CN220782982U - Clamp for precise milling of cylinder castings - Google Patents
Clamp for precise milling of cylinder castings Download PDFInfo
- Publication number
- CN220782982U CN220782982U CN202322628160.8U CN202322628160U CN220782982U CN 220782982 U CN220782982 U CN 220782982U CN 202322628160 U CN202322628160 U CN 202322628160U CN 220782982 U CN220782982 U CN 220782982U
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- threaded rod
- frame
- support arm
- cylinder
- fixture
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- 238000005266 casting Methods 0.000 title claims abstract description 56
- 238000003801 milling Methods 0.000 title claims abstract description 42
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a fixture for precise milling of cylinder castings, which comprises: the frame, the inside central point department of frame installs the screw thread cover, the inside central point department of screw thread cover installs the threaded rod, and the both ends of threaded rod all extend to the outside of screw thread cover, and threaded rod and screw thread cover play threaded connection's effect, the support frame suit is on the threaded rod surface of screw thread cover top, and support frame and screw thread cover fixed connection, install equidistant three left support arms of group on the outer wall of support frame, the support frame plays power transmission's effect, the top at the threaded rod is installed to the movable frame. The clamping device not only realizes the convenient internal expansion type supporting and supporting of the cylinder casting by the clamp for precise milling of the cylinder casting, and facilitates the free milling processing of the outer wall of the cylinder casting without interference, but also improves the convenience of clamping and fixing the cylinder casting and the convenience during milling processing.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a clamp for precise milling of a cylinder casting.
Background
The milling machine is mainly used for machining planes, grooves, key grooves, splines, notches and various forming surfaces on parts, and the milling machine clamps are usually used for feeding along with a workbench, so that the milling machine clamps can be divided into three types of linear feeding type, circumferential feeding type and profiling feeding type according to feeding modes, and a cylinder casting needs a special clamp for clamping and supporting during precision milling.
The precision milling fixture for the cylinder castings generally adopts a three-jaw chuck or tiger head clamp and other fixtures to clamp and support the cylinder castings when the precision milling fixture for the cylinder castings clamps and supports the cylinder castings, the clamping mode of the outer wall of the cylinder castings is mostly adopted for fixing when the cylinder castings are clamped, the collision interference between the fixture and a milling cutter is very easy to occur when the outer walls of the cylinder castings are milled, the convenient internal expansion type supporting and tightening support for the cylinder castings are not facilitated when the precision milling fixture for the cylinder castings is used, the free milling processing of the outer walls of the cylinder castings without interference is facilitated, and the convenience of clamping and fixing of the cylinder castings and the convenience during milling processing are greatly affected.
Disclosure of utility model
The utility model aims to provide a clamp for precisely milling a cylinder casting, which solves the problems that the clamp is inconvenient to support the cylinder casting conveniently and quickly in an inward expanding manner, is convenient for free milling of the outer wall of the cylinder casting, and influences the convenience of clamping and fixing the cylinder casting and the convenience in milling.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a fixture for precision milling of cylinder castings, comprising: the frame, the inside central point department of frame installs the screw thread cover, the threaded rod is installed to the inside central point department of screw thread cover, and the both ends of threaded rod all extend to the outside of screw thread cover, and threaded rod and screw thread cover play threaded connection's effect, the support frame suit is on the threaded rod surface of screw thread cover top, and support frame and screw thread cover fixed connection, install equidistant three left set of support arms on the outer wall of support frame, the support frame plays power transmission's effect, the top at the threaded rod is installed to the movable frame, install equidistant three right set of support arms on the outer wall of threaded rod, the movable frame plays power transmission's effect.
Preferably, the top of the right support arm is provided with an upper right shaft, the right support arm is movably connected with the movable frame through the upper right shaft, the bottom of the left support arm is provided with a lower left shaft, and the left support arm is movably connected with the support frame through the lower left shaft.
Preferably, the hinge shafts are arranged on one sides of the left support arms, which are close to the right support arms, and the left support arms are movably connected with the right support arms through the hinge shafts.
Preferably, three groups of equidistant arc blocks are arranged outside the threaded rod on one side of the left support arm, a right lower shaft is arranged at one end, close to the arc blocks, of the right support arm, and the right support arm is movably connected with the arc blocks through the right lower shaft.
Preferably, the one end that the left support arm is close to the arc piece all installs the slider, and slider and arc piece sliding connection, the upper left axle is all installed to the one end that the left support arm is close to the slider, and the upper left axle is passed through to left support arm and slider swing joint.
Preferably, the bottom of threaded rod is installed the handle, the positioning seat is installed to the bottom symmetry of frame.
Preferably, the sliding sleeve is symmetrically arranged at the top end of the rack on one side of the threaded sleeve, the telescopic blocks are arranged in the sliding sleeve and extend to the outside of the sliding sleeve, the locking bolt is arranged on the outer wall of the sliding sleeve on one side of the telescopic blocks, and the telescopic blocks are connected with the sliding sleeve through the locking bolt.
Compared with the prior art, the utility model has the beneficial effects that: the clamp not only realizes the convenient internal expansion type supporting and supporting of the cylinder casting by the clamp for precision milling of the cylinder casting and facilitates the free milling processing without interference on the outer wall of the cylinder casting, but also improves the convenience of clamping and fixing the cylinder casting and the convenience during milling processing;
Through the rotation of the handle drive threaded rod, the threaded rod drives the movable frame to move downwards, the movable frame drives the right support arm to move through the upper right shaft, the right support arm drives the left support arm to move through the hinge shaft, the support frame movably supports the left support arm through the lower left shaft, the left support arm drives the slide block to move through the upper left shaft, the slide block slides in the inside of the arc block, the right support arm drives the arc block to move through the lower right shaft, three groups of arc blocks are spread to support the cylinder casting tightly in an expanding manner, the convenient inner expanding type support of the cylinder casting for precision milling of the cylinder casting is realized, interference-free milling processing of the outer wall of the cylinder casting is facilitated, and the convenience of clamping and fixing of the cylinder casting and the convenience in milling processing are improved.
Drawings
FIG. 1 is a schematic three-dimensional perspective view of the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure of a support frame according to the present utility model;
FIG. 3 is a schematic cross-sectional elevation view of the present utility model;
Fig. 4 is a schematic top view of the arc block of the present utility model.
In the figure: 1. a frame; 2. a positioning seat; 3. a telescopic block; 4. a locking bolt; 5. a sliding sleeve; 6. a lower right axle; 7. an arc-shaped block; 8. an upper left shaft; 9. a slide block; 10. a handle; 11. a threaded rod; 12. a thread sleeve; 13. a support frame; 14. a lower left shaft; 15. a right support arm; 16. a hinge shaft; 17. a left support arm; 18. an upper right shaft; 19. a movable frame.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a fixture for precision milling of cylinder castings, comprising: the machine frame 1, install screw thread cover 12 in the central point department of frame 1 inside, the inside central point department of screw thread cover 12 installs threaded rod 11, and the both ends of threaded rod 11 all extend to the outside of screw thread cover 12, threaded rod 11 and screw thread cover 12 play the effect of threaded connection, support frame 13 suit is on the threaded rod 11 surface of screw thread cover 12 top, and support frame 13 and screw thread cover 12 fixed connection, install equidistant three left support arms 17 on the outer wall of support frame 13, support frame 13 plays the effect of power transmission, movable frame 19 installs on the top of threaded rod 11, install equidistant three right support arms 15 on the outer wall of threaded rod 11, movable frame 19 plays the effect of power transmission;
The top ends of the right support arms 15 are provided with right upper shafts 18, the right support arms 15 are movably connected with the movable frames 19 through the right upper shafts 18, the bottom ends of the left support arms 17 are provided with left lower shafts 14, the left support arms 17 are movably connected with the support frames 13 through the left lower shafts 14, one sides of the left support arms 17, which are close to the right support arms 15, are provided with hinge shafts 16, the left support arms 17 are movably connected with the right support arms 15 through the hinge shafts 16, and the hinge shafts 16 play a role in movable support;
three groups of equidistant arc blocks 7 are arranged outside the threaded rod 11 at one side of the left support arm 17, a right lower shaft 6 is arranged at one end of the right support arm 15, which is close to the arc blocks 7, and the right support arm 15 is movably connected with the arc blocks 7 through the right lower shaft 6;
The sliding blocks 9 are arranged at one ends of the left support arms 17, which are close to the arc-shaped blocks 7, the sliding blocks 9 are in sliding connection with the arc-shaped blocks 7, the left upper shafts 8 are arranged at one ends of the left support arms 17, which are close to the sliding blocks 9, the left support arms 17 are movably connected with the sliding blocks 9 through the left upper shafts 8, the handles 10 are arranged at the bottom ends of the threaded rods 11, and the positioning seats 2 are symmetrically arranged at the bottom ends of the machine frame 1;
When the milling machine is used, the positioning seat 2 is connected with a milling machine workbench, a cylinder casting is sleeved on one side of three groups of arc blocks 7, when the cylinder casting is required to be fixed, the handle 10 is rotated, the threaded rod 11 is driven to rotate by the handle 10, the threaded rod 11 is driven to move downwards by the threaded fit of the threaded rod 11 and the threaded sleeve 12, the threaded rod 11 drives the movable frame 19 to move downwards under the support of the threaded sleeve 12, the movable frame 19 drives the right support arm 15 to move through the right upper shaft 18, the right support arm 15 drives the left support arm 17 to move through the hinge shaft 16, the support frame 13 movably supports the left support arm 17 through the left lower shaft 14, the left support arm 17 drives the sliding block 9 to move through the left upper shaft 8, the sliding block 9 slides in the arc blocks 7, the right support arm 15 drives the arc blocks 7 through the right lower shaft 6, and the three groups of arc blocks 7 are propped up to support the cylinder casting, so that the outer wall of the cylinder casting is convenient to carry out inner expansion type supporting of the cylinder casting, the accurate milling fixture for the cylinder casting is realized, the free interference-free milling of the outer wall of the cylinder casting is convenient, and the convenience in milling and fixing of the cylinder casting is improved;
The sliding sleeve 5 is symmetrically arranged at the top end of the frame 1 at one side of the threaded sleeve 12, the telescopic blocks 3 are arranged in the sliding sleeve 5, the telescopic blocks 3 extend to the outside of the sliding sleeve 5, the sliding sleeve 5 is in sliding connection with the telescopic blocks 3, the locking bolt 4 is arranged on the outer wall of the sliding sleeve 5 at one side of the telescopic blocks 3, and the telescopic blocks 3 are connected with the sliding sleeve 5 through the locking bolt 4;
During the use through taking out telescopic block 3 from the inside of sliding sleeve 5, telescopic block 3 supports the cylinder foundry goods, inserts the inside of sliding sleeve 5 with locking bolt 4, and locking bolt 4 is fixed telescopic block 3 and sliding sleeve 5, and telescopic block 3 plays auxiliary support's effect, increases the stability that the cylinder foundry goods centre gripping was supported, has realized the centre gripping that anchor clamps were stable to the cylinder foundry goods and has supported, has improved the stability when the cylinder foundry goods centre gripping.
Working principle: when the milling machine is used, firstly, the positioning seat 2 is connected with the milling machine workbench, the cylinder casting is sleeved on one side of the three groups of arc blocks 7, when the cylinder casting is required to be fixed, the handle 10 is rotated, the handle 10 drives the threaded rod 11 to rotate, the threaded rod 11 is driven to move downwards by the threaded fit of the threaded rod 11 and the threaded sleeve 12, the threaded rod 11 drives the movable frame 19 to move downwards under the support of the threaded sleeve 12, the movable frame 19 drives the right support arm 15 to move through the upper right shaft 18, the right support arm 15 drives the left support arm 17 to move through the hinge shaft 16, the support frame 13 movably supports the left support arm 17 through the lower left shaft 14, the left support arm 17 drives the slide block 9 to move through the upper left shaft 8, the slide block 9 slides in the inside of the arc blocks 7, the right support arm 15 drives the arc blocks 7 to move through the lower right shaft 6, the three groups of arc blocks 7 are spread to support the cylinder casting in an inner expansion mode, the outer wall of the cylinder casting is convenient to mill, then the telescopic block 3 is pulled out from the inside of the sliding sleeve 5 to support the cylinder casting, the locking bolt 4 is inserted into the inside the sliding sleeve 5, the telescopic block 3 is used for supporting the telescopic block 3, the telescopic block 3 is used for supporting the cylinder casting, the telescopic block is used for supporting the sliding block 3, the clamping and the clamping fixture is used for fixing and supporting the telescopic block 3, and the telescopic block is used for achieving the stability.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A precision milling fixture for cylinder castings is characterized by comprising:
The device comprises a frame (1), wherein a thread sleeve (12) is arranged at the central position inside the frame (1), a threaded rod (11) is arranged at the central position inside the thread sleeve (12), two ends of the threaded rod (11) extend to the outside of the thread sleeve (12), and the threaded rod (11) and the thread sleeve (12) play a role in threaded connection;
The support frame (13), the support frame (13) suit is on threaded rod (11) surface above thread bush (12), and support frame (13) and thread bush (12) fixed connection, install equidistant three left support arms (17) on the outer wall of support frame (13), support frame (13) play power transmission's effect;
The movable frame (19), the top at threaded rod (11) is installed to movable frame (19), install equidistant three right support arms (15) on the outer wall of threaded rod (11), movable frame (19) play power transmission's effect.
2. The fixture for precision milling of cylinder castings according to claim 1, wherein: the top of right support arm (15) all installs upper right axle (18), and upper right support arm (15) are through upper right axle (18) and fly frame (19) swing joint, lower left axle (14) are all installed to the bottom of left support arm (17), and lower left support arm (17) are through lower left axle (14) and support frame (13) swing joint.
3. The fixture for precision milling of cylinder castings according to claim 1, wherein: the hinge shafts (16) are arranged on one sides, close to the right support arms (15), of the left support arms (17), and the left support arms (17) are movably connected with the right support arms (15) through the hinge shafts (16).
4. The fixture for precision milling of cylinder castings according to claim 1, wherein: three equidistant arc blocks (7) are arranged outside the threaded rod (11) on one side of the left support arm (17), a right lower shaft (6) is arranged at one end, close to the arc blocks (7), of the right support arm (15), and the right support arm (15) is movably connected with the arc blocks (7) through the right lower shaft (6).
5. The fixture for precision milling of cylinder castings according to claim 1, wherein: the one end that left support arm (17) is close to arc piece (7) all installs slider (9), and slider (9) and arc piece (7) sliding connection, upper left axle (8) are all installed to one end that left support arm (17) is close to slider (9), and upper left axle (8) and slider (9) swing joint are passed through to left support arm (17).
6. The fixture for precision milling of cylinder castings according to claim 1, wherein: the bottom of threaded rod (11) is installed handle (10), locating seat (2) are installed to the bottom symmetry of frame (1).
7. The fixture for precision milling of cylinder castings according to claim 1, wherein: the sliding sleeve (5) is symmetrically arranged at the top end of the frame (1) on one side of the threaded sleeve (12), the telescopic blocks (3) are arranged in the sliding sleeve (5), the telescopic blocks (3) extend to the outside of the sliding sleeve (5), the locking bolts (4) are arranged on the outer wall of the sliding sleeve (5) on one side of the telescopic blocks (3), and the telescopic blocks (3) are connected with the sliding sleeve (5) through the locking bolts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628160.8U CN220782982U (en) | 2023-09-27 | 2023-09-27 | Clamp for precise milling of cylinder castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628160.8U CN220782982U (en) | 2023-09-27 | 2023-09-27 | Clamp for precise milling of cylinder castings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782982U true CN220782982U (en) | 2024-04-16 |
Family
ID=90634478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322628160.8U Active CN220782982U (en) | 2023-09-27 | 2023-09-27 | Clamp for precise milling of cylinder castings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782982U (en) |
-
2023
- 2023-09-27 CN CN202322628160.8U patent/CN220782982U/en active Active
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