CN219152248U - Reaming handle of a knife - Google Patents
Reaming handle of a knife Download PDFInfo
- Publication number
- CN219152248U CN219152248U CN202220090961.6U CN202220090961U CN219152248U CN 219152248 U CN219152248 U CN 219152248U CN 202220090961 U CN202220090961 U CN 202220090961U CN 219152248 U CN219152248 U CN 219152248U
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- reaming
- floating
- assembly groove
- core shaft
- steel ball
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model discloses a reaming cutter handle, which belongs to the technical field of numerical control machining and comprises a cutter handle main body, a main body cavity sleeve and a floating reaming core shaft, wherein one end of the cutter handle main body is provided with the main body cavity sleeve so as to form a core shaft assembly groove in a surrounding manner; a floating steel ball which axially floats is arranged in the middle of the bottom wall of the mandrel assembly groove; one end of the floating reaming mandrel is movably assembled in the mandrel assembly groove through the matching of a plurality of sliding seat steel balls sliding radially and a plurality of sliding steel balls sliding radially, and one end of the floating reaming mandrel is abutted against the floating steel balls; the other end of the floating reaming core shaft is provided with a reamer assembly groove. According to the technical scheme, the technical problems that the quality and the precision of a machined part cannot be guaranteed and the service life of the reamer can be shortened due to the fact that the traditional reamer clamping tool is rigidly connected for clamping the reamer can be effectively solved.
Description
Technical Field
The utility model relates to the technical field of numerical control machining, in particular to a reaming cutter handle.
Background
As is well known, one of the essential important links in metal cutting during hole machining is that the hole machining process generally needs to be drilled, roughly turned or roughly milled, and then precisely reamed and reamed. The reamer is generally assembled on the numerical control machine tool through a reamer clamping tool, so that corresponding reaming operation is performed under the driving of the numerical control machine tool through the transmission of the reamer clamping tool. However, in the reaming process of the reamer, the reamer center and the product aperture center are hardly guaranteed to be in the same axis due to factors such as machine tool precision and vertical product positioning clamping, and certain deviation exists. Under the combined action of coaxiality errors and rotating centrifugal force, the reamer is equivalent to the point positions of a turning tool, a boring tool and the like to contact the cutting hole wall, only a few blades protruding on the circle of the rotating track participate in the cutting operation, and the rest blades cannot cut the hole wall, so that vibration is necessarily generated, and the service life period of the reamer is correspondingly shortened.
Disclosure of Invention
The utility model mainly aims to provide a reaming cutter handle, which aims to solve the technical problems that the quality and the precision of a machined part cannot be ensured and the service life of a reamer can be shortened due to the fact that a traditional reamer clamping tool is rigidly connected for clamping the reamer.
In order to achieve the above purpose, the reaming cutter handle provided by the utility model comprises a cutter handle main body, a main body cavity sleeve and a floating reaming core shaft, wherein one end of the cutter handle main body is provided with the main body cavity sleeve so as to form a core shaft assembly groove in a surrounding manner; a floating steel ball which axially floats is arranged in the middle of the bottom wall of the mandrel assembly groove; one end of the floating reaming mandrel is movably assembled in the mandrel assembly groove through the matching of a plurality of sliding seat steel balls sliding radially and a plurality of sliding steel balls sliding radially, and one end of the floating reaming mandrel is abutted against the floating steel balls; the other end of the floating reaming core shaft is provided with a reamer assembly groove.
Optionally, a long hole is formed in the tool handle main body, the long hole penetrates through the tool handle main body along the axial direction of the tool handle main body, a first adjusting screw is assembled at the other end of the tool handle main body to seal one end of the long hole to form a floating steel ball assembling groove with an opening on the bottom wall of the mandrel assembling groove, and the floating steel ball is elastically assembled in the floating steel ball assembling groove through an axially extending adjusting spring.
Optionally, the middle part of one end of the floating reaming core shaft is protruded to form an abutting part, and the abutting part is matched and abutted with the floating steel ball through an arc surface.
Optionally, a universal sliding seat is clamped between one end of the floating reaming mandrel and the bottom wall of the mandrel assembly groove, the abutting part penetrates through the middle part of the universal sliding seat and then abuts against the floating steel ball, the universal sliding seat is correspondingly provided with a plurality of sliding seat steel balls, one end of each sliding seat steel ball abuts against the floating reaming mandrel, and the other end of each sliding seat steel ball abuts against the bottom wall of the mandrel assembly groove.
Optionally, an adjusting gasket ring is further clamped between the bottom wall of the mandrel assembly groove and the universal sliding seat, and the other end of each sliding seat steel ball is abutted to the bottom wall of the mandrel assembly groove through the adjusting gasket ring.
Optionally, the annular bulge of one end side wall of the floating reaming mandrel forms an annular bulge, one end of the floating reaming mandrel is sleeved with a sliding steel ball assembly frame body, the sliding steel ball assembly frame body is correspondingly provided with a plurality of sliding steel balls, one end of each sliding steel ball is abutted to the annular bulge, and the other end of each sliding steel ball is abutted to the inner edge of the opening of the mandrel assembly groove.
Optionally, a sealing ring is further clamped between the annular protruding portion and the side wall of the mandrel assembly groove.
Optionally, a plurality of axial positioning components are further assembled between one end of the floating reaming mandrel and the bottom wall of the mandrel assembling groove, each axial positioning component comprises a second adjusting screw, a positioning shaft and a positioning shaft sleeve, each positioning shaft is assembled on the universal sliding seat through the corresponding positioning shaft sleeve, one end of each positioning shaft extends into the first positioning groove of the floating reaming mandrel, and the other end of each positioning shaft penetrates through the corresponding adjusting gasket ring and then extends into the second positioning groove of the corresponding mandrel assembling groove, and the second adjusting screw is assembled on the bottom wall of the corresponding mandrel assembling groove.
Optionally, the outer side wall of the reamer assembly groove is further sleeved with a dustproof sliding sheet and an O-shaped ring in sequence, one side of the dustproof sliding sheet is abutted to the outer edge of the opening of the mandrel assembly groove, and the other side of the dustproof sliding sheet is abutted to the O-shaped ring.
Optionally, the outer side wall of the reamer assembly groove is further provided with an ER nut so as to be matched with the reamer assembly groove to realize assembly of the reamer.
The utility model provides a reaming cutter handle which comprises a cutter handle main body, a main body cavity and a floating reaming core shaft, wherein one end of the cutter handle main body is provided with the main body cavity so as to form a core shaft assembly groove in a surrounding mode; a floating steel ball which axially floats is arranged in the middle of the bottom wall of the mandrel assembly groove; one end of the floating reaming mandrel is movably assembled in the mandrel assembly groove through the matching of a plurality of sliding seat steel balls sliding radially and a plurality of sliding steel balls sliding radially, and one end of the floating reaming mandrel is abutted against the floating steel balls; the other end of the floating reaming core shaft is provided with a reamer assembly groove. When the reamer is assembled on the numerical control machine through the reaming handle, the reamer is assembled on the reamer assembling groove of the floating reaming mandrel, so that when the reamer is driven by the numerical control machine, the reamer easily floats in a vertical plane along with continuous axial deflection and radial translation of the floating reaming mandrel, namely 360 degrees in the vertical plane, the deviation between the reamer center and the machined hole center is effectively compensated, the radial runout generated by the rotation of the machine tool spindle is eliminated, the reamer center is always consistent with the machined hole center in the whole reaming process, and the reaming task is flexibly, stably and uniformly completed in the whole reaming process, so that the reaming precision is improved, the service life of the reamer is prolonged, the production time is also prolonged, the production efficiency is also improved, and the like. In addition, when the reamer is used for processing a relatively deep hole, continuous reaming can be performed under the condition that the reamer is not worn, the roundness, cylindricity and roughness of all processed holes reach the high-precision grinding level, and the consistency can be kept very high, namely the ultra-precision processing level is achieved, so that the grinding process is avoided, the production efficiency is improved, and the investment of fixed assets is reduced. Therefore, the reaming cutter handle can effectively solve the problem that the quality and the precision of a machined part cannot be guaranteed when the traditional reamer clamping tool is used for clamping a reamer through rigid connection.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a reaming tool shank according to an embodiment of the present utility model.
Fig. 2 is a schematic view of a split construction of the reaming tool shank of fig. 1.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 and 2, an embodiment of the present utility model provides a reaming tool shank 100, where the reaming tool shank 100 includes a tool shank body 110, a body cavity 120, and a floating reaming mandrel 130, and one end of the tool shank body 110 is equipped with the body cavity 120 to enclose and form a mandrel assembly groove 10. An axially floating steel ball 141 is arranged in the middle of the bottom wall of the mandrel assembly groove 10. One end of the floating reaming core shaft 130 is movably assembled in the core shaft assembly groove 10 through the matching of a plurality of sliding seat steel balls 142 sliding radially and a plurality of sliding steel balls 143 sliding radially, and one end of the floating reaming core shaft 130 is abutted against the floating steel balls 141. The other end of the floating reaming core shaft 130 is provided with a reamer mounting slot 131.
In this embodiment, as shown in fig. 1 and 2, the holder body 110 and the body cavity 120 are fastened by a plurality of screws 11. The handle body 110 is provided with a long hole 111, the long hole 111 penetrates through the handle body 110 along the axial direction of the handle body 110, the other end of the handle body 110 is provided with a first adjusting screw 12, one end of the sealing long hole 111 forms a floating steel ball assembling groove (not labeled in the figure) which is opened on the bottom wall of the mandrel assembling groove 10, the floating steel ball 141 is elastically assembled in the floating steel ball assembling groove through an axially extending adjusting spring 13, namely, one end of the adjusting spring 13 is abutted against the first adjusting screw 12, and the other end of the adjusting spring 13 is abutted against the floating steel ball 141, so that axial floating of the floating steel ball 141 is realized. The adjusting spring 14 is extruded by locking the first adjusting screw 13 deeply, so that one end of the adjusting spring 14 extrudes the floating steel ball 141, and the floating steel ball 141 is tightly abutted against the floating reaming mandrel 130, so that the floating steel ball is kept coaxial with the tool handle main body 110, and the center point of a product is ensured to be consistent. Specifically, as shown in fig. 1 and 2, the middle part of one end of the floating reaming core shaft 130 protrudes to form an abutting part 132, and the abutting part 132 abuts against the floating steel ball 141 through an arc surface in a matching manner, so as to ensure that the abutting part 132 always keeps an abutting state with the floating steel ball 141 when the floating reaming core shaft 130 slides radially, and meanwhile, the center of the floating steel ball 141 always keeps in the steel ball assembling groove. In the actual reaming work, the floating reaming mandrel 130 needs to deviate from the center due to inconsistent clamping of the workpiece product holes, the floating reaming mandrel 130 can squeeze the floating steel ball 141 in the deviation process, the floating steel ball 141 can be partially elastically contracted into the floating steel ball assembling groove, and the abutting part 132 is in flexible deviation contact with the floating steel ball 141. After the reaming is finished, the floating steel ball 141 is extruded by the adjusting spring 14 and naturally falls into the cambered surface center point of the abutting part 132, so that the product returns to the coaxial state.
As shown in fig. 1 and 2, a universal sliding seat 151 is clamped between one end of the floating reaming core shaft 130 and the bottom wall of the core shaft assembly groove 10, the abutting part 132 penetrates through the middle part of the universal sliding seat 151 and then abuts against the floating steel ball 141, a plurality of sliding seat steel balls 142 are correspondingly assembled on the universal sliding seat 151, one end of each sliding seat steel ball 142 abuts against the floating reaming core shaft 130, the other end of each sliding seat steel ball 142 abuts against the bottom wall of the core shaft assembly groove 10, and the radial sliding of the sliding seat steel balls 142 is realized, and meanwhile, the floating reaming core shaft 130 radially slides relative to the bottom wall of the core shaft assembly groove 10. Specifically, as shown in fig. 1 and 2, in order to prevent the bottom wall of the mandrel assembly groove 10 from being scratched when the plurality of slide steel balls 142 slide radially, an adjusting gasket ring 152 is further interposed between the bottom wall of the mandrel assembly groove 10 and the universal sliding seat 151, and the other end of each slide steel ball 142 abuts against the bottom wall of the mandrel assembly groove 10 through the adjusting gasket 152 ring.
As shown in fig. 1 and 2, an annular protrusion 133 is formed by annular protrusion on one end side wall of the floating reaming core shaft 130, a sliding steel ball assembly frame 153 is sleeved on one end of the floating reaming core shaft 130, a plurality of sliding steel balls 143 are correspondingly assembled on the sliding steel ball assembly frame 153, one end of each sliding steel ball 143 is abutted against the annular protrusion 133, and the other end of each sliding steel ball 143 is abutted against the inner edge of the opening of the core shaft assembly groove 10, so that the floating reaming core shaft 130 can slide radially relative to the bottom wall of the core shaft assembly groove 10 while radial sliding of the sliding steel balls 143 is realized. Specifically, as shown in fig. 1 and 2, the annular protruding portion 133 and the side wall of the mandrel assembly groove 10 are further provided with a sealing ring 154, and the sealing ring 154 can play a certain auxiliary role to avoid collision between the floating reaming mandrel 130 and the mandrel assembly groove 10 in the operation process, so as to avoid loosening of the internal structure caused by collision and vibration, and influence on the precise use of the product. A plurality of axial positioning assemblies 160 are further assembled between one end of the floating reaming mandrel 130 and the bottom wall of the mandrel assembly groove 10, each axial positioning assembly 160 comprises a second adjusting screw 161, a positioning shaft 162 and a positioning shaft sleeve 163, each positioning shaft 162 is assembled on the universal sliding seat 151 through the corresponding positioning shaft sleeve 163, one end of each positioning shaft 162 extends into the corresponding first positioning groove 134 on the floating reaming mandrel 130, the other end of each positioning shaft 10 penetrates through the corresponding adjusting gasket ring 152 and then extends into the corresponding second positioning groove 112 on the bottom wall of the mandrel assembly groove 10, the second adjusting screw 161 is assembled in the corresponding second positioning groove 112, and errors caused by production of all accessories in the mandrel assembly groove 10 can be eliminated by the second adjusting screw 161, so that all accessories in the mandrel assembly groove 10 can be precisely attached after assembly.
As shown in fig. 1 and 2, the outer side wall of the reamer assembly groove 131 is further sleeved with a dustproof slide sheet 171 and an O-ring 172 in sequence, one side of the dustproof slide sheet 171 is abutted against the outer edge of the opening of the mandrel assembly groove 10, the other side of the dustproof slide sheet 171 is abutted against the O-ring 172 so as to be fixed by limiting the O-ring 172, and the dustproof slide sheet 171 is assembled at the joint of the outer side wall of the reamer assembly groove 131 and the outer edge of the opening of the mandrel assembly groove 10 so as to play a certain role in dustproof protection for the mandrel assembly groove 10. In addition, the outer sidewall of the reamer-fitting groove 131 is further fitted with an ER nut 173 to fit the reamer-fitting groove 131 for the fitting of the reamer.
The utility model provides a reaming cutter handle which comprises a cutter handle main body, a main body cavity and a floating reaming core shaft, wherein one end of the cutter handle main body is provided with the main body cavity so as to form a core shaft assembly groove in a surrounding mode; a floating steel ball which axially floats is arranged in the middle of the bottom wall of the mandrel assembly groove; one end of the floating reaming mandrel is movably assembled in the mandrel assembly groove through the matching of a plurality of sliding seat steel balls sliding radially and a plurality of sliding steel balls sliding radially, and one end of the floating reaming mandrel is abutted against the floating steel balls; the other end of the floating reaming core shaft is provided with a reamer assembly groove. When the reamer is assembled on the numerical control machine through the reaming handle, the reamer is assembled on the reamer assembling groove of the floating reaming mandrel, so that when the reamer is driven by the numerical control machine, the reamer easily floats in a vertical plane along with continuous axial deflection and radial translation of the floating reaming mandrel, namely 360 degrees in the vertical plane, the deviation between the reamer center and the machined hole center is effectively compensated, the radial runout generated by the rotation of the machine tool spindle is eliminated, the reamer center is always consistent with the machined hole center in the whole reaming process, and the reaming task is flexibly, stably and uniformly completed in the whole reaming process, so that the reaming precision is improved, the service life of the reamer is prolonged, the production time is also prolonged, the production efficiency is also improved, and the like. In addition, when the reamer is used for processing a relatively deep hole, continuous reaming can be performed under the condition that the reamer is not worn, the roundness, cylindricity and roughness of all processed holes reach the high-precision grinding level, and the consistency can be kept very high, namely the ultra-precision processing level is achieved, so that the grinding process is avoided, the production efficiency is improved, and the investment of fixed assets is reduced. Therefore, the reaming cutter handle can effectively solve the problem that the quality and the precision of a machined part cannot be guaranteed when the traditional reamer clamping tool is used for clamping a reamer through rigid connection.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (10)
1. The reaming cutter handle is characterized by comprising a cutter handle main body, a main body cavity sleeve and a floating reaming core shaft, wherein one end of the cutter handle main body is provided with the main body cavity sleeve so as to form a core shaft assembly groove in a surrounding mode; a floating steel ball which axially floats is arranged in the middle of the bottom wall of the mandrel assembly groove; one end of the floating reaming mandrel is movably assembled in the mandrel assembly groove through the matching of a plurality of sliding seat steel balls sliding radially and a plurality of sliding steel balls sliding radially, and one end of the floating reaming mandrel is abutted against the floating steel balls; the other end of the floating reaming core shaft is provided with a reamer assembly groove.
2. The reaming tool shank according to claim 1, wherein the tool shank body is provided with a long hole penetrating through the tool shank body in an axial direction of the tool shank body, a first adjusting screw is mounted at the other end of the tool shank body to seal one end of the long hole to form a floating steel ball assembly groove opening on a bottom wall of the spindle assembly groove, and the floating steel ball is elastically assembled in the floating steel ball assembly groove through an axially extending adjusting spring.
3. The reaming tool shank according to claim 1, wherein a middle portion of one end of the floating reaming mandrel is protruded to form an abutting portion, and the abutting portion abuts against the floating steel ball through an arc surface in a matching manner.
4. A reaming cutter handle according to claim 3, wherein a universal sliding seat is clamped between one end of the floating reaming core shaft and the bottom wall of the core shaft assembly groove, the abutting part is abutted against the floating steel balls after penetrating through the middle part of the universal sliding seat, the plurality of sliding seat steel balls are correspondingly assembled on the universal sliding seat, one end of each sliding seat steel ball is abutted against the floating reaming core shaft, and the other end of each sliding seat steel ball is abutted against the bottom wall of the core shaft assembly groove.
5. The reaming tool shank according to claim 4, further comprising an adjusting washer ring between the bottom wall of the spindle assembly groove and the universal sliding seat, wherein the other end of each slide steel ball abuts against the bottom wall of the spindle assembly groove through the adjusting washer ring.
6. The reaming cutter handle according to claim 1, wherein an annular bulge is formed on the side wall of one end of the floating reaming core shaft, a sliding steel ball assembling frame body is sleeved on one end of the floating reaming core shaft, the sliding steel balls are correspondingly assembled on the sliding steel ball assembling frame body, one end of each sliding steel ball is abutted against the annular bulge, and the other end of each sliding steel ball is abutted against the inner edge of the opening of the core shaft assembling groove.
7. The reaming handle of claim 6, wherein the annular boss is further clamped with a seal ring with a sidewall of the spindle assembly groove.
8. The reaming cutter handle of claim 5, wherein a plurality of axial positioning components are further assembled between one end of the floating reaming core shaft and the bottom wall of the core shaft assembling groove, each axial positioning component comprises a second adjusting screw, a positioning shaft and a positioning shaft sleeve, the positioning shaft is assembled on the universal sliding seat through the positioning shaft sleeve, one end of the positioning shaft extends into the first positioning groove on the floating reaming core shaft, and the other end of the positioning shaft penetrates through the adjusting gasket ring and then extends into the second positioning groove on the bottom wall of the core shaft assembling groove, wherein the second adjusting screw is assembled on the second positioning groove.
9. The reaming tool shank according to claim 1, characterized in that the outer side wall of the reamer assembly groove is further sleeved with a dustproof slide sheet and an O-ring in sequence, one side of the dustproof slide sheet is abutted against the outer edge of the opening of the mandrel assembly groove, and the other side of the dustproof slide sheet is abutted against the O-ring.
10. The reaming tool shank according to any one of claims 1-9, characterized in that the outer side wall of the reamer-fitting recess is also fitted with an ER nut to cooperate with the reamer-fitting recess for the fitting of a reamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220090961.6U CN219152248U (en) | 2022-01-13 | 2022-01-13 | Reaming handle of a knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220090961.6U CN219152248U (en) | 2022-01-13 | 2022-01-13 | Reaming handle of a knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219152248U true CN219152248U (en) | 2023-06-09 |
Family
ID=86641539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220090961.6U Active CN219152248U (en) | 2022-01-13 | 2022-01-13 | Reaming handle of a knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219152248U (en) |
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2022
- 2022-01-13 CN CN202220090961.6U patent/CN219152248U/en active Active
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