Background technology
Bore hole is to forging, and cast out or the further processing of drilling bore hole, bore hole can expand aperture, improves precision, and reduce surface roughness, can also correct the deflection of original axially bored line preferably, therefore, bore hole plays an important role in machining.
In order to reduce the acquisition cost of boring machine, bore hole can utilize lathe to realize, for the horizontal lathe shown in Fig. 1, it mainly comprises lathe bed 101, headstock 102, tailstock 103 and lathe mop 104, headstock 102 and tailstock 103 are separately positioned on the two ends of lathe bed 101, headstock 102 is provided with the chuck 105 for holding workpiece, tailstock 103 is provided with the tailstock centre 106 for supporting workpiece, tailstock 103 can along the axial-movement between headstock 102 and tailstock 103, lathe mop 104 is arranged between headstock 102 and tailstock 103, can move between headstock 102 and tailstock 103.In prior art, when utilizing horizontal lathe bore hole, usually tailstock centre 106 is changed to boring cutter, piece-holder is rotated on chuck 105, realize the feed motion of boring cutter by promoting tailstock 103, and then complete bore hole.
But it is larger to adopt existing bore hole mode to add section chief's endoporus difficulty.Its reason is: to add section chief's endoporus by the mode of lengthened tool arbor, then the elongated poor rigidity that must cause knife bar of knife bar, and in process, knife bar vibrations are comparatively large, and cause machining accuracy not reach requirement, surface roughness is poor; To adopt the mode of segmental machining, first one end clamping of workpiece is added on chuck one end of section chief's endoporus, then the other end that long endoporus reprocessed by direction clamping is turned, the middle part joint of workpiece then must be caused to there is lapping defect, make crudy not high, in addition, in the mode of segmental machining, need clamping two subjob, length consuming time debugged by clamping, and working (machining) efficiency is lower.
Utility model content
The utility model embodiments provides a kind of frock utilizing horizontal lathe bore hole, to solve in prior art by the problem that lathe process long through-hole is second-rate, production efficiency is lower.
In order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
Utilize a frock for horizontal lathe bore hole, comprising:
For being clamped in the boring bar between chuck and tailstock centre, one end of described boring bar is provided with the boring bar square toes corresponding with described chuck, the center of the other end of described boring bar is provided with the centre bore corresponding with described tailstock centre, on described boring bar, along the axis direction perpendicular to described boring bar, be provided with boring cutter;
For being arranged on lathe mop, supporting the V-arrangement bracing or strutting arrangement of workpiece, described V-arrangement bracing or strutting arrangement comprises base plate, described base plate is arranged abreast two slide block groups, each slide block group comprises two slide blocks be oppositely arranged, described slide block opposed bottom is slidably connected, and forms V-arrangement supporting mouth between two slide blocks in each slide block group;
For the locking device of clamping of workpieces of locking at described V-arrangement bracing or strutting arrangement, described locking device comprises Work-sheet pressing plate, the two ends of described Work-sheet pressing plate are connected with described base plate by tie down screw, and described tie down screw, through described Work-sheet pressing plate, is fixed by lock nut.
Preferably, the center, end of described boring bar square toes is provided with corresponding centre bore top with the chuck in described chuck.
Preferably, described slide block is right angled triangle slide block, and a right-angle side and the described base plate of described right angled triangle slide block are slidably connected, and the hypotenuse of two right angled triangle slide blocks in described slide block group is oppositely arranged, and forms V-arrangement supporting mouth.
Preferably, described right angled triangle slide block is arranged on described base plate by slide block briquetting, described slide block briquetting is provided with T-slot, and it is protruding that described right angled triangle slide block and the right-angle side that described base plate is connected are provided with the T-shaped corresponding with described T-slot, and described T-shaped projection is embedded in described T-slot.
Preferably, the lateral surface of described slide block is also provided with the adjustment screw mandrel for regulating described slide position, and one end of described adjustment screw mandrel is connected by the lateral surface of screw thread with described slide block, and the other end is fixed on described base plate by regulating screw mandrel fixed block.
Preferably, described adjustment screw mandrel fixed block is bolted on described base plate by fixed block.
Preferably, described Work-sheet pressing plate is provided with V-shaped groove for fixation workpiece towards the one side of described base plate.
Preferably, described base plate is also provided with tie down screw holder, described tie down screw is connected with described tie down screw holder by a rotating dog.
Preferably, described boring bar has boring bar square hole, described boring cutter is arranged in described boring bar square hole.
From above technical scheme, a kind of frock of horizontal lathe bore hole that utilizes that the utility model embodiment provides is located by V-arrangement bracing or strutting arrangement, easy for installation, and location rapidly; And boring bar is arranged between chuck and tailstock, rigidity is strong, and beat little, Boring preciseness is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of horizontal lathe;
Fig. 2 is applied in the structural representation in horizontal lathe for frock that the utility model embodiment provides;
The boring bar schematic diagram that Fig. 3 provides for the utility model embodiment;
The structural representation of the V-arrangement bracing or strutting arrangement that Fig. 4 provides for the utility model embodiment and locking device;
The partial sectional view of the V-arrangement bracing or strutting arrangement that Fig. 5 provides for the utility model embodiment and locking device;
Symbol in Fig. 1-Fig. 5 is expressed as: 101-lathe bed, 102-headstock, 103-tailstock, 104-lathe mop, 105-chuck, 106-tailstock centre, 2-boring bar, 21-boring bar square toes, 22-boring bar square hole, 3-boring cutter, 4-workpiece, 5-V shape bracing or strutting arrangement, 51-base plate, 52-slide block, 53-slide block briquetting, 54-briquetting set bolt, 55-regulates screw mandrel fixed block, 56-fixed block bolt, and 57-regulates screw mandrel, 6-locking device, 61-tie down screw holder, 62-rotating dog, 63-lock nut, 64-tie down screw, 65-Work-sheet pressing plate.
Detailed description of the invention
Technical scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
Fig. 2 is applied in the structural representation in horizontal lathe for frock that the utility model embodiment provides, as shown in Figure 2, the frock of horizontal lathe bore hole that what the utility model embodiment provided utilize comprises the boring bar 2 for being clamped between chuck 105 and tailstock centre 106, one end of boring bar 2 is provided with the boring bar square toes 21 corresponding with chuck 105, boring bar square toes 21 are corresponding with the chuck of horizontal lathe, good clamping effect can be kept, avoid boring bar 2 in bore hole process to skid and rotate.But it should be pointed out that when chuck 105 is set to other shape, during as scroll chuck, the structure of boring bar square toes 21 should corresponding adjust, to adapt to the clamping requirement of chuck 105.The center of the other end of boring bar 2 is provided with the centre bore corresponding with tailstock centre 106, during use, boring bar square toes 21 are clamped on chuck 105, the other end of boring bar 2 is supported in centre bore by tailstock centre 106, make boring bar 2 be clamped between chuck 105 and tailstock 103, the two ends due to boring bar 2 have fixing, make the rigidity of boring bar 2 stronger, beating when carrying out bore hole little, good machining accuracy can be kept.
In addition, better effect is installed to reach, corresponding centre bore top with the chuck in chuck 105 is also provided with at the center, end of boring bar square toes 21, when mounted, first boring bar 2 is fixed between the top and tailstock centre 106 of chuck, then by chuck 105, boring bar square toes 21 is stepped up, avoid the step finding center when chuck 105 is fixed, install rapidly, and center accurately and reliably.
The boring bar schematic diagram that Fig. 3 provides for the utility model embodiment, as shown in Figure 3, the middle part of boring bar 2 is provided with boring bar square hole 22, the handle of a knife of boring cutter 3 embeds in boring bar square hole 22 and passes through screws tighten, boring cutter 3 is arranged along the axis direction perpendicular to boring bar 2, wherein the blade of boring cutter 3 is towards workpiece, is convenient to workpiece 4 when moving, realizes the stock removal action of boring cutter 3.
The frock that the utility model embodiment provides also comprises for being arranged on lathe mop 104, supporting the V-arrangement bracing or strutting arrangement 5 of workpiece 4, and for the locking device 6 of clamping of workpieces 4 of locking at V-arrangement bracing or strutting arrangement 5, the structural representation of the V-arrangement bracing or strutting arrangement that Fig. 4 provides for the utility model embodiment and locking device, the partial sectional view of the V-arrangement bracing or strutting arrangement that Fig. 5 provides for the utility model embodiment and locking device, the V-arrangement bracing or strutting arrangement 5 provided the utility model embodiment below in conjunction with Fig. 4 and Fig. 5 and locking device 6 are described in detail.
V-arrangement bracing or strutting arrangement 5 comprises base plate 51, and base plate 51 is arranged on lathe mop 104, drives V-arrangement bracing or strutting arrangement 5 to move by lathe mop 104.Base plate 51 is arranged abreast two slide block groups, each slide block group comprises two slide blocks be oppositely arranged 52, and slide block 52 opposed bottom 51 is slidably connected, and forms V-arrangement supporting mouth between two slide blocks 52 in each slide block group.In an advantageous embodiment, slide block 52 is right angled triangle slide block, one right-angle side of right angled triangle slide block is arranged on base plate 51 by slide block briquetting 53, be specially, a slide block briquetting 53 is symmetrical arranged respectively in the both sides of each right angled triangle slide block, slide block briquetting 53 is fixed on base plate 51 by briquetting set bolt 54, wherein, T-slot is formed between two symmetrically arranged slide block briquettings 53, the right-angle side be connected with base plate 51 at right angled triangle slide block is provided with the T-shaped projection corresponding with this T-slot, T-shaped projection is embedded in T-slot, right angled triangle slide block can be slided in T-slot, namely opposed bottom 51 slides.
Because the hypotenuse of two right angled triangle slide blocks in same slide block group is oppositely arranged, therefore, the bevel edge forming V-shape supporting mouth of two right angled triangle slide blocks, and when right angled triangle slide block moves in T-slot, V-arrangement supporting mouth correspondence widens or narrows, then when workpiece 4 is placed in V-arrangement supporting mouth, can be high by the position and center adjusting the position correspondence adjustment workpiece 4 of slide block 52.Such as, when V-arrangement supporting mouth widens, workpiece 4 position declines, and the center height of workpiece 4 reduces; When V-arrangement supporting mouth narrows, position rises workpiece 4, and the center height of workpiece 4 improves.
In the utility model embodiment, the position adjustment of slide block 52 realizes by regulating screw mandrel 57, be specially, one end of screw mandrel 57 is regulated to be connected with the lateral surface (side near base plate 51 outer rim) of slide block 52 by screw thread, the other end is fixed on base plate 51 by regulating screw mandrel fixed block 55, regulates screw mandrel fixed block 55 to be fixed on base plate 51 by fixed block bolt 56.During use, can pass through to rotate the adjustment screw mandrel 57 correspondence adjustment position of slide block 52 in T-slot, and then promotion workpiece 4 moves, position and the center of adjustment workpiece 4 are high.
Solid and reliable owing to must ensure that in bore hole process workpiece 4 is fixed, therefore, the utility model embodiment also provides a kind of locking device 6, for the top locking workpiece 4 from workpiece 4.Locking device 6 comprises Work-sheet pressing plate 65, and Work-sheet pressing plate 65 is arranged along the axial direction perpendicular to workpiece 4, and for being laterally pressed in the upside of workpiece 4, in order to reach better fixed effect, Work-sheet pressing plate 65 is provided with V-shaped groove towards the one side of base plate 51.A tie down screw 64 is respectively established at the two ends of Work-sheet pressing plate 65, and tie down screw 64 is positioned at the both sides of workpiece 4, and one end of tie down screw 64 is connected with base plate 51, and the other end, through Work-sheet pressing plate 65, is fixed by lock nut 63.Wherein, tie down screw 64 is connected with tie down screw holder 61 by a rotating dog 62, and tie down screw 64 can be swung by tie down screw holder 61 relatively, and tie down screw holder 61 is bolted or is welded on base plate 51.
Understand the technical program better for the ease of those skilled in the art, exemplary illustration is carried out in the use procedure that the frock provided below in conjunction with the utility model embodiment is applied in bore hole in horizontal lathe, and it mainly comprises the following steps:
Step 1: clamp boring bar 2 by chuck is top with tailstock centre 106, screw chuck 105 and make chuck 105 clamp boring bar square toes 21, boring bar 2 is fixed on lathe;
Step 2: be positioned at by workpiece 4 on V-arrangement bracing or strutting arrangement 5, regulates screw mandrel 57, slide block 52 position is changed, and then adjustment workpiece 4 center is consistent with lathe spindle pivot by rotating;
Step 3: be pressed in by Work-sheet pressing plate 65 on workpiece 4, makes tie down screw 64 through the screw at Work-sheet pressing plate 65 two ends simultaneously, realizes the fixing of workpiece 4 by locking lock nut 63 workpiece pressing pressure strip 65;
Step 4: mobile lathe mop 104 drives workpiece 4, moves on to the position near boring cutter 3, moves tailstock 103 simultaneously, make tailstock centre 106 withstand the centre bore of boring bar 2 by workpiece 4, locking tailstock 103;
Step 5: boring bar 2 rotates under the drive of chuck 105, lathe mop 104 drives workpiece 4 to move, thus realizes feeding and cutting movement.
Adopt aforesaid way to carry out bore hole, only need to install once for same workpiece, rapidly, working (machining) efficiency is higher in location; And being fixedly mounted between chuck and tailstock due to boring bar, the rigidity of boring bar can be guaranteed, and beat little, Boring preciseness is high.
In addition, because above-mentioned bore hole mode is that the frock utilizing the utility model embodiment to provide is applied on common horizontal lathe and realizes, therefore, its also tool have the following advantages: 1, the substantial contribution of investment reduction boring machine equipment; 2, make full use of existing equipment, make it to operate at full capacity, improve utilization rate of equipment and installations; 3, improvement cost is low, only need make a frock and boring bar 2; 4, simple and feasible, simple to operate.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only detailed description of the invention of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.