CN212761166U - Turning cutter with coolant liquid transmission channel - Google Patents
Turning cutter with coolant liquid transmission channel Download PDFInfo
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- CN212761166U CN212761166U CN202021572849.3U CN202021572849U CN212761166U CN 212761166 U CN212761166 U CN 212761166U CN 202021572849 U CN202021572849 U CN 202021572849U CN 212761166 U CN212761166 U CN 212761166U
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Abstract
The utility model discloses a turning cutter with coolant liquid transmission channel, including cutter body, blade, nozzle assembly and seal assembly, the blade is installed in the sword inslot of cutter body, nozzle assembly includes the nozzle body and compresses tightly the piece, the nozzle body compresses tightly on the cutter body through compressing tightly the piece, the nozzle body has coolant liquid transmission channel and spout, coolant liquid transmission channel's export is located to the spout, the spout is towards the cutting edge of blade, the cutter body has interior cold passageway and with the sealed mounting hole of interior cold passageway intercommunication, nozzle body bottom surface is equipped with sealed bulge, sealed bulge block in the sealed mounting hole, seal assembly locates in the sealed mounting hole, coolant liquid transmission channel's entry extends to sealed bulge, interior cold passageway and coolant liquid transmission channel's entry intercommunication. The utility model discloses cooling efficiency is high, and sealed bulge cooperation seal assembly seals the linking position between internal cold passageway and the coolant liquid transmission channel, avoids the coolant liquid to leak.
Description
Technical Field
The utility model relates to a cutting process field especially relates to a turning cutter with coolant liquid transmission channel.
Background
In the turning of difficult-to-machine materials such as high-temperature alloy, titanium alloy, stainless steel and the like, the cutting temperature is higher, the breakage of chips is relatively difficult, and in order to better carry away cutting heat and prolong the service life of a cutter, cooling liquid is required to be used for cooling a cutting blade. The coolant liquid adopts externally usually in the cooling process of traditional lathe tool, and the coolant liquid is drenched formula injection at blade rake face under this kind of condition, and coolant liquid pressure is little, can't be accurate cools off cutting area, leads to the cooling and lubrication effect not good. Interior cold or high-pressure cooling lathe tool can show and compensate not enough of current lathe tool, and cooling liquid pressure obtains improving, can reach the high-pressure cooling more than 70Bar even, can carry out accurate injection to the cutting edge, is showing and improves the cooling effect, improves the smear metal appearance, improves the cutter life-span by a wide margin.
To achieve internal cooling or high pressure cooling, it is common to add a nozzle attachment or provide a coolant flow platen to the conventional lathe tool. However, no structural solution is mentioned for sealing the cooling liquid channel, and the introduction of the nozzle affects the convenience of blade mounting and dismounting.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a turning cutter with coolant liquid transmission channel that cooling efficiency height can avoid the coolant liquid to leak.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a turning tool with a coolant transmission channel comprises a tool body, a blade, a nozzle assembly and a sealing assembly, the blade is arranged in a cutter groove of the cutter body, the nozzle assembly comprises a nozzle body and a pressing piece, the nozzle body is pressed on the cutter body through the pressing piece, and the nozzle body is arranged at the rear end of the blade and is provided with a cooling liquid transmission channel and a nozzle, the nozzle is arranged at the outlet of the cooling liquid transmission channel, faces to the cutting edge of the blade, the cutter body is provided with an inner cooling channel and a seal mounting hole communicated with the inner cooling channel, the bottom surface of the nozzle body is provided with a sealing bulge which is clamped in the sealing mounting hole, the sealing component is arranged in the sealing mounting hole, and is matched with the sealing bulge, the inlet of the cooling liquid transmission channel extends to the sealing bulge, and the inner cooling channel is communicated with the inlet of the cooling liquid transmission channel.
As a further improvement of the above technical solution:
the sealing assembly comprises a sealing column tube and a spring, a limiting step is arranged between the inner cooling channel and the sealing installation hole, the spring is abutted against the limiting step, the sealing column tube is arranged between the spring and the sealing bulge, a first sealing ring is arranged between the end face of the sealing column tube and the sealing bulge, a second sealing ring is arranged between the cylindrical surface of the sealing column tube and the inner wall of the sealing installation hole, and two ends of an inner hole of the sealing column tube are communicated with the cooling liquid transmission channel and the inner cooling channel respectively.
The pressing piece is a pressing screw.
The nozzle body is provided with a pressing convex part on the bottom surface of one end of the blade, a pressing guide inclined plane on one end of the sealing convex part, the pressing convex part is arranged in a central hole of the blade, the cutter groove is provided with a groove bottom surface and a groove side surface, and the cutter body is provided with a matched inclined plane which can be matched with the pressing guide inclined plane to enable the pressing convex part to tension the blade to lean against the groove side surface.
The hole on the nozzle body for the compression screw to pass through is a kidney-shaped hole.
The axis of the compression screw is arranged on one side of a connecting line between the center of the inlet of the cooling liquid transmission channel and the center of the blade.
The bottom surface of the groove is an inclined plane from inside to outside, and the top surface of the blade is parallel to the bottom surface of the groove.
The bottom surface of one end of the nozzle body, which is close to the blade, is provided with a pressing surface, the pressing surface is pressed on the top surface of the blade, and the top surface of the blade is higher than the bottom surface of the nozzle body.
A turning tool with a coolant transmission channel comprises a tool body, a blade and a nozzle assembly, wherein the blade is arranged in a tool groove of the tool body, the nozzle assembly comprises a nozzle body and a pressing piece, the nozzle body is pressed on the cutter body through the pressing piece, and the nozzle body is arranged at the rear end of the blade and is provided with a cooling liquid transmission channel and a nozzle, the nozzle is arranged at the outlet of the cooling liquid transmission channel, faces to the cutting edge of the blade, the cutter body is provided with an inner cooling channel and a seal mounting hole communicated with the inner cooling channel, the bottom surface of the nozzle body is provided with a sealing bulge which is clamped in the sealing mounting hole, the sealing device is characterized in that a sealing ring is arranged between the peripheral surface of the sealing convex part and the inner wall of the sealing mounting hole, the inlet of the cooling liquid transmission channel extends to the sealing convex part, and the inner cooling channel is communicated with the inlet of the cooling liquid transmission channel.
As a further improvement of the above technical solution:
the blade is fastened in the cutter groove of the cutter body through a threaded fastener; the top surface of the blade is parallel to the horizontal plane, and one end of the nozzle body, which is close to the blade, is provided with a pressing surface, and the pressing surface is pressed on the top surface of the blade.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a turning cutter with coolant liquid transmission channel, the spout of nozzle body can accurately spray the coolant liquid to the cutting edge of blade on, cool off the cutting edge, the spout position is close to the blade cutting edge, and cooling efficiency is high, thereby reinforcing cooling effect, improve the life of cutter, the setting up of sealed bulge fixes a position the nozzle body on the one hand, on the other hand, cooperation seal assembly seals linking position between internal cold channel and the coolant liquid transmission channel, avoids the coolant liquid to leak.
(2) The utility model discloses a turning cutter with coolant liquid transmission path, simple operation when the blade loading and unloading loosens housing screw, and the clamp plate can lift up by oneself, and the nozzle compresses tightly the blade reliably, can realize the sealed of coolant liquid.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a view G-G of fig. 1.
Fig. 3 is a schematic front view of the nozzle body according to embodiment 1 of the present invention.
Fig. 4 is a schematic top view of the nozzle body according to embodiment 1 of the present invention.
Fig. 5 is a schematic view of a coolant spraying process in embodiment 1 of the present invention.
Fig. 6 is a schematic structural diagram of the sealing column tube, the first sealing ring and the second sealing ring in embodiment 1 of the present invention.
Fig. 7 is a schematic structural view of embodiment 2 of the present invention.
Fig. 8 is a schematic view of the nozzle body assembly structure according to embodiment 2 of the present invention.
Fig. 9 is a schematic front view of a nozzle body according to embodiment 2 of the present invention.
Fig. 10 is a schematic top view of a nozzle body according to embodiment 2 of the present invention.
The reference numerals in the figures denote:
1. a cutter body; 101. the bottom surface of the groove; 102. a groove side surface; 103. a mating bevel; 11. a cutter groove; 12. an internal cooling channel; 13. sealing the mounting hole; 14. a limiting step; 2. a blade; 21. a central bore; 22. a shim; 23; a shim screw; 3. a nozzle assembly; 301. a coolant transfer passage; 302. a spout; 303. branch pipelines; 31. a nozzle body; 32. a sealing projection; 33. a compression screw; 34. a compression boss; 35. pressing the guide inclined plane; 36. a kidney-shaped hole; 37. a compression surface; 4. a seal assembly; 41. sealing the column tube; 42. a spring; 43. a first seal ring; 44. a second seal ring; 5. a threaded fastener; 6. and (5) sealing rings.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Example 1
As shown in fig. 1 to 6, the turning tool with a coolant transmission channel of the present embodiment includes a tool body 1, a blade 2, a nozzle assembly 3 and a sealing assembly 4, the blade is installed in a tool slot 11 of the tool body 1, the nozzle assembly 3 includes a nozzle body 31 and a pressing member, the nozzle body 31 is pressed on the tool body 1 by the pressing member, the nozzle body 31 is disposed at the rear end of the blade 2, the nozzle body 31 has a coolant transmission channel 301 and a nozzle opening 302, the nozzle opening 302 is disposed at an outlet of the coolant transmission channel 301, the nozzle opening 302 faces a cutting edge of the blade 2, the tool body 1 has an internal cooling channel 12 and a seal installation hole 13 communicated with the internal cooling channel 12, the bottom surface of the nozzle body 31 is provided with a seal protrusion 32, the seal protrusion 32 is engaged with the seal installation hole 13, the sealing assembly 4 is disposed in the seal installation hole 13 and engaged with the seal protrusion 32, an inlet of the coolant transmission channel 301 extends to the seal protrusion 32, the inner cooling passage 12 communicates with an inlet of the cooling liquid transfer passage 301.
During operation, the cooling liquid enters the inner cooling channel 12 of the cutter body 1, enters the cooling liquid transmission channel 301 through the inner cooling channel 12, and is sprayed to the cutting edge of the blade 2 from the nozzle 302 accurately to cool the cutting edge of the blade 2, the nozzle 302 is close to the blade 2, and the cooling efficiency is high. The sealing protrusion 32 is disposed to position the nozzle body 31, and is fitted with the sealing member 4 to seal the joint between the inner cooling channel 12 and the cooling liquid transmission channel 301, thereby preventing the cooling liquid from leaking.
In this embodiment, two nozzles 302 are provided, each nozzle 302 is communicated with the coolant delivery passage 301 through a branch conduit 303, as shown in fig. 5, the two nozzles 302 face the cutting edges on both sides of the nose of the blade 2, and the coolant can reach the cutting edge given points P1 and P2 of the blade 2.
In this embodiment, the front end of the nozzle body 31 is located at the center of the blade 2, so as to reduce the distance between the nozzle 302 and the cutting edge of the blade 2 and improve the cooling effect.
In this embodiment, the sealing assembly 4 includes a sealing pillar tube 41 and a spring 42, a limit step 14 is provided between the inner cooling channel 12 and the sealing mounting hole 13, the spring 42 abuts against the limit step 14, the sealing pillar tube 41 is provided between the spring 42 and the sealing protrusion 32, a first sealing ring 43 is provided between the end surface of the sealing pillar tube 41 and the sealing protrusion 32, a second sealing ring 44 is provided between the cylindrical surface of the sealing pillar tube 41 and the inner wall of the sealing mounting hole 13, and two ends of the inner hole of the sealing pillar tube 41 are respectively communicated with the cooling liquid transmission channel 301 and the inner cooling channel 12. In order to improve the sealing effect, two second seal rings 44 are provided. The cylinder of sealed pillar pipe 41 is equipped with the second seal groove, and second sealing washer 44 is located the second seal groove, and in the same way, the terminal surface of sealed pillar pipe 41 is equipped with first seal groove, and first sealing washer 43 is located in the first seal groove.
One end of the spring 42 acts on the sealing cylinder 41, the other end acts on the limit step 14 of the cutter body 1, the first sealing ring 43 of the sealing cylinder 41 is sealed with the sealing bulge 32 by the elastic force of the spring 42, and when the pressing piece is released, the nozzle body 31 is automatically bounced to facilitate the replacement of the blade 2.
In this embodiment, the pressing member is a pressing screw 33. The hole of the nozzle body 31 through which the pressing screw 33 can pass is a kidney-shaped hole 36. The nozzle body 31 is provided with a pressing protrusion 34 at the bottom surface of one end of the insert 2, a pressing guide slope 35 at one end of the sealing protrusion 32, the pressing protrusion 34 is provided in the central hole 21 of the insert 2, the pocket 11 is provided with a pocket bottom surface 101 and a pocket side surface 102, and the cutter body 1 is provided with a mating slope 103 which can cooperate with the pressing guide slope 35 to make the pressing protrusion 34 tighten the insert 2 against the pocket side surface 102. As shown in fig. 2, after the nozzle body 31 is mounted, the pressing screw 33 is rotated, the pressing guide inclined surface 35 moves downward along the mating inclined surface 103 along with the pressing of the pressing screw 33, the entire nozzle body 31 moves leftward, the pressing protrusion 34 tensions the insert 2 leftward, the insert 2 abuts against the groove side surface 102, and finally the pressing screw 33 is tightened. The kidney-shaped hole 36 is provided to facilitate the leftward movement of the nozzle body 31. The nozzle body 31 not only achieves cooling, but also can press the blade 2.
In this embodiment the slot bottom surface 101 is beveled from the inside to the outside and the top surface of the insert 2 is parallel to the slot bottom surface 101. The blade 2 has a downward trend in the blade groove 11, and the blade 2 is tightly pressed on the groove side surface 102 through the pressing convex part 34, the pressing guide inclined surface 35 and the matched inclined surface 103, so that the positioning and mounting stability of the blade 2 is improved. In this embodiment, the blade 2 is completely pressed by the pressing protrusion 34 of the front end of the nozzle body 31 against the pressing protrusion 34. The lower end of the blade 2 is provided with a shim 22, the shim 22 is fastened by a shim screw 23, and the blade 2 has no additional fastener.
In this embodiment, the bottom surface of the nozzle body 31 near the end of the blade 2 has a pressing surface 37, the pressing surface 37 presses on the top surface of the blade 2, and the top surface of the blade 2 is higher than the bottom surface of the nozzle body 31. The pressing surface 37 is lower than the bottom surface of the nozzle body 31 so that the top surface of the blade 2 can be pressed. The difference in height between the top surface (pressing surface 37) of the blade 2 and the bottom surface of the nozzle body 31 is preferably 0.5 mm. As shown in fig. 5, the bottom surface of the nozzle body 31 is a plane S1, and the top surface of the blade 2 is a plane S2.
In this embodiment, the axis of the pressing screw 33 is on the side of the line connecting the center of the inlet of the coolant transfer passage 301 and the center of the insert 2. The set screw 33 can avoid the coolant liquid transmission channel 301, and the coolant liquid transmission channel 301 is relatively free in position, and the length, the number and the pipe diameter are not influenced, so that the whole layout is convenient.
Example 2
Fig. 7 to 10 show that the turning tool with coolant conveyance channels of the present embodiment differs from embodiment 1 in that:
in the present embodiment, the seal post 41 and the spring 42 are not provided, the seal protrusion 32 of the nozzle body 31 is lengthened, the seal protrusion 32 engages with the seal mounting hole 13, the seal rings 6 are provided between the peripheral surface of the seal protrusion 32 and the inner wall of the seal mounting hole 13, and preferably two sets of seal rings 6 are provided. Accordingly, the limit step 14 is not required.
In this embodiment, the top surface of the blade 2 is parallel to the horizontal plane, and the end of the nozzle body 31 close to the blade 2 is provided with a pressing surface 37, and the pressing surface 37 presses the top surface of the blade 2. In this embodiment, the insert 2 is mounted in the pocket 11 in a flat state, and the compression of the insert 2 is performed by the threaded fastener 5, so that the tightening of the compression protrusion 34, the compression guide slope 35, and the mating slope 103 are not required, thereby making the entire structure simpler.
The rest parts which are not described are basically the same as the embodiment 1, and the description is omitted.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A turning tool with coolant delivery channels, characterized in that: the cutting tool comprises a tool body (1), a blade (2), a nozzle assembly (3) and a sealing assembly (4), wherein the blade (2) is installed in a tool groove (11) of the tool body (1), the nozzle assembly (3) comprises a nozzle body (31) and a pressing piece, the nozzle body (31) is pressed on the tool body (1) through the pressing piece, the nozzle body (31) is arranged at the rear end of the blade (2), the nozzle body (31) is provided with a cooling liquid transmission channel (301) and a nozzle opening (302), the nozzle opening (302) is arranged at the outlet of the cooling liquid transmission channel (301), the nozzle opening (302) faces to a cutting edge of the blade (2), the tool body (1) is provided with an inner cooling channel (12) and a sealing installation hole (13) communicated with the inner cooling channel (12), a sealing bulge (32) is arranged on the bottom surface of the nozzle body (31), and the sealing bulge (32) is clamped in the sealing installation hole (13), the sealing assembly (4) is arranged in the sealing installation hole (13) and matched with the sealing protruding part (32), the inlet of the cooling liquid transmission channel (301) extends to the sealing protruding part (32), and the inner cooling channel (12) is communicated with the inlet of the cooling liquid transmission channel (301).
2. The turning tool with coolant delivery passage of claim 1, wherein: seal assembly (4) are including sealed pillar pipe (41) and spring (42), be equipped with between interior cold channel (12) and seal installation hole (13) spacing step (14), spring (42) support and lean on spacing step (14), sealed pillar pipe (41) are located between spring (42) and sealed bulge (32), be equipped with first sealing washer (43) between the terminal surface of sealed pillar pipe (41) and sealed bulge (32), be equipped with second sealing washer (44) between the cylinder of sealed pillar pipe (41) and seal installation hole (13) inner wall, the both ends of the hole of sealed pillar pipe (41) communicate with coolant liquid transmission channel (301) and interior cold channel (12) respectively.
3. The turning tool with coolant delivery passage of claim 1, wherein: the pressing piece is a pressing screw (33).
4. The turning tool with coolant delivery passage of claim 3, wherein: the nozzle body (31) is provided with a pressing convex part (34) on the bottom surface of one end of the blade (2), a pressing guide inclined plane (35) on one end of the sealing convex part (32), the pressing convex part (34) is arranged in a central hole (21) of the blade (2), the cutter groove (11) is provided with a groove bottom surface (101) and a groove side surface (102), and the cutter body (1) is provided with a matching inclined plane (103) which can be matched with the pressing guide inclined plane (35) to enable the pressing convex part (34) to tension the blade (2) to lean against the groove side surface (102).
5. The turning tool with coolant delivery passage of claim 4, wherein: the hole on the nozzle body (31) through which the pressing screw (33) can pass is a kidney-shaped hole (36).
6. The turning tool with the coolant conveying channel according to any one of claims 3 to 5, characterized in that: the axis of the compression screw (33) is arranged on one side of a connecting line between the inlet center of the cooling liquid transmission channel (301) and the center of the blade (2).
7. The turning tool with coolant delivery passage according to claim 4 or 5, wherein: the groove bottom surface (101) is inclined from inside to outside, and the top surface of the blade (2) is parallel to the groove bottom surface (101).
8. The turning tool with coolant delivery passage according to claim 4 or 5, wherein: the nozzle body (31) is provided with a pressing surface (37) at the bottom surface of one end close to the blade (2), the pressing surface (37) is pressed on the top surface of the blade (2), and the top surface of the blade (2) is lower than the bottom surface of the nozzle body (31).
9. A turning tool with coolant delivery channels, characterized in that: the cutting tool comprises a tool body (1), a blade (2) and a nozzle assembly (3), wherein the blade (2) is installed in a tool groove (11) of the tool body (1), the nozzle assembly (3) comprises a nozzle body (31) and a pressing piece, the nozzle body (31) is pressed on the tool body (1) through the pressing piece, the nozzle body (31) is arranged at the rear end of the blade (2), the nozzle body (31) is provided with a cooling liquid transmission channel (301) and a nozzle opening (302), the nozzle opening (302) is arranged at the outlet of the cooling liquid transmission channel (301), the nozzle opening (302) faces a cutting edge of the blade (2), the tool body (1) is provided with an inner cooling channel (12) and a sealing installation hole (13) communicated with the inner cooling channel (12), a sealing bulge (32) is arranged on the bottom surface of the nozzle body (31), and the sealing bulge (32) is arranged in the sealing installation hole (13), be equipped with between the global of sealed bulge (32) and the inner wall of sealed mounting hole (13) sealing washer (6), the entry of coolant liquid transmission channel (301) extends to sealed bulge (32), interior cold channel (12) communicate with the entry of coolant liquid transmission channel (301).
10. The turning tool with coolant delivery passage of claim 9, wherein: the blade (2) is fastened in the cutter groove (11) of the cutter body (1) through a threaded fastener (5); the top surface of blade (2) is parallel with the horizontal plane, nozzle body (31) is close to the one end of blade (2) and is equipped with pressing surface (37), pressing surface (37) are pressed at the top surface of blade (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572849.3U CN212761166U (en) | 2020-07-31 | 2020-07-31 | Turning cutter with coolant liquid transmission channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572849.3U CN212761166U (en) | 2020-07-31 | 2020-07-31 | Turning cutter with coolant liquid transmission channel |
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| Publication Number | Publication Date |
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| CN212761166U true CN212761166U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021572849.3U Active CN212761166U (en) | 2020-07-31 | 2020-07-31 | Turning cutter with coolant liquid transmission channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857510A (en) * | 2021-10-21 | 2021-12-31 | 株洲钻石切削刀具股份有限公司 | Inner-cooling cutting tool |
| JP7420311B1 (en) | 2023-10-06 | 2024-01-23 | 株式会社タンガロイ | Fixed parts and cutting tools |
-
2020
- 2020-07-31 CN CN202021572849.3U patent/CN212761166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857510A (en) * | 2021-10-21 | 2021-12-31 | 株洲钻石切削刀具股份有限公司 | Inner-cooling cutting tool |
| CN113857510B (en) * | 2021-10-21 | 2023-01-31 | 株洲钻石切削刀具股份有限公司 | Inner-cooling cutting tool |
| JP7420311B1 (en) | 2023-10-06 | 2024-01-23 | 株式会社タンガロイ | Fixed parts and cutting tools |
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