CN112916888A - Double-station turning combined positioning and clamping device - Google Patents
Double-station turning combined positioning and clamping device Download PDFInfo
- Publication number
- CN112916888A CN112916888A CN202110078746.4A CN202110078746A CN112916888A CN 112916888 A CN112916888 A CN 112916888A CN 202110078746 A CN202110078746 A CN 202110078746A CN 112916888 A CN112916888 A CN 112916888A
- Authority
- CN
- China
- Prior art keywords
- positioning
- seat
- pin
- clamping device
- double
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a double-station turning combined positioning and clamping device, which comprises a conical shaft connected with a machine tool, a fixed seat connected with the conical shaft, a positioning seat connected with the fixed seat, and a workpiece arranged on the positioning seat, wherein the conical shaft is connected with the fixed seat through a first bolt, the flange surface of the fixed seat, which is in contact with the positioning seat, is obliquely arranged, the fixed seat is connected with the positioning seat through a second bolt and a fixed pin, a plurality of threaded holes and symmetrically arranged positioning grooves are arranged on the positioning seat, a lower spring seat is arranged in the middle of the positioning seat, a screw rod is arranged in the middle of the lower spring seat, an upper spring seat is arranged at the upper part of the screw rod, a pressure spring is sleeved on the screw rod and supported between the upper spring seat and the lower spring seat, the workpiece comprises a fixed hole arranged in the center and two symmetrically, the other end of the screw rod is provided with a nut, the positioning sleeve is provided with a positioning pin, and the positioning pin is inserted into the positioning groove.
Description
Technical Field
The invention relates to the field of clamping jigs, in particular to a double-station turning combined positioning and clamping device which is mainly applied to mechanical finish turning of short column spherical thin-wall parts.
Background
At present, with the continuous development of the machining technology of military and civil products, the machining precision of the products is continuously improved, the structural design of the products is more and more delicate and complex, the weight is reduced, the reliability is required, the effective load is increased, and therefore higher requirements are provided for machining process devices. The large-diameter short column spherical thin-wall part has the characteristics of small wall thickness (less than or equal to 3mm), weak rigidity and easy deformation, so that the attention and attention of the machining industry are attracted, and due to the fact that the shapes and the machining modes of products are different, the positioning and clamping devices of the large-diameter short column spherical thin-wall part are also different, and the machined products cannot meet the design requirements of the products easily.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a double-station turning combined positioning and clamping device, wherein a machined part is positioned by combining main positioning of a body and a positioning pin, and double-station finish turning of a workpiece is realized, so that the machining precision requirement of a positioning sleeve in a thin-wall spherical part is met.
In order to achieve the purpose, the invention provides the following technical scheme: a double-station turning combined positioning and clamping device comprises a conical shaft connected with a machine tool, a fixed seat connected with the conical shaft, a positioning seat connected with the fixed seat and a workpiece arranged on the positioning seat, wherein the conical shaft is connected with the fixed seat through a first bolt, a flange face of the fixed seat, which is contacted with the positioning seat, is obliquely arranged, the fixed seat is connected with the positioning seat through a second bolt and a fixed pin, a plurality of threaded holes and symmetrically arranged positioning grooves are formed in the positioning seat, a lower spring seat is arranged in the middle of the positioning seat, a screw rod is arranged in the middle of the lower spring seat, an upper spring seat is arranged on the upper portion of the screw rod, a pressure spring is sleeved on the screw rod and supported between the upper spring seat and the lower spring seat, the workpiece comprises a fixed hole arranged in the center and two symmetrically arranged processing holes, a positioning sleeve is, the other end of the screw rod is provided with a nut, the positioning sleeve is provided with a positioning pin, and the positioning pin is inserted into the positioning groove.
As a further improvement of the above technical solution:
and an accommodating through hole is formed in the positioning pin, and a positioning screw is arranged in the accommodating through hole and matched with a threaded hole in the positioning seat.
The inclination angle of the flange surface is 65 degrees. Therefore, the axis of the positioning sleeve positioned at the lower part can be ensured to coincide with the axis of the conical shaft, and the positioning sleeve is convenient to process and operate.
The positioning pin is arranged on the positioning sleeve at the upper part.
The fixed seat is also provided with a tool bar.
The axes of the cutter bar, the conical shaft, the fixed seat, the positioning seat and the positioning sleeve are intersected at one point.
The locating pin includes first locating pin and second locating pin, and first locating pin location end diameter is less than second locating pin location end diameter.
Compared with the prior art, the invention has the beneficial effects that:
the double-station turning combined positioning and clamping device is integrally designed in a three-section modular mode, namely a conical shaft connected with a machine tool, a middle transitional fixing seat and a positioning seat, and is simple in structure; a positioning and clamping structure with the inclination angle of 25 degrees of a machined part is adopted, so that the machining axis of the positioning sleeve is superposed with the axis of the machine tool spindle, and the positioning and clamping structure is convenient to machine and easy to operate; the fixture is positioned by utilizing the machined holes of the machined part body, and the positioning pins play a comprehensive role in positioning, indexing and torque transmission; the clamp is provided with a cutter bar, so that an operator can control and detect the machining space size of the positioning sleeve in the machining process; after the positioning pin is positioned, the clamp rotates along with the clamp body, and is fixed on one side of the asymmetric clamp with lighter overall material weight, so that the movement unbalance amount of the machining clamp in the rotating process can be reduced. The internal thread turning, inner hole boring and inner end surface flattening of the positioning sleeve on the machining body are machined by a common multi-hole lathe, so that the machining efficiency is high, the machining is economical, and the machining precision is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: 1. a conical shaft; 2. a fixed seat; 3. a first bolt; 4. a fixing pin; 5. positioning seats; 6. a first positioning pin; 7. a second positioning pin; 8. a set screw; 9. a pressure spring; 10. an upper spring seat; 11. a gasket; 12. a nut; 13. a screw; 14. a fixing pin; 15. aligning the cutter bar; 20. a workpiece; 100. a positioning sleeve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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.
As shown in fig. 1, the double-station lathing combined positioning and clamping device of the embodiment includes a conical shaft 1 connected to a machine tool, a fixing seat 2 connected to the conical shaft 1, a positioning seat 5 connected to the fixing seat 2, and a workpiece 20 mounted on the positioning seat 5, wherein the conical shaft 1 is connected to the fixing seat 2 through a first bolt 3, a flange surface of the fixing seat 2 contacting with the positioning seat 5 is disposed in an inclined manner, the fixing seat 2 is connected to the positioning seat 5 through a second bolt 4 and a fixing pin 14, the positioning seat 5 is provided with a plurality of threaded holes and symmetrically disposed positioning grooves, a lower spring seat is disposed in the middle of the positioning seat 5, a screw 13 is disposed in the middle of the lower spring seat, an upper spring seat 10 is disposed on the upper portion of the screw 13, a compression spring 9 is sleeved on the screw 13, the compression spring 9 is supported between the upper, be provided with position sleeve 100 on the processing hole, screw rod 13 runs through the fixed orifices setting, and the screw rod 13 other end is provided with nut 12, is provided with the locating pin on the position sleeve 100, and the locating pin inserts the constant head tank.
And a containing through hole is formed in the positioning pin, and a positioning screw 8 is arranged in the containing through hole and matched with a threaded hole in the positioning seat 5 through a positioning screw 8.
The inclination angle of the flange surface is 65 degrees. The positioning pin is mounted on the upper positioning sleeve 100. The inclined arrangement makes the lower locating sleeve 100 coaxial with the machine tool for ease of machining, with the angle α being 25 ° to the angle of inclination of the workpiece 20.
The fixed seat 2 is also provided with a tool bar 15. The axes of the cutter bar 15, the conical shaft 1, the fixed seat 2, the positioning seat 5 and the positioning sleeve 100 are intersected at one point. So set up, be convenient for measure and control machining dimension.
The locating pin includes first locating pin 6 and second locating pin 7, and 6 location end diameters of first locating pin are less than 7 location end diameters of second locating pin. The arrangement is convenient for positioning the workpiece, the machining precision is ensured, and the error is effectively reduced.
The working principle of the invention is as follows:
the device can obtain the best effect only by combining with the use method, and the problem to be solved by the design of the invention is to design a clamping device to realize the processing of the inner hole of the positioning sleeve 100. firstly, the pressure spring 9 and the spring seat 10 are arranged in the positioning seat 5, the workpiece 20 is put into the positioning seat, the first positioning pin 6 is positioned through the pre-processing hole on the positioning sleeve 100, the front end of the first positioning pin 6 is inserted into the inclined positioning groove at the end part of the positioning seat 5, the nut 12 is screwed after the positioning screw 8 is screwed, the first clamping of the workpiece 20 is completed, and the first positioning sleeve 100 is processed. And rotating the workpiece 180 degrees, positioning the second positioning pin 7 through the processed hole on the positioning sleeve 100, inserting the front end of the second positioning pin 7 into the inclined positioning groove at the end part of the positioning seat 5, screwing the positioning screw 8, then screwing the nut 12, completing secondary product clamping of the workpiece 20, and finishing the processing of the second positioning sleeve. After the workpiece is machined, when the workpiece 20 is dismounted, the nut 12 is firstly unscrewed, then the positioning screw 8 is unscrewed, and the machined workpiece 20 is automatically withdrawn by means of the prepressing elastic force of the pressure spring 9. The invention adopts a double-station turning combined positioning and clamping mode, a first positioning pin is adopted for positioning for the first time, and a first positioning sleeve is finely processed; and positioning and clamping the workpiece by using the machined part hole and a second positioning pin for the second time to finish turning of the inner shape of the second positioning sleeve. The positioning and centering combined device can reduce the deformation of the product caused by the processing stress, ensure the uniform wall thickness difference of the whole section of the processed part, and has the characteristics of convenient operation, safety, reliability and the like.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a duplex position car processing combined positioning clamping device, includes conical shaft (1) that links to each other with the lathe, fixing base (2) that link to each other with conical shaft (1), positioning seat (5) that link to each other with fixing base (2) and install work piece (20) on positioning seat (5), its characterized in that: the conical shaft (1) is connected with a fixed seat (2) through a first bolt (3), the flange face of the fixed seat (2) contacting with a positioning seat (5) is obliquely arranged, the fixed seat (2) is connected with the positioning seat (5) through a second bolt (4) and a fixed pin (14), a plurality of threaded holes and positioning grooves which are symmetrically arranged are arranged on the positioning seat (5), a lower spring seat is arranged in the middle of the positioning seat (5), a screw rod (13) is arranged in the middle of the lower spring seat, an upper spring seat (10) is arranged on the upper portion of the screw rod (13), a pressure spring (9) is sleeved on the screw rod (13), the pressure spring (9) is supported between the upper spring seat (10) and the lower spring seat, the workpiece (20) comprises a fixed hole which is arranged in the center and two processing holes which are symmetrically arranged, a positioning sleeve (100) is arranged on the processing holes, and the screw rod, the other end of the screw rod (13) is provided with a nut (12), the positioning sleeve (100) is provided with a positioning pin, and the positioning pin is inserted into the positioning groove.
2. The double-station turning combined positioning and clamping device according to claim 1, characterized in that: an accommodating through hole is formed in the positioning pin, a positioning screw (8) is arranged in the accommodating through hole, and the positioning screw (8) is matched with a threaded hole in the positioning seat (5).
3. The double-station turning combined positioning and clamping device according to claim 2, characterized in that: the inclination angle of the flange surface is 65 degrees.
4. The double-station turning combined positioning and clamping device according to claim 3, characterized in that: the positioning pin is arranged on the positioning sleeve (100) at the upper part.
5. The double-station turning combined positioning and clamping device according to claim 4, characterized in that: the fixed seat (2) is also provided with a tool bar (15).
6. The double-station turning combined positioning and clamping device according to claim 5, characterized in that: the axes of the pair of cutter bars (15), the conical shaft (1), the fixed seat (2), the positioning seat (5) and the positioning sleeve (100) are intersected at one point.
7. The double-station turning combined positioning and clamping device according to claim 6, characterized in that: the locating pin comprises a first locating pin (6) and a second locating pin (7), and the diameter of the locating end of the first locating pin (6) is smaller than that of the locating end of the second locating pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078746.4A CN112916888A (en) | 2021-01-21 | 2021-01-21 | Double-station turning combined positioning and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078746.4A CN112916888A (en) | 2021-01-21 | 2021-01-21 | Double-station turning combined positioning and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112916888A true CN112916888A (en) | 2021-06-08 |
Family
ID=76165369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110078746.4A Pending CN112916888A (en) | 2021-01-21 | 2021-01-21 | Double-station turning combined positioning and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112916888A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01306141A (en) * | 1988-05-31 | 1989-12-11 | Myotoku Kk | Fixing device |
| CN103028982A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Composite clamp for two-way perforating and edge cutting of ellipsoid end socket |
| CN207447934U (en) * | 2017-11-09 | 2018-06-05 | 龙工（福建）铸锻有限公司 | The clutch case machining frock that a kind of vertical machining centre uses |
| CN208132475U (en) * | 2018-05-11 | 2018-11-23 | 郧西精诚汽配有限公司 | A kind of vehicle spherical surface fixture of whole world face differential casing |
| CN214418229U (en) * | 2021-01-21 | 2021-10-19 | 江南工业集团有限公司 | Double-station turning combined positioning and clamping device |
-
2021
- 2021-01-21 CN CN202110078746.4A patent/CN112916888A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01306141A (en) * | 1988-05-31 | 1989-12-11 | Myotoku Kk | Fixing device |
| CN103028982A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Composite clamp for two-way perforating and edge cutting of ellipsoid end socket |
| CN207447934U (en) * | 2017-11-09 | 2018-06-05 | 龙工（福建）铸锻有限公司 | The clutch case machining frock that a kind of vertical machining centre uses |
| CN208132475U (en) * | 2018-05-11 | 2018-11-23 | 郧西精诚汽配有限公司 | A kind of vehicle spherical surface fixture of whole world face differential casing |
| CN214418229U (en) * | 2021-01-21 | 2021-10-19 | 江南工业集团有限公司 | Double-station turning combined positioning and clamping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105234712B (en) | A kind of spindle manual | |
| CN103028987B (en) | Numerical control processing fixture for two perpendicularly-crossed shafts | |
| CN215967494U (en) | Boring and inspection clamp for airplane steering engine installation model | |
| CN214418229U (en) | Double-station turning combined positioning and clamping device | |
| CN109434225B (en) | micro-Laval hole micro-electrode electric spark machining device and assembling and machining method | |
| CN216912808U (en) | Gear aligning and pressing tool for duplicate gear | |
| CN112388362B (en) | Fixture combination for machining rotary pipe joint with ball by numerical control lathe and machining method | |
| CN112916888A (en) | Double-station turning combined positioning and clamping device | |
| CN108838417A (en) | A kind of fixture for Model For The Bush-axle Type Parts processing | |
| CN211939632U (en) | Multi-angle butt welding device for sheet steel plate | |
| CN201573073U (en) | Tooling used for processing pressure storage cylinder | |
| CN214817086U (en) | Indexing oil groove milling clamp | |
| CN213469636U (en) | Finish machining device for motor base | |
| CN209737092U (en) | special fixture for milling dovetail groove on workpiece | |
| CN113369936A (en) | Device for machining circumferential inclined holes of nozzle nuts of aircraft engines | |
| CN108177001B (en) | Transmission case with two intersecting shaft holes, boring fixture and use method thereof | |
| CN206169727U (en) | Universal fixed frock | |
| CN112296399A (en) | Special boring fixture | |
| CN219131491U (en) | Machine tool machining interchange equal-height block | |
| CN220073938U (en) | Vertical machining device for inclined shaft type motor pressing disc | |
| CN216729906U (en) | End face tooth profile of tooth part adds clamping apparatus | |
| CN219724625U (en) | Pump middle seat processing tool | |
| CN219234562U (en) | Non-standard piece tool fixture | |
| CN214720654U (en) | A swift anchor clamps for V-arrangement pole connects turning | |
| CN215146754U (en) | Novel auxiliary main shaft end integral device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |
|
| RJ01 | Rejection of invention patent application after publication |