The adjustable for height planer-type milling machine of cold wind mechanism
Technical field
The utility model is related to machine field, and in particular to a kind of adjustable for height planer-type milling machine of cold wind mechanism.
Background technology
Planer-type milling machine is made of portal frame, lathe bed workbench and electric control system.Portal frame is by column and top beam
It constitutes, there be crossbeam centre.Crossbeam can make elevating movement along two column guide rails.There is 1~2 milling with vertical major on crossbeam
Head can make transverse movement along beam guideway.One milling head for carrying horizontal spindle can be also installed respectively, it can be along vertical on two columns
Column guide rail makees elevating movement.These milling heads can process several surfaces simultaneously.Each milling head has individual motor, and (power is most
It is big up to 150 kilowatts), gear, operating mechanism and spindle unit etc..
It is provided with moveable workbench in long horizontal lathe bed, and is covered with shield.When processing, workpiece is installed on the table
And make length feed movement therewith.
Planer-type milling machine also has some modifications to adapt to different processing objects.
1. plane milling and boring machine:On crossbeam equipped with millable can boring milling and boring heads, main shaft (sleeve or ram) can make axial direction machine
It is dynamic to feed and have movement micromatic setting, fine adjustment speed be down to 5 millis m/min.It can carry out bore hole and milling operation.
2. gantry drilling and milling machine:Power head is housed on crossbeam, drill bit or milling cutter are filled by extension bar, drilling can be completed and milling is made
Industry.
X-axis guide rail is installed on gantry miller body, planer-type milling machine workbench is crossed over and is fastened on the lathe bed.On workbench
Square activity crossing frame is equipped with portal frame, and portal frame further includes having:Portal frame planker, portal frame planker activity are held on the X-axis and lead
On rail.Z axis guide rail is installed on portal frame.Crossbeam, the crossbeam are installed with a Z axis planker, and crossbeam is lived by the Z axis planker
It is dynamic to be held in the Z axis guide rail, Y-axis guide rail is also installed on crossbeam.Milling attachment, planer-type milling machine milling attachment are movably arranged on
In the Y-axis guide rail, make the portal frame under the control of digital-control circuit control system, the solid space milling for making tri- axis of X, Y, Z adds
Work.The CNC planer type milling machine has high-precision milling, brill, boring, the operations such as cuts;In the prior art, planer-type milling machine is in process
In in the place that cutter is in contact with workpiece will produce a large amount of heat, and these heats easily cause cutter and workpiece embrittlement, no
Conducive to the quality and cutting-tool's used life of product.
Therefore, in order to solve the above problem, need a kind of adjustable for height planer-type milling machine of cold wind mechanism, can to workspace into
Row effectively and rapidly radiates, and reduces temperature, avoids generating high temperature, meanwhile, the height that can be directed to different workpieces carries out height tune
Section ensures that heat dissipation is efficient, is conducive to processing.
Utility model content
In view of this, the purpose of the utility model is to overcome defect in the prior art, it is adjustable to provide cold wind mechanism height
Planer-type milling machine, can effectively and rapidly be radiated to workspace, reduce temperature, avoid generate high temperature, meanwhile, can be directed to
The height of different workpieces carries out height adjusting, ensures that heat dissipation is efficient, is conducive to processing.
The adjustable for height planer-type milling machine of cold wind mechanism of the utility model, including rack, portal frame, be set to portal frame cross
The main shaft device of beam and the cold wind mechanism to cool down for the front-end of spindle to main shaft device;The cold wind mechanism include air-cooler,
Height adjustment device with the cold wind nozzle component of the outlet of air-cooler and for controlling cold wind nozzle component height, it is described
Height adjustment device include the base plate for being fixed on portal frame longeron, two longitudinally spaced be fixed on base plate side side by side
Vertical plate, upper roller of the rotational installation between two vertical plates and lower roll, tensioning sleeve be set to crawler belt between upper roller and lower roll and
Driving motor for driving upper roller or lower roll to rotate, the cold wind nozzle component include that vertically arranged connecting plate, tail end are solid
Support tube due to connecting plate and the jet arc that is shaped in support tube front end and is connected to support tube, the jet arc
Radially inner side wall be installed with the spray-hole for spraying cold wind, the spray-hole is that multiple and multiple spray-holes arcuately spray
The circumferential direction of pipe is distributed;The connecting plate, which is fixed on vertically to move back and forth under the driving of crawler belt and driving motor, realizes cold wind
The secured adjusted of nozzle component, the support tube side wall offer the air inlet with the outlet of air-cooler.
Further, the driving motor is coordinated by reduction gearing and the transmission of lower roll roller bearing, and the lower end of the base plate is solid
Surely it is provided with the erecting bed for being used to support driving motor.
Further, the top and bottom of the base plate are longitudinally disposed is provided through connecting hole, and base plate passes through spiral shell
Bolt is fixed on portal frame longeron.
Further, the injection direction of the spray-hole is 30 ° -60 ° obliquely and with the central axis angle of supporting rod.
Further, the jet arc is semicircle.
Further, the spray centerline of multiple spray-holes converges at a bit.
The utility model has the beneficial effects that:A kind of adjustable for height gantry mill of cold wind mechanism disclosed by the utility model
Bed, by the way that jet arc is arranged in the front end of cold wind nozzle component, and the radially inner side wall of jet arc is installed with and is used for
Spray multiple spray-holes of cold wind so that the cooling wind for acting on cutter front end circularizes distribution so that cooling wind is along each side
It to cutter front end is blowed to, can effectively and rapidly be radiated to workspace, reduce temperature, dead angle is avoided to generate high temperature, and
Cold wind nozzle component stability is good, and cooling wind is stablized;Meanwhile it being driven conducive to driving motor driving caterpillar drive and then by support tube
The height of dynamic jet arc, the height that can be directed to different workpieces carry out height adjusting, ensure that heat dissipation is efficient, are conducive to processing.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of height adjustment device in the utility model;
Fig. 2 is the structural schematic diagram of cold wind nozzle component in the utility model;
Fig. 3 is the vertical view of Fig. 2.
Specific implementation mode
Fig. 1 is the structural schematic diagram of the utility model height adjustment device, and Fig. 2 is cold wind nozzle component in the utility model
Structural schematic diagram, Fig. 3 be Fig. 2 vertical view, as shown, the adjustable for height gantry mill of cold wind mechanism in the present embodiment
Bed, including rack, portal frame, the main shaft device for being set to portal frame crossbeam and for the cooling of the front-end of spindle of main shaft device
Cold wind mechanism;The cold wind mechanism includes air-cooler, cold with the cold wind nozzle component of the outlet of air-cooler and for controlling
The height adjustment device of wind nozzle component height, the height adjustment device include the base plate 3, two for being fixed on portal frame longeron
A longitudinally spaced vertical plate 4 for being fixed on base plate side side by side, upper roller 6 of the rotational installation between two vertical plates are under
The crawler belt 7 that roller 9, tensioning sleeve are set between upper roller and lower roll and the driving motor for driving upper roller or lower roll to rotate, it is described cold
Wind nozzle component includes before vertically arranged connecting plate 8, tail end are fixed on the support tube of connecting plate and are shaped in support tube
The jet arc 11 held and be connected to support tube 10, the radially inner side wall of the jet arc are installed with for spraying cold wind
Spray-hole, the spray-hole are the circumferential direction distribution of multiple and multiple spray-holes arcuately jet pipe;The connecting plate is fixed on
The secured adjusted for realizing cold wind nozzle component, the support tube side wall are vertically moved back and forth under the driving of crawler belt and driving motor
Offer the air inlet with the outlet of air-cooler;The jet arc can be excellent jet arc or round tube;By will be cold
Jet arc is arranged in the front end of wind nozzle component, and the radially inner side wall of jet arc is installed with for spraying the more of cold wind
A spray-hole 12 so that the cooling wind for acting on cutter front end circularizes distribution so that cooling wind blows to cutter in all directions
Front end can effectively and rapidly radiate to workspace, reduce temperature, and dead angle is avoided to generate high temperature, and cold wind nozzle group
Part stability is good, and cooling wind is stablized;Meanwhile conducive to driving motor driving caterpillar drive and then jet arc is driven by support tube
Height, the height that can be directed to different workpieces carries out height adjusting, ensures that heat dissipation is efficient, be conducive to processing.
In the present embodiment, the driving motor is coordinated by reduction gearing and the transmission of lower roll roller bearing, under the base plate
End is fixedly installed the erecting bed 1 for being used to support driving motor 2;Ensure that driving motor is easy for installation and stablizes, the base plate
It can be integrally formed with erecting bed, erecting bed is located at the longitudinal side wall of base plate.
In the present embodiment, the top and bottom of the base plate are longitudinally disposed to be provided through connecting hole 5, and base plate is logical
It crosses bolt and is fixed on portal frame longeron;The longitudinal side wall of the base plate is provided with threaded hole, and trip bolt is longitudinally through even
The threaded hole connect on Kong Bingyu base plates is threadedly coupled, and the installation for being conducive to base plate is stablized, and simple in structure, is convenient to mount and dismount.
In the present embodiment, the injection direction of the spray-hole obliquely and with the central axis angle of supporting rod be 30 °-
60°;It is preferably 45 °, larger conducive to the distance between spray-hole and workpiece in the case of ensureing that windage is smaller, facilitate cold
The installation settings of wind mechanism.
In the present embodiment, the jet arc is semicircle;The spray centerline of multiple spray-holes converges at a bit;It is conducive to
Effective cooling wind is formed, and applied widely.
The X-direction (front-rear direction) of planer-type milling machine is longitudinally indicated in the utility model, laterally indicates Y direction (left and right
Direction);It is vertical to indicate Z-direction.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.