CN202517149U - Gear shaving clamp - Google Patents
Gear shaving clamp Download PDFInfo
- Publication number
- CN202517149U CN202517149U CN 201220034176 CN201220034176U CN202517149U CN 202517149 U CN202517149 U CN 202517149U CN 201220034176 CN201220034176 CN 201220034176 CN 201220034176 U CN201220034176 U CN 201220034176U CN 202517149 U CN202517149 U CN 202517149U
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- CN
- China
- Prior art keywords
- mandrel
- gear
- shaving
- snake abdomen
- plain washer
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a gear shaving clamp. The gear shaving clamp is used on a machine tool of a gear shaving machine, and comprises a mandrel, a positioning flat washer, a corrugated sleeve, a compression flat washer, a cross washer and a compression nut which can be arranged on the machine tool of the gear shaving machine; a boss is formed on the middle part of the mandrel; a positioning shaft extends rightward along the right end surface of the boss; the corrugated sleeve penetrates through the positioning flat washer and is sleeved on the positioning shaft; the corrugated sleeve and the positioning flat washer are positioned on the right end surface of the boss together; the compression flat washer penetrates through the mandrel and is pressed on the right end surface of the corrugated sleeve; the cross washer penetrates through the mandrel and is pressed on the right end surface of the compression flat washer; the compression nut is arranged at the right end of the cross washer; and the compression nut is connected with the right end of the mandrel through a thread. The gear shaving clamp is high in positioning precision and long in service life; the gear shaving machining precision is improved; workpieces are very convenient and quick to assemble and disassemble; the auxiliary time for machining the workpieces is shortened; and the machining production efficiency is improved.
Description
Technical field
The utility model relates to a kind of Fixture for Gear-shaving, belongs to the Gear Processing technological equipment.
Background technology
Existing Fixture for Gear-shaving generally all is with pack into the locating shaft of shaving mandrel of direct geared, compresses with common plain washer or open washer, nut again.No matter the bore of producing in batches is circular hole or splined hole, generally all is to be formed by the broaching tool broaching.In order to let broaching tool that arranged enough service life, new broaching tool always lets the hole accomplish full-size.And the anchor clamps positioning core axle can both be installed in order to guarantee qualified part, and its size is always accomplished also littler than Kongzui small size.Unavoidably just gapped and produce position error between the two like this, influence machining accuracy.Hold down gag adopts common plain washer or open washer, makes the distortion of workpiece and mandrel for certainly led to the location than the slotted hole workpiece, influences machining accuracy, and the service life of anchor clamps is short.
Summary of the invention
For addressing the above problem, the utility model provides a kind of Fixture for Gear-shaving, and these anchor clamps adopt snake abdomen nested structure, have eliminated the gap between workpiece hole and the locating shaft; Adopt plain washer and cross washer combinations form to compress and avoided crossing of workpiece clamping to locate, make that the machining accuracy of part is high.
For achieving the above object, the technical scheme that the utility model adopted is:
A kind of Fixture for Gear-shaving; This Fixture for Gear-shaving is used for the gear shaving machine lathe; Comprise the mandrel that can be installed on the gear shaving machine lathe, location plain washer, snake abdomen cover, compress plain washer, cross packing ring, clamp nut, one boss is arranged, extend a locating shaft to the right along the right side of said boss at the middle part of said mandrel; Said snake abdomen cover passes location plain washer and being placed on the locating shaft, and said snake abdomen cover and location plain washer co are in the right side of boss; Saidly compress that plain washer passes mandrel and the right side that is pressed in snake abdomen cover, said cross packing ring passes mandrel and compresses the right side of plain washer, at the right-hand member of said cross packing ring one clamp nut is arranged, and said clamp nut is threaded with the mandrel right-hand member.
Said snake abdomen cover comprises three annulus that are arranged in order that connect through six long protruding wings each other; Annulus outer surface in the left and right sides has six the concordant protruding wings of weak point of left side, right side with snake abdomen cover respectively; There is an anti-rotation groove annulus end in the left side; Be fixedly connected through a stop pin between said snake abdomen cover and the locating shaft, said stop pin one end passes anti-rotation groove, and the other end penetrates locating shaft.Stop pin can prevent that snake abdomen cover from rotating with respect to mandrel.
The said external diameter H of plain washer, the external diameter h of cross packing ring and the external diameter N of clamp nut of compressing all is less than or equal to snake abdomen cover D outer diameter.
The both sides end face of said cross packing ring has two orthogonal convexities in space respectively.
At end face center, the both sides of said mandrel a mandrel centre bore is arranged respectively.
The flat department of mandrel that a pair of relative mandrel axle center symmetry is arranged at the left end axial surface of said mandrel.
The operation principle of the utility model is, this Fixture for Gear-shaving that installs workpiece is through its mandrel two ends centre bore, level be installed to gear shaving machine two top between; Utilizing the snake abdomen to overlap axial pressurized has trace to move can to force its characteristics that are radially expanded clamping work pieces, through the clamp nut of screwing, then the cross packing ring, compress the right side that plain washer is pressed on snake abdomen cover; Thereby make snake abdomen cover diametric(al) tensioner; Eliminate the gap between workpiece hole and the mandrel, improved positioning accuracy, thereby improved the shaving precision.Again because the cross packing ring only limits one degree of freedom, workpiece and mandrel are crossed locate and be out of shape, guaranteed machining accuracy.
All be less than or equal to snake abdomen cover external diameter (being workpiece hole) owing to compress the external diameter of plain washer, the external diameter of cross packing ring and the external diameter of clamp nut; Again because snake abdomen cover adopts highly elastic material to process and special domes; When workpiece after shave processes tooth, in case clamp nut unclamps, the diameter of snake abdomen cover is returned to initial size again at once; Workpiece just can directly take off from anchor clamps, changes another workpiece to be processed again.The utility model Fixture for Gear-shaving is used alternatingly general two of when work together, and one is used to install workpiece, a shaving on gear shaving machine of having adorned workpiece.Shaving finishes the back from the utility model Fixture for Gear-shaving that gear shaving machine takes off the band workpiece, and the utility model Fixture for Gear-shaving of just adorning workpiece directly is installed to shaving on the gear shaving machine through two center holes, process take off after change again and treat the shaving workpiece.
The utility model reaches without snake abdomen cover cylindrical mandrel Fixture for Gear-shaving with conventional flat packing ring or open washer and compares, and advantage is to have improved positioning accuracy owing to having adopted the snake abdomen to overlap, thereby has improved the shaving machining accuracy; Avoid crossing of workpiece to locate owing to adopted plain washer and cross washer combinations form to compress, guaranteed machining accuracy; Need not take off owing to compress plain washer, cross packing ring, clamp nut when changing workpiece, the workpiece installing/dismounting is very convenient, quick, has shortened the non-cutting time of workpiece processing, has improved processing efficient, and the long service life of these anchor clamps.
Description of drawings
Cross section structure sketch map when Fig. 1 loads onto workpiece for the utility model;
Fig. 2 is the perspective view of snake abdomen cover;
Fig. 3 is the perspective view of cross packing ring.
Among the figure: comprise mandrel 1, mandrel centre bore 1-1, the 1-2 of the flat department of mandrel, locating shaft 1-3, boss 1-4, stop pin 2, location plain washer 3, snake abdomen cover 4, annulus 4-1, long protruding wing 4-2, short protruding wing 4-3, anti-rotation groove 4-4, workpiece 5, compress plain washer 6, cross packing ring 7, protruding 7-1, clamp nut 8.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Like Fig. 1～shown in Figure 3, a kind of Fixture for Gear-shaving comprises mandrel 1, location plain washer 3, snake abdomen cover 4, compresses plain washer 6, cross packing ring 7, clamp nut 8.
At the middle part of mandrel 1 a boss 1-4 is arranged, extend a locating shaft 1-3 to the right along the right side of boss 1-4, snake abdomen cover 4 passes location plain washer 3 and is placed on the locating shaft 1-3, and snake abdomen cover 4 and location plain washer 3 co are in the right side of boss 1-4; Snake abdomen cover 4 comprises three annulus 4-1; Connect through six protruding wing 4-2 of the length that circumferentially is uniformly distributed with between the annulus 4-1; At the annulus 4-1 of left and right sides outer surface the concordant protruding wing 4-3 of six weak points that circumferentially are uniformly distributed with in lower surface, upper surface with snake abdomen cover 4 is arranged respectively; There is an anti-rotation groove 4-4 annulus 4-1 end in the left side, is fixedly connected through a stop pin 2 between snake abdomen cover 4 and the locating shaft 1-3, and stop pin 2 one ends pass anti-rotation groove 4-4; The other end penetrates locating shaft 1-3, and present embodiment snake abdomen cover 4 adopts carbon steel 65Mn material.
Compress that plain washer 6 passes mandrel 1 and the right side that is pressed in snake abdomen cover 4; The both sides end face has the cross packing ring 7 of a pair of protruding 7-1 to pass mandrel 1 respectively and is pressed in the right side that compresses plain washer 6, at the right-hand member of cross packing ring 7 clamp nut 8 that is threaded with mandrel 1 right-hand member is arranged.A mandrel centre bore 1-1 is arranged respectively at end face center, the both sides of mandrel 1, the 1-2 of the flat department of a pair of mandrel is arranged at the left end axial surface of mandrel 1.
Present embodiment compresses the external diameter N of external diameter h and clamp nut 8 of external diameter H, cross packing ring 7 of plain washer 6 all less than the D outer diameter (being workpiece hole) of snake abdomen cover 4.
The step that the utility model is installed workpiece in when work is: vertically place in inserting on the workbench that workpiece is installed mandrel 1 left end of this Fixture for Gear-shaving with the circular hole of flat department downwards; The 1-2 of the flat department of mandrel aligns with anti-rotation with the flat department of this circular hole; The workpiece of treating shaving 5 directly is set to the cylindrical centering of snake abdomen cover 4, be pressed onto location, plain washer 3 upper surfaces, location after, slightly press jack panel 8 with spanner; Then the snake abdomen overlaps behind the 4 upper surface axial compressions radially tensioner, realizes the clamping of workpiece 5.Add man-hour: through two mandrel centre bore 1-1 levels be installed to lathe two top between.Open gear shaving machine, the positive and negative rotation of gear shaver drives workpiece 5 engagements and rotates, and workpiece 5 move left and right under top drive realizes shave processing simultaneously.After workpiece 5 shaves process tooth; Mandrel 1 left end with this Fixture for Gear-shaving inserts downwards on the workbench that workpiece is installed with vertically placing in the circular hole of flat department again; With the slightly loose clamp nut 8 of spanner, the diameter of snake abdomen cover 4 is returned to initial size again at once, and workpiece 5 just can directly take off from these anchor clamps.
The utility model not only machining accuracy is high, and the workpiece installing/dismounting is very convenient, quick, has shortened the non-cutting time of workpiece processing, has improved processing efficient.
Claims (6)
1. Fixture for Gear-shaving; This Fixture for Gear-shaving is used for the gear shaving machine lathe; It is characterized in that: comprise the mandrel (1) that can be installed on the gear shaving machine lathe, location plain washer (3), snake abdomen cover (4), compress plain washer (6), cross packing ring (7), clamp nut (8); At the middle part of said mandrel (1) boss (1-4) is arranged; Right side along said boss (1-4) is extended a locating shaft (1-3) to the right, and said snake abdomen cover (4) passes location plain washer (3) and being placed on the locating shaft (1-3), and said snake abdomen cover (4) and location plain washer (3) co are in the right side of boss (1-4); Saidly compress that plain washer (6) passes mandrel (1) and the right side that is pressed in snake abdomen cover (4); Said cross packing ring (7) passes mandrel (1) and compresses the right side of plain washer (6), at the right-hand member of said cross packing ring (7) clamp nut (8) is arranged, and said clamp nut (8) is threaded with mandrel (1) right-hand member.
2. Fixture for Gear-shaving according to claim 1; It is characterized in that: said snake abdomen cover (4) comprises three annulus (4-1) that are arranged in order that connect through six long protruding wings (4-2) each other; Annulus (4-1) outer surface in the left and right sides has six the weak point protruding wings (4-3) concordant with left side, the right side of snake abdomen cover (4) respectively; There is an anti-rotation groove (4-4) annulus (4-1) end in the left side; Be fixedly connected through a stop pin (2) between said snake abdomen cover (4) and the locating shaft (1-3), said stop pin (2) one ends pass anti-rotation groove (4-4), and the other end penetrates locating shaft (1-3).
3. Fixture for Gear-shaving according to claim 1 is characterized in that: the external diameter h of the said external diameter H that compresses plain washer (6), cross packing ring (7) and the external diameter N of clamp nut (8) all are less than or equal to the D outer diameter of snake abdomen cover (4).
4. according to claim 1 or 3 described Fixture for Gear-shaving, it is characterized in that: the both sides end face of said cross packing ring (7) has orthogonal convexity (7-1) on two spaces respectively.
5. Fixture for Gear-shaving according to claim 1 is characterized in that: the end face center, both sides at said mandrel (1) has a mandrel centre bore (1-1) respectively.
6. according to claim 1 or 5 described Fixture for Gear-shaving, it is characterized in that: the flat department of mandrel (1-2) that a pair of relative mandrel (1) axle center symmetry is arranged at the left end axial surface of said mandrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220034176 CN202517149U (en) | 2012-02-03 | 2012-02-03 | Gear shaving clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220034176 CN202517149U (en) | 2012-02-03 | 2012-02-03 | Gear shaving clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202517149U true CN202517149U (en) | 2012-11-07 |
Family
ID=47100117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220034176 Expired - Fee Related CN202517149U (en) | 2012-02-03 | 2012-02-03 | Gear shaving clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202517149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149701A (en) * | 2015-09-28 | 2015-12-16 | 大族激光科技产业集团股份有限公司 | Clamp for gear machining |
| CN112621612A (en) * | 2020-12-25 | 2021-04-09 | 清华大学 | Shafting part positioning and pressing device |
-
2012
- 2012-02-03 CN CN 201220034176 patent/CN202517149U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149701A (en) * | 2015-09-28 | 2015-12-16 | 大族激光科技产业集团股份有限公司 | Clamp for gear machining |
| CN112621612A (en) * | 2020-12-25 | 2021-04-09 | 清华大学 | Shafting part positioning and pressing device |
| CN112621612B (en) * | 2020-12-25 | 2024-04-09 | 清华大学 | Shafting part positioning and compressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140203 |