CN205651167U - Grinder - Google Patents

Abstract

The utility model provides a grinder belongs to the machining field, including grinding device and feeding device, feeding device includes horizontal feeding device, vertical adjusting device, vertical adjusting device and clamping device. Horizontal feeding device includes base and first slider, first slider and base sliding connection, and grinding device is fixed in on the base. Vertical adjusting device includes second slider and the gliding drive arrangement of drive second slider first relatively. Vertical adjusting device includes third slider and two gliding drive arrangement of the drive third slider relative second slider of motion. On clamping device locates the third slider, the last indexing mechanism that is equipped with of clamping device. Horizontal feeding device, vertical adjusting device and vertical adjusting device can realize that the cutter has definite amount of feeding and direction of feed at the ascending motion of three side, cutter at the coping in -process, and the indexing mechanism can be changed the cutting face of the required coping of cutter, finally guarantees the coping precision of cutter.

Description

A kind of milling drum

Technical field

This utility model relates to field of machining, in particular to a kind of milling drum.

Background technology

In mechanical processing process, in order to ensure cutting precision, the cutter of machining it is frequently necessary to Reconditioning, the cutting angle of cutter typically uses and manually carries out reconditioning, i.e. uses human hand held cutter The mode of feeding, moves the cutting face of reconditioning cutter at normal sands turbine left-hand seat.And some are had For having multiple cutting faces cutter, such as there is the drill bit of multiple faceted pebble.Drill bit is being repaiied During mill, it is difficult to determine the direction of feed of drill bit and the amount of feeding, it more difficult to two that guarantee drill bit is adjacent The position relationship in cutting face, it is difficult to reach required precision.

Utility model content

The purpose of this utility model is to provide a kind of milling drum, low to improve artificial reconditioning precision Problem.

This utility model is achieved in that

This utility model provides a kind of milling drum, and including grinding attachment and feed arrangement, feeding fills Put and include cross feed device, longitudinal adjustment apparatus, vertical adjustment device and for clamp-on tool Clamping device；

Cross feed device includes base and the first slide block, and the first slide block is slidably connected with base, Grinding attachment is fixed on base；

Longitudinal adjustment apparatus includes the second slide block and drives the first driving dress of the second slide block movement Putting, the second slide block and the first slide block are slidably connected；

Vertical adjustment device includes the 3rd slide block and drives the second driving dress of the 3rd slide block movement Putting, the 3rd slide block and the second slide block are slidably connected；

Clamping device is located on the 3rd slide block, and clamping device is provided with indexing mechanism.

Further, the second slide block includes that fixed body and rotary body, fixed body and the first slide block are sliding Being dynamically connected, the 3rd slide block is slidably connected with rotary body, and rotary body is rotationally connected with fixed body.

Further, rotary body is connected by locking piece with fixed body, when locking piece is in locking During state, rotary body is fixed with fixed body, when locking piece is in relaxation state, rotates physical ability Enough it is relatively fixed body to rotate around vertical axis.

Further, rotary body includes chassis and riser, and riser lower end is located on chassis, and the 3rd is sliding Block is slidably connected with riser, and chassis is provided with arc groove, and locking piece passes arc groove and fixed body Connect.

Further, arc groove includes the first canned paragraph and the second canned paragraph, and locking piece includes One screw and the second screw, the first screw is connected through the first canned paragraph with fixed body, the second spiral shell Nail is connected through the second canned paragraph with fixed body.

Further, clamping device includes sleeve and rotor, and sleeve is fixed on the 3rd slide block, Rotor includes chuck and clamp, and chuck is fixed on one end of clamp, and sleeve is placed on clamp, Indexing mechanism it is provided with between sleeve and rotor.

Further, indexing mechanism includes the multiple draw-in grooves being located at sleeve ends and is located on clamp Locating part, locating part is stuck in a draw-in groove.

Further, multiple draw-in grooves are located at sleeve one end away from chuck, set between sleeve and clamp There is compression spring.

Further, the first driving means includes the first screw mandrel and be located on the first screw mandrel first Handwheel, the first screw mandrel and the first slide block are rotationally connected, and the second slide block is placed on the first screw mandrel.

Further, the second driving means includes the second screw mandrel and be located on the second screw mandrel second Handwheel, the second screw mandrel and the 3rd slide block are rotationally connected, and the second slide block is placed on the second screw mandrel.

The beneficial effects of the utility model are:

The milling drum that this utility model provides, clamping device needs the cutter of reconditioning for clamping； Cross feed device can realize the transverse shifting of cutter；Longitudinal adjustment apparatus can realize the vertical of cutter To movement；Vertical adjustment device can realize the vertically movable of cutter.Finally realize cutter at three Movement on direction.When, after clamping device clamp-on tool, first passing through longitudinal adjustment apparatus with vertical Cutter is adjusted to appropriate location by adjusting means, under external force, promotes the first slide block relative Base slides, and completes traverse feed, and then completes the reconditioning action to cutter.In the process, Cutter has the amount of feeding and direction of feed determined, it is ensured that a cutting face of cutter has relatively High reconditioning precision.Additionally, the indexing mechanism on clamping device, can be to reconditioning needed for cutter Cutting face is replaced, it is ensured that the reconditioning precision in all cutting faces of cutter.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to enforcement In example, the required accompanying drawing used is briefly described, it will be appreciated that the following drawings only illustrates Some embodiment of the present utility model, is therefore not construed as the restriction to scope, for From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root Other relevant accompanying drawings are obtained according to these accompanying drawings.

The structural representation of the milling drum that Fig. 1 provides for this utility model embodiment；

The structural representation of the drill bit of the milling drum that Fig. 2 provides for this utility model embodiment；

The structural representation of the clamping device of the milling drum that Fig. 3 provides for this utility model embodiment Figure；

The 3rd hands removed by the clamping device of the milling drum that Fig. 4 provides for this utility model embodiment The right view of wheel；

The structural representation of the second slide block of the milling drum that Fig. 5 provides for this utility model embodiment Figure.

In figure, reference is:

Grinding attachment 100；Feed arrangement 200；Cross feed device 300；First slide block 310； Base 320；Connecting plate 330；Longitudinal adjustment apparatus 400；Second slide block 410；Fixed body 411；Rotary body 412；Chassis 4121；Riser 4122；First driving means 420；First Screw mandrel 421；First handwheel 422；Locking piece 430；First screw 431；Second screw 432； Arc groove 440；First canned paragraph 441；Second canned paragraph 442；Vertical adjustment device 500； 3rd slide block 510；Second driving means 520；Second screw mandrel 521；Second handwheel 522；Folder Hold device 600；Sleeve 610；Rotor 620；Chuck 621；Clamp 622；3rd handwheel 630；Indexing mechanism 700；Draw-in groove 710；Locating part 720；Compression spring 730；Spacer pin 740；Illuminating lamp 800；Drill bit 900.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment Case is clearly and completely described, it is clear that described embodiment is this utility model one Divide embodiment rather than whole embodiments.Generally herein described in accompanying drawing and the basis that illustrates The assembly of utility model embodiment can be arranged with various different configurations and design.

Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings also It is not intended to be limiting claimed scope of the present utility model, but is merely representative of this utility model Selected embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art exist Do not make the every other embodiment obtained under creative work premise, broadly fall into this practicality Novel protected scope.

It should be noted that in the case of not conflicting, the embodiment in this utility model and reality Execute the feature in example can be mutually combined.

It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore, The most a certain Xiang Yi accompanying drawing is defined, then need not it is carried out in accompanying drawing subsequently Definition and explanation further.

In description of the present utility model, it should be noted that term " on ", D score " perpendicular Directly ", orientation or the position relationship of the instruction such as " interior " be based on orientation shown in the drawings or pass, position System, or the orientation usually put or position relationship when this utility model product uses, or It is the orientation that usually understands of those skilled in the art or position relationship, or this utility model is produced The orientation usually put during product use or position relationship, be for only for ease of description this utility model Describe rather than indicate or imply that the device of indication or element must have specific side with simplifying Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model. Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and can not manage Solve as instruction or hint relative importance.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite regulation And restriction, term " is arranged ", " connection " should be interpreted broadly, and connects for example, it may be fixing Connect, it is also possible to be to removably connect, or be integrally connected；Can be to be directly connected to, it is also possible to It is indirectly connected with by intermediary.For the ordinary skill in the art, can be concrete Situation understands above-mentioned term concrete meaning in this utility model.

Embodiment, referring to figs. 1 through Fig. 5

As it is shown in figure 1, a kind of milling drum that the present embodiment provides, including grinding attachment 100 With feed arrangement 200, feed arrangement 200 includes cross feed device 300, longitudinally regulation dress Put 400, vertical adjustment device 500 and clamping device 600.

Wherein, grinding attachment 100 is existing device, such as abrasive machine, it is possible to needing reconditioning Cutter carry out grinding, do not repeat them here.In the present embodiment, as in figure 2 it is shown, institute Need the drill bit 900 for many faceted pebbles of the cutter of reconditioning, i.e. drill bit 900 has multiple cutting face.

Cross feed device 300 includes base 320 and the first slide block 310, the first slide block 310 Being slidably connected with base 320, grinding attachment 100 is fixed on base 320.Base 320 Play connection grinding attachment 100 and the effect of feed arrangement 200, its shape, structure, size Unrestricted, in the present embodiment, base 320 is platy structure.

First slide block 310 and base 320 can directly be formed and be slidably connected, it is also possible in by Between part realize being slidably connected, in the present embodiment, the first slide block 310 and base 320 passes through to be connected Plate 330 realizes being slidably connected, and connecting plate 330 is fixed on the upper surface of base 320, and first is sliding Block 310 is slidably connected with connecting plate 330.The slip of the first slide block 310 and connecting plate 330 is even Connect and realize with the chute on the first slide block 310 and the transverse slipway on connecting plate 330.Sliding After groove and transverse slipway coordinate, the first slide block 310 can only transversely move by slideway length direction, I.e. transverse shifting.The cross section of chute and transverse slipway is swallow-tail form, naturally it is also possible to be other shapes Shape, such as T-shaped.Above-mentioned described transverse shifting, is the movement on emery wheel axial direction. Certainly, the transverse movement of the first slide block 310 should have two extreme positions, it is to avoid the first slide block 310 slip away transverse slipway.

Further, longitudinal adjustment apparatus 400 includes the second slide block 410 and drives the second slide block First driving means 420 of 410 motions, the second slide block 410 and the first slide block 310 slide even Connect.

Wherein, the second slide block 410 and the first slide block 310 be slidably connected sliding by being located at first End slipway on block 310 and the chute being located on the second slide block 410 coordinate realization.First drives Dynamic device 420 includes the first screw mandrel 421 and the first handwheel 422, and the first handwheel 422 is fixed on On first screw mandrel 421, for driving the first screw mandrel 421 to rotate, the first screw mandrel 421 and second Slide block 410 is rotationally connected by bearing, and the i.e. first screw mandrel 421 rotates relative to the second slide block 410 During, only rotate along its axis, do not axially move.Longitudinal direction on first slide block 310 is sliding Having the screwed hole matched with the first screw mandrel 421 on road, the first slide block 310 is placed on first After on bar 421, just can realize the lengthwise movement of the second slide block 410 by rotating handwheel.Second Slide block 410 is during transverse shifting, and the first screw mandrel 421 and the first handwheel 422 will be with Two slide blocks 410 move together.

It addition, the second slide block 410 and being slidably connected of the first slide block 310 also can be by being located at Chute on one slide block 310 and the end slipway being located on the second slide block 410 realize.This In the case of, the first screw mandrel 421 should be rotationally connected by bearing with the first slide block 310, and second is sliding The screwed hole coordinated with the first screw mandrel 421, the second slide block is offered on end slipway on block 410 410 be placed on the first screw mandrel 421 after also can realize the vertical of the second slide block 410 by rotating handwheel To movement.

Further, vertical adjustment device 500 includes the 3rd slide block 510 and drives the 3rd slide block Second driving means 520 of motion, the 3rd slide block 510 is slidably connected with the second slide block 410.

Wherein, the 3rd slide block 510 and the second slide block 410 be slidably connected sliding by being located at the 3rd Chute on block 510 coordinates realization with setting with the vertical slideway on the second slide block 410.Second drives Dynamic device 520 includes the second screw mandrel 521 and the second handwheel 522 being located on the second screw mandrel 521, Second handwheel 522 rotates for driving the second screw mandrel 521.Second screw mandrel 521 by bearing with 3rd slide block 510 is rotationally connected, and the vertical slideway on the second slide block 410 offers and second The screwed hole of bar 521 coupling, after the second slide block 410 is placed on the second screw mandrel 521, rotates the Two handwheels 522 just can realize the vertically movable of the 3rd slide block 510.Certainly, the 3rd slide block 510 During vertically movable, the second screw mandrel 521 and the second handwheel 522 also will therewith together with vertical Mobile.

Further, clamping device 600 is located on the 3rd slide block 510.

Clamping device 600 needs the drill bit 900 of reconditioning for clamping, and clamping device 600 is located at After on 3rd slide block 510, clamping device 600 can move in three directions.First slide block The transverse shifting of 310 is the transverse shifting of clamping device 600；The longitudinal direction of the second slide block 410 Move and be vertically moving of clamping device 600；The vertical motion of the 3rd slide block 510 is folder Hold the vertical motion of device 600.When drill bit 900 is carried out reconditioning, first pass through the first handwheel 422 and second handwheel 522 regulate the longitudinal direction of drill bit 900 and the emery wheel in grinding attachment 100 With vertical distance.After adjustment completes, operator can manually make drill bit 900 transverse movement close Emery wheel, is finally completed grinding action.

Drill bit 900 needs the cutting face more than one of reconditioning, and the needs in adjacent cutting face There is certain positional precision, to ensure that each cutting angle of drill bit 900 meets requirement.To this end, Clamping device 600 is provided with indexing mechanism 700.

As it is shown on figure 3, clamping device 600 includes sleeve 610 and rotor 620, sleeve 610 It is fixed on the 3rd slide block 510.Rotor 620 includes chuck 621 and clamp 622, chuck 621 one end being fixed on clamp 622, chuck 621 plays the effect of clamping drill bit 900.Folder Body 622 is cylindrical, and sleeve 610 is placed on clamp 622, and clamp 622 can relative sleeve 610 rotate.

As shown in Figure 4, indexing mechanism 700 includes the multiple draw-in grooves being located at sleeve 610 end face 710 and the locating part 720 be located on clamp 622, locating part 720 be cylinder, its diameter Match with the width of draw-in groove 710.In locating part 720 is stuck in a draw-in groove 710, rotate Body 620 is fixed with sleeve 610；When locating part 720 separates with draw-in groove 710, rotor 620 Can rotate by relative sleeve 610.The number phase in the number of draw-in groove 710 and the cutting face of drill bit 900 Deng, such as, draw-in groove 710 number is 3, and grinding attachment 100 can be to the 3 of drill bit 900 Individual cutting face carries out reconditioning.But also there are draw-in groove 710 number and the unequal feelings of cutting face number Condition, such as, draw-in groove 710 number is 4, and grinding attachment 100 also can be to having 2 cuttings The drill bit 900 in face carries out reconditioning.Locating part 720 takes out from a draw-in groove 710, places into Another one draw-in groove 710 just can realize the replacing to cutting face.In the present embodiment, draw-in groove 710 numbers 4, the cutting face of drill bit 900 is 2.

Wherein, draw-in groove 710 may be provided on the sleeve 610 end face away from chuck 621, draw-in groove 710 may also be arranged on sleeve 610 on the end face of chuck 621.In the present embodiment, for side Just operate, it is preferable that draw-in groove 710 is arranged on the sleeve 610 end face away from chuck 621. Drill bit 900 is in transverse movement, and clamping device 600 will be by cross force, rotor 620 will be moved, and locating part 720 may depart from draw-in groove 710.To this end, such as Fig. 3 institute Showing, arranging compression spring 730 between sleeve 610 and clamp 622, compression spring 730 is placed on On clamp 622, clamp 622 is provided with spacer pin 740, compression spring 730 one end and set Cylinder 610 contacts away from the inner face of chuck 621, the other end of compression spring 730 and spacer pin 740 contacts.Compression spring 730 is constantly in compressive state, can offset clamping device 600 institute The cross force being subject to, it is to avoid during reconditioning, locating part 720 departs from draw-in groove 710.This Outward, in the present embodiment, the free end of clamp 622 is additionally provided with the 3rd handwheel 630, facilitates spacing Part 720 coordinates from different draw-in grooves 710.

Certainly, indexing mechanism 700 is also not limited to draw-in groove 710 and locating part 720 is this Form, it is also possible to be the indexing mechanism 700 of other forms, such as, at the circumference of clamp 622 On offer multiple blind hole, offer through hole at sleeve 610 correspondence position, locking pin through through hole with One blind hole coordinates just can fix clamp 622 and sleeve 610, takes out locking pin and rotates clamp 622 and locking pin is inserted another blind hole just can achieve the replacing in drill bit 900 cutting face.

In general, drill bit 900 needs the cutting plane of reconditioning to be probably plane, i.e. clamps dress After putting 600 clamping drill bits 900, cutting plane is parallel with the axis of emery wheel；Cutting plane is likely to Being inclined-plane, after i.e. clamping device 600 clamps drill bit 900, cutting plane becomes one with the axis of emery wheel Determine angle.

In the present embodiment, for convenience of the drill bit 900 that cutting plane is inclined-plane is carried out reconditioning, as Shown in Fig. 5, the second slide block 410 is set to two parts, i.e. fixed body 411 and rotary body 412.Chute on second slide block 410 is opened in bottom fixed body 411, i.e. fixed body 411 It is slidably connected with the first slide block 310.3rd slide block 510 is slidably connected with rotary body 412.Rotation Turn and 412 be rotationally connected with fixed body 411, say, that rotary body 412 can be relatively fixed Body 411 rotates around vertical axis.

Rotary body 412 can realize in several ways with being rotationally connected of fixed body 411, Such as, arranging a vertical rotating shaft on fixed body 411, rotary body 412 is placed on vertical rotating shaft again On, rotary body 412 and is fixed rotary body 412 by holding screw after rotating to an angle again Body 411 is fixed.In the present embodiment, in line with the principle of saving element, rotary body 412 is with fixing Body 411 is connected by locking piece 430, and rotary body 412 includes chassis 4121 and riser 4122, Chassis 4121 is circular, and riser 4122 lower end, the second slide block 410 are fixed in chassis 4121 On vertical installation of slide track on riser 4122, the i.e. the 3rd slide block 510 slides even with vertical plate Connect, chassis 4121 offer arc groove 440, locking piece 430 through arc groove 440 with Fixed body 411 connects.

Wherein, arc groove 440 is divided into two sections of symmetry, and the i.e. first canned paragraph 441 and second is solid The section of determining 442.Locking piece 430 is divided into the first screw 431 and the second screw 432, the first screw 431 are spirally connected through the first canned paragraph 441 with fixed body 411, and the second screw 432 is through second Canned paragraph 442 is spirally connected with fixed body 411.First screw 431 and the second screw 432 coordinate to be made With realizing being rotationally connected of rotary body 412 and fixed body 411, the first screw 431 and the second spiral shell Rotary body 412 also can be locked by nail 432.When the first screw 431 and/or the second screw 432 When being in locking state, rotary body 412 is fixed with fixed body 411；When the first screw 431 He When second screw 432 is in relaxation state, rotary body 412 just can opposing fixed plate around vertical axes Line rotates.Just can realize brill with the relative position of fixed body 411 by adjusting rotary body 412 900 cutting faces tilted carry out reconditioning.

Additionally, be relatively fixed body 411 around vertical axis to read rotary body 412 more intuitively The angle rotated, is carved with scale on the sidewall on chassis 4121.

In the present embodiment, as it is shown in figure 1, be additionally provided with illuminating lamp 800 on base 320.

A kind of milling drum that the present embodiment provides, clamping device 600 needs reconditioning for clamping Drill bit 900；The first relative connecting plate 330 of slide block 310 slides can realize the horizontal of drill bit 900 Mobile；Relative first slide block 310 of second slide block 410 slides and can realize the longitudinal direction shifting of drill bit 900 Dynamic；Relative second slide block 410 of 3rd slide block 510 slides and can realize the vertically movable of drill bit 900. Finally realize drill bit 900 movement in three directions.Wherein, the second slide block 410 is divided into solid Determining body 411 and rotary body 412, rotary body 412 is relatively fixed body 411 and turns an angle also After Gu Ding, the drill bit 900 to cutting face is inclined-plane can be realized and carry out reconditioning.Additionally, clamping dress Put the indexing mechanism 700 on 600, the cutting face of reconditioning needed for drill bit 900 can be replaced, The reconditioning precision in all cutting faces of drill bit 900 can be ensured.When clamping device 600 clamps drill bit After 900, first pass through the first handwheel 422 and drill bit 900 is adjusted to suitably by the second handwheel 522 Position, under external force, promotes the first slide block 310 respect thereto 320 to slide, completes horizontal stroke To feeding, and then complete the reconditioning action to 900 1 cutting faces of drill bit, then by the 3rd hands The cutting face of required reconditioning is replaced by wheel 630, is finally completed and cuts drill bit 900 is all of Bevel carries out reconditioning.In the process, drill bit 900 has the amount of feeding and direction of feed determined, Can ensure that all cutting faces of drill bit 900 have higher reconditioning precision, ensure that drill bit simultaneously The precision of each cutting angle of 900.

It is to be noted that the multi-angular milling drum of one that this utility model provides, the first slide block 310 slide laterally pushes directly on realization by operator, the first slide block 310 and company It is not provided with driving means between fishplate bar 330.It is of course also possible at the first slide block 310 and connecting plate Driving means is set between 330 and drives the first slide block movement.

These are only preferred embodiment of the present utility model, be not limited to this practicality new Type, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment, the equivalent made, change Enter, within should be included in protection domain of the present utility model.

Claims (10)

1. a milling drum, it is characterised in that include grinding attachment and feed arrangement, described Feed arrangement includes cross feed device, longitudinal adjustment apparatus, vertical adjustment device and for pressing from both sides The clamping device of tight cutter；

Described cross feed device includes base and the first slide block, described first slide block and the described end Seat is slidably connected, and described grinding attachment is fixed on described base；

Described longitudinal adjustment apparatus includes the second slide block and drives the of described second slide block movement One driving means, described second slide block is slidably connected with described first slide block；

Described vertical adjustment device includes the 3rd slide block and drives the of described 3rd slide block movement Two driving means, described 3rd slide block is slidably connected with described second slide block；

Described clamping device is located on described 3rd slide block, and described clamping device is provided with dividing engine Structure.

Milling drum the most according to claim 1, it is characterised in that described second slide block Including fixed body and rotary body, described fixed body is slidably connected with described first slide block, and described Three slide blocks are slidably connected with described rotary body, and described rotary body is rotationally connected with described fixed body.

Milling drum the most according to claim 2, it is characterised in that described rotary body with Described fixed body is connected by locking piece, when described locking piece is in locking state, and described rotation Turn and described fixed body is fixed, when described locking piece is in relaxation state, described rotary body Can rotate around vertical axis relative to described fixed body.

Milling drum the most according to claim 3, it is characterised in that described rotary body bag Including chassis and riser, described riser lower end is located on described chassis, and described 3rd slide block is perpendicular with described Plate is slidably connected, and described chassis is provided with arc groove, described locking piece through described arc groove with Described fixed body connects.

Milling drum the most according to claim 4, it is characterised in that described arc groove bag Including the first canned paragraph and the second canned paragraph, described locking piece includes the first screw and the second screw, Described first screw is connected through described first canned paragraph with described fixed body, described second screw It is connected through described second canned paragraph with described fixed body.

Milling drum the most according to claim 1, it is characterised in that described clamping device Including sleeve and rotor, described sleeve is fixed on described 3rd slide block, described rotor bag Including chuck and clamp, described chuck is fixed on one end of described clamp, and described sleeve is placed on described On clamp, between described sleeve and described rotor, it is provided with described indexing mechanism.

Milling drum the most according to claim 6, it is characterised in that described indexing mechanism Including the multiple draw-in grooves being located at described sleeve ends and the locating part being located on described clamp, described Locating part is stuck in a draw-in groove.

Milling drum the most according to claim 7, it is characterised in that the plurality of draw-in groove It is located at described sleeve one end away from described chuck, between described sleeve and described clamp, is provided with compression Spring.

Milling drum the most according to claim 1, it is characterised in that described first drives Device includes the first screw mandrel and the first handwheel being located on described first screw mandrel, described first screw mandrel Being rotationally connected with described second slide block, described first slide block is placed on described first screw mandrel.

Milling drum the most according to claim 1, it is characterised in that described second drives Device includes the second screw mandrel and the second handwheel being located on described second screw mandrel, described second screw mandrel Being rotationally connected with described 3rd slide block, described second slide block is placed on described second screw mandrel.