GB740421A - Improvements relating to feed mechanism for machines for grinding the ends of coiledsprings - Google Patents
Improvements relating to feed mechanism for machines for grinding the ends of coiledspringsInfo
- Publication number
- GB740421A GB740421A GB2365553A GB2365553A GB740421A GB 740421 A GB740421 A GB 740421A GB 2365553 A GB2365553 A GB 2365553A GB 2365553 A GB2365553 A GB 2365553A GB 740421 A GB740421 A GB 740421A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arms
- jaws
- springs
- grinding
- plate
- 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
Links
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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/167—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings end faces coil springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
740,421. Grinding the ends of coiled springs. LEWIS SPRING CO., Ltd. Aug. 27, 1954 [Aug. 27, 1953], No. 23655/53. Class 60 A machine for grinding the ends of coiled springs comprises horizontal grinding wheels 10, 11 driven independently by electric motors 102, 112. The gap between the opposed faces of the wheels is varied by adjustment of the wheel spindles by handwheels 101, 111. Radially arranged arms 13 are fixed at their inner ends to a vertical spindle 14 driven through speed reduction gearing 17 and bevel gearing 18 by an electric motor 16. The arms 13 are located above a stationary bed plate 15 provided with an upstanding rirri 151; the distance of the arms 13 above the plate 15 may be adjustable. Each radial arm 13 has associated with the outer end thereof gripping means comprising jaws 132, 133. The inner jaw 132 is slidable on parallel pins 134 projecting outwardly from the outer end of the arm 13, the jaw being pressed outwardly by strong springs 135. The outer jaw 133, which has a rounded surface 136, is carried by pins 137 axially slidable within holes in the inner jaw 132 against the opposition of weak springs 138 tending to urge the jaws apart. The jaws are provided centrally with opposed semi-cylindrical recesses 13a, 13b to receive a spring 19 being ground. Located partially in the space between the grinding wheels 10, 11 is a fixed plate 20 having an arcuate surface 201 concentric with the spindle 14, the radius of curvature being less than the length of the arms 13 when the jaws 132, 133 are open; the surface 201 extends from a position in advance of that where the springs 19 enter the space between the grinding wheels to a position in retard of that where the springs 19 leave that space. The inner surface of the upstanding rim 151 on the plate 15 has a radius of curvature substantially equal to the length of the arms 13 when the jaws 132, 133 are fully open. Immediately prior to the entry end of the arcuate surface 201 there is disposed above the radial arms 13 an adjustable pressure plate 22 provided at its entry end with an upwardly inclined section 221. Specification 615,492 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2365553A GB740421A (en) | 1953-08-27 | 1953-08-27 | Improvements relating to feed mechanism for machines for grinding the ends of coiledsprings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2365553A GB740421A (en) | 1953-08-27 | 1953-08-27 | Improvements relating to feed mechanism for machines for grinding the ends of coiledsprings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB740421A true GB740421A (en) | 1955-11-09 |
Family
ID=10199171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2365553A Expired GB740421A (en) | 1953-08-27 | 1953-08-27 | Improvements relating to feed mechanism for machines for grinding the ends of coiledsprings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB740421A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5068996U (en) * | 1973-10-25 | 1975-06-19 | ||
US3959931A (en) * | 1973-10-25 | 1976-06-01 | Nhk Spring Co., Ltd. | Grinding machine for coil springs |
CN110732919A (en) * | 2019-09-18 | 2020-01-31 | 南京六和普什机械有限公司 | Hole repairing device for stamping parts |
CN117103004A (en) * | 2023-10-23 | 2023-11-24 | 江苏君墨智能装备有限公司 | End face grinding device for spring processing |
-
1953
- 1953-08-27 GB GB2365553A patent/GB740421A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5068996U (en) * | 1973-10-25 | 1975-06-19 | ||
US3959931A (en) * | 1973-10-25 | 1976-06-01 | Nhk Spring Co., Ltd. | Grinding machine for coil springs |
CN110732919A (en) * | 2019-09-18 | 2020-01-31 | 南京六和普什机械有限公司 | Hole repairing device for stamping parts |
CN117103004A (en) * | 2023-10-23 | 2023-11-24 | 江苏君墨智能装备有限公司 | End face grinding device for spring processing |
CN117103004B (en) * | 2023-10-23 | 2024-04-05 | 江苏君墨智能装备有限公司 | End face grinding device for spring processing |
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