CN114472946A - Finish machining cutting tool capable of being accurately positioned - Google Patents
Finish machining cutting tool capable of being accurately positioned Download PDFInfo
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- CN114472946A CN114472946A CN202111569535.7A CN202111569535A CN114472946A CN 114472946 A CN114472946 A CN 114472946A CN 202111569535 A CN202111569535 A CN 202111569535A CN 114472946 A CN114472946 A CN 114472946A
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- blade
- groove
- face
- cutting
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1644—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane and at the same time upon the wall of a hole in the cutting insert
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
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- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a finish machining cutting tool capable of accurately positioning, which comprises a tool handle part, a tool body and a liquid injection hole, wherein when a blade needs to be placed on the inner side of a tool holder groove, a positioning groove on one side of the blade is connected to a positioning lug in an interference fit manner, if the angle of the blade is slightly deviated or the direction is reversed, the positioning lug cannot be in the interference fit manner on the inner side of the positioning groove, when the blade is pressed down and installed, the included angle between a first contact surface and a second contact surface is V-shaped, so that the first contact surface and the second contact surface can be clamped into a clamping groove at the lower end of the included angle on one side of the blade, the blade cannot axially move in the tool holder groove due to the fact that the symmetrical included angles at the two ends of the blade are limited and fixed, cooling liquid flowing into the inner side of a liquid collecting groove can flow into the inner side of a shunt channel again, so that the cooling liquid can rapidly cool four end surfaces at the bottom end of the blade, and the arrangement of the shunt channel and a separating ring prevents the cooling liquid from flowing into the whole bottom surface of the blade, causing the coolant to escape from the corner between the bottom surface of the insert and the end surface of the toolholder pocket.
Description
Technical Field
The invention relates to the technical field of cutting tools, in particular to a finish machining cutting tool capable of being accurately positioned.
Background
Cutting tools are tools used in machining for cutting operations. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool. The cutting tools for cutting wood are called woodworking tools.
When the cutting tool is installed, the blade is basically fixed through the fastener, however, when the blade is placed in the inner side of the tool holder groove, if the blade is not accurately positioned and installed, the blade is easy to deviate after being fastened, the fastener is easy to loosen in the high-speed cutting process of the tool, so that the fastener or the blade can fly out at a high speed under the action of centrifugal force, and great threat is caused to the safety of workers, meanwhile, a plurality of cutting tools are provided with cooling structures, however, when the blade is cooled through cooling liquid, most of the cutting tools are directly cast and cooled at the outer end of the blade, the bottom surface of the blade cannot be rapidly cooled, if a gap exists at the bottom of the blade, the blade can generate great vibration or be directly broken during working, if the bottom surface of the blade is of a full-sealed structure, the cooling liquid cannot flow to the bottom surface of the blade for cooling, thereby making the blade slower when cooling.
We have therefore developed a finishing cutting tool that can be accurately positioned.
Disclosure of Invention
The invention aims to provide a finish machining cutting tool capable of accurately positioning, when a blade needs to be placed on the inner side of a tool holder groove, a butting end face and a butting side face butt against an included angle on one side of the blade, a positioning groove on one side of the blade is connected onto a positioning lug in an interference fit manner, if the angle of the blade is slightly deviated or the direction is reversed, the positioning lug cannot be in interference fit with the inner side of the positioning groove, when the blade is pressed down and installed, an included angle between a first contact face and a second contact face is V-shaped, so that the first contact face and the second contact face can be clamped into a clamping groove at the lower end of the included angle on one side of the blade, when the blade is placed on the tool holder groove and fixed by a fastener, the symmetrical included angles at two ends of the blade are limited and fixed, so that the blade cannot axially move in the tool holder groove, the blade is prevented from shaking or shaking to generate angular deviation, and cooling liquid flowing into the inner side of a liquid collecting groove flows into the inner side of a branch channel again, the sub-runners are arranged in a cross-shaped structure, so that the cooling liquid can rapidly cool four end faces at the bottom end of the blade, and meanwhile, due to the arrangement of the sub-runners and the separating ring, the cooling liquid is prevented from flowing into the whole bottom face of the blade, so that the cooling liquid overflows from the included angle between the bottom face of the blade and the end face of the tool holder groove, and the problems in the background are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a finish machining cutting tool capable of being accurately positioned comprises a tool handle part, a tool body and a liquid injection hole, wherein the tool handle part comprises a threaded connecting piece, the tool handle part and the threaded connecting piece are of an integral structure, the tool handle part is in threaded connection with the tool body through the threaded connecting piece, and the liquid injection hole is formed in one side of the upper end of the tool body;
the cutter body comprises a cutting part, a welding disc, a threaded connecting column, a blade and a fastener, wherein the cutting part is arranged at one end of the cutter body, which is far away from the handle part of the cutter, the welding disc is arranged at one side of the cutting part, the welding is carried out between the cutting part and the welding disc, the threaded connecting column is welded at one side of the welding disc, which is far away from the cutting part, the blade is arranged at the upper end of the cutting part, and the fastener penetrates through the middle of the blade;
annotate the liquid hole and include the drainage piece, the cavity that flows, the connecting axle, limit baffle and elastic component, the drainage piece is installed to the inner chamber one side of annotating the liquid hole, the cavity that flows has been seted up to the inner chamber lower extreme of annotating the liquid hole, the one side upper end of annotating the liquid hole and keeping away from the drainage piece is provided with the connecting axle, limit baffle is installed to the lower extreme of connecting axle, and the cavity that flows is located drainage piece and limit baffle's centre, limit baffle's a side-mounting elastic component, and the baffle passes through the elastic component and annotates the inner chamber upper end fixed connection in liquid hole.
Further, the cutting part comprises a knife clamp groove, a boss, a fastening hole and a liquid collecting groove, the knife clamp groove is installed at one end, far away from the welding disc, of the cutting part, the blade is placed at the upper end of the knife clamp groove, the boss is arranged between the knife clamp groove and the welding disc, the boss is located at the upper end of the cutting part, the fastening hole is formed in the middle of the knife clamp groove, the fastening hole is penetrated through the middle of the blade through the fastener, the liquid collecting groove is formed in the outer side of the fastening hole, and the liquid collecting groove is located on the surface of the knife clamp groove.
Further, the cutter holder groove comprises a tight abutting end face, a tight abutting side face and a positioning convex block, the tight abutting end face is arranged at one end of the cutter holder groove, the tight abutting side face is arranged at one side of the cutter holder groove, the included angle between the tight abutting end face and the tight abutting side face is matched with the included angle between the blades, the positioning convex block is arranged on the side face of one end, far away from the tight abutting end face, of the cutter holder groove, and the positioning convex block is fixedly connected with the upper end of the cutter holder groove.
Furthermore, the abutting side face comprises a first contact face and a second contact face, the first contact face and the second contact face are of an integral structure, and an included angle between the first contact face and the second contact face is welded at an included angle between the abutting end face and the abutting side face in a V shape.
Furthermore, the included angle between the first contact surface and the second contact surface is alpha which is more than or equal to 1.5 degrees and less than or equal to 6.5 degrees.
Further, the collecting tank comprises a guide channel, a separating ring, a through groove and a sub-channel, the guide channel is formed in one side of the collecting tank, the collecting tank is fixedly connected with one end of the flowing cavity through the guide channel, the separating ring is installed in an inner cavity of the collecting tank, the through groove is formed in one side of the separating ring, the sub-channel is formed in the middle of the collecting tank and the fastening hole, and the sub-channel is formed in a cross-shaped structure.
Further, the blade comprises a center hole, a positioning groove and a clamping groove, the center hole is formed in the middle of the blade and is aligned with the fastening hole, the positioning groove is installed on one side of the blade and is in interference connection with the positioning lug, the clamping groove is formed in the corner of the side, far away from the positioning groove, of the blade, and the clamping groove is movably connected with the first contact surface and the second contact surface.
Further, limit baffle includes V type groove and square dog, and limit baffle has kept away from one side of elastic component and has seted up V type groove, and square dog is installed to the inner chamber bottom of annotating the liquid hole, and limit baffle passes through the upper end contained angle swing joint of V type groove and square dog.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a finish machining cutting tool capable of accurately positioning, when a blade needs to be placed on the inner side of a tool holder groove, a butting end face and a butting side face butt against an included angle on one side of the blade, a positioning groove on one side of the blade is connected onto a positioning lug in an interference fit manner, if the angle of the blade is slightly deviated or the direction is reversed, the positioning lug cannot be in interference fit with the inner side of the positioning groove, when the blade is pressed and installed downwards, an included angle between a first contact face and a second contact face is V-shaped, the first contact face and the second contact face can be clamped into a clamping groove at the lower end of the included angle on one side of the blade, when the blade is placed on the tool holder groove and fixed by a fastener, the symmetrical included angles at two ends of the blade are limited and fixed, so that the blade cannot axially move in the tool holder groove, the blade is prevented from being subjected to angular deviation caused by shaking or vibration, the use of the tool is influenced, and meanwhile, two faces of the blade are butted against the butting side faces, the impact force applied to the blade can be shared during the operation of the blade, and the blade is prevented from deforming or collapsing at the position.
2. When the finish machining cutting tool capable of being accurately positioned needs to cool the bottom end of the cutting blade, the cooling liquid can be injected into the inner side of the liquid injection hole, the injected cooling liquid flows to the inner side of the liquid collecting tank through the guide channel, the middle of the liquid collecting tank is provided with the separating ring, so that the liquid collecting tank is divided into two chambers, meanwhile, the two separated chambers can ensure that the cooling liquid can normally flow through the through groove arranged on one side of the separating ring, the cooling liquid flowing into the inner side of the liquid collecting groove can flow into the inner sides of the sub-runners again, the sub-runners are arranged in a cross-shaped structure, so that the cooling liquid can rapidly cool the four end faces at the bottom end of the blade, meanwhile, due to the arrangement of the branch flow channel and the separating ring, the cooling liquid is prevented from flowing into the whole bottom surface of the blade, so that the cooling liquid overflows from the included angle between the bottom surface of the blade and the end surface of the tool holder groove, and the bottom surface of the blade can be cooled rapidly.
3. When the cooling liquid enters the inner side of the liquid injection hole, the limit baffle is pressed tightly by the pressure and lifted upwards, when the limit baffle is lifted upwards, the elastic piece is extruded to generate deformation, meanwhile, the cooling liquid flows into the inner side of the flowing cavity through the lower end of the limiting baffle plate, so that the flowing cavity flows into the inner side of the liquid collecting tank through the guide channel, when the cooling liquid exits from the inner side of the liquid injection hole after being injected, because the lower end of the limit baffle is not pressed tightly, the limit baffle is rebounded by the elastic piece, when the limit baffle rebounds, the V-shaped groove far away from one side of the elastic piece clamps the included angle at one side of the upper end of the square stop block for limiting, thereby make limit baffle not only can seal annotating the liquid hole, prevent that the dust from getting into its inboard, prevent simultaneously that the coolant liquid that injects from producing the backward flow and overflowing the inboard of annotating the liquid hole.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention showing the structure of the tool shank and the tool body separated from each other;
FIG. 3 is a sectional view of the interior of the injection hole of the present invention;
FIG. 4 is a schematic view of the cutting portion of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a top view of the fastening hole and sump of the present invention;
FIG. 7 is a schematic bottom view of the blade of the present invention;
fig. 8 is a schematic view of the enlarged structure at B in fig. 3 according to the present invention.
In the figure: 1. a tool shank; 11. a threaded connection; 2. a cutter body; 21. a cutting portion; 211. a knife holder slot; 2111. abutting against the end face; 2112. tightly abutting against the side surface; 21121. a first contact surface; 21122. a second contact surface; 2113. positioning the bump; 212. a boss; 213. a fastening hole; 214. a liquid collecting tank; 2141. a guide channel; 2142. a spacer ring; 2143. a through groove; 2144. a shunt channel; 22. welding a disc; 23. a threaded connection post; 24. a blade; 241. a central bore; 242. a positioning groove; 243. a card slot; 25. a fastener; 3. a liquid injection hole; 31. a drainage block; 32. a flow cavity; 33. a connecting shaft; 34. a limit baffle; 341. a V-shaped groove; 342. a square stop block; 35. an elastic member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a finish machining cutting tool capable of being accurately positioned includes a tool shank 1, a tool body 2 and a liquid injection hole 3, the tool shank 1 includes a threaded connector 11, the tool shank 1 and the threaded connector 11 are of an integral structure, the tool shank 1 is in threaded connection with the tool body 2 through the threaded connector 11, the liquid injection hole 3 is formed in one side of the upper end of the tool body 2, the tool body 2 includes a cutting portion 21, a welding disc 22, a threaded connection post 23, a blade 24 and a fastener 25, the cutting portion 21 is arranged at one end of the tool body 2 away from the tool shank 1, the welding disc 22 is arranged at one side of the cutting portion 21, the welding portion 21 and the welding disc 22 are welded, the threaded connection post 23 is welded at one side of the welding disc 22 away from the cutting portion 21, the blade 24 is mounted at the upper end of the cutting portion 21, the fastener 25 penetrates through the middle of the blade 24, the liquid injection hole 3 includes a diversion block 31, a liquid injection hole 3, Flow cavity 32, connecting axle 33, limit baffle 34 and elastic component 35, annotate the inner chamber one side of liquid hole 3 and install drainage piece 31, the flow cavity 32 has been seted up to the inner chamber lower extreme of annotating liquid hole 3, it is provided with connecting axle 33 to annotate the one side upper end that drainage piece 31 was kept away from in liquid hole 3, limit baffle 34 is installed to the lower extreme of connecting axle 33, and flow cavity 32 is located drainage piece 31 and limit baffle 34's centre, elastic component 35 is installed to one side of limit baffle 34, and limit baffle 34 passes through elastic component 35 and annotates the inner chamber upper end fixed connection of liquid hole 3.
Referring to fig. 4-5, a finish machining cutting tool capable of being precisely positioned, a cutting portion 21 includes a tool holder slot 211, a boss 212, a fastening hole 213 and a liquid collecting groove 214, the cutting portion 21 has the tool holder slot 211 at an end away from a welding tray 22, a blade 24 is disposed at an upper end of the tool holder slot 211, the boss 212 is disposed between the tool holder slot 211 and the welding tray 22, the boss 212 is disposed at an upper end of the cutting portion 21, the fastening hole 213 is disposed at a middle of the tool holder slot 211, a fastening member 25 penetrates through the fastening hole 213 through the middle of the blade 24, the liquid collecting groove 214 is disposed at an outer side of the fastening hole 213, the liquid collecting groove 214 is disposed on a surface of the tool holder slot 211, the tool holder slot 211 includes a resisting end surface 2111, a resisting side surface 2112 and a positioning bump 2113, one end of the tool holder slot 211 is provided with a resisting end surface 2111, one side of the tool holder slot 211 is provided with a resisting side surface 2112, and an included angle between the resisting end surface 2111 and the resisting side surface 2112 is matched with that of the blade 24, a positioning bump 2113 is mounted on a side surface of one end of the toolholder slot 211, which is far away from the abutting end surface 2111, and the positioning bump 2113 is fixedly connected with an upper end of the toolholder slot 211, the abutting side surface 2112 includes a first contact surface 21121 and a second contact surface 21122, the first contact surface 21121 and the second contact surface 21122 are of an integral structure, and an included angle between the two is V-shaped and is welded at an included angle between the abutting end surface 2111 and the abutting side surface 2112, when the insert 24 needs to be placed inside the toolholder slot 211, the abutting end surface 2111 and the abutting side surface 2112 abut against an included angle of one side of the insert 24, and the positioning groove 242 on one side of the insert 24 is connected to the positioning bump 2113 in an interference fit manner, if the angle of the insert 24 is slightly deviated or the direction is reversed, the positioning bump 2113 cannot be in an interference fit inside the positioning groove 242, when the insert 24 is pressed and mounted, the first contact surface 21121 and the second contact surface 21122 are V-shaped, the two can be clamped into the clamping groove 243 at the lower end of the included angle at one side of the insert 24, when the insert 24 is placed on the tool holder groove 211 and fixed by using the fastener 25, the included angle of the two ends of the insert 24 is limited and fixed, so that the insert 24 cannot axially move in the tool holder groove 211, the insert 24 is restrained from shaking or vibrating to generate angular deviation, the included angle between the first contact surface 21121 and the second contact surface 21122 is alpha, alpha is more than or equal to 1.5 degrees and less than or equal to 6.5 degrees, and if the included angle alpha of the symmetrical axis formed by the clamping groove 243 is 5 degrees, the gap 5 directly reserved between the first contact surface 21121, the second contact surface 21122 and the clamping groove 243 is ensured that the insert 24 can be quickly separated from the first contact surface 21121 and the second contact surface 21122 through the clamping groove 243.
Referring to fig. 6, a finishing cutting tool capable of precisely positioning, a liquid collecting tank 214 includes a guide channel 2141, a partition ring 2142, a through groove 2143, and a sub-channel 2144, the guide channel 2141 is formed at one side of the liquid collecting tank 214, the liquid collecting tank 214 is fixedly connected to one end of a flow cavity 32 through the guide channel 2141, the partition ring 2142 is installed in an inner cavity of the liquid collecting tank 214, the through groove 2143 is formed at one side of the partition ring 2142, the sub-channel 2144 is formed between the liquid collecting tank 214 and a fastening hole 213, and the sub-channel 2144 is formed in a cross-shaped structure, when it is required to cool a bottom end of a blade 24, a coolant may be injected into an inner side of the liquid injection hole 3, the injected coolant may flow into an inner side of the liquid collecting tank 214 through the guide channel 2141, the partition ring 2142 is formed in the middle of the liquid collecting tank 214, so that the liquid collecting tank 214 is divided into two chambers, and the two chambers may be normally flowed through the through groove 2143 formed at one side of the partition ring 2142, the coolant that flows into the inboard collecting tank 214 will flow into the inboard of subchannel 2144 once more, and subchannel 2144 is that cross column structure is seted up for the coolant can carry out quick cooling to four terminal surfaces of blade 24 bottom, simultaneously because of subchannel 2144 and separating ring 2142's setting, avoid the coolant to flow into the whole bottom surface of blade 24, cause the coolant to spill over from the bottom surface of blade 24 and the terminal surface contained angle department of cutter holder groove 211, thereby make the bottom surface of blade 24 can the rapid cooling.
Referring to fig. 7-8, a cutting tool for finish machining capable of being precisely positioned, a blade 24 includes a center hole 241, a positioning groove 242 and a locking groove 243, the center of the blade 24 is provided with the center hole 241, the center hole 241 is aligned with the fastening hole 213, one side of the blade 24 is provided with the positioning groove 242, the positioning groove 242 is in interference connection with the positioning protrusion 2113, a locking groove 243 is provided at an included angle of one side of the blade 24 away from the positioning groove 242, the locking groove 243 is movably connected with the first contact surface 21121 and the second contact surface 21122, the limiting baffle 34 includes a V-shaped groove 341 and a square stopper 342, one side of the limiting baffle 34 away from the elastic member 35 is provided with the V-shaped groove 341, the bottom end of the inner cavity of the liquid injection hole 3 is provided with the square stopper 342, the limiting baffle 34 is movably connected with an included angle of the upper end of the square stopper 342 through the V-shaped groove 341, when cooling liquid enters the inner side of the liquid injection hole 3, the limit baffle 34 is tightly supported by pressure and is upwards lifted, the elastic part 35 is extruded to deform when the limit baffle 34 is upwards lifted, meanwhile, the cooling liquid flows into the inner side of the flowing cavity 32 through the lower end of the limit baffle 34, the flowing cavity 32 flows to the inner side of the liquid collecting tank 214 through the guide channel 2141, when the cooling liquid exits from the inner side of the liquid injection hole 3 after being injected, because the lower end of the limit baffle 34 is not tightly supported by pressure, the limit baffle 34 is rebounded by the elastic part 35, when the limit baffle 34 rebounds, the V-shaped groove 341 on one side far away from the elastic part 35 is limited by clamping the included angle on one side of the upper end of the square stopper 342, and therefore the limit baffle 34 can not only seal the liquid injection hole 3 and prevent dust from entering the inner side of the liquid injection hole, but also prevent the injected cooling liquid from reflowing to overflow the inner side of the liquid injection hole 3.
In summary, the following steps: when the blade 24 needs to be placed on the inner side of the tool holder groove 211, the abutting end face 2111 and the abutting side face 2112 abut against an included angle on one side of the blade 24, the positioning groove 242 on one side of the blade 24 is connected to the positioning bump 2113 in an interference fit manner, if the angle of the blade 24 is slightly deviated or the direction is reversed, the positioning bump 2113 cannot be in the interference fit manner to the inner side of the positioning groove 242, when the blade 24 is pressed down and installed, the included angle between the first contact face 21121 and the second contact face 21122 is in a V shape, the two can be clamped into the clamping groove 243 at the lower end of the included angle on one side of the blade 24, when the blade 24 is placed on the tool holder groove 211 and fixed by using the fastener 25, the symmetrical included angles at the two ends of the blade 24 are limited and fixed, so that the blade 24 cannot move axially in the tool holder groove 211, and the angular deviation of the blade 24 caused by shaking or vibration is inhibited, influence the later use of the cutter, and simultaneously, because two surfaces of the blade 24 are tightly pressed by the pressing end surface 2111 and the pressing side surface 2112, the impact force applied to the blade 24 can be shared during the operation of the blade 24, thereby avoiding the blade 24 from deforming or collapsing at the position, when the bottom end of the blade 24 needs to be cooled, the cooling liquid can be injected into the inner side of the liquid injection hole 3, the injected cooling liquid flows to the inner side of the liquid collecting tank 214 through the guide channel 2141, the separation ring 2142 is arranged in the middle of the liquid collecting tank 214, so that the liquid collecting tank 214 is divided into two chambers, meanwhile, the two chambers can be separated through the through groove 2143 formed in one side of the separation ring 2142, so that the cooling liquid can normally flow, the cooling liquid flowing into the inner side of the liquid collecting tank 214 can flow into the inner side of the sub-flow channel 2144 again, the sub-flow channel 2144 is formed in a cross-shaped structure, so that the cooling liquid can rapidly cool the four end surfaces at the bottom end of the blade 24, meanwhile, due to the arrangement of the branch channel 2144 and the separating ring 2142, the coolant is prevented from flowing into the whole bottom surface of the blade 24, so that the coolant overflows from the included angle between the bottom surface of the blade 24 and the end surface of the tool holder groove 211, the bottom surface of the blade 24 can be cooled quickly, when the coolant enters the inner side of the liquid injection hole 3, the limit baffle 34 is pressed tightly by pressure and lifted upwards, the elastic part 35 is extruded to deform when the limit baffle 34 is lifted upwards, meanwhile, the coolant flows into the inner side of the flowing cavity 32 through the lower end of the limit baffle 34, the flowing cavity 32 flows into the inner side of the liquid collecting groove 214 through the guide channel 2141, when the coolant exits from the inner side of the liquid injection hole 3 after injection, because the lower end of the limit baffle 34 is not pressed tightly by pressure, the limit baffle 34 is rebounded by the elastic part 35, when the limit baffle 34 rebounds, the V-shaped groove 341 on the side far away from the elastic part 35 clamps the included angle on the upper end side of the square stopper 342 to limit, therefore, the limit baffle 34 can not only seal the liquid injection hole 3 and prevent dust from entering the inner side of the liquid injection hole, but also prevent the injected cooling liquid from flowing back to overflow the inner side of the liquid injection hole 3.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a but finish machining cutting tool of accurate positioning, includes cutter stalk portion (1), cutter body (2) and annotates liquid hole (3), its characterized in that: the tool handle (1) comprises a threaded connecting piece (11), the tool handle (1) and the threaded connecting piece (11) are of an integrated structure, the tool handle (1) is in threaded connection with the tool body (2) through the threaded connecting piece (11), and one side of the upper end of the tool body (2) is provided with a liquid injection hole (3);
the cutter body (2) comprises a cutting part (21), a welding disc (22), a threaded connecting column (23), a blade (24) and a fastener (25), the cutting part (21) is arranged at one end, away from the cutter handle part (1), of the cutter body (2), the welding disc (22) is arranged on one side of the cutting part (21), the cutting part (21) and the welding disc (22) are welded, the threaded connecting column (23) is welded on one side, away from the cutting part (21), of the welding disc (22), the blade (24) is installed at the upper end of the cutting part (21), and the fastener (25) penetrates through the fastener (25) through the middle of the blade (24);
annotate liquid hole (3) including drainage piece (31), mobile cavity (32), connecting axle (33), limit baffle (34) and elastic component (35), drainage piece (31) are installed to inner chamber one side of annotating liquid hole (3), mobile cavity (32) have been seted up to the inner chamber lower extreme of annotating liquid hole (3), it is provided with connecting axle (33) to annotate liquid hole (3) one side upper end of keeping away from drainage piece (31), limit baffle (34) are installed to the lower extreme of connecting axle (33), and mobile cavity (32) are located the centre of drainage piece (31) and limit baffle (34), elastic component (35) are installed to one side of limit baffle (34), and limit baffle (34) are through elastic component (35) and annotate the inner chamber upper end fixed connection of liquid hole (3).
2. A precisely positionable finishing cutting tool according to claim 1, wherein: cutting portion (21) includes cutting insert groove (211), boss (212), fastening hole (213) and collecting tank (214), cutting portion (21) are kept away from the one end of welding dish (22) and are installed cutting insert groove (211), and place upper end at cutting insert groove (211) blade (24), the centre of cutting insert groove (211) and welding dish (22) is provided with boss (212), and boss (212) are located the upper end of cutting portion (21), fastening hole (213) have been seted up in the centre of cutting insert groove (211), and fastener (25) run through fastening hole (213) through the centre of blade (24), collecting tank (214) have been seted up in the outside of fastening hole (213), and collecting tank (214) are located the surface of cutting insert groove (211).
3. A precisely positionable finishing cutting tool according to claim 2, wherein: the cutter holder groove (211) comprises a abutting end face (2111), an abutting side face (2112) and a positioning lug (2113), the abutting end face (2111) is arranged at one end of the cutter holder groove (211), the abutting side face (2112) is arranged at one side of the cutter holder groove (211), the included angle between the abutting end face (2111) and the abutting side face (2112) is matched with the included angle of the blade (24), the positioning lug (2113) is arranged on the side face of one end, far away from the abutting end face (2111), of the cutter holder groove (211), and the positioning lug (2113) is fixedly connected with the upper end of the cutter holder groove (211).
4. A precisely positionable finishing cutting tool according to claim 3, wherein: the abutting side face (2112) comprises a first contact face (21121) and a second contact face (21122), the first contact face (21121) and the second contact face (21122) are of an integral structure, and an included angle between the first contact face and the second contact face is welded at an included angle between the abutting end face (2111) and the abutting side face (2112) in a V shape.
5. A precisely positionable finishing cutting tool according to claim 4, wherein: the included angle between the first contact surface (21121) and the second contact surface (21122) is alpha, and alpha is more than or equal to 1.5 degrees and less than or equal to 6.5 degrees.
6. A precisely positionable finishing cutting tool according to claim 2, wherein: the collecting tank (214) comprises a guide channel (2141), a separation ring (2142), a through groove (2143) and a sub-channel (2144), the guide channel (2141) is arranged on one side of the collecting tank (214), the collecting tank (214) is fixedly connected with one end of the flowing cavity (32) through the guide channel (2141), the separation ring (2142) is arranged in the inner cavity of the collecting tank (214), the through groove (2143) is arranged on one side of the separation ring (2142), the sub-channel (2144) is arranged between the collecting tank (214) and the fastening hole (213), and the sub-channel (2144) is arranged in a cross-shaped structure.
7. A precisely positionable finishing cutting tool according to claim 1, wherein: blade (24) are including centre bore (241), positioning groove (242) and draw-in groove (243), centre bore (241) have been seted up to the centre of blade (24), and centre bore (241) align with fastening hole (213), positioning groove (242) are installed to one side of blade (24), and be interference connection between positioning groove (242) and location lug (2113), draw-in groove (243) have been seted up to one side contained angle department that positioning groove (242) were kept away from in blade (24), and swing joint between draw-in groove (243) and first contact surface (21121), second contact surface (21122).
8. A precisely positionable finishing cutting tool according to claim 1, wherein: the limiting baffle (34) comprises a V-shaped groove (341) and a square stop block (342), the V-shaped groove (341) is formed in one side, away from the elastic piece (35), of the limiting baffle (34), the square stop block (342) is installed at the bottom end of the inner cavity of the liquid injection hole (3), and the limiting baffle (34) is movably connected with an upper end included angle of the square stop block (342) through the V-shaped groove (341).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569535.7A CN114472946A (en) | 2021-12-21 | 2021-12-21 | Finish machining cutting tool capable of being accurately positioned |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569535.7A CN114472946A (en) | 2021-12-21 | 2021-12-21 | Finish machining cutting tool capable of being accurately positioned |
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| Publication Number | Publication Date |
|---|---|
| CN114472946A true CN114472946A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111569535.7A Withdrawn CN114472946A (en) | 2021-12-21 | 2021-12-21 | Finish machining cutting tool capable of being accurately positioned |
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| Country | Link |
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| CN (1) | CN114472946A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586649A (en) * | 2023-05-06 | 2023-08-15 | 深圳市海洲数控机械刀具有限公司 | Dynamic vibration-damping boring cutter for deep hole machining |
-
2021
- 2021-12-21 CN CN202111569535.7A patent/CN114472946A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586649A (en) * | 2023-05-06 | 2023-08-15 | 深圳市海洲数控机械刀具有限公司 | Dynamic vibration-damping boring cutter for deep hole machining |
| CN116586649B (en) * | 2023-05-06 | 2023-11-14 | 深圳市海洲数控机械刀具有限公司 | Dynamic vibration-damping boring cutter for deep hole machining |
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