CN110842222A - Locking mechanism and main shaft structure - Google Patents
Locking mechanism and main shaft structure Download PDFInfo
- Publication number
- CN110842222A CN110842222A CN201911022599.8A CN201911022599A CN110842222A CN 110842222 A CN110842222 A CN 110842222A CN 201911022599 A CN201911022599 A CN 201911022599A CN 110842222 A CN110842222 A CN 110842222A
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- China
- Prior art keywords
- locking
- spindle
- locking mechanism
- main shaft
- locking device
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention discloses a locking mechanism and a main shaft structure, which are used for solving the problem that a main shaft is difficult to fix when technicians carry out maintenance; the locking mechanism and the spindle structure disclosed by the invention are mainly applied to clamping the spindle when the tool spindle or the workpiece spindle is dismounted or maintained, and the locking device is enabled to support the workpiece spindle or the tool spindle under the action of the resetting device by adjusting the adjusting piece, so that the purpose of fixing can be easily realized, the operation is simple and easy, and the operation can be finished by one person; in addition, still be provided with detection device for detect locking device's position, when adjusting locking device to detection device can detect and obtain feedback signal, accomplished the relaxation of main shaft promptly, thus do not influence the normal work of main shaft, technical staff can avoid starting machine operation main shaft when locking mechanism chucking main shaft through detection device to main shaft or locking mechanism's damage has been avoided.
Description
Technical Field
The invention belongs to the technical field of machine tool equipment, and particularly relates to a locking mechanism and a spindle structure with the same.
Background
The numerical control machine tool is generally provided with a rotatable main shaft, and a detachable cutter or a workpiece is mounted on the main shaft structure, wherein when the cutter or the workpiece is detached by common equipment for processing a bevel gear, such as a gear grinding machine, a gear milling machine and the like, the cutter main shaft or the workpiece main shaft can rotate, and the cutter main shaft or the workpiece main shaft can rotate in the process of detaching the cutter or the workpiece by unscrewing the corresponding threaded connection relation, so that the operation difficulty is high. Although the tool spindle or the workpiece spindle can be relatively fixed by forming a fulcrum on the tool spindle or the workpiece spindle through the wrench, the operation difficulty is high, and the operation is difficult to be completed by a single person. In addition, other machine tools having a spindle structure also have the above-described problems.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a locking mechanism and a spindle structure provided with the same.
A locking mechanism according to an embodiment of the first aspect of the invention comprises: a locking device; the resetting device supports the locking device along a set direction; and the adjusting piece acts on the locking device in the direction of overcoming the resetting device and is used for fixing the locking device at any position on a path of the locking device, which can move under the action of the resetting piece.
According to the locking mechanism provided by the embodiment of the invention, at least the following technical effects are achieved:
the locking mechanism provided by the invention can be used for fixing general objects, is mainly used for clamping a cutter main shaft or a workpiece main shaft during disassembly, assembly or maintenance, and can easily realize the fixation of the main shaft by adjusting the adjusting piece to enable the locking device to support the workpiece main shaft or the cutter main shaft under the action of the resetting device, so that the operation is simple and easy and can be finished by one person; in addition, still be provided with detection device for detect locking device's position, when adjusting locking device to detection device can detect and obtain feedback signal, accomplished the loosening of main shaft promptly, thus do not influence the normal work of main shaft, technical staff can give numerical control system through detection device feedback signal to avoid starting machine operation main shaft when locking mechanism chucking main shaft, avoided main shaft or locking mechanism's damage.
In summary, the locking mechanism provided by the present invention can be applied to the spindle fixing of a numerical control machine tool, such as a gear grinding machine, a gear milling machine, etc., and can also be applied to other machine tools to fix the spindle.
According to some embodiments of the invention, the spindle locking device further comprises a detection device for detecting the position of the locking device, so as to prevent a technician from starting the machine to operate the spindle when the locking mechanism clamps the spindle.
According to some embodiments of the invention, the locking device comprises a locking head and a locking rod, the locking rod is arranged below the locking head, the adjusting piece penetrates through the locking head to fix the locking device, and the locking rod penetrates through the resetting device to enable the resetting device to prop against the locking head.
According to some embodiments of the invention, the detection means is provided as a proximity switch for detecting the position of the end of the locking lever.
According to some embodiments of the invention, the spring is sleeved on the locking rod and supports the locking head.
According to some embodiments of the invention, the adjustment member is provided as a screw that passes through the locking head and the locking head moves with rotation of the screw.
The spindle structure according to the embodiment of the second aspect of the present invention includes a spindle, and one end of the spindle is connected to a mounting seat, and the mounting seat is provided with the above-mentioned locking mechanism for locking the spindle.
The spindle structure provided by the embodiment of the invention at least has the following technical effects:
the spindle structure provided by the invention is provided with the locking mechanism, when the spindle structure is applied to a numerical control machine tool such as a gear grinding machine or a gear milling machine, the spindle can be fixed by a single person, so that the maintenance work can be carried out easily, meanwhile, a technician can avoid starting the machine to operate the spindle when the locking mechanism clamps the spindle by looking over the detection device, and the damage of the spindle or the locking mechanism is avoided.
Obviously, the structure can be applied to other machine tools to solve the problem of fixing the main shaft.
According to some embodiments of the invention, the spindle is provided with a concave clamping structure corresponding to the locking mechanism, and the locking device is adjusted to abut against the clamping structure to fix the spindle.
According to some embodiments of the invention, the gripping structure is provided as a sealing disc.
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 invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic view of the locking mechanism mounted on a spindle;
FIG. 2 is a schematic structural view of a locking spindle of the locking mechanism;
FIG. 3-enlarged partial schematic view A of FIG. 1;
reference numerals:
the locking device comprises a main shaft 100, a locking head 101, a sealing disc 102, a locking rod 103, a spring 104, a spacer 105, a proximity switch 106 and a screw 107.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, the present invention provides a locking mechanism including: the locking device is used for propping against an object to be fixed; the resetting device supports the locking device along the set direction; the adjusting piece acts on the locking device along the direction of overcoming the resetting device and is used for fixing the locking device at any position on a path of the locking device, wherein the path of the locking device can move under the action of the resetting piece; specifically, the locking device can move towards the opposite direction of the resetting device by adjusting the adjusting piece, and the resetting device is compressed, so that the locking device is far away from a fixed object, and the fixed object is loosened to normally operate; the adjusting piece is adjusted to enable the locking device to move under the reset action of the reset device, and the clamping and fixing action is played when the locking device supports the fixed object, so that the fixed object is kept in a static state.
In view of the need to determine the degree of loosening of the locking device during operation to avoid damage due to incomplete loosening, according to a further embodiment of the invention, the locking mechanism further comprises a detection device for detecting the position of the locking device, and when the locking device locks a fixed object, an operator can determine the fixing state by observing the detection device; when the fixed object needs to be loosened, an operator can adjust the adjusting piece and observe the detection device, and when the detection device feeds back a signal to the numerical control system and determines that the main shaft is in a loosening state, the loosening of the fixed object is completed.
According to a further embodiment of the present invention, the locking device comprises a locking head 101 and a locking rod 103, the locking rod 103 is disposed below the locking head 101, the adjusting member passes through the locking head 101 to fix the locking device, and the locking rod 103 passes through the reset device to enable the reset device to support against the locking head 101.
According to some embodiments of the present invention, the detection device is configured as a proximity switch 106 for detecting the position of the end of the locking lever 103, the proximity switch 106 has high sensitivity and is relatively inexpensive compared to other detection elements, and the proximity switch 106 can quickly feed back a signal when the end of the locking lever 103 enters the detection range of the proximity switch 106 due to mature operation, so as to prompt the operator that the locking device has completed the releasing action.
Furthermore, in view of the simplicity of construction and reliability, according to some embodiments of the invention, the locking means is provided as a latch, here corresponding to the locking head 101.
According to some embodiments of the present invention, the spring 105 is disposed over the locking rod 103 and supports the locking head 101.
According to some embodiments of the invention, the adjusting member is provided as a screw 103, the screw 107 passes through the locking head 101, and the locking head 101 moves along with the rotation of the screw 107, wherein the movement comprises a reset movement under the action of the reset device and a movement along with the compression of the screw 107; in addition, there is a structure where the screw 107 passes through the locking head 101 to be integrated with the locking head 101, and the movement of the adjusting screw moves the locking head 101.
According to the spindle structure of the second aspect of the present invention, as shown in fig. 1, the spindle structure includes a spindle 100, one end of the spindle 100 is connected to a mounting seat, and the mounting seat is provided with the above-mentioned locking mechanism for locking the spindle 100, in combination with the advantages of the above-mentioned locking mechanism, the spindle structure herein only needs a single person to operate to tighten the screw to loosen the spindle 100 or loosen the screw 103 to fix the spindle 100, which greatly reduces the difficulty of fixing the spindle 100 by a technician to facilitate the repair or maintenance work of the spindle, and meanwhile, due to the existence of the detection device, the technician can avoid starting the machine to operate the spindle when the locking mechanism clamps the spindle 100 by looking at the detection device, thereby avoiding the damage of the spindle 100 or the locking mechanism.
Therefore, when the spindle structure with the locking mechanism is applied to numerical control machine tools such as a gear grinding machine or a gear milling machine, the spindle structure has the advantage of convenience in disassembly and assembly, and the labor intensity of technicians can be reduced to a certain extent.
In addition, the machine tool with the structure similar to the spindle can solve the problem of fixing the spindle by arranging the locking mechanism.
In particular, in view of the specific installation of the locking mechanism, according to some embodiments of the present invention, the spindle 100 is provided with a concave clamping structure corresponding to the locking mechanism, and the locking device is adjusted to abut against the clamping structure to fix the spindle 100.
And according to a further embodiment of the invention the gripping structure is provided as a sealing disc 102.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A locking mechanism, comprising:
a locking device;
the resetting device supports the locking device along a set direction;
and the adjusting piece acts on the locking device in the direction of overcoming the resetting device and is used for fixing the locking device at any position on a path of the locking device, which can move under the action of the resetting piece.
2. A locking mechanism according to claim 1, further comprising detection means for detecting the position of the locking means.
3. A locking mechanism according to claim 2, characterized in that the locking device comprises a locking head (101) and a locking rod (103), the locking rod (103) being arranged below the locking head (101), the adjustment element being arranged to pass through the locking head (101) to secure the locking device, the locking rod (103) being arranged to pass through the resetting device such that the resetting device bears against the locking head (101).
4. A locking mechanism according to claim 3, wherein the detection means is provided as a proximity switch (106) for detecting the position of the end of the locking lever (103).
5. A locking mechanism according to claim 4, characterized in that the return means is provided as a spring (105), the spring (105) being arranged to fit over the locking rod (103) and to bear against the locking head (101).
6. A locking mechanism according to claim 5, characterized in that the adjustment member is provided as a screw (107), that the screw (107) passes through the locking head (101), and that the locking head (101) moves in response to rotation of the screw (107).
7. A spindle structure, characterized in that, it comprises a spindle (100), one end of the spindle (100) is connected with a mounting seat, and the mounting seat is provided with a locking mechanism according to any one of claims 1 to 6 for locking the spindle (100).
8. The spindle arrangement according to claim 7, characterized in that the spindle (100) is provided with a concave clamping structure corresponding to the locking mechanism, the locking device being adjusted to abut against the clamping structure to secure the spindle (100).
9. A spindle arrangement according to claim 8, characterized in that the gripping arrangement is provided as a sealing disc (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911022599.8A CN110842222B (en) | 2019-10-25 | 2019-10-25 | Locking mechanism and main shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911022599.8A CN110842222B (en) | 2019-10-25 | 2019-10-25 | Locking mechanism and main shaft structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110842222A true CN110842222A (en) | 2020-02-28 |
| CN110842222B CN110842222B (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911022599.8A Active CN110842222B (en) | 2019-10-25 | 2019-10-25 | Locking mechanism and main shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110842222B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272514A (en) * | 2005-03-29 | 2006-10-12 | Haimekku:Kk | Main spindle twist locking device |
| CN101954597A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Heavy-load numerical control rotating table |
| CN202438871U (en) * | 2012-02-21 | 2012-09-19 | 天津第一机床总厂 | Clamping mechanism for workpiece box main shaft of gear milling machine |
| CN202715833U (en) * | 2012-07-20 | 2013-02-06 | 湖南金能达机电科技有限公司 | Axial locking mechanism for machine tool spindle |
| CN103567550A (en) * | 2013-11-14 | 2014-02-12 | 天津第一机床总厂 | Full-numerical-control spiral bevel gear milling machine |
| CN107443245A (en) * | 2016-05-31 | 2017-12-08 | 威海华陆数控机床有限公司 | Rotary table hydraulic locking apparatus |
| CN108161037A (en) * | 2018-03-20 | 2018-06-15 | 黄小芬 | The spindle assemblies structure of numerically controlled tooth grinding machine |
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft brake system |
-
2019
- 2019-10-25 CN CN201911022599.8A patent/CN110842222B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272514A (en) * | 2005-03-29 | 2006-10-12 | Haimekku:Kk | Main spindle twist locking device |
| CN101954597A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Heavy-load numerical control rotating table |
| CN202438871U (en) * | 2012-02-21 | 2012-09-19 | 天津第一机床总厂 | Clamping mechanism for workpiece box main shaft of gear milling machine |
| CN202715833U (en) * | 2012-07-20 | 2013-02-06 | 湖南金能达机电科技有限公司 | Axial locking mechanism for machine tool spindle |
| CN103567550A (en) * | 2013-11-14 | 2014-02-12 | 天津第一机床总厂 | Full-numerical-control spiral bevel gear milling machine |
| CN107443245A (en) * | 2016-05-31 | 2017-12-08 | 威海华陆数控机床有限公司 | Rotary table hydraulic locking apparatus |
| CN108161037A (en) * | 2018-03-20 | 2018-06-15 | 黄小芬 | The spindle assemblies structure of numerically controlled tooth grinding machine |
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft brake system |
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| Publication number | Publication date |
|---|---|
| CN110842222B (en) | 2021-01-05 |
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