CN208713377U - A kind of lathe of vehicle mill one - Google Patents

Abstract

The utility model relates to machine tool fields, a kind of lathe of vehicle mill one is disclosed, including the first lathe bed, the second lathe bed, headstock, main shaft, cutter holder assembly, bistrique assembly, tailstock centre device, third lathe bed, side tool stand, side grinding stand, side tool post, side grinding frame, open center rest, closed center rest, side tool radial feed micro-adjusting mechanism, side grinding radial feed micro-adjusting mechanism, X-axis workpiece axial direction feed mechanism, Z1 axis side tool depth-feed mechanism and Z2 axis are ground depth-feed mechanism；Side tool stand, side grinding stand are respectively and fixedly installed to the two sides of the first lathe bed；Side tool post, side grinding frame are separately mounted to side tool stand, on side grinding stand；Cutter holder assembly, bistrique assembly are separately mounted to side tool post, on side grinding frame；Headstock, open and close formula centre frame and tailstock centre device are installed on third lathe bed；Third lathe bed is mounted on the second lathe bed；Second lathe bed is mounted on the first lathe bed.Utility model works are high-efficient, and precision is high, long service life.

Description

A kind of lathe of vehicle mill one

Technical field

The utility model relates to machine tool fields, more particularly to a kind of vehicle of workpiece lathe and grinding machine integral production is ground one Lathe.

Background technique

Lathe (English name: machine tool) refers to the machine of manufacture machine, also known as machine-tool or toolroom machine, practises Used upper abbreviation lathe.It is generally divided into Metal Cutting Machine Tool, forging machine tool and wood craft machines etc..Processing equipment in modern mechanical manufacturing There are many method of part: in addition to machining, there are also casting, forging, welding, punching press, extruding etc., as long as it is higher to belong to required precision With the thinner part of surface roughness requirements, generally all need to finally be processed on lathe with the method for cutting.Lathe is in state Significant role is played in the construction of people's economic modernization.

Lathe is that most wide one kind is used in machine-building and repair factory.Lathe is the main work with lathe tool to rotation The lathe of part progress turnery processing.Drill bit, reamer, reamer, screw tap, screw die and checkering tool etc. also can be used to carry out on lathe Corresponding processing.The advantages of lathe is mainly used for processing axis, disk, set and other workpiece with rotary surface, lathe is efficiency Height, the disadvantage is that can only two dimensional motion, precision is general but can meet most workpieces.

Grinding machine is the higher a kind of lathe of required precision to production workpiece, and grinding machine is to be carried out using grinding tool to workpiece surface Grinding.Most of grinding machine is to carry out grinding using high-speed rotating grinding wheel, and a small number of is using oilstone, abrasive band etc. Other grinding tools and free abrasive are processed, such as honing machine, superfinisher, abrasive belt grinding machine, grinder and polishing machine.Mill The advantages of bed is precision height.The disadvantage is that work efficiency is low, and is only suitable for plane, and cylinder, the high-precision processing of ball-type.

With the fast development of industrial machinery, to production capacity (the unit ability, operating rate of all kinds of mechanical equipments Deng) requirement it is also higher and higher, the requirement especially to hollow axle roller class roll shaft is higher and higher, it is desirable that the length of roll shaft constantly adds Long, linear velocity wants increasing, and the line pressure that can be born continues to increase, it is most important that the essence of Yao Tigao workpiece (especially spindle nose) Density guarantees the concentricity of entire spindle nose.

It is existing that vehicle is carried out to workpiece (including spindle nose, roll body seam allowance shelves, screw thread shelves, spindle nose drive gears, taper bearing guard etc.) The conventional method of mill processing has: (1) with center lathe or numerical control lathe wheeled litter system: center lathe is arranged manually by planker knife rest Angle is difficult to ensure precision for the taper of taper bearing guard and is difficult to reconditioning；Numerically controlled lathe numerical control Z, X-axis linkage vehicle system (the taper vehicle system moved diagonally to taper bearing guard), although can not achieve pair to the integrated vehicle system of simple spindle nose workpiece The grinding of spindle nose bearing guard；Both common bed and numerically controlled lathe are thick to spindle nose taper bearing guard surface and bearing junction Rugosity is also difficult to reach requirement.It (2) will be to the grinding of spindle nose either taper bearing guard, it is necessary to which the road Zhuan Xia grinding machine adds Work, and can have the following problems: 1. general-purpose grinder will try to set workpiece in the methods of taper clamping, and repair and set grinding wheel with respect to diameter The balance of machined surface needed for face and workpiece carries out reconditioning；2. numerically control grinder needs bistrique to walk except X, Z-axis linkage, it is also necessary to repair It is repaired if the grinding wheel conical surface needs the balance in face to carry out mill with workpiece；3. workpiece arrive greatly it is a certain amount of or it is small to it is a certain amount of when, Mo Tai and work Part and work support collision cannot be ground, and the size of lathe is difficult to take into account with spindle nose size；4. vertical upper spindle nose roll body seam allowance shelves, After the completion of screw thread shelves, spindle nose drive gears vehicle system, reconditioning taper bearing guard needs repeated clamping to tune up, to be accumulated manipulation joint damage The unstability precisely processed to spindle nose is consumed, it is same with taper bearing guard to affect roll body seam allowance shelves, screw thread shelves, spindle nose drive gears Heart degree, thus after affecting general assembly whole roller precision and service life.

Utility model content

For the problems of the prior art, the utility model provides a kind of lathe of vehicle mill one, lathe Gu Mingsi Justice is exactly to realize the machine tool structure for being fused into one lathe and grinding machine, has not only been provided with the high working efficiency of lathe, but also have The high-precision of grinding machine and high service life.

To realize the above technical purpose, the technical scheme adopted by the utility model is

A kind of lathe of vehicle mill one, including the first lathe bed, the second lathe bed, headstock, cutter holder assembly, bistrique assembly and tail Seat Finial device；Machine tool chief axis is equipped in the headstock；It is characterized in that: further including third lathe bed, side tool stand, side grinding frame Seat, side tool post, side grinding frame, open center rest, closed center rest, side tool radial feed micro-adjusting mechanism, the fine tuning of side grinding radial feed Mechanism, X-axis workpiece axial direction feed mechanism, Z1 axis side tool depth-feed mechanism and Z2 axis are ground depth-feed mechanism；The side tool Stand, side grinding stand are respectively and fixedly installed to the two sides of the first lathe bed；The side tool post is mounted on side tool stand；The side grinding frame It is mounted on side grinding stand；The cutter holder assembly is mounted on side tool post；The bistrique assembly is mounted on side grinding frame；The bed Head case, open center rest, closed center rest and tailstock centre device are installed on third lathe bed；The third lathe bed installation On the second lathe bed；Second lathe bed is mounted on the first lathe bed.

Preferred: the third lathe bed is mounted on the second lathe bed by positioning pin, taper modified gear.

The beneficial effects of the utility model are: the machine tool structure of the utility model can control the clearance amount of workpiece and ensure The very big faying face of bearing and the assembly of taper bearing guard, very big limit extend bearing service life, and easy to disassemble.

The utility model ensure that axis since the function of lathe and grinding machine to be incorporated into the machine tool structure of an entirety The first-class concentricity with roll body seam allowance shelves when integrated vehicle system is ground of head, bearing guard, bearing-transmission, to ensure that each workpiece Concentricity, while working strength is greatly reduced, it improves work efficiency.

Detailed description of the invention

Fig. 1, the schematic view of the front view of the utility model；

Fig. 2, the left view structural representation of the utility model；

Fig. 3, the overlooking structure diagram of the utility model.

Specific embodiment

In conjunction with attached drawing, the structure and specific embodiment of the utility model is described in detail, but not to the power of the utility model Benefit requires to do any restriction.

It as illustrated in the accompanying drawings from 1 to 3, is the structure composition schematic diagram of the utility model, the lathe of specifically a kind of vehicle mill one Composed structure schematic diagram, from the point of view of attached drawing, the lathe of the vehicle of the utility model mill one include the first lathe bed 1, the second lathe bed 2, Third lathe bed 3, headstock 4, side tool stand 5, side grinding stand 6, side tool post 7, side grinding frame 8, cutter holder assembly 9, bistrique assembly 10, tail Seat Finial device 11, closed center rest 12, open center rest 13, side tool radial feed micro-adjusting mechanism 14, side grinding radial feed are micro- Regulating mechanism 15, X-axis workpiece axial direction feed mechanism 18, Z1 axis side tool depth-feed mechanism 19 and Z2 axis are ground depth-feed mechanism 20；Machine tool chief axis is equipped in the headstock 4；The side tool stand 5, side grinding stand 6 are respectively and fixedly installed to the first lathe bed 1 Two sides；The side tool post 7, side grinding frame 8 are separately mounted to side tool stand 5, on side grinding stand 6；The cutter holder assembly 9, bistrique are total Side tool post 7 is separately mounted to, on side grinding frame 8 at 10；The headstock 4, closed center rest 12, open center rest 13 and tailstock Finial device 11 is installed on third lathe bed 3；The third lathe bed 3 is mounted on the second lathe bed 2；Second lathe bed 2 is pacified On the first lathe bed 1.

The structure of advantageous embodiment has: the third lathe bed 3 is mounted on second by positioning pin 16, taper modified gear 21 On body 2.

Working principle: at work, second lathe bed 2 is mounted on the first lathe bed 1 of main lathe bed by linear guide, And made by X-axis workpiece axial direction feed mechanism 18 third lathe bed 3, headstock 4, closed center rest 12, open center rest 13 with And tailstock centre device 11 makees the axial movement of vehicle, mill together with workpiece 17 together.

By 16 relative positioning of positioning pin on the second lathe bed 2, the other end is conjugated by taper for described 3 one end of third lathe bed Mechanism 21 can make Z-direction (i.e. horizontal direction) reciprocal deflection, so that the axis of third lathe bed 3 and the second lathe bed 2 is generated angle, be indexed to Behind required position, additional pressing plate is fixed on third lathe bed 3 on the corresponding location point of second lathe bed 2.

The side tool radial feed micro-adjusting mechanism 14 be for quickly it is precise and tiny to knife, it is precise and tiny modification workpiece 17 turning diameter Control amount.The side grinding radial feed micro-adjusting mechanism 15 be for grinding work in workpiece 17 be ground it is micro- into it is micro- move back it is quick Operation control.

At work, Z1 axis side tool depth-feed mechanism 19 and side tool post 7 carry 14 He of side tool radial feed micro-adjusting mechanism Cutter holder assembly 9 is used cooperatively, and when starting vehicle, is first clamped workpiece 17, after side tool post 7 is then installed knife, is led to Fine tuning is crossed to knife (workpiece radial direction penetration of a cutting tool control amount), Z1 shaft position system can be made to set the absolute value of readings 0, system of processing is defeated Enter data and saves cumbersome conversion, the significantly concise instruction programming input of each shelves radial direction of entire workpiece, while more easily by Side tool radial feed micro-adjusting mechanism 14 manipulates precision, the numerical control processing manipulation especially suitable for non-high-volume (or single) workpiece.

At work, Z2 axis grinding depth-feed mechanism 20 and side grinding frame 8 carry 15 He of side grinding radial feed micro-adjusting mechanism Bistrique assembly 10 is ground situation according to workpiece 17 when starting grinding in real time, immediately to stock removal when being ground (workpiece is radial) The control of control and final grinding value.

The integrated machine tool of the utility model sets Che Zhi mechanism on one side, and another side sets grinding mechanism, realizes that vehicle grinds clamped one time, Eliminate secondary clamping bring accumulated error；And taper is processed using taper modified gear so that vehicle grinder make it is simple, Precisely, reliably；Taper vehicle system to workpiece 17 is changed to linear vehicle system by the lathe, and taper grinding is changed to straight line grinding, so that right The processing technology of workpiece becomes simply, and grinding wheel flour milling is fine, and grinding accuracy is high；The gear that workpieces processing 17 is required without taper is then It need not conjugate, i.e., the axis of third lathe bed 3 is overlapped (lathe initialization is just set) with the axis of the second lathe bed 2；Such as work Part 17 wants vehicle grinding core degree gear, i.e., the taper ratio of vehicle taper is wanted according to workpiece 17, is conjugated by taper modified gear 21, to work The taper vehicle mill of part 17 is changed to linear vehicle mill, and the axis of three lathe bed 3 of the mat woven of fine bamboo strips is made to be indexed to axis angle and workpiece with the second lathe bed 2 Taper matches, that is, the conical surface of wanted vehicle mill is parallel with the axis of the second lathe bed 2.

The lathe of the utility model vehicle mill one, changes the linkage pattern of numerically controlled lathe Z axis and X-axis, and vehicle grinds performance more It is good；It can not only guarantee that workpiece (spindle nose, bearing guard, bearing-transmission head etc.) is same when integrated vehicle system is ground with roll body seam allowance shelves Heart degree, and can guarantee the concentricity of each workpiece, while greatly reducing working strength, it improves work efficiency, extends The service life of workpiece, the disassembly simple and compact for structure convenient for workpiece.

It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality Within novel protection scope.

Claims (2)

1. a kind of lathe of vehicle mill one, including the first lathe bed (1), the second lathe bed (2), headstock (4), cutter holder assembly (9), mill Head assembly (10) and tailstock centre device (11)；Machine tool chief axis is equipped in the headstock；It is characterized in that: further including third lathe bed (3), side tool stand (5), side grinding stand (6), side tool post (7), side grinding frame (8), closed center rest (12), open center rest (13), side tool radial feed micro-adjusting mechanism (14), side grinding radial feed micro-adjusting mechanism (15), X-axis workpiece axial direction feed mechanism (18), Z1 axis side tool depth-feed mechanism (19) and Z2 axis grinding depth-feed mechanism (20)；The side tool stand (5), side grinding Stand (6) is respectively and fixedly installed to the two sides of the first lathe bed (1)；The side tool post (7) is mounted on side tool stand (5)；The side Mill frame (8) is mounted on side grinding stand (6)；The cutter holder assembly (9) is mounted on side tool post (7)；The bistrique assembly (10) It is mounted on side grinding frame (8)；The headstock (4), closed center rest (12), open center rest (13) and tailstock centre device (11) it is installed on third lathe bed (3)；The third lathe bed (3) is mounted on the second lathe bed (2)；Second lathe bed (2) It is mounted on the first lathe bed (1).

2. the lathe of vehicle mill one according to claim 1, it is characterized in that: the third lathe bed (3) passes through positioning pin (16), taper modified gear (21) is mounted on the second lathe bed (2).