CN105619247A - Clamp for machining round hole in steel ball - Google Patents
Clamp for machining round hole in steel ball Download PDFInfo
- Publication number
- CN105619247A CN105619247A CN201410600393.XA CN201410600393A CN105619247A CN 105619247 A CN105619247 A CN 105619247A CN 201410600393 A CN201410600393 A CN 201410600393A CN 105619247 A CN105619247 A CN 105619247A
- Authority
- CN
- China
- Prior art keywords
- hole
- fixture seat
- clamping fixture
- clamp
- steel ball
- 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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Abstract
The invention relates to the field of machining, in particular to a clamp for machining a round hole in a steel ball. The clamp comprises a clamp base. The clamp base is a cylinder with a boss. A conical groove is formed in the front end of the clamp base. A thread is arranged on the outer circle face of the front end of the clamp base and sleeved with a threaded sleeve. A conical groove corresponding to the groove in the clamp base is formed in one end face of the threaded sleeve. A through hole is formed in the center position of the threaded sleeve. A through hole is formed in the center position of the clamp base, a centering shaft is mounted in the through hole, and the center axis of the through hole coincides with that of the threaded sleeve. A handle is mounted on the centering shaft and stretches out of the clamp base. The clamp is simple in structure and reliable in clamping, the requirement for the location degree of workpieces can be guaranteed, the clamping damage and twisting phenomena are not likely to happen, and the production efficiency is improved.
Description
Technical field
The present invention relates to field of machining, be specifically related on steel ball circular hole clamp for machining.
Background technology
Processing through hole on steel ball, (1) quenching, tempering hardness are 58 64HRC. (2) circularity��0.008mm on ball surface. (3) owing to aperture is little, hole depth and aperture ratio reach 6, and therefore difficulty of processing is bigger.
The processing of steel ball hole is divided into boring and two steps of grinding, all adopts scroll chuck clamping workpiece, due to the impact of the trueness error of fixture own, the position degree in the hole processed it is difficult to ensure that. M2110 internal grinder there is problems during grinding cylinder hole: (1), owing to utilizing emery wheel to carry out the depth of parallelism of correction hole and center of rotation, randomness is very big, it is impossible to ensure center of circular hole and workpiece spindle center superposition, and efficiency is low. (2) only have three point contact claw during the clamping of ball part, it is impossible to limit its rotary freedom, often produce twisting when grinding force is big and cause waste product. If holding too tight, surface of the work easily blocks wound.
Summary of the invention
In order to solve the problems referred to above, the present invention provides a kind of simple in construction, reliable clamping, and can guarantee that the position degree requirement of workpiece, is not likely to produce and crushes and twist phenomenon, improves circular hole clamp for machining on the steel ball of production efficiency.
Circular hole clamp for machining on steel ball of the present invention, including clamping fixture seat, described clamping fixture seat is a cylinder with boss, clamping fixture seat front end be provided with a coniform groove, and the periphery of clamping fixture seat front end is provided with screw thread, it is socketed with a thread bush, described thread bush end face is provided with a conical recess corresponding with the groove on clamping fixture seat, described thread bush center is provided with a through hole, clamping fixture seat center is also equipped with a through hole, centration axis is installed in it, and the central axis of the central axis of this through hole and thread bush coincides, described centration axis is provided with one handle, described handle stretches out clamping fixture seat.
Preferably, clamping fixture seat center is provided with step through-hole, and described centration axis is multidiameter, and axle ladder place is connected with through hole ladder place by spring.
Preferably, the clamping fixture seat at handle place has chute, described handle in chute slidably.
Present configuration is simple, reliable clamping, and can guarantee that the position degree requirement of workpiece, is not likely to produce and crushes and twist phenomenon, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is circular hole clamp for machining structural representation on steel ball.
Accompanying drawing labelling: 1-workpiece spindle, 2-clamping fixture seat, 3-handle, 4-spring, 5-workpiece, 6-thread bush, 7-grinding wheel spindle, 8-grinds frame, 9-expanded shaft, 10-emery wheel, 11-lathe bed, 12-centration axis, 13-screw, 14-headstock.
Detailed description of the invention
Circular hole clamp for machining on steel ball of the present invention, including clamping fixture seat 2, described clamping fixture seat 2 is a cylinder with boss, clamping fixture seat 2 front end be provided with a coniform groove, and the periphery of clamping fixture seat 2 front end is provided with screw thread, it is socketed with a thread bush 6, described thread bush 6 end face is provided with a conical recess corresponding with the groove on clamping fixture seat 2, two taper seats are orientational cone-shaped surface, described thread bush 6 center is provided with a through hole, clamping fixture seat 2 center is also equipped with a through hole, centration axis 12 is installed in it, and the central axis of the central axis of this through hole and thread bush 6 coincides, described centration axis 12 is provided with one handle 4, described handle 4 stretches out clamping fixture seat 2. clamping fixture seat 2 center is provided with step through-hole, and described centration axis 12 is multidiameter, and axle ladder place is connected with through hole ladder place by spring 4. the clamping fixture seat 2 at handle place has chute, described handle 3 in chute slidably.
Installation process is: first spring 4, centration axis 12 are loaded in clamping fixture seat 2 endoporus, then is contained in by handle 3 in centration axis 12 screwed hole, is then fixed on workpiece spindle 1 by clamping fixture seat 2 by screw 12, and workpiece spindle 1 is arranged on headstock 14, and thread bush 6 is not first installed. Expanded shaft 9 is the part joining work according to emery wheel hole size. For accurate positioning, it is ensured that machining accuracy, orientational cone-shaped surface to carry out a reconditioning before processing work. The workpiece of specification of the same race only need to carry out a reconditioning.
The clamping process of steel ball is as follows: driving handle 3, makes centration axis 12 move right, stretches out clamping fixture seat 2. Again by steel ball circle hole sleeve in the centration axis 12 stretched out, being close to the orientational cone-shaped surface that the reconditioning of clamping fixture seat 2 front end is good, be then contained on clamping fixture seat 2 nose threads by thread bush 6, the conical surface on thread bush 6 presses to workpiece by screw clamp clamp force, workpiece 5 is made to clamp firmly, accurate positioning. Stirring handle 3 after Workpiece clamping, centration axis 12 exits workpiece 5 under the elastic force effect of spring 4, and clamping terminates. After steel ball clamping, incipient wheel axle 7 and workpiece spindle 1 rotate, and drive mill frame 8 to make emery wheel 10 carry out grinding, and after workpiece 5 grinding is qualified, mill frame 8 exits, and lathe stall overlaps 6 with spanner unscrewing thread, takes out workpiece, completes a workpiece grinding process.
Claims (3)
1. circular hole clamp for machining on a steel ball, including clamping fixture seat (2), it is characterized in that, described clamping fixture seat (2) is a cylinder with boss, clamping fixture seat (2) front end be provided with a coniform groove, and the periphery of clamping fixture seat (2) front end is provided with screw thread, it is socketed with a thread bush (6), described thread bush (6) end face is provided with a conical recess corresponding with the groove on clamping fixture seat (2), described thread bush (6) center is provided with a through hole, clamping fixture seat (2) center is also equipped with a through hole, centration axis (12) is installed in it, and the central axis of the central axis of this through hole and thread bush (6) coincides, described centration axis (12) is provided with one handle (3), described handle (3) stretches out clamping fixture seat (2).
2. circular hole clamp for machining on steel ball as claimed in claim 1, it is characterised in that described clamping fixture seat (2) center is provided with step through-hole, and described centration axis (12) is multidiameter, and axle ladder place is connected with through hole ladder place by spring (4).
3. as claimed in claim 2 circular hole clamp for machining on steel ball, it is characterised in that have chute on the clamping fixture seat (2) at described handle place, described handle (3) in chute slidably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600393.XA CN105619247A (en) | 2014-10-31 | 2014-10-31 | Clamp for machining round hole in steel ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600393.XA CN105619247A (en) | 2014-10-31 | 2014-10-31 | Clamp for machining round hole in steel ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105619247A true CN105619247A (en) | 2016-06-01 |
Family
ID=56034791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410600393.XA Pending CN105619247A (en) | 2014-10-31 | 2014-10-31 | Clamp for machining round hole in steel ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105619247A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681465A (en) * | 2021-07-28 | 2021-11-23 | 北京航天控制仪器研究所 | High-precision grinding and clamping device and method for inner hole of hemispherical bearing part |
-
2014
- 2014-10-31 CN CN201410600393.XA patent/CN105619247A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681465A (en) * | 2021-07-28 | 2021-11-23 | 北京航天控制仪器研究所 | High-precision grinding and clamping device and method for inner hole of hemispherical bearing part |
| CN113681465B (en) * | 2021-07-28 | 2022-12-09 | 北京航天控制仪器研究所 | High-precision grinding and clamping device and method for inner hole of hemispherical bearing part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160601 |