CN212885097U - High-pressure cooling cutter head and cooling cutter platform of numerical control lathe - Google Patents
High-pressure cooling cutter head and cooling cutter platform of numerical control lathe Download PDFInfo
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- CN212885097U CN212885097U CN202021941561.9U CN202021941561U CN212885097U CN 212885097 U CN212885097 U CN 212885097U CN 202021941561 U CN202021941561 U CN 202021941561U CN 212885097 U CN212885097 U CN 212885097U
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Abstract
The utility model discloses a numerical control lathe high pressure cooling blade disc and cooling cutter platform, including fixed connection's water distribution dish subassembly, clamp ring, transition dish and high-pressure blade disc, the axial one end of high-pressure blade disc has the ring channel of placing the transition dish, and the transition dish supports the axial terminal surface at the water distribution dish subassembly, and is provided with the sealing washer on the contact terminal surface of transition dish and water distribution dish subassembly. The pressing ring is located on the circumferential outer side of the water distribution disc assembly, and the water distribution disc assembly is axially pressed between the first shaft shoulder and the transition disc. The axial end face, far away from the transition disc, of the water distribution disc assembly is provided with a plurality of water distribution holes, the surface of the high-pressure cutter disc is provided with a water outlet, and cooling liquid sequentially passes through the water distribution disc assembly, the transition disc and the high-pressure cutter disc from one of the water distribution holes and then is output from the water outlet.
Description
Technical Field
The utility model relates to a lathe accessory technical field especially relates to a numerical control lathe high pressure cooling blade disc and cooling tool post.
Background
With the development of processing technology, particularly the requirements of automatic continuous processing equipment such as an automatic production line and the like, when a numerical control lathe is processed, the chips are required to be as fine as possible and are not retained on a workpiece and a clamping apparatus, and the high-pressure chip breaking technology is an effective method for solving the chip problem. Compared with the traditional cooling mode, the service life of the cutter is prolonged by 40 percent under the same conditions of cutting speed, feeding and the like, and the rejection rate can be effectively reduced.
However, high pressure chip breaking must satisfy two conditions:
(1) the machine tool cooling system at least ensures that the outlet pressure of the cooling liquid is 7 MPa.
(2) A special high-pressure chip breaking cutter.
The pressure of the cooling liquid outlet can be satisfied by a special screw pump. The high-pressure cutter can be satisfied by purchasing a special cutter. However, because of the increased cooling fluid pressure, further demands are made on the sealing requirements of the various cooling components of the machine tool.
The pressure resistance of cooling liquid of a conventional horizontal servo tool post for the numerical control lathe is not more than 4MPa at most, and most of the cooling liquid is used below 2 MPa. This limits the application of high pressure cooling techniques. If the servo tool post with high withstand voltage needs to be met, a manufacturer needs to specially customize the high withstand voltage tool post, so that compared with the traditional servo tool post, the structure is more complex, the cost is also increased, and the effect is not necessarily good. A cooling liquid pressure-bearing cutter platform manufactured by 7MPa of a certain international brand is basically consistent with a conventional cutter platform in a cooling liquid output structure, the type of a sealing ring is changed, the pressure of a copper nozzle compression spring is enhanced, and the phenomena of damage to the sealing ring and water leakage are also caused in the use process.
Fig. 1-3 show a conventional horizontal servo tool post structure, which mainly comprises servo motors 1-10, spindles 1-10, water distribution discs 1-3, positioning discs 1-1, tool discs 1-9 and sealing rings 1-8, wherein the servo tools 1-10 drive the spindles 1-10 to rotate through a transmission mechanism to change different tool positions when the servo tool post works. The water distribution plate 1-3 is fixed with the positioning plate 1-1 by a second screw 1-2 and rotates along with the main shaft 1-10.
The cooling liquid is communicated with the water inlet holes of the working cutter positions of the cutter discs 1 to 9 through the internal channels of the cutter table bodies 1 to 4 from the water inlets 1 to 7 and flows to the cutter points of the cutters through the internal water channels to finish the cooling of the cutters.
The back of the traditional cutter head 1-9 is a plane, the cutter head 1-9 is fixed on the main shaft 1-10 through a screw, and the back of the cutter head 1-9 compresses the sealing ring 1-8 to ensure that the joint surface of the cutter head 1-9 and the water distribution disc 1-3 is watertight when each cutter position works. Theoretically, the rear end face of the cutter head 1-9 should be reliably connected and attached with the positioning end face of the front end face of the main shaft 1-10 and the front end face of the water distribution disc 1-3, and the attaching face is preferably gapless. However, in practice, the front end face of the water distribution plate 1-3 is lower than the positioning end face of the main shaft 1-10 by about 0.2mm (see dimension F in FIG. 4). Thus, after the rear end face of the cutter head 1-9 is tightly pressed on the water distribution disc 1-3, the clearance at the position is at least about 0.2mm, and the mechanical sealing clearance of the sealing ring 1-8 is too large. When the pressurized cutting fluid presses the sealing rings 1 to 8 from the inside, the pressure bearing capacity of the sealing rings 1 to 8 is reduced, so that the sealing rings 1 to 8 are damaged.
Whether the sealing ring is easily crushed or not depends on the size of a gap between mechanical parts, and the elastic body is crushed and damaged due to the fact that the gap is too large.
After analyzing the weak point of the pressure resistance of the traditional servo tool post, the weak point of the pressure resistance is found to be mainly on the contact surface between the sealing ring 1-8 and the cutter head 1-9 of the water distribution disc 1-3 of the servo tool post, and the problem can be solved as long as the pressure resistance of the weak point is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the low, cooling seal effect of the servo sword platform compressive capacity of tradition among the prior art poor, be not suitable for high-pressure chip breaking production, and the complicated, the also very high technical problem of cost of structure of the high withstand voltage sword platform of customization, the utility model provides a numerical control lathe high pressure cooling blade disc and cooling sword platform overcomes the not enough of current servo sword platform, can improve current horizontal servo sword platform compressive capacity to 7 MPa.
The utility model provides a numerical control lathe high pressure cooling blade disc, including fixed connection's water distribution dish subassembly, clamp ring, transition dish and high-pressure blade disc, water distribution dish subassembly, transition dish and high-pressure blade disc are arranged along the axial in proper order, and the center of water distribution dish subassembly has the shaft hole that the main shaft that is suitable for the cooling cutter platform passed, and the axial one end of high-pressure blade disc has the ring channel of placing the transition dish, and the transition dish supports the axial terminal surface at the water distribution dish subassembly, and is provided with the sealing washer on the contact terminal surface of transition dish and water distribution dish subassembly.
The pressing ring is located on the circumferential outer side of the water distribution disc assembly, a first shaft shoulder extending radially inwards is arranged at one axial end, far away from the high-pressure cutter head, of the pressing ring, and the water distribution disc assembly is axially pressed between the first shaft shoulder and the transition disc.
The axial end face, far away from the transition disc, of the water distribution disc assembly is provided with a plurality of water distribution holes, the surface of the high-pressure cutter disc is provided with a water outlet, and cooling liquid sequentially passes through the water distribution disc assembly, the transition disc and the high-pressure cutter disc from one of the water distribution holes and then is output from the water outlet.
Preferably, the outer diameter of the distribution disc assembly is smaller than the outer diameter of the transition disc.
Furthermore, a second shaft shoulder extending outwards in the radial direction is further arranged on the compression ring, and a first screw penetrates through the second shaft shoulder to be fixed with the transition disc and the high-pressure cutter disc.
Furthermore, the water outlet is positioned on the axial end face, close to the transition disc, of the high-pressure cutter disc.
Preferably, the cooling liquid sequentially penetrates through the water distribution disc assembly and the transition disc along the axial direction.
Furthermore, the water distribution plate assembly comprises a positioning plate and a water distribution plate fixed on the circumferential outer side of the positioning plate, a shaft hole is formed in the center of the positioning plate, the sealing ring is located on the contact end face of the water distribution plate and the transition plate, and the water distribution hole is located on the axial end face of the water distribution plate.
Furthermore, the outer edge of the positioning disc is provided with a plurality of notches suitable for clamping the second screws, and the second screws are fixed on the end face of the water distribution disc so that the water distribution disc and the positioning disc are circumferentially fixed.
The utility model also provides a cooling tool post, including servo motor, the tool post body, main shaft and above numerical control lathe high pressure cooling blade disc, servo motor drives the main shaft is rotatory, the main shaft passes in proper order tool post body, water distribution dish subassembly, transition dish and high-pressure blade disc, just numerical control lathe high pressure cooling blade disc follows the main shaft synchronous revolution.
The end face of the water distribution disc component provided with the water distribution holes is in contact with the end face of the cutter table body, the surface of the cutter table body is provided with a water inlet, and cooling liquid enters the water distribution holes from the water inlet through an internal channel of the cutter table body.
Furthermore, a deep hole communicated with the water inlet is formed in the end face, opposite to the water distribution hole, of the cutter table body, a copper water nozzle suitable for abutting against the surface of the water distribution disc assembly is arranged in the deep hole, and the copper water nozzle is communicated with the water distribution hole.
Furthermore, a spring is arranged between the copper water nozzle and the inner bottom surface of the deep hole.
The utility model has the advantages that:
(1) numerical control lathe high pressure cooling blade disc and cooling tool post change the blade disc into split type structure, reduced the clearance between blade disc and the water distribution dish subassembly through the transition dish, can avoid the problem that the water distribution dish subassembly warp completely even, even pressure is high again can not cause the tool post to leak because the mechanical clearance between the two is too big and break through the sealing washer.
(2) Numerical control lathe high pressure cooling blade disc and cooling tool post, the delivery port is located the terminal surface of high-pressure blade disc, has solved high-pressure cutter wire hose and has needed the big problem of installation space, has increased the radius of gyration of cooling tube, has reduced the risk that cooling tube and work piece, iron fillings interfere.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a prior art cutterhead;
FIG. 2 is a schematic view of the assembly of the water distribution plate and the knife block of the present invention and the prior art;
FIG. 3 is a schematic view (partially in section) of a prior art horizontal tool block;
FIG. 4 is an enlarged view taken at I in FIG. 3;
FIG. 5 is a schematic structural view (partially in section) of the cooling tool post of the present invention;
FIG. 6 is an enlarged view taken at II in FIG. 5;
fig. 7 is an exploded schematic view of the high-pressure cooling cutter head of the numerically controlled lathe according to the present invention;
fig. 8 is a schematic view of the connection between the high-pressure cooling cutter head and the coolant pipeline of the cutter in the numerical control lathe of the present invention.
In the figure, 1-1(2-1), a positioning disc, 1-2(2-2), a second screw, 1-3(2-3), a water distribution disc, 1-4(2-4), a cutter table body, 1-5(2-5), a copper water nozzle, 1-6(2-6), a spring, 1-7(2-7), a water inlet, 1-8(2-8), a sealing ring, 1-9, a cutter head, 1-10(2-10), a main shaft, 2-11, a transition disc, 2-12, a high-pressure cutter head, 2-121, an annular groove, 2-13, a pressing ring, 2-131, a first shaft shoulder, 2-132, a second shaft shoulder, 2-41, a deep hole, 1-31(2-31), a water distribution hole, 2-14, a water distribution hole, 2-3, The device comprises a first screw 2-15, a steel wire hose 2-16, a cutter 1-17(2-17), a water outlet 1-18(2-18) and a servo motor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The utility model takes one end close to the input end of the main shaft 2-10 (namely close to the cutter table body 2-4) as the rear end and one end close to the output end of the main shaft 2-10 (namely close to the high-pressure cutter head 2-12) as the front end.
As shown in figures 5-7, a high-pressure cooling cutter head 1-9 of a numerical control lathe can be arranged on a traditional horizontal servo cutter head, the bearing pressure of the cutter head can reach 7MPa, and comprises a water distribution disc assembly, a pressing ring 2-13, a transition disc 2-11 and a high-pressure cutter head 2-12 which are fixedly connected, the water distribution disc assembly, the transition disc 2-11 and the high-pressure cutter head 2-12 are sequentially arranged along the axial direction, the axial end surfaces of the three parts are all planes, the center of the water distribution disc assembly is provided with a shaft hole which is suitable for a main shaft 2-10 of the cooling cutter head to pass through, one axial end of the high-pressure cutter head 2-12 is provided with an annular groove 2-121 for placing the transition disc 2-11, and the transition disc 2-11 is abutted, and the contact end surfaces of the transition discs 2-11 and the water distribution disc assembly are provided with sealing rings 2-8.
The pressing ring 2-13 is located on the circumferential outer side of the water distribution disc assembly, a first shaft shoulder 2-131 extending radially inwards is arranged at one axial end, away from the high-pressure cutter head 2-12, of the pressing ring 2-13, and the water distribution disc assembly is axially pressed between the first shaft shoulder 2-131 and the transition disc 2-11. The axial end face, far away from the transition disc 2-11, of the water distribution disc assembly is provided with a plurality of water distribution holes 2-31, the surface of the high-pressure cutter disc 2-12 is provided with water outlets 2-17, and cooling liquid passes through the water distribution disc assembly, the transition disc 2-11 and the high-pressure cutter disc 2-12 in sequence through one of the water distribution holes 2-31 and then is output from the water outlets 2-17. To reduce the coolant flow path, the coolant preferably passes axially through the distributor disc assembly and the transition discs 2-11 in succession.
The water distribution disc assembly is directly contacted with the cutter platform body 2-4 and is simultaneously communicated with a cooling liquid channel on the cutter platform body 2-4 in a gapless mode, a plurality of cutter positions are arranged on the high-pressure cutter head 2-12, a cutter 2-16 can be installed on each cutter position, a plurality of water distribution holes 2-31 are formed in the water distribution disc assembly, each water distribution hole 2-31 corresponds to one cutter position, the corresponding water distribution hole 2-31 is adjusted according to the used cutter 2-16 to be communicated with the cooling liquid channel on the cutter platform body 2-4, therefore, the water distribution disc assembly and the main shaft 2-10 rotate synchronously, and the high-pressure cutter head 2-12 and the water distribution disc assembly are fixed.
According to the record in mechanical design, the design principle of the sealing ring is that the larger the pressure is, the smaller the mechanical clearance is, and the thickness d of the wire used in the existing horizontal servo tool post22.65 sealing rings 1-8, when the pressure of cutting fluid is increased to 7MPa (70bar), the mechanical clearance of the sealing rings 1-8 is ensured to be not more than 0.13mm, but the mechanical clearance of the sealing rings 1-8 reaches 0.2mm which is almost twice of the standard value during actual installation, so that the sealing rings 1-8 are damaged, and leakage is caused.
Traditional blade disc 1-9 is monolithic structure, and the rear end face of blade disc 1-9 is the plane, the utility model provides a blade disc structure comprises transition dish 2-11 and high-pressure blade disc 2-12 jointly, can select the transition dish 2-11 of suitable thickness according to the terminal surface distance difference of main shaft 2-10 and water distribution dish subassembly, utilizes transition dish 2-11 to make the rear end face of the blade disc structure of combination formation be the non-plane, compensates the terminal surface distance difference (be exactly the distance F in figure 4) between main shaft 2-10 and the water distribution dish subassembly to reduce or even eliminate sealing washer 2-8's mechanical seal clearance completely, improve the bearing capacity of sealing washer 2-8 greatly.
Since the transition disk 2-11 is required to abut against the surface of the distributor assembly, it will be appreciated that the inner diameter of the transition disk 2-11 should be larger than the axial diameter of the main shaft 2-10, and the outer diameter of the transition disk 2-11 may be larger than or smaller than the outer diameter of the distributor assembly, which in this embodiment is smaller than the outer diameter of the transition disk 2-11.
In a specific embodiment of the present invention, the water distribution plate assembly is usually provided in a split type, as shown in fig. 2 and fig. 6, and includes a positioning plate 2-1 and a water distribution plate 2-3 fixed to the circumferential outer side of the positioning plate 2-1, the positioning plate 2-1 has a shaft hole in the center, the sealing ring 2-8 is located on the contact end surface of the water distribution plate 2-3 and the transition plate 2-11, and the water distribution hole 2-31 is located on the axial end surface of the water distribution plate 2-3. The structure and assembly of the positioning disc 2-1 and the water distribution disc 2-3 in the embodiment are the same as those of the positioning disc 1-1 and the water distribution disc 1-3 in the conventional horizontal tool post, and as shown in fig. 2, the water distribution disc 2-3 is fixed with the positioning disc 2-1 by three second screws 2-2 and rotates along with the main shaft 2-10. The cooling liquid enters the water distribution holes 2-31 of the water distribution disc 2-3 through the internal channels of the knife table body 2-4 from the water inlets 2-7. The circumferential fixing of the positioning disc 2-1 and the water distribution disc 2-3 can adopt but not limited to the following structures: the outer edge of the positioning disc 2-1 is provided with a plurality of notches suitable for clamping the second screws 2-2, and the second screws 2-2 are fixed on the end surface of the water distribution disc 2-3 so as to circumferentially fix the water distribution disc 2-3 and the positioning disc 2-1.
As can be seen from fig. 4, due to the limitation of the servo turret structure (the utility model discloses not improving the turret structure), there is very big suspension area (N in fig. 4) towards one end of turret body 2-4 on the water distribution plate 2-3, and the supporting surface of water distribution plate 2-3 is only the contact area (P in fig. 4) of water distribution plate 2-3 and main shaft 2-10, and this supporting surface area is less, leads to structural rigidity to be poor. After the cutter head structure is manufactured into a split structure, the mechanical clearance of the sealing ring 2-8 can be basically controlled within 0.05mm, so that the compression amount of the sealing ring 2-8 is increased, meanwhile, the stress of the end surface of the water distribution disc 2-3 is increased, but the mounting support surface of the water distribution disc 2-3 is smaller, the water distribution disc 2-3 is also stressed when the sealing ring 2-8 is compressed, and the water distribution disc 2-3 is easy to elastically deform after being stressed, so that the size of the mechanical clearance is increased, water leakage (at K in figure 4) is caused on the end surface where the cooling liquid outlet on the water distribution disc 2-3 and the cutter head body 2-4 is positioned, and the cutters 2-16 cannot be cooled normally.
Therefore, the utility model discloses increased clamp ring 2-13 in mounting structure, can firmly compress tightly high-pressure blade disc 2-12, transition dish 2-11 and water distribution dish 2-3 through first screw 2-14, fixed an organic whole, the clamping face is the axial contact terminal surface (P department in figure 6) of first shoulder 2-131 and water distribution dish 2-3, and the clearance E between the radial inboard of clamp ring 2-13 and the frustum of a knife body 2-4, does not influence the normal work of frustum of a knife, has solved the problem that water distribution dish 2-3 warp and leak after high-pressure blade disc 2-12 compresses tightly. Through verifying, when pressure was 7MPa, the utility model discloses sealed coolant liquid that can be fine.
The compression of the compression rings 2-13 can be achieved by: the pressing ring 2-13 is also provided with a second shaft shoulder 2-132 extending outwards in the radial direction, the first screw 2-14 penetrates through the second shaft shoulder 2-132 to be fixed with the transition disc 2-11 and the high-pressure cutter disc 2-12, and the radial inner side of the pressing ring 2-13 needs to keep a certain distance with the cutter table body 2-4, so that the first shaft shoulder 2-131 is limited in width and cannot be provided with screws, and the second shaft shoulder 2-132 can extend outwards in the radial direction infinitely and can accommodate the screws.
In a further embodiment of the invention, as shown in fig. 8, the water outlet 2-17 is located on the axial end face of the high-pressure cutter head 2-12 close to the transition disc 2-11, i.e. the water outlet 2-17 is located on the rear end face of the high-pressure cutter head 2-12. The high-pressure cooling cutter 2-16 is a special cutter 2-16, the cooling liquid leads water to the cutter point through a joint through a standard wire hose 2-15 with fixed length and high pressure, but the wire hose 2-15 needs a certain turning radius, if the distance between a water outlet 2-17 and a water inlet of the cutter 2-16 (the water inlet of the cutter 2-16, namely the part where the cutter 2-16 is connected with the wire hose 2-15) is too close, the turning radius of the wire hose 2-15 is over small, the service life of the wire hose 2-15 is influenced, meanwhile, because the cutter 2-16 and the wire hose 2-15 are close to a cutting area, and the length of the wire hose 2-15 is certain, the installation is possibly too long, the interference between the wire hose 2-15 and the cutter 2-16 and workpieces or scrap iron is avoided, Scratch and rub the herbs. Therefore, in the embodiment, the water outlets 2-17 of the high-pressure cutter heads 2-12 are designed to the rear end surface (as shown in fig. 8), so that compared with the conventional cutter heads 1-9 in which the water outlets 1-17 are arranged on the circumferential surface (as shown in fig. 1) of the cutter heads 1-9, the turning radius of the wire hoses 2-15 is increased, the overlong wire hoses 2-15 can be well hidden and fixed on the rear end surface of the high-pressure cutter heads 2-12, and the contact space between the wire hoses 2-15 and workpieces and scrap iron is reduced as much as possible. The above problems can be solved well. See M, N for details of the connection of the two steel hoses 2-15.
The utility model also provides a cooling tool post, including servo motor 2-18, the tool post body 2-4, main shaft 2-10 and above numerical control lathe high pressure cooling blade disc 1-9, servo motor 2-18 drives the main shaft 2-10 and rotates, and main shaft 2-10 passes tool post body 2-4, water distribution dish subassembly, transition dish 2-11 and high pressure blade disc 2-12 in proper order, and numerical control lathe high pressure cooling blade disc 1-9 is along with main shaft 2-10 synchronous revolution. The end surface of the water distribution disc component provided with the water distribution holes 2-31 is contacted with the end surface of the cutter platform body 2-4, the surface of the cutter platform body 2-4 is provided with a water inlet 2-7, and cooling liquid enters the water distribution holes 2-31 from the water inlet 2-7 through the internal channel of the cutter platform body 2-4.
The tool post body 2-4 is a fixed part, the servo motor 2-18 is fixed on the rear end face of the tool post body 2-4, the water distribution disc assembly is sleeved on the main shaft 2-10, the high-pressure tool disc 2-12 is fixed on the front end face of the main shaft 2-10, and meanwhile, the high-pressure tool disc 2-12, the transition disc 2-11 and the water distribution disc assembly are pressed and fixed through the pressing ring 2-13, so that the high-pressure cooling tool disc 1-9 of the numerical control lathe integrally and the main shaft 2-10 rotate synchronously.
In an embodiment of the present invention, as shown in fig. 6, a deep hole 2-41 communicating with the water inlet 2-7 is provided on the end surface of the cutter platform body 2-4 facing the water distribution hole 2-31, a copper water nozzle 2-5 adapted to abut on the surface of the water distribution disc assembly is provided in the deep hole 2-41, and the copper water nozzle 2-5 communicates with the water distribution hole 2-31. The copper water nozzle 2-5 is the prior art, is a copper joint with higher leakproofness, can realize the gapless intercommunication between two liquid flow channels, the coolant liquid enters the copper water nozzle 2-5 through the inside passageway of the cutter platform body 2-4 by the water inlet 2-7, then enters the water distribution hole 2-31 of the water distribution disc 2-3, the water distribution disc 2-3 rotates with main shaft 2-10, the copper water nozzle 2-5 is fixed, after the high pressure cutter disc 2-12 rotates to the working position, the water distribution hole 2-31 communicates with the through-hole of the copper water nozzle 2-5, the coolant liquid connects the delivery port 2-17 of the high pressure cutter disc 2-12, and flow to the knife tip of the cutter 2-16 through the flexible hose 2-15, finish the cooling of cutter 2-16. Preferably, a spring 2-6 is further arranged between the copper water nozzle 2-5 and the inner bottom surface of the deep hole 2-41, the copper water nozzle 2-5 is always in sliding contact with the rear end surface of the water distribution plate 2-3 under the action of elastic force, and the cooling liquid is guaranteed not to leak from the contact surface (K in the drawing) of the copper water nozzle 2-5 and the water distribution plate 2-3.
In the description of the present invention, it is to be understood that the terms "central," "axial," "radial," and the like refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a numerical control lathe high pressure cooling blade disc which characterized in that: the water distribution disc assembly comprises a water distribution disc assembly, a pressing ring (2-13), a transition disc (2-11) and a high-pressure cutter disc (2-12) which are fixedly connected, wherein the water distribution disc assembly, the transition disc (2-11) and the high-pressure cutter disc (2-12) are sequentially arranged along the axial direction, the center of the water distribution disc assembly is provided with a shaft hole through which a main shaft (2-10) suitable for cooling a cutter table penetrates, one axial end of the high-pressure cutter disc (2-12) is provided with an annular groove (2-121) for placing the transition disc (2-11), the transition disc (2-11) abuts against the axial end face of the water distribution disc assembly, and the contact end faces of the transition disc (2-11) and the water distribution disc assembly are provided with a;
the pressing ring (2-13) is located on the circumferential outer side of the water distribution disc assembly, a first shaft shoulder (2-131) extending radially inwards is arranged at one axial end, away from the high-pressure cutter disc (2-12), of the pressing ring (2-13), and the water distribution disc assembly is axially pressed between the first shaft shoulder (2-131) and the transition disc (2-11);
the axial end face, far away from transition dish (2-11), of water distribution dish subassembly is last to have a plurality of water holes of joining in marriage (2-31), the surface of high pressure cutter dish (2-12) has delivery port (2-17), and the coolant liquid is by one of them water hole of joining in marriage (2-31) in proper order through behind water distribution dish subassembly, transition dish (2-11) and high pressure cutter dish (2-12) follow delivery port (2-17) are exported.
2. The numerically controlled lathe high-pressure cooling cutter head according to claim 1, wherein: the outer diameter of the water distribution disc assembly is smaller than that of the transition disc (2-11).
3. The numerically controlled lathe high-pressure cooling cutter head according to claim 1, wherein: the compression ring (2-13) is also provided with a second shaft shoulder (2-132) extending outwards in the radial direction, and a first screw (2-14) penetrates through the second shaft shoulder (2-132) to be fixed with the transition disc (2-11) and the high-pressure cutter disc (2-12).
4. The numerically controlled lathe high-pressure cooling cutter head according to claim 1, wherein: the water outlets (2-17) are positioned on the axial end faces, close to the transition discs (2-11), of the high-pressure cutter discs (2-12).
5. The numerically controlled lathe high-pressure cooling cutter head according to claim 1, wherein: the cooling liquid sequentially penetrates through the water distribution disc assembly and the transition disc (2-11) along the axial direction.
6. The numerically controlled lathe high-pressure cooling cutter head according to any one of claims 1 to 5, characterized in that: the water distribution plate assembly comprises a positioning plate (2-1) and a water distribution plate (2-3) fixed on the circumferential outer side of the positioning plate (2-1), a shaft hole is formed in the center of the positioning plate (2-1), the sealing ring (2-8) is located on the contact end face of the water distribution plate (2-3) and the transition plate (2-11), and the water distribution hole (2-31) is located on the axial end face of the water distribution plate (2-3).
7. The numerically controlled lathe high-pressure cooling cutter head according to claim 6, wherein: the outer edge of the positioning disc (2-1) is provided with a plurality of notches suitable for clamping second screws (2-2), and the second screws (2-2) are fixed on the end face of the water distribution disc (2-3) so as to circumferentially fix the water distribution disc (2-3) and the positioning disc (2-1).
8. A cooling tool post, characterized in that: the numerical control lathe high-pressure cooling cutter head comprises a servo motor (2-18), a cutter platform body (2-4), a main shaft (2-10) and the numerical control lathe high-pressure cooling cutter head of any one of claims 1-7, wherein the servo motor (2-18) drives the main shaft (2-10) to rotate, the main shaft (2-10) sequentially penetrates through the cutter platform body (2-4), a water distribution disc assembly, a transition disc (2-11) and the high-pressure cutter head (2-12), and the numerical control lathe high-pressure cooling cutter head synchronously rotates along with the main shaft (2-10);
the end face of the water distribution disc assembly provided with the water distribution holes (2-31) is in contact with the end face of the cutter table body (2-4), the surface of the cutter table body (2-4) is provided with a water inlet (2-7), and cooling liquid enters the water distribution holes (2-31) from the water inlet (2-7) through an internal channel of the cutter table body (2-4).
9. The cooled tool block of claim 8, wherein: the end face, facing the water distribution hole (2-31), of the cutter table body (2-4) is provided with a deep hole (2-41) communicated with the water inlet (2-7), a copper water nozzle (2-5) suitable for being abutted to the surface of the water distribution disc assembly is arranged in the deep hole (2-41), and the copper water nozzle (2-5) is communicated with the water distribution hole (2-31).
10. The cooling tool block of claim 9, wherein: and a spring (2-6) is also arranged between the copper water nozzle (2-5) and the inner bottom surface of the deep hole (2-41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114346275A (en) * | 2022-01-25 | 2022-04-15 | 宁波海天精工股份有限公司 | Servo turret with odd cutter positions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114346275A (en) * | 2022-01-25 | 2022-04-15 | 宁波海天精工股份有限公司 | Servo turret with odd cutter positions |
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