CN215393979U - Flexible clamping device for turning thin-wall deep-cylinder stretching part - Google Patents
Flexible clamping device for turning thin-wall deep-cylinder stretching part Download PDFInfo
- Publication number
- CN215393979U CN215393979U CN202120783892.2U CN202120783892U CN215393979U CN 215393979 U CN215393979 U CN 215393979U CN 202120783892 U CN202120783892 U CN 202120783892U CN 215393979 U CN215393979 U CN 215393979U
- Authority
- CN
- China
- Prior art keywords
- cone body
- guide cone
- pressing plate
- clamping device
- thin
- 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
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a flexible clamping device for turning a thin-wall deep-cylinder stretching part, wherein a pull claw is positioned in a guide cone body, the foot of the pull claw penetrates through a hole formed in the guide cone body and is installed in a matched manner with the guide cone body, a pressing plate is arranged above the guide cone body, a main shaft pull rod is fixedly connected with the pull claw and penetrates through center holes of the pull claw, the guide cone body and the pressing plate and is arranged above the pressing plate, a basic expansion block is attached to the tapered side wall of the guide cone body, a pull claw clamping ring is fixed between the pull claw and the basic expansion block, and through the structural arrangement, the situation that an inner support deforms when a blank inner cavity is irregular is not easy to occur.
Description
Technical Field
The utility model relates to the technical field of clamping devices, in particular to a flexible clamping device for turning a thin-wall deep cylinder stretching part.
Background
In the field of numerical control machining and manufacturing, cutting machining needs to be carried out on a thin-wall deep cylinder stretching part, a main clamp for machining the thin-wall deep cylinder stretching part mainly has two clamping modes, namely an ordinary three-jaw clamping outer circle and an internal supporting part inner circle, the clamping mode of the internal supporting part inner circle is used at present and is the most popular in China, the clamping mode is large and stable in tensioning force, large-area contact with an inner cavity of a blank piece can be guaranteed, the internal supporting deformation is easy when the inner cavity of the blank piece is irregular, the machined size cannot be guaranteed, and the end face or the inner cavity cannot be tightly attached.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible clamping device for turning a thin-wall deep-cylinder stretching part, and aims to solve the technical problems that an inner circle of an inner support part is easy to deform due to inner support when an inner cavity of a blank is irregular, the size after processing cannot be ensured, and the end face or the inner cavity cannot be tightly attached in the clamping mode of the inner support part in the prior art.
In order to achieve the purpose, the utility model adopts a flexible clamping device for turning a thin-wall deep cylinder drawing part, which comprises a guide cone body, a pull claw, a pressing plate, a main shaft pull rod, a basic expansion block, a pull claw clamping ring, a ball plunger supporting block and a ball plunger, wherein the bottom of the guide cone body is cylindrical, the top of the guide cone body is conical, the pull claw is positioned inside the guide cone body, the claw part of the pull claw penetrates through a hole formed in the guide cone body and is matched and installed with the guide cone body, the pressing plate is arranged above the guide cone body, the main shaft pull rod is fixedly connected with the pull claw and penetrates through center holes of the pull claw, the guide cone body and the pressing plate and is arranged above the pressing plate, the basic expansion block is attached to the conical side wall of the guide cone body, and the pull claw clamping ring is arranged between the pull claw and the basic expansion block, the ball plunger supporting block is arranged on the outer side wall of the foundation expansion block, the number of the ball plungers is multiple, and the ball plungers are uniformly arranged on the ball plunger supporting block.
The flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises an end face positioning block, wherein the end face positioning block is fixedly connected with the pressing plate and is positioned above the pressing plate.
The pressing plate is evenly provided with a plurality of ball plungers.
The flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises an anti-rotation pin, and the anti-rotation pin penetrates through a process hole in the part and is fixedly connected with the pressing plate.
The flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises a pressing plate pull rod, wherein the pressing plate pull rod is fixedly connected with the main shaft pull rod and is positioned above the pressing plate.
The flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises a switching flange plate, one end of the switching flange plate is installed at one end of the machine tool spindle, and the other end of the switching flange plate is installed in a matched mode with the guide cone body.
The utility model has the beneficial effects that: when the clamping device is used for internally supporting and clamping a part, the main shaft pull rod is pulled downwards by external force, the main shaft pull rod is fixedly connected with the pull claw, the pull claw moves downwards along with the pull claw, the pull claw clamping ring is fixed between the pull claw and the basic expansion block, the pull claw drives the inner wall of the basic expansion block to move downwards along the tapered side wall of the guide cone body and move along the tapered surface to be enlarged in the radial direction, the ball plunger mounted on the ball plunger supporting block is pushed to be in conflict with the inner wall of the part, the original internally supporting part surface supporting mode is changed into the existing multi-point supporting mode, the spring in the ball plunger is used for adapting to the part profiles with different heights, the high-point supporting and low-point suspension states of the surface supporting mode are avoided, and the internally supporting deformation condition is not easy to occur when the inner cavity of a blank is irregular, the clamping device can be tightly attached to the inner cavity of the part, and the size of the machined part is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural section view of a flexible clamping device for turning a thin-wall deep cylinder drawing part.
The flexible clamping device comprises a 100-thin-wall deep cylinder drawing part turning flexible clamping device, a 1-guide cone body, 2-pulling claws, 3-pressing plates, 4-main shaft pull rods, 5-basic expansion blocks, 6-pulling claw clamping rings, 7-ball plunger supporting blocks, 8-ball plungers, 9-end face positioning blocks, 10-anti-rotation pins, 11-pressing plate pull rods and 12-adapter flange plates.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the utility model provides a flexible clamping device 100 for turning a thin-wall deep-cylinder drawing part, which comprises a guide cone body 1, a pull claw 2, a pressure plate 3, a main shaft pull rod 4, a basic expansion block 5, a pull claw clamping ring 6, a ball plunger supporting block 7 and a ball plunger 8, wherein the bottom of the guide cone body 1 is cylindrical, the top of the guide cone body 1 is conical, the pull claw 2 is positioned inside the guide cone body 1, the claw part of the pull claw 2 penetrates through a hole formed in the guide cone body 1 and is installed in a matching manner with the guide cone body 1, the pressure plate 3 is arranged above the guide cone body 1, the main shaft pull rod 4 is fixedly connected with the pull claw 2 and penetrates through central holes of the pull claw 2, the guide cone body 1 and the pressure plate 3 to be arranged above the pressure plate 3, the basic expansion block 5 is attached to the conical side wall of the guide cone body 1, the pull claw snap ring 6 is arranged between the pull claw 2 and the basic expansion block 5, the ball plunger supporting block 7 is arranged on the outer side wall of the basic expansion block 5, the number of the ball plungers 8 is multiple, and the ball plungers 8 are uniformly arranged on the ball plunger supporting block 7.
In the embodiment, when the clamping device is used for internally supporting and clamping a part, the main shaft pull rod 4 is pulled downwards by external force, the main shaft pull rod 4 is fixedly connected with the pull claw 2, the pull claw 2 moves downwards at the moment, the pull claw snap ring 6 is fixed between the pull claw 2 and the basic expansion block 5, the pull claw 2 drives the inner wall of the basic expansion block 5 to move downwards along the tapered side wall of the guide cone body 1 and move along the tapered surface to be radially enlarged, the ball plunger 8 arranged on the ball plunger supporting block 7 is pushed to be in collision with the inner wall of the part, the original internally supporting part surface supporting mode is changed into the existing multi-point supporting mode, the spring in the ball plunger 8 is used for adapting to the part profiles with different heights of the part, and the high-point support in the surface supporting mode is avoided, the unsettled state of low point through above structure setting for the condition that the internal stay warp is difficult to appear when blank inner chamber is irregular, this clamping device can closely laminate with the part inner chamber, has guaranteed the size after the processing.
Further, the flexible clamping device 100 for turning the thin-wall deep cylinder drawing part further comprises an end face positioning block 9, and the end face positioning block 9 is fixedly connected with the pressing plate 3 and is positioned above the pressing plate 3.
In this embodiment, the end face positioning block 9 is positioned consistently with the end face of the surface of the part, so that the end face positioning of the clamping device is consistent with the end face positioning of the part, and the installation height of the ball plunger 8 is ensured.
Furthermore, a plurality of ball plungers 8 are uniformly arranged on the pressing plate 3.
In this embodiment, the pressing plate 3 is provided with a plurality of ball plungers 8, so that the end face of the clamping device can be attached to the end face of the part through the ball plungers 8, and the end face of the part is supported.
Further, the flexible clamping device 100 for turning the thin-wall deep cylinder drawing part further comprises an anti-rotation pin 10, and the anti-rotation pin 10 penetrates through a fabrication hole on the part to be fixedly connected with the pressing plate 3.
In the present embodiment, the fixing function is performed by providing the above-described rotation preventing pin 10 to the present clamping device.
Further, the flexible clamping device 100 for turning the thin-wall deep cylinder drawing part further comprises a pressure plate pull rod 11, wherein the pressure plate pull rod 11 is fixedly connected with the main shaft pull rod 4 and is positioned above the pressure plate 3.
In this embodiment, the pressing plate pull rod 11 is arranged above the pressing plate 3, so that when the spindle pull rod 4 is pulled downwards by an external force, the pressing plate pull rod 11 is driven to move downwards, the pressing plate pull rod 11 penetrates through the pressing plate 3 and the central hole of the part, the part is pulled downwards when the pressing plate pull rod 11 moves downwards, and the ball plunger 8 on the pressing plate 3 plays a role in supporting the end face of the part.
Further, the flexible clamping device 100 for turning the thin-wall deep cylinder drawing part further comprises a switching flange 12, one end of the switching flange 12 is installed at one end of the machine tool spindle, and the other end of the switching flange is installed in a matching mode with the guide cone body 1.
In this embodiment, through setting up switching ring flange 12 with the cooperation installation of guide cone body 1 makes guide cone body 1 runout is no longer than 0.005mm, has guaranteed this clamping device's stability and machining precision.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (6)
1. A flexible clamping device for turning of a thin-wall deep-cylinder drawing part is characterized by comprising a guide cone body, a pull claw, a pressing plate, a main shaft pull rod, a basic expansion block, a pull claw clamping ring, a ball plunger supporting block and a ball plunger, wherein the bottom of the guide cone body is cylindrical, the top of the guide cone body is conical, the pull claw is positioned inside the guide cone body, the claw part of the pull claw penetrates through a hole formed in the guide cone body and is installed in a matched manner with the guide cone body, the pressing plate is arranged above the guide cone body, the main shaft pull rod is fixedly connected with the pull claw and penetrates through center holes of the pull claw, the guide cone body and the pressing plate and is arranged above the pressing plate, the basic expansion block is attached to the conical side wall of the guide cone body, and the pull claw is arranged between the pull claw and the basic expansion block, the ball plunger supporting block is arranged on the outer side wall of the foundation expansion block, the number of the ball plungers is multiple, and the ball plungers are uniformly arranged on the ball plunger supporting block.
2. The flexible clamping device for turning the thin-wall deep cylinder drawing part according to claim 1,
the flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises an end face positioning block, wherein the end face positioning block is fixedly connected with the pressing plate and is positioned above the pressing plate.
3. The flexible clamping device for turning the thin-wall deep cylinder drawing part according to claim 1,
and a plurality of ball plungers are uniformly arranged on the pressing plate.
4. The flexible clamping device for turning the thin-wall deep cylinder drawing part according to claim 1,
the flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises an anti-rotation pin, and the anti-rotation pin penetrates through a process hole in the part and is fixedly connected with the pressing plate.
5. The flexible clamping device for turning the thin-wall deep cylinder drawing part according to claim 1,
the flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises a pressing plate pull rod, and the pressing plate pull rod is fixedly connected with the main shaft pull rod and is located above the pressing plate.
6. The flexible clamping device for turning the thin-wall deep cylinder drawing part according to claim 1,
the flexible clamping device for turning the thin-wall deep cylinder stretching part further comprises a switching flange plate, one end of the switching flange plate is installed at one end of the machine tool spindle, and the other end of the switching flange plate is installed in a matched mode with the guide cone body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783892.2U CN215393979U (en) | 2021-04-16 | 2021-04-16 | Flexible clamping device for turning thin-wall deep-cylinder stretching part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783892.2U CN215393979U (en) | 2021-04-16 | 2021-04-16 | Flexible clamping device for turning thin-wall deep-cylinder stretching part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215393979U true CN215393979U (en) | 2022-01-04 |
Family
ID=79671670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120783892.2U Active CN215393979U (en) | 2021-04-16 | 2021-04-16 | Flexible clamping device for turning thin-wall deep-cylinder stretching part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215393979U (en) |
-
2021
- 2021-04-16 CN CN202120783892.2U patent/CN215393979U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110303358A (en) | Vibration damping tooling for processing thin-walled cylinder shape workpiece | |
| CN208961512U (en) | A kind of round piece fixture for batch processing | |
| CN215393979U (en) | Flexible clamping device for turning thin-wall deep-cylinder stretching part | |
| CN113305307B (en) | Flexible clamping device and method for turning thin-wall deep-cylinder stretching part | |
| CN106429407B (en) | Expansion shaft grabbing device | |
| CN220481503U (en) | Pipe fitting internal stay clamping and positioning device and processing equipment | |
| CN210649662U (en) | Machining center anchor clamps | |
| CN109702423B (en) | Positioning device for assembling dotting of steel connecting pipe and cylinder of liquid storage device of air conditioner compressor | |
| CN210255140U (en) | Positioning element of hydraulic structure | |
| CN207495069U (en) | Pipe boring grab | |
| CN209477097U (en) | A kind of molding stamping die of high-performance lens barrel | |
| CN215431078U (en) | Punch fixing seat capable of adjusting height of punching punch | |
| CN212600488U (en) | Turning clamp for processing thin-wall end cover parts | |
| CN209364174U (en) | A kind of air-actuated jaw | |
| CN208466980U (en) | A kind of mold red needle fixture | |
| CN210082217U (en) | Disposable bowl mold ejector | |
| CN221018733U (en) | Large-stroke sliding block type internal expansion clamp | |
| CN219805257U (en) | Composite structure for punching and sprouting molding | |
| CN208944993U (en) | A kind of internal spherical cage extruding rapid forming mold | |
| CN216138519U (en) | Rapid clamping device for machining | |
| CN220973310U (en) | Separation device | |
| CN220782486U (en) | Frock clamp for gear | |
| CN212857405U (en) | Gear shaft gear pressing forming tool | |
| CN214053370U (en) | Machining device for producing battery shell bottom forming | |
| CN215434855U (en) | Portable ejector pin mechanism that resets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |