GB1142963A - Automatic tube lathe comprising devices for holding and cutting the tubes to length - Google Patents
Automatic tube lathe comprising devices for holding and cutting the tubes to lengthInfo
- Publication number
- GB1142963A GB1142963A GB902966A GB902966A GB1142963A GB 1142963 A GB1142963 A GB 1142963A GB 902966 A GB902966 A GB 902966A GB 902966 A GB902966 A GB 902966A GB 1142963 A GB1142963 A GB 1142963A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cutters
- tube
- mandrel
- ring
- engages
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
- B23D31/001—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines for trimming deep drawn products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/36—Making hollow objects characterised by the use of the objects collapsible or like thin-walled tubes, e.g. for toothpaste
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
1,142,963. Shearing. POLYTYPE A.G. 1 March, 1966 [10 March, 1965], No. 9029/66. Heading B3W. A device for trimming to length a tube 8, which is shown in the drawings as a collapsible tube, comprises a mandrel 1 on to which the tube is pushed, and associated with which are two inclined cutters 6, so that as the tube engages the cutters the part which will subsequently be cut-off is expanded and split by the cutters so that it rotates with the mandrel during the trimming operation. Each of the inclined cutters 6 is attached to a rocker arm 2, 3, the rocker arms being pivotally mounted at 4 on pins which are carried by a mounting ring 5 which is clamped to the mandrel 1. The ends of the rocker arms remote from the cutters engage the inside of a ring 11 which is supported from the ring 5 by resilient pins 12 and is held concentric with the mandrel by deformable spacing blocks, made, for example of polyvinylchloride. A roller 14 engages the outside of the ring 11 so that as the assembly of the mandrel 1 and the two rings 5 and 11 is rotated the ring 11 is displaced and the cutters 6 are lifted in turn. The tube 8 is held on to the cutters 6 by springs 7. The cutters 6 may have a thread formed on their edges so that the tube 8 is screwed on to the mandrel during the trimming operation. The trimming operation is carried out by a cutter unit which comprises a sharp-edged backing plate 33, Fig. 9, which is rotatably mounted at an angle to the axis of the tube, a stationary cutting tool (37) and a polishing disc 38. The backing plate 33 engages the tube and is rotated thereby, the engagement pressure being sufficient to cause the plate to indent and fracture the tube, so that the cutting tool 37 merely trims the cut end. The polishing disc 38 is fixed and is therefore heated by friction when it engages the tube. This heating is stated to improve its action. In a modification, Fig. 5 (not shown), the end of the tube is pushed over a pair of cutters (20) attached to the mandrel (16) and is sheared by the cooperation of these cutters with a further pair of cutters (25) mounted in a ring which is concentric with and axially slidable on the mandrel.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965L0050168 DE1285838B (en) | 1965-03-10 | 1965-03-10 | Holding and cutting device for tubes on an automatic tube lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1142963A true GB1142963A (en) | 1969-02-12 |
Family
ID=7273337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB902966A Expired GB1142963A (en) | 1965-03-10 | 1966-03-01 | Automatic tube lathe comprising devices for holding and cutting the tubes to length |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT260650B (en) |
| CH (1) | CH447997A (en) |
| DE (1) | DE1285838B (en) |
| DK (1) | DK121273B (en) |
| GB (1) | GB1142963A (en) |
| NL (1) | NL6602600A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE950161C (en) * | 1953-04-14 | 1956-10-04 | Herlan & Co Maschf | Device for cutting tubes to the desired length |
-
1965
- 1965-03-10 DE DE1965L0050168 patent/DE1285838B/en active Pending
-
1966
- 1966-02-28 NL NL6602600A patent/NL6602600A/xx unknown
- 1966-03-01 GB GB902966A patent/GB1142963A/en not_active Expired
- 1966-03-01 CH CH294966A patent/CH447997A/en unknown
- 1966-03-02 AT AT196566A patent/AT260650B/en active
- 1966-03-09 DK DK123366A patent/DK121273B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH447997A (en) | 1967-12-15 |
| AT260650B (en) | 1968-03-11 |
| NL6602600A (en) | 1966-09-12 |
| DE1285838B (en) | 1968-12-19 |
| DK121273B (en) | 1971-09-27 |
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