阅读说明：本技术 一种具有高刀具散热性能的立式铣床 (A kind of vertical knee-type milling machine with high cutter heat dissipation performance ) 是由 陈永忠 于 2019-10-11 设计创作，主要内容包括：本发明是关于一种具有高刀具散热性能的立式铣床,涉及铣床领域,主要目的在于如何减少铣刀工作时碎屑在附近的聚集,提高铣刀的散热性能。主要采用的技术方案为：立式铣床包括机身、轴壳、铣刀、夹具、主轴以及散热机构。夹具用于将铣刀装夹固定在主轴上；散热机构包括水箱、抽风机、三通管和集水罩；集水罩与轴壳相连,铣刀穿过集水罩,集水罩的内部设有与水箱连通的喷洒头；三通管具有进口、气体出口和废屑出口,气体出口处设有过滤网,抽风机的进气口与三通管的气体出口连接,抽风机的出气口通过气管与水箱内部连通；三通管的进口连接有抽屑管,抽屑管的抽屑口位于铣刀的排屑槽的上方、且朝向排屑槽设置；废屑出口处铰接有挡板。(The present invention relates to a kind of vertical knee-type milling machines with high cutter heat dissipation performance, are related to milling machine field, and clast nigh aggregation when main purpose is how to reduce milling cutter work improves the heat dissipation performance of milling cutter.The technical solution mainly used are as follows: vertical knee-type milling machine includes fuselage, axle housing, milling cutter, fixture, main shaft and cooling mechanism.Fixture is for milling cutter clamping to be fixed on main shaft；Cooling mechanism includes water tank, exhaust fan, tee tube and catchment covers；Catchment covers are connected with axle housing, and milling cutter passes through catchment covers, and the inside of catchment covers is equipped with the sprinkler head being connected to water tank；Tee tube has import, gas vent and scrap outlet, and gas outlet is equipped with filter screen, and the air inlet of exhaust fan and the gas vent of tee tube connect, and the gas outlet of exhaust fan inside tracheae and water tank by being connected to；The import of tee tube is connected with pumping bits pipe, and the pumping bits mouth of pumping bits pipe is located at the top of the chip space of milling cutter and is arranged towards chip space；Scrap exit is hinged with baffle.)

1. a kind of vertical knee-type milling machine with high cutter heat dissipation performance, including fuselage (1), axle housing (2), milling cutter (3), fixture (12) with And it is rotatably arranged in the main shaft on fuselage (1)；The axle housing (2) is located on main shaft and is fixed on fuselage (1) On；The fixture (12) is for milling cutter (3) clamping to be fixed on main shaft；It is characterized in that, the vertical knee-type milling machine further includes dissipating Heat engine structure, the cooling mechanism include water tank (6), exhaust fan (7), tee tube (8) and catchment covers (4)；The water tank (6) is envelope Close water tank (6)；

The catchment covers (4) are connected with the axle housing (2), and the milling cutter (3) passes through the catchment covers (4), the catchment covers (4) Inside be equipped with sprinkler head (19), the sprinkler head (19) is connected to by water pipe (5) and the water tank (6) inside, the sprinkling Head (19) is used to spray water to the milling cutter (3)；

The tee tube (8) has import (81), gas vent (82) and scrap outlet (83), sets at the gas vent (82) Have filter screen (18), the air inlet of the exhaust fan (7) is connect with the gas vent (82) of the tee tube (8), the exhausting The gas outlet of machine (7) inside tracheae and water tank (6) by being connected to；The import (81) of the tee tube (8) is connected with pumping bits pipe (9), the pumping bits mouth for taking out bits pipe (9) is located at the top of the chip space of milling cutter (3) and is arranged towards the chip space, to take out Inhale the scrap of Milling Process；It is hinged with baffle (15) at the scrap outlet (83), the baffle (15) is configured in the pumping The position of closure scrap outlet (83) is turned to when blower (7) starts by the suction of gas vent (82), and in the exhaust fan (7) position for opening scrap outlet (83) is turned to when shutting down by gravity.

2. as described in claim 1 with the vertical knee-type milling machine of high cutter heat dissipation performance, which is characterized in that fixture (12) tool There are clamping jaw (121), milling cutter (3) clamping to be fixed on the main shaft by the clamping jaw (121)；

The clamping jaw (121) is equipped with for the pressure sensor (13) inconsistent with the milling cutter (3)；

The pressure sensor (13) is used to generate enabling signal when the milling cutter (3) is to workpiece Milling Process, and described Stop signal is generated when milling cutter (3) idle running or stalling；

The vertical knee-type milling machine further includes controller (14), and the controller (14) is used to start the pumping according to the enabling signal Blower (7), and the exhaust fan (7) is closed according to the stop signal.

3. as claimed in claim 2 with the vertical knee-type milling machine of high cutter heat dissipation performance, which is characterized in that

The fixture (12) is scroll chuck, and the workpiece of a clamping jaw (121) of the scroll chuck contradicts end and is equipped with mounting groove, The bottom of the mounting groove has the cable-through hole through the clamping jaw (121)；

The pressure sensor (13) is mounted in the mounting groove, and coupled cable is from the cable-through hole cabling.

4. as claimed in claim 2 with the vertical knee-type milling machine of high cutter heat dissipation performance, which is characterized in that the cooling mechanism is also Including connecting plate (10)；

One end of the connecting plate (10) is connect by screw with the axle housing (2), the other end and the catchment covers (4) fixed company It connects；

The water tank (6) and the exhaust fan (7) are also fixed by screws on the fuselage (1).

5. according to any one of claims 1 to 4 with the vertical knee-type milling machine of high cutter heat dissipation performance, which is characterized in that

The catchment covers (4) are equipped with mounting plate (11), and the mounting plate (11) has for taking out the limit hole considering pipe (9) to be worth doing and passing through.

Technical field

The present invention relates to milling machine technical fields, more particularly to a kind of vertical knee-type milling machine with high cutter heat dissipation performance.

Background technique

Milling machine (milling machine) refers mainly to the lathe processed with milling cutter to a variety of surfaces of workpiece.Usually milling For knife using rotary motion as main motion, the movement of workpiece and milling cutter is feed motion.It can process plane, groove, can also add The various curved surfaces of work, gear etc..

There are certain drawbacks for existing milling machine, specifically, when milling machine processes workpiece using milling cutter, can generate A large amount of clast, a part of clast are exported along the chip space of milling cutter, and another part clast is gathered near milling cutter, seriously affects milling The heat dissipation of knife.Since heat can not be discharged in time, the temperature of milling cutter is increased, and performance is caused to decline, and influences the quality of part processing.

Summary of the invention

In view of this, the present invention provides a kind of vertical knee-type milling machine with high cutter heat dissipation performance, main purpose be how Clast nigh aggregation when reducing milling cutter work, improves the heat dissipation performance of milling cutter.

In order to achieve the above objectives, present invention generally provides following technical solutions:

The embodiment of the present invention provides a kind of vertical knee-type milling machine with high cutter heat dissipation performance, including fuselage, axle housing, milling cutter, folder The main shaft for having and being rotatably arranged on fuselage；The axle housing is located on main shaft and is fixed on fuselage；The fixture For milling cutter clamping to be fixed on main shaft；It is characterized in that, the vertical knee-type milling machine further includes cooling mechanism, the cooling mechanism Including water tank, exhaust fan, tee tube and catchment covers；The water tank is closed tank；

The catchment covers are connected with the axle housing, and the milling cutter passes through the catchment covers, and the inside of the catchment covers is equipped with sprinkling Head, by being connected to inside water pipe and the water tank, the sprinkler head is used to spray water to the milling cutter sprinkler head；

There is the tee tube import, gas vent and scrap outlet, the gas outlet to be equipped with filter screen, the exhaust fan Air inlet connect with the gas vent of the tee tube, the gas outlet of the exhaust fan is connected to by tracheae with water tank inside； The import of the tee tube is connected with pumping bits pipe, and the pumping bits mouth for taking out bits pipe is located at the top of the chip space of milling cutter and direction The chip space setting, to aspirate the scrap of Milling Process；The scrap exit is hinged with baffle, the baffle arrange-ment be The position that closure scrap exports is turned to by the suction of gas vent when the exhaust fan starts, and stops transporting in the exhaust fan The position opening scrap and exporting is turned to when turning by gravity.

The object of the invention to solve the technical problems also can be used following technical measures and further realize.

In vertical knee-type milling machine above-mentioned, optionally, the fixture has clamping jaw, to be consolidated milling cutter clamping by the clamping jaw It is scheduled on the main shaft；

The clamping jaw is equipped with for the pressure sensor inconsistent with the milling cutter；

The pressure sensor dallies for generating enabling signal when the milling cutter is to workpiece Milling Process, and in the milling cutter Or stop signal is generated when stalling；

The vertical knee-type milling machine further includes controller, and the controller is used to start the exhaust fan according to the enabling signal, and The exhaust fan is closed according to the stop signal.

In vertical knee-type milling machine above-mentioned, optionally, the fixture is scroll chuck, a clamping jaw of the scroll chuck Workpiece contradicts end and is equipped with mounting groove, and the bottom of the mounting groove has the cable-through hole through the clamping jaw；

The pressure sensor is mounted in the mounting groove, and coupled cable is from the cable-through hole cabling.

In vertical knee-type milling machine above-mentioned, optionally, the cooling mechanism further includes connecting plate；

One end of the connecting plate is connect by screw with the axle housing, and the other end is fixedly connected with the catchment covers；

The water tank and the exhaust fan are also fixed by screws on the fuselage.

In vertical knee-type milling machine above-mentioned, optionally, the catchment covers are equipped with mounting plate, and the mounting plate has considers to be worth doing for taking out Pipe across limit hole.

In vertical knee-type milling machine above-mentioned, optionally, the catchment covers are that one end is hollow and the structure of both ends open, the collection The lower ending opening of water cover is the tapered taper type mouth of bore.

In vertical knee-type milling machine above-mentioned, optionally, the scrap outlet is connected to inside collecting box by chip discharging tube.

By above-mentioned technical proposal, there is the present invention vertical knee-type milling machine of high cutter heat dissipation performance at least to have below beneficial to effect Fruit:

1, the cooperation of both bits pipe and sprinkler head is taken out, the scrap being discharged from the chip space of milling cutter can be aspirated from top by taking out bits pipe, be subtracted Clast nigh aggregation when few milling cutter work, improves the heat dissipation performance of milling cutter.In addition, sprinkler head can be on the knife bar of milling cutter Water spray, water flow flow downward along knife bar, can further radiate to milling cutter.

2, both pressure sensor and controller cooperate, and the opening and closing whether work of milling cutter with exhaust fan can be contacted Together, the automatic control opened and closed to exhaust fan is realized.

3, each component, such as water tank, catchment covers and exhaust fan etc. of cooling mechanism are fixed by screws in vertical milling On the fuselage of bed, for the vertical knee-type milling machine sold, it is only necessary to process corresponding threaded hole on it, can be dissipated above-mentioned Heat engine structure is fixed on its fuselage, so that convenient reequip existing vertical knee-type milling machine, versatility is stronger.

The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.

Fig. 1 is a kind of structural representation for vertical knee-type milling machine with high cutter heat dissipation performance that one embodiment of the invention provides Figure；

Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；

Fig. 3 is the schematic diagram of internal structure of catchment covers in Fig. 1；

Fig. 4 is structural schematic diagram when a kind of baffle for tee tube that one embodiment of the invention provides is opened；

Structural schematic diagram when Fig. 5 is the baffle closure of tee tube in Fig. 4；

Fig. 6 is a kind of structural schematic diagram for fixture that one embodiment of the invention provides；

Fig. 7 is that a kind of controller that one embodiment of the invention provides is opened by the detection data control exhaust fan of pressure sensor The flow diagram closed.

Appended drawing reference: 1, fuselage；2, axle housing；3, milling cutter；4, catchment covers；5, water pipe；6, water tank；7, exhaust fan；8, threeway Pipe；9, bits pipe is taken out；10, connecting plate；11, mounting plate；12, fixture；13, pressure sensor；14, controller；15, baffle；16, bullet Property part；17, limited block；18, filter screen；19, sprinkler head；81, import；82, gas vent；83, scrap exports；121, clamping jaw； 100, the vertical knee-type milling machine with high cutter heat dissipation performance.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.

It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention, Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship, Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection scope within.

As shown in Figure 1, a kind of vertical knee-type milling machine with high cutter heat dissipation performance that one embodiment of the present of invention proposes 100, including fuselage 1, axle housing 2, milling cutter 3, fixture 12 and main shaft.Main shaft is rotatably arranged on fuselage 1.Axle housing 2 is provide with On main shaft and fix on the fuselage 1.Wherein, the specific set-up mode of 2 the two of main shaft and axle housing is the prior art, herein It repeats no more.Fixture 12 allows main shaft that milling cutter 3 to be driven to rotate, for 3 clamping of milling cutter to be fixed on main shaft with milling work Part.Fixture 12 can be scroll chuck etc..

As shown in Figure 1 to Figure 3, above-mentioned vertical knee-type milling machine can also include cooling mechanism.Cooling mechanism includes water tank 6, takes out Blower 7, tee tube 8 and catchment covers 4.Water tank 6 is closed tank 6, and certainly, water tank 6 should have openable and closable filler, with convenient Add water inside to water tank 6.Catchment covers 4 above-mentioned are connected with axle housing 2, and catchment covers 4 are the structure of inner hollow and both ends open. Milling cutter 3 passes through catchment covers 4.The inside of catchment covers 4 is equipped with sprinkler head 19, and sprinkler head 19 passes through to be connected to inside water pipe 5 and water tank 6, Sprinkler head 19 is used to spray water to milling cutter 3.Wherein, sprinkler head 19 has connector, has the card hole of perforation on catchment covers 4, and connector is worn Card hole is crossed to be connected with water pipe 5 and be connected in card hole.Wherein, catchment covers 4 can play the water that convergence sprinkler head 19 is sprayed Effect, sprinkler head 19 are sprayed water on the knife bar of milling cutter 3, and extra water is sprayed on the side wall of catchment covers 4.Under milling cutter 3 and catchment covers 4 Gap between end opening is smaller, and the water on the side wall of catchment covers 4 can be flow on milling cutter 3 from lower ending opening, further to milling Knife 3 cools down, so as to improve the utilization rate of water.

What needs to be explained here is that: when the water in above-mentioned catchment covers 4 flows downward along the knife bar of milling cutter 3, flow velocity is smaller, The chip removal of chip space on milling cutter 3 will not be impacted, allow the normal chip removal of the chip space of milling cutter 3.

As shown in figure 3, the lower ending opening of aforementioned catchment covers 4 can be the tapered taper type mouth of bore, taper type mouth has Cooling water is converged, cooling water is directed at the effect on milling cutter 3.

As shown in Figure 1, tee tube 8 above-mentioned has import 81, gas vent 82 and scrap outlet 83.At gas vent 82 Equipped with filter screen 18, it is preferred that the filter screen 18 can be connected at gas vent 82, make filter screen 18 can opposing gas outlet 82 disassemblies, to be convenient for changing and clear up.The air inlet of exhaust fan 7 is connect with the gas vent 82 of tee tube 8, for example the two can To be connected by tracheae, tracheae and the junction of the two can be fixed by clip.The gas outlet of exhaust fan 7 passes through tracheae and water It is connected to inside case 6, since water tank 6 is closed tank 6, when exhaust fan 7 is vented into water tank 6, the air pressure in water tank 6 is increased, Water in water tank 6 is discharged via water pipe 5 from sprinkler head 19 under the action of compared with hyperbar.The import 81 of tee tube 8 is connected with pumping Consider pipe 9 to be worth doing, the two can be fixed by clip.Take out bits pipe 9 pumping bits mouth be located at milling cutter 3 chip space top and towards chip removal Slot setting, to prevent scrap from assembling at milling cutter 3 from the scrap of top suction Milling Process.Wherein, taking out bits pipe 9 can fix On catchment covers 4, so that optimal suction position can be maintained by taking out bits pipe 9.It can be hinged at above-mentioned scrap outlet 83 Baffle 15 allows baffle 15 with respect to 83 folding of scrap outlet.

Above-mentioned baffle 15 is configured to be turned to the outlet of closure scrap by the suction of gas vent 82 when exhaust fan 7 starts 83 position, and the position for opening scrap outlet 83 is turned to by gravity when exhaust fan 7 shuts down.Specifically, such as Fig. 5 Shown, when exhaust fan 7 starts, exhaust fan 7 generates negative pressure inside tee tube 8, and under the action of the negative pressure, baffle 15 is closed Scrap outlet 83 makes to be formed inside tee tube 8 from import 81 to the inlet channel of gas vent 82, so that taking out bits pipe 9 can take out The scrap at milling cutter 3 is inhaled, scrap is sucked up at filter screen 18.As shown in figure 4, when exhaust fan 7 shuts down, tee tube 8 Internal no longer to have negative pressure, baffle 15 restores again to the position for opening scrap outlet 83 at this time, the scrap filtered by filter screen 18 83 outflows can be exported from scrap.

Wherein, it is preferred that gas vent 82 and the scrap outlet 83 of tee tube 8 is opposite, and gas vent 82 is located at scrap The top of outlet 83.In this way, scrap can fall under the effect of gravity scrap and go out when exhaust fan 7 shuts down Mouth 83.

Vertical knee-type milling machine of the invention further includes collecting box, and scrap outlet 83 above-mentioned can be connected to collection by chip discharging tube Inside case, with the unified scrap collected from 83 discharge of scrap outlet.

The position of closure scrap outlet 83 can be turned under the suction of gas vent 82 in order to facilitate baffle 15, As shown in Figure 4 and Figure 5, above-mentioned cooling mechanism can also include elastic component 16, such as spring etc..One end of elastic component 16 and gear Plate 15 connects, and the other end is connect with the inner wall of tee tube 8.It is half-open that elastic component 16 pushes baffle 15 to turn in the initial state Position.When exhaust fan 7 starts, baffle 15 overcomes self gravity and elastic component 16 under the action of 8 internal negative pressure of tee tube Elastic force turns to the position of closure scrap outlet 83.

In order to avoid baffle 15 be closed scrap outlet 83 when inordinate rotation, as shown in Figure 4 and Figure 5, the inner wall of tee tube 8 On can be equipped with limited block 17, it for example is rubber block etc. which, which can be flexible block,.Limited block 17 can pass through viscose glue It is fixed on the inner wall of tee tube 8.

Fixture 12 above-mentioned has clamping jaw 121, to be fixed on main shaft 3 clamping of milling cutter by clamping jaw 121.In order to realize Automatic control to the opening and closing of aforementioned exhaust fan 7, the present invention also provides following embodiments, as shown in fig. 6, heat dissipation above-mentioned fills Set further includes pressure sensor 13 and controller 14.Pressure sensor 13 is arranged on clamping jaw 121, clamps milling cutter 3 in clamping jaw 121 When, pressure sensor 13 and milling cutter 3 are inconsistent.Wherein, pressure sensor 13 when milling cutter 3 is to workpiece Milling Process for generating Enabling signal, and stop signal is generated when milling cutter 3 dallies or stalls.Specifically, when milling cutter 3 is to workpiece Milling Process, Milling cutter 3 bears load, and milling cutter 3 can apply a biggish power to pressure sensor 13, and pressure sensor 13 generates one at this time Enabling signal.When milling cutter 3 dallies or shuts down, milling cutter 3 applies a lesser power to pressure sensor 13 or does not apply Power, pressure sensor 13 generates a stop signal at this time.Wherein, as shown in fig. 7, controller 14 according to enabling signal for opening Dynamic exhaust fan 7, and exhaust fan 7 is closed according to stop signal.

What needs to be explained here is that: it can have comparing unit in controller 14, the data warp that pressure sensor 13 detects It is input to comparing unit after analog-to-digital conversion, is compared with the preset value in comparing unit, when being greater than default value, illustrates to mill Knife 3 is to workpiece Milling Process, and controller 14 controls exhaust fan 7 and starts at this time.When being less than preset value, illustrating milling cutter 3 just It is dallying or is shutting down, controller 14 controls exhaust fan 7 and is closed at this time.Wherein, controller 14 controls the mistake that exhaust fan 7 opens and closes Journey is common technology in the prior art, can according to need and chooses in the prior art, details are not described herein.

In the examples described above, both pressure sensor 13 and controller 14 cooperate, by whether the work of milling cutter 3 with exhaust fan 7 opening and closing links together, and realizes the automatic control opened and closed to exhaust fan 7.

What needs to be explained here is that: milling cutter 3 is when processing workpiece, since workpiece has more resemblance, Milling cutter 3 after processing is completed, can lift and then be moved to another location to a resemblance and process another feature.Wherein, In During milling cutter 3 lifts, milling cutter 3 dallies, and exhaust fan 7 shuts down at this time, and baffle 15 opens scrap outlet 83, by filter screen The scrap of 18 filterings can export 83 outflows in time from scrap, cause to take out bits pipe 9 to prevent excessive scrap from blocking filter screen 18 Suction force it is insufficient, and the pumping for influencing to take out bits pipe 9 considers efficiency to be worth doing.

It is specifically applied in example at one, as shown in fig. 6, fixture above-mentioned 12 is scroll chuck.The one of scroll chuck The workpiece of a clamping jaw 121 contradicts end and is equipped with mounting groove, and the bottom of mounting groove has the cable-through hole through clamping jaw 121.Pressure above-mentioned Force snesor 13 is mounted in mounting groove, for example can be screwed.The cable being wherein connected with pressure sensor 13 From cable-through hole cabling, have the effect of facilitating winding displacement.

In order to which catchment covers 4 are fixed on axle housing 2, as shown in Fig. 2, cooling mechanism above-mentioned can also include connecting plate 10.One end of connecting plate 10 is connect by screw with axle housing 2, and the other end is fixedly connected with catchment covers 4.Water tank 6 above-mentioned and pumping Blower 7 is also fixed by screws on fuselage 1.In this way, dismantle entire cooling mechanism can with respect to the fuselage 1 of vertical knee-type milling machine. And due to being screwed, for the vertical knee-type milling machine sold, it is only necessary to process corresponding threaded hole on it, i.e., Cooling mechanism above-mentioned can be fixed on its fuselage 1, existing vertical knee-type milling machine is reequiped thus convenient, versatility compared with By force.

As shown in Fig. 2, being also provided with mounting plate 11 on catchment covers 4 above-mentioned.Mounting plate 11 has limit hole, limit hole For being passed through for taking out bits pipe 9.Limit hole is used to make pumping bits pipe 9 be able to maintain in optimal suction position to the bits limit of pipe 9 is taken out, Facilitate the scrap taken out at the bits suction milling cutter 3 of pipe 9.

The working principle of the invention and preferred embodiment is described below.

The invention reside in design a kind of vertical knee-type milling machine 100 with high cutter heat dissipation performance comprising cooling mechanism.Heat dissipation Mechanism includes exhaust fan 7 and water tank 6, and water tank 6 is connect by water pipe 5 with sprinkler head 19, makes sprinkler head 19 on the knife bar of milling cutter 3 Water spray.The air inlet of exhaust fan 7 is connect by tee tube 8 with bits pipe 9 is taken out, and the pumping bits mouth for taking out bits pipe 9 is located at the chip space of milling cutter 3 Top and towards chip space be arranged, with from top suction Milling Process scrap, prevent scrap from assembling at milling cutter 3.Its In, the cooperation of both bits pipe 9 and sprinkler head 19 is taken out, the cooling to milling cutter 3 may be implemented, reduces when milling cutter 3 works clast nearby Aggregation, improve milling cutter 3 heat dissipation performance.

The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.