CN111730082B - Pneumatic automatic locking chuck - Google Patents
Pneumatic automatic locking chuck Download PDFInfo
- Publication number
- CN111730082B CN111730082B CN202010747748.3A CN202010747748A CN111730082B CN 111730082 B CN111730082 B CN 111730082B CN 202010747748 A CN202010747748 A CN 202010747748A CN 111730082 B CN111730082 B CN 111730082B
- Authority
- CN
- China
- Prior art keywords
- gear ring
- gear
- chuck
- driving
- ring
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 210000000078 claw Anatomy 0.000 claims description 44
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16083—Jaws movement actuated by gears and racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Manipulator (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses an automatic pneumatic locking chuck, which comprises a chuck seat; the inner gear ring is rotatably arranged on the chuck seat, and first gear teeth are formed on the inner wall of the inner gear ring; the outer toothed ring seat is fixed at the center of the chuck seat; the outer gear ring is rotatably arranged on the outer gear ring seat, and second gear teeth are formed on the outer wall of the outer gear ring; the first driving assembly is used for driving the inner gear ring to rotate; the first jaw assembly comprises two oppositely arranged first jaws, two first jaw racks and two first transmission gears, and the first transmission gears are meshed with first gear teeth of the inner gear ring; the second driving assembly is used for driving the outer gear ring to rotate; the second jaw assembly comprises two second jaws, two second jaw racks and two second transmission gears which are oppositely arranged, and the second transmission gears are meshed with second gear teeth of the outer gear ring. The pneumatic automatic locking chuck provided by the invention can automatically lock a workpiece in a centering way, and has the advantages of good stability and reliability and long service life.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to an automatic pneumatic locking chuck.
Background
The pneumatic automatic locking chuck is used as a machine tool accessory and is suitable for laser equipment. The pneumatic automatic locking chucks commonly used in the current market are all of sliding plate locking structures, so that the stability is poor, the service life is short, and the market requirements are hardly met.
Disclosure of Invention
The invention aims to provide an automatic pneumatic locking chuck which can automatically lock a workpiece in a centering manner, and has the advantages of good stability and reliability and long service life.
The invention discloses a pneumatic automatic locking chuck, which adopts the following technical scheme:
A pneumatic automatic locking chuck comprises a chuck seat; the inner gear ring is rotatably arranged on the chuck seat, and first gear teeth are formed on the inner wall of the inner gear ring; the outer toothed ring seat is fixed at the center of the chuck seat; the outer gear ring is rotatably arranged on the outer gear ring seat, and second gear teeth are formed on the outer wall of the outer gear ring; the first driving assembly is used for driving the inner gear ring to rotate; the first claw assembly comprises two oppositely arranged first claws, two first claw racks respectively fixed on the first claws, and two first transmission gears respectively meshed with the first claw racks, wherein the first transmission gears are meshed with first gear teeth of the inner gear ring, one first claw and each first claw rack are positioned on one side of one first transmission gear, and the other first claw and each first claw rack are positioned on the other opposite side of the other first transmission gear; the second driving assembly is used for driving the outer gear ring to rotate; the second claw assembly comprises two second claws which are oppositely arranged, two second claw racks which are respectively fixed on one second claw, and two second transmission gears which are respectively meshed with the second claw racks, wherein the second transmission gears are meshed with second gear teeth of the outer gear ring, one second claw and each second claw rack are positioned on one side of one second transmission gear, and the other second claw and each second claw rack are positioned on the other opposite side of the other second transmission gear.
As a preferable scheme, the first driving component is arranged between the inner gear ring and the outer gear ring and comprises a first cylinder, a first rack arranged on the first cylinder and a first driving gear meshed with the first rack, and the first driving gear is meshed with first gear teeth of the inner gear ring.
As a preferable scheme, the first driving components are provided with two groups, the two groups of first driving components are respectively arranged on a circle taking the center of the inner gear ring as the center of the circle, and the two groups of first driving components are reversely arranged on two opposite sides of the inner gear ring.
Preferably, the first gear teeth are distributed on opposite sides of the inner wall of the inner gear ring at intervals.
As a preferable scheme, the second driving assembly is arranged between the inner gear ring and the outer gear ring and comprises a second cylinder, a second rack arranged on the second cylinder and a second driving gear meshed with the second rack, and the second driving gear is meshed with second gear teeth of the outer gear ring.
As an optimal scheme, the second driving components are provided with two groups, the two groups of second driving components are respectively arranged on a circle taking the center of the outer tooth ring as the center of the circle, and the two groups of second driving components are reversely arranged on two opposite sides of the outer tooth ring.
Preferably, the second gear teeth are distributed on two opposite sides of the outer wall of the outer gear ring at intervals.
The chuck seat is characterized by also comprising a chuck support seat arranged on the chuck seat, wherein an air cylinder air inlet hole and an air cylinder air outlet hole are formed in the chuck support seat;
the chuck is characterized by further comprising an air inlet and exhaust sleeve seat which is arranged on the chuck seat and used for communicating the first air cylinder and the second air cylinder, and an air inlet hole and an air exhaust hole of the air cylinder are respectively communicated with an air vent hole on the air inlet and exhaust sleeve seat.
Preferably, the chuck support seat is arranged on the chuck support fixing seat and is connected with the frame through the chuck support fixing seat.
The pneumatic automatic locking chuck disclosed by the invention has the beneficial effects that: the first driving assembly drives the inner gear ring to rotate, the rotating inner gear ring enables the two first transmission gears to rotate in a following mode, the corresponding two first claw racks move relatively or oppositely, and then the two oppositely arranged first claws move relatively or oppositely. Meanwhile, the second driving assembly drives the outer gear ring to rotate, the rotating outer gear ring enables the two second transmission gears to rotate in a following mode, corresponding two second claw racks move relatively or oppositely, and further two second claws which are arranged relatively or oppositely move, and therefore the requirement of locking a workpiece in an automatic centering mode is met. The transmission process is the transmission of the gear and the rack, and has good stability and reliability and long service life.
Drawings
Fig. 1 is a schematic view of the pneumatic automatic locking chuck of the present invention.
Fig. 2 is a side cross-sectional view of the pneumatic auto-lock chuck of the present invention.
Fig. 3 is a front cross-sectional view of the pneumatic auto-lock chuck of the present invention.
Detailed Description
The invention is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
Referring to fig. 1 and 3, an air-operated automatic locking chuck includes a chuck base 10, an inner gear ring 20, an outer gear ring base 30, an outer gear ring 40, a first driving assembly 50, a first jaw assembly 60, a second driving assembly 70, and a second jaw assembly 80.
The inner gear ring 20 is rotatably provided to the chuck base 10. Wherein the inner wall of the inner gear ring 20 is formed with first gear teeth 21. The first driving assembly 50 is used for driving the ring gear 20 to rotate.
The first jaw assembly 60 includes two oppositely disposed first jaws 61, two first jaw racks 62 respectively fixed to one first jaw 61, and two first transmission gears 63 respectively engaged with one first jaw rack 62. The first transfer gear 63 is engaged with the first gear teeth 21 of the ring gear 20. One of the first claws 61 and the first claw rack 62 is located at one side of a first transmission gear 63, and the other first claw 61 and the first claw rack 62 are located at the opposite side of the other first transmission gear 63, so that the moving directions of the two first claws 61 are opposite or opposite.
The outer ring gear 30 is fixed to the center of the chuck base 10. The outer gear ring 40 is rotatably disposed on the outer gear ring seat 30, and the outer wall of the outer gear ring 40 is formed with second gear teeth 41. The second drive assembly 70 is used to drive the outer toothed ring 40 in rotation.
The second jaw assembly 80 includes two oppositely disposed second jaws 81, two second jaw racks 82 respectively fixed to one second jaw 81, and two second transmission gears 83 respectively engaged with one second jaw rack 82. The second transfer gear 83 meshes with the second gear teeth 41 of the outer gear ring 40. One of the second claws 81 and the second claw rack 82 is located at one side of a second transmission gear 83, and the other second claw 81 and the second claw rack 82 are located at the opposite side of the other second transmission gear 83.
The implementation process comprises the following steps: the first driving assembly 50 drives the ring gear 20 to rotate, and the rotating ring gear 20 makes the two first transmission gears 63 rotate in a following way, and the corresponding two first claw racks 62 move relatively or oppositely, so that the two oppositely arranged first claws 61 move relatively or oppositely. At the same time, the second driving assembly 70 drives the outer gear ring 40 to rotate, the rotating outer gear ring 40 makes the two second transmission gears 83 rotate in a following way, the corresponding two second jaw racks 82 move relatively or oppositely, and then the two second jaws 81 arranged relatively or oppositely move, so that the requirement of locking the workpiece in a self-centering way is met.
The first drive assembly 50 is disposed between the ring gear 20 and the ring gear 40. The first driving assembly 50 includes a first cylinder 51, a first rack 52 provided to the first cylinder 51, a first driving gear 53 engaged with the first rack 52, and the first driving gear 53 engaged with the first gear teeth 21 of the ring gear 20.
The first driving assemblies 50 are provided with two groups, the two groups of first driving assemblies 50 are respectively arranged on a circle taking the center of the annular gear 20 as the center of the circle, and the two groups of first driving assemblies 50 are reversely arranged on two opposite sides of the annular gear 20. The first gear teeth 21 are spaced apart on opposite sides of the inner wall of the inner gear ring 20, and the first gear teeth 21 on each side correspond to a first driving assembly 50. When one first driving component 50 drives the inner gear ring 20 to rotate forward or reversely, the other first driving component 50 also drives the inner gear ring 20 to rotate forward or reversely correspondingly, so that the clamping reliability of the clamping jaws is improved.
The second drive assembly 70 is disposed between the ring gear 20 and the ring gear 40. The second driving assembly 70 includes a second cylinder 71, a second rack gear 72 provided to the second cylinder 71, and a second driving gear 73 engaged with the second rack gear 72, the second driving gear 73 being engaged with the second gear teeth 41 of the outer gear ring 40.
The second driving assemblies 70 are provided with two groups, the two groups of second driving assemblies 70 are respectively arranged on a circle with the center of the outer gear ring 40 as the center of the circle, and the two groups of second driving assemblies 70 are reversely arranged on two opposite sides of the outer gear ring 40. The second gear teeth 41 are spaced apart on opposite sides of the outer wall of the outer gear ring 40, and the second gear teeth 41 on each side correspond to a second driving assembly 70. When one second driving component 70 drives the outer ring gear 40 to rotate forward or reversely, the other second driving component 70 also drives the outer ring gear 40 to rotate forward or reversely correspondingly, so that the reliability of clamping the clamping jaws is improved.
Referring to fig. 1 and 2, the pneumatic automatic locking chuck further comprises a chuck support seat 11 provided on the chuck seat 10, and the chuck support seat 11 is provided with an air cylinder air inlet 111 and an air cylinder air outlet 112. The pneumatic automatic locking chuck further comprises an air inlet and outlet sleeve seat 12 which is arranged on the chuck seat 10 and is used for communicating the first air cylinder 51 and the second air cylinder 71. The cylinder air inlet hole 111 and the cylinder air outlet hole 112 are respectively communicated with the air vent on the air inlet and outlet sleeve seat 12.
The chuck support seat 11 is arranged on the chuck support fixing seat 13 and is connected with the frame through the chuck support fixing seat 13. The motor transmission gear 14 is arranged at one end of the connecting shaft sleeve 16 through the gear supporting sleeve 15, and the chuck base 10 is arranged at the other end of the connecting shaft sleeve 16.
The first cylinder 51 drives the first rack 52 to move, drives the first driving gear 53 meshed with the first rack 52, the first driving gear 53 rotates and forces the inner gear ring 20 to rotate in a following way, the rotating inner gear ring 20 enables the two first transmission gears 63 to rotate in a following way, the corresponding two first claw racks 62 move relatively or oppositely, and then the two oppositely arranged first claws 61 move relatively or oppositely. At the same time, the second cylinder 71 drives the second rack 72 to move, drives the second driving gear 73 meshed with the second rack 72, and the second driving gear 73 rotates and forces the outer gear ring 40 to rotate in a following manner, the rotating outer gear ring 40 makes the two second transmission gears 83 rotate in a following manner, the corresponding two second jaw racks 82 move relatively or oppositely, and then the two second jaws 81 arranged relatively or oppositely move. Therefore, the requirement of automatic centering and locking of the workpiece is met, the transmission process is transmission of a gear and a rack, stability and reliability are good, and the service life is long.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. A pneumatic self-locking chuck, comprising
A chuck base;
the inner gear ring is rotatably arranged on the chuck seat, and first gear teeth are formed on the inner wall of the inner gear ring;
The outer toothed ring seat is fixed at the center of the chuck seat;
the outer gear ring is rotatably arranged on the outer gear ring seat, and second gear teeth are formed on the outer wall of the outer gear ring;
the first driving assembly is used for driving the inner gear ring to rotate;
The first claw assembly comprises two oppositely arranged first claws, two first claw racks respectively fixed on the first claws, and two first transmission gears respectively meshed with the first claw racks, wherein the first transmission gears are meshed with first gear teeth of the inner gear ring, one first claw and each first claw rack are positioned on one side of one first transmission gear, and the other first claw and each first claw rack are positioned on the other opposite side of the other first transmission gear;
the second driving assembly is used for driving the outer gear ring to rotate;
The second jaw assembly comprises two second jaws which are oppositely arranged, two second jaw racks which are respectively fixed on one second jaw, and two second transmission gears which are respectively meshed with the second jaw racks, wherein the second transmission gears are meshed with second gear teeth of the outer gear ring, one second jaw and each second jaw rack are positioned on one side of one second transmission gear, and the other second jaw and each second jaw rack are positioned on the other opposite side of the other second transmission gear;
The first driving assembly is arranged between the inner gear ring and the outer gear ring and comprises a first cylinder, a first rack arranged on the first cylinder and a first driving gear meshed with the first rack, and the first driving gear is meshed with first gear teeth of the inner gear ring;
The second driving assembly is arranged between the inner gear ring and the outer gear ring and comprises a second cylinder, a second rack arranged on the second cylinder and a second driving gear meshed with the second rack, and the second driving gear is meshed with second gear teeth of the outer gear ring.
2. The air-operated automatic locking chuck as set forth in claim 1, wherein said first driving assembly is provided in two groups, said first driving assemblies are disposed on a circle centered on the center of the ring gear, and said first driving assemblies are disposed on opposite sides of the ring gear in opposite directions.
3. The air operated self-locking chuck as set forth in claim 2, wherein said first gear teeth are spaced on opposite sides of the inner wall of the inner gear ring.
4. The air-operated automatic locking chuck as set forth in claim 3, wherein said second driving units are provided in two groups, said two groups of said second driving units are disposed on a circle centered on the center of the outer gear ring, and said two groups of said second driving units are disposed on opposite sides of the outer gear ring in opposite directions.
5. The air operated self-locking chuck as set forth in claim 4, wherein said second gear teeth are spaced on opposite sides of the outer wall of the outer gear ring.
6. The air-operated automatic locking chuck as set forth in any one of claims 1 to 4, further comprising a chuck support seat provided on the chuck seat, wherein the chuck support seat is provided with an air cylinder air inlet hole and an air cylinder air outlet hole;
the chuck is characterized by further comprising an air inlet and exhaust sleeve seat which is arranged on the chuck seat and used for communicating the first air cylinder and the second air cylinder, and an air inlet hole and an air exhaust hole of the air cylinder are respectively communicated with an air vent hole on the air inlet and exhaust sleeve seat.
7. The air-operated auto-locking chuck as set forth in claim 6, wherein said chuck support base is provided on the chuck support holder and is connected to the frame through said chuck support holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747748.3A CN111730082B (en) | 2020-07-28 | 2020-07-28 | Pneumatic automatic locking chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747748.3A CN111730082B (en) | 2020-07-28 | 2020-07-28 | Pneumatic automatic locking chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111730082A CN111730082A (en) | 2020-10-02 |
| CN111730082B true CN111730082B (en) | 2024-06-25 |
Family
ID=72656531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010747748.3A Active CN111730082B (en) | 2020-07-28 | 2020-07-28 | Pneumatic automatic locking chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111730082B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212704432U (en) * | 2020-07-28 | 2021-03-16 | 东莞市百级激光科技有限公司 | Pneumatic automatic locking chuck |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011117881A1 (en) * | 2011-11-08 | 2013-05-08 | Sms Meer Gmbh | Chuck of a machine tool for machining a tubular, rotating workpiece |
| CN105171313B (en) * | 2015-10-10 | 2017-05-31 | 常州市力源恒机械有限公司 | Electricity drives double acting total travel chuck |
| CN105414585B (en) * | 2016-01-04 | 2017-12-12 | 浙江今跃机械科技开发有限公司 | Chuck and lathe |
| CN105772771B (en) * | 2016-04-11 | 2017-10-31 | 浙江辛子精工机械股份有限公司 | One kind is applied to the accurate self-centering chuck of super-huge workpiece |
| CN109604658B (en) * | 2019-01-31 | 2024-05-31 | 广东宏石激光技术股份有限公司 | Double-acting self-centering device of four-jaw chuck |
-
2020
- 2020-07-28 CN CN202010747748.3A patent/CN111730082B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212704432U (en) * | 2020-07-28 | 2021-03-16 | 东莞市百级激光科技有限公司 | Pneumatic automatic locking chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111730082A (en) | 2020-10-02 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210818 Address after: 422915 No. 19, group 16, Wujia village, longxipu Town, Xinshao County, Shaoyang City, Hunan Province Applicant after: Li Zhiwei Address before: Room 104, building 1, 1096 Lianhu Road, Qiaotou town, Dongguan City, Guangdong Province, 523000 Applicant before: Dongguan Baiji Laser Technology Co.,Ltd. |
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