CN206084371U - Turnning and milling ware assembly - Google Patents

Abstract

The utility model provides a turnning and milling ware assembly, including fixing base and milling cutter instrument, milling cutter instrument approved car cutter head embedding assembly inslot, the milling cutter instrument include transmission main shaft, chuck nut and stop gear, the side of transmission main shaft is equipped with the multiple main shaft recess, stop gear include the gag lever post, the gag lever post closes mutually with the main shaft recess soon and relative drive mechanism reciprocates, chuck nut and transmission main shaft be equipped with screw thread, accessible screw thread detachably assembled. The utility model discloses whole small, light in weight is moreover owing to use chuck spiral shell cap clip to hold the cutter to reaching match adjustment precision such as using the bearing clearance nut, can ensureing that the fault rate is low, accuracy life is high. And turnning and milling head department adopts assembly groove and built -in manner to connect, guarantees positioning accuracy, can realize the quick assembly disassembly adjustment, can not be influential to speed and convenient degree demand when changing the outfit other lathe tools, and the user that is more convenient for uses.

Description

A kind of Milling device assembly

Technical field

The present invention relates to milling cutter field, is related specifically to a kind of assembly structure of Milling device.

Background technology

Keyseat must be wanted after most of metallic roller or rubber roller lathe processing.There are 2 kinds of methods at present to this processing, 1. dismount To milling machine, this will take time to carry out messenger and aligning roller, in this way big workpiece also to hang it is monolateral, due to processing big workpiece and monolateral Weight than milling machine weight, it is easy to cause danger；2. large-sized gantry milling is used, its high cost, and also process velocity is excessively slow, its needs Demolition, installation, the operation such as hang, correct, processing loaded down with trivial details.For axially processing, when end-face hole is processed, the big roller of metal is heavier, in The roll surface wearing of heart frame is more, and center is also partial to more；And the big roller of digging internal bore groove metal current then can without any processing machine Rapid processing herein, can only install manual index dial processing, if aperture is bigger, deeper, process velocity additional to small workpiece on milling machine It is then slower.

The content of the invention

The technical problem to be solved in the present invention is to provide one kind and ensures that fault rate is low, and accuracy life is high and high in machining efficiency Milling device assembly.

It is achieved through the following technical solutions above-mentioned purpose：

A kind of Milling device assembly, the fixed seat fixed including the tool holder with lathe and milling cutter tools, fixed seat is provided with Fitting recess, described milling cutter tools in the embedded fitting recess of turnning and milling head by interfixing；Described milling cutter tools include driver Structure, chuck nut and position-limit mechanism, described transmission mechanism includes transmission main shaft, and the side of transmission main shaft is provided with multiple depressions Main shaft groove, each main shaft groove spaced set, described position-limit mechanism includes gag lever post, the outer side edges of gag lever post with it is described Main shaft groove mutually screw, and gag lever post is moved up and down with respect to transmission main shaft；Described chuck nut medial surface is provided with internal thread, Lateral surface at the top of transmission main shaft is provided with external screw thread, and described chuck nut is removable by internal thread and external screw thread with transmission main shaft Unload occlusion.

Used as further describing to a kind of above-mentioned Milling device assembly, described transmission mechanism also includes bearing outer ring, axle Inner ring, bearing roller and bearing clearance nut are held, described bearing inner race is placed on the lateral surface in the middle part of transmission main shaft, described Bearing clearance nut is placed in the center of bearing inner race, and bearing outer ring is placed on the outside of the bearing inner race, and bearing roller is placed in Between described bearing outer ring and bearing inner race, bearing inner race is moved linearly by bearing roller along transmission main shaft.

As further describing to a kind of above-mentioned Milling device assembly, described chuck nut include milling cutter, nut and Collet, described milling cutter is inserted in collet and interfixes with collet, and the top of the collet sets The outer draw-in groove without leave for having draw-in groove, collet is gradually reduced to bottom, and the card key being engaged with draw-in groove, bullet are provided with the inside of nut Spring chuck is mutually twisted by card key with described nut.

Used as further describing to a kind of above-mentioned Milling device assembly, described position-limit mechanism also includes axis flange collar nut With the axis spring of the gag lever post of resetting, described axis flange collar nut mutually screws and is embedded in described main shaft with gag lever post In groove, import main shaft groove along chute by spacing lever linkage axis flange collar nut and move up and down, described axis spring is located at The bottom of gag lever post.

Used as further describing to a kind of above-mentioned Milling device assembly, position-limit mechanism also includes self-locking spring and self-lock pin, Described self-locking spring is connected with self-lock pin, and described gag lever post side is provided with self-locking grooves, and the self-lock pin stretches into self-locking grooves Interior and gag lever post mutually locking.

The invention has the beneficial effects as follows：Assembly overall volume is little, lightweight, and due to clamping cutter using chuck nut Prevent from skidding, and main shaft precision is adjusted for high impact forces are coordinated using bearing clearance nut etc., improve machining accuracy and protect Shield milling cutter tools moment is split and collapses, while in the case of excessive tight fit and frictional heat increase suddenly, reversing bearing clearance nut to enter And adjust moderate, it is ensured that fault rate is low, the high accuracy high life.Connected using fitting recess and embedded mode at turnning and milling head, it is ensured that Precision, can realize fast assembling-disassembling, and to changing the outfit other lathe tool speed and demand does not have too much influence.For convenience Change milling cutter tools, increase position-limit mechanism, gag lever post twist when, spring be subject to compression limit bar depart from self-lock pin. hand decontrol because Spring torsion and reset gag lever post, during Rotation With Changing knife chuck nut, by the elastic force of the axis spring of axis flange collar nut, automatically Head in the recessed circle of main shaft, block main shaft and positioned, change the outfit cutter, depress the interlocked limited bar of hand pressure after changing the outfit, self-lock pin because Spring force and lock self-locking grooves automatically, you can operating processing.The structure takes into account safety with convenience.In terms of driving, then adopt Series excitation type motor coordinates rotor and gear to realize effectively transmission, while in order to prevent from artificially forgetting to be pressed into gag lever post self-locking state. Milling cutter tools main shaft thus directly initiate motor and cause to burn, start using half-wave, and effective detection overload reaches and is automatically stopped Rotate, it is bad to protect motor for preventing to stop loss.

Description of the drawings

Fig. 1 is the structural representation that milling cutter tools are combined with fixed seat；

Fig. 2 is the cross section structure figure of milling cutter tools；

Fig. 3 is the cross section structure figure of chuck nut；

Fig. 4 is the structure chart of position-limit mechanism；

Fig. 5 is the top view that milling cutter tools are combined with fixed seat.

Specific embodiment

The present invention is further described below in conjunction with accompanying drawing：

The direction term being previously mentioned in following examples, such as " upper and lower, left and right " they are only the directions of refer to the attached drawing, because This, the direction term for using is for illustrating not for limiting the present invention.

As Figure 1-5, a kind of Milling device assembly, the fixed seat 2 fixed including the tool holder 1 with lathe and milling cutter work Tool 3, fixed seat is provided with fitting recess, and described milling cutter tools 3 are embedded in fitting recess by turnning and milling head 4 and are interfixed；Described milling The Knife tool 3 includes transmission mechanism 5, chuck nut 6 and position-limit mechanism 7, and described transmission mechanism includes transmission main shaft 51, transmission The side of main shaft 51 is provided with the main shaft groove 52 of multiple depressions, and each spaced set of main shaft groove 52, described position-limit mechanism 7 is wrapped Include axis spring 73, hand and reverse handle 77, hand pressure 78, gag lever post 71, gag lever post 71 moves up and down, its with gag lever post on axis Screw between flange collar nut 72, described gag lever post is moved along sliding groove 79, axis flange collar nut 72 and main shaft groove can be made 52 are separated from each other；The described medial surface of chuck nut 6 is provided with internal thread 61, and the lateral surface at the top of transmission main shaft 51 is provided with external screw thread 62, described chuck nut 6 is detachably engaged with transmission mechanism by internal thread 61 and external screw thread 62, and it changes or tear open needing When unloading knife, handle 77 is reversed by hand and twists gag lever post 71, self-locking spring 74 is compressed and makes gag lever post 71 depart from self-lock pin 75, Reset because of spring torsion when hand is decontroled, gag lever post simultaneously interlocks axis flange collar nut 72, wrench is with the dynamic chuck nut of slow-speed 6, by means of moving axis flange collar nut 72 in the power of axis spring 73, the axis flange collar nut import main shaft groove 52 along sliding groove 79 and Block, be effectively mutually clamped with transmission main shaft and dismount milling cutter tools.For the driving of transmission main shaft, it adopts series excitation type motor Rotor and gear is coordinated to realize transmission, while in order to prevent from artificially forgetting to lock milling cutter tools, directly initiating motor and causing electricity Machine burning is ruined, and by starting using half-wave, and installs the mode that DC capacitor is parallel to shell coil, compensates the deficiency of low speed torsion And realize, in Half Speed operation processing overload protection, effectively monitoring and be automatically stopped rotation, it is bad to protect motor for preventing to stop loss.

As further describing to a kind of above-mentioned Milling device assembly, described transmission mechanism 5 also include bearing outer ring 53, Bearing inner race 54, bearing roller 55, the outer circular washer 58 between two tapered roller bearings and bearing clearance nut 56, Described bearing inner race 54 is placed on the lateral surface at the middle part of transmission main shaft 51, and described bearing clearance nut 56 is placed in bearing inner race 54 Center, bearing outer ring 53 is placed on the outside of the bearing inner race 54, and bearing roller 55 is placed in described bearing outer ring and axle Hold between inner ring, bearing inner race 54 is moved linearly by the relative transmission main shaft 51 of bearing roller 55.By clearance nut, can adjust The clearance of clearance, working gap and outer ring blowout patche and bearing roller abrasion is installed, when milling cutter tools are easy to collapse knife, can be carried out Clearance is adjusted, during to produce overheated may determine that of heat be excessive tight fit, the clearance nut in the case of excessively compressing by Main shaft conduction causes the heat for generating heat, the reversible clearance nut to promote bearing by the inertia of main shaft spring 57 of clearance nut The space of inner ring and ejection clearance nut, to adjust the spacing of bearing inner race 54, make the bearing life more permanent in outside, work as tune When clearance nut on section main shaft is rotated forward for torsion, bearing inner race 54 will passively be moved to and bearing roller phase mutual connection Touch, at the same relative main thus axial movement, in moving process, by arrange bearing roller, main shaft precision can be allowed more It is high.

Used as further describing to a kind of above-mentioned Milling device assembly, described chuck nut 6 (can also including milling cutter 63 Boring cutter, drill bit), nut 64 and collet 65, described milling cutter 63 is inserted in collet 65 and and collet Interfix, the top of the collet 65 is provided with draw-in groove, and the outer draw-in groove without leave of collet is gradually reduced to bottom, nut 64 inner side is provided with the card key being engaged with draw-in groove, and collet is interfixed by card key with described nut 64.The chuck When nut coordinates with transmission main shaft, it is engaged using internal and external threads, makes dismounting more simple, and the milling cutter tools of the present invention can be It is complete to be convenient for changing, when the inside milling cutter of chuck nut is changed, it is only necessary to pull out milling cutter 63 and pull lower spring chuck, more commutation After answering the milling cutter 63 of size and the collet of pairing, by collet jacking nut, and milling cutter is inserted, it is dismounted It is convenient.

Used as further describing to a kind of above-mentioned Milling device assembly, described position-limit mechanism 7 also includes axis flange collar spiral shell Mother 72 and the axis spring 73 of the gag lever post 71 that resets, described axis flange collar nut 72 mutually screws fixation with gag lever post 71 And be embedded in described main shaft groove 52, axis flange collar nut 72 is interlocked by gag lever post 71 and imports main shaft groove 52 along sliding groove 79 Move up and down, described axis spring 73 is located at the bottom of gag lever post 71.

Used as further describing to a kind of above-mentioned Milling device assembly, position-limit mechanism 7 also includes self-locking spring 74 and self-locking Pin 75, described self-locking spring 74 is mutually propped up with self-lock pin 75, and the described side of gag lever post 71 is provided with self-locking grooves 76, it is described from Lock pin is stretched in self-locking grooves and the mutually locking of gag lever post 71.Due to arranging self-locking structure, when gag lever post is not stably pinned, It will be popped up by axis spring, and when locking is needed, it is only necessary to depress the interlocked limited bar 71 of hand pressure 78 past Under, when the position of gag lever post 71 to self-lock pin 76, self-lock pin 75 is propped up by self-locking spring 74 spring into self-locking grooves 76 and be capable of achieving Self-locking.

The above is not imposed any restrictions to the technical scope of the present invention, and all foundation the technology of the present invention are substantially to the above Any modification, equivalent variations and modification that embodiment is made, still fall within the range of technical scheme.

Claims (5)

1. a kind of Milling device assembly, the fixed seat fixed including the tool holder with lathe and milling cutter tools, it is characterised in that：Gu Reservation is provided with fitting recess, and described milling cutter tools in the embedded fitting recess of turnning and milling head by interfixing；Described milling cutter tools bag Transmission mechanism, chuck nut and position-limit mechanism are included, described transmission mechanism includes transmission main shaft, and the side of transmission main shaft is provided with The main shaft groove of multiple depressions, each main shaft groove spaced set, described position-limit mechanism includes gag lever post, the outside of gag lever post While mutually screw with described main shaft groove, and gag lever post is moved up and down with respect to transmission mechanism；Described chuck nut medial surface sets Have internal thread, the lateral surface at the top of transmission main shaft is provided with external screw thread, described chuck nut and transmission mechanism by internal thread and External screw thread is detachably engaged.

2. a kind of Milling device assembly according to claim 1, it is characterised in that：Described transmission mechanism is also included outside bearing Circle, bearing inner race, bearing roller and bearing clearance nut, described bearing inner race is placed on the lateral surface in the middle part of transmission main shaft, Described bearing clearance nut is placed in the center of bearing inner race, and bearing outer ring is placed on the outside of the bearing inner race, and bearing is rolled Post is placed between described bearing outer ring and bearing inner race, and bearing inner race is by the relative transmission main shaft rectilinear movement of bearing roller.

3. a kind of Milling device assembly according to claim 1, it is characterised in that：Described chuck nut includes milling cutter, spiral shell Cap and collet, described milling cutter is inserted in collet and interfixes with collet, the collet Top is provided with draw-in groove, and the outer draw-in groove without leave of collet is gradually reduced to bottom, is provided with what is be engaged with draw-in groove on the inside of nut Card key, collet is mutually twisted by card key with described nut.

4. a kind of Milling device assembly according to claim 1, it is characterised in that：Described position-limit mechanism also includes that axis is convex The axis spring of ring nut and the gag lever post that resets, described axis flange collar nut is mutually screwed and embedded described with gag lever post Main shaft groove in, by spacing lever linkage axis flange collar nut along chute import main shaft groove move up and down, described axis bullet Spring is located at the bottom of gag lever post.

5. a kind of Milling device assembly according to claim 4, it is characterised in that：Position-limit mechanism is also including self-locking spring and certainly Lock pin, described self-locking spring is connected with self-lock pin, and described gag lever post side is provided with self-locking grooves, and the self-lock pin is stretched into certainly With gag lever post mutually locking in locked groove.