CN204221607U - The hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device - Google Patents
The hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device Download PDFInfo
- Publication number
- CN204221607U CN204221607U CN201420682110.6U CN201420682110U CN204221607U CN 204221607 U CN204221607 U CN 204221607U CN 201420682110 U CN201420682110 U CN 201420682110U CN 204221607 U CN204221607 U CN 204221607U
- Authority
- CN
- China
- Prior art keywords
- clamping arm
- thin
- hold
- grinding machine
- positioning device
- 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
Links
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model relates to a kind of hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device, it is characterized in that comprising the clamping arm by pinned connection frame, the inner webs end of described clamping arm is fixedly connected with described upper roller mechanism, the outer webs of described clamping arm is provided with adjustment screw, the piston rod front end being arranged on the compressed oil cylinder in the described frame above described clamping arm is against in described adjustment screw, tension spring upper end connects described frame, and tension spring lower end connects the outer webs of described clamping arm.The utility model is simple and compact for structure, low cost of manufacture, clamping arm adopts adjustment screw, and tension spring connects adjusting screw(rod), thrust is adjustable, conveniently can realize model conversion, avoids the deviation from circular from because clamping or grinding deformation cause, improve the machining accuracy of bearing ring, ensure the qualification rate of product.
Description
Technical field
The utility model relates to a kind of grinding machine, especially relates to a kind of hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device.
Background technology
Along with the development of science and technology, miniature bearing is applied to each association area such as office apparatus, micromachine, instrument, dental drill, hard disk motor etc. more and more widely, and its precision, performance, life and reliability play conclusive effect to the precision of main frame, performance, life and reliability.Miniature bearing belongs to high-precision product, not only varied in version, and needs carft of construction to ensure its precision.
Grinding is the critical process guaranteeing its precision for thin-walled miniature bearing, when grinding thin-walled inner bore of miniature bearing or outer ring raceway, the particularly endoporus of the material such as stainless steel, high-speed steel or outer ring raceway, the deviation from circular from that easy appearance causes because of clamping or grinding deformation, therefore grinding machine Workpiece fixing clamping device is for ensureing that grinding accuracy has very important impact.
Utility model content
The applicant is for above-mentioned problem, be studied improvement, a kind of hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device is provided, simple and compact for structure, low cost of manufacture, thrust is adjustable, conveniently can realize model conversion, avoid the deviation from circular from because clamping or grinding deformation cause, improve the machining accuracy of bearing ring, ensure the qualification rate of product.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device, comprise the clamping arm by pinned connection frame, the inner webs end of described clamping arm is fixedly connected with upper roller mechanism, the outer webs of described clamping arm is provided with adjustment screw, the piston rod front end being arranged on the compressed oil cylinder in the described frame above described clamping arm is against in described adjustment screw, tension spring upper end connects described frame, and tension spring lower end connects the outer webs of described clamping arm.
Further:
Described frame is provided with adjustment support, and vertically disposed adjusting screw(rod) is threaded described adjustment support, and the lower end of described adjusting screw(rod) connects the upper end of described tension spring.
Described adjusting screw(rod) is provided with locking nut.
The front end of the piston rod of described compressed oil cylinder is bulb.
Technique effect of the present utility model is:
A kind of hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device disclosed in the utility model, simple and compact for structure, low cost of manufacture, clamping arm adopts adjustment screw, and tension spring connects adjusting screw(rod), thrust is adjustable, conveniently can realize model conversion, avoid the deviation from circular from because clamping or grinding deformation cause, improve the machining accuracy of bearing ring, ensure the qualification rate of product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
As shown in Figure 1, the utility model comprises the clamping arm 1 by bearing pin 8 connection frame 100, the inner webs end of clamping arm 1 is fixedly connected with upper roller mechanism 200, the outer webs of clamping arm 1 is provided with adjustment screw 2, the piston rod front end being arranged on the compressed oil cylinder 4 in the frame 100 above clamping arm 1 is against in adjustment screw 2, the front end of the piston rod of compressed oil cylinder 4 is bulb, and adjustment screw 2 can regulate the position of clamping arm 1, with the lasso making it be suitable for different model.Tension spring 3 upper end connection frame 100, tension spring 3 lower end connects the outer webs of clamping arm 1.In the present embodiment, frame 100 is provided with and regulates support 5, and vertically disposed adjusting screw(rod) 6 is threaded and regulates support 5, and the lower end of adjusting screw(rod) 6 connects the upper end of tension spring 3, adjusting screw(rod) 6 can be used for the adjustment regulating tension spring 3 length, thus realizes the adjustment to Work-sheet pressing power; Adjusting screw(rod) 6 is provided with locking nut 7, locking for adjusting screw(rod) 6.
The active force of tension spring 3 is applied to the workpiece between the roller and the roller of bottom roller mechanism 300 of upper roller mechanism 200 by the roller of upper roller mechanism 200, the thrust to workpiece is adjusted by adjusting screw(rod) 6, suitable thrust can guarantee the axial location precision of workpiece, the distortion of workpiece can not be caused again simultaneously, thus improve the machining accuracy of bearing ring, ensure the qualification rate of product; In addition, regulated the position of clamping arm 1 by adjustment screw 2, with the compression making it be suitable for the workpiece of different model.
Claims (4)
1. the hold-down mechanism of a thin-walled inner bore of miniature bearing grinding machine Working piece positioning device, it is characterized in that: comprise the clamping arm by pinned connection frame, the inner webs end of described clamping arm is fixedly connected with upper roller mechanism, the outer webs of described clamping arm is provided with adjustment screw, the piston rod front end being arranged on the compressed oil cylinder in the described frame above described clamping arm is against in described adjustment screw, tension spring upper end connects described frame, and tension spring lower end connects the outer webs of described clamping arm.
2. according to the hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device according to claim 1, it is characterized in that: described frame is provided with adjustment support, vertically disposed adjusting screw(rod) is threaded described adjustment support, and the lower end of described adjusting screw(rod) connects the upper end of described tension spring.
3., according to the hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device according to claim 2, it is characterized in that: described adjusting screw(rod) is provided with locking nut.
4. according to the hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device according to claim 1, it is characterized in that: the front end of the piston rod of described compressed oil cylinder is bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420682110.6U CN204221607U (en) | 2014-11-15 | 2014-11-15 | The hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420682110.6U CN204221607U (en) | 2014-11-15 | 2014-11-15 | The hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204221607U true CN204221607U (en) | 2015-03-25 |
Family
ID=52919747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420682110.6U Expired - Fee Related CN204221607U (en) | 2014-11-15 | 2014-11-15 | The hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204221607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354105A (en) * | 2014-11-15 | 2015-02-18 | 江阴吉爱倍万达精工有限公司 | Compression mechanism for thin-wall miniature bearing inner hole grinding machine workpiece positioning device |
-
2014
- 2014-11-15 CN CN201420682110.6U patent/CN204221607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354105A (en) * | 2014-11-15 | 2015-02-18 | 江阴吉爱倍万达精工有限公司 | Compression mechanism for thin-wall miniature bearing inner hole grinding machine workpiece positioning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104369011A (en) | Drill hole clamp | |
| CN203696522U (en) | Clamp fixture for bearing inner race machining | |
| CN201632951U (en) | Cylinder fine-tuning and precise-positioning device | |
| CN204221607U (en) | The hold-down mechanism of thin-walled inner bore of miniature bearing grinding machine Working piece positioning device | |
| CN201824144U (en) | Lateral supporting device | |
| CN104354105A (en) | Compression mechanism for thin-wall miniature bearing inner hole grinding machine workpiece positioning device | |
| CN202805104U (en) | Manual jig used for installing small diameter axletree | |
| CN204221606U (en) | Thin-walled inner bore of miniature bearing grinding machine Working piece positioning device | |
| CN201723600U (en) | Bearing deformation assembling equipment | |
| CN101876348A (en) | Bearing deformation assembling workpiece | |
| CN204603831U (en) | Compressing fixture | |
| CN103264388B (en) | A kind of Robot tail end linear guide rail | |
| CN207480159U (en) | A kind of fixing device for bearing machining | |
| CN203522426U (en) | Large stroke micro-displacement driver | |
| CN102975033A (en) | Tooling random support part | |
| CN103909742B (en) | A kind of rotor marking device | |
| CN207229659U (en) | A kind of rotary body damping mechanism | |
| CN104385134A (en) | Workpiece positioning device of thin wall miniature bearing inner hole grinding machine | |
| CN104290051B (en) | Lever downswing machine | |
| CN202810802U (en) | Counterweight regulating block | |
| CN204277504U (en) | Support type clamping workpiece mechanism | |
| CN203995069U (en) | Gold stamping belling version fast precise plate-regulating device | |
| CN204711591U (en) | A kind of positioning jig device for Digit Control Machine Tool | |
| CN203371428U (en) | Lever-type downswing machine | |
| CN106122409A (en) | A kind of ball screw bearing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |