CN113231864A - Universal broach device for main shaft, electric main shaft and machine tool - Google Patents
Universal broach device for main shaft, electric main shaft and machine tool Download PDFInfo
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- CN113231864A CN113231864A CN202110420185.1A CN202110420185A CN113231864A CN 113231864 A CN113231864 A CN 113231864A CN 202110420185 A CN202110420185 A CN 202110420185A CN 113231864 A CN113231864 A CN 113231864A
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- 238000003466 welding Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 abstract description 7
- 210000000078 claw Anatomy 0.000 description 10
- 238000007667 floating Methods 0.000 description 10
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- 238000000034 method Methods 0.000 description 2
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- 229910000679 solder Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a universal broach device for a main shaft, an electric main shaft and a machine tool, which comprise: the shaft core is provided with a shaft core inner hole; the pull rod is arranged in the inner hole of the shaft core, the lower end of the pull rod is connected with the knife handle connecting assembly, and the knife handle connecting assembly comprises a BT knife handle connecting assembly or an HSK knife handle connecting assembly; handle of a knife interface part connects in the axle core lower extreme, and handle of a knife interface part includes BT handle of a knife interface part or HSK handle of a knife interface part, and BT handle of a knife interface part is used for prescribing a limit to the first axial hole with BT handle of a knife coupling assembling cooperation in order to fasten the BT handle of a knife at the axle core lower extreme, and HSK handle of a knife interface part is used for prescribing a limit to the second axial hole with HSK handle of a knife coupling assembling cooperation in order to fasten the HSK handle of a knife at the axle core lower extreme. The invention provides a broach device universal for BT/HSK tool handles, one main shaft can achieve the interchange of BT/HSK two types of main shafts only by replacing the lower end structure of the main shaft under the condition of not disassembling the machine, and the broach device is simple and reliable in structure, stable in processing, convenient to install, and high in practical value and universality.
Description
Technical Field
The invention is used in the field of machine tools, particularly relates to clamping of a cutter on a machine tool, and particularly relates to a universal broach device for a main shaft, an electric main shaft and a machine tool.
Background
At present, modularization and generalization of the electric spindle tend to be great, and the situation that one electric spindle can only be adapted to a type of machine tool is less and less. Some problems can be inevitably encountered in the process of modularization and universalization of the main shaft, certain long-standing industrial difficulties and pain points need to be overcome, and the requirement on the diversity of the processing capacity of the main shaft is higher and higher.
At present, the mainstream taper holes of the electric main shafts are generally divided into two main types, namely taper angles of 7:24 and taper angles of 1:10, wherein when the main shaft of a BT interface of 7:24 runs at a high speed, the front end interface of the main shaft can generate large deformation under the action of centrifugal force, and the main shaft is not suitable for high-speed cutting, but the matching surface is large, so that the transmitted torque is large, and the main shaft is suitable for high-torque cutting, and the HSK taper holes of 1:10 adopt end surface and conical surface double-surface positioning, so that the positioning precision is good, the rigidity is good, and the main shaft is suitable for. The two interfaces are only different in taper, but are actually divided into two different types of spindles, and when the machining environment and the machining requirements change, the different types of spindles need to be replaced, so that much inconvenience is brought to actual machining.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a universal broach device for a main shaft, an electric main shaft and a machine tool.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in a first aspect, a universal broach device for a spindle includes:
the shaft core is provided with a shaft core inner hole;
the pull rod is arranged in the inner hole of the shaft core, the lower end of the pull rod is connected with a knife handle connecting assembly, and the knife handle connecting assembly comprises a BT knife handle connecting assembly or an HSK knife handle connecting assembly;
handle of a knife interface part, connect in axle core lower extreme, handle of a knife interface part includes BT handle of a knife interface part or HSK handle of a knife interface part, BT handle of a knife interface part is used for axle core lower extreme inject with BT handle of a knife coupling assembling cooperation is with the first axial hole of fastening BT handle of a knife, HSK handle of a knife interface part is used for axle core lower extreme inject with HSK handle of a knife coupling assembling cooperation is with the second axial hole of fastening HSK handle of a knife.
With reference to the first aspect, in certain implementation manners of the first aspect, a shank interface is disposed at a lower end of the inner hole of the shaft core, and the shank interface component is embedded in the inner portion of the shank interface along the axial direction.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the handle interface component includes a threaded surface and a cylindrical mating surface along an axial direction, the cylindrical mating surface is matched and attached to the handle interface, the threaded surface is in threaded connection with the handle interface, and an upper end surface of the handle interface component is extruded with the mating surface of the shaft core.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the thread surface of the shank adapter member is provided with a thread opposite to the machining rotation direction of the shaft core.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the handle interface component and the handle interface are combined in a cylindrical surface matching manner, an axial screw hole is formed in a combining surface of the shaft core and the handle interface component, and a locking screw is arranged in the axial screw hole.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the handle interface component and the handle interface are combined in a cylindrical surface matching manner, an axial pin hole is formed in a joint surface of the shaft core and the handle interface component, a locking pin is arranged in the axial pin hole, and the locking pin is in interference fit with the axial pin hole.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the handle interface component and the handle interface are combined in a cylindrical surface matching manner, a plurality of welding point grooves are formed in a combining surface of the shaft core and the handle interface component, and the shaft core and the handle interface component are soldered together through the welding point grooves.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, an elastic resetting member is disposed in the inner hole of the shaft core, an upper end of the elastic resetting member abuts against the pull rod, and a lower end of the elastic resetting member abuts against the shaft core.
In a second aspect, an electric spindle comprises the spindle universal broach device according to any one of the implementations of the first aspect.
In a third aspect, a machine tool comprises the electric spindle of any one of the implementations of the second aspect.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the invention provides a broach device universal for BT/HSK tool handles, which can achieve the interchange of BT/HSK two types of main shafts only by replacing the lower end structure of the main shaft under the condition that one main shaft is not disassembled in actual use.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of one embodiment of a universal broach device for a spindle according to the present invention;
FIG. 2 is an exploded view of the BT shank coupling assembly mating BT shank interface feature configuration of one embodiment shown in FIG. 1;
FIG. 3 is an exploded view of the HSK handle coupling assembly of one embodiment shown in FIG. 1 mated with an HSK handle interface member structure;
FIG. 4 is a cross-sectional view of the structure of the BT handle connection assembly of one embodiment shown in FIG. 1 mated with a BT handle interface member;
FIG. 5 is a cross-sectional view of the structure of one embodiment HSK shank coupling assembly shown in FIG. 1 mated to an HSK shank interface member;
FIG. 6 is a schematic structural diagram of an interface component of the BT shank of one embodiment shown in FIG. 1;
FIG. 7 is a schematic structural view of an HSK tool shank interface member of one embodiment shown in FIG. 1;
FIG. 8 is a schematic view of a structure in which a shank interface member and a shank core of the universal broach device for a spindle according to the present invention are connected by a locking screw;
FIG. 9 is a schematic view of a structure in which a shank interface member and a shank core of the universal broach device for a spindle according to the present invention are connected by a locking pin;
FIG. 10 is a schematic view of a structure of a tool holder interface part and a shaft core of the universal broach device for a spindle according to the present invention, which are connected by soldering;
fig. 11 is a schematic structural diagram of an electric spindle according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended to indicate or imply that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.
In the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the number; the terms "above", "below", "inside" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
Fig. 1, 4 and 5 show a reference direction coordinate system of the embodiment of the present invention, and the embodiment of the present invention will be described below with reference to the directions shown in fig. 1, 4 and 5.
Referring to fig. 1 to 5, an embodiment of the present invention provides a universal spindle broach device, which may be used for an electric spindle or an externally driven spindle, and includes a spindle core 1, a pull rod 2, and a tool shank interface component. Wherein, axle core 1 is equipped with axle core hole 3, and pull rod 2 sets up in axle core hole 3, and the upper end of pull rod 2 is equipped with pull rod nut 4, and 1 upper end of axle core is equipped with axle head gland 5, and handle of a knife coupling assembling is connected to the lower extreme of pull rod 2, and handle of a knife coupling assembling includes BT handle of a knife coupling assembling or HSK handle of a knife coupling assembling, in other words, handle of a knife coupling assembling can select BT handle of a knife coupling assembling or HSK handle of a knife coupling assembling according to the handle type of adaptation.
Wherein, the BT shank coupling assembling comprises a draw claw seat 6, the lower end of the draw claw seat 6 is provided with a draw nail matching hole 7, the hole wall of the draw nail matching hole 7 is provided with a floating limiting part 8, the floating limiting part 8 is used for limiting the draw nail in the draw nail matching hole 7, the floating limiting part 8 comprises a limiting pin or a limiting ball and the like, the hole wall of the draw nail matching hole 7 is provided with a plurality of floating guide holes which are distributed along the circumferential direction of the draw nail matching hole 7, the floating limiting part 8 is arranged in the floating guide holes, the pull rod 2 and the draw claw seat 6 are lifted up under the action of an elastic resetting part, the shaft core inner hole 3 is provided with a large-aperture section and a small-aperture section, the large-aperture section and the small-aperture section are in inclined surface transition, the floating limiting part 8 moves from the large-aperture section to the small-aperture section, the floating limiting part 8 is abutted with the, and moves along the floating guide hole toward the blind rivet fitting hole 7 to confine the blind rivet in the blind rivet fitting hole 7. When the tool shank is replaced, the pull rod 2 moves downwards along the inner hole 3 of the shaft core under the driving of the air cylinder or the oil cylinder, the floating limiting component 8 returns to the large-hole-diameter section from the small-hole-diameter section to move towards the large-hole-diameter section, and the blind rivet can be pulled out from the blind rivet matching hole 7.
The HSK knife handle connecting assembly comprises a connecting block 9, a pull claw 10, a sliding core 11 and an elastic assembly 12, wherein the connecting block 9 is connected to the lower end of the pull rod 2, the sliding core 11 is connected to the lower end of the connecting block 9, the pull claw 10 is sleeved on the outer side of the sliding core 11, and the elastic assembly 12 is located above the pull claw 10. The power of tool changing is transmitted to the pulling claw 10 through the pull rod 2, and the tool is switched by the expansion and contraction of the pulling claw 10.
Handle of a knife interface member connects in axle core 1 lower extreme, handle of a knife interface member includes BT handle interface member 13 or HSK handle of a knife interface member 14, handle of a knife interface member chooses BT handle of a knife interface member 13 or HSK handle of a knife interface member 14 according to the type of handle of a knife coupling assembling, BT handle interface member 13 is used for prescribing a limit to cooperate with BT handle of a knife coupling assembling with the first axial hole 15 of fastening the BT handle of a knife at axle core 1 lower extreme, HSK handle of a knife interface member 14 is used for prescribing a limit to cooperate with HSK handle of a knife coupling assembling with the second axial hole 21 of fastening the HSK handle of a knife at axle core 1 lower extreme, it says that BT handle of a knife interface member 13 and HSK handle of a knife interface member 14's inside has standardized design for taper hole cooperation inclined plane and relevant part mating surface.
If the current main shaft broach mechanism is the BT broach mechanism, the front end BT handle 22, the BT handle interface part 13 and the BT handle connecting assembly can be detached through a preset tool position, then the connecting block 9 is connected to the pull rod 2 through threads, the HSK handle interface part 14 and the elastic assembly 12 are installed on the shaft core 1, the pull claw 10 is installed on the elastic assembly 12, and the sliding core 11 is connected to the connecting block 9 through threads, so that the finished main shaft HSK broach mechanism is formed. If the current structure is the HSK broaching mechanism, the connecting block 9, the elastic component 12, the broaching claw 10, the HSK tool shank interface part 14, the sliding core 11 and the HSK tool shank 23 can be detached, the BT tool shank connecting component is connected to the pull rod 2 through threads, and the BT tool shank interface part 13 and the BT tool shank are installed on the shaft core 1, so that the finished spindle BT broaching mechanism is formed.
The invention provides a broach device universal for BT/HSK tool handles, which can achieve the interchange of BT/HSK two types of main shafts only by replacing the lower end structure of the main shaft under the condition that one main shaft is not disassembled in actual use. The BT and HSK series main shafts can be universal by replacing the front end structure of the main shaft under the condition of not disassembling the machine, and the quick maintenance of the front end structure of the main shaft can be realized by replacing the main shaft when the taper hole of the main shaft is damaged.
The pull rod 2 can move upwards along the inner hole 3 of the shaft core through the driving of an air cylinder, an oil cylinder or an elastic component so as to tighten the tool shank. For example, in the embodiment shown in fig. 1, an elastic reset component 16 is arranged in the shaft core inner hole 3, the pull rod 2 is provided with a first axial limiting surface, the upper end of the elastic reset component 16 is directly or indirectly abutted against the pull rod 2, the shaft core inner hole 3 is provided with a second axial limiting surface, and the lower end of the elastic reset component 16 is directly or indirectly abutted against the shaft core 1.
In some embodiments, referring to fig. 1 to 5, a handle interface 17 is provided at a lower end of the shaft core inner hole 3, the radius of the handle interface 17 is larger than that of the original shaft core inner hole 3, a handle interface member is embedded in the handle interface 17 along the axial direction, and a first axial hole 15 or a second axial hole 21 of the handle interface member is in butt communication with the shaft core inner hole 3. The handle interface component forms a smooth end surface at the lower end of the shaft core 1 to ensure that the handles can be smoothly connected.
In some embodiments, referring to fig. 1, 4, 5, 6, and 7, the tool holder interface member includes a threaded surface d and a cylindrical mating surface c along the axial direction, the upper end surface b of the tool holder interface member is a smooth plane, the cylindrical mating surface c is in matching fit with the tool holder interface 17, and is in micro-precision small-clearance fit, and has the functions of correction and radial position limitation during locking. The thread surface d is in threaded connection with the handle interface 17, and the upper end surface b of the handle interface part extrudes the matching surface with the shaft core 1, so that the reliability of the taper hole is further ensured. During installation, the cylindrical matching surface c and the upper end face can be matched and corrected with the tool holder interface 17 to ensure the precision of the taper hole, and the taper hole precision is further ensured through the locking and fastening of the threads and the shaft core 1, so that the design and the processing are stable, safe and reliable.
Further, the thread surface d of the handle interface part is provided with a thread opposite to the processing and rotating direction of the shaft core 1. For example, when the spindle is observed from the front end of the spindle, the running direction of the spindle is anticlockwise, and the spindle can continuously receive a clockwise acting force after being pulled up to process a part, so that a clockwise positive thread is designed on the outer circle of the handle interface 17, when the spindle is processed, the handle interface part can achieve anti-loosening fastening due to the action of clockwise torque, the design is safe and reliable, and the tool position a is designed inside, so that the spindle can be conveniently detached and installed.
The portable replacement structure is designed at the front end of the main shaft, the BT shank interface part 13 and the HSK shank interface part 14 are connected with the shaft core 1 assembly through threads, the threads are convenient to connect and easy to detach, the structure of the main shaft front end shank interface 17 and related parts can be replaced quickly when machining requirements change, the intercommunication of the BT/HSK main shaft structure is achieved, and time and cost are saved.
Different from the above embodiments, in some embodiments, referring to fig. 8, the handle interface part and the handle interface 17 are combined in a cylindrical surface matching manner, an axial screw hole is formed in a combining surface of the shaft core 1 and the handle interface part, and a locking screw 18 is arranged in the axial screw hole. After the BT shank interface part 13 or the HSK shank interface part 14 is matched with the shaft core 1, the locking screw 18 can be used for locking and positioning, the shank interface part is prevented from rotating, when the shank interface part needs to be replaced, the locking screw 18 can be screwed out, the operation is simple, and the structure is reliable.
Different from the above embodiments, in some embodiments, referring to fig. 9, the handle interface part and the handle interface 17 are combined in a cylindrical surface matching manner, an axial pin hole is formed in a combining surface of the shaft core 1 and the handle interface part, a locking pin 19 is arranged in the axial pin hole, and the locking pin 19 is in interference fit with the axial pin hole. After the BT shank interface part 13 or the HSK shank interface part 14 is matched with the shaft core 1, the locking pin 19 can be pressed into the pin hole in an interference mode, the shank interface part is prevented from rotating, the locking pin 19 can be removed by using a drill when the shank interface part needs to be disassembled, the locking pin 19 is installed on the shank interface part in an interference mode when the shank interface part is replaced, and the structure is simple and reliable.
Unlike the previous embodiments, in some embodiments, referring to fig. 10, the shank interface member and the shank interface 17 are combined in a cylindrical matching manner, a plurality of welding point grooves 20 are formed in the combining surface of the shaft core 1 and the shank interface member, and the shaft core 1 and the shank interface member are soldered together through the welding point grooves 20. After the BT shank interface part 13 or the HSK shank interface part 14 is matched with the shaft core 1, the shank interface 17 and the shaft core 1 can be soldered together by using a solder joint groove 20 preset in advance, the end face is ground flat, a spindle structure with stable structure, safety and reliability can be obtained, and the solder can be removed when the spindle structure needs to be disassembled, so that the spindle structure can be disassembled. The structure is safe, simple and reliable.
Referring to fig. 11, an embodiment of the present invention further provides an electric spindle, including the spindle universal broach device in any one of the above embodiments.
Because the BT/HSK structure at the front end of the main shaft is designed in a modularized mode, when the main shaft is impacted by a taper hole, the front end taper hole is bad due to corrosion or abrasion, and deflection cannot be guaranteed, the BT/HSK structure can be maintained quickly by replacing the knife handle interface 17 at the front end of the main shaft and related parts without disassembling the machine, maintenance and processing waiting cost is saved, the BT/HSK knife handle interface parts 14 and related parts of different types can be replaced by the same type of main shaft according to processing requirements, the processing capacity of different main shafts is achieved, different machine tool models can be adapted, the universality of the main shaft is improved, cost is saved, and resource waste is avoided.
Embodiments of the present invention also provide a machine tool, including an electric spindle in any of the above embodiments.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Rather, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the invention defined by the claims.
Claims (10)
1. A universal broach apparatus for a spindle, comprising:
the shaft core is provided with a shaft core inner hole;
the pull rod is arranged in the inner hole of the shaft core, the lower end of the pull rod is connected with a knife handle connecting assembly, and the knife handle connecting assembly comprises a BT knife handle connecting assembly or an HSK knife handle connecting assembly;
handle of a knife interface part, connect in the axle core lower extreme, handle of a knife interface part includes BT handle of a knife interface part or HSK handle of a knife interface part, BT handle of a knife interface part is used for axle core lower extreme inject with BT handle of a knife coupling assembling cooperation is with the first axial hole of fastening BT handle of a knife, HSK handle of a knife interface part is used for axle core lower extreme inject with the second axial hole of HSK handle of a knife coupling assembling cooperation with fastening HSK handle of a knife.
2. The universal broach device for main shafts according to claim 1, wherein a shank interface is provided at the lower end of the inner bore of the spindle core, and the shank interface member is embedded in the shank interface along the axial direction.
3. The universal broach device for main shafts according to claim 2, wherein the shank interface member includes a threaded surface and a cylindrical mating surface in the axial direction, the cylindrical mating surface is in fit with the shank interface, the threaded surface is in threaded connection with the shank interface, and the upper end surface of the shank interface member is pressed against the mating surface of the shaft core.
4. The universal broach apparatus for a spindle according to claim 3, wherein the threaded surface of the shank interface member is provided with threads that are opposite to the machining rotational direction of the spindle core.
5. The universal broach device for main shafts according to claim 2, wherein the handle interface member and the handle interface are matched and combined by adopting cylindrical surfaces, an axial screw hole is arranged at the combining surface of the shaft core and the handle interface member, and a locking screw is arranged in the axial screw hole.
6. The universal broach device for main shafts according to claim 2, wherein the handle interface member and the handle interface are matched and combined by adopting cylindrical surfaces, an axial pin hole is formed in the combining surface of the shaft core and the handle interface member, a locking pin is arranged in the axial pin hole, and the locking pin is in interference fit with the axial pin hole.
7. The universal broach device for main shafts according to claim 2, wherein the handle interface member and the handle interface are matched and combined by adopting cylindrical surfaces, a plurality of welding spot grooves are arranged at the combining surface of the shaft core and the handle interface member, and the shaft core and the handle interface member are soldered together by the welding spot grooves.
8. The universal broach device for main shafts according to claim 1, wherein an elastic reset component is arranged in an inner hole of the shaft core, the upper end of the elastic reset component is abutted with the pull rod, and the lower end of the elastic reset component is abutted with the shaft core.
9. An electric spindle comprising the universal broach apparatus for a spindle according to any one of claims 1 to 8.
10. A machine tool comprising an electric spindle according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420185.1A CN113231864A (en) | 2021-04-19 | 2021-04-19 | Universal broach device for main shaft, electric main shaft and machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420185.1A CN113231864A (en) | 2021-04-19 | 2021-04-19 | Universal broach device for main shaft, electric main shaft and machine tool |
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| CN113231864A true CN113231864A (en) | 2021-08-10 |
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| CN202110420185.1A Pending CN113231864A (en) | 2021-04-19 | 2021-04-19 | Universal broach device for main shaft, electric main shaft and machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909967A (en) * | 2021-10-08 | 2022-01-11 | 江苏星晨高速电机有限公司 | Collet type clamping device |
| CN117226667A (en) * | 2023-11-10 | 2023-12-15 | 湖南中大创远数控装备有限公司 | Broach subassembly and lathe |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000284A (en) * | 2006-12-22 | 2007-07-18 | 江苏大学 | Device for testing integral performance of universal high speed processing tool system |
| CN201799867U (en) * | 2010-02-10 | 2011-04-20 | 中捷机床有限公司 | Switching device for two models of main shaft taper holes of machine tool |
| CN102764900A (en) * | 2011-05-06 | 2012-11-07 | 上海三一精机有限公司 | Conversion mechanism for hilt of machine tool |
| CN103624306A (en) * | 2013-11-08 | 2014-03-12 | 首钢总公司 | Handle of milling machine cutter and method for mounting and dismounting same |
| DE102013108209B3 (en) * | 2013-07-31 | 2014-12-11 | Haimer Gmbh | tool holder |
| CN204019226U (en) * | 2014-08-20 | 2014-12-17 | 中国第一汽车股份有限公司 | HSK handle of a knife joint universal converting device |
| KR20160001091A (en) * | 2014-06-26 | 2016-01-06 | 현대위아 주식회사 | tool pot for pocket type magazine |
| CN206677625U (en) * | 2017-04-17 | 2017-11-28 | 山东金杰机械有限公司 | One kind conversion handle of a knife |
| US20180141132A1 (en) * | 2016-11-20 | 2018-05-24 | Charles Michael Berg | Tool Holding Apparatus |
-
2021
- 2021-04-19 CN CN202110420185.1A patent/CN113231864A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000284A (en) * | 2006-12-22 | 2007-07-18 | 江苏大学 | Device for testing integral performance of universal high speed processing tool system |
| CN201799867U (en) * | 2010-02-10 | 2011-04-20 | 中捷机床有限公司 | Switching device for two models of main shaft taper holes of machine tool |
| CN102764900A (en) * | 2011-05-06 | 2012-11-07 | 上海三一精机有限公司 | Conversion mechanism for hilt of machine tool |
| DE102013108209B3 (en) * | 2013-07-31 | 2014-12-11 | Haimer Gmbh | tool holder |
| CN103624306A (en) * | 2013-11-08 | 2014-03-12 | 首钢总公司 | Handle of milling machine cutter and method for mounting and dismounting same |
| KR20160001091A (en) * | 2014-06-26 | 2016-01-06 | 현대위아 주식회사 | tool pot for pocket type magazine |
| CN204019226U (en) * | 2014-08-20 | 2014-12-17 | 中国第一汽车股份有限公司 | HSK handle of a knife joint universal converting device |
| US20180141132A1 (en) * | 2016-11-20 | 2018-05-24 | Charles Michael Berg | Tool Holding Apparatus |
| CN206677625U (en) * | 2017-04-17 | 2017-11-28 | 山东金杰机械有限公司 | One kind conversion handle of a knife |
Non-Patent Citations (1)
| Title |
|---|
| 邓宏运: "《消失模铸造及实型铸造技术手册 第2版》", 31 January 2021 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909967A (en) * | 2021-10-08 | 2022-01-11 | 江苏星晨高速电机有限公司 | Collet type clamping device |
| CN117226667A (en) * | 2023-11-10 | 2023-12-15 | 湖南中大创远数控装备有限公司 | Broach subassembly and lathe |
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