CN104259937B - A kind of Compositions of metal-working machines - Google Patents

Abstract

The present invention relates to a kind of Compositions of metal-working machines, belong to universal machine tools field, not only there is vertical processing and the function of horizontal processing, and improve table-driving mechanism, bearing assembly, table positions retaining mechanism.Pillar parts also includes horizontal main axis assembly.Table-driving mechanism also includes small synchronous pulley, big synchronous pulley, Timing Belt, clamping cap, drive sleeve, table motor seat, No. two bearings.Workbench braking mechanism includes that circle, brake screw rod, brake nut are embraced in brake-fluid cylinder pressure, brake rotor plate, brake transmission body, brake.Table positions retaining mechanism includes locking cylinder, gear lock-bit bar, positioning tooth wheel rim.Vertical spindle assembly also includes that secondary chuck component, secondary chuck component are arranged on vertical shaft box；Secondary chuck component includes sub-folder head, inner cone chuck, pull bar, chuck hydraulic cylinder.When a described bearing is at least two, and when being arranged in order from top to bottom, described bearing assembly also includes bearing oil return spacer ring.

Description

A kind of Compositions of metal-working machines

Technical field

The present invention relates to a kind of Compositions of metal-working machines, belong to universal machine tools field.

Background technology

Machining center is widely used in manufacturing.Current machining center, is broadly divided into vertical machining centre and horizontal Machining center.

Vertical machining centre such as Application No. 201110361110.7, the Chinese patent of entitled vertical machining centre.Sleeping Formula machining center such as Application No. 201320056230.0, the Chinese patent of entitled a kind of horizontal Machining centers.

Both machining centers are often stand-alone configuration, when a workpiece needs to use vertical processing and horizontal processing Time, it is necessary to manually move workpiece to another machining center from a machining center, not only reduce work efficiency and increase Labor intensity, and the multiple clamping of workpiece also creates impact to machining accuracy.Meanwhile, the workbench portion of machining center Driving structure, locking mechanism, the structure such as brake structure still can be improved.

Summary of the invention

It is an object of the invention to overcome above-mentioned deficiency present in prior art, and a kind of reasonable in design is provided Compositions of metal-working machines, not only has vertical processing and the function of horizontal processing, and improves table-driving mechanism, bearing group Part, table positions retaining mechanism so that its structure is the most reasonable efficiently, effect is more preferably.

The present invention solves the problems referred to above and be the technical scheme is that a kind of Compositions of metal-working machines, this Compositions of metal-working machines The residing X-axis of space coordinates, Y-axis, Z axis set as follows: from the point of view of the front of Compositions of metal-working machines, X-axis level is put, and refers to In the lateral direction；Y-axis level is put, and points to fore-and-aft direction；Z axis vertical display, points to above-below direction；In described Compound Machining Pericardium includes lathe bed parts and pillar parts；Lathe bed parts include saddle assembly, table assembly, lathe bed assembly；Lathe bed assembly bag Include lathe bed；Saddle assembly includes saddle；Saddle is arranged on lathe bed, and can move in the Y-axis direction；Table assembly includes work Station, table rest, table-driving mechanism, bearing assembly, workbench braking mechanism, table positions retaining mechanism；Bearing Assembly includes a bearing；Workbench is vertically arranged, and it is rotatably connected on table rest by a bearing；Workbench drives Mechanism is connected with workbench, and workbench can be driven to rotate on table rest, and table-driving mechanism includes table motor；Work Station braking mechanism is connected with workbench；Table positions retaining mechanism is connected with workbench；Workbench is arranged on saddle, and Can move in Y-axis and X-direction；Pillar parts includes columns assemblies, vertical spindle assembly；Columns assemblies includes column；Vertical Post is vertically arranged, fixes with lathe bed；Vertical spindle assembly is positioned at the front of column, including vertical spindle unit block and vertical shaft Case；Vertical shaft box is slidably connected with column, and can move in the Z-axis direction；Vertical spindle unit block is arranged on vertical shaft box； Vertical spindle unit block includes vertical spindle unit, and vertical spindle unit is parallel with Z axis；

It is characterized in that:

Described table-driving mechanism also include small synchronous pulley, big synchronous pulley, Timing Belt, clamping cap, drive sleeve, Table motor seat, No. two bearings；Table motor seat is fixed on table rest；The fuselage of table motor is fixed on work On platform motor cabinet；Drive sleeve suit is fixed on the motor shaft of table motor；Small synchronous pulley suit is fixed on outside drive sleeve； The inner ring of No. two bearings is sleeved on table motor seat, and outer ring sleeve is contained in small synchronous pulley；The fixing suit of big synchronous pulley On the table；Timing Belt is connected with big synchronous pulley and small synchronous pulley；The motor shaft of clamping cap and table motor is fixed, And be connected with drive sleeve, drive sleeve is compressed；

Described workbench braking mechanism includes that brake-fluid cylinder pressure, brake rotor plate, brake transmission body, brake are embraced circle, stopped Car screw rod, brake nut；The cylinder body of brake-fluid cylinder pressure is arranged on table rest；Brake rotor plate one end is rotatably connected on work On pedestal, the other end and the piston hinge of brake-fluid cylinder pressure；It is annular that circle is embraced in brake, and movable set is outside workbench, and brake is embraced The bottom of circle is fixed on table rest；Brake is embraced the top of circle and is fixedly installed left tabletting and right tabletting, left tabletting and right pressure There is between sheet gap；Left tabletting has left halfbody through hole, and right tabletting has right halfbody through hole；Brake screw rod is fixed on workbench On seat；Brake nut is fixedly mounted on brake screw rod；Left halfbody through hole and right halfbody through hole are connected with brake screw slide, and Between the bolt head and brake nut of brake screw rod；Brake transmission body be slidably connected on table rest, its one end with stop Car rotor plate connects, and the other end is connected with left tabletting or right tabletting；

When a described bearing is at least two, and when being arranged in order from top to bottom, described bearing assembly also includes Bearing oil return spacer ring；Bearing oil return spacer ring movable set is outside table rest, and is fixedly set in workbench；Bearing oil return every Circle is between two neighbouring bearings；The top of bearing oil return spacer ring has an oil guide groove, an oil guide groove A bearing above it；The bottom of bearing oil return spacer ring has No. two oil guide groove, and No. two oil guide groove are towards below A number bearing；A number oil guide groove and No. two oil guide groove communicate；

Described table positions retaining mechanism includes locking cylinder, gear lock-bit bar, positioning tooth wheel rim；Locking cylinder Cylinder body is arranged on table rest；Gear lock-bit bar one end is rotatably connected on table rest, the other end and the work of locking cylinder Fill in hinged；Gear lock-bit bar has internal tooth；Described positioning tooth wheel rim is fixing on the table, the periphery of positioning tooth wheel rim Having external tooth, external tooth can be connected by disengaged with internal tooth；

Described vertical spindle assembly also includes that secondary chuck component, secondary chuck component are arranged on vertical shaft box；Sub-folder head group Part includes sub-folder head, inner cone chuck, pull bar, chuck hydraulic cylinder；Sub-folder head is parallel with Z axis, and the head of sub-folder head is down；Secondary The head periphery of chuck is provided with the conical surface；Inner cone chuck is fixed on vertical shaft box；Inner cone chuck has bellmouth, the hole of bellmouth Wall is taper, and the head of sub-folder head is positioned in bellmouth, and the conical surface of sub-folder head coordinates with the hole wall of bellmouth；Pull bar vertically sets Putting, the bottom of its one end and sub-folder head is fixed, and the piston rod of the other end and chuck hydraulic cylinder is fixed；

Described pillar parts also includes horizontal main axis assembly；Horizontal main axis assembly is positioned at the side of column, and it includes crouching Formula main axle unit assembly, cross sliding board, ram；Cross sliding board is slidably connected with column, and can move in the Z-axis direction；Ram It is slidably connected with cross sliding board, and can move in the Y-axis direction；Horizontal main axis unit block is arranged on ram, and it includes crouching Formula main axle unit, horizontal main axis unit is parallel with Y-axis.

Brake of the present invention is embraced circle and is made up of left halfbody and right halfbody；Left halfbody and right halfbody are oppositely arranged and will work Platform is clipped in the middle, and the bottom of left halfbody and the bottom of right halfbody are fixed；The bottom of left halfbody and the bottom of right halfbody are fixed on work Make on pedestal；Described left tabletting is fixedly installed on the top of left halfbody, and described right tabletting is fixedly installed on the top of right halfbody Portion.

Table assembly of the present invention also includes quick clamping mechanism；Quick clamping mechanism include oil cylinder installing plate, Angling cylinder, capping, chuck；The middle part of workbench has workpiece installation cavity；Oil cylinder installing plate is fixed on table rest；Oil cylinder Installing plate has No. two oilholes, No. two oilholes and the superjacent air space phase of a bearing of the top in bearing assembly Logical；Angling cylinder is vertically arranged, and its cylinder body is fixed on oil cylinder installing plate；Chuck is connected with angling cylinder, and chuck is vertically arranged, And the clamping hole of chuck communicates with workpiece installation cavity；Capping is arranged in workpiece installation cavity, and is connected with workbench.

The present invention is at least two when a described bearing, and when being arranged in order from top to bottom, described bearing assembly Also include bearing inner spacer；Bearing inner spacer is fixedly set in outside table rest, and is positioned at bearing oil return spacer ring and table rest Between, there are between bearing inner spacer and bearing oil return spacer ring the gap communicated up and down, an oil guide groove and No. two oil guide groove and lead to Cross this gap to communicate.

Table positions retaining mechanism of the present invention also includes locking bar axle and No. three bearings；Locking bar axle is fixed on work On pedestal；The inner ring suit of No. three bearings is fixed on locking bar axle, and described gear lock-bit bar one end suit is fixed on No. three axles On the outer ring held.Positioning tooth wheel rim of the present invention is fixed on the bottom of workbench, is positioned in bearing assembly the one of bottom The lower section of number bearing；The top of positioning tooth wheel rim has No. three oil guide groove, and No. three oil guide groove are towards a bearing above it.

The lateral surface of ram of the present invention has inclined-plane.

Lathe bed assembly of the present invention also includes that lower screw mandrel, lower feed screw nut, lower screw mandrel drive motor；Lower screw mandrel rotates Being connected on lathe bed, lower screw mandrel is parallel with Y-axis；Lower screw mandrel drives motor to be arranged on lathe bed, and lower screw mandrel drives motor and lower silk Bar connects, and lower screw mandrel can be driven to rotate；Lower feed screw nut is connected with lower screw mandrel；Described lower feed screw nut is fixed on the end of saddle Portion.

Columns assemblies of the present invention also include a column guide rail, column screw mandrel, column feed screw nut, A number column screw mandrel drives motor, No. two column guide rails, No. two column screw mandrels, No. two column feed screw nuts, No. two column screw mandrels Drive motor；A number column guide rail is fixed on the front of column, and parallel with Z axis；A number column screw mandrel is rotatably connected on column Front, and parallel with Z axis；A number column screw mandrel drives motor and a column screw mandrel to connect, and can drive a column screw mandrel Rotate；A number column feed screw nut is connected with a column screw mandrel；No. two column guide rails are fixed on the side of column, and and Z axis Parallel；No. two column screw mandrels are rotatably connected on the side of column, and parallel with Z axis；No. two column screw mandrels drive motors and No. two Column screw mandrel connects, and No. two column screw mandrels can be driven to rotate；No. two column feed screw nuts are connected with No. two column screw mandrels；Described Vertical shaft box and a column guide rail are slidably connected, and fix with a column feed screw nut；Described cross sliding board and No. two are stood Post slide connects, and fixes with No. two column feed screw nuts.

Horizontal main axis assembly of the present invention also includes that ram screw mandrel, ram feed screw nut, ram screw mandrel drive motor； Having slide plate chute on described cross sliding board, slide plate chute is parallel with Y-axis；Ram screw mandrel is rotatably connected on cross sliding board, And it is parallel with Y-axis；Ram screw mandrel drives motor to be arranged on cross sliding board, and ram screw mandrel drives motor to be connected with ram screw mandrel； Ram feed screw nut is connected with ram screw mandrel；Being fixed with ram gib on ram, ram gib is parallel with Y-axis；Ram gib with Slide plate slide connects；Ram is fixed with ram feed screw nut.

The present invention compared with prior art, has the following advantages and effect:

1, reasonable in design；

2, vertical machining centre and horizontal Machining centers it are compounded with, it is provided that five moving coordinate axles and three rotational coordinates Axle, defines eight axle construction, and adding man-hour can be with five-axle linkage, and vertical spindle assembly and horizontal main axis assembly make the present invention have Vertical processing and the function of horizontal processing, when a workpiece needs to use vertical processing and horizontal adds man-hour, directly in the present invention On complete, it is not necessary to manually move workpiece to another machining center from a machining center, not only increase work efficiency and Reduce labor intensity, and the machining accuracy of workpiece also can be guaranteed；

3, the structure of table-driving mechanism, small synchronous pulley is not directly mounted on the motor shaft of table motor, The load of small synchronous pulley would not be applied directly on the motor shaft of table motor by so drive sleeve, but acts on biography Dynamic set, table motor seat, No. two bearings, first undertaken load by these three parts, thus protect the electricity of table motor Arbor, and prevent it from damaging；

4, the structure of bearing assembly, when workbench rotates, bearing oil return spacer ring and then rotates；Above bearing oil return spacer ring The lubricating oil of a number bearing flows in an oil guide groove, and due to the effect of centrifugal force, lubricating oil has upwards been got rid of, and a part is again A bearing above entrance, another part flows in No. two oil guide groove, then flows to a bearing of lower section from No. two oil guide groove In；The most not only ensure that the unobstructed of oil circuit, make lubricating oil can flow down a bearing of lower section, lubricating oil will not flow too fast, All the time some can feed back to a bearing of top, it is ensured that the lubricant effect of a bearing of top；

5, the structure of table positions retaining mechanism, when workbench does not has locking positioning, external tooth departs from internal tooth；Workbench turns Time dynamic, positioning tooth wheel rim and then rotates；When workbench wants locking positioning after stopping operating, locking cylinder action, promote gear lock Position bar rotates on locking bar axle, and external tooth engages with internal tooth and fixed workbench, and workbench is locked location；Workbench needs to solve During except locking positioning, locking cylinder action, promote gear lock-bit bar to invert on locking bar axle, external tooth departs from internal tooth, workbench Released, thus relieve locking positioning；By parameters such as regulation external tooth and the profile of tooth of internal tooth, the numbers of teeth, can be fixed to workbench The positioning precision of position locking mechanism is adjusted；

6, secondary chuck component and vertical spindle unit block share the effect that can play immovable support so that knife rest will not Rotate, the perfect effect of vertical processing.One handle of a knife of knife rest is fixedly mounted in vertical spindle unit, and another handle of a knife fills After entering sub-folder head, chuck hydraulic cylinder action, pull bar moves up, and pulls and moves on pull bar, and pull bar pulls and moves on sub-folder head, sub-folder head The conical surface coordinate with the hole wall of bellmouth, the head of sub-folder head is squeezed Guan Bi, blocks the handle of a knife fixing knife rest, such cutter Frame has just been separately fixed on secondary chuck component and vertical spindle unit block, and knife rest will not rotate.When unloading lower slide, chuck liquid Cylinder pressure action, pull bar moves down, and pushing drawing rod moves down, and pull bar promotes sub-folder head to move down, the conical surface of sub-folder head and bellmouth Hole wall unclamps, and the extruding force that the head of sub-folder head is subject to reduces and unclamps, and the handle of a knife of knife rest is released, thus can take off cutter Handle；The handle of a knife that knife rest is arranged in vertical spindle unit is also removed, and thus can take off knife rest.

Accompanying drawing explanation

Fig. 1 is the partial structurtes schematic diagram of embodiment of the present invention left view.

Fig. 2 is the partial structurtes schematic diagram that the embodiment of the present invention is faced.

Fig. 3 is the partial structurtes schematic diagram that the embodiment of the present invention lathe bed assembly right side regards.

Fig. 4 is the partial structurtes schematic diagram that embodiment of the present invention lathe bed assembly is faced.

Fig. 5 is the partial structurtes schematic diagram that the embodiment of the present invention columns assemblies right side regards.

Fig. 6 is the partial structurtes schematic diagram that embodiment of the present invention columns assemblies is faced.

Fig. 7 is embodiment of the present invention saddle assembly and the partial structurtes schematic diagram that regards of the right side of table assembly assembling.

Fig. 8 is embodiment of the present invention saddle assembly and the partial structurtes schematic diagram faced of table assembly assembling.

Fig. 9 is the structural representation that circle is embraced in embodiment of the present invention brake.

Figure 10 is the side-looking structural representation of Fig. 9.

Figure 11 is the partial structurtes schematic diagram of the vertical view of Fig. 8.

Figure 12 is the structural representation of embodiment of the present invention table motor seat.

Figure 13 is the structural representation of embodiment of the present invention positioning tooth wheel rim.

Figure 14 is the side-looking structural representation of Figure 13.

Figure 15 is the partial structurtes schematic diagram of embodiment of the present invention bearing oil return spacer ring.

Figure 16 is the structural representation that the right side of embodiment of the present invention vertical spindle assembly regards.

Figure 17 is the structural representation of the amplification of part A in Figure 16.

Figure 18 is the structural representation that the right side of embodiment of the present invention horizontal main axis assembly regards.

Figure 19 is the structural representation of embodiment of the present invention ram.

Figure 20 is the structural representation of the tool holder supporting with the embodiment of the present invention.

Figure 21 is the structural representation that the right side of Figure 20 regards.

Figure 22 is the structural representation of the amplification of part B in Fig. 8.

Figure 23 is the structural representation of the amplification of C portion in Fig. 7.

Detailed description of the invention

The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are to this Bright explanation and the invention is not limited in following example.

Seeing Fig. 1～Figure 23, the X-axis of the space coordinates residing for the present invention, Y-axis, Z axis these three coordinate axes set such as Under: from the point of view of the front of Compositions of metal-working machines, X-axis level is put, in the lateral direction；Y-axis level is put, and points to front and back To；Z axis vertical display, points to above-below direction.In present specification, X-axis, Y-axis, Z axis refer both to coordinate axes set above.

The embodiment of the present invention includes lathe bed parts and pillar parts.

Lathe bed parts include saddle assembly I, table assembly II, lathe bed assembly III.

Lathe bed assembly III includes that lathe bed 10, lower screw mandrel 11, lower feed screw nut 6, lower screw mandrel drive motor 87.

Lower screw mandrel 11 is rotatably connected on lathe bed 10, and lower screw mandrel 11 is parallel with Y-axis.

Lower screw mandrel drives motor 87 to be arranged on lathe bed 10, and lower screw mandrel drives motor 87 to be connected with lower screw mandrel 11, can drive Lower screw mandrel 11 rotates.

Lower feed screw nut 6 is connected with lower screw mandrel 11, can move along lower screw mandrel 11 when being driven move by lower screw mandrel 11 Dynamic.

The top of lathe bed 10 is fixedly installed lower middle guide 12, lower left rail 13, bottom right guide rail 14.Lower left rail 13, under Middle guide 12, bottom right guide rail 14 are arranged in order, and lower left rail 13 is positioned at the left side of lathe bed 10, and lower middle guide 123 is positioned at lathe bed 10 Middle part, bottom right guide rail 14 is positioned at the right side of lathe bed 10.Lower middle guide 12, lower left rail 13, bottom right guide rail 14 are parallel with Y-axis.

Saddle assembly I includes that saddle 1, upper screw rod drive motor 2, bottom right pressing plate 3, lower left pressing plate 4, upper screw rod 5, upper screw rod Nut 17.

The bottom of saddle 1 is fixedly installed middle guide 7, upper left rail 8, upper right guide rail 9, upper middle guide 7, upper left rail 8, upper right guide rail 9 is parallel with Y-axis.

Lower feed screw nut 6 is fixed on the bottom of saddle 1, and saddle 1 so can be driven to move in the Y-axis direction, and saddle 1 drives Workbench 18 moves in the Y-axis direction, and such workpiece is provided with a moving coordinate axle.

Upper left rail 8, upper middle guide 7, upper right guide rail 9 are arranged in order.Upper left rail 8 is positioned at the left side of saddle 1, upper in lead Rail 7 is positioned at the middle part of saddle 1, and upper right guide rail 9 is positioned at the right side of saddle 1.

Upper left rail 8 is slidably connected with lower left rail 13, and upper left rail 8 is positioned at above lower left rail 13, such saddle 1 Left part is supported.Upper left rail 8 is L-shaped, can spacing lower left rail 13, prevent lower left rail 13 from coming off from side.

Upper right guide rail 9 is slidably connected with bottom right guide rail 14, and upper right guide rail 9 is positioned at above bottom right guide rail 14, such saddle 1 Right part is supported.Upper right guide rail 9 is L-shaped, can spacing bottom right guide rail 14, prevent bottom right guide rail 14 from coming off from side.

Upper middle guide 7 is slidably connected with lower middle guide 12, and upper middle guide 7 is positioned at above lower middle guide 12, such saddle 1 Middle part is supported, and prevents the middle part stress of saddle 1 from deforming upon too greatly.

Longitudinally an oilhole 15 is had in upper middle guide 7.During the aperture, lower end of a number oilhole 15 is positioned at On the guide pass of guide rail 7.So can give the contact guide pass lubrication between upper middle guide 7 and lower middle guide 12.

Bottom right pressing plate 3 is fixed on the bottom of upper right guide rail 9, and bottom right pressing plate 3 and upper right guide rail 9 cooperatively form right draw-in groove 98, This right draw-in groove 98 be slidably connected with bottom right guide rail 14 and can spacing bottom right guide rail 14, prevent bottom right guide rail 14 from departing from.

Lower left pressing plate 4 is fixed on the bottom of left rail 8, and lower left pressing plate 4 cooperatively forms left draw-in groove 99 with upper left rail 8, This left draw-in groove 99 be slidably connected with lower left rail 13 and can spacing lower left rail 13, prevent lower left rail 13 from departing from.

The top of saddle 1 is fixedly installed two head rail 20 arranged in parallel, and head rail 20 is parallel with X-axis.

Upper screw rod 5 is rotatably connected on saddle 1, and upper screw rod 5 is parallel with X-axis.Upper screw rod 5 is positioned at above lower screw mandrel 11.

Upper screw rod drives motor 2 to be arranged on saddle 1, and upper screw rod drives motor 2 to be connected with upper screw rod 5, can drive silk Bar 5 rotates.

Upper screw rod nut 17 is connected with upper screw rod 5, can move along upper screw rod 5 when being driven move by upper screw rod 5.

Table assembly II includes that workbench 18, table rest 19, bearing assembly, table-driving mechanism, workbench are stopped Mechanism of car, quick clamping mechanism, table positions retaining mechanism.

The bottom of table rest 19 has two table rest chutes that are arranged in parallel and that be oppositely arranged, two workbench Seat chute is slidably connected with two head rail 20 respectively, and such table rest 19 is slidably connected at the top of saddle 1.Workbench Seat 19 is fixed with upper screw rod nut 17, and table rest 19 can be in the X-axis direction when being driven move by upper screw rod nut 17 Mobile.

Workbench 18 is vertically arranged, and it is rotatably connected on table rest 19.Table rest 19 moves in the X-axis direction Time, drive workbench 18 to move in the X-axis direction, such workpiece is provided with a moving coordinate axle.On the table top of workbench 18 Having the structure for installing workpiece, this is techniques known.

By table rest 19 and the movement of saddle 1, workbench 18 can move in Y-axis and X-direction.

Table-driving mechanism is connected with workbench 18, workbench 18 can be driven to rotate on table rest 19, such work Part is provided with a rotatable coordinate axis.Table-driving mechanism include small synchronous pulley 25, big synchronous pulley 26, Timing Belt 27, Clamping cap 28, drive sleeve 29, table motor seat 30,31, No. two bearings 32 of table motor.

Having mounting hole 33 on table motor seat 30, install bolt in mounting hole 33, table motor seat 30 uses bolt It is fixed on table rest 19.

Table motor 31 is vertically arranged, and its fuselage is fixed by bolts on table motor seat 30.

Drive sleeve 29 is set with and with on the bonded motor shaft 101 being fixed on table motor 31.

Small synchronous pulley 25 is set with and is fixed by bolts to outside drive sleeve 29.

The inner ring of No. two bearings 32 is sleeved on table motor seat 30, and outer ring sleeve is contained in small synchronous pulley 25.Little same Step belt wheel 25 is rotationally connected with table motor seat 30 by No. two bearings 32.

Big synchronous pulley 26 is fixedly set on workbench 18.

Timing Belt 27 is connected with big synchronous pulley 26 and small synchronous pulley 25.

Clamping cap 28 motor shaft 101 of bolt with table motor 31 is fixed.Clamping cap 28 is also connected with drive sleeve 29, Drive sleeve 29 is compressed, prevents drive sleeve 29 from coming off from top.

Above structure, small synchronous pulley 25 is not directly mounted on the motor shaft 101 of table motor 31, such transmission The load of small synchronous pulley 25 would not be applied directly on the motor shaft 101 of table motor 31 by set 29, but acts on Drive sleeve 29,30, No. two bearings 32 of table motor seat, first undertaken load by these three parts, thus protect workbench The motor shaft 101 of motor 31, and prevent it from damaging.

Being provided with puller bolt on table rest 19, puller bolt is connected with table motor seat 30.When needs adjust When Timing Belt 27 and big tightening force between synchronous pulley 26 and small synchronous pulley 25, unclamp table motor seat 30 and workbench Bolt between seat 19, twists puller bolt inward or outward, and stubborn puller bolt extrudes inward or unclamps workbench electricity outward Support 30, mobile working platform motor cabinet 30, table motor seat 30 drives small synchronous pulley 25 to move, big synchronous pulley 26 and little Specifically changing between synchronous pulley 25, when distance becomes big, tension Timing Belt 27, unclamps Timing Belt 27, so when distance diminishes Just have adjusted Timing Belt 27 and big tightening force between synchronous pulley 26 and small synchronous pulley 25.

Bearing assembly is arranged between workbench 18 and table rest 19.Bearing assembly includes a bearing 20.

The inner ring of a number bearing 20 is sleeved on outside table rest 19, and outer ring sleeve is contained in workbench 18, and workbench 18 passes through A number bearing 20 is rotatably connected on table rest 19.

When a bearing 20 is at least two, and when these bearing 20 is arranged in order from top to bottom, bearing assembly is also Including bearing inner spacer 22 and bearing oil return spacer ring 23.In the present embodiment, a bearing 20 is three.

Bearing oil return spacer ring 23 movable set is outside table rest 19, and is fixedly set in workbench 18.Bearing oil return Spacer ring 23 is between two neighbouring bearings 20, and the quantity of bearing oil return spacer ring 23 is according to the number of a bearing 20 Depending on amount, usually fewer than the quantity of a bearing 20 one；In the present embodiment, bearing oil return spacer ring 23 is two.

The top of bearing oil return spacer ring 23 has an oil guide groove 21, and oil guide groove 21 is towards a bearing of top 20.The side channel wall of a number oil guide groove 21 tilts, the effect that when strengthening the effect of centrifugal force, lubricating oil has upwards been got rid of.Bearing returns The bottom of oil spacer ring 23 has No. two oil guide groove 24, No. two oil guide groove 24 bearing 20 downwards.

Bearing inner spacer 22 is fixedly set in outside table rest 19, and be positioned at bearing oil return spacer ring 23 and table rest 19 it Between.There are between bearing inner spacer 22 and bearing oil return spacer ring 23 gap communicated up and down, an oil guide groove 21 and No. two Oil Guides Groove 24 is communicated by this gap.

When workbench 18 rotates, bearing oil return spacer ring 23 and then rotates.A bearing 20 above bearing oil return spacer ring 23 Lubricating oil flow in an oil guide groove 21, due to the effect of centrifugal force, lubricating oil has upwards been got rid of, and a part reenters A number bearing 20 of side, another part is flowed to No. two oil guide groove by the gap between bearing inner spacer 22 and bearing oil return spacer ring 23 In 24, then flow to a bearing 20 of lower section from No. two oil guide groove 24.The most not only ensure that the unobstructed of oil circuit, make lubricating oil Can flow down a bearing 20 of lower section, lubricating oil will not flow too fast, and some can feed back to a bearing of top all the time 20, it is ensured that the lubricant effect of a bearing 20 of top.

Quick clamping mechanism includes oil cylinder installing plate 34, angling cylinder 35, capping 36, chuck 37.

The middle part of workbench 18 has workpiece installation cavity 38.

Oil cylinder installing plate 34 is fixed by bolts on table rest 19.Oil cylinder installing plate 34 has No. two oilholes 39, No. two oilholes 39 communicate with the superjacent air space of a bearing 20 of the top in bearing assembly, so can give No. one Bearing 20 send lubricating oil.

Angling cylinder 35 is vertically arranged, and its cylinder body is fixed by bolts on oil cylinder installing plate 34.

Chuck 37 is connected with angling cylinder 35, and chuck 37 and angling cylinder 35 can use prior art.Chuck 37 vertically sets Put, and the clamping hole of chuck 37 communicates with workpiece installation cavity 38.

Capping 36 is arranged in workpiece installation cavity 38, is connected with workbench 18 with bolt.

Quick clamping mechanism can make some can carry out quick-clamping with the workpiece of chuck 37 clamping, it is not necessary to recruitment again Clamping structure on the table top of station 18.When not using, capping 36 is fixed by bolts on workbench 18, seals workpiece installation cavity 38, prevent foreign material from falling in workpiece installation cavity 38.During use, turn on bolt, capping 36 is taken away, expose workpiece installation cavity 38； Workpiece is connected with the clamping hole of chuck 37 after stretching into workpiece installation cavity 38, angling cylinder 35 action, and chuck 37 clamps workpiece.

Workbench braking mechanism includes that brake-fluid cylinder pressure 40, brake rotor plate 41, brake are embraced circle 44, brake screw rod 47, stopped Car nut 48.

The cylinder body of brake-fluid cylinder pressure 40 is arranged on table rest 19.

Brake rotor plate 41 one end is rotatably connected on table rest 19, and the other end cuts with scissors with the piston of brake-fluid cylinder pressure 40 Connect.

It is annular that circle 44 is embraced in brake, and movable set is outside workbench 18, and it is made up of left halfbody 45 and right halfbody 46.Left half Body 45 and right halfbody 46 are oppositely arranged and are clipped in the middle by workbench 18, the bottom of left halfbody 45 and the bottom bolt of right halfbody 46 Fixing.The bottom of left halfbody 45 is fixed by bolts on table rest 19, and the bottom of right halfbody 46 is fixed by bolts to workbench On seat 19, i.e. the bottom of brake armful circle 44 is fixed by bolts on table rest 19.

The top of left halfbody 45 is fixedly installed left tabletting 51, and the top of right halfbody 46 is fixedly installed right tabletting 52.Left Between tabletting 51 and right tabletting 52, there is gap.Left tabletting 51 has left halfbody through hole 49.Right tabletting 52 has right halfbody through hole 50。

Brake screw rod 47 is fixed on table rest 19.Brake nut 48 is fixedly mounted on brake screw rod 47.

Left halfbody through hole 49 and right halfbody through hole 50 are slidably connected with brake screw rod 47, and are positioned at the bolt of brake screw rod 47 Between head and brake nut 48.

Brake transmission body is slidably connected on table rest 19.Brake transmission body one end is connected, separately with brake rotor plate 41 One end is connected with left tabletting 51 or right tabletting 52.Brake transmission body is made up of with brake pressure head 43 pellet 42 that brakes.

Brake pellet 42 is slidably connected on table rest 19.Brake pellet 42 one end is connected, separately with brake rotor plate 41 One end is connected with one end of brake pressure head 43.And the pressure head 43 that brakes is slidably connected on table rest 19, its other end and left pressure Sheet 51 or right tabletting 52 connect.This structure that brake transmission body is made up of with brake pressure head 43 pellet 42 that brakes so that stop Car transmission body itself has multiple degree of freedom so that transmission effect is more preferable.In the present embodiment, brake pressure head 43 is with left tabletting 51 even Connect.

Workbench 18 work is not braked when rotating, and has gap, stop between left halfbody 45 and right halfbody 46 and workbench 18 Car is embraced circle 44 and is not contacted with workbench 18.When needs workbench 18 stops, brake-fluid cylinder pressure 40 action, piston retraction, draw Dynamic brake rotor plate 41 rotates, and brake rotor plate 41 promotes brake pellet 42 to move forward, and brake pellet 42 promotes brake pressure head 43 move forward, and brake pressure head 43 presses forward left tabletting 51, and left tabletting 51 slides on brake screw rod 47, drives left halfbody 45 Top is moved, and the distance between left halfbody 45 and right halfbody 46 reduces, between left halfbody 45 and right halfbody 46 and workbench 18 Gap reduces until blocking workbench 18 so that workbench 18 stops, and plays the effect of brake.Workbench 18 to rotate again Time, brake-fluid cylinder pressure 40 action, piston extends, and promotes brake rotor plate 41 to invert, and brake rotor plate 41 releasing of brake pellet, stops Car pellet 42 releasing of brake pressure head 43, brake pressure head 43 unclamps left tabletting 51, left halfbody 45 and right halfbody 46 elastic force at itself The lower return of effect, has gap again between left halfbody 45 and right halfbody 46 and workbench 18, circle 44 and workbench 18 are embraced in brake Do not contact.

Table positions retaining mechanism includes locking cylinder 53, gear lock-bit bar 54,55, No. three bearings 56 of locking bar axle, determines Position gear ring 57.

The cylinder body of locking cylinder 53 is arranged on table rest 19.

Locking bar axle 55 is fixed on table rest 19.

The inner ring suit of No. three bearings 56 is fixed on locking bar axle 55.

Gear lock-bit bar 54 one end suit is fixed on the outer ring of No. three bearings 56, i.e. gear lock-bit bar 54 one end passes through three Number bearing 56 is rotatably connected on locking bar axle 55, i.e. gear lock-bit bar 54 one end is rotated even by locking bar axle 55 and No. three bearings 56 It is connected on table rest 19；The other end of gear lock-bit bar 54 and the piston hinge of locking cylinder 53.On gear lock-bit bar 54 Have internal tooth 58.

Positioning tooth wheel rim 57 is fixed on bottom workbench 18, is positioned at the bearing 20 times of bottom in bearing assembly Side.The top of positioning tooth wheel rim 57 has No. three oil guide groove 59, No. three oil guide groove 59 towards its above a bearing 20.No. three The side channel wall of oil guide groove 59 tilts, the effect that when strengthening the effect of centrifugal force, lubricating oil has upwards been got rid of.Positioning tooth wheel rim 57 Periphery have external tooth 60, external tooth 60 can be connected by disengaged with internal tooth 58.

No. three oilholes 100 are had in the bottom of table rest 19.The aperture, lower end of No. three oilholes 100 and work Pedestal chute communicates.There is between positioning tooth wheel rim 57 with table rest 19 gap communicated up and down, No. three oilholes 100 Aperture, upper end is communicated by this gap with No. three oil guide groove 59.

When workbench 18 does not has locking positioning, external tooth 60 departs from internal tooth 58.When workbench 18 rotates, positioning tooth wheel rim 57 with Rotation.The lubricating oil of a bearing 20 above positioning tooth wheel rim 57 flows in No. three oil guide groove 59, due to the work of centrifugal force With, lubricating oil has upwards been got rid of, and a part reenters in a bearing 20 of top, another part by positioning tooth wheel rim 57 with Gap between table rest 19 flows in No. three oilholes 100, then flows to table rest chute from No. three oilholes 100 In so that lubricated between table rest chute and head rail 20.The most not only ensure that the unobstructed of oil circuit, make lubricating oil Can flow down No. three oilholes 100, lubricating oil will not flow too fast, and some can feed back to a bearing of top all the time 20, it is ensured that the lubricant effect of a bearing 20 of top.

When workbench 18 wants locking positioning after stopping operating, locking cylinder 53 action, promote gear lock-bit bar 54 at locking bar Rotating on axle 55, external tooth 60 engages with internal tooth 58 and has fixed workbench 18, and workbench 18 is locked location.Workbench 18 needs When releasing locking positioning, locking cylinder 53 action, promote gear lock-bit bar 54 to invert on locking bar axle 55, external tooth 60 and internal tooth 58 Departing from, workbench 18 is released, thus relieves locking positioning.By regulation external tooth 60 and the profile of tooth of internal tooth 58, the number of teeth etc. Parameter, can be adjusted the positioning precision of table positions retaining mechanism.Such as, on the periphery of positioning tooth wheel rim 57, every 3 Degree arranges an external tooth 60, and internal tooth 58 coordinates corresponding with external tooth 60, has thus reached the effect of 3 degree of positioning and lockings.

Table-driving mechanism and table positions retaining mechanism coordinate the effect that can reach specified angle locking positioning.Work After station drive mechanism drives workbench 18 to turn to specified angle on table rest, table positions retaining mechanism works, By workbench 18 positioning and locking, such workbench 18 is secured in the angle specified, has reached the rotation to workbench and has carried out The effect controlled.

Pillar parts includes columns assemblies IV, vertical spindle assembly V, horizontal main axis assembly VI.

Columns assemblies IV includes 61, column guide rail of column, 63, column screw mandrel 64, two of 62, No. two column guide rails 67, column screw mandrel of number column screw mandrel 66, No. two column feed screw nuts of 65, column feed screw nut drive motor, No. two Column screw mandrel drives motor.

Column 61 is vertically arranged, fixes with lathe bed 10.

A number column guide rail 62 is fixed on the front of column 61, and parallel with Z axis.

A number column screw mandrel 64 is rotatably connected on the front of column 61, and parallel with Z axis.

A number column screw mandrel drives motor and a column screw mandrel 64 to connect, and a column screw mandrel 64 can be driven to rotate.

A number column feed screw nut 66 is connected with a column screw mandrel 64, when being moved by column screw mandrel 64 drive Can move along a column screw mandrel 64.

No. two column guide rails 63 are fixed on the side of column 61, and parallel with Z axis.

No. two column screw mandrels 65 are rotatably connected on the side of column 61, and parallel with Z axis.

No. two column screw mandrels drive motor and No. two column screw mandrels 65 to connect, and No. two column screw mandrels 65 can be driven to rotate.

No. two column feed screw nuts 67 are connected with No. two column screw mandrels 65, when being moved by No. two column screw mandrels 65 drives Can move along No. two column screw mandrels 65.

Vertical spindle assembly V is positioned at the front of column 61, and it includes vertical spindle unit block, vertical shaft box 68, sub-folder head Assembly.Vertical spindle assembly V makes the present invention possess the function of vertical processing.

Vertical shaft box 68 is slidably connected with a column guide rail 62, and fixes with a column feed screw nut 66, such No. one Column feed screw nut 66 can drive vertical spindle unit 69 to move in the Z-axis direction, and such cutter is provided with a moving coordinate Axle.A number column guide rail 62 is two.

Vertical spindle unit block is arranged on vertical shaft box 68, and can use prior art.Vertical spindle unit includes standing Formula main axle unit 69, vertical knife striking cylinder 70, vertical spindle motor 71.Vertical spindle unit 69 is parallel with Z axis, and vertical spindle Down, the head of vertical spindle unit 69 is used for installing cutter or knife rest the head of unit 69.Vertical spindle unit 69 is with perpendicular Connect to knife striking cylinder 70 and vertical spindle unit 69.Vertical spindle unit block can drive the cutter in vertical spindle unit 69 to turn Dynamic, such cutter is provided with a rotatable coordinate axis.Vertical spindle unit 69 offsets the centrage of two column guide rails 62, And draw close to horizontal main axis assembly VI, such vertical spindle unit 69 and horizontal main axis unit 84 are apart from little, and workpiece is cut at both The distance moved when changing is few, and working (machining) efficiency is high.

Secondary chuck component includes sub-folder 72, inner cone chuck 73, pull bar 74, chuck hydraulic cylinder 76, inductive switch 16, sensing Part 21.

Sub-folder 72 can use prior art.Sub-folder 72 is parallel with Z axis, and the head of sub-folder 72 is down.Sub-folder 72 sides being positioned at vertical spindle unit 69.The head periphery of sub-folder 72 is provided with the conical surface.

Inner cone chuck 73 is fixed on vertical shaft box 68.Having bellmouth 77 in inner cone chuck 73, the hole wall of bellmouth 77 is Taper.The head of sub-folder 72 is positioned in bellmouth 77, and the conical surface of sub-folder 72 coordinates with the hole wall of bellmouth 77.

Pull bar 74 is parallel with Z axis, and the bottom of its one end and sub-folder 72 is fixed, the piston of the other end and chuck hydraulic cylinder 76 Bar 75 is fixed.

Inductive switch 16 is arranged on vertical shaft box 68.Induction pieces 21 is arranged on the piston rod 75 of chuck hydraulic cylinder 76.Sense Inductive switch 16 coordinates with induction pieces 21, and inductive switch 16 can detect the position of induction pieces 21.

Secondary chuck component and vertical spindle unit block share the effect that can play immovable support so that knife rest will not turn Dynamic.One handle of a knife of knife rest is fixedly mounted in vertical spindle unit 69, after another handle of a knife loads sub-folder 72, and chuck hydraulic pressure Cylinder 76 action, pull bar 74 moves up, and pulls and moves on pull bar 74, and pull bar 74 pulls and moves in sub-folder 72, the conical surface of sub-folder 72 Coordinating with the hole wall of bellmouth 77, the head of sub-folder 72 is squeezed Guan Bi, blocks the handle of a knife fixing knife rest.So knife rest Just being separately fixed on secondary chuck component and vertical spindle unit block, knife rest will not rotate.When unloading lower slide, chuck hydraulic pressure Cylinder 76 action, pull bar 74 moves down, and pushing drawing rod 74 moves down, and pull bar 74 promotes sub-folder 72 to move down, the conical surface of sub-folder 72 Unclamping with the hole wall of bellmouth 77, the extruding force that the head of sub-folder 72 is subject to reduces and unclamps, and the handle of a knife of knife rest is released, this Sample just can take off handle of a knife；The handle of a knife that knife rest is arranged in vertical spindle unit 69 is also removed, and thus can take off knife rest. Inductive switch 16 detects the position of induction pieces 21, so can control the action of chuck hydraulic cylinder 76 so that chuck hydraulic cylinder 76 Piston rod 75 move up and down more accurate.

If need not make knife rest to rotate, then during the mounting head of knife rest is only fixedly mounted on vertical spindle unit 69, Without being fixed in sub-folder 72.

In the present embodiment, when knife rest is tool holder, it includes tool-post structure 89, main shaft handle of a knife 90, chuck handle of a knife 91, 94, No. two clamping screws 97 of clamping screw.

Main shaft handle of a knife 90 and chuck handle of a knife 91 are fixed on the back of tool-post structure 89 side by side.Main shaft handle of a knife 90 and vertical spindle list Unit 69 coordinates, and can load in vertical spindle unit 69.Chuck handle of a knife 91 coordinates with sub-folder 72, can load in sub-folder 72.

The front of tool-post structure 89 has a cutter groove 92 and No. two cutter grooves 93.A number cutter groove 92 and No. two cutter grooves 93 vertically set Putting, such lathe tool is contained in a cutter groove 92 or No. two cutter grooves 93, forms two operating angles.

The side channel wall of a cutter groove 92 has a screwed hole 95, a clamping screw 94 and a screwed hole 95 even Connect.

The side channel wall of No. two cutter grooves 93 has No. two screwed holes 96, No. two clamping screws 97 and No. two screwed holes 96 even Connect.

Lathe tool is contained in a cutter groove 92 and No. two cutter grooves 93, rotates a clamping screw 94 and No. two locks after loading inward Tight bolt 97, lathe tool is locked by a clamping screw 94 and No. two clamping screws 97.

Horizontal main axis assembly VI is positioned at the side of column 61, and it includes horizontal main axis unit block, cross sliding board 78, ram 79, ram screw mandrel 81, ram feed screw nut 82, ram screw mandrel drive motor 83.

The medial surface of cross sliding board 78 and No. two column guide rails 63 are slidably connected, and solid with No. two column feed screw nuts 67 Fixed, No. two column feed screw nuts 67 can drive the horizontal main axis unit 84 on cross sliding board 78 to move in the Z-axis direction, such cutter It is provided with a moving coordinate axle.

Having slide plate chute on the lateral surface of cross sliding board 78, slide plate chute is parallel with Y-axis.

Ram screw mandrel 81 is rotatably connected on cross sliding board 78, and ram screw mandrel 81 is parallel with Y-axis.

Ram screw mandrel drives motor 83 to be arranged on cross sliding board 78, and ram screw mandrel drives motor 83 with ram screw mandrel 81 even Connect, ram screw mandrel 81 can be driven to rotate.

Ram feed screw nut 82 is connected with ram screw mandrel 81, can be along ram when being driven move by ram screw mandrel 81 Screw mandrel 81 moves.

Being fixed with ram gib on the medial surface 80 of ram 79, ram gib is parallel with Y-axis.Ram gib and slide plate chute Being slidably connected, such ram 79 has just been slidably connected on cross sliding board 78.Medial surface 80 and the ram feed screw nut of ram 79 82 fix, and ram feed screw nut 82 can drive the horizontal main axis unit 84 on ram 79 to move in the Y-axis direction, and such cutter has There is a moving coordinate axle.The lateral surface 88 of ram 79 has inclined-plane, is so not easy dust stratification, and makes ram 79 for class Like triangular structure, volume is little, and intensity is big.

Horizontal main axis unit block is arranged on ram 79, and can use prior art.Horizontal main axis unit block includes Horizontal main axis unit 84, horizontal knife striking cylinder 85, horizontal main axis motor 86.Horizontal main axis unit 84 is parallel with Y-axis, horizontal main axis list The head of unit 84 is used for installing cutter or knife rest.Horizontal main axis unit 84 connects with horizontal knife striking cylinder 85 and horizontal main axis motor 86 Connect.Horizontal main axis unit block can drive the cutter in horizontal main axis unit 84 to rotate, and such cutter is provided with one and rotates seat Parameter.

Furthermore, it is necessary to explanation, the specific embodiment described in this specification, the shape of its parts and components, it is named Titles etc. can be different, and the above content described in this specification is only to present configuration example explanation.

Claims (10)

1. a Compositions of metal-working machines, the X-axis of the space coordinates residing for this Compositions of metal-working machines, Y-axis, Z axis set as follows: with From the point of view of the front of Compositions of metal-working machines, X-axis level is put, in the lateral direction；Y-axis level is put, and points to fore-and-aft direction；Z axis Vertical display, points to above-below direction；Described Compositions of metal-working machines includes lathe bed parts and pillar parts；Lathe bed parts include sliding Adapter component, table assembly, lathe bed assembly；Lathe bed assembly includes lathe bed；Saddle assembly includes saddle；Saddle is arranged on lathe bed On, and can move in the Y-axis direction；Table assembly include workbench, table rest, table-driving mechanism, bearing assembly, Workbench braking mechanism, table positions retaining mechanism；Bearing assembly includes a bearing；Workbench is vertically arranged, and it passes through A number bearing is rotatably connected on table rest；Table-driving mechanism is connected with workbench, and workbench can be driven at workbench Rotating on seat, table-driving mechanism includes table motor；Workbench braking mechanism is connected with workbench；Table positions is locked Tight mechanism is connected with workbench；Workbench is arranged on saddle, and can move in Y-axis and X-direction；Pillar parts includes standing Column assembly, vertical spindle assembly；Columns assemblies includes column；Column is vertically arranged, fixes with lathe bed；Vertical spindle assembly is positioned at The front of column, including vertical spindle unit block and vertical shaft box；Vertical shaft box is slidably connected with column, and can be in Z-direction Upper movement；Vertical spindle unit block is arranged on vertical shaft box；Vertical spindle unit block includes vertical spindle unit, vertical master Axle unit is parallel with Z axis；

It is characterized in that:

Described table-driving mechanism also includes small synchronous pulley, big synchronous pulley, Timing Belt, clamping cap, drive sleeve, work Platform motor cabinet, No. two bearings；Table motor seat is fixed on table rest；The fuselage of table motor is fixed on workbench electricity On support；Drive sleeve suit is fixed on the motor shaft of table motor；Small synchronous pulley suit is fixed on outside drive sleeve；No. two The inner ring of bearing is sleeved on table motor seat, and outer ring sleeve is contained in small synchronous pulley；Big synchronous pulley is fixedly set in work In station；Timing Belt is connected with big synchronous pulley and small synchronous pulley；The motor shaft of clamping cap and table motor is fixed, and with Drive sleeve connects, and drive sleeve is compressed；

Described workbench braking mechanism includes that circle, brake spiral shell are embraced in brake-fluid cylinder pressure, brake rotor plate, brake transmission body, brake Bar, brake nut；The cylinder body of brake-fluid cylinder pressure is arranged on table rest；Brake rotor plate one end is rotatably connected on table rest On, the other end and the piston hinge of brake-fluid cylinder pressure；It is annular that circle is embraced in brake, and movable set is outside workbench, and circle is embraced in brake Bottom is fixed on table rest；Brake embrace circle top be fixedly installed left tabletting and right tabletting, left tabletting and right tabletting it Between there is gap；Left tabletting has left halfbody through hole, and right tabletting has right halfbody through hole；Brake screw rod is fixed on table rest On；Brake nut is fixedly mounted on brake screw rod；Left halfbody through hole and right halfbody through hole are connected with brake screw slide, and position Between the bolt head and brake nut of brake screw rod；Brake transmission body is slidably connected on table rest, its one end and brake Rotor plate connects, and the other end is connected with left tabletting or right tabletting；

When a described bearing is at least two, and when being arranged in order from top to bottom, described bearing assembly also includes bearing Oil return spacer ring；Bearing oil return spacer ring movable set is outside table rest, and is fixedly set in workbench；Bearing oil return spacer ring position Between two neighbouring bearings；The top of bearing oil return spacer ring has an oil guide groove, oil guide groove towards A bearing above it；The bottom of bearing oil return spacer ring has No. two oil guide groove, and No. two oil guide groove are towards No. below Bearing；A number oil guide groove and No. two oil guide groove communicate；

Described table positions retaining mechanism includes locking cylinder, gear lock-bit bar, positioning tooth wheel rim；The cylinder body of locking cylinder It is arranged on table rest；Gear lock-bit bar one end is rotatably connected on table rest, and the other end cuts with scissors with the piston of locking cylinder Connect；Gear lock-bit bar has internal tooth；Described positioning tooth wheel rim is fixing on the table, and the periphery of positioning tooth wheel rim has External tooth, external tooth can be connected by disengaged with internal tooth；

Described vertical spindle assembly also includes that secondary chuck component, secondary chuck component are arranged on vertical shaft box；Secondary chuck component bag Include sub-folder head, inner cone chuck, pull bar, chuck hydraulic cylinder；Sub-folder head is parallel with Z axis, and the head of sub-folder head is down；Sub-folder head Head periphery be provided with the conical surface；Inner cone chuck is fixed on vertical shaft box；Having bellmouth in inner cone chuck, the hole wall of bellmouth is Taper, the head of sub-folder head is positioned in bellmouth, and the conical surface of sub-folder head coordinates with the hole wall of bellmouth；Pull bar is vertically arranged, its The bottom of one end and sub-folder head is fixed, and the piston rod of the other end and chuck hydraulic cylinder is fixed；

Described pillar parts also includes horizontal main axis assembly；Horizontal main axis assembly is positioned at the side of column, and it includes horizontal master Axle unit assembly, cross sliding board, ram；Cross sliding board is slidably connected with column, and can move in the Z-axis direction；Ram and ten Word slide plate slides connects, and can move in the Y-axis direction；Horizontal main axis unit block is arranged on ram, and it includes horizontal master Axle unit, horizontal main axis unit is parallel with Y-axis.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described brake embraces circle by left halfbody and right half Body forms；Left halfbody and right halfbody are oppositely arranged and are clipped in the middle by workbench, and the bottom of left halfbody and the bottom of right halfbody are fixed； The bottom of left halfbody and the bottom of right halfbody are fixed on table rest；Described left tabletting is fixedly installed on the top of left halfbody Portion, described right tabletting is fixedly installed on the top of right halfbody.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described table assembly also includes fast quick-mounting Clamp mechanism；Quick clamping mechanism includes oil cylinder installing plate, angling cylinder, capping, chuck；The middle part of workbench has workpiece and installs Chamber；Oil cylinder installing plate is fixed on table rest；Oil cylinder installing plate has No. two oilholes, No. two oilholes and bearing In assembly, the superjacent air space of a bearing of the top communicates；Angling cylinder is vertically arranged, and its cylinder body is fixed on oil cylinder installing plate On；Chuck is connected with angling cylinder, and chuck is vertically arranged, and the clamping hole of chuck communicates with workpiece installation cavity；Capping is installed In workpiece installation cavity, and it is connected with workbench.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: when a described bearing is at least two, And when being arranged in order from top to bottom, described bearing assembly also includes bearing inner spacer；Bearing inner spacer is fixedly set in work Outside pedestal, and between bearing oil return spacer ring and table rest, have between bearing inner spacer and bearing oil return spacer ring up and down The gap communicated, an oil guide groove and No. two oil guide groove are communicated by this gap.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described table positions retaining mechanism also wraps Include locking bar axle and No. three bearings；Locking bar axle is fixed on table rest；The inner ring suit of No. three bearings is fixed on locking bar axle, institute The gear lock-bit bar one end suit stated is fixed on the outer ring of No. three bearings.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described positioning tooth wheel rim is fixed on workbench Bottom, be positioned at the lower section of a bearing of bottom in bearing assembly；The top of positioning tooth wheel rim has No. three oil guide groove, and three Number oil guide groove is towards a bearing above it.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: the lateral surface of ram has inclined-plane.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described lathe bed assembly also include lower screw mandrel, Lower feed screw nut, lower screw mandrel drive motor；Lower screw mandrel is rotatably connected on lathe bed, and lower screw mandrel is parallel with Y-axis；Lower screw mandrel drives electricity Machine is arranged on lathe bed, and lower screw mandrel drives motor to be connected with lower screw mandrel, and lower screw mandrel can be driven to rotate；Lower feed screw nut and lower screw mandrel Connect；Described lower feed screw nut is fixed on the bottom of saddle.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described columns assemblies also includes a column Guide rail, column screw mandrel, column feed screw nut, a column screw mandrel drive motor, No. two column guide rails, No. two columns Screw mandrel, No. two column feed screw nuts, No. two column screw mandrels drive motor；A number column guide rail is fixed on the front of column, and and Z Axle is parallel；A number column screw mandrel is rotatably connected on the front of column, and parallel with Z axis；A number column screw mandrel drives motor and Number column screw mandrel connects, and a column screw mandrel can be driven to rotate；A number column feed screw nut is connected with a column screw mandrel；No. two Column guide rail is fixed on the side of column, and parallel with Z axis；No. two column screw mandrels are rotatably connected on the side of column, and and Z axis Parallel；No. two column screw mandrels drive motor and No. two column screw mandrels to connect, and No. two column screw mandrels can be driven to rotate；No. two column silks Stem nut and No. two column screw mandrels connect；Described vertical shaft box and a column guide rail are slidably connected, and with a column screw mandrel Nut is fixed；Described cross sliding board and No. two column guide rails are slidably connected, and fix with No. two column feed screw nuts.

Compositions of metal-working machines the most according to claim 1, it is characterised in that: described horizontal main axis assembly also includes sliding Pillow screw mandrel, ram feed screw nut, ram screw mandrel drive motor；Slide plate chute, slide plate chute and Y is had on described cross sliding board Axle is parallel；Ram screw mandrel is rotatably connected on cross sliding board, and parallel with Y-axis；It is sliding that ram screw mandrel drives motor to be arranged on cross On plate, ram screw mandrel drives motor to be connected with ram screw mandrel；Ram feed screw nut is connected with ram screw mandrel；Cunning it is fixed with on ram Pillow guide rail, ram gib is parallel with Y-axis；Ram gib is connected with slide plate slide；Ram is fixed with ram feed screw nut.