GB928063A - Improvements in or relating to die casting machines - Google Patents
Improvements in or relating to die casting machinesInfo
- Publication number
- GB928063A GB928063A GB13198/61A GB1319861A GB928063A GB 928063 A GB928063 A GB 928063A GB 13198/61 A GB13198/61 A GB 13198/61A GB 1319861 A GB1319861 A GB 1319861A GB 928063 A GB928063 A GB 928063A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- die
- molten metal
- evacuation
- dies
- 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
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
928,063. Casting-machines. DIE CASTING MACHINE TOOL Ltd., and A. R. MILLS. April 3, 1962 [April 12, 1961], No. 13198/61. Class 83 (1). In a pressure die casting machine with fixed and movable die plates 10, 11, respectively, the die evacuation means is in the form of an extraction pump 28 and reservoir 27 connected to the fixed die plate 10 via a solenoid-operated valve 25. The energizing of the solenoid 23 to open the valve 25 is effected by a micro-switch 22 on the movable die plate when the dies are closed. The evacuation of the die cavity 14 is co-ordinated with the position of injecting plunger 17 so that when the dies are closed evacuation is effected with plunger 17 positioned to close the entry port of pipe 21 to prevent molten metal being drawn through said pipe. The plunger is then withdrawn beyond said entry port for a predetermined time to permit a given quantity of molten metal 15 to be drawn into the injection cylinder 18 for subsequent discharge by the plunger into the die cavities. The forward movement of the plunger may also be time controlled in respect of the die opening, whereby said plunger may form a means of ejecting the cast article. The timing of the operation is controlled by a timing unit 30 which controls a change-over valve 20 of the plunger operating assembly 19 and the operation of die-closing cylinder 13. In a further embodiment of a goose-neck type a bypass passage is incorporated in the plunger to permit the replenishment of the injection cylinder so that said plunger need not itself entirely uncover the feed port from the molten metal reservoir.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB13198/61A GB928063A (en) | 1961-04-12 | 1961-04-12 | Improvements in or relating to die casting machines |
FR894068A FR1319627A (en) | 1961-04-12 | 1962-04-11 | Improvements to die-casting machines |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB13198/61A GB928063A (en) | 1961-04-12 | 1961-04-12 | Improvements in or relating to die casting machines |
FR894068A FR1319627A (en) | 1961-04-12 | 1962-04-11 | Improvements to die-casting machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB928063A true GB928063A (en) | 1963-06-06 |
Family
ID=32910283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB13198/61A Expired GB928063A (en) | 1961-04-12 | 1961-04-12 | Improvements in or relating to die casting machines |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1319627A (en) |
GB (1) | GB928063A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102784899A (en) * | 2012-08-29 | 2012-11-21 | 太仓奥科机械设备有限公司 | Hot-chamber die casting machine |
CN102784897A (en) * | 2012-08-29 | 2012-11-21 | 太仓奥科机械设备有限公司 | Die casting machine |
CN110394438A (en) * | 2019-08-20 | 2019-11-01 | 刘汝斌 | One kind is into material return system, Squeezing die casting machine and its casting method |
-
1961
- 1961-04-12 GB GB13198/61A patent/GB928063A/en not_active Expired
-
1962
- 1962-04-11 FR FR894068A patent/FR1319627A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102784899A (en) * | 2012-08-29 | 2012-11-21 | 太仓奥科机械设备有限公司 | Hot-chamber die casting machine |
CN102784897A (en) * | 2012-08-29 | 2012-11-21 | 太仓奥科机械设备有限公司 | Die casting machine |
CN110394438A (en) * | 2019-08-20 | 2019-11-01 | 刘汝斌 | One kind is into material return system, Squeezing die casting machine and its casting method |
Also Published As
Publication number | Publication date |
---|---|
FR1319627A (en) | 1963-03-01 |
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