CN213646771U - Special clamp for turning, symmetrically splitting and positioning steps at two ends of aluminum cylinder - Google Patents
Special clamp for turning, symmetrically splitting and positioning steps at two ends of aluminum cylinder Download PDFInfo
- Publication number
- CN213646771U CN213646771U CN202022012567.4U CN202022012567U CN213646771U CN 213646771 U CN213646771 U CN 213646771U CN 202022012567 U CN202022012567 U CN 202022012567U CN 213646771 U CN213646771 U CN 213646771U
- Authority
- CN
- China
- Prior art keywords
- adjusting
- turning
- aluminum cylinder
- cylinder part
- symmetrically
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 59
- 238000007514 turning Methods 0.000 title claims abstract description 41
- 239000004411 aluminium Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910000746 Structural steel Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000000227 grinding Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a special clamp for turning and symmetrically splitting positioning steps at two ends of an aluminum barrel part, which comprises a clamp body, an inner hole non-full-circle positioning sleeve, an adjusting tile and an adjusting screw; the two inner hole non-full circle positioning sleeves are respectively fixed at two ends of the inner hole of the fixture body; the two groups of adjusting tiles are respectively arranged in the grooves on the inner wall of the fixture body, and the adjusting screws penetrate through the fixture body and are connected with the adjusting tiles; each adjusting tile is connected with an adjusting screw, a half-opened T-shaped groove is formed in each adjusting tile, and the step of each adjusting screw is inserted into the corresponding T-shaped groove. The utility model discloses guaranteed the symmetry and cut open the machining precision of accurate thin wall aluminum barrel spare, realized that the symmetry cuts open the central symmetry adjustment and the location of accurate thin wall aluminum barrel spare and press from both sides tightly, solved the finish turning symmetry and cut open aluminum barrel spare both ends when fixing a position the step, the problem of the easy radial drunkenness of aluminum barrel spare that the symmetry was cut open.
Description
Technical Field
The utility model belongs to the machining field, concretely relates to aluminium section of thick bamboo spare both ends location step special fixture is cut open to turning symmetry.
Background
At present, a method of turning to a finished product size and then cutting is generally adopted for a machining method of a symmetrically cut precise thin-wall aluminum cylinder part, a common lathe or a numerical control lathe is adopted in a turning process, horizontal milling, linear cutting, water cutting and other methods are generally adopted for symmetrically cutting after turning, if a mode of cutting and reprocessing is adopted, when steps are positioned at two ends of the symmetrically cut aluminum cylinder part in a finish turning mode, the symmetrically cut aluminum cylinder part is easy to move radially, so that a workpiece is opened and even warped and twisted, and finally the workpiece is scrapped out of tolerance and cannot be used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an aluminium section of thick bamboo spare both ends location step special fixture is cut open to turning symmetry solves the finish turning symmetry and cuts open when aluminium section of thick bamboo spare both ends location step, the easy radial drunkenness's of aluminium section of thick bamboo spare problem is cut open to the symmetry.
The technical scheme of the utility model is that: the utility model relates to an aluminium section of thick bamboo spare both ends location step special fixture is cut open to turning symmetry, its characterized in that: comprises a clamp body, an inner hole non-full circle positioning sleeve, an adjusting tile and an adjusting screw; the two inner hole non-full circle positioning sleeves are respectively fixed at two ends of the inner hole of the fixture body; the two groups of adjusting tiles are respectively arranged in the grooves on the inner wall of the fixture body, and the adjusting screws penetrate through the fixture body and are connected with the adjusting tiles; each adjusting tile is connected with an adjusting screw, a half-opened T-shaped groove is formed in each adjusting tile, and the step of each adjusting screw is inserted into the corresponding T-shaped groove.
Has the advantages that: the utility model discloses guaranteed the symmetry and cut open the machining precision of accurate thin wall aluminum barrel spare, realized that the symmetry cuts open the central symmetry adjustment and the location of accurate thin wall aluminum barrel spare and press from both sides tightly, solved the finish turning symmetry and cut open aluminum barrel spare both ends when fixing a position the step, the problem of the easy radial drunkenness of aluminum barrel spare that the symmetry was cut open. The utility model is suitable for a processing of the accurate thin wall aluminum barrel spare that various symmetries were cut open, its positioning accuracy is high, easy operation, loading and unloading work piece are convenient, the clamp force can be evenly acted on the clamping work piece and the clamp force can be adjusted at the certain limit according to the different situation. The processing range is wide, and the applicability is strong.
Description of the drawings:
FIG. 1 is a drawing of a blank of an aluminum cylinder after the symmetrical cutting is completed
FIG. 2 is a view of a fixture for turning positioning steps at two ends of an aluminum cylinder
FIG. 3- (a) (B) (c) is a partially enlarged view, A-A view and B-B view of FIG. 2
Detailed Description
The purpose, content and advantages of the present invention will be more clearly understood by describing and explaining the embodiments of the present invention in detail.
The utility model provides an aluminium section of thick bamboo spare both ends location step special fixture is cut open to turning symmetry, its characterized in that: comprises a clamp body 2, an inner hole non-full circle positioning sleeve 3, adjusting tiles 4, 5, 6 and 7, 4 adjusting screws 8 and an inner hole non-full circle positioning sleeve 9; the two inner hole non-full circle positioning sleeves are respectively fixed at two ends of the inner hole of the fixture body; the two groups of adjusting tiles are respectively arranged in the grooves on the inner wall of the fixture body, and the adjusting screws penetrate through the fixture body and are connected with the adjusting tiles; each adjusting tile is connected with an adjusting screw, a half-opened T-shaped groove is formed in each adjusting tile, the step of each adjusting screw is inserted into the T-shaped groove, and the gap between the step of each adjusting screw and the T-shaped groove of each adjusting tile is 0.15-0.25 mm, so that the adjusting screws and the adjusting tiles are connected together; the inner side of the adjusting tile is matched with the outer wall of the aluminum cylinder part.
The clamp body 2 is made of high-grade carbon structural steel T8A, the hardness after quenching can reach HRC 50-55, the wall thickness can reach 30mm, the strength requirement of the clamp body can be ensured, the clamp body 2 is repeatedly processed through a plurality of procedures of rough turning, quenching, finish turning, grinding and the like, the circular run-out of a stepped circle of the clamp body is less than 0.02mm, the internal and external coaxiality is less than 0.02mm, 4 adjusting tiles for clamping semicircular symmetrical cut-open aluminum barrel parts are made of high-grade carbon structural steel T8A, the hardness after quenching can reach HRC 50-55, the wall thickness can reach 15mm, the strength requirement of the adjusting tiles can be ensured, 4-7 are processed through a plurality of procedures of rough turning, quenching and tempering, finish turning, milling, grinding and the like, the inner diameter size of the adjusting tiles is greater than the outer diameter of cut-open aluminum barrel blanks by 0.2mm, the two inner hole non-circular positioning sleeves 3 and 9 are made of high-grade carbon structural steel T8A, the hardness after quenching can reach HRC50, the wall thickness reaches 10mm, the strength requirement can be ensured, the roundness of the outer diameter of the aluminum cylinder is ensured to be less than 0.02mm after the aluminum cylinder is processed by a plurality of procedures such as rough turning, tempering, fine turning, linear cutting, grinding and the like, the inner diameter of the aluminum cylinder is processed by a linear cutting mode, the gap between the radian of a non-full-circle positioning reference surface and the symmetrically split aluminum cylinder is accurately ensured to be between 0.30 and 0.40mm, the clamping precision of the symmetrically split aluminum cylinder can be preliminarily ensured, then the gap between the axial end surface of the T-shaped groove and the adjusting screw is between 0.15 mm and 0.25mm through the accurate adjustment of the 4 adjusting tiles, the accuracy of driving the adjusting tiles to move up and down when the adjusting screw is rotated is ensured, and through the control means, the symmetry degree of the outer diameter of the clamp for turning and symmetrically splitting the positioning steps at two ends of the aluminum cylinder which is clamped and adjusted and the long axis and short axis directions of the aluminum cylinder which is symmetrically split relative to the axis can be smaller than 0.1 mm.
On the aluminium barrel blank 1 that the symmetry was cut open was packed into the turning symmetry and is cut open aluminium barrel both ends location step special fixture, with three-jaw self-centering (holding) chuck cliied the one end of special fixture external diameter on the lathe, the other end supports on this special fixture external diameter with the centre frame, the aluminium barrel both ends location step is cut open to the finish turning symmetry: two end face positioning steps of the aluminum cylinder part are symmetrically split in two times, end face machining is carried out in the first step, and the aluminum cylinder part is symmetrically split at the moment, so that the clamping positioning face is actually a special-shaped section formed by two small semi-circles at the moment.
The use method comprises the following steps:
firstly, respectively screwing 4 adjusting screws 8 into the fixture body 2, respectively inserting 4 adjusting tiles into the steps of the 4 adjusting screws through the half-opened T-shaped grooves on the adjusting tiles, wherein the gap between the steps of the adjusting screws and the T-shaped grooves of the adjusting tiles is 0.15-0.25 mm, so that the adjusting screws and the adjusting tiles are connected together, and as shown in fig. 3, the 4 adjusting screws are rotated to enable the 4 adjusting tiles to freely move up and down and be retracted into the grooves of the fixture body 2;
fixing two inner hole non-full circle positioning sleeves 3 and 9 with a fixture body 2 by using countersunk screws, enabling the corresponding directions of the long shaft and the short shaft of the two inner hole non-full circle positioning sleeves to be consistent, installing split aluminum cylinder blank into the fixture body 2 along the corresponding directions of the long shaft and the short shaft of the non-full circle inner diameters of the positioning sleeves 3 and 9, ensuring that the end surfaces of two ends are aligned and ensuring enough machining allowance of a positioning step in the length direction, namely the size of the length direction is larger than the length of the step of the finished size, rotating 4 adjusting screws 8 and driving the adjusting tiles 4-7 to enable the directions of the long shaft and the short shaft of the split aluminum cylinder blank to be symmetrical with the rotation center of a lathe, locking the 4 adjusting screws 8, enabling the adjusting tiles 4-7 to be in tight contact with the aluminum cylinder blank, and fastening a workpiece.
Finish turning one end of an aluminum cylinder blank which is symmetrically cut, removing 1mm of the end face of the aluminum cylinder blank which is cut, exposing light on the end face, turning the outer diameter of an end face positioning step to the finished size marked by a drawing part, ensuring the length to be larger than the length of the outer diameter step of the finished part, turning the size of an inner hole positioning step and leaving the allowance of a finish-machining inner hole, ensuring the size of the inner hole to be larger than the outer diameter of an inner support positioning sleeve 12 by 0.04-0.06 mm, turning and clamping a clamp body 2, turning the end face of the other end to the finished size of the part, processing and turning the outer diameter of the end face positioning step to the finished size marked by the drawing part, controlling the length of the finished step of the part, finally turning the size of the inner hole positioning step and leaving the allowance, ensuring the size of the inner hole to be larger than the outer diameter of the inner support positioning sleeves 12 and 13 by 0., and loosening 4 adjusting screws after the machining is finished, driving the adjusting tiles 4-7 to move up and down, loosening the machined aluminum cylinder blank, and taking out the symmetrically split aluminum cylinder with the machined positioning step surface.
Claims (10)
1. The utility model provides an aluminium section of thick bamboo spare both ends location step special fixture is cut open to turning symmetry which characterized in that: comprises a clamp body (2), an inner hole non-full circle positioning sleeve, an adjusting tile and an adjusting screw; the two inner hole non-full circle positioning sleeves are respectively fixed at two ends of the inner hole of the fixture body; the two groups of adjusting tiles are respectively arranged in the grooves on the inner wall of the fixture body, and the adjusting screws penetrate through the fixture body and are connected with the adjusting tiles; each adjusting tile is connected with an adjusting screw, a half-opened T-shaped groove is formed in each adjusting tile, and the step of each adjusting screw is inserted into the corresponding T-shaped groove.
2. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the gap between the step of the adjusting screw and the T-shaped groove of the adjusting tile is 0.15-0.25 mm.
3. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the inner side of the adjusting tile is matched with the outer wall of the aluminum cylinder part.
4. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the clearance between the arc surface of the non-full-circle positioning reference surface of the two inner hole non-full-circle positioning sleeves and the symmetrically cut aluminum cylinder part is 0.30-0.40 mm.
5. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the symmetrically-split aluminum cylinder part is obtained by splitting a rough-machined aluminum cylinder part blank from a symmetrical center line, and a symmetrically-split knife edge is smaller than 2 mm.
6. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the corresponding directions of the long axis and the short axis of the two inner hole non-full circle positioning sleeves are consistent.
7. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the clamp body is made of high-grade high-quality carbon structural steel T8A.
8. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the circle run-out of the ladder circle of the fixture body is less than 0.02mm, and the coaxiality of the inside and the outside is less than 0.02 mm.
9. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the roundness of the outer diameter of the two inner hole non-full circle positioning sleeves is less than 0.02 mm.
10. The special fixture for turning the positioning steps at two ends of the symmetrically split aluminum cylinder part according to claim 1, is characterized in that: the adjusting tile is made of high-grade high-quality carbon structural steel T8A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012567.4U CN213646771U (en) | 2020-09-15 | 2020-09-15 | Special clamp for turning, symmetrically splitting and positioning steps at two ends of aluminum cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012567.4U CN213646771U (en) | 2020-09-15 | 2020-09-15 | Special clamp for turning, symmetrically splitting and positioning steps at two ends of aluminum cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213646771U true CN213646771U (en) | 2021-07-09 |
Family
ID=76696890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022012567.4U Active CN213646771U (en) | 2020-09-15 | 2020-09-15 | Special clamp for turning, symmetrically splitting and positioning steps at two ends of aluminum cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213646771U (en) |
-
2020
- 2020-09-15 CN CN202022012567.4U patent/CN213646771U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112077542B (en) | Machining method for symmetrically splitting thin-wall aluminum cylinder part | |
| CN104625602A (en) | Method for machining thin-wall bearing housing part | |
| US6179530B1 (en) | Expansion clamping chuck | |
| CN110757105A (en) | Machining method of thin-wall sleeve type part | |
| CN101712079A (en) | Method for processing oil grooves in inner bores of copper bearing bush | |
| CN114310160A (en) | Method for machining hardened deep-hole inner cone part | |
| CN114619210A (en) | Method for machining small-wall-thickness-difference deep blind hole barrel type part | |
| CN114700505A (en) | Method and device for machining ultra-long and ultra-thin sleeve type part | |
| CN115283949B (en) | Processing method for multi-petal split high-precision thin-wall aluminum cylinder part | |
| CN105618803A (en) | Expanding clamp for turning thin-walled part | |
| CN101367130A (en) | Overlength straight pipeline member cutting method | |
| CN114589464A (en) | Method for machining inner hole of high-precision long and thin cylindrical part | |
| CN201711548U (en) | Combined adjustable tool holder | |
| CN212822723U (en) | Thimble tray is used in automobile-used processing of mould steel | |
| CN104690297B (en) | Lathe machining technology of thin-wall energy-saving motor end cover | |
| CN213646771U (en) | Special clamp for turning, symmetrically splitting and positioning steps at two ends of aluminum cylinder | |
| CN105537885A (en) | Machining method of valve element | |
| CN214920601U (en) | Special clamp for machining inner diameter of symmetrically split aluminum cylinder part | |
| KR101260746B1 (en) | center plug with the chuckjaw of taper | |
| CN117697330A (en) | Machining method of large-diameter thin-wall precise steel cylinder | |
| CN116871936A (en) | Thin-walled sleeve workpiece processing tooling and processing methods | |
| CN216859027U (en) | Numerical control turning center anchor clamps | |
| CN213730620U (en) | Special clamp for processing outer diameter of symmetrically split aluminum cylinder part | |
| RU2429108C1 (en) | Ball rotating planetary centre | |
| CN221158732U (en) | Lathe milling flutes device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |