CN209614308U - A kind of double acting Self-centering device of chuck - Google Patents
A kind of double acting Self-centering device of chuck Download PDFInfo
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- CN209614308U CN209614308U CN201920171526.4U CN201920171526U CN209614308U CN 209614308 U CN209614308 U CN 209614308U CN 201920171526 U CN201920171526 U CN 201920171526U CN 209614308 U CN209614308 U CN 209614308U
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Abstract
The utility model provides a kind of double acting Self-centering device of chuck, including including rotary chuck ontology, four supportive bodies are angularly fixedly installed on the rotary chuck ontology, it is provided with clamping component, rocker assembly and cylinder on each supportive body, is fixedly installed gear on the rocking bar；Internal gear and outer tooth ring are provided on the rotary chuck ontology, the internal gear and outer tooth ring can be rotated relative to the supportive body, wherein one group of opposite gear is engaged with the internal gear, the opposite gear of another set is engaged with the outer tooth ring；One group of opposite claw synchronous self-centering is enabled to clamp and open using Principles of Gear Connection, mutual synchronization accuracy is controlled by the cooperation between gear, and the accuracy of gear is higher, and synchronous precision is also higher, and only two-stage is transmitted, and cumulative errors are small.
Description
Technical field
The utility model relates to laser cutting device field more particularly to a kind of double acting Self-centering devices of chuck.
Background technique
The double acting self contering structure of chuck has that clamping stroke range is small currently on the market.Accomplish to clamp stroke
When big, the precision of chuck is not generally high, this is all since the synchronous adjective-centre structure of pairs of claw (upper under, left and right) exists
Multistage transmitting causes error accumulation to generate.
Utility model content
To solve the above problems, the utility model is on rotary chuck ontology by being arranged internal gear and outer tooth ring, in pairs
Gear engaged respectively with the internal gear and outer tooth ring, to be implemented as the synchronous self-centering to claw, and synchronization structure
Transmitting is few, when clamping stroke is big, improves synchronous clamping accuracy, concrete scheme is as follows:
A kind of double acting Self-centering device of chuck, including rotary chuck ontology, the isogonism on the rotary chuck ontology
Degree is fixedly installed the first supportive body, the second supportive body, third supportive body and the 4th supportive body；Each described
Clamping component and rocker assembly are provided on supportive body；The rocker assembly includes rocking bar, gear and sliding block compression bar, each
Gear and sliding block compression bar are fixedly installed on the rocking bar；The double acting Self-centering device of chuck further include the first cylinder and
Second cylinder；Each clamping component is fixedly connected with the corresponding supportive body, each rocking bar and the support
Main body is hinged；The sliding block compression bar of each rocking bar is drivingly connected with the corresponding clamping component sliding；At described first
Be provided with the first cylinder between support main body and the second supportive body, second supportive body and the third supportive body it
Between be provided with the second cylinder, first cylinder and first supportive body are hinged, the push rod of first cylinder with it is described
Rocking bar on second supportive body is hinged, and second cylinder and second supportive body are hinged, and second cylinder pushes away
Bar and the rocking bar on the third supportive body are hinged；It is provided with internal gear and outer tooth ring on the rotary chuck ontology, it is described
Internal gear and outer tooth ring can be rotated relative to the supportive body, wherein one group of opposite gear is engaged with the internal gear, separately
Outer one group of opposite gear is engaged with the outer tooth ring；Claw, the clamping component energy are fixedly installed in the clamping component
Enough relatively described supportive body slidings.
Be arranged sliding block compression bar so that the sliding block compression bar rocking bar rotate when and then rotate, the sliding block compression bar with it is described
Sliding block sliding is drivingly connected, and is slided on guide rail so that sliding block compression bar will drive sliding block when rotating, so that being changed into directly by rotation
Line movement, so that structure is simpler, assembly is more convenient, easy, improves assembly efficiency.
When chuck needs to clamp, the first cylinder activity and second cylinder activity, first cylinder and institute
The push rod for stating the second cylinder stretches out, so that the rocking bar rotation on second supportive body and on third supportive body is driven, by
In sliding block compression bar and clamping component sliding drive connection on the rocker assembly, so the clamping component can be slided
It is dynamic；Since the gear is fixedly connected with the rocking bar, and wherein, one group of opposite gear is engaged with the internal gear, in addition
One group of opposite gear is engaged with the outer tooth ring, so, when first cylinder push rod stretch out when, the second supportive body and
Clamping component on 4th supportive body can be slided simultaneously；When the push rod of second cylinder stretches out, third supportive body
It can be slided simultaneously with the clamping component on the first supportive body；So the activity simultaneously of first cylinder and the second cylinder, from
And realize double acting self-centering, clamped tubing is clamped.When the chuck needs to unclamp, first cylinder and the second cylinder
The push rod of activity, first cylinder and two cylinders is withdrawn, so that clamped tubing be unclamped.
Preferably, the clamping component includes guide rail, sliding block, and the sliding block and sliding block compression bar sliding are drivingly connected,
The guide rail is fixedly connected with the supportive body, and the claw is fixedly connected with the sliding block, and the sliding block can be described
It is slided on guide rail.
It is slided in guide rail by sliding block, so that the sliding of clamping component is more smooth, it is double acting self-centering to improve chuck
The precision of device.
The double acting Self-centering device of chuck further includes third cylinder and the 4th cylinder, the third cylinder with it is described
Third supportive body is hinged, and the push rod of the third cylinder and the rocking bar on the third supportive body are hinged；4th gas
Cylinder and the 4th supportive body are hinged, and the push rod and the rocking bar on first supportive body of the 4th cylinder are hinged.
Preferably, the gear is sector gear.Gear described in the utility model does not need the rotation of whole circle, so will
The gear, which is arranged to fan-shaped gear, can save assembly space, save material.
Preferably, the rocking bar and the supportive body are hinged by rolling bearing.The rocking bar and the supportive body
It is to control the hinge gap of rocking bar and the supportive body by the hinged purpose of rolling bearing, chuck is double acting makes by oneself for raising
The clamping accuracy of center device.
Preferably, the internal gear, the outer tooth ring are connect with the supportive body by sliding bearing, so, so that
The movement of the internal gear and the outer tooth ring is more stable.
The utility model has the following beneficial effects:
One group of opposite rocking bar is cooperated by gear and the internal gear, another set rocking bar by gear with it is described
Outer tooth ring is cooperated, and so that one group of opposite rocking bar is moved at the same time driving sliding block using Principles of Gear Connection, is reached opposite one
Group claw can synchronous self-centering clamp and open, mutual synchronization accuracy controls by the cooperation between gear, the accuracy of gear
Higher, synchronous precision is also higher, and only two-stage is transmitted, and cumulative errors are small.
Detailed description of the invention
Fig. 1 is a kind of plan view of the double acting Self-centering device of chuck of the utility model；
Fig. 2 is that a kind of double acting Self-centering device of chuck of the utility model removes the plan view after rotary chuck ontology；
Fig. 3 is a kind of perspective view of the double acting Self-centering device of chuck of the utility model.
The technical characteristic that each appended drawing reference is referred in figure is as follows:
1, rotary chuck ontology；2, supportive body；2.1 first supportive bodies；2.2 second supportive bodies；The support of 2.3 thirds
Main body；2.4 the 4th supportive bodies；3, rocking bar；4, the first cylinder；5, guide rail；6, sliding block；7, claw；8, sliding block compression bar；9, internal tooth
Ring；10, outer tooth ring；11, gear；12, the second cylinder；13, third cylinder；14, the 4th cylinder.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
Embodiment one:
As shown in Figure 1, a kind of double acting Self-centering device of chuck, including rotary chuck ontology 1, in the rotary chuck
Four supportive bodies 2, respectively the first supportive body 2.1, the second supportive body 2.2, are angularly fixedly installed on ontology 1
Three supportive bodies 2.3, the 4th supportive body 2.4；Clamping component, rocker assembly are provided on each supportive body 2, it is described to shake
Bar assembly includes rocking bar, gear and sliding block compression bar, and the gear is fixedly connected by two screws with the rocking bar, so that connection
It is more firm；The clamping component is fixedly connected with the supportive body 2, and the rocking bar 3 and the supportive body 2 are hinged, at this
In embodiment, the rocking bar 3 is hinged by rolling bearing with the supportive body 2, and the rocking bar 3 and the supportive body 2 are logical
Crossing the hinged purpose of rolling bearing is to control the hinge gap of rocking bar 3 and the supportive body 2, and chuck is double acting makes by oneself for raising
The clamping accuracy of center device.The double acting Self-centering device of chuck further includes the first cylinder 4 and the second cylinder 12, described
The first cylinder 4 is provided between first supportive body 2.1 and the second supportive body 2.2, in second supportive body 2.2 and institute
It states and is provided with the second cylinder 12 between third supportive body 2.3, first cylinder 4 and first support 2.1 are hinged, described
The push rod of first cylinder 4 and the rocker assembly on second supportive body 2.2 are hinged, second cylinder 12 and described second
Supportive body 2.2 is hinged, and the push rod of second cylinder 12 and the rocker assembly on the third supportive body 2.3 are hinged；
In the present embodiment, as shown in Fig. 2, the clamping component includes guide rail 5, sliding block 6, the sliding block 6 and the cunning
The sliding of block compression bar is drivingly connected, and the guide rail 5 is fixedly connected with the supportive body 2, and the claw 7 and the sliding block 6 are fixed
Connection, the sliding block 6 can slide on the guide rail 5.It is slided in guide rail 5 by sliding block 6, so that the sliding of clamping component
It is more smooth, improve the precision of the double acting Self-centering device of chuck.Sliding block compression bar 8 is set, so that the sliding block compression bar 8 is in rocking bar
It is and then rotated when 3 rotation, the sliding block compression bar 8 is drivingly connected with the sliding block 6 sliding, so that sliding block compression bar 8 can band when rotating
Movable slider 6 slides on guide rail 5, so that being changed into linear motion by rotation, so that structure is simpler, assembly is more convenient, easy,
Improve assembly efficiency.
As shown in figure 3, being fixedly installed gear 11 on the rocking bar 3, it is provided on the rotary chuck ontology 1 interior
Ring gear 9 and outer tooth ring 10, the internal gear 9 can be rotated with outer tooth ring 10 relative to the supportive body 2, due in each support
Gear 11 is provided in main body 2, four gears 11 are opposite two-by-two, wherein one group of opposite gear 11 and the internal gear
9 engagements, the opposite gear 11 of another set are engaged with the outer tooth ring 10.
When chuck needs to clamp, the first cylinder activity and second cylinder activity, first cylinder and institute
The push rod for stating the second cylinder stretches out, so that the rocking bar rotation on second supportive body and on third supportive body is driven, by
In sliding block compression bar and clamping component sliding drive connection on the rocker assembly, so the clamping component can be slided
It is dynamic；Since the gear is fixedly connected with the rocking bar, and wherein, one group of opposite gear is engaged with the internal gear, in addition
One group of opposite gear is engaged with the outer tooth ring, so, when first cylinder push rod stretch out when, the second supportive body and
Clamping component on 4th supportive body can be slided simultaneously；When the push rod of second cylinder stretches out, third supportive body
It can be slided simultaneously with the clamping component on the first supportive body；So the activity simultaneously of first cylinder and the second cylinder, from
And realize double acting self-centering, clamped tubing is clamped.When the chuck needs to unclamp, first cylinder and the second cylinder
The push rod of activity, first cylinder and two cylinders is withdrawn, so that clamped tubing be unclamped.
Preferably, the gear is sector gear.Gear described in the utility model does not need the rotation of whole circle, so will
The gear, which is arranged to fan-shaped gear, can save assembly space, save material.And the internal gear 9, the outer tooth ring
10 are connect with the supportive body 2 by sliding bearing, so, so that the movement of the internal gear 9 and the outer tooth ring 10 is more
Steadily.
Embodiment two:
The double acting Self-centering device of chuck further includes third cylinder 13 and the 4th cylinder 14, the third cylinder 13
Hinged with the third supportive body 2.3, the rocking bar on the push rod of the third cylinder 13 and the third supportive body 2.3 is cut with scissors
It connects；4th cylinder 14 and the 4th supportive body 2.4 are hinged, the push rod of the 4th cylinder 14 and first support
Rocking bar in main body 2.1 is hinged.
In the present invention, one group of opposite rocking bar 3 is cooperated with the internal gear 9 by gear 11, and in addition one
Group rocking bar 3 is cooperated by gear 11 with the outer tooth ring 10, makes one group of opposite rocking bar simultaneously using Principles of Gear Connection
Action drives sliding block, reach opposite one group of claw can synchronous self-centering clamp and open, mutual synchronization accuracy is by gear
Between cooperation control, the accuracy of gear is higher, synchronous precision is also higher, and only two-stage is transmitted, and cumulative errors are small.
It is made with current gear machining technology by 7 class precision gears, the synchronization accuracy of opposite claw controls within 0.05, mentions significantly
The high self-centering precision of chuck.When structure satisfaction clamping stroke is big at present, the high demand of clamping accuracy, and according to phase
The structural adjustment answered can accomplish bigger radius of turn and clamp stroke.
This structure also can use to be needed to clamp on tubing felt relieved in tubular object extruding equipment, to tubular object extruding range and
Precision is more guaranteed.Simultaneously in laser pipe cutter using upper, the laser cutting process of bigger pipe diameter can satisfy, meet same
The bigger clamping range of sample radius of turn is compared with other chucks, does not need adjustment replacement claw occur to meet one
Determine the processing in range, using upper more flexible convenience, does not need the movement such as disassembling, assembling and replacing, working efficiency is higher.
A kind of embodiment of the double acting Self-centering device of chuck provided by the utility model has been carried out in detail above
It illustrates.Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Illustrate the core concept for being merely used to help understand the utility model.It should be pointed out that for the ordinary skill people of the art
Member for, under the premise of not departing from the principles of the present invention, can with the utility model, some improvement and modification can also be carried out, this
A little improvement and modification are also fallen into the protection scope of the utility model claims.
Claims (6)
1. a kind of double acting Self-centering device of chuck, it is characterised in that: including rotary chuck ontology, in the rotary chuck sheet
The first supportive body, the second supportive body, third supportive body and the 4th supportive body are angularly fixedly installed on body；In
Clamping component and rocker assembly are provided on each supportive body；The rocker assembly includes rocking bar, gear and sliding block
Compression bar is fixedly installed gear and sliding block compression bar on each rocking bar；The double acting Self-centering device of chuck further includes
First cylinder and the second cylinder；Each clamping component is fixedly connected with the corresponding supportive body, each rocking bar
It is hinged with the supportive body；The sliding block compression bar of each rocking bar is drivingly connected with the corresponding clamping component sliding；In
It is provided with the first cylinder between first supportive body and the second supportive body, in second supportive body and the third
The second cylinder is provided between supportive body, first cylinder and first supportive body are hinged, first cylinder
Push rod and the rocking bar on second supportive body are hinged, and second cylinder and second supportive body are hinged, and described
The push rod of two cylinders and the rocking bar on the third supportive body are hinged；Internal gear and outer is provided on the rotary chuck ontology
Ring gear, the internal gear and outer tooth ring can be rotated relative to the supportive body, wherein one group of opposite gear and the internal tooth
Ring engagement, the opposite gear of another set are engaged with the outer tooth ring；Claw, the folder are fixedly installed in the clamping component
Tight component being capable of the relatively described supportive body sliding.
2. the double acting Self-centering device of chuck as described in claim 1, it is characterised in that: the clamping component includes leading
Rail, sliding block, the sliding block and sliding block compression bar sliding are drivingly connected, and the guide rail is fixedly connected with the supportive body, institute
It states claw to be fixedly connected with the sliding block, the sliding block can slide on the guide rail.
3. the double acting Self-centering device of chuck as claimed in claim 2, it is characterised in that: the chuck is double acting to be made by oneself
Center device further includes third cylinder and the 4th cylinder, and the third cylinder and the third supportive body are hinged, the third gas
The push rod of cylinder and the rocking bar on the third supportive body are hinged；4th cylinder and the 4th supportive body are hinged, institute
Push rod and the rocking bar on first supportive body for stating the 4th cylinder are hinged.
4. the double acting Self-centering device of chuck as described in claim 1, it is characterised in that: the gear is sector gear.
5. the double acting Self-centering device of chuck as described in claim 1, it is characterised in that: the rocker assembly and the branch
It is hinged by rolling bearing to support main body.
6. the double acting Self-centering device of chuck as described in claim 1, it is characterised in that: the internal gear, the external tooth
Ring is connect with the supportive body by sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920171526.4U CN209614308U (en) | 2019-01-31 | 2019-01-31 | A kind of double acting Self-centering device of chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920171526.4U CN209614308U (en) | 2019-01-31 | 2019-01-31 | A kind of double acting Self-centering device of chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209614308U true CN209614308U (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920171526.4U Active CN209614308U (en) | 2019-01-31 | 2019-01-31 | A kind of double acting Self-centering device of chuck |
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| Country | Link |
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| CN (1) | CN209614308U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604658A (en) * | 2019-01-31 | 2019-04-12 | 佛山市宏石激光技术有限公司 | A kind of double acting Self-centering device of chuck |
| CN111570835A (en) * | 2020-05-07 | 2020-08-25 | 安徽绪稻康建筑工程咨询有限公司 | Four-side self-adaptive centering chuck applied to numerical control machine tool |
| CN112658468A (en) * | 2021-01-07 | 2021-04-16 | 华中科技大学 | Coordination clamping chuck with V-shaped groove claw head |
| CN117086348A (en) * | 2023-10-16 | 2023-11-21 | 通用技术集团沈阳机床有限责任公司 | Lathe fixture |
-
2019
- 2019-01-31 CN CN201920171526.4U patent/CN209614308U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604658A (en) * | 2019-01-31 | 2019-04-12 | 佛山市宏石激光技术有限公司 | A kind of double acting Self-centering device of chuck |
| 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 |
| CN111570835A (en) * | 2020-05-07 | 2020-08-25 | 安徽绪稻康建筑工程咨询有限公司 | Four-side self-adaptive centering chuck applied to numerical control machine tool |
| CN112658468A (en) * | 2021-01-07 | 2021-04-16 | 华中科技大学 | Coordination clamping chuck with V-shaped groove claw head |
| CN112658468B (en) * | 2021-01-07 | 2022-05-20 | 华中科技大学 | Coordinated clamping chuck with V-shaped groove claw heads |
| CN117086348A (en) * | 2023-10-16 | 2023-11-21 | 通用技术集团沈阳机床有限责任公司 | Lathe fixture |
| CN117086348B (en) * | 2023-10-16 | 2024-03-12 | 通用技术集团沈阳机床有限责任公司 | Lathe fixture |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528311 Beijiao Town, Shunde District, Foshan, Guangdong, Beijiao, 8, two Pearl River Road, industrial park, Patentee after: Guangdong Hongshi Laser Technology Co.,Ltd. Address before: 528311 Beijiao Town, Shunde District, Foshan, Guangdong, Beijiao, 8, two Pearl River Road, industrial park, Patentee before: FOSHAN BEYOND LASER TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528311 No. 4 Anye Road, Shunjiang Community Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Hongshi Laser Technology Co.,Ltd. Address before: 528311 Beijiao Town, Shunde District, Foshan, Guangdong, Beijiao, 8, two Pearl River Road, industrial park, Patentee before: Guangdong Hongshi Laser Technology Co.,Ltd. |