CN202556116U - Axial positioning sleeve of shaft type machined parts on lathe - Google Patents
Axial positioning sleeve of shaft type machined parts on lathe Download PDFInfo
- Publication number
- CN202556116U CN202556116U CN2012201949547U CN201220194954U CN202556116U CN 202556116 U CN202556116 U CN 202556116U CN 2012201949547 U CN2012201949547 U CN 2012201949547U CN 201220194954 U CN201220194954 U CN 201220194954U CN 202556116 U CN202556116 U CN 202556116U
- Authority
- CN
- China
- Prior art keywords
- positioning sleeve
- sleeve base
- face
- axial
- axial location
- 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 - Lifetime
Links
- 210000000078 claw Anatomy 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model provides an axial positioning sleeve which comprises a positioning sleeve end face, a positioning sleeve wall and a positioning sleeve base. The positioning sleeve base is a cylinder. The positioning sleeve wall is shaped like a cylinder and is vertical to the positioning sleeve base. The positioning sleeve base and the positioning sleeve wall are coaxial, and the peripheral diameters of the positioning sleeve base and the positioning sleeve wall are not larger than the inner diameter of a to-be-inserted main shaft hole of a lathe. The end of the positioning sleeve wall which is not connected with the positioning sleeve base protrudes outwards to form the positioning sleeve end face, and the outer diameter of the positioning sleeve end face is larger than the inner diameter of the main shaft hole of the lathe. Three jaw jacks are arranged on the axial positioning sleeve from the joint of the positioning sleeve wall and the positioning sleeve base to the upper end of the positioning sleeve end face. Three jaws of a three jaw chuck can be inserted into the inner side of the axial positioning sleeve through the jaw jacks. Therefore, the three jaw chuck can freely expand and contract in the axial positioning sleeve to quickly clamp and axially fix to-be-machined shaft type machined parts, clamping length is improved, and uniform stress of the jaws is guaranteed. According to the axial positioning sleeve, axial positioning of the shaft type machined parts can also be achieved.
Description
Technical field
The utility model relates to the positioner of a kind of class workpiece, particularly the axial location cover of a kind of class workpiece on lathe.
Background technology
Referring to Fig. 1 and Fig. 2, lathe is when turning axle class workpiece 3, and axle type workpiece 3 holds out against by top 2 diametrically by 11 clampings of three claws of scroll chuck 1 in the axial direction, forms fixing axle class workpiece 3 thus.In order to cooperate with top 2; An axle type workpiece 3 is provided with the centre bore 31 that caves inward in the contact-making surface center that contacts with top 2; Top 2 tip withstands on centre bore 31 places, and the lathe spindle centre of gyration and top 2 the centre of gyration are coaxial, and axle type workpiece 3 is when rotating; Top 2 rear portions are fixed on the tail stock (not shown), and are anterior with 3 rotations of axle class workpiece.In order to cooperate with claw 11, the abutting end turner skill step 32 of axle type workpiece 3 and claw 11, technology step 32 and claw 11 surface engagement are to prevent to produce axial float during clamping.The length that axle type workpiece 3 enters in the claw 11 is referred to as clamping length d, receives the limitation in height of technology step 32, can't free adjustment.The direction of arrow is top 2 to withstand the power thrusts of axle type workpiece 3 among Fig. 1.
Yet, when turning process step 32, the processing of need turning around repeatedly, operation is more, and efficient is low; Three claws 11 can only be clamped that sub-fraction of clamping length d by the end of claw 11 when clamp shaft class workpiece 3, claw 11 inside do not stress, so understand discontinuity equalization for a long time, cause clamping precision to reduce or damage.
The utility model content
The main purpose of the utility model provides a kind of novel axial location cover, can be to needs
The axle of processing type workpiece quick-clamping provides good axial location function, avoids scroll chuck
The generation of unbalance stress situation.
For realizing above-mentioned purpose, the utility model has been taked following technical scheme:
The axial location cover of the utility model comprises positioning sleeve end face, location jacket wall and positioning sleeve base.Said positioning sleeve base is a cylinder; Said location jacket wall is cylindric; Vertical with said positioning sleeve base, said positioning sleeve base and said location jacket wall are coaxial, and the outer circumference diameter of said positioning sleeve base and said location jacket wall is not more than the lathe spindle hole internal diameter that is inserted into.Said location jacket wall is the said positioning sleeve end face of outwards outstanding formation at an end place that is not connected with said positioning sleeve base, and the external diameter of said positioning sleeve end face makes said positioning sleeve end face can't insert in the said lathe spindle hole greater than said lathe spindle hole internal diameter.Upper end from the junction of said location jacket wall and said positioning sleeve base to said positioning sleeve end face has three claw sockets, and it is inner that three claws of scroll chuck can insert said axial location cover through said claw socket.Axle to be fixed type workpiece one end is against said axial location and puts (on the for example said positioning sleeve base) and carry out axial restraint, and its sidepiece clamps by three claws, carries out radially fixing.
Preferably, said positioning sleeve end face be one with said positioning sleeve base and the coaxial ring of said location jacket wall, and parallel with said positioning sleeve base.
Preferably, the outer circumference diameter of said positioning sleeve base and said location jacket wall is equal to the internal diameter in said lathe spindle hole, makes said positioning sleeve base and said location jacket wall can just insert in the said lathe spindle hole.
Preferably, the height of said claw socket is 60-80mm, and is stressed evenly to guarantee said claw.
Preferably, said axial location cover also comprises locknut and adjusting screw.The place offers a screwed through hole in said positioning sleeve center; Said adjusting screw bottom is provided with the screw thread with the threaded engagement of said through hole, and said locknut can be fixed said adjusting screw and said positioning sleeve base below said positioning sleeve base.Like this, can adjust the height that it is exposed at said positioning sleeve base top through the said adjusting screw of rotation, thus the clamping length of regulating shaft class workpiece.
Further preferably, the upper end of said adjusting screw is and its axial vertical plane, to guarantee that with end face be that the axle type workpiece on plane is stressed even when being connected.
Preferably, said axial location cover is processed by the 45# steel, can not be out of shape when guaranteeing that said axial location is enclosed within the said axle of processing type workpiece.
The axial location cover of the utility model can withstand the end face of axle type workpiece, forms axial location; Axial location is arranged with three claw sockets; Make claw therefrom freely to stretch; Do not influence the radial location function of scroll chuck to axle class workpiece, clamping is rapid, and an axle type workpiece can insert by in three formed grasping parts of claw; Clamping length d increases greatly, has avoided because of the only generation of the stressed unbalance stress situation that causes of fraction of claw.
Description of drawings
Fig. 1 is traditional axle type workpiece fixed form sketch map;
Fig. 2 is the sectional view of Fig. 1 axis class workpiece;
Fig. 3 is the front view of novel axial positioning sleeve;
Fig. 4 is the right view of axial location cover shown in Figure 3;
Fig. 5 is the vertical view of axial location cover shown in Figure 3.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiment that the axial location of the utility model is overlapped is described in detail.Should be noted that hereinafter listed " on ", D score is the direction among Fig. 3.
Like Fig. 3-shown in Figure 5, the axial location of the utility model cover 4 comprises positioning sleeve end face 41, location jacket wall 42, positioning sleeve base 43, locknut 5 and adjusting screw 6.Positioning sleeve base 43 is a flat cylinder; Location jacket wall 42 along the periphery of positioning sleeve base 43 vertically upward; Positioning sleeve base 43 is identical with the outer circumference diameter of location jacket wall 42, is equal to the internal diameter of lathe spindle hole (not shown), and the internal diameter of location jacket wall 42 is greater than the diameter of axle class workpiece 3; Positioning sleeve end face 41 is outwards given prominence to an annulus that forms for location jacket wall 42 at its end place that is not connected with positioning sleeve base 43, positioning sleeve end face 41 outer circumference diameter are greater than the internal diameter in lathe spindle hole, and positioning sleeve end face 41 is parallel with positioning sleeve base 43.Positioning sleeve end face 41, location jacket wall 42 and positioning sleeve base 43 are coaxial.The diameter of adjusting screw 6 is not more than the diameter of axle type workpiece.
The material require of axial location cover 4 satisfies the certain rigidity requirement, overlaps 4 indeformablely to guarantee when axle class workpiece 3 is carried out axial restraint axial location, preferably adopts the 45# steel.Stressed evenly for guaranteeing claw 11, so claw socket 44 need satisfy the certain height requirement, preferred heights is 60-80mm.For guarantee end face be the axle type workpiece 3 on plane when the end face with adjusting screw 6 withstands stressed evenly, the end face of adjusting screw 6 is required to be the axial vertical plane with adjusting screw 6.
In use, need axial location be overlapped in the 4 laterally inserted lathe spindle holes.At first as required, regulate adjusting screw 6 and be exposed at the length that axial location is overlapped 4 right sides, make the right side of adjusting screw 6 take back, and adjusting screw 6 is fixed with locknut 5 with respect to claw 11 low order ends; Then axial location cover 4 is inserted in the lathe spindle hole, because positioning sleeve end face 41 external diameters are greater than lathe spindle hole internal diameter, so axial location cover 4 just can arbitrarily not move; The orientation of adjustment claw socket 44 makes it face three claws 11; The right side of then axle class workpiece 3 one ends (not needing to be provided with the technology step again) being withstood adjusting screw 6; The centre bore 31 of the other end withstands by top 2; Shrink claw 11; Because claw 11 low order ends surpass the right side of adjusting screw 6, and the diameter of adjusting screw 6 is not more than an axle type workpiece 3, makes that claw 11 can clamp shaft class workpiece 3.Thus, axial location cover 4 is just fully fixing by claw 11 and lathe, and axle type workpiece 3 to be processed is just carried out axial restraint with top 2 from two relative directions by adjusting screw 6 respectively, and has been undertaken radially fixing by three claws 11.
Behind the axial location cover 4 that uses the utility model to provide, an axle type workpiece 3 need not turning process step 32, has reduced operation, has improved efficient; Claw 11 can freely stretch in claw socket 44, and clamping is rapid; Axle type workpiece 3 withstands the end face of adjusting screw 6, has realized the axial location to axle class workpiece 3; Expose the length that axial location is overlapped 4 tops through regulating adjusting screw 6; Realize free adjustment axle class workpiece 3 by the length of three claw 11 clampings, avoided because of the only generation of situation such as the stressed unbalance stress that causes of part and clamping precision reduction that causes thus or damage of claw 11.
The foregoing description only supplies to explain the utility model; And be not to be the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also should belong to the category of the utility model, and the scope of patent protection of the utility model should be limited each claim.
Claims (7)
1. an axial location cover is characterized in that, comprises positioning sleeve end face, location jacket wall and positioning sleeve base;
Said positioning sleeve base is a cylinder; Said location jacket wall is cylindric; Vertical with said positioning sleeve base, said positioning sleeve base and said location jacket wall are coaxial, and the outer circumference diameter of said positioning sleeve base and said location jacket wall is not more than the lathe spindle hole internal diameter that is inserted into;
Said location jacket wall is the said positioning sleeve end face of outwards outstanding formation at an end place that is not connected with said positioning sleeve base, and the external diameter of said positioning sleeve end face is greater than said lathe spindle hole internal diameter;
Upper end in the junction of said location jacket wall and said positioning sleeve base to said positioning sleeve end face is provided with three claw sockets, and it is inner that three claws of scroll chuck can insert said axial location cover through said claw socket.
2. axial location cover according to claim 1 is characterized in that, said positioning sleeve end face be one with said positioning sleeve base and the coaxial ring of said location jacket wall, and parallel with said positioning sleeve base.
3. axial location cover according to claim 1 is characterized in that, the outer circumference diameter of said positioning sleeve base and said location jacket wall is equal to the internal diameter in said lathe spindle hole.
4. axial location cover according to claim 1 is characterized in that, the height of said claw socket is 60-80mm.
5. axial location cover according to claim 1 is characterized in that, said axial location cover also comprises locknut and adjusting screw;
The place offers a screwed through hole in said positioning sleeve center; Said adjusting screw bottom is provided with the screw thread with the threaded engagement of said through hole, and said locknut can be fixed said adjusting screw and said positioning sleeve base below said positioning sleeve base.
6. axial location cover according to claim 5 is characterized in that, the upper end of said adjusting screw is and its axial vertical plane.
7. according to claim 1 or 5 described axial location covers, it is characterized in that said axial location cover is processed by the 45# steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201949547U CN202556116U (en) | 2012-05-02 | 2012-05-02 | Axial positioning sleeve of shaft type machined parts on lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201949547U CN202556116U (en) | 2012-05-02 | 2012-05-02 | Axial positioning sleeve of shaft type machined parts on lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202556116U true CN202556116U (en) | 2012-11-28 |
Family
ID=47205816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201949547U Expired - Lifetime CN202556116U (en) | 2012-05-02 | 2012-05-02 | Axial positioning sleeve of shaft type machined parts on lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202556116U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385015A (en) * | 2014-09-11 | 2015-03-04 | 西安鸣士数控机床有限公司 | Axial precision positioner of a spring chuck |
| CN105415004A (en) * | 2015-11-30 | 2016-03-23 | 哈尔滨飞机工业集团有限责任公司 | Locating clamp for preventing part from shifting on chuck |
| CN107470661A (en) * | 2017-09-14 | 2017-12-15 | 武汉市恒通诚汽车零部件有限公司 | Shaft-like workpiece axial direction positioning device, shaft-like workpiece machining tool and processing method |
| CN109848741A (en) * | 2019-04-01 | 2019-06-07 | 朱爱军 | A kind of processing tool and processing method of automatic diminution damping block casting shape position error |
| CN110434650A (en) * | 2019-07-16 | 2019-11-12 | 无锡市亨达电机有限公司 | A kind of axis processing adjustable clamp structure |
-
2012
- 2012-05-02 CN CN2012201949547U patent/CN202556116U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385015A (en) * | 2014-09-11 | 2015-03-04 | 西安鸣士数控机床有限公司 | Axial precision positioner of a spring chuck |
| CN105415004A (en) * | 2015-11-30 | 2016-03-23 | 哈尔滨飞机工业集团有限责任公司 | Locating clamp for preventing part from shifting on chuck |
| CN107470661A (en) * | 2017-09-14 | 2017-12-15 | 武汉市恒通诚汽车零部件有限公司 | Shaft-like workpiece axial direction positioning device, shaft-like workpiece machining tool and processing method |
| CN109848741A (en) * | 2019-04-01 | 2019-06-07 | 朱爱军 | A kind of processing tool and processing method of automatic diminution damping block casting shape position error |
| CN110434650A (en) * | 2019-07-16 | 2019-11-12 | 无锡市亨达电机有限公司 | A kind of axis processing adjustable clamp structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202556116U (en) | Axial positioning sleeve of shaft type machined parts on lathe | |
| CN204868271U (en) | Lathe is with anchor clamps of long and thin annular thin wall spare of processing | |
| CN209902678U (en) | Auxiliary supporting device for processing cylindrical thin-wall parts | |
| CN207642687U (en) | A kind of 135 ° of connector turning clamping and positioning devices | |
| CN204396948U (en) | A kind of excircle of barrel-shaped parts Special Fixture for Machining | |
| CN104400046A (en) | Tool clamping chuck | |
| CN108838417B (en) | Clamp for machining shaft sleeve parts | |
| CN203380442U (en) | Gear shaping clamp of internal spline of shaft sleeve | |
| CN203696482U (en) | Inner hole machining fixing clamp for ring parts | |
| CN104589117A (en) | Tool clamping structure | |
| CN202622366U (en) | Clamp for machining ball head | |
| CN111906688B (en) | Taper grouping mandrel with axial positioning device | |
| CN209206499U (en) | A kind of motor casing workpiece machining clamp | |
| CN201791996U (en) | Connecting rod flat end surface clamp with included angle | |
| CN108818018A (en) | A kind of end cap Special Fixture for Machining and its clamping method | |
| CN211163055U (en) | Lathe fixture for ensuring machining of hard tube type slender shaft parts | |
| CN203343885U (en) | Fixture for grinding long shaft bores | |
| CN217860176U (en) | Eccentric sleeve clamp | |
| CN205996618U (en) | A kind of flange plate cylindrical turning fixture | |
| CN104588709A (en) | Tool chuck for preventing cylinder clamp from rotating | |
| CN216370555U (en) | Linear cutting guider | |
| CN204248005U (en) | Elastic jacket self-centering pin | |
| CN103143793A (en) | Hobbing fixture | |
| CN103350262A (en) | Shaft sleeve internal spline gear shaping clamp | |
| CN220679594U (en) | Machine tool fixture for external thread machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |