CN215509016U - Cutting assembly for a turret - Google Patents

Abstract

The utility model discloses a cutting assembly for a turret, which comprises a cutter bar, a nozzle, a blade and a fluid director; the nozzle and the blade are arranged at one end of the cutter bar; the interior of the cutter rod and the interior of the nozzle are provided with a communicated cooling channel, and a fluid discharge hole of the nozzle is arranged opposite to the blade; one end of the cutter bar, which is far away from the blade, is matched with the fluid director, and the fluid director is fixed on the cutter tower; and a drainage pipeline is arranged in the fluid director, and can acquire fluid from the cutter tower and convey the fluid into the cooling channel. According to the utility model, the fluid is guided into the internal cooling structure by the fluid guider and is accurately sprayed onto the blade, the fluid is conveyed inside the cutting assembly, the flow velocity of the fluid is not influenced by the outside, an external hose is not required, and the rapid chip removal is facilitated.

Description

Cutting assembly for a turret

Technical Field

The utility model relates to the technical field of cutting machining, in particular to a cutting assembly for a turret.

Background

With the more and more perfect domestic manufacturing industry and the more and more mature automation equipment, great challenges are faced in the unmanned on duty connection line manufacturing on turning processing lines and milling processing lines, and the challenges come from the long-time operation stability of the equipment.

At present, part of cutters are provided with a cutter point internal cooling function, and can be matched with a proper chip breaker under certain cutting fluid pressure to achieve the purpose of chip breaking, but the installation of the cutters is not friendly, for example, the cutter disclosed by the Chinese utility model patent with the publication number of CN209716491U needs to be connected with a section of hose by using the cutter point cooling function, if a softer and thinner hose is used, the hose is difficult to install in a narrow space, even the installation cannot be carried out, the pipeline can interfere the use of other nearby cutters, the rotary cutter changing of a cutter tower is influenced, and chips can be hung on the pipeline or wound by chips. Thereby affecting the normal operation of the automation.

Like the chinese utility model patent with the publication number CN203900522U, the coolant is sprayed to the tool nose by using a section of hose, and the chip removal is affected by the high and convex pipe, and the subsequent automatic operation is affected by the winding of the chips on the pipe.

SUMMERY OF THE UTILITY MODEL

The present invention provides a cutting assembly for a turret that solves one or more of the above-mentioned problems of the prior art.

According to one aspect of the present invention, there is provided a cutting assembly for a turret, comprising a tool bar, a nozzle, a blade, and a deflector;

the nozzle and the blade are arranged at one end of the cutter bar; the interior of the cutter rod and the interior of the nozzle are provided with a communicated cooling channel, and a fluid discharge hole of the nozzle is arranged opposite to the blade;

one end of the cutter bar, which is far away from the blade, is matched with the fluid director, and the fluid director is fixed on the cutter tower; and a drainage pipeline is arranged in the fluid director, and can acquire fluid from the cutter tower and convey the fluid into the cooling channel.

The cutting assembly has the advantages that the cutting assembly is simple in structure, all the parts have enough rigidity, and deformation is not easy to occur. The fluid is guided by the fluid guider to enter the cutter bar with the internal cooling structure, and is accurately sprayed onto the blade through the fluid discharge hole on the nozzle, so that the cooling effect can be improved, the stability of the blade is improved, and the cutting effect is ensured. The fluid conveys in inside cooling structure, can reduce the influence of external environment and equipment to the fluid, guarantees that the fluid sprays from the nozzle and play sufficient velocity of flow, pressure occasionally, improves the chip breaking effect, the quick chip removal of being convenient for. In addition, the utility model does not need an external hose, is simple and convenient to install, does not influence the operation of the cutter tower, and ensures the automatic operation of the cutter tower.

In some embodiments, the outer surface of the tool bar is provided with cooling holes, and the cooling holes are communicated with the cooling channel;

the outer surface of the fluid director is provided with two drainage holes which are communicated with the drainage pipeline; one drainage hole can be matched with the knife tower to ensure that fluid enters a drainage pipeline; the other drainage hole can be matched with the cooling hole, so that the drainage pipeline is communicated with the cooling channel.

The fluid director is respectively communicated with the fluid supply pipeline on the turret and the cooling channel in the cutter bar through the two drainage holes, so that the smooth transmission of fluid can be ensured.

In some embodiments, a sealing counter bore is arranged at the outer side of the drainage hole; the sealing counter bore and the drainage hole are concentrically arranged; and a sealing ring is arranged in the sealing counter bore.

The tool turret fluid supply pipeline has the beneficial effects that through the matching of the sealing counter bore and the sealing ring, the sealing performance between the drainage pipeline and the cooling channel and the sealing performance between the drainage pipeline and the tool turret fluid supply pipeline can be improved, and the fluid leakage is prevented.

In some embodiments, the drain line comprises a first line and a second line that are perpendicular to each other and that communicate with each other; one end of the first pipeline, which is far away from the second pipeline, is communicated with a drainage hole; one end of the second pipeline far away from the first pipeline is communicated with the other drainage hole.

The knife tower has the beneficial effects that the first pipeline and the second pipeline are mutually vertical, so that the two drainage holes can be arranged on two mutually vertical side surfaces of the fluid director, and the matching surface of the fluid director and the knife tower and the matching surface of the fluid director and the knife bar are mutually vertical, thereby being convenient for installation and disassembly.

In some embodiments, the drainage line further comprises a third line, and the first line, the second line and the third line are perpendicular to each other; one end of the third pipeline is communicated with the first pipeline, and the other end of the third pipeline is connected with the outer surface of the fluid director; the second pipeline is communicated with the middle part of the third pipeline.

The flow guide device has the beneficial effects that the third pipeline is arranged, so that the two drainage holes are arranged on the two vertical and nonadjacent side surfaces of the flow guide device, and sufficient mounting, mounting and dismounting spaces are provided for the cutter bar and the flow guide device. On the other hand, the diversion hole can also be matched with the cooling hole on the cutter bar, so that the third pipeline is communicated with the cooling channel, and a plurality of installation sites are provided for the cutter bar.

In some embodiments, the outer surface of the fluid director is provided with a fluid-directing hole, and one end of the third pipeline far away from the first pipeline is communicated with the fluid-directing hole; the water conservancy diversion hole can cooperate with external end cap.

The flow guide hole has the beneficial effects that the flow guide hole can be sealed by the external plug, so that fluid leakage is prevented.

In some embodiments, the cutter bar is provided with a bolt through hole, and the tail part of the bolt can penetrate through the bolt through hole and is fixed on the cutter tower; the bolt through hole is circular or notch-shaped;

the fluid director is provided with a fastening through hole, and the tail part of the bolt can penetrate through the fastening through hole and is fixed on the cutter tower.

The tool holder and/or the fluid director is fixed on the tool tower through the bolt, a locking mode of the bolt can provide larger locking force, the tool is better in installation rigidity, and the tool can bear larger cutting depth. The number of the bolt through holes and the number of the fastening through holes may be one or more.

In some embodiments, the end of the tool bar away from the blade is a handle part, and the handle part is a rectangular cylinder structure; the height of the handle is 1.0-2.5 times the width of the handle.

The handle is in a rectangular column structure, the height of the handle is equal to 1.0-2.5 times of the width of the handle, so that the cutter bar has better bending resistance and good anti-seismic effect and can bear larger cutting depth.

Drawings

FIG. 1 is a schematic view of the cutting assembly for a turret in accordance with example 1 in cooperation with the turret;

FIG. 2 is a schematic view of the cutting assembly of example 1 mated to a turret at another angle;

fig. 3 is a perspective view of the fluid director in embodiment 1;

FIG. 4 is a schematic perspective view of another angle of the fluid director shown in FIG. 3;

FIG. 5 is a side view of the deflector shown in FIG. 3;

FIG. 6 is a cross-sectional view of the fluid director of FIG. 5 taken along line A-A;

FIG. 7 is a schematic view showing a structure of fitting the cutter bar, the cutter blade and the nozzle in embodiment 1;

FIG. 8 is another perspective view of the tool holder, blade and nozzle arrangement of FIG. 7;

FIG. 9 is a bottom view of the knife bar, knife blade and nozzle mating structure shown in FIG. 7;

FIG. 10 is a side view of a tool holder, a blade, and a nozzle fitting structure according to embodiment 2;

FIG. 11 is a perspective view of a fluid director in example 3;

fig. 12 is a schematic view showing an inner structure of the fluid guider shown in fig. 11.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Example 1

Fig. 1 to 9 schematically show the cutting assembly for a turret of the present embodiment. As shown, the assembly includes a knife bar 201, a nozzle 10, a knife blade 260, and a deflector 120.

The tool bar 201 comprises a head 202 and a handle 203 which are fixedly connected, and the handle 203 is in a rectangular cylinder structure. The nozzle 10 and the blade 260 are provided at the head 202 of the tool holder 201, wherein the shank 203 has a height and a width equal to each other. Thus, the cutter bar 201 has good bending resistance and good anti-seismic effect, and can bear larger cutting depth.

The shank 203 of the tool holder 201 is provided with 4 circular bolt through holes 221 parallel to the bottom surface of the shank 203, and is fixed by bolts. The rear end of the bolt passes through the bolt through hole 221 and is fixed in the axial threaded hole 103 of the turret 101, thereby firmly fixing the tool bar 201 to the turret 101. The bolt is used for locking, so that a larger locking force can be provided, the rigidity of the cutter is improved, and the cutter can bear larger cutting depth.

The end of the shank 203 of the tool shank 201 remote from the blade 260 is fitted with a flow director 120, which flow director 120 is capable of communicating with the fluid supply conduit 104 of the turret 101. The interior of the tool shank 201 and the interior of the nozzle 10 are provided with cooling passages communicating with each other. The end of the nozzle 10 opposite to the blade 260 is provided with a fluid discharge hole 6, and after entering the cooling channel inside the cutter bar 201, the fluid can enter the cooling channel inside the nozzle 10 and then is sprayed to the blade 260 through the fluid discharge hole 6.

A plurality of cooling holes 217,218,219 are provided in the shank 203 of the tool shank 201 and the side of the head 202 of the tool shank 201 remote from the insert 260, the cooling holes 217,218,219 communicating with a cooling passage within the tool shank 201. Cooling fluid may be provided to the cooling passage inside the tool bar 201 through the cooling holes 217,218,219.

The fluid director 120 is a block structure, two fastening through holes 126 are formed in the fluid director 120 and extend from the top surface to the bottom surface, and the tail end of the bolt penetrates through the fastening through holes 126 and is fixed in the radial threaded hole 102 on the turret 101, so that the fluid director 120 is firmly fixed on the turret 101.

The fluid director 120 is provided with a notch, a radial rib 127 and an axial rib 128 are formed at the notch, and a drainage hole 121 is respectively arranged on the bottom surface of the fluid director 120 and the radial rib 127. The outside of drainage hole 121 is equipped with sealed counter bore 122, and sealed counter bore 122 sets up with drainage hole 121 is concentric to the outside diameter of sealed counter bore 122 is greater than the diameter of drainage hole 121.

The inside of the fluid director 120 is provided with a drainage pipeline, and the drainage pipeline comprises a first pipeline 123, a second pipeline 124 and a third pipeline 125 which are vertical to each other in pairs.

One end of the first pipeline 123 is communicated with one end of the third pipeline 125, one end of the third pipeline 125 far away from the first pipeline 123 extends to the outer surface of the flow guider 120, and one end of the second pipeline 124 is communicated with the middle part of the third pipeline 125.

The first pipe 123 has an axial direction perpendicular to the bottom surface of the flow guide 120, and the third pipe 125 has an axial direction parallel to the bottom surface of the flow guide 120. And one end of the first pipeline 123 far away from the third pipeline 125 is connected with the drainage hole 121 on the bottom surface of the fluid director 120, and one end of the second pipeline 124 far away from the third pipeline 125 is communicated with the drainage hole 121 on the radial flange 127 of the fluid director 120. A diversion hole 129 is formed in the side surface of the diversion device 120, and one end of the third pipeline 125 far away from the first pipeline 123 is connected with the diversion hole 129. The flow guide hole 129 is internally provided with internal threads which can be in threaded fit with an external plug provided with external threads, so that the flow guide hole 129 is sealed.

The fluid director 120 is fixed on the turret 101 through bolts, the bottom surface of the fluid director 120 is in contact with the surface of the turret 101, the drainage hole 121 on the bottom surface of the fluid director 120 can be communicated with the fluid supply pipeline 104 on the turret 101, and fluid in the fluid supply pipeline 104 enters a drainage pipeline through the drainage hole 121 on the bottom surface of the fluid director 120.

The drainage holes 121 on the radial rib 127 of the flow guider 120 can be communicated with the cooling holes 217 and 219 on the cutter bar 201, and in the embodiment, the drainage holes 121 on the radial rib 127 of the flow guider 120 are connected with the cooling holes 217 on the bottom surface of the handle part 203 on the cutter bar 201. Fluid in the drainage pipeline inside the fluid director 120 can enter the cooling channel inside the cutter bar 201 through the drainage holes 121 and the cooling holes 217, further flow to the nozzle 10, and is sprayed to the blade 260 through the fluid discharge holes 6.

Specifically, when the cutting assembly of the present embodiment is used, the cutting blade 260 and the nozzle 10 are first mounted on the tool post 201, and then the deflector 120 and the tool post 201 are fixed to the turret 101 by bolts. When the fluid director 120 and the cutter bar 201 are installed, a sealing ring is installed in the sealing counter bore 122 outside the drainage hole 121, so that the sealing performance between the bottom surface of the fluid director 120 and the cutter tower 101 and the sealing performance between the radial flange 127 of the fluid director 120 and a cooling channel inside the cutter bar 201 can be improved, and fluid leakage is prevented. The diversion hole 129 on the side surface of the flow guider 120 and the cooling holes 218 and 219 on the cutter rod 201 which are not matched with the flow guider 120 are blocked by adopting an external plug, so that the fluid is prevented from leaking. Fluid provided by a fluid supply pipeline 104 on the turret 101 enters a drainage pipeline through a drainage hole 121 on the bottom surface of the flow guider 120, flows through a first pipeline 123, a third pipeline 125 and a second pipeline 124, enters a cooling hole 217 on the bottom surface of the handle 203 of the cutter bar 201 through the drainage hole 121 on the radial rib 127, enters a cooling channel inside the cutter bar 201, then flows into a cooling channel inside the nozzle 10, and finally is sprayed onto the blade 260 through a fluid discharge hole 6 on the nozzle 10, so that the stability of the blade 260 is improved, and the service life of the blade is prolonged. Under the condition that the flow speed and the pressure of the fluid are enough, the chips can be broken, and the chip removal efficiency is improved.

Example 2

Fig. 10 schematically shows a fitting view of the cutter bar 201, the nozzle 10 and the blade 260 of the cutting assembly for the turret according to the present embodiment, which is different from embodiment 1 in that:

the blade 260 is disposed on the central axis between the bottom surface and the top surface of the shank 203, i.e., the blade 260 is perpendicular to the bottom surface of the shank 203 by a distance 1.25 times the width of the shank 203 in cross section along the plane of the blade 260, i.e., the height of the shank 203 is 2.5 times the width. Thus, the cutter bar 201 has good bending resistance and good anti-seismic effect, and can bear larger cutting depth.

The 4 bolt through holes 221 of the shank 203 of the tool bar 201 are notch-shaped, so that the tool bar 201 can slide in a certain distance along the radial direction of the turret 101, which is beneficial to adjusting the installation length of the tool bar 201 and allowing the fluid of the fluid guider 120 to flow into the tool bar 201 in a non-leakage manner.

Example 3

Fig. 11 and 12 schematically show a deflector 120 for a cutting assembly of a turret according to the present embodiment, which is different from embodiment 1 in that:

the blade 260 is disposed on the central axis between the bottom surface and the top surface of the handle 203, i.e., the perpendicular distance between the blade 260 and the bottom surface of the handle 203 is equal to the width of the cross-section of the handle 203 along the plane of the blade 260, i.e., the height of the handle 203 is 2 times the width. Thus, the cutter bar 201 has good bending resistance and good anti-seismic effect, and can bear larger cutting depth.

The two drainage holes 121 on the flow guider 120 are respectively arranged on the bottom surface and the axial rib 128 of the flow guider 120, the drainage pipeline comprises a first pipeline 123 and a second pipeline 124 which are perpendicular to each other, and the third pipeline 125 is not arranged. The drainage hole 121 on the axial rib 128 of the flow guider 120 is communicated with the cooling hole 218 on the cutter rod 201; fluid enters the drainage pipeline from the fluid supply pipeline 104 on the cutter tower 101, flows through the first pipeline 123 and the second pipeline 124 and directly enters the cooling channel inside the cutter bar 201.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (8)

1. The cutting assembly for the cutter tower is characterized by comprising a cutter rod (201), a nozzle (10), a blade (260) and a flow guider (120);

the nozzle (10) and the blade (260) are arranged at one end of the cutter bar (201); a cooling channel communicated with the interior of the cutter bar (201) and the interior of the nozzle (10) is configured, and a fluid discharge hole (6) of the nozzle (10) is arranged opposite to the blade (260);

one end of the cutter bar (201) far away from the blade (260) is matched with the fluid director (120), and the fluid director (120) is fixed on the cutter tower (101); and a drainage pipeline is arranged inside the flow guider (120), and can acquire fluid from the cutter tower (101) and convey the fluid into the cooling channel.

2. The cutting assembly for a tool turret according to claim 1, characterized in that the outer surface of the tool bar (201) is provided with a cooling hole (217,218,219), the cooling hole (217,218,219) communicating with the cooling channel;

the outer surface of the fluid director (120) is provided with two drainage holes (121), and the two drainage holes (121) are both communicated with the drainage pipeline; one of said drainage apertures (121) being adapted to cooperate with a fluid supply conduit (104) of said turret (101) to allow fluid to enter said drainage line; the other drainage hole (121) can be matched with the cooling hole (217,218,219) to enable the drainage pipeline to be communicated with the cooling channel.

3. The cutting assembly for a turret according to claim 2, wherein the outside of the drainage hole (121) is provided with a sealing counterbore (122); the sealing counter bore (122) is arranged concentrically with the drainage hole (121); and a sealing ring is arranged in the sealing counter bore (122).

4. The cutting assembly for a turret according to claim 2, wherein the drainage duct comprises a first duct (123) and a second duct (124) perpendicular to each other and communicating with each other; one end of the first pipeline (123) far away from the second pipeline (124) is communicated with one drainage hole (121); one end of the second pipeline (124) far away from the first pipeline (123) is communicated with the other drainage hole (121).

5. The cutting assembly for turrets according to claim 4, wherein the drainage line further comprises a third line (125), the first line (123), the second line (124) and the third line (125) being perpendicular two by two; one end of the third pipeline (125) is communicated with the first pipeline (123), and the other end of the third pipeline (125) is connected with the outer surface of the fluid director (120); the second pipeline (124) is communicated with the middle part of the third pipeline (125).

6. The cutting assembly for a turret according to claim 5, wherein the deflector (120) has a deflector hole (129) on its outer surface, and the end of the third duct (125) remote from the first duct (123) communicates with the deflector hole (129); the diversion hole (129) can be matched with an external plug.

7. The cutting assembly for a turret according to claim 2, wherein the tool bar (201) is provided with a bolt through hole (221), and a tail of a bolt can pass through the bolt through hole (221) and be fixed on the turret (101); the bolt through hole (221) is circular or notch-shaped;

the flow guider (120) is provided with a fastening through hole (126), and the tail part of a bolt can penetrate through the fastening through hole (126) and be fixed on the cutter tower (101).

8. The cutting assembly for a turret according to any of claims 1 to 7, wherein the end of the tool holder (201) remote from the insert (260) is a shank (203), the shank (203) having a rectangular cylinder structure; the height of the shank (203) is 1.0-2.5 times the width of the shank (203).

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