CN105643407B - A kind of coarse-fine mill Combined machining lathe - Google Patents

A kind of coarse-fine mill Combined machining lathe Download PDF

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Publication number
CN105643407B
CN105643407B CN201511007298.XA CN201511007298A CN105643407B CN 105643407 B CN105643407 B CN 105643407B CN 201511007298 A CN201511007298 A CN 201511007298A CN 105643407 B CN105643407 B CN 105643407B
Authority
CN
China
Prior art keywords
main shaft
spindle box
slide
main spindle
timber
Prior art date
Application number
CN201511007298.XA
Other languages
Chinese (zh)
Other versions
CN105643407A (en
Inventor
陈志伟
肖双民
吴杰锋
李�杰
王凯
张卫卫
胡泽睿
赵琼珂
陈文聪
Original Assignee
宁波金凯机床股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 宁波金凯机床股份有限公司 filed Critical 宁波金凯机床股份有限公司
Priority to CN201511007298.XA priority Critical patent/CN105643407B/en
Publication of CN105643407A publication Critical patent/CN105643407A/en
Application granted granted Critical
Publication of CN105643407B publication Critical patent/CN105643407B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices

Abstract

The present invention provides a kind of coarse-fine mill Combined machining lathe, and it mainly includes the parts such as pedestal (1), base rail (2), lathe bed (3), column (10), back timber (7), the second servomotor (8), spindle motor (6), replaceable main spindle box (5), tool heads (4), support (11), hoist cylinder (12), foot pad (9).Using the lathe of the present invention, the processing efficiency and crudy of workpiece surface grinding can be greatly improved.

Description

A kind of coarse-fine mill Combined machining lathe
Technical field
The present invention relates to a kind of plant equipment, more particularly to a kind of coarse-fine mill Combined machining lathe.
Background technology
In order that the surface for obtaining flat work pieces meets the requirement of finish, prior art has to be combined using corase grind and fine grinding Processing technology, and the realization of this technique generally requires the replacement operation for carrying out bistrique, machining accuracy and less efficient.In addition Numerical control machining center belongs to precise machining equipment, not only expensive, and complicated, and maintenance cost is high, and general is small-sized Enterprise is difficult to bear this investment too big equipment.
The content of the invention
The purpose of the present invention is for a kind of above-mentioned not enough grinding simple in construction, with low cost, high in machining efficiency of offer Equipment.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:
A kind of coarse-fine mill Combined machining lathe, it includes pedestal 1, base rail 2, lathe bed 3, column 10, back timber 7, second Servomotor 8, spindle motor 6, replaceable main spindle box 5, tool heads 4, support 11, hoist cylinder 12, foot pad 9;Along the bottom of pedestal 1 Portion equably sets multiple foots pad 9, and base rail 2 and lathe bed 3 are fixedly installed on pedestal 1;Base rail 2 is two parallel conductives Rail, same one end of two parallel base guide rails is respectively provided with a servo longitudinal motor, is respectively provided with the top of two parallel base guide rails One screw mandrel, one end of screw mandrel is connected with the rotary shaft of servo longitudinal motor, and the bottom of two columns 10 respectively passes through sliding block and screw mandrel Nut is fixedly connected, and a graduated scale is respectively set along longitudinal direction on the outside of two base rails 2;It is each on the side of two columns 10 Provided with column guide rail, back timber 7 is arranged on column guide rail by sliding block, and a support 11 is respectively provided with the outside of two columns, branch The bottom of frame 11 is fixed with reinforcement, each support 11 and a hoist cylinder 12, the piston of hoist cylinder 12 is fixedly installed respectively Bar is connected with back timber 7, and back timber 7 can be driven to move up and down;Being horizontally disposed with back timber 7 has convex guide rail and ball screw, ball wire Bar is provided with slide in the first servomotor driving installed in right-hand member, convex guide rail, and the slide back side is installed with nut seat, Nut seat is enclosed on the ball screw nut of back timber 7 and is fixedly connected, when the first servomotor drive screw is rotated, feed screw nut Drive slide left and right horizontal movement on back timber 7;The recessed guide rail and ball screw of vertical direction, the second servo are housed on slide Motor 8 is arranged on slide upper end, main spindle box slide unit is provided with the recessed guide rail of slide, the main spindle box slide unit back side is installed with Nut seat, nut seat is enclosed on the ball screw nut on slide and is fixedly connected, when the drive screw of the second servomotor 8 is rotated, Feed screw nut drives the upper and lower vertical movement of main spindle box slide unit;Spindle motor 6, replaceable main spindle box 5 are provided with main spindle box slide unit With tool heads 4, the replaceable inside of main spindle box 5 is vertically disposed power transmission shaft, the first main shaft and the second main shaft, replaceable master Axle box 5 is provided with the peace being correspondingly arranged on upper and lower end plate, upper and lower end plate for installing power transmission shaft, the first main shaft and the second main shaft Fill hole, wherein the mounting hole for the first main shaft and the second main shaft be correspondingly arranged on upper and lower end plate it is multipair, to adjust the Spacing between one main shaft and the second main shaft, the upper end of power transmission shaft is connected by shaft coupling with the output shaft of spindle motor 6, transmission Axle is provided with a central gear, the first main shaft and the second main shaft and is respectively equipped with a biography being meshed with above-mentioned central gear Moving gear;The tool heads 4 include a roughing heads and a fine grinding head, and it passes through cutter clamping device and the first main shaft respectively With the connection of the second main shaft;Lathe bed 3 is arranged between two base rails 2, is provided with the side of lathe bed for accommodating multiple differences The cabinet of the replaceable main spindle box 5 of Dimension Types, the top of lathe bed 3, which is provided with two longitudinal slide rails, slide rail, is provided with longitudinal direction Mobile work platform.
Moreover, it relates to the application being ground using above-mentioned lathe to flat workpiece surface.
The present invention substantially increases the processing efficiency and crudy of workpiece surface using after above-mentioned lathe.
Brief description of the drawings
Fig. 1 is the structural representation of the coarse-fine mill Combined machining lathe of the present invention.
Fig. 2 is the clamping workpiece schematic device of the lathe of the present invention.
Wherein have:1st, pedestal;2nd, base rail;3rd, lathe bed;4th, tool heads;5th, replaceable main spindle box;6th, spindle motor;7、 Back timber;8th, the second servomotor;9th, foot pad;10th, column;11st, support;12nd, hoist cylinder;13rd, bottom plate;14th, square framework; 15th, vertical rod;16th, clamp nut;17th, clamp;18th, loading plate;19th, workpiece.
Embodiment
The present invention is further detailed explanation with specific better embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of coarse-fine mill Combined machining lathe, it include pedestal 1, base rail 2, lathe bed 3, column 10, Back timber 7, the second servomotor 8, spindle motor 6, replaceable main spindle box 5, tool heads 4, support 11, hoist cylinder 12, foot pad 9. Along pedestal 1 bottom even multiple foots pad 9 are set, base rail 2 and lathe bed 3 are fixedly installed on pedestal 1.Base rail 2 For two closed slides, same one end of two parallel base guide rails is respectively provided with a servo longitudinal motor and (not shown in figure, longitudinally schemed Perpendicular to paper direction in 1), a screw mandrel, one end and the servo longitudinal electricity of screw mandrel are respectively provided with the top of two parallel base guide rails The rotary shaft of machine is connected, and the bottom of two columns 10 is respectively fixedly connected by sliding block with feed screw nut, in the outer of two base rails 2 One graduated scale is respectively set along longitudinal direction on side.Column guide rail is respectively provided with the side of two columns 10, back timber 7 is set by sliding block On column guide rail, a support 11 is respectively provided with the outside of two columns, the bottom of support 11 is fixed with reinforcement, each support 11 Upper that a hoist cylinder 12 is fixedly installed respectively, the piston rod of hoist cylinder 12 is connected with back timber 7, can drive back timber about 7 It is mobile.Being horizontally disposed with back timber 7 has convex guide rail and ball screw, and ball screw is by the first servomotor drive installed in right-hand member It is dynamic, slide is installed, the slide back side is installed with nut seat, and nut seat is enclosed on the ball screw nut of back timber 7 on convex guide rail On be fixedly connected, when the first servomotor drive screw is rotated, feed screw nut drives slide left and right level fortune on back timber 7 It is dynamic.The recessed guide rail and ball screw of vertical direction are housed, the second servomotor 8 is arranged on slide upper end, in slide on slide Main spindle box slide unit is installed, the main spindle box slide unit back side is installed with nut seat, and nut seat is enclosed on the rolling on slide on recessed guide rail It is fixedly connected on ballscrew nut, when the drive screw of the second servomotor 8 is rotated, feed screw nut drives main spindle box slide unit upper and lower Vertical movement.It is provided with main spindle box slide unit inside spindle motor 6, replaceable main spindle box 5 and tool heads 4, replaceable main spindle box 5 Vertically disposed to have power transmission shaft, the first main shaft and the second main shaft, replaceable main spindle box 5 is provided with upper and lower end plate, upper and lower end The mounting hole for installing power transmission shaft, the first main shaft and the second main shaft is correspondingly arranged on plate, wherein for the first main shaft and The mounting hole of two main shafts be correspondingly arranged on upper and lower end plate it is multipair, between adjusting between the first main shaft and the second main shaft Away from, the upper end of power transmission shaft is connected by shaft coupling with the output shaft of spindle motor 6, and power transmission shaft is provided with a central gear, the A travelling gear being meshed with above-mentioned central gear is respectively equipped with one main shaft and the second main shaft.The tool heads 4 include One roughing heads and a fine grinding head, it is connected by cutter clamping device with the first main shaft and the second main shaft respectively.Lathe bed 3 is set It is placed between two base rails 2, the replaceable main spindle box 5 for accommodating multiple different Dimension Types is provided with the side of lathe bed Cabinet, the top of lathe bed 3, which is provided with to be provided with two longitudinal slide rails, slide rail, vertically moves workbench.
It is a kind of preferred for the design method of the mounting hole for being used for the first main shaft and the second main shaft of replaceable main spindle box 5 Scheme be that the center of circle of multiple mounting holes is distributed in the concentric circles of the mounting hole for power transmission shaft on end plate, so adjust Spacing between whole first main shaft and the second main shaft to adjust during the spacing between two bistriques, no matter the first main shaft and second Which mounting hole main shaft selection is fixed in, can ensure the first main shaft, on travelling gear and power transmission shaft on the second main shaft Central gear has constant and stable meshing relation, does not influence power to transmit.
For replaceable main spindle box 5, in order to increase the alternative of the spacing between the first main shaft and the second main shaft, lathe The replaceable main spindle box 5 of a variety of different Dimension Types is specially equipped with, multiple replaceable main spindle boxes 5, which are deposited on the side of lathe bed, to be set In the cabinet put, to meet different work pieces process demands.
During work, by flat work pieces clamping vertically moving on workbench on lathe bed 3, according to the plane face to be ground Long-pending size, selects the replaceable main spindle box 5 of suitable dimension, and the area of plane to be for example ground is larger, then general bistrique is straight It is larger that footpath is selected, and should typically select the first main shaft and the larger replaceable main spindle box 5 of the second main shaft spacing, then adjust choosing The spacing between the first main shaft and the second main shaft in fixed replaceable main spindle box 5, main spindle box is fixed on by replaceable main spindle box 5 Precalculated position on slide unit.By adjusting the motion of each guide rail and hoist cylinder, tool heads 4 and flat work pieces are adjusted to add Station is put, and is then processed process.Processing initial stage, roughing heads first contact workpiece surface and are processed, fine grinding head first avoid plus Work surface, with the progress of processing, roughing heads are while thick grinding made above, and fine grinding head contact is added by roughing heads The surface that work is crossed, by that analogy, is gradually completing the processing of whole workpiece surface.
It is preferred that, lathe of the invention also includes the clamping device for flat work pieces, and clamping device is fixed on longitudinal shifting Dynamic workbench.As shown in Fig. 2 clamping device includes bottom plate 13, square framework 14, vertical rod 15, clamp nut 16, the and of clamp 17 Loading plate 18.Wherein square framework 14 is fixed on bottom plate 13, and vertical rod 15, vertical rod have been respectively fixedly connected with its four ends 15 top is provided with external screw thread.Four ends of loading plate 18 are provided with the hole passed through for vertical rod 15, and the center of loading plate 18 is provided with Square central hole.Clamping device includes four clamps 17, and one end of clamp 17 is provided with the hole passed through for vertical rod 15, and the other end is provided with Right-angle notch, to block an end of workpiece 19.Clamp nut 16 and the external screw thread on the top of vertical rod 15 are screwed.Clamping workpiece When 19, four holes of the end of loading plate 18 pass through vertical rod 15, loading plate 18 are placed in square framework 14, the one of clamp 17 The hole at end passes through vertical rod 15, and the right-angle notch of the other end engages with the end of workpiece, then tightens clamp nut 16, you can will Workpiece 19 is fixed on clamping device.
It is preferred that, the anti-skidding protective layer of the forms such as packing ring, rubber is provided with the right-angle notch of clamp 17, it is to avoid draw Hinder workpiece and increase fastening force.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (2)

1. a kind of coarse-fine mill Combined machining lathe, it includes pedestal (1), base rail (2), lathe bed (3), column (10), back timber (7), the second servomotor (8), spindle motor (6), replaceable main spindle box (5), tool heads (4), support (11), hoist cylinder (12), foot pad (9);Along pedestal (1) bottom even multiple foots pad (9) are set, base rail (2) and lathe bed (3) fixation are set Put on pedestal (1);Base rail (2) is two closed slides, and same one end of two parallel base guide rails is respectively provided with a longitudinal direction and watched Motor is taken, a screw mandrel, one end of screw mandrel and the rotary shaft phase of servo longitudinal motor are respectively provided with the top of two parallel base guide rails Connection, the bottom of two columns (10) is respectively fixedly connected by sliding block with feed screw nut, along vertical on the outside of two base rails (2) To one graduated scale of each setting;Column guide rail is respectively provided with the side of two columns (10), back timber (7) is arranged on vertical by sliding block On post guide rail, a support (11) is respectively provided with the outside of two columns, the bottom of support (11) is fixed with reinforcement, each support (11) hoist cylinder (12) is fixedly installed on respectively, the piston rod of hoist cylinder (12) is connected with back timber (7), can driven Back timber (7) is moved up and down;Being horizontally disposed with back timber (7) has convex guide rail and a ball screw, and ball screw is by installed in the of right-hand member One servomotor drives, and is provided with slide on convex guide rail, the slide back side is installed with nut seat, and nut seat is enclosed on back timber (7) Ball screw nut on be fixedly connected, when the first servomotor drive screw is rotated, feed screw nut drive slide in back timber (7) left and right horizontal movement on;The recessed guide rail and ball screw of vertical direction are housed, the second servomotor (8) is arranged on slide Slide upper end, is provided with main spindle box slide unit on the recessed guide rail of slide, and the main spindle box slide unit back side is installed with nut seat, nut Cover for seat is fixedly connected on the ball screw nut on slide, the second servomotor (8) drive screw rotate when, feed screw nut with The upper and lower vertical movement of dynamic main spindle box slide unit;Spindle motor (6), replaceable main spindle box (5) and instrument are provided with main spindle box slide unit Head (4), replaceable main spindle box (5) inside is vertically disposed power transmission shaft, the first main shaft and the second main shaft, replaceable main shaft Case (5) is provided with the peace being correspondingly arranged on upper and lower end plate, upper and lower end plate for installing power transmission shaft, the first main shaft and the second main shaft Fill hole, wherein the mounting hole for the first main shaft and the second main shaft be correspondingly arranged on upper and lower end plate it is multipair, to adjust the Spacing between one main shaft and the second main shaft, the upper end of power transmission shaft is connected by shaft coupling with the output shaft of spindle motor (6), is passed Moving axis is respectively equipped with one and is meshed with above-mentioned central gear provided with central gear on the first main shaft and the second main shaft Travelling gear;The tool heads (4) include a roughing heads and a fine grinding head, and it passes through cutter clamping device and first respectively Main shaft and the connection of the second main shaft;Lathe bed (3) is arranged between two base rails (2), is provided with the side of lathe bed for accommodating The cabinet of the replaceable main spindle box (5) of multiple different Dimension Types, the top of lathe bed (3) is provided with two longitudinal slide rails, slide rail On be provided with and vertically move workbench, the lathe also includes being fixed on the clamping device vertically moved on workbench, clamping dress Put including bottom plate (13), square framework (14), vertical rod (15), clamp nut (16), clamp (17) and loading plate (18), wherein Square framework (14) is fixed on bottom plate (13), and vertical rod (15) has been respectively fixedly connected with its four ends, vertical rod (15) Top is provided with external screw thread, and four ends of loading plate (18) are provided with the hole passed through for vertical rod (15), and the center of loading plate (18) is set There is square central hole, clamping device includes four clamps (17), and one end of clamp (17) is provided with the hole passed through for vertical rod (15), separately One end is provided with right-angle notch, to block an end of workpiece (19), clamp nut (16) and the outer spiral shell on vertical rod (15) top Line is screwed, during clamping workpiece (19), and four holes of the end of loading plate 18 pass through vertical rod (15), and loading plate (18) is placed on into pros In shape framework (14), the hole of one end of clamp (17) passes through vertical rod (15), and the right-angle notch of the other end engages with the end of workpiece, Then clamp nut (16) is tightened, you can workpiece (19) is fixed on clamping device.
2. carrying out the method for grinding to flat workpiece surface using the lathe described in claim 1, methods described includes:Will Flat work pieces clamping vertically moving on workbench on lathe bed (3), according to the size for the area of plane to be ground, selection is closed The replaceable main spindle box (5) of suitable size, then adjusts the first main shaft and the second main shaft in selected replaceable main spindle box (5) Between spacing, replaceable main spindle box (5) is fixed on to the precalculated position on main spindle box slide unit, by adjusting each guide rail and liter The motion of oil cylinder is dropped, tool heads (4) and flat work pieces are adjusted to Working position, process is then processed, initial stage is processed, slightly Bistrique first contacts workpiece surface and is processed, and fine grinding head first avoids finished surface, and with the progress of processing, roughing heads are above entering While row thick grinding, fine grinding head contact by that analogy, is gradually completing whole workpiece by the finished surface of roughing heads The processing on surface.
CN201511007298.XA 2015-12-29 2015-12-29 A kind of coarse-fine mill Combined machining lathe CN105643407B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN105643407A CN105643407A (en) 2016-06-08
CN105643407B true CN105643407B (en) 2017-08-22

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