CN117655959B - Air supply clamping mechanism for rotating shaft - Google Patents
Air supply clamping mechanism for rotating shaft Download PDFInfo
- Publication number
- CN117655959B CN117655959B CN202410128789.2A CN202410128789A CN117655959B CN 117655959 B CN117655959 B CN 117655959B CN 202410128789 A CN202410128789 A CN 202410128789A CN 117655959 B CN117655959 B CN 117655959B
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- rotating shaft
- air
- rotation axis
- lifting block
- lifting
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention provides a rotating shaft air supply clamping mechanism, and belongs to the technical field of machine manufacturing. The clamping mechanism solves the problems that when the existing clamping mechanism is used on rotating mechanisms such as a turntable and the like, in order to keep smooth supply of the air channel, standard air channel slip rings are required to be purchased, the cost is high, the size is large, the design of non-standard structures is not facilitated, and the whole set of air channel slip rings are required to be replaced when sealing pieces are damaged. The motor shaft of its motor passes through shaft coupling drive rotation axis, is provided with the inflation inlet on the rotation axis, and the rotation axis is cavity, and inflation inlet and the cavity part UNICOM of rotation axis, the cavity part end and the cylinder inlet end UNICOM of rotation axis, and the cylinder other end connects gradually lifting base and lifting block, and lifting block the place ahead is fixed with the clamp splice, and lifting block and clamp splice clamp work piece. The invention is simple and stable, the accessory replacement is simple and convenient, and the invention is not influenced by the rotating speed.
Description
Technical Field
The invention belongs to the technical field of machine manufacturing, and particularly relates to a rotating shaft air supply clamping mechanism.
Background
When the existing clamping mechanism is required to be used on rotating mechanisms such as a turntable, in order to keep the supply of the air channel smooth, standard air channel slip rings are required to be purchased, the cost is high, the size is large, the design of a nonstandard structure is not facilitated, and the whole set of air channel slip rings are required to be replaced when a sealing piece is damaged.
Disclosure of Invention
In view of this, the present invention proposes a rotary shaft air supply clamping mechanism for solving the above-mentioned technical problems in the background art, which can be used on a rotary mechanism such as a turntable, and by which the air path can be kept smooth on a workbench rotating at a high speed, for example, when the tool is required to ensure enough clamping force during rotation during spin welding. The mechanism ensures that the tool can ensure stable clamping force brought by stable air pressure supply at any angle through the annular air passage.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a rotation axis air feed clamping mechanism, includes motor shaft, shaft coupling, rotation axis, inflation inlet, cylinder, lifting base, lifting block and clamp splice, the motor shaft of motor passes through the shaft coupling drive rotation axis, be provided with the inflation inlet on the rotation axis, the rotation axis is hollow, inflation inlet and the cavity part UNICOM of rotation axis, the cavity part end and the cylinder end intercommunication that admits air of rotation axis, the cylinder other end connects gradually lifting base and lifting block, lifting block the place ahead is fixed with the clamp splice, lifting block and clamp splice clamp work piece.
Further, a cylinder base is arranged between the rotating shaft and the cylinder, and the cylinder is fixed on the cylinder base.
Further, a sealing ring is clamped between the rotating shaft and the cylinder base.
Further, the motor shaft drives the rotating shaft to rotate, and the rotating shaft drives the lifting block, the clamping block and the clamped workpiece to rotate together.
Compared with the prior art, the rotating shaft air supply clamping mechanism has the beneficial effects that:
(1) The mechanism has simple and stable structure, simple and convenient accessory replacement and no influence of rotating speed.
(2) The conventional gas slip ring in the prior art needs to be integrally replaced when the service life reaches the limit, the structure only needs to replace a sealing element, and the whole occupied space of the mechanism is extremely small, so that the gas slip ring is suitable for various rotating mechanisms with narrow spaces.
(3) The invention can save equipment space, and the air path is formed by the self-made rotating shaft and the common sealing piece, so that the tool can still have uninterrupted compressed air supply in high-speed rotation, the problem of winding of the air pipe is not worried, and when the sealing piece is worn and leaked due to long-time working, the independent sealing piece can be replaced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a perspective view of a rotary shaft air supply clamping mechanism provided by the invention;
FIG. 2 is a cross-sectional view of a rotary shaft air supply clamping mechanism provided by the invention;
in the figure: the device comprises a motor shaft 1, a coupling 2, a rotating shaft 3, a sealing ring 4, a cylinder base 5, an inflation inlet 6, a cylinder 7, a lifting base 8, a table top 9, a lifting block 10, a workpiece 11, a gas flow direction 12, a guide bearing 13, a clamping block 14, a guide sleeve 15 and a sealing ring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that, in the case of no conflict, embodiments of the present invention and features of the embodiments may be combined with each other, and the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2 for describing the present embodiment, a rotary shaft air supply clamping mechanism includes a motor shaft 1, a coupling 2, a rotary shaft 3, an air charging port 6, an air cylinder 7, a lifting base 8, a lifting block 10 and a clamping block 14, wherein the rotary shaft 3 is driven by the motor shaft 1 of the motor through the coupling 2, the air charging port 6 is arranged on the rotary shaft 3, the rotary shaft 3 is hollow, the air charging port 6 is communicated with the hollow part of the rotary shaft 3, the end of the hollow part of the rotary shaft 3 is communicated with the air inlet end of the air cylinder 7, the other end of the air cylinder 7 is sequentially connected with the lifting base 8 and the lifting block 10, the clamping block 14 is fixed in front of the lifting block 10, and the lifting block 10 and the clamping block 14 clamp a workpiece 11.
A cylinder base 5 is arranged between the rotating shaft 3 and the cylinder 7, and the cylinder 7 is fixed on the cylinder base 5.
The motor drives the rotating shaft 3 to drive the air cylinder 7 and the lifting base 8 to rotate through the coupler 2, the air pipe is connected to the air charging port 6, and compressed air completely enters the hollow air passage of the rotating shaft 3 due to the wrapping of the sealing ring 4. A sealing ring 4 is clamped between the rotating shaft 3 and the cylinder base 5, so that compressed air can directly enter the bottom of the cylinder to supply air for the cylinder 7, the cylinder 7 stretches out to drive a lifting block 10 to lift, and the lifting block and a fixed clamping block 14 clamp and fix a workpiece 11. When the motor drives the workpiece 11 to rotate, the air circuit can supply air to the air cylinder 7 all the time, and stable clamping force is maintained.
The mechanism is inflated through the inflation inlet 6, and gas flows to the bottom of the cylinder along the air path of the hollow part of the rotating shaft 3 due to the wrapping of the sealing ring 4, so that the cylinder 7 stretches out to drive the lifting block 10 to lift up, and the lifting block and the fixed clamping block 14 clamp and fix the workpiece 11 together.
The motor shaft 1 drives the rotating shaft 3 to rotate, and the rotating shaft 3 drives the lifting block 10, the clamping block 14 and the clamped workpiece 11 to rotate together.
The deck plate 9 is a welding deck plate of the turntable. The guide sleeve 15 is fixedly connected with the table top plate 9, the sealing ring 16 is connected with the guide sleeve 15, and the guide sleeve 15 is sleeved on the periphery of the rotating shaft 3 to play a guiding role for the rotating shaft 3. A guide bearing 13 is provided between the guide sleeve 15 and the rotary shaft 3.
The air charging port 6 is arranged on the guide sleeve 15, the guide sleeve 15 is connected with the table panel 9 and does not rotate, the sealing ring 16 is provided with a plurality of sections of rotary air grooves to form an annular air passage, and when the workpiece rotates, the air passage on the air flow direction 12 can be always supplied by the air flow of the annular air passage.
The mechanism is used for the rotary welding project at present, can weld a circle of workpieces by 360 degrees, and can maintain stable clamping force on the workpieces while welding.
For products with different volumes and shapes, the positions of the pressed products can be changed by changing different clamping blocks, and other new products can be welded after the welding points are avoided.
For other requirements requiring rotary machining and ensuring stable clamping of the product, the structure can be used.
The mechanism consists of a part of machined parts matched with common standard components.
The embodiments of the invention disclosed above are intended only to help illustrate the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (2)
1. A rotation axis air feed clamping mechanism which characterized in that: the lifting device comprises a motor shaft (1), a coupler (2), a rotating shaft (3), an inflation inlet (6), an air cylinder (7), a lifting base (8), a lifting block (10) and a clamping block (14), wherein the motor shaft (1) of the motor drives the rotating shaft (3) through the coupler (2), the rotating shaft (3) is provided with the inflation inlet (6), the rotating shaft (3) is hollow, the inflation inlet (6) is communicated with the hollow part of the rotating shaft (3), the end head of the hollow part of the rotating shaft (3) is communicated with the air inlet end of the air cylinder (7), the other end of the air cylinder (7) is sequentially connected with the lifting base (8) and the lifting block (10), the clamping block (14) is fixed in front of the lifting block (10), and the lifting block (10) and the clamping block (14) clamp a workpiece (11);
a sealing ring (4) is clamped between the rotating shaft (3) and the cylinder base (5);
The motor shaft (1) drives the rotating shaft (3) to rotate, and the rotating shaft (3) drives the lifting block (10), the clamping block (14) and the clamped workpiece (11) to rotate together;
The guide sleeve (15) is fixedly connected with the table panel (9), the sealing ring (16) is connected with the guide sleeve (15), the guide sleeve (15) is sleeved on the periphery of the rotating shaft (3) to play a guide role for the rotating shaft (3), and a guide bearing (13) is arranged between the guide sleeve (15) and the rotating shaft (3);
The air charging port (6) is arranged on the guide sleeve (15), the guide sleeve (15) is connected with the table panel (9) and does not rotate, the sealing ring (16) is provided with a plurality of sections of rotary air grooves to form an annular air passage, and when the workpiece rotates, the air passage on the air flow direction (12) can be always supplied by the air flow of the annular air passage.
2. The rotary shaft air supply clamping mechanism of claim 1, wherein: an air cylinder base (5) is arranged between the rotating shaft (3) and the air cylinder (7), and the air cylinder (7) is fixed on the air cylinder base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410128789.2A CN117655959B (en) | 2024-01-31 | 2024-01-31 | Air supply clamping mechanism for rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410128789.2A CN117655959B (en) | 2024-01-31 | 2024-01-31 | Air supply clamping mechanism for rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117655959A CN117655959A (en) | 2024-03-08 |
| CN117655959B true CN117655959B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410128789.2A Active CN117655959B (en) | 2024-01-31 | 2024-01-31 | Air supply clamping mechanism for rotating shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN117655959B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208409900U (en) * | 2018-06-13 | 2019-01-22 | 儒拉玛特自动化技术(苏州)有限公司 | Rotate clamp system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB571319A (en) * | 1943-11-30 | 1945-08-20 | Broom & Wade Ltd | Improvements in or relating to engines having rotary cylinders |
| US7220365B2 (en) * | 2001-08-13 | 2007-05-22 | New Qu Energy Ltd. | Devices using a medium having a high heat transfer rate |
| CN202412244U (en) * | 2012-01-06 | 2012-09-05 | 临海市万宏机电配件厂 | Rotary disc compressed air source conversion device |
| CN207494980U (en) * | 2017-11-27 | 2018-06-15 | 北京精雕科技集团有限公司 | A kind of angle positioning clamping device of rotating shaft |
| CN208556810U (en) * | 2018-07-03 | 2019-03-01 | 南京金城三国机械电子有限公司 | A kind of double gas circuit clamping devices of numerically controlled lathe |
| CN212095079U (en) * | 2020-04-22 | 2020-12-08 | 长春维斯科技有限公司 | Multifunctional rotary welding operation table |
| CN112846930B (en) * | 2020-12-31 | 2022-03-15 | 浙江震环数控机床股份有限公司 | Numerical control machine tool |
| CN114162679A (en) * | 2021-07-14 | 2022-03-11 | 河南印都数码科技有限公司 | Pneumatic clamping and rotary winding device for scroll after sewing and bobbin making |
| CN216940104U (en) * | 2022-04-01 | 2022-07-12 | 江苏工大金凯高端装备制造有限公司 | Clamping grinding spindle structure |
| CN114986035A (en) * | 2022-06-30 | 2022-09-02 | 中国核工业第五建设有限公司 | Pipeline clamping device and pipeline welding system |
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- 2024-01-31 CN CN202410128789.2A patent/CN117655959B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208409900U (en) * | 2018-06-13 | 2019-01-22 | 儒拉玛特自动化技术(苏州)有限公司 | Rotate clamp system |
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| Publication number | Publication date |
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| CN117655959A (en) | 2024-03-08 |
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Address after: No. 845 Beizhan Street, Beihu Science and Technology Development Zone, Changchun City, Jilin Province, 130102 Patentee after: Jilin Huayu Intelligent Automation Co.,Ltd. Country or region after: China Address before: Room 706, Room H1-605, Industrial Phase III, Beihu Science and Technology Park, No. 3333 Shengbei Street, Beihu Science and Technology Development Zone, Changchun City, Jilin Province, 130102 Patentee before: Jilin Huayu Intelligent Automation Co.,Ltd. Country or region before: China |