CN113664565A - Drill bit clamp structure for preventing winding - Google Patents
Drill bit clamp structure for preventing winding Download PDFInfo
- Publication number
- CN113664565A CN113664565A CN202110985330.0A CN202110985330A CN113664565A CN 113664565 A CN113664565 A CN 113664565A CN 202110985330 A CN202110985330 A CN 202110985330A CN 113664565 A CN113664565 A CN 113664565A
- Authority
- CN
- China
- Prior art keywords
- air bag
- drill bit
- convex groove
- inner cavity
- drill
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title abstract description 9
- 238000007789 sealing Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 9
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 8
- 238000003754 machining Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
Images
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 an anti-winding drill clamp structure 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 fixture block is connected to the bottom of the inner cavity of the reducing jacket in a threaded manner, the top end of the locking fixture block is radially and movably connected with the bottom end of the fixed chuck, a clamping air bag is arranged on the inner wall of the locking fixture block, and a drill bit is connected to the inner wall of the clamping air bag in a friction manner. This a drill jig structure for antiwind, to reducing jacket, locking fixture block and the setting of pressing from both sides tight gasbag, the rotatory action that presss from both sides the jacket with the reducing forces a plurality of groups locking fixture block to move to the inboard in step to make the inner wall that presss from both sides tight gasbag and the drill bit surface between the top together inseparable laminating, and then steadily grasp the drill bit, make its difficult emergence phenomenon of skidding at the in-process of processing the hole site to the work piece, further improved the stability and the reliability of this drill jig in the use.
Description
Technical Field
The invention relates to the technical field of drill bit fixtures, in particular to a drill bit fixture structure for preventing winding.
Background
The drill bit clamp is one of main accessories in lathe machining and is mainly used for clamping drill bits of various types and specifications to realize hole site machining operation on a workpiece, however, in the actual operation and use process of the existing drill bit clamp, when an emergent situation occurs, the high-speed rotation action of the drill bit cannot be automatically and timely stopped, particularly when an operator wears cotton gloves to clamp the workpiece and operates the lathe, accidents are easily caused because the thread heads on the cotton gloves are wound on the drill bit rotating at a high speed, and the safety and the reliability are high.
Therefore, there is a need for an anti-twisting drill chuck structure that can automatically separate the drill bit when the drill bit is twisted so that the drill bit does not rotate at a high speed along with the lathe spindle, thereby avoiding the potential safety hazard of the conventional drill chuck during use.
Disclosure of Invention
Technical problem to be solved
The invention provides an anti-winding drill bit clamp structure, which has the advantages of capability of automatically realizing the separation action between the drill bit and a drill bit clamp when the drill bit is wound, high safety and high reliability, and solves the problems that the existing drill bit clamp cannot automatically and timely stop the high-speed rotation action of the drill bit when meeting an emergency situation in the actual operation and use process, and the safety and the reliability are poor.
(II) technical scheme
The invention provides the following technical scheme: a drill bit clamp structure for anti-winding comprises a reducing jacket, wherein a fixed chuck is movably sleeved at the bottom of an inner cavity of the reducing jacket, a locking fixture block is connected to the bottom of the inner cavity of the reducing jacket in a threaded manner, the top end of the locking fixture block is radially and movably connected with the bottom end of the fixed chuck, a clamping air bag is arranged on the inner wall of the locking fixture block, a drill bit is connected to the inner wall of the clamping air bag in a friction manner, a one-way air inlet hole communicated with the inner cavity of the clamping air bag is formed in the middle of the outer surface of the locking fixture block, a fixed connecting block is fixedly installed at the bottom of the outer surface of the locking fixture block, a convex groove communicated with the bottom of the fixed connecting block is formed in the inner part of the bottom end of the fixed connecting block, a sealing piston is movably sleeved at the bottom of the inner cavity of the convex groove, the top end of the sealing piston is in transmission connection with the bottom of the inner wall of the convex groove through a pressure spring, and a transmission connecting rod is fixedly installed at the bottom end of the sealing piston, the bottom end of the transmission connecting rod is fixedly provided with a touch block, and an exhaust groove communicated with the convex groove and the outside atmosphere is formed in the fixed connecting block.
Preferably, the clamping air bag is made of elastic rubber materials, and inert gas with full volume is filled in the clamping air bag.
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 joint between the exhaust groove and the convex groove is located in the middle of the outer surface of the sealing piston, and the minimum compression amount of the pressure spring is greater than the height of the sealing piston.
Preferably, the touch block can be designed into a fan-shaped structure arranged in an annular array or a cone-shaped structure with an arc-shaped curved surface on the outer surface according to actual use requirements.
(III) advantageous effects
The invention has the following beneficial effects:
1. the anti-winding drill bit clamp structure comprises a convex groove, a convex groove and a sealing piston, wherein the convex groove is arranged on the convex groove, the sealing piston is arranged on the convex groove, the convex groove is arranged on the convex groove, and the sealing piston is arranged on the convex groove.
2. This a drill jig structure for antiwind, to reducing jacket, locking fixture block and the setting of pressing from both sides tight gasbag, the rotatory action that presss from both sides the jacket with the reducing forces a plurality of groups locking fixture block to move to the inboard in step to make the inner wall that presss from both sides tight gasbag and the drill bit surface between the top together inseparable laminating, and then steadily grasp the drill bit, make its difficult emergence phenomenon of skidding at the in-process of processing the hole site to the work piece, further improved the stability and the reliability of this drill jig in the use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2.
In the figure: 1. a reducing jacket; 2. fixing the chuck; 3. locking the fixture block; 4. clamping the air bag; 5. a drill bit; 6. a one-way air inlet hole; 7. fixing the connecting block; 8. a convex groove; 9. a sealing piston; 10. a pressure spring; 11. a transmission connecting rod; 12. a touch block; 13. an exhaust groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a drill jig structure for anti-winding 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 to the bottom of the inner cavity of the reducing jacket 1 through a thread, the top end of the locking fixture block 3 is movably connected to the bottom end of the fixed chuck 2 in a radial direction, a clamping air bag 4 is arranged on the inner wall of the locking fixture block 3, a drill 5 is connected to the inner wall of the clamping air bag 4 in a friction manner, a one-way air inlet 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 end of the fixed connecting block 7 is arranged inside the bottom end of the fixed connecting block, a sealing piston 9 is movably sleeved at the bottom of the inner cavity of the convex groove 8, and 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, the bottom end of the transmission connecting rod 11 is fixedly provided with a touch block 12, and the inside of the fixed connecting block 7 is provided with an exhaust groove 13 for communicating the convex groove 8 with the outside atmosphere.
Wherein, to the setting of reducing jacket 1, locking fixture block 3 and clamping air bag 4, the rotational motion of using reducing jacket 1 forces a plurality of groups locking fixture block 3 to move to the inboard in step to make the inner wall that presss from both sides clamping air bag 4 and the top of drill bit 5 surface closely together, and then steadily grasp drill bit 5, make its difficult phenomenon that takes place to skid at the in-process of processing to the hole site of work piece.
In the technical scheme, the clamping air bag 4 is made of elastic rubber materials, and inert gas with full volume is filled in the clamping air bag.
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.
The one-way air inlet holes 6 are arranged for supplementing the inert gas filled in the inner cavity of the clamping air bag 4 under different use environments, so that the effective clamping force of the drill clamp on the drill 5 is maintained.
In the technical scheme, the inside of the convex groove 8 is provided with a circulation air hole communicated with the inner cavity of the clamping air bag 4, and the circulation air 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 greater than the height of the sealing piston 9.
Wherein, for the arrangement of the ventilation hole and the exhaust groove 13 on the convex groove 8, when the drill bit 5 is wound to drive the contact block 12 to move upwards to compress the pressure spring 10, the exhaust groove 13 and the sealing piston 9 can be staggered, so that the clamping air bag 4 is communicated with the outside atmosphere to exhaust the inert gas filled therein, and further the drill bit 5 is separated from the drill bit clamp, so that the drill bit 5 does not rotate at high speed therewith, and the drill bit 5 can be automatically forced to stop rotating when meeting an emergency, thereby preventing accidents, and further effectively improving the safety of the drill bit clamp in the using process.
In this technical solution, the touch block 12 can be set to be a fan-shaped structure arranged in an annular array or a cone-shaped structure with an arc-shaped curved surface according to actual use requirements.
The use method and the working principle of the embodiment are as follows:
firstly, the drill jig is fixedly arranged on an output main shaft of a lathe through a fixed chuck 2, then a selected drill bit 5 extends into a clamping air bag 4 on the drill jig, then a reducing jacket 1 is rotated and three groups of locking clamping blocks 3 on the reducing jacket are driven to synchronously move inwards to extrude the clamping air bag 4, so that the reducing jacket is deformed to clamp the top of the drill bit 5, the drill bit 5 can be stably clamped on the drill jig, and then the lathe is started and drives the drill bit 5 on the drill jig to rotate at a high speed along with the clamping air bag to perform hole site machining operation on a workpiece;
when the drill bit 5 is wound at high speed, the wound wire is in contact with the outer surface of the trigger 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, the exhaust groove 13 and the convex groove 8 which are communicated are staggered, the inner cavity of the clamping air bag 4 is communicated with the outside atmosphere, the inert gas filled in the clamping air bag 4 leaks to reduce the clamping force of the inert gas on the bottom of the outer surface of the drill bit 5, the drill bit 5 and the clamping air bag 4 are separated from each other without rotating, the damage caused by the winding of the drill bit 5 is reduced, and the safety and the reliability are high.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a drill jig 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 radially and movably connected 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 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), a convex groove (8) communicated to the bottom of the fixed connecting block (7) is formed in the inner part of the bottom end of the fixed connecting block (7), a sealing piston (9) is movably sleeved at the bottom of the inner cavity of the convex groove (8), and a pressure spring (10) is arranged between the top end of the sealing piston (9) and the bottom of the inner wall of the convex groove (8) The transmission is connected, the bottom fixed mounting transmission connecting rod (11) of sealed piston (9), the bottom fixed mounting of transmission connecting rod (11) has touch piece (12), the inside of fixed even piece (7) is equipped with intercommunication convex groove (8) and atmospheric air discharge duct (13) in the external world.
2. A bit holder arrangement for anti-wind up according to claim 1, wherein: the clamping air bag (4) is made of elastic rubber materials, and inert gas with full volume is filled in the clamping air bag.
3. A bit holder arrangement for anti-wind up according to claim 2, wherein: the convex groove (8) is internally provided with a ventilation hole 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).
4. A bit holder arrangement for anti-wind up according to claim 3, wherein: 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 greater than the height of the sealing piston (9).
5. A bit holder arrangement for anti-wind up according to claim 1, wherein: the touch block (12) can be designed into a fan-shaped structure arranged in an annular array or a cone-shaped 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 true CN113664565A (en) | 2021-11-19 |
| CN113664565B CN113664565B (en) | 2023-11-21 |
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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 |
|---|---|
| CN (1) | CN113664565B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605433A (en) * | 2024-01-24 | 2024-02-27 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605433A (en) * | 2024-01-24 | 2024-02-27 | 四川中铁二院环保科技有限公司 | Impact core drill |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113664565B (en) | 2023-11-21 |
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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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