CN221159399U - High-speed numerical control knife handle - Google Patents
High-speed numerical control knife handle Download PDFInfo
- Publication number
- CN221159399U CN221159399U CN202421092510.1U CN202421092510U CN221159399U CN 221159399 U CN221159399 U CN 221159399U CN 202421092510 U CN202421092510 U CN 202421092510U CN 221159399 U CN221159399 U CN 221159399U
- Authority
- CN
- China
- Prior art keywords
- diameter
- gland
- numerical control
- collet chuck
- speed numerical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 42
- 238000003754 machining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model discloses a high-speed numerical control knife handle, and belongs to the technical field of knife handles; the tool comprises a conical tool handle body, a collet chuck, a gland, a reducing sheath and a tensioning support sleeve, wherein the front end of the conical tool handle body is provided with a thread fastening section; the front end of the collet chuck is integrally provided with an extension part, and the collet chuck is embedded with the inner side of the conical cutter handle; the collet chuck is clamped with a tool bit; the outer diameter of the gland is consistent with the outer diameter of the front end of the collet chuck; the front end of the gland is provided with an extension part perforation; a thread groove is formed in the outer part of the gland; the diameter-reducing sheath comprises a straight pipe section screwed with the thread groove; the outer diameter of the straight pipe section is consistent with the outer diameter of the rear end of the gland; the front end of the straight pipe section is integrally provided with a diameter reducing part; the tool bit movably penetrates through the diameter reducing part; the tensioning support sleeve comprises two opposite convex discs, and the high-speed numerical control cutter handle can realize centering and strong clamping force and low wind resistance of the cutter head and meet the processing requirements of a high-speed numerical control machine tool.
Description
Technical Field
The utility model particularly relates to a high-speed numerical control knife handle, and belongs to the technical field of knife handles.
Background
The structure form of the cutter handle of the numerical control machine tool is divided into an integral type and a modular type; the working part of the integral knife handle for clamping the knife is integrated with the handle part for mounting and positioning on the machine tool; the adaptability of the cutter handle to the change of the machine tool and the parts is poor; in order to adapt to the change of parts and machine tools, users must store tool shanks with various specifications, so that the utilization rate of the tool shanks is low; the modular cutter system is an advanced cutter system, and each cutter handle can be assembled by various serial modules; the utilization rate of the cutter handle can be improved; the bottom of the existing numerical control cutter handle is provided with a latch for assembly and disassembly, when the cutter rotates, wind resistance is large, in addition, in order to enable the cutter handle to meet the clamping force on the cutter head, the front end of the cutter handle is thicker, and the cutter handle cannot adapt to a high-speed numerical control machine tool; therefore, the existing high-speed numerical control cutter handle is generally only suitable for clamping and processing small cutter heads, the deflection of the cutter is more than one wire, and the processing precision is general; high-speed finish machining cannot be satisfied.
Disclosure of utility model
In order to solve the problems, the utility model provides the high-speed numerical control cutter handle which can realize the centering and strong clamping force and low wind resistance of the cutter head and meet the processing requirements of a high-speed numerical control machine tool.
The high-speed numerical control knife handle of the utility model comprises:
the front end of the conical cutter handle body is provided with a threaded fastening section;
The front end of the collet chuck is integrally provided with an extension part, and the collet chuck is embedded with the inner side of the conical cutter handle; the collet chuck is clamped with a tool bit;
The outer diameter of the gland is consistent with the outer diameter of the front end of the collet chuck; the front end of the gland is provided with an extension part perforation; a thread groove is formed in the outer part of the gland;
The diameter-reducing sheath comprises a straight pipe section screwed with the thread groove; the outer diameter of the straight pipe section is consistent with the outer diameter of the rear end of the gland; the front end of the straight pipe section is integrally provided with a diameter reducing part; the tool bit movably penetrates through the diameter reducing part;
The tensioning support sleeve comprises two opposite convex plates, and one surface, away from each other, of each convex plate is pressed on the inner surfaces of the extension part and the diameter reduction part respectively; the tool bit movably penetrates through the two convex discs, and a tensioning piece is sleeved between the two convex discs;
The front end of the conical cutter handle body, the gland and the outer surface of the reducing sheath form a reducing smooth streamline structure, and when the cutter head rotates at high speed, the wind resistance is small; when the tool bit is assembled, the tool bit penetrates through the collet chuck, the collet chuck is embedded into the conical tool shank body, then the gland is aligned with the threaded fastening section, the gland and the threaded fastening section rotate, and the gland pushes the collet chuck tightly, so that the tool bit is clamped through the collet chuck; then, embedding the tensioning support sleeve, the reducing sheath and the cutter head, and aligning and screwing the straight pipe section of the reducing sheath with the thread groove of the gland; the diameter reducing part of the diameter reducing sheath and the straight pipe section of the collet tightly prop up the tensioning support sleeve; when the diameter-reduced sheath is continuously screwed in, the tensioning piece is continuously tensioned; the tensioning piece continuously pushes up the extension part tightly through the two convex plates, so that the clamping force on the tool bit is improved, and the high-speed finish machining requirement of a high-speed numerical control machine tool is met.
Furthermore, the locating clamping holes are formed in the front ends of the gland and the reducing part, and when the gland and the reducing part are assembled and disassembled, the two wrench disassembling pins are aligned with the locating clamping holes, and the wrench disassembling is rotated along the circumferential direction of the gland and the reducing part, so that the gland and the reducing part are assembled and disassembled.
Further, a positioning ring seat is integrally formed on the inner side of the diameter-reduced sheath; the outer edge of the convex disc is attached to the inner edge of the positioning ring seat, the convex disc is movably embedded into the inner side of the positioning ring seat, and the convex disc is positioned through the positioning ring seat; and the other convex disc is tightly propped up by the tensioning piece, so that the convex disc is positioned.
Further, the tensioning piece is a spring body sleeved outside the small diameter ends of the two convex discs, the cutter head is guided by the two convex discs, and the two convex discs are tensioned between the collet chuck and the reducing part by the spring body; the end part of the straight pipe section is tightly propped, so that the collet chuck is secondarily clamped.
Further, the tensioning piece is a rubber ring arranged between the small-diameter end parts of the two convex discs, and the two convex discs are tensioned between the collet chuck and the reducing part through the rubber ring; the end part of the straight pipe section is tightly propped, so that the collet chuck is secondarily clamped.
Compared with the prior art, the front end of the high-speed numerical control knife handle is of a diameter-reduced streamline structure, and wind resistance is small; the conical cutter handle body, the collet chuck and the gland are matched to realize primary clamping of the cutter head, and the tensioning support sleeve is used for realizing secondary clamping of the cutter head; the clamping force on the cutter head is improved, and the cutter head can be continuously centered and protected when the cutter head is clamped by the tensioning support sleeve; the centering, the strong clamping force and the low wind resistance of the cutter head are realized.
Drawings
Fig. 1 is a schematic diagram of a structure of a high-speed numerical control knife handle before a gland is installed.
FIG. 2 is a schematic view of the whole structure of the collet of the present utility model.
FIG. 3 is a schematic view of the mounting structure of the tapered shank body, collet and gland of the present utility model.
FIG. 4 is a schematic view of the mounting structure of the tapered shank body, collet, gland and reducing sheath of the present utility model.
FIG. 5 is a schematic view of a high-speed numerical control tool handle according to an embodiment of the utility model.
FIG. 6 is a schematic view of the mounting structure of the tensioning boot and retaining ring seat of the present utility model.
FIG. 7 is a schematic view of another embodiment of a high-speed numerical control tool shank according to the present utility model.
Reference numerals: 1. the tool comprises a conical tool handle body 2, a screw fastening section 3, a collet chuck 4, an extension part 5, a tool bit 6, a gland, 7, a screw groove 8, a straight pipe section 9, a diameter reducing part 10, a convex disc 11, a positioning clamping hole 12, a positioning ring seat 13, a spring body 14 and a rubber ring.
Detailed Description
Example 1:
The high-speed numerical control tool shank as shown in fig. 1 to 7 includes:
The conical cutter handle body 1, wherein the front end of the conical cutter handle body 1 is provided with a threaded fastening section 2;
A collet 3, wherein an extension part 4 is integrally formed at the front end of the collet 3, and the collet 3 is embedded with the inner side of the conical cutter handle body 1; the collet chuck 3 is clamped with a tool bit 5;
a gland 6, wherein the outer diameter of the gland 6 is consistent with the outer diameter of the front end of the collet 3; the front end of the gland 6 is provided with an extension part 4 perforation; a thread groove 7 is formed in the outer part of the gland 6;
the diameter-reducing sheath comprises a straight pipe section 8 screwed with the thread groove 7; the outer diameter of the straight pipe section 8 is consistent with the outer diameter of the rear end of the gland 6; the front end of the straight pipe section 8 is integrally provided with a diameter-reducing part 9; the cutter head 5 movably passes through the diameter-reducing part 9;
The tensioning support sleeve comprises two opposite convex plates 10, and one surface of each convex plate 10, which is far away from each other, is respectively pressed on the inner surfaces of the extension part 4 and the diameter reduction part 9; the cutter head 5 movably passes through two convex discs 10, and a tensioning piece is sleeved between the two convex discs 10;
The front end of the conical cutter handle body 1, the gland 6 and the outer surface of the reducing sheath form a reducing smooth streamline structure, and when the cutter head 5 rotates at a high speed, the wind resistance is small; when the tool bit 5 is assembled, the tool bit 3 passes through the collet chuck 3, the collet chuck 3 is embedded into the conical tool shank body 1, then the gland 6 is aligned with the threaded fastening section 2, the gland 6 and the threaded fastening section 2 are rotated, the gland 6 tightly pushes the collet chuck 3, and the tool bit 5 is clamped by the collet chuck 3; then, the tensioning support sleeve and the reducing sheath are embedded with the tool bit 5, and then the straight pipe section 8 of the reducing sheath is screwed with the thread groove 7 of the gland 6 in an aligned manner; the tensioning support sleeve is tightly propped by the diameter reducing part 9 of the diameter reducing sheath and the extension part 4 of the collet chuck 3; when the diameter-reduced sheath is continuously screwed in, the tensioning piece is continuously tensioned; the tensioning piece continuously pushes up the straight pipe section 8 through the two convex plates 10, so that the clamping force of the tool bit 5 is improved, and the high-speed finish machining requirement of a high-speed numerical control machine tool is met.
The locating clamping holes 11 are formed in the front ends of the gland 6 and the diameter reducing part 9, and when the gland 6 and the diameter reducing part 9 are assembled and disassembled, the two wrench disassembly heads are aligned with the locating clamping holes 11, and the wrench disassembly heads rotate along the circumferential directions of the gland 6 and the diameter reducing part 9, so that the gland 6 and the diameter reducing part 9 are assembled and disassembled.
The inner side of the diameter-reducing sheath is integrally provided with a positioning ring seat 12; the convex disc 10 is movably embedded into the inner side of the positioning ring seat 12, the outer edge of the convex disc 10 is attached to the inner edge of the positioning ring seat 12, the convex disc 10 is movably embedded into the inner side of the positioning ring seat 12, and the convex disc 10 is positioned through the positioning ring seat 12; and the other convex disc 10 is tightly propped by the tensioning piece, so that the convex disc 10 is positioned.
The tensioning piece is a spring body 13 sleeved outside the small diameter ends of the two convex discs 10, the cutter head 5 is guided by the two convex discs 10, and the two convex discs 10 are tensioned between the collet 3 and the diameter reducing part 9 by the spring body 13; the end part of the straight pipe section 8 is tightly propped, so that the collet 3 is secondarily clamped.
The tensioning piece is a rubber ring 14 arranged between the small-diameter end parts of the two convex discs 10, and the two convex discs 10 are tensioned between the collet 3 and the reducing part 9 through the rubber ring 14; the end part of the straight pipe section 8 is tightly propped, so that the collet 3 is secondarily clamped.
The above embodiments are merely preferred embodiments of the present utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a high-speed numerical control handle of a knife which characterized in that: comprising the following steps:
the front end of the conical cutter handle body is provided with a threaded fastening section;
The front end of the collet chuck is integrally provided with an extension part, and the collet chuck is embedded with the inner side of the conical cutter handle; the collet chuck is clamped with a tool bit;
The outer diameter of the gland is consistent with the outer diameter of the front end of the collet chuck; the front end of the gland is provided with an extension part perforation; a thread groove is formed in the outer part of the gland;
The diameter-reducing sheath comprises a straight pipe section screwed with the thread groove; the outer diameter of the straight pipe section is consistent with the outer diameter of the rear end of the gland; the front end of the straight pipe section is integrally provided with a diameter reducing part; the tool bit movably penetrates through the diameter reducing part;
The tensioning support sleeve comprises two opposite convex plates, and one surface, away from each other, of each convex plate is pressed on the inner surfaces of the extension part and the diameter reduction part respectively; the tool bit movably passes through two convex plates, and a tensioning piece is sleeved between the two convex plates.
2. The high-speed numerical control tool shank according to claim 1, wherein: and the front ends of the gland and the diameter reducing part are provided with positioning clamping holes.
3. The high-speed numerical control tool shank according to claim 1, wherein: the inner side of the diameter-reducing sheath is integrally provided with a positioning ring seat; and the convex disc is movably embedded into the inner side of the positioning ring seat, and the outer edge of the convex disc is attached to the inner edge of the positioning ring seat.
4. The high-speed numerical control tool shank according to claim 1, wherein: the tensioning piece is a spring body sleeved outside the small diameter ends of the two convex discs.
5. The high-speed numerical control tool shank according to claim 1, wherein: the tensioning piece is a rubber ring arranged between the small-diameter end parts of the two convex discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421092510.1U CN221159399U (en) | 2024-05-20 | 2024-05-20 | High-speed numerical control knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421092510.1U CN221159399U (en) | 2024-05-20 | 2024-05-20 | High-speed numerical control knife handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221159399U true CN221159399U (en) | 2024-06-18 |
Family
ID=91460441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421092510.1U Active CN221159399U (en) | 2024-05-20 | 2024-05-20 | High-speed numerical control knife handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221159399U (en) |
-
2024
- 2024-05-20 CN CN202421092510.1U patent/CN221159399U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221159399U (en) | High-speed numerical control knife handle | |
| CN214023649U (en) | Center drill for live center | |
| CN201537827U (en) | Fast loading and unloading fixture for large boring machine cutter | |
| CN210024575U (en) | Workpiece fixing clamp for machining workpiece air inlet hole for lathe | |
| CN202291525U (en) | Rotary positioning drilling jig clamp | |
| CN211331425U (en) | Nut inclined hole processing tool | |
| CN212071115U (en) | Machining device for Morse inner taper shank cutter | |
| CN212599083U (en) | Positioning tool for processing circumferential hole of tubular part | |
| CN209754104U (en) | Length-adjustable one-step forming double-sided chamfering cutter bar | |
| CN218656847U (en) | Adjustable lathe pin-pulling device | |
| CN221289644U (en) | Hydraulic cutter bar | |
| CN221435034U (en) | Device for drilling end surface pin holes on large-caliber conical cylinder thin-wall part | |
| CN216967713U (en) | A mount pad that is used for screw tap production fixed usefulness | |
| CN218591844U (en) | Lathe collet chuck | |
| CN111112701B (en) | Assembled type hole drill | |
| CN220127676U (en) | Floating type chamfering drill bit | |
| CN219254243U (en) | Angle countersink drill with adjustable depth | |
| CN220259633U (en) | Valve core overturning type drill jig | |
| CN221312743U (en) | Internal cooling cutter with double V-shaped positioning interface structure | |
| CN221494253U (en) | Semi-automatic boring device for finish machining of airplane intersection hole system | |
| CN221336746U (en) | Deep hole drill with guide function | |
| CN213054329U (en) | A set of two-type clamp components | |
| CN213257557U (en) | Multifunctional screw die and screw tap jacket device | |
| CN221620929U (en) | Milling cutter convenient to rotate for numerical control gantry machining | |
| CN215824813U (en) | Fixing device of powder metallurgy tool bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |