A kind of drill centers device
Technical field
Type of the present invention relates to the mechanical processing machine technical field, is specifically related to the centre bore special purpose machine tool.
Background technology
In the man-hour that adds of carrying out axial workpiece, often need be on part end face drill centers, the method for boring is varied, wherein adopting the centre bore special purpose machine tool is the higher a kind of method of efficient and quality.But traditional special purpose machine tool is subject to the mode of being installed and lathe bed size, can't satisfy the drill centers operation of large scale, many specifications part.
Summary of the invention
The purpose of this invention is to provide a kind of drill centers device that can satisfy the drill centers operation needs of large scale, many specifications part.
Drill centers device provided by the invention comprises centre bore hitting machine, lowering or hoisting gear, material drag car, guide rail, and said centre bore hitting machine is fixed on the said lowering or hoisting gear, and said retainer car can slide on said guide rail; Through regulating the height of lowering or hoisting gear, can regulate the height that bores center machine on the lowering or hoisting gear, thereby can carry out the operation of drill centers the workpiece of different-diameter on the material drag car.
Further; Described centre bore hitting machine comprises bearing, bearing block, splined shaft, shifting axle bearing sleeve, bearing, bearing holder (housing, cover), chuck, drill chuck, motor; Said bearing block is fixed on the said bearing, and said splined shaft is slidingly mounted in the bearing holder (housing, cover) of bearing block rear and front end, and said bearing holder (housing, cover) passes through bearing fixing at bearing block head and the tail two ends; Said shifting axle bearing sleeve is fixed on the splined shaft in the said bearing block; Said drill chuck is installed in the front end of said splined shaft, on the bearing holder (housing, cover) of said bearing block rear end big belt wheel is installed, and said motor is fixed on the bearing; The small pulley of installing on the motor reel links to each other through the big belt wheel that belt and bearing block rear end bearing put, and said chuck is positioned at said bearing block front end, its center line and splined shaft center line and coincides, gives prominence to the front portion that is fixedly mounted on bearing.
Further; On the horizontal radial at the bearing block middle part of described centre bore hitting machine shift fork is installed; Said shift fork one end is connected with the interior shifting axle bearing sleeve of bearing block through the through hole of axis direction on the bearing block wall, and the other end is connected with the handle that is fixed on bearing block one side; When holing, press handle, the power of people's input turns to through fork and is horizontal direction, and passes to splined shaft through bearing, shifting axle bearing sleeve, thereby accomplishes horizontal feed; Because the impedance during boring generally is first big after small big again process; Resistance feeds back to the people who acts on the handle through feed system; The people can adjust the resistance feedback through dynamics, speed, dwell time that adjustment presses down handle, thus the purpose that reaches laborsaving, economizes drill bit; And need to repair the position of grinding, hole far away or when wanting ream operation from end face when existing centre bore, often needs quick roughing feed, long distance motion, and this moment, handle can the disposable fast end that is pressed onto, thus the disposable roughing feed that carries out of drive splined shaft.
Further, the bearing block top of described centre bore hitting machine is equipped with hanger; When workpiece is deposited in that inconvenience is moved together; Available balance crane hangs centre bore hitting machine (because hanger is arranged); And directly block workpiece end (chuck obviously give prominence to bearing anterior) with chuck, can under the situation of not moving workpiece, carry out flexibly, drilling operation easily.
Further; Described lowering or hoisting gear comprises underframe, supporting plate, adjusting leading screw, revolves rod, screw, lead, guiding screw pole; Said screw is fixed on the underframe center, and four jiaos of diagonal positions of underframe are fixed with two guide pin bushings, and another diagonal position leaves two through holes; Said adjusting leading screw is fixed under the supporting plate through screw; Be inserted with the described rod that revolves in the boring of said adjusting leading screw afterbody, two leads are fixed under the supporting plate through guide pin bushing, and two guiding screw poles are fixed under the supporting plate through through hole; Be matched in clearance between lead and the guide pin bushing endoporus, lead can only move along guide pin bushing endoporus center position, thereby plays the function of in the vertical direction guiding, and guiding screw pole can limit the flip horizontal of top board, plays the function of auxiliary guiding.
Further, described adjusting leading screw is that trapezoidal thread is connected with screw, can play the self-locking action of regulating leading screw and screw.
Further, described guiding screw pole is provided with nut, can play latched position.
Further, described adjusting leading screw afterbody has four borings, and bore direction is staggered, when revolving group's rotating threaded shaft with weak point, can insert neatly in the different holes, and rotational angle improves the efficient when regulating apace.
Further, described material drag car comprises vehicle frame, is fixed on the wheel on vehicle frame four pin and is connected the vee-block on the vehicle frame.
Two vee-blocks are arranged on the vehicle frame according to the invention, be connected on the vehicle frame through screwed hole, the screwed hole on the vehicle frame has 5 pairs or 6 pairs; Number specifically is set certainly to be set as required and puts; Select the screwed hole of diverse location can regulate two distances between the vee-block, and, also can use the vee-block of corresponding size instead according to processing work diameter difference; Vee-block plays the location workpiece, can hold up the workpiece of length 200-3000 millimeter, diameter 50-300 millimeter.
The present invention adopts the combined type design, when each parts is complete, applicable to processing mode in enormous quantities, the special station of special messenger, increases work efficiency greatly.And when only using these parts of centre bore hitting machine separately, can under the situation of not moving workpiece, process, flexibly, conveniently part.Can be efficiently, reliably axial workpiece is carried out the drill centers operation, improved operating efficiency, quality and the scope of application.
Description of drawings
Fig. 1 is the structural representation of the drill centers device that provides of the embodiment of the invention.
Fig. 2 is the centre bore hitting machine structural representation of the drill centers device that provides of the embodiment of the invention.
Fig. 3 is the cutaway view of the centre bore hitting machine of the drill centers device that provides of the embodiment of the invention.
Fig. 4 is the vertical view of the centre bore hitting machine of the drill centers device that provides of the embodiment of the invention.
Fig. 5 is the left view of the drill centers device that provides of the embodiment of the invention.
The object of the invention, function and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
A kind of drill centers device as shown in Figure 1, that the embodiment of the invention provides, it comprises centre bore hitting machine 1, lowering or hoisting gear 2, material drag car 3 and guide rail 4.Wherein, centre bore hitting machine 1 is fixed on the lowering or hoisting gear 2, and lowering or hoisting gear 2 fixes on the ground; Wheel 32 on vehicle frame 31 4 pin of material drag car 3 can slide on guide rail 4, and guide rail 4 fixes on the ground, is connected with vee-block 33 on the vehicle frame 31; Vee-block 33 is fixed on the vehicle frame 31 through screwed hole; Screwed hole on the vehicle frame 31 can be 5 pairs or 6 pairs, number specifically is set certainly sets as required and put, and can locate workpiece 10 on the vee-block 33.
Like Fig. 2, Fig. 3, shown in Figure 4, a kind of drill centers device that the embodiment of the invention provides, its centre bore hitting machine comprises bearing 11, bearing block 12, splined shaft 13, shifting axle bearing sleeve 15, bearing 16, bearing holder (housing, cover) 19, chuck 17, drill chuck 18, motor 14.Wherein, Bearing block 12 is fixed on the bearing 11; Splined shaft 13 is slidingly mounted in the bearing holder (housing, cover) 19 of bearing block 12 rear and front ends; Bearing holder (housing, cover) 19 is fixed on bearing block 12 head and the tail two ends through bearing 16, and shifting axle bearing sleeve 15 is fixed on the splined shaft 13 in the bearing block 12, and drill chuck 18 is installed in the front end of splined shaft 13; Big belt wheel 113 is installed on the bearing holder (housing, cover) 19 of bearing block 12 rear ends; Motor 14 is fixed on the bearing 11, and 14 on motor is gone up the small pulley of installing 112 and linked to each other with the big belt wheel 113 that bearing block 12 rear end bearings overlap on 19 through belt 117, and chuck 17 is positioned at bearing block 12 front ends, its center line and splined shaft 13 center lines and coincides, gives prominence to the front portion that is fixedly mounted on bearing 11.On the horizontal radial at bearing block 12 middle parts shift fork 111 is installed, shift fork 111 1 ends are connected with bearing block 12 interior shifting axle bearing sleeves 15 through the through hole 118 of axis direction on bearing block 12 walls, and the other end is connected with the handle 114 that an end is fixed on bearing block 12 bottoms.In addition, bearing block 12 tops are equipped with hanger 115.
A kind of drill centers device as shown in Figure 5, that the embodiment of the invention provides, its lowering or hoisting gear comprise underframe 21, supporting plate 22, regulate leading screw 24, revolve rod 29, screw 23, lead 27, guide pin bushing 28, guiding screw pole 26; Screw 23 is fixed on underframe 21 centers; 21 4 jiaos of diagonal positions of underframe are fixed with two guide pin bushings 28, and another diagonal position leaves two through holes, and said adjusting leading screw 24 is fixed on supporting plate 22 times through screw 23; Be inserted with in the boring of adjusting leading screw 24 afterbodys and revolve rod 29; Two leads 27 are fixed under the supporting plate through guide pin bushing 28, and two guiding screw poles 26 are fixed on supporting plate 22 times through through hole, and guiding screw pole 26 is provided with nut 25.
The operation principle of drill centers device provided by the invention is: when the end face drill centers at workpiece; Length according to workpiece 10; (screwed hole on the vehicle frame 31 has 5 pairs or 6 pairs to regulate distance between two vee-blocks 33 at the screwed hole of selecting diverse location on the vehicle frame 31 of material drag car 3; Certainly specifically be provided with number can also set as required put), be placed on the vee-block 33 location to workpiece 10, and suitable centre drill 116 insertion drill jigs 18; Revolve rod 29 on the rotating lifting gear 2, the height that leading screw 24 is adjusted the centre bore hitting machine 1 that is fixed on the supporting plate 22 is regulated in turn, and leading screw 24 is regulated in group's 29 turns of revolving that begin available weak point; Can insert neatly and regulate in the different boring of leading screw 24 afterbodys, rotational angle improves the efficient when regulating apace; When the workpiece 10 on centre bore hitting machine height and the material drag car 3 highly near the time; Can use instead and long revolve the height that rod 29 is accurately regulated centre bore hitting machine, and slip retainer car 3 adjusts distance, chuck 17 and workpiece 10 are aligned; And by chuck 17 chuckings, thereby realize that workpiece is installed; Open motor 14; Move handle 114 to workpiece 10 directions, the fork 111 that the power of people's input drives through handle 114 turns to and is horizontal direction, and passes to splined shaft 13 through bearing 16, shifting axle bearing sleeve 15; Thereby completion horizontal feed; Make centre drill 116 pierce workpiece 10, move handle 114 after pressurize a period of time again and make centre drill 116 withdraw from workpiece 10, thus the operation of completion drill centers.
Certainly, if workpiece is deposited in when being inconvenient to move together, can use the centre bore hitting machine 1 of drill centers device separately; Hang the hanger 115 on the centre bore hitting machine 1 with balance crane; The centre bore hitting machine of slinging 1 is directly blocked workpiece end (because chuck 17 is obviously given prominence in bearing 11 front portions) to the workpiece correct position with chuck 17, opens motor 14; Move handle 114 to the workpiece direction; Make centre drill 116 pierce workpiece, move handle 114 after pressurize a period of time again and make centre drill 116 withdraw from workpiece, accomplish the operation of drill centers.Thereby can under the situation of not moving workpiece, carry out flexibly, drilling operation easily, increase work efficiency.
Need be installed on workpiece on the lathe bed with respect to other, workpiece size is subject to the special purpose machine tool of lathe bed hemi-closure space, and the present invention is an open space owing to the retainer car, and adopts and can change the V-block location, but has improved the size range of processing parts greatly; Simultaneously, the present invention adopts the combined type design, applicable to processing mode in enormous quantities, the special station of special messenger, increases work efficiency greatly; And can use these parts of centre bore hitting machine separately; Can under the situation of not moving workpiece, process part; Flexibly, conveniently, can be efficiently, reliably axial workpiece is carried out the drill centers operation, improved operating efficiency, quality and the scope of application.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.