CN113664565B - Drill bit clamp structure for preventing winding - Google Patents
Drill bit clamp structure for preventing winding Download PDFInfo
- Publication number
- CN113664565B CN113664565B CN202110985330.0A CN202110985330A CN113664565B CN 113664565 B CN113664565 B CN 113664565B CN 202110985330 A CN202110985330 A CN 202110985330A CN 113664565 B CN113664565 B CN 113664565B
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- CN
- China
- Prior art keywords
- drill bit
- air bag
- sealing piston
- drill
- clamping block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004804 winding Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000009471 action Effects 0.000 abstract description 11
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 10
- 238000003754 machining Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
- B23Q11/0092—Safety devices protecting the operator, e.g. against accident or noise actuating braking or stopping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention relates to the technical field of drill clamps and discloses a drill clamp structure for preventing winding, which comprises a reducing jacket, wherein a fixed chuck is movably sleeved at the bottom of an inner cavity of the reducing jacket, a locking clamping block is connected at the bottom of the inner cavity of the reducing jacket in a threaded manner, the top end of the locking clamping block is movably connected with the bottom end of the fixed chuck in a radial direction, a clamping air bag is arranged on the inner wall of the locking clamping block, and a drill bit is connected with the inner wall of the clamping air bag in a friction manner. This a drill bit anchor clamps structure for antiwind presss from both sides cover, locking fixture block and press from both sides the setting of tight gasbag with the rotatory action that the reducing pressed from both sides the cover forces the synchronous inboard removal of a plurality of groups locking fixture blocks to make between the inner wall that presss from both sides tight laminating between the top of tight gasbag and the drill bit surface, and then stably grip the drill bit, make it difficult emergence skid's the phenomenon in the in-process of processing the hole site of work piece, further improved the stability and the reliability of this drill bit anchor clamps in the use.
Description
Technical Field
The invention relates to the technical field of drill clamps, in particular to a drill clamp structure for preventing winding.
Background
The drill clamp is used as one of main accessories in lathe machining and is mainly used for clamping drill bits of various types and specifications so as to realize hole site machining operation on a workpiece, however, the existing drill clamp cannot automatically and timely stop high-speed rotation action of the drill bit when encountering emergency in the actual operation and use process, and particularly when an operator wears cotton glove to clamp the workpiece and operate the lathe, accidents are easy to occur due to the fact that thread ends on the cotton glove are wound on the drill bit rotating at high speed, and the safety and reliability are high.
Therefore, there is a need for a drill clamp structure for preventing winding, which can automatically separate the drill when the drill is wound, so that the drill does not rotate at a high speed along with the lathe spindle, and the potential safety hazard of the existing drill clamp in the use process is avoided.
Disclosure of Invention
(one) solving the technical problems
The invention provides a drill clamp structure for preventing winding, which has the advantages of being capable of automatically realizing the separation action between the drill clamp and the drill clamp when the drill is wound, being high in safety and reliability, and solving the problems that the existing drill clamp cannot automatically and timely stop the high-speed rotation action of the drill when encountering emergency in the actual operation and use process, and is poor in safety and reliability.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a be used for winding-proof drill bit anchor clamps structure, includes the reducing clamp sleeve, fixed chuck has been cup jointed in the bottom activity of reducing clamp sleeve inner chamber, the bottom threaded connection of reducing clamp sleeve inner chamber has locking fixture block, radial swing joint between the top of locking fixture block and the bottom of fixed chuck, and the inner wall of locking fixture block is equipped with the tight gasbag, the inner wall friction of tight gasbag is connected with the drill bit, the middle part of locking fixture block surface is equipped with the one-way inlet port that communicates to the tight gasbag inner chamber, the bottom fixed mounting of locking fixture block surface has fixed connection piece, the convex groove that communicates to its bottom has been seted up to the inside of fixed connection piece bottom, sealed piston has been cup jointed in the bottom activity of convex groove inner chamber, and pass through the pressure spring transmission between the bottom of sealed piston's top and convex groove inner wall and be connected, the bottom fixed mounting transmission connecting rod of sealed piston, the bottom fixed mounting of transmission connecting rod has the touch piece, the inside of fixed connection piece is equipped with the exhaust groove of intercommunication convex groove and external atmosphere.
Preferably, the clamping air bag is made of elastic rubber material, and is filled with inert gas with full volume.
Preferably, the convex groove is internally provided with a ventilation hole communicated with the inner cavity of the clamping air bag, and the ventilation hole on the convex groove is positioned below the sealing piston.
Preferably, the connection part between the vent groove and the convex groove is positioned in the middle of the outer surface of the sealing piston, and the minimum compression amount of the pressure spring is larger than the height of the sealing piston.
Preferably, the touch block can be set to be in a sector structure arranged in an annular array or a conical structure with an arc-shaped curved surface on the outer surface according to actual use requirements.
(III) beneficial effects
The invention has the following beneficial effects:
1. this a drill jig structure for antiwind is to mounting structure and exhaust groove's setting on the convex groove, when the drill bit drives the touch piece and upwards moves compression pressure spring because of taking place to twine the phenomenon, make between exhaust groove and the sealed piston can stagger each other and press from both sides tight gasbag and external atmosphere between intercommunication each other, with the inert gas that fills wherein, and then make between drill bit and the drill jig separate each other, make it no longer take place the high-speed rotatory action thereupon, compare with current drill jig, can force the drill bit automatically to stop rotatory action when meetting the emergency, in order to reduce its damage that brings when taking place to twine, and then improved the security and the reliability of this drill jig in the use effectively.
2. This a drill bit anchor clamps structure for antiwind presss from both sides cover, locking fixture block and press from both sides the setting of tight gasbag with the rotatory action that the reducing pressed from both sides the cover forces the synchronous inboard removal of a plurality of groups locking fixture blocks to make between the inner wall that presss from both sides tight laminating between the top of tight gasbag and the drill bit surface, and then stably grip the drill bit, make it difficult emergence skid's the phenomenon in the in-process of processing the hole site of work piece, further improved the stability and the reliability of this drill bit anchor clamps in the use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is an enlarged schematic view of the structure of the present invention at a in fig. 2.
In the figure: 1. a reducing jacket; 2. fixing a chuck; 3. locking the clamping block; 4. clamping the air bag; 5. a drill bit; 6. a unidirectional air inlet; 7. fixing the connecting blocks; 8. a convex groove; 9. a sealing piston; 10. a pressure spring; 11. a transmission link; 12. a touch block; 13. and an exhaust groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a drill bit fixture structure for winding prevention comprises a reducing jacket 1, a fixed chuck 2 is movably sleeved at the bottom of an inner cavity of the reducing jacket 1, a locking fixture block 3 is connected at the bottom of the inner cavity of the reducing jacket 1 in a threaded manner, the top end of the locking fixture block 3 is in radial movable connection with the bottom end of the fixed chuck 2, a clamping air bag 4 is arranged on the inner wall of the locking fixture block 3, a drill bit 5 is in friction connection with the inner wall of the clamping air bag 4, a unidirectional air inlet hole 6 communicated with the inner cavity of the clamping air bag 4 is arranged in the middle of the outer surface of the locking fixture block 3, a fixed connecting block 7 is fixedly arranged at the bottom of the outer surface of the locking fixture block 3, a convex groove 8 communicated with the bottom of the fixed connecting block 7 is formed in the bottom of the inner cavity, a sealing piston 9 is movably sleeved at the bottom of the inner cavity of the convex groove 8, a transmission connection is realized through a pressure spring 10, a transmission connecting rod 11 is fixedly arranged at the bottom end of the sealing piston 9, a bottom end of the transmission connecting rod 11 is fixedly provided with a clamping air bag 12, and the inside of the fixed connecting block 7 is provided with an air exhaust groove 13 communicated with the convex groove 8 and the outside atmosphere.
The variable diameter clamping sleeve 1, the locking clamping blocks 3 and the clamping air bags 4 are arranged, and the variable diameter clamping sleeve 1 is used for rotating to force the locking clamping blocks 3 to synchronously move inwards, so that the inner wall of the clamping air bags 4 and the top of the outer surface of the drill bit 5 are tightly attached together, the drill bit 5 is stably clamped, and slipping is not easy to occur in the process of machining a hole site of a workpiece.
In the technical scheme, the clamping air bag 4 is made of elastic rubber material, and is filled with inert gas with full volume.
The clamping air bag 4 is arranged, so that the clamping air bag 4 has good stability in the process of clamping the drill bit 5, the drill bit 5 is not easy to slip due to the change of the external environment temperature in the long-time use process, and the stability of the drill bit in the use process is further improved.
Wherein, the one-way air inlet hole 6 is used for supplementing inert gas filled in the inner cavity of the clamping air bag 4 under different use environments so as to maintain the effective clamping force of the drill clamp on the drill bit 5.
In the technical scheme, the inside of the convex groove 8 is provided with a ventilation hole which is communicated with the inner cavity of the clamping air bag 4, and the ventilation hole on the convex groove is positioned below the sealing piston 9.
In the technical scheme, the joint between the exhaust groove 13 and the convex groove 8 is positioned in the middle of the outer surface of the sealing piston 9, and the minimum compression amount of the pressure spring 10 is larger than the height of the sealing piston 9.
When the drill bit 5 is wound to drive the touch block 12 to move upwards to compress the pressure spring 10, the air vent slot 13 and the sealing piston 9 are staggered to communicate with each other, so that the filled inert gas is discharged, the drill bit 5 and the drill bit clamp are separated from each other, high-speed rotation is not generated, and the drill bit 5 can be automatically forced to stop rotating when an emergency occurs, so that accidents are prevented, and the safety of the drill bit clamp in the use process is effectively improved.
In this technical solution, the touch block 12 may be configured as a sector structure arranged in an annular array or a conical structure with an arc-shaped surface according to practical use requirements.
The application method and the working principle of the embodiment are as follows:
firstly, fixedly mounting the drill bit clamp on an output spindle of a lathe through a fixed chuck 2, then extending a selected drill bit 5 into the inside of a clamping air bag 4 on the drill bit clamp, then rotating a reducing jacket 1 and driving three groups of locking clamping blocks 3 on the reducing jacket to synchronously move inwards so as to squeeze the clamping air bag 4, so that the clamping air bag is deformed to clamp the top of the drill bit 5, enabling the drill bit 5 to be stably clamped on the drill bit clamp, and then starting the lathe and driving the drill bit 5 on the drill bit clamp to rotate at a high speed so as to carry out hole site machining operation on a workpiece;
when the drill bit 5 winds at high speed, the wound wire contacts the outer surface of the touch block 12, and the sealing piston 9 on the wire is driven to move upwards under the transmission action of the transmission connecting rod 11 to compress the pressure spring 10, so that the positions of the sealing piston 9 communicated with the exhaust groove 13 and the convex groove 8 are staggered, the inner cavity of the clamping air bag 4 is communicated with the outside atmosphere, inert gas filled in the clamping air bag 4 is leaked to reduce the clamping force on the bottom of the outer surface of the drill bit 5, and the drill bit 5 and the clamping air bag 4 are separated from each other without rotating, thereby reducing the damage caused by winding the drill bit 5 and having higher safety and reliability.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a drill bit anchor clamps structure for antiwind, includes reducing jacket (1), its characterized in that: the bottom of the inner cavity of the reducing jacket (1) is movably sleeved with a fixed chuck (2), the bottom of the inner cavity of the reducing jacket (1) is in threaded connection with a locking clamping block (3), the top end of the locking clamping block (3) is in radial movable connection with the bottom end of the fixed chuck (2), the inner wall of the locking clamping block (3) is provided with a clamping air bag (4), the inner wall of the clamping air bag (4) is in friction connection with a drill bit (5), the middle part of the outer surface of the locking clamping block (3) is provided with a one-way air inlet hole (6) communicated into the inner cavity of the clamping air bag (4), the bottom of the outer surface of the locking clamping block (3) is fixedly provided with a fixed connecting block (7), the bottom end of the fixed connecting block (7) is internally provided with a convex groove (8) communicated to the bottom of the fixed connecting block, the bottom of the inner cavity of the convex groove (8) is movably sleeved with a sealing piston (9), the top end of the sealing piston (9) is in transmission connection with the bottom of the inner wall of the convex groove (8) through a pressure spring (10), the bottom end of the sealing piston (9) is fixedly provided with a transmission connecting rod (11), and the bottom end of the transmission connecting rod (11) is fixedly provided with a connecting rod (7) and the inner air outlet groove (13) is communicated with the inner air outlet groove (13).
The inside of convex groove (8) has offered the circulation air vent and has pressed from both sides the inner chamber of tight gasbag (4) and be linked together, and the circulation air vent on it is located the below of sealing piston (9), junction between exhaust groove (13) and convex groove (8) is located the middle part of sealing piston (9) surface, and the minimum compression volume of compression spring (10) is greater than the height of sealing piston (9), and when drill bit (5) are because of taking place the winding phenomenon and drive touch piece (12) upwards move compression spring (10), make can stagger each other between exhaust groove (13) and sealing piston (9), cause between tight gasbag (4) of clamp and the external atmosphere intercommunication each other, with the inert gas that fills wherein discharge, and then make between drill bit (5) and the drill bit anchor clamps mutually separate.
2. A drill bit holder structure for anti-wind according to claim 1, wherein: the clamping air bag (4) is made of elastic rubber material, and is filled with inert gas with full volume.
3. A drill bit holder structure for anti-wind according to claim 1, wherein: the touch blocks (12) can be arranged in a sector structure in annular array arrangement or in a conical structure with an arc-shaped curved surface on the outer surface according to actual use requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110985330.0A CN113664565B (en) | 2021-08-26 | 2021-08-26 | Drill bit clamp structure for preventing winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110985330.0A CN113664565B (en) | 2021-08-26 | 2021-08-26 | Drill bit clamp structure for preventing winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113664565A CN113664565A (en) | 2021-11-19 |
| CN113664565B true CN113664565B (en) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110985330.0A Active CN113664565B (en) | 2021-08-26 | 2021-08-26 | Drill bit clamp structure for preventing winding |
Country Status (1)
| Country | Link |
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| CN (1) | CN113664565B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605433B (en) * | 2024-01-24 | 2024-04-05 | 四川中铁二院环保科技有限公司 | Impact core drill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664246A (en) * | 2019-02-02 | 2019-04-23 | 杭州卓维机械有限公司 | A kind of auxiliary bore hole device of hand held electric drill |
| CN110000589A (en) * | 2019-04-10 | 2019-07-12 | 马科 | A kind of numerical control processing drilling attachment |
| CN111941126A (en) * | 2020-07-15 | 2020-11-17 | 张超 | Eccentric clamping mechanism for lathe tool |
| CN112983327A (en) * | 2021-03-23 | 2021-06-18 | 深圳市德彩福智能科技有限公司 | Collapse self-rescue drill bit fishing device |
-
2021
- 2021-08-26 CN CN202110985330.0A patent/CN113664565B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664246A (en) * | 2019-02-02 | 2019-04-23 | 杭州卓维机械有限公司 | A kind of auxiliary bore hole device of hand held electric drill |
| CN110000589A (en) * | 2019-04-10 | 2019-07-12 | 马科 | A kind of numerical control processing drilling attachment |
| CN111941126A (en) * | 2020-07-15 | 2020-11-17 | 张超 | Eccentric clamping mechanism for lathe tool |
| CN112983327A (en) * | 2021-03-23 | 2021-06-18 | 深圳市德彩福智能科技有限公司 | Collapse self-rescue drill bit fishing device |
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| Publication number | Publication date |
|---|---|
| CN113664565A (en) | 2021-11-19 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231025 Address after: Room 304, H # Comprehensive Building, No. 29-1 Chuangxin Second Road, Hunnan District, Shenyang City, Liaoning Province, 110000 Applicant after: Shenyang Huaqin Hangfa Technology Co.,Ltd. Address before: 231 Anzhuang, Datun Town, Pei County, Xuzhou City, Jiangsu Province, 221000 Applicant before: Liu Changzhi |
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| GR01 | Patent grant |