CN210967878U - Hydraulic numerical control knife handle with strong clamping force and without pressure release - Google Patents
Hydraulic numerical control knife handle with strong clamping force and without pressure release Download PDFInfo
- Publication number
- CN210967878U CN210967878U CN201922080666.3U CN201922080666U CN210967878U CN 210967878 U CN210967878 U CN 210967878U CN 201922080666 U CN201922080666 U CN 201922080666U CN 210967878 U CN210967878 U CN 210967878U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- lock sleeve
- numerical control
- shaped groove
- clearance fit
- 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
Images
Landscapes
- Shearing Machines (AREA)
Abstract
The utility model discloses a hydraulic numerical control knife handle with strong clamping force and no pressure release, which comprises a knife handle body, wherein one end of the knife handle body is a taper shank matched with a machine tool spindle interface, the other end is a cutter clamping part with a pressurizing threaded hole, a pressurizing bolt is arranged in the pressurizing threaded hole, a hydraulic cylinder is arranged in the cutter clamping part, a deformation lock sleeve is arranged in the hydraulic cylinder, the right end face of the deformation lock sleeve is provided with an inner hole for clamping a cutter, and the hydraulic cylinder and the deformation lock sleeve are respectively provided with a cylindrical hole matched with the pressurizing threaded hole; the hydraulic channel sets up on the outer periphery of warping the lock sleeve, and simple manufacture has saved the cost, and the filth in the hydraulic channel is convenient for clear up moreover, guarantees that each friction glide plane closely does not have the clearance cooperation, moreover the injection of high-purity hydraulic fluid can be realized to the setting of hydraulic channel, and then can continuously provide powerful clamping-force.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a numerical control instrument field especially relates to a hydraulic pressure numerical control handle of a knife of strong and no pressure release of clamping-force.
[ background of the invention ]
The existing hydraulic knife handle clamping tools on the market are all provided with an integral hydraulic loop, the manufacturing mode is that a non-deformable body and an inner sleeve with a clamping hole are brazed to complete the hydraulic loop, the clamping hole in the inner sleeve is formed by surrounding a deformable and compressible thin shell with a thin wall thickness formed by one or more annular sections, the integral design mode is provided with the hydraulic loop with a relatively complex geometric shape, and the manufacturing cost is high and the manufacturing process is complex. Another disadvantage of the geometry of the hydraulic circuit is the difficulty in removing debris that accumulates during the manufacture of the integral hydraulic cylinder, and the resulting contamination of the hydraulic circuit can result in excessive wear of the piston seals, resulting in reduced seal life and possible leakage. In addition, complex geometries can make it difficult to ensure high purity without air inclusions when pumping hydraulic fluid to fill the hydraulic circuit, and hydraulic fluid with air can result in lower holding torque of the tool shank.
[ Utility model ] content
In order to solve the defects of a hydraulic circuit of the numerical control knife handle in the manufacturing and using processes in the prior art, the hydraulic numerical control knife handle with strong clamping force and no pressure release is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a strong and hydraulic pressure numerical control handle of a knife of no pressure release of clamping-force, includes the handle of a knife body, the one end of handle of a knife body is for the taper shank with lathe main shaft interface matched with, and the other end is the cutter clamping part that has the pressurization screw hole, the threaded hole that pressurizes is provided with the pressurization bolt, the top of pressurization bolt is provided with the pressurization piston, the piston cover has been cup jointed outward to the pressurization piston, be provided with a hydraulic pressure section of thick bamboo in the cutter clamping part, be provided with the lock sleeve that warp in the hydraulic pressure section of thick bamboo, the right-hand member face that warp the lock sleeve is provided with the hole that is used for centre gripping cutter, be provided with the first cylinder hole with pressurization screw hole matched with on the hydraulic pressure section of thick bamboo, be provided with the hydraulic pressure passageway between hydraulic.
Preferably, the deformation lock sleeve and the hydraulic cylinder are in press fit and are connected through brazing.
Preferably, the deformation lock sleeve is sequentially provided with a first clearance fit surface, a first annular groove, a second clearance fit surface, a second annular groove and a third clearance fit surface from left to right, the second cylindrical hole is arranged in the first clearance fit surface, the first clearance fit surface is further provided with a first strip-shaped groove, the first strip-shaped groove is arranged along the axial direction of the deformation lock sleeve, and two ends of the first strip-shaped groove are respectively communicated with the second cylindrical hole and the first annular groove.
Preferably, the first clearance fit surface is further provided with a second strip-shaped groove, the second strip-shaped groove is parallel to the first strip-shaped groove, two ends of the second strip-shaped groove are respectively communicated with the cylindrical hole and the first annular groove, and the second strip-shaped groove is used as an exhaust channel in the oil injection process.
Preferably, a third strip-shaped groove is arranged on the second gap matching surface, and two ends of the third strip-shaped groove are respectively communicated with the first annular groove and the second annular groove and used as connecting channels of the first annular groove and the second annular groove.
Preferably, the first clearance fit surface, the second clearance fit surface and the third clearance fit surface are respectively in interference fit with the hydraulic cylinder.
Preferably, the hydraulic cylinder and the tool handle body are assembled through interference fit and are fastened through brazing.
Preferably, the deformation lock sleeve is further provided with two cooling holes, and the two cooling holes can be matched with the inner-cooling tool shank body and used as a cooling water outlet channel in a machine tool to realize inner cooling of the tool.
Compared with the prior art, the utility model discloses following beneficial effect has: the hydraulic channel of the utility model is arranged on the circumferential surface of the deformable lock sleeve, which is simpler than the traditional hydraulic channel manufacturing process and saves the manufacturing cost; the hydraulic channel is arranged on the circumferential surface of the deformable lock sleeve, so that dirt in the hydraulic channel can be cleaned conveniently, and the tight and leakless fit of the friction sliding surfaces is ensured; the unique oil filling channel and the unique air exhaust channel ensure that the high-purity hydraulic fluid can be filled in the oil filling process of the hydraulic cylinder, so that strong clamping force can be continuously provided; all through interference fit between hydraulic pressure section of thick bamboo and the lock sleeve that warp, the handle of a knife body to brazed connection, convenient to detach all has no influence to hydraulic pressure section of thick bamboo, warp lock sleeve and handle of a knife body, has prolonged the life of handle of a knife.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a cross-sectional structure of a hydraulic numerical control knife handle of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the knife handle body of the present invention;
fig. 3 is a top view of the hydraulic cylinder of the present invention;
fig. 4 is a top view of the deformable sleeve of the present invention;
FIG. 5 is a cross-sectional view taken in the direction AA of FIG. 4;
FIG. 6 is a cross-sectional view taken in the direction BB in FIG. 4;
wherein: 1-a knife handle body; 2-a hydraulic cylinder; 3-deforming the lock sleeve; 4-a compression bolt; 5-a pressurizing piston; 6-a piston sleeve; 101-taper shank; 102-a tool holding portion; 1021-a pressurized threaded hole; 201-a first cylindrical bore; 301-a second cylindrical bore; 302-a first clearance fit surface; 303 — a first annular groove; 304-a second clearance mating surface; 305-a second annular groove; 306-a third clearance fit; 307-inner hole; 308-cooling holes; 3021-first bar-shaped groove; 3022-a second strip groove; 3041-a third strip groove.
[ detailed description ] embodiments
To make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described below with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a hydraulic numerical control knife handle with strong clamping force and no pressure release, which comprises a knife handle body 1, as shown in fig. 2, one end of the knife handle body 1 is a taper shank 101 matched with a machine tool spindle interface, and the other end is a cutter clamping part 102 with a pressurized threaded hole 1021; as shown in fig. 1, a pressurizing bolt 4 is arranged in the pressurizing threaded hole 1021, a pressurizing piston 5 is arranged at the top of the pressurizing bolt 4, a piston sleeve 6 is sleeved outside the pressurizing piston 5, a hydraulic cylinder 2 is arranged in the cutter clamping part 102, and a deformation lock sleeve 3 is arranged in the hydraulic cylinder 2; as shown in fig. 3, the hydraulic cylinder 2 is provided with a first cylindrical hole 201 matching with the pressure threaded hole 1021, as shown in fig. 4 to 6, the deformable lock sleeve 3 is provided with a second cylindrical hole 301 matching with the pressure threaded hole 1021 and the first cylindrical hole 201, the right end face of the deformable lock sleeve 3 is provided with an inner hole 307 for clamping a tool, and a hydraulic passage is provided between the hydraulic cylinder 2 and the deformable lock sleeve 3.
As shown in fig. 4, the deformable lock sleeve 3 is sequentially provided with a first clearance fit surface 302, a first annular groove 303, a second clearance fit surface 304, a second annular groove 305, and a third clearance fit surface 306 from left to right, the second cylindrical hole 301 is provided in the first clearance fit surface 302, the first clearance fit surface 302 is further provided with a first bar-shaped groove 3021, the first bar-shaped groove 3021 is provided along the axial direction of the deformable lock sleeve 3, and two ends of the first bar-shaped groove 3021 are respectively communicated with the second cylindrical hole 301 and the first annular groove 303; the first annular groove 303 and the second annular groove 305 are both annular grooves that are formed around the outer circumferential axis of the deformable lock sleeve 3.
As shown in fig. 4, the first clearance fit surface 302 is further provided with a second strip-shaped groove 3022, the second strip-shaped groove 3022 is arranged in parallel with the first strip-shaped groove 3021, and both ends of the second strip-shaped groove 3022 are respectively communicated with the second cylindrical hole 301 and the first annular groove 303, and the second strip-shaped groove 3022 serves as an exhaust passage during oil injection.
The second gap matching surface 304 is provided with a third strip groove 3041, and two ends of the third strip groove 3041 are respectively communicated with the first annular groove 303 and the second annular groove 305, and are used as connecting channels of the first annular groove 303 and the second annular groove 305. The first clearance fit surface 302, the second clearance fit surface 304 and the third clearance fit surface 306 are respectively in interference fit with the hydraulic cylinder 2 and are connected by brazing. The first strip-shaped groove 3021, the second strip-shaped groove 3022, the first annular groove 303, the second annular groove 305, the third strip-shaped groove 3041, and the hydraulic cylinder 2 form a hydraulic passage in combination.
Preferably, the hydraulic cylinder 2 and the tool clamping portion 102 are assembled by interference fit and fastened by brazing.
Preferably, as shown in fig. 5, the deformed lock sleeve 3 is provided with a cooling hole 308 which can be matched with the internally-cooled tool holder body to be used as a water outlet channel for cooling in the machine tool so as to realize cooling in the tool.
The theory of operation of hydraulic pressure numerical control handle of a knife: a small pipe is inserted into the first strip-shaped groove 3021 through the pressure threaded hole 1021 for oil injection, the first strip-shaped groove 3021 serves as an oil injection passage, hydraulic oil is injected through the first strip-shaped groove 3021, air in the annular groove is discharged through the second strip-shaped groove 3022, the second annular groove 305, the third strip-shaped groove 3041, the first annular groove 303, the first strip-shaped groove 3021, the second strip-shaped groove 3022, and the pressure threaded hole 1021 are gradually filled with the hydraulic oil, then the pressure bolt 4 is tightened, the pressure piston 5 and the piston sleeve 6 are pushed down, and the hydraulic oil is further compressed, so that the thin-wall area of the deformation lock sleeve 3 is pressed and deformed to clamp the cutter; when the tool is disassembled, the pressurizing bolt 4 is unscrewed, the pressurizing piston 5 moves downwards, the deformed lock sleeve 3 is restored to the original state, and the tool is disassembled.
When needing to clear up hydraulic passage, will warp lock sleeve 3 and pull down and clear up, because adopt brazed connection between warp lock sleeve 3 and the hydraulic pressure section of thick bamboo 2, dismantle and can not lead to the fact the influence to a hydraulic pressure section of thick bamboo and warp the lock sleeve.
Claims (8)
1. The utility model provides a strong and hydraulic pressure numerical control handle of a knife of no pressure release of clamping-force, includes the handle of a knife body, the one end of handle of a knife body is for the taper shank with lathe main shaft interface matched with, and the other end is the cutter clamping part that has the pressurization screw hole, the threaded hole that pressurizes is provided with the pressurization bolt, the top of pressurization bolt is provided with the pressurization piston, the piston cover has been cup jointed outward to the pressurization piston, a serial communication port, be provided with hydraulic pressure section of thick bamboo in the cutter clamping part, be provided with the lock sleeve that warp in the hydraulic pressure section of thick bamboo, the right-hand member face that warp the lock sleeve is provided with the hole that is used for the centre gripping cutter, be provided with the first cylinder hole with pressurization screw hole matched with on the hydraulic pressure section of thick bamboo, be provided with hydraulic pressure passageway between hydraulic.
2. The hydraulic numerical control knife handle according to claim 1, characterized in that the deformation lock sleeve and the hydraulic cylinder are in interference fit and are connected through brazing.
3. The hydraulic numerical control knife handle according to claim 1, wherein the deformation lock sleeve is sequentially provided with a first clearance fit surface, a first annular groove, a second clearance fit surface, a second annular groove and a third clearance fit surface from left to right, the cylindrical hole is arranged in the first clearance fit surface, the first clearance fit surface is further provided with a first bar-shaped groove, the first bar-shaped groove is arranged along the axial direction of the deformation lock sleeve, and two ends of the first bar-shaped groove are respectively communicated with the cylindrical hole and the first annular groove.
4. The hydraulic numerical control tool handle according to claim 3, wherein a second strip-shaped groove is further arranged on the first clearance fit surface, the second strip-shaped groove is parallel to the first strip-shaped groove, and two ends of the second strip-shaped groove are respectively communicated with the cylindrical hole and the first annular groove.
5. The hydraulic numerical control knife handle according to claim 3, characterized in that a third strip-shaped groove is arranged on the second clearance fitting surface, and two ends of the third strip-shaped groove are respectively communicated with the first annular groove and the second annular groove to serve as connecting channels of the first annular groove and the second annular groove.
6. The hydraulic numerical control tool shank according to claim 3, wherein the first clearance fit surface, the second clearance fit surface and the third clearance fit surface are in interference fit with the hydraulic cylinder respectively.
7. The hydraulic numerical control tool shank according to claim 1, wherein the hydraulic cylinder and the tool shank body are assembled through interference fit and are fastened through brazing.
8. The hydraulic numerical control tool shank according to claim 1, wherein the deformation lock sleeve is further provided with a cooling hole as a cold water outlet channel in a machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922080666.3U CN210967878U (en) | 2019-11-27 | 2019-11-27 | Hydraulic numerical control knife handle with strong clamping force and without pressure release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922080666.3U CN210967878U (en) | 2019-11-27 | 2019-11-27 | Hydraulic numerical control knife handle with strong clamping force and without pressure release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210967878U true CN210967878U (en) | 2020-07-10 |
Family
ID=71458504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922080666.3U Active CN210967878U (en) | 2019-11-27 | 2019-11-27 | Hydraulic numerical control knife handle with strong clamping force and without pressure release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210967878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229540A (en) * | 2022-08-17 | 2022-10-25 | 成都成林数控刀具股份有限公司 | Hydraulic tool shank |
-
2019
- 2019-11-27 CN CN201922080666.3U patent/CN210967878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229540A (en) * | 2022-08-17 | 2022-10-25 | 成都成林数控刀具股份有限公司 | Hydraulic tool shank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100427274C (en) | Pulling unit | |
| CN201779380U (en) | Separation-proof leak-prevention hose joint | |
| CN210967878U (en) | Hydraulic numerical control knife handle with strong clamping force and without pressure release | |
| ITMI980428A1 (en) | METHOD FOR IMPROVING THE RESISTANCE TO FATIGUE DUE TO A REPEATED PRESSURE AT THE PART OF A BRANCH HOLE IN A | |
| CN202091688U (en) | Quick connector | |
| CN104785603B (en) | A kind of split type plug for the processing of internal high pressure forming pipe fitting | |
| CN112497070A (en) | Universal oil pressure chuck for internal grinding machine | |
| CN201058422Y (en) | Liner detaching tool | |
| CN203532400U (en) | Angling cylinder | |
| CN205799186U (en) | A kind of sealed polishing tool of Digit Control Machine Tool | |
| CN209792619U (en) | Main shaft axis oil inlet and return device | |
| CN210549571U (en) | Automatic tool changing spindle clamp | |
| CN107448603A (en) | A kind of piston rod | |
| CN204545474U (en) | Assembled hydraulic pressure handle of a knife | |
| CN209959866U (en) | Double-cone wear-resistant locking sleeve for shaft system sealing | |
| CN219703481U (en) | Air gun plugging tool convenient to replace | |
| JP2008223580A (en) | Reciprocating pump | |
| CN210161616U (en) | Die capable of eliminating hose clearance | |
| JP6257738B1 (en) | Bulge processing equipment | |
| JP2016169762A (en) | Inner surface engaging joint, engaging auxiliary tool and engaging method | |
| CN219074911U (en) | Elastic sleeve of hydraulic knife handle | |
| CN210208699U (en) | Quick-change hydraulic tool shank connector | |
| CN216518581U (en) | Plunger assembly | |
| CN209990758U (en) | Plunger pump packing gland nut | |
| CN2688444Y (en) | Hydraulic high-precision centering clamp chuck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |