CN208929228U - A kind of depth drill main shaft - Google Patents

Abstract

The utility model discloses a kind of depth drill main shafts, packet central spindle, OZ25 knife handle interface, axle sleeve, high pressure oil hole and central spindle rotation stop hole, center position inside the axle sleeve is equipped with central spindle, and the both ends of central spindle all extend to the outside of axle sleeve, center position inside the central spindle is equipped with high pressure oil hole, OZ25 knife handle interface is fixed with inside the central spindle of high pressure oil hole one end, the surface of fixed plate is all equipped with bearing, gland is equipped at the top of the axle sleeve of one upper side of bearing, the convex chamber is equipped with whirlwind oil scupper far from the inside of synchronous pulley and flange side central spindle top, drainage hole is all equipped with below whirlwind oil scupper inside the axle sleeve of central spindle bottom end, the whirlwind oil scupper and drainage hole are equipped with labyrinth structure close to the central spindle surface of axle sleeve side.The utility model has not only prevented the abrasion between sealing element and central spindle, extends the service life of depth drill main shaft, and avoids the energy waste of depth drill main shaft.

Description

A kind of depth drill main shaft

Technical field

The utility model relates to spindle technology field, specially a kind of depth drill main shaft.

Background technique

The running accuracy and processing efficiency of main shaft influence the factory precision of whole equipment, the sealing of conventional master spindle bearing both ends For contact seal, easily makes main shaft central spindle and sealing lip abrasion in this way, the case where permeability occur；Dismantle OZ collet rather simultaneously Time-consuming, traditional structure is that two prospositions are milled on main shaft outer diameter as spanner detent, and two spanners is needed to use card when dismantling cutter Power could unclamp front OZ nut, because also above, this way is absolutely unsafe cutter；Conventional master spindle uses 4 bearings, one group of back Back is installed, and only by the dynamics in axial feed direction when such spindle processing, without cutting axial force very little when withdrawing, therefore in axis It holds and there is waste in quantity.

Utility model content

The purpose of this utility model is to provide a kind of depth drill main shafts, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of depth drill main shaft, packet central spindle, OZ25 Knife handle interface, axle sleeve, high pressure oil hole and central spindle rotation stop hole, the center position inside the axle sleeve are equipped with central spindle, and central spindle Both ends all extend to the outside of axle sleeve, the center position inside the central spindle is equipped with high pressure oil hole, high pressure oil hole one OZ25 knife handle interface is fixed with inside the central spindle at end, and the other end of OZ25 knife handle interface is connected with the inner sidewall of central spindle, institute It states and is all equipped with fixed plate inside the axle sleeve at central spindle both ends, the surface of fixed plate is all equipped with bearing, the axis of one upper side of bearing Set top is equipped with gland, is enclosed with convex chamber on the central spindle lateral wall at the axle sleeve both ends, the center position of convex chamber lateral wall is set There are synchronous pulley and flange, the convex chamber is equipped with whirlwind oil scupper far from the inside of synchronous pulley and flange side central spindle top, Drainage hole is all equipped with below whirlwind oil scupper inside the axle sleeve of central spindle bottom end, the whirlwind oil scupper and drainage hole are close to axle sleeve one The central spindle surface of side is equipped with labyrinth structure.

Preferably, the OZ25 knife handle interface is all equipped with central spindle rotation stop hole far from the high pressure oil hole two sides of central spindle one end.

Preferably, tail end is all equipped with inside the axle sleeve of one upper side of fixed plate to cover.

Preferably, the surface of the fixed plate is all equipped with bearing radiating structure, and the axis between adjacent bearing radiating structure Set is internal to be equipped with spacer ring.

Preferably, bearing lock nut is installed on the sleeve lining of the bearing side.

Preferably, rotary joint is installed inside central spindle of the high pressure oil hole far from OZ25 knife handle interface one end to connect Mouthful, and the other end of rotary joint interface is connected with the inner sidewall of central spindle.

Compared with prior art, the utility model has the beneficial effects that the depth drill main shaft is crossed in convex chamber far from synchronous belt The inside on wheel and flange side central spindle top sets whirlwind oil scupper, sets draining inside the axle sleeve of central spindle bottom end below whirlwind oil scupper Hole, whirlwind oil scupper and drainage hole set labyrinth structure close to the central spindle surface of axle sleeve side, realize depth drill main shaft to bearing Good protection, to prevent the abrasion between sealing element and central spindle, by height of the OZ25 knife handle interface far from central spindle one end Pressure oil through-hole two sides set central spindle rotation stop hole, realize the easy-to-dismount function of depth drill main shaft, to improve depth drill main shaft Safety, to extend the service life of depth drill main shaft, while bearing radiating structure is set by the surface in fixed plate, Fixed plate is set inside the axle sleeve at central spindle both ends, the surface of fixed plate sets bearing, the cost of depth drill main shaft has been saved, to avoid The energy waste of depth drill main shaft, the utility model have not only prevented the abrasion between sealing element and central spindle, have extended depth drill The service life of main shaft, and avoid the energy waste of depth drill main shaft.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of the utility model；

Fig. 2 is the schematic view of the front view of the utility model；

Fig. 3 is the side structure schematic view of the utility model；

Fig. 4 is the partial structural diagram of the utility model.

In figure: 1, central spindle；2, OZ25 knife handle interface；3, whirlwind oil scupper；4, labyrinth structure；5, axle sleeve；6, axle sleeve lockhole； 7, spacer ring；8, tail end covers；9, synchronous pulley and flange；10, convex chamber；11, rotary joint interface；12, bearing lock nut； 13, bearing radiating structure；14, fixed plate；15, high pressure oil hole；16, bearing；17, drainage hole；18, central spindle rotation stop hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of depth drill main shaft, including central spindle 1, OZ25 Knife handle interface 2, axle sleeve 5, high pressure oil hole 15 and central spindle rotation stop hole 18, the center position inside axle sleeve 5 are equipped with central spindle 1, and The both ends of central spindle 1 all extend to the outside of axle sleeve 5, and the center position inside central spindle 1 is equipped with high pressure oil hole 15, and high pressure oil is logical Hole 15 is equipped with rotary joint interface 11 inside the central spindle 1 far from 2 one end of OZ25 knife handle interface, and rotary joint interface 11 is another One end is connected with the inner sidewall of central spindle 1, convenient for connection, is fixed with OZ25 knife handle inside the central spindle 1 of 15 one end of high pressure oil hole Interface 2, and the other end of OZ25 knife handle interface 2 is connected with the inner sidewall of central spindle 1, OZ25 knife handle interface 2 is far from 1 one end of central spindle 15 two sides of high pressure oil hole be all equipped with central spindle rotation stop hole 18, it is easy to disassemble, inside the axle sleeve 5 at 1 both ends of central spindle all be equipped with fix Plate 14 is all equipped with tail end capping 8 inside the axle sleeve 5 of 14 1 upper side of fixed plate, is easy to use, the surface of fixed plate 14 is all equipped with Bearing radiating structure 13, and spacer ring 7 is equipped with inside the axle sleeve 5 between adjacent bearing radiating structure 13, it is convenient for oil leak, fixed plate 14 Surface be all equipped with bearing 16, bearing lock nut 12 is installed on 5 inner wall of axle sleeve of 16 side of bearing, be easy to use, bearing It is equipped with gland 6 at the top of the axle sleeve 5 of 16 1 upper sides, is enclosed with convex chamber 10 on 1 lateral wall of central spindle at 5 both ends of axle sleeve, outside convex chamber 10 The center position of side wall is equipped with synchronous pulley and flange 9, and convex chamber 10 is far from 1 top of synchronous pulley and 9 side central spindle of flange Inside is equipped with whirlwind oil scupper 3, and drainage hole 17, whirlwind row are all equipped with inside the axle sleeve 5 of 3 lower section central spindle of whirlwind oil scupper, 1 bottom end Oil groove 3 is equipped with labyrinth structure 4 close to 1 surface of central spindle of 5 side of axle sleeve with drainage hole 17.

Working principle: in use, when invading object outside and entering inside, labyrinth seal can be passed through first, labyrinth can obstruct big portion Divide or the outer of whole invades object, and have high pressure oil among this main shaft and pass through, is ejected on machined surface and is cut through cutter It is cooling, part cooling oil is had at sealing station before main shaft and is splashed down above, it is contemplated that whirlwind knot is added in existing operating condition, inside Structure cooperates annular groove to use, and when there is cooling oil to break through labyrinth structure 4, can be lived by the two anti-side bumpers with angle and flow into annular Slot, in-line arrangement water hole 17 are flowed out, thus effective protection bearing 16, for laborious, unsafe problem is dismantled, our company is before main shaft Design has central spindle rotation stop hole 18 in end bearing capping, has the through-hole of 2 diameters 11 can be with preceding end bearing central spindle rotation stop hole in central spindle Perforative state is formed, when operator needs to install or remove cutter, the disassembly stick of diameter 10 is inserted into central spindle rotation stop hole It is interior firmly to lock main shaft, then with once matched chuck key can fast and safely be installed or removed collet, Disassembly stick is taken out, dismounting is completed, first in view of the main shaft is drill press spindle, feed stress concentrates on front end in process On two angular contact ball bearings 16；When withdrawing because without cutting output, tail portion shaft strength be it is very faint, for this feelings Condition, the design use with tradition to, back to withdrawing direction, for bearing the chip-load of main shaft；Tail end uses a bearing, For preload needed for keeping the bearing of front two, to reach when required choosing turns precision and integral rigidity and undertakes withdrawing Axial force, the design save a bearing, reduce costs, and complete the work of depth drill main shaft.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of depth drill main shaft, including central spindle (1), OZ25 knife handle interface (2), axle sleeve (5), high pressure oil hole (15) and central spindle Rotation stop hole (18), it is characterised in that: the internal center position of the axle sleeve (5) is equipped with central spindle (1), and the both ends of central spindle (1) The outside of axle sleeve (5) is all extended to, the internal center position of the central spindle (1) is equipped with high pressure oil hole (15), and high pressure oil is logical OZ25 knife handle interface (2), and the other end and central spindle of OZ25 knife handle interface (2) are fixed with inside the central spindle (1) of hole (15) one end (1) inner sidewall is connected, and the axle sleeve (5) at central spindle (1) both ends is internal to be all equipped with fixed plate (14), the table of fixed plate (14) Face is all equipped with bearing (16), is equipped with gland (6) at the top of the axle sleeve (5) of (16) one upper side of bearing, axle sleeve (5) both ends Central spindle (1) lateral wall on be enclosed with convex chamber (10), the center position of convex chamber (10) lateral wall is equipped with synchronous pulley and flange (9), the convex chamber (10) is equipped with whirlwind oil scupper (3) far from the inside of synchronous pulley and flange (9) side central spindle (1) top, The axle sleeve (5) of central spindle (1) bottom end is internal below whirlwind oil scupper (3) is all equipped with drainage hole (17), the whirlwind oil scupper (3) with Drainage hole (17) is equipped with labyrinth structure (4) close to central spindle (1) surface of axle sleeve (5) side.

2. a kind of depth drill main shaft according to claim 1, it is characterised in that: the OZ25 knife handle interface (2) is far from axis High pressure oil hole (15) two sides of core (1) one end are all equipped with central spindle rotation stop hole (18).

3. a kind of depth drill main shaft according to claim 1, it is characterised in that: the axis of (14) one upper side of fixed plate It covers (5) internal tail end that is all equipped with and covers (8).

4. a kind of depth drill main shaft according to claim 1, it is characterised in that: the surface of the fixed plate (14) is all equipped with Bearing radiating structure (13), and spacer ring (7) are equipped with inside the axle sleeve (5) between adjacent bearing radiating structure (13).

5. a kind of depth drill main shaft according to claim 1, it is characterised in that: the axle sleeve (5) of bearing (16) side Bearing lock nut (12) are installed on inner wall.

6. a kind of depth drill main shaft according to claim 1, it is characterised in that: the high pressure oil hole (15) is far from OZ25 It is equipped with rotary joint interface (11) inside the central spindle (1) of knife handle interface (2) one end, and the other end of rotary joint interface (11) It is connected with the inner sidewall of central spindle (1).