CN110757183B - Double-layer elastic sheet clamp - Google Patents
Double-layer elastic sheet clamp Download PDFInfo
- Publication number
- CN110757183B CN110757183B CN201911177412.1A CN201911177412A CN110757183B CN 110757183 B CN110757183 B CN 110757183B CN 201911177412 A CN201911177412 A CN 201911177412A CN 110757183 B CN110757183 B CN 110757183B
- Authority
- CN
- China
- Prior art keywords
- spring piece
- clamp
- double
- rotating shaft
- end cover
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 7
- 239000010720 hydraulic oil Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002035 prolonged 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a double-layer elastic piece clamp which comprises a clamping mechanism, wherein the clamping mechanism is fixedly connected with a rotating shaft through a screw, the clamping mechanism comprises a double-layer spring piece, when a five-axis swinging head moves to a proper position, a motor of the rotating shaft stops rotating and brakes the rotating shaft, then hydraulic oil pushes a hydraulic top ring to move and apply force to the double-layer spring piece, and meanwhile, the clamp applies reaction force to the double-layer spring piece to generate larger friction force to act on the rotating shaft, so that the rotating shaft cannot rotate due to larger cutting force during processing; when the cutting at the position is finished, the oil supply is stopped, the hydraulic top ring is reset and the double-layer spring piece is loosened by the deformation recovery force of the reset spring and the double-layer spring piece, and the motor drives the rotating shaft to rotate to adjust the position of the cutter to process the next position conveniently.
Description
Technical Field
The invention relates to the technical field of milling, in particular to a double-layer elastic sheet clamp.
Background
The five-axis swinging head is a device for controlling two axial rotations of a cutter in a five-axis machine tool, is a key component of the five-axis machine tool, is used for adjusting the angle of the cutter in the machining process, and is provided with a clamping mechanism for clamping the rotating shaft in order to ensure that the two rotating shafts do not change after the angles are adjusted, so that the five-axis swinging head is ensured not to rotate due to interference of larger cutting force in the whole machining process, and the cutting stability and the machining accuracy of the cutter are improved.
Most of the existing clamping mechanisms of the five-axis swinging head are produced abroad, the pneumatic inner clamping type is mainly adopted, the metal sheet is elastically deformed by compressed air, and then the rotating shaft is clamped tightly, the inner clamping type depends on elastic deformation, the reliability and the clamping effect are poor, the pneumatic type volume is large, the size of the clamping mechanism is also large, the flexible rotation of the five-axis swinging head is not facilitated, and the defects of high cost, small clamping force, difficult accurate control of the clamping force and the like exist.
Disclosure of Invention
The invention aims to provide a double-layer elastic sheet clamp, which is used for solving the problems in the prior art, ensuring that a five-axis swing head cannot rotate due to interference of larger cutting force in the whole machining process, reducing the rejection rate of machining and improving the machining precision.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a double-layer spring plate clamp, which comprises a clamping mechanism, wherein the clamping mechanism is fixedly connected with a rotating shaft through a screw, the clamping mechanism comprises a double-layer spring plate, a spring plate positioning ring and a spring plate end cover, the upper side and the lower side of one end of the double-layer spring plate are respectively provided with the spring plate end cover and the spring plate positioning ring, the spring plate positioning ring is fixedly connected through the screw, the spring plate positioning ring is connected with a clamp through a bearing, the bearing is fixed through the bearing end cover, the bearing end cover is fixed on the clamp through an end cover screw, the clamp is fixedly connected with a machine body through a machine body screw, the clamp comprises a clamp end cover and a clamp shell, an oil duct is arranged on the clamp shell, the clamp shell is fixedly connected with the clamp end cover through the screw, the locating pin is installed on the hydraulic top ring, the hydraulic top ring is installed on the clamp casing, the sealing washer is equipped with between hydraulic top ring and the clamp casing.
Preferably, the double-layer spring plate comprises an upper spring plate and a lower spring plate.
Preferably, the upper spring plate is made of cast iron, the lower spring plate is made of steel, and the upper spring plate and the lower spring plate are both provided with force unloading holes.
Compared with the prior art, the invention has the following technical effects:
1. after the position is machined, the reset spring and the double-layer spring piece can realize the reset of the hydraulic top ring, the structure is simple, and additional control is not needed.
2. The double-layer spring piece adopts the spring pieces made of two different materials, and compared with the spring piece made of a single material, the double-layer spring piece has more excellent comprehensive performance, is thinner, is easier to elastically deform and is not easy to damage.
3. The spring plate is provided with a force-releasing hole, so that the stress concentration is reduced, and the service life of the spring plate is prolonged.
Drawings
FIG. 1 is a partial cross-sectional view of a double-layer clip;
FIG. 2 is a three-dimensional cross-sectional view of a double-layer clip;
FIG. 3 is a cross-sectional view of a double-layer clip clamp;
FIG. 4 is a three-dimensional view of a double-layer clip;
FIG. 5 is a three-dimensional view of a spring plate;
FIG. 6 is a three-dimensional view of a five-axis yaw;
description of reference numerals: 1. the hydraulic clamp comprises a machine body screw, 2 parts of a clamp end cover, 3 parts of a positioning pin, 4 parts of a return spring, 5 parts of an upper spring sheet, 6 parts of a sealing ring, 7 parts of a hydraulic top ring, 8 parts of a clamp shell, 801 parts of an oil duct, 9 parts of a bearing end cover, 10 parts of an end cover screw, 11 parts of a bearing, 12 parts of a spring sheet positioning ring, 13 parts of a lower spring sheet, 14 parts of a spring sheet end cover, 15 parts of a machine body, 16 parts of a rotating shaft and 17 parts of a double.
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.
The invention provides a double-layer clip, which comprises a clamping mechanism, wherein the clamping mechanism is fixedly connected with a rotating shaft (16) through a screw, the clamping mechanism comprises a double-layer spring piece, a spring piece positioning ring (12) and a spring piece end cover (14), the upper side and the lower side of one end of the double-layer spring piece are respectively provided with the spring piece end cover (14) and the spring piece positioning ring (12), the spring piece positioning ring (12) is fixedly connected through the screw, the spring piece positioning ring (12) is connected with a clip through a bearing (11), the bearing (11) is fixed through a bearing end cover (9), the bearing end cover (9) is fixed on the clip through an end cover screw (10), the clip is fixedly connected with a clip body (15) through a clip body screw (1), the clip comprises a clip end cover (2) and a clip shell (8), an oil duct (, the clamp is characterized in that the clamp shell (8) is fixedly connected with the clamp end cover (2) through a machine body screw (1), a reset spring (4) is installed on the clamp end cover (2), the reset spring (4) is sleeved on a positioning pin (3), the positioning pin (3) is installed on a hydraulic top ring (7), the hydraulic top ring (7) is installed on the clamp shell (8), and a sealing ring (6) is installed between the hydraulic top ring (7) and the clamp shell (8).
Specifically, the double-layer spring piece comprises an upper spring piece (5) and a lower spring piece (13).
More specifically, the upper spring piece (5) is made of cast iron, the lower spring piece (13) is made of steel, and the upper spring piece (5) and the lower spring piece (13) are both provided with force unloading holes.
When the five-axis swing head moves to a proper position, the motor of the rotating shaft (16) stops rotating and brakes the rotating shaft (16), hydraulic oil enters from an oil duct (801) of the clamp shell (8), the hydraulic top ring (7) is pushed, the hydraulic top ring (7) rises from the bottom in the clamp shell (8) and pushes the double-layer spring pieces, the upper spring pieces (5) and the lower spring pieces (13) are deformed, the double-layer spring pieces are in contact with the clamp end cover (2) and generate friction, and the clamping mechanism is fixedly connected with the rotating shaft (16) through screws, so that the generated friction force clamps the rotating shaft (16), and the rotating shaft (16) cannot rotate slightly due to large cutting force in the machining process. After the machining of the position is finished, the oil duct (801) stops supplying oil, the double-layer spring piece and the reset spring (4) push the hydraulic top ring (5) to descend after no hydraulic pressure exists, the hydraulic top ring (5) is reset, the double-layer spring piece is loosened, and the motor can drive the rotating shaft (16) to adjust the position of the cutter to machine the next position conveniently.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (1)
1. The utility model provides a double-deck shell fragment clamp which characterized in that: the clamp comprises a clamping mechanism, the clamping mechanism is fixedly connected with a rotating shaft through screws, the clamping mechanism comprises a double-layer spring piece, a spring piece positioning ring and a spring piece end cover, the upper side and the lower side of one end of the double-layer spring piece are respectively provided with the spring piece end cover and the spring piece positioning ring which are fixedly connected through screws, the spring piece positioning ring is connected with a clamp through a bearing, the bearing is fixed through the bearing end cover, the bearing end cover is fixed on the clamp through an end cover screw, the clamp is fixedly connected with a machine body through a machine body screw, the clamp comprises a clamp end cover and a clamp shell, an oil duct is arranged on the clamp shell, the clamp shell is fixedly connected with the clamp end cover through a screw, a reset spring is arranged on the clamp end cover, the reset spring is sleeved, the hydraulic top ring is arranged on the clamp shell, and a sealing ring is arranged between the hydraulic top ring and the clamp shell;
the double-layer spring piece comprises an upper spring piece and a lower spring piece;
the upper spring piece is made of cast iron, the lower spring piece is made of steel, and the upper spring piece and the lower spring piece are both provided with force unloading holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177412.1A CN110757183B (en) | 2019-11-27 | 2019-11-27 | Double-layer elastic sheet clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177412.1A CN110757183B (en) | 2019-11-27 | 2019-11-27 | Double-layer elastic sheet clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110757183A CN110757183A (en) | 2020-02-07 |
| CN110757183B true CN110757183B (en) | 2020-12-08 |
Family
ID=69339591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911177412.1A Expired - Fee Related CN110757183B (en) | 2019-11-27 | 2019-11-27 | Double-layer elastic sheet clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110757183B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555887B (en) * | 2022-09-20 | 2023-05-30 | 上海诺倬力机电科技有限公司 | Hydraulic clamping mechanism, hydraulic clamping system and five-axis clamping system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004034222A (en) * | 2002-07-03 | 2004-02-05 | Mitsubishi Heavy Ind Ltd | Main spindle unit and method for controlling preload |
| CN201354820Y (en) * | 2008-12-29 | 2009-12-02 | 河北百吉汽车配件有限公司 | Double-layer high-strength wear resistant brake pad |
| CN102699691A (en) * | 2012-06-07 | 2012-10-03 | 天津第一机床总厂 | Precision numerical control rotary workbench |
| CN203304990U (en) * | 2013-05-16 | 2013-11-27 | 亘隆国际精机股份有限公司 | Dividing plate |
| CN205629976U (en) * | 2016-04-28 | 2016-10-12 | 广州市昊志机电股份有限公司 | Rotary worktable's brake mechanism |
| CN208556721U (en) * | 2017-11-15 | 2019-03-01 | 惠州市速锋科技有限公司 | Numerical control rotating platform clamping device |
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft braking system |
-
2019
- 2019-11-27 CN CN201911177412.1A patent/CN110757183B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN110757183A (en) | 2020-02-07 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |