CN104400631A - Shaft outer wall grinding fixture - Google Patents
Shaft outer wall grinding fixture Download PDFInfo
- Publication number
- CN104400631A CN104400631A CN201410540473.0A CN201410540473A CN104400631A CN 104400631 A CN104400631 A CN 104400631A CN 201410540473 A CN201410540473 A CN 201410540473A CN 104400631 A CN104400631 A CN 104400631A
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- CN
- China
- Prior art keywords
- cylinder
- sleeve
- axle
- slide opening
- bellmouth
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a shaft outer wall grinding fixture. The shaft outer wall grinding fixture comprises a grinding machine head frame and a tail base, wherein a front positioning cylinder is arranged on the grinding machine head frame; a front conical hole is axially formed in the front positioning cylinder; a front tip is arranged in the front conical hole; the tip end part of the front tip is pressed against the front end surface of a shaft; a clamping jaw and a sleeve are additionally arranged at the inner side of the front positioning cylinder; the clamping jaw comprises a drum and a set of jaws; the jaws are hinged to the end of the drum; the drum coats the front positioning cylinder; one end of the sleeve coats the drum, and the other end of the sleeve coats the front positioning cylinder; the sleeve and the drum and the sleeve and the front positioning cylinder are both in threaded connection; a back positioning cylinder is arranged on the tail base; a back conical hole is axially formed in the back positioning cylinder; a back tip is arranged in the back conical hole; and the tip end part of the back tip is pressed against the back end surface of the shaft. The shaft outer wall grinding fixture overcomes the technical defects of existence of dead angles and incapability of processing in the grinding of a traditional shaft outer wall grinding fixture, has no processing dead angles, and can thoroughly process.
Description
Technical field
The invention belongs to clamping tool for machine work field, be specifically related to a kind of axle outer wall clamp.
Background technology
Grinding refers to the processing method utilizing the abrasive material on grinding tool to excise excess stock on workpiece.Grinding is generally used for special, the complicated profiled surface such as machining screw, gear and spline, and inside and outside circle cylinder, taper seat and the plane etc. on various workpiece, as the outer wall of axle.
The outer wall grinding of axle is normally carried out on cylindrical grinder, and during grinding, be with moving axis to do low-speed rotation with clamp axle, grinding tool then does longitudinal low speed feed motion, thus the outer wall of whole axle all can be ground processing.But, it is active top that existing axle outer wall clamp generally includes on heart carrier on the grinding machine headstock and tailstock, the active top tail end withstanding axle, the front end of heart carrier clamp shaft is also with moving axis to rotate, during due to heart carrier clamp shaft, the outer wall of axle front end must be clamped, the part making grinding tool cannot arrive axle to be clamped by heart carrier, thus cause the grinding of axle outer wall to there is dead angle, cannot process completely.
Summary of the invention
The technical problem to be solved in the present invention there is dead angle for during existing axle outer wall clamp grinding, cannot process technological deficiency completely, provides a kind of processing without dead angle, can process axle outer wall clamp completely.
In order to solve the problems of the technologies described above, the invention provides following technical scheme: axle outer wall clamp, comprise the grinding machine headstock and tailstock, the described grinding machine headstock is provided with prelocalization cylinder, front bellmouth is axially arranged with in prelocalization cylinder, be provided with front top in front bellmouth, the front end face of front top tip portion and axle offsets; Jaw and sleeve is also provided with inside described prelocalization cylinder, jaw comprises cylinder and one group can claw in embedded axle end, claw is articulated with the end of cylinder, cylindrical sleeve is located on prelocalization cylinder, one end of sleeve is sheathed on cylinder, the other end of sleeve is sheathed on prelocalization cylinder, and sleeve and cylinder, sleeve and prelocalization cylinder are all threaded; Described tailstock is provided with rear positioning tube, is axially arranged with rear bellmouth in rear positioning tube, is provided with back centre in rear bellmouth, and the tip portion of back centre and the rear end face of axle offset.
Adopt the axle outer wall clamp of technical solution of the present invention, comprise the grinding machine headstock, the described grinding machine headstock is provided with prelocalization cylinder, is axially arranged with front bellmouth in prelocalization cylinder, is provided with front top in front bellmouth, and the front end face of front top tip portion and axle offsets; Jaw and sleeve is also provided with inside described prelocalization cylinder, jaw comprises cylinder and one group can claw in embedded axle end, claw is articulated with the end of cylinder, cylindrical sleeve is located on prelocalization cylinder, one end of sleeve is sheathed on cylinder, the other end of sleeve is sheathed on prelocalization cylinder, and sleeve and cylinder, sleeve and prelocalization cylinder are all threaded.Prelocalization cylinder is used for front top location, and can drive front top rotation, front bellmouth is used for front top location, and front top and front bellmouth closely cooperates, and makes front top relative with prelocalization cylinder fixing, thus can make front toply to rotate together with prelocalization cylinder, and the front end face of front top tip portion and axle offsets, and axle can be made to locate, jaw is used for clamping shaft, sleeve moves axially for driving jaw, thus realize jaw axle is clamped, one group of claw is the main body of jaw, claw can in the end of embedded axle, axle is clamped, cylinder is for connecting claw, and drive claw to move axially, and the hinged jaw that allows of cylinder and one group of claw rotates around interface point, thus will push up axially outward, and then axle is clamped, one end of sleeve is sheathed on cylinder, the other end of sleeve is sheathed on prelocalization cylinder, achieve sleeve jaw and prelocalization cylinder are linked together, and sleeve and cylinder, sleeve and prelocalization cylinder are all threaded, thus along with the screw thread precession of sleeve on prelocalization drum outer wall, namely sleeve moves laterally, jaw also can move laterally, and the claw on jaw also moves laterally, when claw outwards move to offset with prelocalization cylinder time, claw can outwards launch, thus clamping shaft.
Also comprise tailstock, described tailstock is provided with rear positioning tube, is axially arranged with rear bellmouth in rear positioning tube, is provided with back centre in rear bellmouth, and the tip portion of back centre and the rear end face of axle offset.Rear positioning tube is used for back centre location, and back centre can be driven to rotate; Rear bellmouth is used for back centre location, and back centre and rear bellmouth closely cooperate, and make back centre relative with rear positioning tube fixing, thus back centre can be made to rotate together with rear positioning tube, the tip portion of back centre and the rear end face of axle offset, and axle can be made to locate.
Principle of the present invention and technique effect are: frontly toply move to the limit laterally, and a front top pressure is given in the side of front bellmouth, by front top compression, thus front top be fixed as one with prelocalization cylinder and can together with rotate; In like manner, back centre be also fixed as one with rear positioning tube and can together with rotate; Before toply to offset with the front end of axle, the rear end of back centre and axle offsets, thus axle can be fixed; Along with sleeve advance from the inside to the outside on prelocalization drum outer wall, jaw also advances from the inside to the outside, when claw moves to the end of prelocalization cylinder, the end of prelocalization cylinder gives claw one tension force radially, make the claw in embedded axle give one, axle thrust radially, thus axle is clamped, axle can be rotated together with jaw.Rotation due to axle by the end of jaw from axle, axle is clamped, realized by the rotation of the rotating band moving axis of jaw, the outer wall of axle do not have bar, therefore grinding tool can any one part of grinding axle outer wall, grinding is without dead angle, can by the processing of the outer wall of whole axle completely, avoid and clamp the outer wall of axle, the rotation of rotation with moving axis by heart carrier with heart carrier, thus grinding heart carrier part, the grinding of clamping cannot there is dead angle, processing not exclusively in grinding tool.
Further, described one group of claw is uniformly distributed in the end of cylinder.Claw is uniformly distributed, such that axle is stressed to be also uniformly distributed, thus makes axle be in poised state, and when avoiding unbalance stress, suffered compression of axle is made a concerted effort too large and cause axle to move radially.
Further, be also provided with front slide opening in described prelocalization cylinder, front slide opening is through hole and communicates with front bellmouth; Also be provided with rear slide opening in described rear positioning tube, rear slide opening is through hole and communicates with rear bellmouth.Before top or back centre damage when needing to change, because front top and front bellmouth, back centre and rear bellmouth offset, front top or back centre taken out difficulty from tip portion comparatively large, front slide opening can to allow frontly toply releasing from its tail end by foreign object, rear slide opening can allow to be released from its tail end by back centre by foreign object.
Further, be provided with forward thrust rod in described front slide opening, the outer end of forward thrust rod is connected with front hand grip; Be provided with back pressure rod in described rear slide opening, the outer end of back pressure rod is connected with back handle.Forward thrust rod, front hand grip, back pressure rod, back handle can facilitate change at any time before top or back centre, and forward thrust rod and back pressure rod are arranged at prelocalization cylinder and rear positioning tube inside respectively, do not account for additional space, conveniently and attractive in appearance.
Further, be equipped with internal thread in described front slide opening and rear slide opening, described front hand grip and back handle are equipped with external screw thread, and the external screw thread of front hand grip and the internal thread of front slide opening match, and the external screw thread of back handle and the internal thread of rear slide opening match.Front hand grip or back handle are thrown away damage when prelocalization cylinder or rear positioning tube can be avoided to rotate by threaded engagement, and affect the safety of other people.
Further, described sleeve comprises large endoporus and little endoporus, and large endoporus and little endoporus communicate, and described large inner hole sleeve is located on cylinder, little inner hole sleeve is located on prelocalization cylinder.Because cylindrical sleeve is located on prelocalization cylinder, sleeve one end cover society on cylinder, the other end is sheathed on prelocalization cylinder, therefore must there is sleeve diameter and to differ or prelocalization cylinder external diameter differs, namely there is " step ", " step " is located at sleeve lining place and seems more attractive in appearance, and easily change.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is further illustrated:
Fig. 1 is the schematic diagram of axle outer wall clamp of the present invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the schematic diagram of jaw when not working;
Fig. 4 is the schematic diagram of jaw;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the schematic diagram of sleeve.
Wherein, the 1-grinding machine headstock; 2-prelocalization cylinder; 3-sleeve; 4-cylinder; 5-claw; 6-tailstock; Positioning tube after 7-; 8-front hand grip; 9-forward thrust rod; Slide opening before 10-; Bellmouth before 11-; Top before 12-; 13-back centre; Bellmouth after 14-; Slide opening after 15-; 16-back pressure rod; 17-back handle; 18-axle; The little endoporus of 19-; The large endoporus of 20-.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, axle outer wall clamp of the present invention, comprise the grinding machine headstock 1 and tailstock 6, the leading section of axle 18 is evenly provided with six locating holes, the grinding machine headstock 1 is provided with prelocalization cylinder 2, the inner side outer wall of prelocalization cylinder 2 is provided with external screw thread, front bellmouth 11 and front slide opening 10 is axially arranged with in prelocalization cylinder 2, front bellmouth 11 and front slide opening 10 communicate, front top 12 are provided with in front bellmouth 11, the front tip portion of top 12 and the front end face of axle 18 offset, front slide opening 10 inwall has internal thread, forward thrust rod 9 is had in front slide opening 10, forward thrust rod 9 is connected with front hand grip 8, forward thrust rod 9 can through before front slide opening 10 pushing tow top 12 tail end, the outer wall of front hand grip 8 is provided with external screw thread, and the external screw thread of front hand grip 8 matches with the internal thread of front slide opening 10, tailstock 6 is provided with rear positioning tube 7, rear bellmouth 14 and rear slide opening 15 is axially arranged with in rear positioning tube 7, rear bellmouth 14 and rear slide opening 15 communicate, back centre 13 is provided with in rear bellmouth 14, back centre 13 tip portion and the rear end face of axle 18 offset, rear slide opening 15 inwall has internal thread, back pressure rod 16 is had in rear slide opening 15, back pressure rod 16 is connected with back handle 17, back pressure rod 16 can through the tail end of rear slide opening 15 pushing tow back centre 12, and the outer wall of back handle 17 is provided with external screw thread and the external screw thread of back handle 17 matches with the internal thread of rear slide opening, sleeve 3 and jaw is also provided with inside prelocalization cylinder 2, sleeve 3 comprises large endoporus 20 and little endoporus 19, as shown in Figure 6, large endoporus 20 and little endoporus 19 communicate, and large endoporus 20 and little endoporus 19 inwall are equipped with internal thread, jaw comprises cylinder 4 and six claws 5, the outer wall of cylinder 4 has external screw thread, cylinder 4 is sheathed on prelocalization cylinder 2, the large endoporus 20 of sleeve 3 is sheathed on cylinder 4, little endoporus 19 is sheathed on prelocalization cylinder 2, as Fig. 2, shown in Fig. 3, and the large internal thread of endoporus 20 and the external screw thread of cylinder 4, the internal thread of little endoporus 19 coordinates mutually with prelocalization cylinder 2 external screw thread, six claws 5 are all articulated with the end of cylinder 4, and in six locating holes of difference embedded axle 18 front end, the end of six claws 5, as Fig. 4, shown in Fig. 5, sleeve 3 can drive jaw to move axially.
In specific implementation process, axle 18 is positioned in the middle of front top 12 and back centre 13, make front top 12 and the tip of back centre 13 withstand the center of axle 18 front-end and back-end respectively, mobile claw 5, make in the locating hole of end embedded axle 18 front end of claw 5, turn sleeve 3, the outside of sleeve 3 positioning tube 2 is forward moved, till can not moving, claw 5 clamps by axle, now open rotary power unit, prelocalization cylinder 2 can be with moving axis 18 to rotate together, thus grinding can be carried out to the outer wall of axle 18, the outer wall of direct clamp shaft 18 is not had in process due to clamp axle 18, avoid the grinding formed when adopting heart carrier clamp shaft 18 outer wall to hinder, thus overcome grinding and there is dead angle, process incomplete defect.
For a person skilled in the art, under the prerequisite not departing from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (6)
1. axle outer wall clamp, comprises the grinding machine headstock and tailstock, it is characterized in that: the described grinding machine headstock is provided with prelocalization cylinder, is axially arranged with front bellmouth in prelocalization cylinder, is provided with front top in front bellmouth, and the front end face of front top tip portion and axle offsets; Jaw and sleeve is also provided with inside described prelocalization cylinder, jaw comprises cylinder and one group can claw in embedded axle end, claw is articulated with the end of cylinder, cylindrical sleeve is located on prelocalization cylinder, one end of sleeve is sheathed on cylinder, the other end of sleeve is sheathed on prelocalization cylinder, and sleeve and cylinder, sleeve and prelocalization cylinder are all threaded; Described tailstock is provided with rear positioning tube, is axially arranged with rear bellmouth in rear positioning tube, is provided with back centre in rear bellmouth, and the tip portion of back centre and the rear end face of axle offset.
2. axle outer wall clamp as claimed in claim 1, is characterized in that: described one group of claw is uniformly distributed in the end of cylinder.
3. axle outer wall clamp as claimed in claim 2, it is characterized in that: be also provided with front slide opening in described prelocalization cylinder, front slide opening is through hole and communicates with front bellmouth; Also be provided with rear slide opening in described rear positioning tube, rear slide opening is through hole and communicates with rear bellmouth.
4. axle outer wall clamp as claimed in claim 3, is characterized in that: be provided with forward thrust rod in described front slide opening, the outer end of forward thrust rod is connected with front hand grip; Be provided with back pressure rod in described rear slide opening, the outer end of back pressure rod is connected with back handle.
5. axle outer wall clamp as claimed in claim 4, it is characterized in that: in described front slide opening and rear slide opening, be equipped with internal thread, described front hand grip and back handle are equipped with external screw thread, the external screw thread of front hand grip and the internal thread of front slide opening match, and the external screw thread of back handle and the internal thread of rear slide opening match.
6. axle outer wall clamp as claimed in claim 5, it is characterized in that: described sleeve comprises large endoporus and little endoporus, large endoporus and little endoporus communicate, and described large inner hole sleeve is located on cylinder, little inner hole sleeve is located on prelocalization cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410540473.0A CN104400631A (en) | 2014-10-14 | 2014-10-14 | Shaft outer wall grinding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410540473.0A CN104400631A (en) | 2014-10-14 | 2014-10-14 | Shaft outer wall grinding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400631A true CN104400631A (en) | 2015-03-11 |
Family
ID=52638330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410540473.0A Pending CN104400631A (en) | 2014-10-14 | 2014-10-14 | Shaft outer wall grinding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917263A (en) * | 2021-01-25 | 2021-06-08 | 重庆北鑫机电有限公司 | Inner and outer wall polishing device for metal workpiece for electro-mechanical machining |
-
2014
- 2014-10-14 CN CN201410540473.0A patent/CN104400631A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917263A (en) * | 2021-01-25 | 2021-06-08 | 重庆北鑫机电有限公司 | Inner and outer wall polishing device for metal workpiece for electro-mechanical machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
|
| WD01 | Invention patent application deemed withdrawn after publication |