CN223629983U - A multi-functional knife handle - Google Patents
A multi-functional knife handleInfo
- Publication number
- CN223629983U CN223629983U CN202423139292.5U CN202423139292U CN223629983U CN 223629983 U CN223629983 U CN 223629983U CN 202423139292 U CN202423139292 U CN 202423139292U CN 223629983 U CN223629983 U CN 223629983U
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- China
- Prior art keywords
- damping
- connecting rod
- external
- knife handle
- screw
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a multifunctional knife handle which comprises a knife handle main body, a vibration reduction connecting rod, a collet chuck, a screw cap and a damping and damping mechanism, wherein the collet chuck penetrates through a clamping groove and is used for being connected with an external knife, a first internal thread matched with the first external thread is formed on the inner wall of the screw cap, the screw cap is connected to the vibration reduction connecting rod in a screw mode, the damping and damping mechanism is arranged between the vibration reduction connecting rod and the knife handle main body and is used for relieving vibration of the external knife, and when the screw cap is rotated and pushed to axially move, the collet chuck is extruded and contracted by the clamping groove so as to clamp the external knife. According to the utility model, the horn-shaped clamping groove is adopted to extrude and shrink the collet, so that the locking force and the connecting strength of the external cutter are effectively improved, meanwhile, vibration generated during the working of the external cutter is relieved through the damping and damping mechanism, the surface precision of a machined workpiece can be effectively ensured, the phenomenon of cracking of the cutting edge of the external cutter is avoided, the service life of the cutter is prolonged, and the use requirement is met.
Description
Technical field:
the utility model relates to the technical field of machine tool cutters, in particular to a multifunctional cutter handle.
The background technology is as follows:
the tool shank is the connection of the mechanical spindle to the tool and other accessory tools.
When the prior knife handle and the knife are matched and installed, the knife is generally clamped and fixed by a collet chuck installed in the knife handle, and then is locked on the knife handle by a screw cap. The traditional powerful tool handle has higher locking force, and the precision of the tool handle cannot be well ensured due to structural limitation, so that the powerful tool handle is only suitable for rough machining. The Chinese patent application with the patent publication number of CN217941891U discloses a split type knife handle, which comprises a knife handle body, a joint handle and a locking screw, wherein one end of the knife handle body is provided with a plug hole for connecting the joint handle, the inner end of the plug hole of the knife handle body is also provided with an auxiliary locking hole, the auxiliary locking hole is in threaded connection with a clamping table nut, the middle part of the clamping table nut is provided with a penetrating hole, one end of the knife handle body, far away from the plug hole, of the clamping table nut is provided with a containing cavity for containing the head part of the locking screw, the head part of the locking screw is provided with a locking clamping groove, and the middle part of the knife handle body is provided with an operation hole for communicating a mounting hole with the containing cavity. The locking screw with the larger diameter can be adopted to improve the locking force and the connecting strength of the connecting handle when the diameter of the operation hole is fixed, namely, the improvement of the locking force and the connecting strength of the connecting handle is realized under the condition that the rigidity of the cutter handle body is not influenced.
However, such existing split tool shanks still have the following disadvantages:
In the technical scheme, the locking screw is used for locking the butt joint handle, the locking screw with larger diameter can be used for improving the locking force and the connecting strength of the butt joint handle, but with the increase of the hardness of a workpiece and the application of a composite material, the processing requirement is strict, the processing precision cannot be ensured in such a way, the structure is not provided with a structure capable of buffering the vibration of the cutter, the surface precision of the processed workpiece is difficult to ensure even the micro-collapse of the cutting edge of the cutter under long-time use, the service life of the cutter is influenced, and the requirement is difficult to meet.
In view of this, the present inventors have proposed the following means.
The utility model comprises the following steps:
The utility model aims to overcome the defects of the prior art and provides a multifunctional knife handle.
The multifunctional tool handle comprises a tool handle main body, a vibration reduction connecting rod, a collet, a nut, a damping attenuation mechanism and a clamping mechanism, wherein a connecting cavity is formed in the tool handle main body, the vibration reduction connecting rod penetrates through the connecting cavity, a clamping groove which is gradually narrowed and is in a horn shape is formed in the vibration reduction connecting rod, a first external thread is formed in the vibration reduction connecting rod, the collet penetrates through the clamping groove and is used for being connected with an external tool, a first internal thread matched with the first external thread is formed in the inner wall of the nut, the nut is connected to the vibration reduction connecting rod in a screwed mode, the damping attenuation mechanism is arranged between the vibration reduction connecting rod and the tool handle main body and is used for relieving vibration of the external tool, and when the nut is rotated and pushed to axially move, the collet is extruded and contracted by the clamping groove so as to clamp the external tool.
Furthermore, in the above technical scheme, a hole for inserting an external cutter is formed in the collet in a penetrating manner, and the collet is in a horn shape and is embedded into the clamping groove.
Furthermore, in the above technical scheme, a cap hole which is communicated with the cylinder hole and is used for the external cutter to pass through is formed in the nut, and a nut pushing part for pushing the collet is formed in the nut.
Furthermore, in the above technical scheme, the vibration reduction connecting rod is sleeved with a positioning sleeve for circumferentially limiting the vibration reduction connecting rod, the positioning sleeve is circumferentially positioned through a first positioning screw, a plurality of first screw holes are formed in the positioning sleeve and correspond to the first screw holes, a plurality of first through holes are formed in the cutter handle main body, and the first positioning screw penetrates through the first through holes and is spirally fixed in the first screw holes.
Furthermore, in the above technical scheme, the vibration reduction connecting rod is including the receipts section of pressing from both sides that is used for inserting the collet chuck and with this receipts clamp section integrated into one piece and be used for supplying damping attenuation mechanism cover to establish the axis body section, the shaping has several damping circle grooves on the axis body section, has still seted up the second screw on the axis body section.
Furthermore, in the technical scheme, the damping attenuation mechanism comprises a plurality of sealing rings sleeved on the clamping section and used for enhancing the sealing performance, a plurality of steel balls arranged between the damping connecting rod and the cutter handle main body, a plurality of damping rings sleeved on the damping connecting rod and used for providing damping, a shaft sleeve sleeved on the damping connecting rod and used for enhancing the axial strength, a second screw spirally installed in the second screw hole and a gasket locked and fixed through the second screw and used for damping.
Furthermore, in the above technical scheme, the damping ring is sleeved in the damping ring groove, damping liquid for increasing damping is arranged in the damping ring groove, and a gasket for preventing the gasket from being damaged is arranged between the gasket and the shaft body section.
Furthermore, in the above technical scheme, the handle main body is formed with a horn-shaped connector, and the connector is provided with a connecting screw hole for connecting with an external machine.
Furthermore, in the above technical scheme, a locking clamping position for the external wrench to twist is formed on the vibration reduction connecting rod.
Compared with the prior art, the clamping device has the advantages that the clamping device adopts the horn-shaped clamping grooves to extrude and shrink the collet, so that the locking force and the connecting strength of the external cutter are effectively improved, meanwhile, vibration generated when the external cutter works is relieved through the damping attenuation mechanism, the surface precision of a machined workpiece can be effectively ensured, the phenomenon of cracking of the cutting edge of the external cutter is avoided, the service life of the cutter is prolonged, the use requirement is met, and the clamping device can be popularized and applied to various cutter handle structures. In addition, compared with the prior structure, the utility model drives the collet chuck to axially move through the cooperation of the nut and the vibration reduction connecting rod so as to clamp and loosen the external cutter, and when the cutter is installed or replaced, the cutter can be locked or loosened by only rotating the nut with a spanner, so that the structure is simplified, the periodic maintenance and the maintenance are not needed, the cost is relatively low, the use is convenient, and the utility model is suitable for various rough and fine machining.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an exploded schematic view of the present utility model;
Fig. 4 is a schematic cross-sectional view of the present utility model after being disassembled.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 to 4, a multifunctional tool holder is shown, which comprises a tool holder main body 1, a damping connecting rod 2, a collet 3, a nut 4, a damping mechanism 5 and a collet chuck 3, wherein a connecting cavity 11 is formed in the tool holder main body 1, the damping connecting rod 2 is arranged in the connecting cavity 11 in a penetrating mode, the damping connecting rod 2 is provided with a clamping groove 21 which is gradually narrowed and is in a horn shape, a first external thread 22 is formed on the damping connecting rod 2, the collet chuck 3 is arranged in the clamping groove 21 in a penetrating mode and is used for being connected with an external tool, a first internal thread 41 matched with the first external thread 22 is formed on the inner wall of the nut 4, the nut 4 is connected to the damping connecting rod 2 in a screwed mode, the damping mechanism 5 is arranged between the damping connecting rod 2 and the tool holder main body 1 and is used for relieving vibration of the external tool, and when the nut 4 is rotated and the collet chuck 3 is pushed to axially move, the collet chuck 3 is extruded and contracted by the clamping groove 21 so as to clamp the external tool.
According to the utility model, the horn-shaped clamping groove 21 is adopted to squeeze and shrink the collet chuck 3, so that the locking force and the connecting strength of an external cutter are effectively improved, meanwhile, vibration generated during the working of the external cutter is relieved through the damping attenuation mechanism 5, the surface precision of a machined workpiece can be effectively ensured, the phenomenon of cracking of the cutting edge of the external cutter is avoided, the service life of the cutter is prolonged, the use requirement is met, and the tool can be popularized and applied to various cutter handle structures. In addition, compared with the existing structure, the utility model drives the collet chuck 3 to axially move through the cooperation of the nut 4 and the vibration reduction connecting rod 2 so as to clamp and loosen an external cutter, and when the cutter is installed or replaced, the cutter can be locked or loosened by only rotating the nut 4 by using a spanner, so that the structure is simplified, regular maintenance and maintenance are not needed, the cost is relatively low, the use is convenient, and the utility model is suitable for various rough and finish machining.
The collet 3 is provided with a through hole 31 for inserting an external cutter, and the collet 3 is horn-shaped and is inserted into the clamping groove 21. Here, the clamping groove 21 is in a horn shape, when the collet 3 moves axially, the clamping groove 21 generates a clamping force to the collet 3 to press and force the collet 3 to shrink, so that the external cutter is fully and tightly clamped without dead angles, and the clamping effect is achieved.
The nut 4 is provided with a cap hole 43 which is communicated with the cylindrical hole 31 and is used for an external cutter to pass through, and a nut pushing part 42 for pushing the collet 3 is formed in the nut 4. Here, when the nut 4 is screwed by using a wrench, the nut pushing portion 42 pushes against the front end of the collet 3 to drive the collet 3 to move axially inward, and it is understood that the degree of clamping of the collet 3 to the external tool depends on the tightness of the nut 4, the more tightly the nut 4 is screwed, the greater the clamping force of the collet 3 is, and the tool can be locked or unlocked by only turning the nut 4 by using a wrench, which is very convenient to operate.
The vibration reduction connecting rod 2 is sleeved with a positioning sleeve 8 for circumferentially limiting the vibration reduction connecting rod 2, the positioning sleeve 8 is circumferentially positioned through a first positioning screw 6, a plurality of first screw holes 23 are formed in the positioning sleeve 8 and correspond to the first screw holes, a plurality of first through holes 12 are formed in the cutter handle main body 1, and the first positioning screw 6 penetrates through the first through holes 12 and is spirally fixed in the first screw holes 23. Here, in order to prevent vibration-affected and produce unexpected circumferential rotation of vibration-damping connecting rod 2 in handle of a knife main part 1, adopt spacer sleeve 8 to tighten the cover and locate vibration-damping connecting rod 2 on, rethread several first screw 23 carries out circumferential spacing to spacer sleeve 8, has effectively prevented vibration-damping connecting rod 2 unexpected rotation, avoids punching on vibration-damping connecting rod 2, helps promoting vibration-damping connecting rod 2's rigidity, simultaneously, has reduced the processing degree of difficulty.
The vibration reduction connecting rod 2 comprises a clamping section 24 for inserting the collet 3 and a shaft body section 25 which is integrally formed with the clamping section 24 and is used for sleeving the damping attenuation mechanism 5, a plurality of damping ring grooves 251 are formed in the shaft body section 25, and a second screw hole 252 is formed in the shaft body section 25. The damping attenuation mechanism 5 comprises a plurality of sealing rings 51 sleeved on the clamping section 24 and used for enhancing the sealing performance, a plurality of steel balls 52 arranged between the damping connecting rod 2 and the knife handle main body 1, a plurality of damping rings 53 sleeved on the damping connecting rod 2 and used for providing damping, a shaft sleeve 54 sleeved on the damping connecting rod 2 and used for enhancing the axial strength, a second screw 55 spirally installed in the second screw hole 252 and a gasket 56 locked and fixed through the second screw 55 and used for damping. The damping ring 53 is sleeved in the damping ring groove 251, damping liquid for increasing damping is arranged in the damping ring groove 251, and a gasket 57 for preventing the gasket 56 from being damaged is arranged between the gasket 56 and the shaft body section 25. Here, the damping mechanism 5 realizes multi-level vibration damping through the multiple structures of the damping rings 53, the steel balls 52, the shaft sleeves 54 and the gaskets 56, can effectively relieve the vibration of the external cutter during processing, and reduces the loss of the external cutter.
The tool handle body 1 is formed with a horn-shaped connector 101, and the connector 101 is provided with a connecting screw hole 102 for connecting with an external machine.
The vibration reduction connecting rod 2 is provided with a locking clamping position 201 for an external wrench to twist. Here, when the external cutter is assembled and disassembled, the locking clamp 201 can be clamped by one wrench, and then the nut 4 can be clamped by the other wrench, so that the nut 4 can be rotated to lock or unlock the external cutter, and the convenience of use is further improved.
In summary, in the utility model, the trumpet-shaped clamping groove 21 is adopted to squeeze and shrink the collet 3, so that the locking force and the connecting strength of the external cutter are effectively improved, meanwhile, the vibration generated when the external cutter works is relieved through the damping and damping mechanism 5, the surface precision of a machined workpiece can be effectively ensured, the phenomenon of cracking of the cutting edge of the external cutter is avoided, the service life of the cutter is prolonged, the use requirement is met, and the tool can be popularized and applied to various cutter handle structures. In addition, compared with the existing structure, the utility model drives the collet chuck 3 to axially move through the cooperation of the nut 4 and the vibration reduction connecting rod 2 so as to clamp and loosen an external cutter, and when the cutter is installed or replaced, the cutter can be locked or loosened by only rotating the nut 4 by using a spanner, so that the structure is simplified, regular maintenance and maintenance are not needed, the cost is relatively low, the use is convenient, and the utility model is suitable for various rough and finish machining.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (9)
1. A multifunctional knife handle, comprising:
A knife handle main body (1), wherein a connecting cavity (11) is arranged on the knife handle main body (1);
The vibration reduction connecting rod (2) is arranged in the connecting cavity (11) in a penetrating mode, a clamping groove (21) which is gradually narrowed and is in a horn shape is formed in the vibration reduction connecting rod (2), and a first external thread (22) is formed on the vibration reduction connecting rod (2);
a collet (3) which is inserted into the clamping groove (21) and is used for connecting an external cutter;
the inner wall of the screw cap (4) is provided with a first internal thread (41) matched with the first external thread (22), and the screw cap (4) is connected to the vibration reduction connecting rod (2) in a screw manner;
A damping and attenuating mechanism (5) which is arranged between the damping connecting rod (2) and the cutter handle main body (1) and is used for relieving external cutter vibration;
When the nut (4) is turned and the collet (3) is pushed to move axially, the collet (3) is pressed by the clamping groove (21) to be contracted so as to clamp the external cutter.
2. A multifunctional knife handle according to claim 1, characterized in that a barrel hole (31) for inserting an external knife is formed in the collet (3) in a penetrating manner, and the collet (3) is horn-shaped and is embedded into the clamping groove (21).
3. A multifunctional tool handle according to claim 2, characterized in that the nut (4) is provided with a cap hole (43) communicated with the barrel hole (31) and used for an external tool to pass through, and a nut pushing part (42) used for pushing the collet (3) is formed in the nut (4).
4. The multifunctional knife handle according to claim 1, wherein the vibration reduction connecting rod (2) is sleeved with a positioning sleeve (8) for circumferentially limiting the vibration reduction connecting rod (2), the positioning sleeve (8) is circumferentially positioned through a first positioning screw (6), a plurality of first screw holes (23) are formed in the positioning sleeve (8), a plurality of first through holes (12) are formed in the knife handle main body (1) corresponding to the positioning sleeve, and the first positioning screw (6) penetrates through the first through holes (12) and is spirally fixed in the first screw holes (23).
5. A multifunctional knife handle according to any one of claims 1-4, characterized in that the vibration reduction connecting rod (2) comprises a clamping section (24) for inserting the collet (3) and a shaft body section (25) which is integrally formed with the clamping section (24) and is used for sleeving a damping attenuation mechanism (5), a plurality of damping ring grooves (251) are formed on the shaft body section (25), and a second screw hole (252) is formed on the shaft body section (25).
6. The multifunctional knife handle according to claim 5, wherein the damping attenuation mechanism (5) comprises a plurality of sealing rings (51) sleeved on the clamping section (24) and used for enhancing sealing performance, a plurality of steel balls (52) arranged between the damping connecting rod (2) and the knife handle main body (1), a plurality of damping rings (53) sleeved on the damping connecting rod (2) and used for providing damping, a shaft sleeve (54) sleeved on the damping connecting rod (2) and used for enhancing axial strength, a second screw (55) spirally installed in the second screw hole (252) and a gasket (56) locked and fixed through the second screw (55) and used for damping.
7. The multifunctional knife handle according to claim 6, wherein the damping ring (53) is sleeved in the damping ring groove (251), damping liquid for increasing damping is arranged in the damping ring groove (251), and a gasket (57) for preventing the gasket (56) from being damaged is arranged between the gasket (56) and the shaft body section (25).
8. The multifunctional knife handle according to claim 5, wherein the knife handle main body (1) is provided with a horn-shaped connecting body (101), and the connecting body (101) is provided with a connecting screw hole (102) for connecting with an external machine.
9. The multifunctional knife handle according to any one of claims 6-8, wherein the vibration reduction connecting rod (2) is provided with a locking clamp (201) for an external wrench to twist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423139292.5U CN223629983U (en) | 2024-12-18 | 2024-12-18 | A multi-functional knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423139292.5U CN223629983U (en) | 2024-12-18 | 2024-12-18 | A multi-functional knife handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223629983U true CN223629983U (en) | 2025-12-05 |
Family
ID=97860906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423139292.5U Active CN223629983U (en) | 2024-12-18 | 2024-12-18 | A multi-functional knife handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223629983U (en) |
-
2024
- 2024-12-18 CN CN202423139292.5U patent/CN223629983U/en active Active
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