CN113967749A - Special fixture for cutting outer edge of telescopic fork of transmission shaft - Google Patents
Special fixture for cutting outer edge of telescopic fork of transmission shaft Download PDFInfo
- Publication number
- CN113967749A CN113967749A CN202010708089.2A CN202010708089A CN113967749A CN 113967749 A CN113967749 A CN 113967749A CN 202010708089 A CN202010708089 A CN 202010708089A CN 113967749 A CN113967749 A CN 113967749A
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- CN
- China
- Prior art keywords
- telescopic fork
- thimble
- shaft
- transmission shaft
- sleeve
- 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
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 238000005520 cutting process Methods 0.000 title claims abstract description 17
- 241000748087 Hymenothrix Species 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a special fixture for cutting the outer edge of a telescopic fork of a transmission shaft, belongs to the field of fixtures, adopts a common numerical control lathe, a cylindrical clamp shaft is arranged on a self-centering three-grab chuck of the numerical control lathe, a thread is arranged in the middle of the clamp shaft, an annular locking nut is arranged outside the thread, a cylindrical sleeve is arranged outside the right side of the clamp shaft, a U-shaped clamping plate is arranged on the right side of the sleeve, the top end of the right side of the clamp shaft is provided with a conical positioning head, a worker meshes a center hole at one end of the transmission shaft telescopic fork with the convex circle with the positioning head of the clamp shaft, meshes a center hole at the other end with a thimble of a lathe, then the lathe thimble is screwed, the worker rotates a locking nut to push the sleeve to move rightwards to force the clamping plate to clamp the convex circle of the transmission shaft telescopic fork, and the outer edge of the transmission shaft telescopic fork is cut and processed after the numerical control lathe is started.
Description
Technical Field
The invention discloses a special fixture for cutting the outer edge of a telescopic fork of a transmission shaft, belongs to the field of fixtures, and particularly relates to a fixture for processing the outer edge of a convex fork of the transmission shaft.
Background
And the transmission shaft telescopic fork is used for connecting the cross shaft and a part of the telescopic spline shaft of the transmission shaft. When a conventional transmission shaft supplier processes a transmission shaft convex fork, two ends of the transmission shaft telescopic fork are respectively drilled with a central hole, then the transmission shaft telescopic fork is placed on a lathe, the central hole with the convex end is meshed with a top of a y-shaped thimble arranged on a self-centering three-grab chuck, the central hole at the other end is propped by the thimble arranged on a lathe tailstock, and then the outer edge of the transmission shaft telescopic fork is cut. In the cutting process, because a y-type thimble is needed, and because the support arm of the y-type thimble is arranged on the side surface of the thimble, eccentric force can be generated in the rotating process to cause inaccurate cutting of the outer edge of the telescopic fork of the transmission shaft. Therefore, a special clamp which can completely clamp the convex circle of the transmission shaft telescopic fork and does not generate eccentric force is needed to replace the existing y-shaped thimble.
Disclosure of Invention
The special fixture for cutting the outer edge of the telescopic fork of the transmission shaft solves the difficulties, adopts a common numerical control lathe, a cylindrical clamp shaft is arranged on a self-centering three-grab chuck of the numerical control lathe, a thread is arranged in the middle of the clamp shaft, an annular locking nut is arranged outside the thread, a cylindrical sleeve is arranged outside the right side of the clamp shaft, a U-shaped clamping plate is arranged on the right side of the sleeve, the top end of the right side of the clamp shaft is provided with a conical positioning head, a worker meshes a center hole at one end of the transmission shaft telescopic fork with the convex circle with the positioning head of the clamp shaft, meshes a center hole at the other end with a thimble of a lathe, then the lathe thimble is screwed, the worker rotates a locking nut to push the sleeve to move rightwards to force the clamping plate to clamp the convex circle of the transmission shaft telescopic fork, and the outer edge of the transmission shaft telescopic fork is cut and processed after the numerical control lathe is started.
A special fixture for cutting the outer edge of a telescopic fork of a transmission shaft is characterized by comprising a numerical control lathe, a self-centering three-grip chuck, a thimble, a sleeve, a clamping plate, a sliding chute, a fixture shaft, a thread, a positioning head, a key pin, a locking nut, a locking rod, a convex center hole of the telescopic fork and the telescopic fork;
the numerical control lathe is rectangular and is horizontally arranged on the ground in a transverse direction, a disc-shaped self-centering three-grab chuck is arranged on the right side of a rectangular main spindle box above the left side of the numerical control lathe, a cylindrical thimble is arranged at the left top end of a cylindrical thimble shaft on the left side of a Y-shaped tailstock above the right side of the numerical control lathe, and a conical thimble head is arranged on the left side of the thimble through a bearing;
the clamp shaft is cylindrical, the top end of the left side of the clamp shaft is transversely and horizontally arranged at the center of the self-centering three-grab chuck, the surface of the middle part of the clamp shaft is provided with a spiral thread, the outer part of the thread is provided with an annular locking nut, a thread hole in the locking nut is meshed with the thread, the upper part and the lower part of the locking nut are respectively and vertically provided with a rectangular locking rod, the upper part and the lower part of the middle part of the right side of the clamp shaft are respectively and transversely provided with a rectangular key pin, and the top end of the right side of the clamp shaft is provided with a conical positioning head;
the sleeve is cylindrical and is arranged outside the right side of the clamp shaft, two rectangular sliding grooves are transversely and symmetrically arranged on the inner wall of the sleeve, and the two sliding grooves are respectively meshed with the two key pins;
the clamping plate is U-shaped and is vertically arranged on the right side of the sleeve through a central round hole, and the rectangular baffles in front and at the back of the clamping plate face the right side of the sleeve;
the center of the Y-shaped convex circle of the telescopic fork and the center of the upper V-shaped convex circle of the telescopic fork are provided with conical convex circle center holes of the telescopic fork, the convex circle center holes of the telescopic fork are meshed with the positioning head, and the center hole of the other end of the telescopic fork is meshed with the thimble and then horizontally arranged in the center above the numerically controlled lathe.
Has the advantages that: when a conventional transmission shaft supplier processes a transmission shaft convex fork, two ends of the transmission shaft telescopic fork are respectively drilled with a central hole, then the transmission shaft telescopic fork is placed on a lathe, the central hole with the convex end is meshed with a top of a y-shaped thimble arranged on a self-centering three-grab chuck, the central hole at the other end is propped by the thimble arranged on a lathe tailstock, and then the outer edge of the transmission shaft telescopic fork is cut. In the cutting process, because a y-type thimble is needed, and because the support arm of the y-type thimble is arranged on the side surface of the thimble, eccentric force can be generated in the rotating process to cause inaccurate cutting of the outer edge of the telescopic fork of the transmission shaft. A special fixture for cutting the outer edge of a telescopic transmission shaft fork is characterized in that a common numerically controlled lathe is adopted, a cylindrical fixture shaft is mounted on a self-centering three-grab chuck of the numerically controlled lathe, threads are arranged in the middle of the fixture shaft, an annular locking nut is arranged outside the threads, a cylindrical sleeve is arranged outside the right side of the fixture shaft, a U-shaped clamping plate is arranged on the right side of the sleeve, a conical positioning head is arranged at the top end of the right side of the fixture shaft, a worker meshes a center hole at one end, with a convex circle, of the telescopic transmission shaft fork with the convex circle with the positioning head of the fixture shaft, a center hole at the other end of the telescopic transmission shaft with a thimble of the lathe, then the thimble of the lathe is screwed, the locking nut pushes the sleeve to move rightwards to force the clamping plate to clamp the convex circle of the telescopic transmission shaft fork, and the outer edge of the telescopic transmission shaft fork is cut after the numerically controlled lathe is started.
Drawings
FIG. 1 is a front view of a special fixture for cutting the outer edge of a telescopic fork of a transmission shaft;
FIG. 2 is a schematic structural view of a sleeve, a clamping plate, a sliding groove, a clamp shaft, a thread, a positioning head, a key pin, a lock nut and a locking rod;
FIG. 3 is a front view of the telescopic fork and the convex center hole of the telescopic fork;
the numerical control lathe 1, the self-centering three-grab chuck 2, the thimble 3, the sleeve 4, the clamping plate 5, the sliding groove 6, the clamp shaft 7, the thread 8, the positioning head 9, the key pin 10, the locking nut 11, the locking rod 12, the convex center hole 13 of the telescopic fork and the telescopic fork 14 are marked in the figures.
Detailed Description
The shape and construction of the present invention will now be described in detail with reference to the accompanying drawings and reference numerals:
a special clamp for cutting the outer edge of a telescopic fork of a transmission shaft is characterized by comprising a numerically controlled lathe 1, a self-centering three-grab chuck 2, a thimble 3, a sleeve 4, a clamping plate 5, a sliding groove 6, a clamp shaft 7, a thread 8, a positioning head 9, a key pin 10, a locking nut 11, a locking rod 12, a convex center hole 13 of the telescopic fork and a telescopic fork 14;
the numerical control lathe 1 is rectangular and is horizontally arranged on the ground in a transverse direction, a disc-shaped self-centering three-grab chuck 2 is arranged on the right side of a rectangular main spindle box above the left side of the numerical control lathe 1, a cylindrical thimble 3 is arranged at the left top end of a cylindrical thimble shaft on the left side of a Y-shaped tailstock above the right side of the numerical control lathe 1, and a conical thimble head is arranged on the left side of the thimble 3 through a bearing;
the clamp shaft 7 is cylindrical, the top end of the left side of the clamp shaft is transversely and horizontally arranged at the center of the self-centering three-grab chuck 2, a spiral thread 8 is arranged on the surface of the middle part of the clamp shaft 7, an annular locking nut 11 is arranged outside the thread 8, a thread hole in the locking nut 11 is meshed with the thread 8, a rectangular locking rod 12 is vertically arranged above and below the locking nut 11, a rectangular key pin 10 is transversely arranged above and below the middle part of the right side of the clamp shaft 7, and a conical positioning head 9 is arranged at the top end of the right side of the clamp shaft 7;
the sleeve 4 is cylindrical and is arranged outside the right side of the clamp shaft 7, two rectangular sliding grooves 6 are transversely and symmetrically arranged on the inner wall of the sleeve 4, and the two sliding grooves 6 are respectively meshed with the two key pins 10;
the clamping plate 5 is U-shaped and is vertically arranged on the right side of the sleeve 4 through a central round hole, and the rectangular baffles at the front and the back of the clamping plate 5 face the right side of the sleeve 4;
the telescopic fork 14 is Y-shaped, a conical telescopic fork convex circle center hole 13 is arranged in the center of an upper V-shaped convex circle, the telescopic fork convex circle center hole 13 of the telescopic fork 14 is meshed with the positioning head 9, and a center hole at the other end of the telescopic fork 14 is meshed with the ejector pin 3 and then is horizontally arranged in the center of the upper surface of the numerically controlled lathe 1.
When the special clamp for cutting the outer edge of the telescopic fork of the transmission shaft is used, a worker meshes the center hole at one end, provided with the convex circle, of the telescopic fork of the transmission shaft with the processed center hole with the positioning head of the clamp shaft, enables the upper convex circle and the lower convex circle of the telescopic fork of the transmission shaft to be clamped in the groove on the right side of the clamping plate, meshes the center hole at the other end with the ejector pin of the lathe, controls the ejector pin shaft motor to drive the turntable to rotate through the button of the lathe control box, enables the ejector pin shaft to drive the ejector pin to move leftwards to enable the telescopic fork of the transmission shaft to be firmly propped against the positioning head, rotates the locking rod of the locking nut, enables the locking nut to push the sleeve rightwards to synchronously move rightwards to force the clamping plate to clamp the upper convex circle and the lower convex circle of the telescopic fork of the transmission shaft, starts the numerical control lathe, performs cutting processing on the middle part and the outer edge on the right side of the telescopic fork of the transmission shaft according to a set program, and after the cutting is finished, The turning tool of the numerical control lathe automatically retreats, the numerical control lathe stops working, a worker reversely rotates a locking rod of a locking nut, the locking nut moves leftwards to loosen the sleeve, a clamping plate synchronously loosens the upper convex circle and the lower convex circle of the transmission shaft telescopic fork, the worker then controls a thimble shaft motor through a button of a lathe control box to drive a turntable to reversely rotate so that a thimble shaft moves rightwards to loosen the transmission shaft telescopic fork, the worker quickly takes down the machined transmission shaft telescopic fork to place one side, and then the unprocessed transmission shaft telescopic fork is replaced to be machined again according to the steps.
The above-mentioned non-detailed description is prior art.
The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims.
Claims (1)
1. A special fixture for cutting the outer edge of a telescopic fork of a transmission shaft is characterized by comprising a numerical control lathe, a self-centering three-grip chuck, a thimble, a sleeve, a clamping plate, a sliding chute, a fixture shaft, a thread, a positioning head, a key pin, a locking nut, a locking rod, a convex center hole of the telescopic fork and the telescopic fork;
the numerical control lathe is rectangular and is horizontally arranged on the ground in a transverse direction, a disc-shaped self-centering three-grab chuck is arranged on the right side of a rectangular main spindle box above the left side of the numerical control lathe, a cylindrical thimble is arranged at the left top end of a cylindrical thimble shaft on the left side of a Y-shaped tailstock above the right side of the numerical control lathe, and a conical thimble head is arranged on the left side of the thimble through a bearing;
the clamp shaft is cylindrical, the top end of the left side of the clamp shaft is transversely and horizontally arranged at the center of the self-centering three-grab chuck, the surface of the middle part of the clamp shaft is provided with a spiral thread, the outer part of the thread is provided with an annular locking nut, a thread hole in the locking nut is meshed with the thread, the upper part and the lower part of the locking nut are respectively and vertically provided with a rectangular locking rod, the upper part and the lower part of the middle part of the right side of the clamp shaft are respectively and transversely provided with a rectangular key pin, and the top end of the right side of the clamp shaft is provided with a conical positioning head;
the sleeve is cylindrical and is arranged outside the right side of the clamp shaft, two rectangular sliding grooves are transversely and symmetrically arranged on the inner wall of the sleeve, and the two sliding grooves are respectively meshed with the two key pins;
the clamping plate is U-shaped and is vertically arranged on the right side of the sleeve through a central round hole, and the rectangular baffles in front and at the back of the clamping plate face the right side of the sleeve;
the center of the Y-shaped convex circle of the telescopic fork and the center of the upper V-shaped convex circle of the telescopic fork are provided with conical convex circle center holes of the telescopic fork, the convex circle center holes of the telescopic fork are meshed with the positioning head, and the center hole of the other end of the telescopic fork is meshed with the thimble and then horizontally arranged in the center above the numerically controlled lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708089.2A CN113967749A (en) | 2020-07-22 | 2020-07-22 | Special fixture for cutting outer edge of telescopic fork of transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708089.2A CN113967749A (en) | 2020-07-22 | 2020-07-22 | Special fixture for cutting outer edge of telescopic fork of transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113967749A true CN113967749A (en) | 2022-01-25 |
Family
ID=79584672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010708089.2A Pending CN113967749A (en) | 2020-07-22 | 2020-07-22 | Special fixture for cutting outer edge of telescopic fork of transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113967749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714138A (en) * | 2022-06-06 | 2022-07-08 | 智驱机电科技(常州)有限公司 | Machining tool for finish machining of lower yoke plate |
-
2020
- 2020-07-22 CN CN202010708089.2A patent/CN113967749A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714138A (en) * | 2022-06-06 | 2022-07-08 | 智驱机电科技(常州)有限公司 | Machining tool for finish machining of lower yoke plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220125 |