CN106625030B - composite flexible manufacturing unit - Google Patents

composite flexible manufacturing unit Download PDF

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Publication number
CN106625030B
CN106625030B CN201710000602.0A CN201710000602A CN106625030B CN 106625030 B CN106625030 B CN 106625030B CN 201710000602 A CN201710000602 A CN 201710000602A CN 106625030 B CN106625030 B CN 106625030B
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horizontal
base
vertical
manufacturing unit
flexible manufacturing
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CN106625030A (en
Inventor
王元庆
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Cnc Machine Tool Co Ltd Hangzhou Days
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Cnc Machine Tool Co Ltd Hangzhou Days
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015Frames, beds, pillars
    • 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • 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
    • B23Q39/00Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q2039/006Machines with multi-spindles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention relates to a numerical control machine tool, in particular to a composite flexible manufacturing unit. The flexible manufacturing unit mainly solves the technical problems that an existing flexible manufacturing unit occupies a large area, is high in investment, and solves the technical problems of repeated clamping, large repeated positioning error, low processing precision, small application range and the like in large and medium-sized key part processing. The flexible machining device comprises a flexible manufacturing unit base, wherein more than 1 gantry machining center, a horizontal machining center, a base of a vertical machining center, a lathe bed, a saddle, a stand column and a spindle box are connected to the flexible manufacturing unit base; the flexible manufacturing unit is provided with a shared base, a shared workbench, a shared flexible clamp, a shared centralized control device and a conveying device arranged outside, the base is connected with a gantry machining center and a horizontal machining center which are combined on a same machine tool, and the vertical machining center is provided with a tool magazine for all or part of the tool magazines.

Description

composite flexible manufacturing unit
Technical Field
the invention relates to a numerical control machine tool, in particular to a composite flexible manufacturing unit.
Background
the Chinese patent discloses a pentahedral gantry machining center (publication number: CN 2644077X), which comprises a lathe bed, an electrical numerical control system, a vertical and horizontal compound tool magazine, a tool changer, a cross beam, a gearbox, a console, an accessory tool magazine with a vertical head cover and a right-angle milling head, a left upright post, a right upright post, a workbench, a cooling and chip removal system, a slide carriage and a ram with a main shaft arranged inside, wherein an end face key, a pull rod, a spring claw, a disc spring, a broach, a hydraulic loose tool and a hydraulic oil cylinder are arranged on the main shaft, the disc spring is connected with the accessory tool, an oil receiving disc is arranged at the end part of the ram, a plurality of hanging head pull rods are arranged at the lower end of the ram along the circumferential direction of the main shaft, each hanging head pull rod is connected with a piston of a hanging head oil cylinder, a quick-connection socket is fixed on the ram, a spring is arranged in the quick-connection socket, a quick-connection plug, The lower end of the taper shank is sleeved with the bevel gear, the pull rod is fixedly connected with the taper shank through a blind rivet, the ram is also provided with a stop block and a proximity switch, and the main shaft sleeve in the ram is provided with the proximity switch and the stop block; the pull nail plate is provided with a positioning pin and a cam pin which are vertical to each other, a raised head on the positioning pin is positioned in a sliding groove on the cam pin, one end of the positioning pin can be inserted into a groove of the mouse tooth plate, a return spring is sleeved on the cam pin, one end of the return spring is supported on a shoulder of the cam pin, and the other end of the return spring is supported on the pull nail plate. However, the pentahedron machining center has poor rigidity and low production efficiency
The FMC flexible manufacturing unit which is popular internationally in the beginning of the nineties is a small flexible manufacturing system, consists of 2-5 machining centers and a supporting plate conveying device, is suitable for efficient, high-quality and high-flexibility machining of medium-sized parts with the size of 400-plus-800, but has the advantages of large occupied area, high investment, incapability of meeting the requirement of flexible machining of large-sized parts and small application range.
Disclosure of Invention
The invention provides a composite flexible manufacturing unit, which mainly solves the technical problems of large occupied area, high investment, repeated clamping, large repeated positioning error, low processing precision, small application range and the like of the conventional flexible manufacturing unit and the processing of large and medium-sized key parts.
the technical problem of the invention is solved by the following technical scheme:
According to the composite flexible manufacturing unit, a plurality of machining centers are compounded on the same machine tool, and more than 1 gantry machining center, horizontal machining center and vertical machining center are connected to the base of the flexible manufacturing unit; the flexible manufacturing unit is provided with a common base, a common workbench, a common flexible clamp and a common centralized control device, and a conveying device is arranged outside the flexible manufacturing unit;
1 gantry machining center, horizontal machining center and vertical machining center base which are more than one, wherein the bases are compositely connected with one side or two sides or two ends of the flexible manufacturing unit base; the flexible manufacturing unit base is a gantry machining center base or a base shared by a plurality of machining centers;
The common working table is a fixed working table, a linear motion working table, a rotary working table, or a rotary working table arranged on the linear motion working table, or a combination thereof;
The common flexible clamp is a numerical control clamp, a hydraulic clamp, a pneumatic clamp, a manual clamp or a combination thereof;
the common centralized control device is a numerical control system, a computer, a programmable controller or a combination thereof;
The external conveying device is a robot, a trackless trolley, a rail trolley, a supporting plate device, a roller path device, a lifting device, a manual conveying device or a combination thereof;
The vertical machining center is provided with a tool magazine for all or part of the gantry machining center and a horizontal machining center which are combined on the same machine tool.
The invention integrates the flexible manufacturing unit and the vertical and horizontal combined machining center technology, classifies large parts according to the technical requirements of the components, adopts the modularization technology and the flexible combination technology, combines a plurality of machining centers and flexible fixtures on the same machine tool, replaces the internal conveying device of the flexible manufacturing unit which is popular internationally by the linear motion and the rotary motion of the worktable, and has more compact structure, smaller occupied area and less investment. The invention can complete 2-5 surfaces by once clamping of a workpiece, and complete processes of milling, boring, drilling and tapping, eliminates positioning errors and auxiliary working hours of multiple clamping and turning over, and improves the processing precision and production efficiency; the method breaks through the range of the existing numerical control machine tool mainly suitable for small-batch production of medium-sized parts, and realizes small-batch and single-piece flexible production of large-sized and complex parts. The centralized control system can manage the processing states of a plurality of processing centers and the service lives of cutters, detect on line and diagnose remote faults and has an information intelligent function; the numerical control system can control the vertical and horizontal multi-spindle to process simultaneously and can also control the vertical and horizontal multi-spindle to process independently; the flexible clamp can quickly realize part change, and the effects of multiple varieties, high efficiency, high precision and high flexibility are achieved.
according to the invention, the horizontal machining center base is connected to the gantry machining center base, so that the horizontal spindle is not limited by the height and the width of the gantry upright column. The invention has the difficulty that the mutual position of the horizontal shaft and the vertical shaft is determined by the structure, the size, the processing procedure and the process sequence of large parts, thereby being beneficial to saving the occupied area of a machine tool and reducing the cost. The invention also needs to solve the determination of the space verticality and parallelism precision between the horizontal shaft and the vertical shaft, and achieves the effects of compact structure, small occupied area and investment saving.
preferably, the composite flexible manufacturing unit is provided with an online detection device, and the online detection device is a workpiece mounting position detection device, a workpiece machining precision detection device, a tool wear detection device, a machine tool abnormity detection and alarm device or a combination thereof.
in order to meet the requirements of machining various parts, the flexible clamp adopts a mode of combining numerical control hydropneumatic and manual operation to realize the rapid movement or change of the part positioning device and the clamping device, and in order to enable the machining to be continuously carried out, workpiece mounting position detection, workpiece machining precision detection, cutter abrasion detection, machine tool abnormity detection and alarm are necessary to be arranged, so that the efficiency of workpiece mounting and dismounting is improved.
A robot or a rail-bound trolley or a trackless trolley or a roller path or a lifting device or a manual conveying device is arranged outside the flexible manufacturing unit, so that a digital workshop and an unmanned workshop can be realized.
Preferably, the base of the flexible manufacturing unit is a base of a gantry machining center, the base is provided with an X-direction guide rail, an X-direction screw rod is movably connected with a shared workbench, and one section of the base is provided with an X-direction travel switch. The workbench can move within a set range through the X-direction travel switch.
Preferably, the upper end of the upright post of the gantry machining center is fixed with a cross beam, the cross beam is provided with a screw rod driving device, at least one sliding saddle is movably connected through a cross beam line rail, the sliding saddle is provided with a ram, the ram is provided with a gantry main shaft box and a vertical main shaft, and the ram is provided with the screw rod driving device.
Preferably, the screw rod driving device of the gantry main spindle box of the gantry machining center comprises a Y-direction screw rod, the Y-direction screw rod is connected with a Y-direction screw rod driving motor, the Y-direction screw rod driving motor is fixed at one end of the cross beam through a Y-direction screw rod driving motor base, and a Y-direction travel switch is arranged on one side of a linear rail of the cross beam. The vertical spindle box can automatically run through the Y-direction travel switch.
preferably, a slide saddle of the gantry machining center is connected with a gantry spindle box through a slide pillow, a balance bar is arranged on the slide saddle, the upper end of the balance bar is connected with a balance oil cylinder support through a universal joint, the balance oil cylinder support is connected to the slide pillow, a pressing plate is arranged on the slide saddle, and a gantry tool magazine is arranged on one side of the slide saddle. The vertical tool magazine can be used for conveniently changing tools. The universal joint is used for connecting the balance bar and the balance oil cylinder support, and faults caused by coaxiality are reduced.
Preferably, one side or two sides or two ends of the base of the flexible manufacturing unit are connected with the horizontal base, a horizontal lathe bed is located on the horizontal base, the horizontal lathe bed is connected with a horizontal saddle through a screw rod driving device, a horizontal upright post is fixed on the horizontal saddle and connected with a horizontal main shaft box and a horizontal main shaft through the screw rod driving device, and a horizontal tool magazine is fixed on one side of the horizontal base.
preferably, the screw rod driving device on the horizontal lathe bed of the horizontal machining center comprises a Z-direction screw rod connected with a horizontal upright post, a Z-direction linear rail is arranged on the horizontal lathe bed, the horizontal upright post is connected on the Z-direction linear rail in a sliding mode, an adjusting block is arranged on one side of the horizontal lathe bed, and a bearing seat adjusting cushion block are arranged at the end part of the Z-direction screw rod. The position of the bearing seat can be adjusted through the adjusting block.
Preferably, the screw rod driving device on the horizontal upright column of the horizontal machining center comprises a screw rod arranged on the horizontal upright column, the upper end of the screw rod is connected with a motor, the screw rod is connected to a horizontal main shaft box in a penetrating manner, a horizontal main shaft is arranged on the horizontal main shaft box, a Y-direction linear rail is arranged on the horizontal upright column, the horizontal main shaft box is connected to the Y-direction linear rail in a sliding manner, a horizontal shaft balance bar is arranged on the horizontal upright column, the horizontal balance bar is connected with a horizontal balance bar mounting seat, the horizontal balance bar mounting seat is fixed on the horizontal main shaft box, and an upper grating. The position of the horizontal main spindle box can be determined through the upper grating ruler and the lower grating ruler, so that the machining precision can be improved.
Preferably, a horizontal base is fixed on one side of the base of the flexible manufacturing unit, an upright saddle is movably connected to an upright on the other side of the base of the flexible manufacturing unit through an upright guide rail, a horizontal spindle box is arranged on the upright saddle, a screw rod driving device is arranged on the horizontal spindle box, the screw rod driving device of the horizontal spindle box comprises a composite upright screw rod, the composite upright screw rod is connected with an upright screw rod driving motor, the upright screw rod driving motor is fixed at one end of the composite upright through an upright screw rod driving motor base, an upright screw rod nut base is arranged at the other end of the composite upright, and the end part of the composite upright screw rod is connected in the upright. The horizontal shaft on one side is independently arranged, the stand column on the other side is a composite stand column, and the horizontal shaft is laterally hung on the stand column, so that the processing range is wide, and the production cost is saved.
Preferably, the flexible manufacturing unit base is connected with more than 1 vertical base on one side or two sides or two ends, the vertical base is provided with a vertical sliding table, the vertical sliding table is provided with a vertical upright post, a vertical spindle box and a vertical spindle, and the flexible manufacturing unit base is provided with a sliding table and a flexible clamp.
Preferably, the vertical spindle of the vertical spindle box is perpendicular to the base of the flexible manufacturing unit, or the base of the flexible manufacturing unit is provided with an inclined vertical base, the inclined vertical base is sequentially connected with an inclined vertical sliding table, an inclined vertical spindle box and an inclined vertical spindle, and the inclined vertical spindle is inclined to the workbench.
preferably, the flexible manufacturing unit base is connected with more than 1 horizontal base on one side or two sides or two ends, a vertical sliding table of a horizontal machining center is arranged on the horizontal base, and a horizontal upright post, a horizontal spindle box and a horizontal spindle are arranged on the vertical sliding table; or more than 1 vertical machining center and horizontal machining center are connected on the base of the flexible manufacturing unit.
preferably, the flexible manufacturing unit base is connected with a horizontal base, a horizontal sliding table, a horizontal upright post and a horizontal spindle box on one side or two sides or two ends; is connected with a vertical base, a vertical sliding table, a vertical upright post and a vertical main spindle box.
Preferably, the left end and the right end of the flexible manufacturing unit base are sequentially connected with a horizontal cross sliding table, a horizontal upright post and a horizontal spindle box; a vertical cross sliding table, a vertical upright post and a vertical spindle box are sequentially connected right behind the base; the middle of the base is provided with a shared fixed workbench and a shared flexible clamp.
Preferably, more than 1 horizontal cross sliding table, horizontal upright post and horizontal main spindle box are connected to one side or two sides or two ends of the flexible manufacturing unit base; more than 1 vertical cross sliding table, vertical main shaft and vertical main shaft box can be connected; a fixed workbench or a following clamp is arranged in the middle of the base.
Therefore, the invention realizes the one-time clamping of parts by compounding 2-5 vertical, horizontal and gantry machining centers, a plurality of tool changers, flexible fixtures and control systems on the same machine tool and applying a comprehensive management numerical control system and an external conveying device, continuously completes the vertical and horizontal multi-face milling, boring, drilling and tapping processes, eliminates the equipment investment and auxiliary time for replacing a spindle box, eliminates the equipment investment and auxiliary time for conveying parts among the processes, eliminates the positioning error of multiple clamping of the parts, and has higher efficiency and better precision; and large parts can be arranged on a fixed workbench or a rotary workbench, and the vertical and horizontal main shafts X, Y, Z move in three directions to continuously complete 2-5 face milling, boring, drilling and tapping processes, so that the problems of multiple times of conveying, turning over, positioning and clamping among the processes of large key parts are solved, the constraint that the conventional flexible manufacturing unit is suitable for flexible processing of parts with the thickness of 400-800mm is broken, the structure is more compact, the occupied area is smaller, and the investment is less.
drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is another schematic structural view of embodiment 1 of the present invention;
FIG. 3 is a schematic bottom structure diagram of embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of embodiment 3 of the present invention;
FIG. 6 is a schematic diagram showing the structure of embodiment 4 of the present invention.
parts, positions and numbers in the drawings: the device comprises a base 1, an upright 2, a crossbeam 3, a crossbeam linear rail 4, a ram saddle 5, a gantry spindle box 6, a horizontal base 7, a horizontal lathe bed 8, a horizontal upright 9, a horizontal spindle box 10, a horizontal tool magazine 11, a workbench 12, a Y-direction lead screw 13, a Y-direction travel switch 14, a ram 15, a balance bar 16, a universal joint 17, a balance oil cylinder support 18, a pressing plate 19, a vertical tool magazine 20, a Z-direction lead screw 21, a Z-direction linear rail 22, an adjusting block 23, a bearing seat 24, a bearing seat adjusting cushion block 25, a lead screw 26, a horizontal spindle 27, a Y-direction linear rail 28, a horizontal balance bar 29, a horizontal balance bar mounting seat 30, an upper grating ruler and a lower grating ruler 31, an X-direction lead screw 32, an X-direction linear rail 33, a linear rail pressing plate 34, an X-direction travel switch 35, an upright guide rail 36, an upright column saddle 37, a horizontal upright spindle box 38, a composite upright lead screw 39, The tool magazine comprises a tool magazine support 43, a length adjusting block 44, a vertical spindle 47, an online detection device 48, an external conveying device 49, a control system 50, a flexible clamp 51, a vertical base 52, a vertical sliding table 53, a vertical column 54, a vertical spindle box 55, a motor 56, a linear motion sliding table 57, a horizontal cross sliding table 58, a fixed workbench 59, an inclined cross sliding table 60 and an inclined vertical spindle box 61.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: a composite flexible manufacturing unit is formed by compounding 2 horizontal machining centers on two sides of a base of a gantry machining center, wherein a numerical control rotary worktable is installed on the gantry machining center, a shared flexible fixture and a shared centralized control system are configured, a conveying device is arranged outside the gantry machining center, the numerical control rotary worktable is provided with a vertical column 2 as shown in figures 1 and 2, an online detection device 48 and a control system 50 are arranged on the vertical column, a cross beam 3 is fixed at the upper end of the vertical column 2, a lead screw driving device is arranged on the cross beam, a sliding saddle 5 is movably connected through a cross beam linear rail 4, a ram is arranged on the sliding saddle, a gantry spindle box 6 and a vertical spindle 47 are arranged on the ram, and the lead screw driving device is arranged on the ram; a horizontal shaft base 7 is fixed on each of two sides of the base 1, a horizontal shaft bed 8 is arranged on each horizontal shaft base, a horizontal shaft saddle is connected to each horizontal shaft bed through a screw rod driving device, a horizontal shaft upright post 9 is fixed to each horizontal shaft saddle, each horizontal shaft upright post is connected with a horizontal shaft main shaft box 10 and a horizontal main shaft 27 through a screw rod driving device, and a horizontal shaft tool magazine 11 is fixed on one side of each horizontal shaft base; the base 1 is also provided with a workbench 12 which is driven by a screw rod, a numerical control rotary table and a flexible clamp 51 are fixed on the workbench 12, and the workbench is connected with an electrical numerical control device. An external conveying device 49 is arranged in front of the workbench, and the external conveying device is a roller path device. The screw rod driving device of the gantry main shaft box comprises a Y-direction screw rod 13, the Y-direction screw rod is connected with a Y-direction screw rod driving motor, the Y-direction screw rod driving motor is fixed at one end of the cross beam through a Y-direction screw rod driving motor base, and a Y-direction travel switch 14 is arranged on one side of a cross beam linear rail 4. The square ram saddle is connected with a gantry spindle box 6 through a square ram 15, a balance bar 16 is arranged on the square ram saddle 5, the upper end of the balance bar is connected with a balance oil cylinder support 18 through a universal joint 17, the balance oil cylinder support is connected onto the square ram, a pressure plate 19 is arranged on the square ram saddle, and a vertical tool magazine 20 is arranged on one side of the square ram saddle. The screw rod driving device on the horizontal shaft lathe bed 8 comprises a Z-direction screw rod 21 connected with a horizontal shaft upright post 9, a Z-direction linear rail 22 is arranged on the horizontal shaft lathe bed 8, the horizontal shaft upright post 9 is connected on the Z-direction linear rail in a sliding mode, an adjusting block 23 is arranged on one side of the horizontal shaft lathe bed 8, and a bearing seat 24 and a bearing seat adjusting cushion block 25 are arranged at the end portion of the Z-direction screw rod. Lead screw drive arrangement on the horizontal shaft stand is including establishing lead screw 26 on horizontal shaft stand 9, motor 56 is connected to the lead screw upper end, the lead screw cross-under is on horizontal shaft headstock 10, be equipped with horizontal shaft main shaft 27 on the horizontal shaft headstock, be equipped with Y on the horizontal shaft stand to the linear rail 28, horizontal shaft headstock sliding connection is on Y is to the linear rail, be equipped with horizontal shaft balancing bar 29 on the horizontal shaft stand, horizontal shaft balancing bar is connected with horizontal shaft balancing bar mount pad 30, horizontal shaft balancing bar mount pad is fixed on horizontal shaft headstock, grating chi 31 about one side of horizontal shaft stand 9 still is equipped with. The X-direction lead screw 32 is arranged on the base, the X-direction lead screw is connected to the longitudinal workbench in a penetrating mode, the X-direction linear rail 33 is arranged on the base, the longitudinal workbench is connected to the X-direction linear rail in a sliding mode, the X-direction linear rail is provided with a linear rail pressing plate 34, and an X-direction travel switch 35 is arranged at one end of the base. The nitrogen cylinder 42 is fixed on the horizontal shaft upright post through a nitrogen cylinder mounting bracket 41. The horizontal-axis tool magazine is fixed on the base 1 through a tool magazine bracket 43, and the bottom of the tool magazine bracket is provided with a long adjusting block 44; the bottom of the base is provided with a machine tool cushion block 45 and a machine tool cushion block adjusting bolt 46.
According to the embodiment, three-surface vertical-horizontal composite flexible machining is completed by one-time clamping of the large gearbox, and five-surface vertical-horizontal composite flexible machining is completed by one-time clamping of the large water pump.
Example 2: a composite flexible manufacturing unit is composed of 1 horizontal machining center, 1 horizontal machining device installed on a gantry upright post and compounded on two sides of a base of the gantry machining center, a manual rotary workbench and a flexible clamp are installed on the gantry workbench, and a shared centralized control device and an external conveying device are configured, as shown in figure 4, the composite flexible manufacturing unit comprises a base 1, the base 1 is provided with an upright post 2, an online detection device 48 and a control system 50 are arranged on the upright post, a cross beam 3 is fixed at the upper end of the upright post 2, a lead screw driving device is arranged on the cross beam, a sliding saddle 5 is movably connected through a cross beam linear rail 4, a ram is arranged on the sliding saddle, a gantry main shaft box 6 and a vertical main shaft 47 are arranged on the ram, and the lead screw driving; a horizontal shaft base 7 is fixed on one side of the base 1, a horizontal shaft bed 8 is arranged on the horizontal shaft base, a horizontal shaft saddle is connected to the horizontal shaft bed through a screw rod driving device, a horizontal shaft upright post 9 is fixed to the horizontal shaft saddle, the horizontal shaft upright post is connected with a horizontal shaft main shaft box 10 and a horizontal main shaft 27 through the screw rod driving device, and a horizontal shaft tool magazine 11 is fixed on one side of the horizontal shaft base; the base 1 is also provided with a workbench 12, the workbench is driven by a screw rod, and a flexible clamp 51 is fixed on the workbench 12; the workbench is connected with an electric numerical control device. An external conveying device 49 is arranged in front of the workbench, and the external conveying device is a roller path device. The screw rod driving device of the gantry main shaft box comprises a Y-direction screw rod 13, the Y-direction screw rod is connected with a Y-direction screw rod driving motor, the Y-direction screw rod driving motor is fixed at one end of the cross beam through a Y-direction screw rod driving motor base, and a Y-direction travel switch 14 is arranged on one side of a cross beam linear rail 4. The square ram saddle is connected with a gantry spindle box 6 through a square ram 15, a balance bar 16 is arranged on the square ram saddle 5, the upper end of the balance bar is connected with a balance oil cylinder support 18 through a universal joint 17, the balance oil cylinder support is connected onto the square ram, a pressure plate 19 is arranged on the square ram saddle, and a vertical tool magazine 20 is arranged on one side of the square ram saddle. The screw rod driving device on the horizontal shaft lathe bed 8 comprises a Z-direction screw rod 21 connected with a horizontal shaft upright post 9, a Z-direction linear rail 22 is arranged on the horizontal shaft lathe bed 8, the horizontal shaft upright post 9 is connected on the Z-direction linear rail in a sliding mode, an adjusting block 23 is arranged on one side of the horizontal shaft lathe bed 8, and a bearing seat 24 and a bearing seat adjusting cushion block 25 are arranged at the end portion of the Z-direction screw rod. Lead screw drive arrangement on the horizontal shaft stand is including establishing lead screw 26 on horizontal shaft stand 9, motor 56 is connected to the lead screw upper end, the lead screw cross-under is on horizontal shaft headstock 10, be equipped with horizontal shaft main shaft 27 on the horizontal shaft headstock, be equipped with Y on the horizontal shaft stand to the linear rail 28, horizontal shaft headstock sliding connection is on Y is to the linear rail, be equipped with horizontal shaft balancing bar 29 on the horizontal shaft stand, horizontal shaft balancing bar is connected with horizontal shaft balancing bar mount pad 30, horizontal shaft balancing bar mount pad is fixed on horizontal shaft headstock, grating chi 31 about one side of horizontal shaft stand 9 still is equipped with. The base is provided with an X-direction screw rod 32, the X-direction screw rod is connected to the longitudinal workbench 12 in a penetrating mode, the base is provided with an X-direction line rail 33, the longitudinal workbench is connected to the X-direction line rail in a sliding mode, a line rail pressing plate 34 is arranged on the X-direction line rail, and an X-direction travel switch 35 is arranged at one end of the base. The nitrogen cylinder 42 is fixed on the horizontal shaft upright post through a nitrogen cylinder mounting bracket 41. The horizontal-axis tool magazine is fixed on the base 1 through a tool magazine bracket 43, and the bottom of the tool magazine bracket is provided with a long adjusting block 44; the bottom of the base is provided with a machine tool cushion block 45 and a machine tool cushion block adjusting bolt 46. The upright post 2 on the other side of the base is movably connected with an upright post sliding saddle 37 through an upright post guide rail 36, the upright post sliding saddle is provided with a horizontal type main shaft box 38, the horizontal type main shaft box is provided with a screw rod driving device, the screw rod driving device of the horizontal type main shaft box comprises a composite upright post screw rod 39, the composite upright post screw rod is connected with an upright post screw rod driving motor, the upright post screw rod driving motor is fixed at one end of the composite upright post through an upright post screw rod driving motor seat, the other end of the composite upright post is provided with an upright post screw rod nut seat 40.
Side application of the scheme realizes that three-surface vertical and horizontal composite flexible machining is finished by one-time clamping of lathe body parts
Example 3: a composite flexible manufacturing unit is composed of 2 vertical machining centers or 2 obliquely installed vertical machining centers, or 1 vertical machining center and 1 obliquely installed vertical machining center, or two horizontal machining centers, and is compositely installed on two sides of a base of the flexible manufacturing unit or two sides of a base of a gantry machining center, wherein a sliding table is arranged on the base, a flexible clamp is installed on a sliding table working table, a shared centralized control device is configured, and a conveying device is arranged outside the sliding table working table. The flexible manufacturing unit base 1 is provided with a linear motion sliding table 57 and a flexible clamp 51, one side of the flexible manufacturing unit base is connected with a vertical base 52 of a vertical machining center, the vertical base is provided with a vertical sliding table 53, a vertical upright column 54, a vertical main shaft box and a vertical main shaft 47, the other side of the base is connected with an inclined vertical base, the inclined top surface of the base is provided with the vertical sliding table 53, the vertical upright column 54, the vertical main shaft box 55 and the vertical main shaft. The embodiment realizes that the whole processes of milling, boring, drilling and tapping the top surface and the inclined plane of the box part are finished by one-time clamping, breaks through the difficult problem of inclined plane processing, and improves the processing efficiency and precision.
Example 4: a composite flexible manufacturing unit is composed of 2 horizontal machining centers and 1 vertical machining center, wherein the two ends and the right rear side of a base of the flexible manufacturing unit are compositely installed, a shared fixed workbench and a shared flexible clamp are installed on the base, a shared centralized control device is arranged on the base, a conveying device is arranged outside the base, as shown in figure 6, the composite flexible manufacturing unit comprises a base 1, a horizontal lathe bed 8, a horizontal upright column 9 and a horizontal main spindle box 10 are installed at the two ends of the base, a vertical upright column 54 of the vertical machining center is installed right behind the base, a vertical main spindle box 55, and a fixed workbench 59 and a flexible clamp 51 are installed in the middle of the upper surface.
In the embodiment, the parts are clamped on the fixed workbench, the horizontal machining centers at two ends and the middle vertical machining center move in the XYZ three directions, all the procedures of surface milling, boring, drilling and tapping of the car parts are completed through one-time clamping, and efficient, high-precision and high-flexibility machining of parts difficult to clamp is achieved.
the above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

Claims (5)

1. a composite flexible manufacturing unit comprises a flexible manufacturing unit base (1), and is characterized in that more than 1 gantry machining center, horizontal machining center, base of vertical machining center, lathe bed, saddle, upright post and main spindle box are connected on the flexible manufacturing unit base (1); the flexible manufacturing unit is provided with a shared base formed by a plurality of machining centers, a shared workbench (51), a shared flexible clamp, a shared centralized control device (50), and a conveying device (49) arranged outside;
bases of more than 1 gantry machining center, horizontal machining center and vertical machining center are compositely connected to one side or two sides or two ends of the flexible manufacturing unit base (1); the flexible manufacturing unit base (1) is a gantry machining center base or a base shared by a plurality of machining centers;
The common working table is a fixed working table, a linear motion working table or a rotary working table, or a rotary working table arranged on the linear motion working table, or a combination thereof;
the common flexible clamp is a numerical control clamp, a hydraulic clamp, a pneumatic clamp, a manual clamp or a combination thereof;
the common centralized control device is a numerical control system, a computer, a programmable controller or a combination thereof;
The external conveying device is a robot, a trackless trolley, a rail trolley, a supporting plate device, a roller path device, a lifting device, a manual conveying device or a combination thereof;
the base is connected with a gantry machining center and a horizontal machining center which are compounded on the same machine tool, and the vertical machining center is provided with a tool magazine for the whole or part;
The composite flexible manufacturing unit is provided with an online detection device (48), and the online detection device is a workpiece mounting position detection device, a workpiece machining precision detection device, a cutter abrasion detection device, a machine tool abnormity detection and alarm device or a combination thereof;
One side or two sides or two ends of a flexible manufacturing unit base (1) are connected with a horizontal base (7), a horizontal lathe bed (8) is located on the horizontal base, a horizontal saddle is connected to the horizontal lathe bed through a screw rod driving device, a horizontal upright column (9) is fixed to the horizontal saddle, the horizontal upright column is connected with a horizontal main shaft box (10) and a horizontal main shaft (27) through the screw rod driving device, and a horizontal tool magazine (11) is fixed to one side of the horizontal base; the screw rod driving device on the horizontal lathe bed (8) of the horizontal machining center comprises a Z-direction screw rod (21) connected with a horizontal upright post (9), a Z-direction linear rail (22) is arranged on the horizontal lathe bed, the horizontal upright post (9) is connected on the Z-direction linear rail in a sliding mode, an adjusting block (23) is arranged on one side of the horizontal lathe bed, and a bearing seat (24) and a bearing seat adjusting cushion block (25) are arranged at the end part of the Z-direction screw rod; the screw rod driving device on a horizontal upright post (9) of a horizontal machining center comprises a screw rod (26) arranged on the horizontal upright post (9), the upper end of the screw rod is connected with a motor (56), the screw rod is connected on a horizontal main shaft box (10) in a penetrating manner, a horizontal main shaft (27) is arranged on the horizontal main shaft box, a Y-direction linear rail (28) is arranged on the horizontal upright post, the horizontal main shaft box is connected on the Y-direction linear rail in a sliding manner, a horizontal shaft balancing bar (29) is arranged on the horizontal upright post, the horizontal balancing bar is connected with a horizontal balancing bar mounting seat (30), the horizontal balancing bar mounting seat is fixed on the horizontal main shaft box, and an;
Or, one side of the flexible manufacturing unit base (1) is fixed with a horizontal base (7), an upright column slide saddle (37) is movably connected to an upright column (2) at the other side of the flexible manufacturing unit base through an upright column guide rail (36), a horizontal main shaft box (38) is arranged on the upright column slide saddle, the horizontal main shaft box is provided with a screw rod driving device, the screw rod driving device of the horizontal main shaft box comprises a composite upright column screw rod (39), the composite upright column screw rod is connected with an upright column screw rod driving motor, the upright column screw rod driving motor is fixed at one end of a composite upright column through an upright column screw rod driving motor base, the other end of the composite upright column is provided with an upright column screw rod nut base (40), and;
Or one side or two sides or two ends of the flexible manufacturing unit base (1) are connected with more than 1 vertical base (52), a vertical sliding table (53) is arranged on the vertical base, and a vertical upright post (54), a vertical main shaft box (55) and a vertical main shaft (47) are arranged on the sliding table; a sliding table and a flexible clamp are arranged on the flexible manufacturing unit base; a vertical main shaft of the vertical main shaft box (55) is vertical to the flexible manufacturing unit base (1), or an inclined vertical base is arranged on the flexible manufacturing unit base (1), an inclined cross sliding table (60), an inclined vertical main shaft box (61) and an inclined vertical main shaft are sequentially connected to the inclined vertical base, and the inclined vertical main shaft is inclined to the workbench;
or one side or two sides or two ends of the flexible manufacturing unit base (1) are connected with more than 1 horizontal base (7), a horizontal sliding table is arranged on the horizontal base, and a horizontal upright post (9), a horizontal spindle box (10) and a horizontal spindle are arranged on the horizontal sliding table; a sliding table flexible clamp is arranged on the flexible manufacturing unit base;
or, the flexible manufacturing unit base (1) is connected with a horizontal base (7), a horizontal sliding table, a horizontal upright post (9) and a horizontal spindle box (10) on one side or two sides or two ends; is connected with a vertical base (52), a vertical sliding table (53), a vertical column (54) and a vertical spindle box (55);
Or the left end and the right end of the flexible manufacturing unit base (1) are sequentially connected with a horizontal cross sliding table (58), a horizontal upright post (9) and a horizontal main spindle box (10); a vertical cross sliding table, a vertical upright post (54) and a vertical spindle box (55) are sequentially connected right behind the base (1); a shared fixed workbench (59) and a flexible clamp are arranged in the middle of the base (1);
Or more than 1 horizontal cross sliding table (58), horizontal upright posts (9) and horizontal main shaft boxes (10) are connected to one side or two sides or two ends of the flexible manufacturing unit base (1); more than 1 vertical cross sliding table, a vertical main shaft (47) and a vertical main shaft box (55) can be connected; the middle of the base (1) is provided with a fixed workbench or a following clamp.
2. The composite flexible manufacturing unit according to claim 1, characterized in that the flexible manufacturing unit base (1) can be a base of a gantry machining center, the base is provided with an X-direction guide rail (33), the X-direction lead screw is movably connected with a common worktable (12), and one section of the base is provided with an X-direction travel switch (35).
3. The composite flexible manufacturing unit according to claim 1, characterized in that the upper end of the column (2) of the gantry machining center is fixed with a beam (3) which is provided with a screw rod driving device, at least one saddle (5) is movably connected through a beam linear rail (4), the saddle is provided with a ram, the ram is provided with a gantry main shaft box (6) and a vertical main shaft (47), and the ram is provided with the screw rod driving device.
4. The composite flexible manufacturing unit according to claim 1, wherein the screw driving device of the gantry main spindle box (6) of the gantry machining center comprises a Y-direction screw (13), the Y-direction screw is connected with a Y-direction screw driving motor, the Y-direction screw driving motor is fixed at one end of the beam through a Y-direction screw driving motor base, and a Y-direction travel switch (14) is arranged on one side of the beam linear rail (4).
5. the composite flexible manufacturing unit according to claim 1, wherein a saddle (5) of the gantry machining center is connected with a gantry spindle box (6) through a ram (15), a balance bar (16) is arranged on the saddle (5), the upper end of the balance bar is connected with a balance oil cylinder support (18) through a universal joint (17), the balance oil cylinder support is connected with the ram, a pressing plate (19) is arranged on the saddle, and a gantry tool magazine (20) is arranged on one side of the saddle.
CN201710000602.0A 2017-01-03 2017-01-03 composite flexible manufacturing unit Active CN106625030B (en)

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