CN105798257A - Machining method for lock body of copper or copper alloy and stainless steel bimetal padlock - Google Patents
Machining method for lock body of copper or copper alloy and stainless steel bimetal padlock Download PDFInfo
- Publication number
- CN105798257A CN105798257A CN201610212170.5A CN201610212170A CN105798257A CN 105798257 A CN105798257 A CN 105798257A CN 201610212170 A CN201610212170 A CN 201610212170A CN 105798257 A CN105798257 A CN 105798257A
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- lock body
- copper
- lock
- copper alloy
- core body
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- 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
- B22D17/005—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure using two or more fixed moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Forging (AREA)
Abstract
The invention discloses a machining method for a lock body of a copper or copper alloy and stainless steel bimetal padlock. Due to the fact that during post machining of a stainless steel lock body, a series of inner cavities such as a lock cylinder cavity, a marble cavity, a lock tongue cavity and a plunger latch cavity need to be dug in the stainless steel lock body, a stainless steel material is high in hardness, the machining difficulty is large, the communication performance of the cavities is ingeniously utilized to specially manufacture a filling core body identical with the inner cavities which communicate in the lock body in shape, and then the filling core body is placed into a shape forming mold of the stainless steel lock body and is made from copper or copper alloy of which the strength is far smaller than that of the stainless steel. The part, filled with the filling core body, in the lock body is just the part to be removed, the copper or copper alloy with the smaller strength is machined more easily, and accordingly the machining difficulty of the stainless steel lock body is greatly lowered; in addition, the production efficiency and machining precision are improved, and the machining cost is reduced.
Description
Technical field
The present invention relates to lock body processing technique field, more specifically a kind of copper or copper alloy and rustless steel double-metal padlock body processing method.
Background technology
Stainless steel padlock, antioxidation rustproof property is stronger, and it is strong that hardness also compares high survivability, and namely pick-proof ability is by force, and it is suitable under outdoor adverse circumstances to use.
Rustless steel lock body processing method has two kinds of forms in the market, one is to pull into billot to carry out being mechanically cut into rustless steel lock body embryo, and another kind is casting, i.e. sand casting and lost-wax casting, but it is no matter with billot cutting or with forging type, the defects such as all there is postorder processing difficulties, productivity ratio is low, and cost is high and precision is low, cause stainless steel padlock difficulty of processing high, involve great expense, so domestic use is less, promote not extensive.
Patent CN98124259 discloses stainless steel padlock and processing method thereof, and padlock is with rustless steel for raw material, and its lock body is processed by monoblock rustless steel.The drilling blade angle of the drill bit that the processing method of rustless steel lock is characterized by processing stainless steel padlock is 120～130 °.Drilling adds and adopts man-hour interval to enter brill mode and be processed, and namely enters to bore every time and within about 3 seconds, namely stops to bore about half second, makes drilling cuttings automatically cut off when reaching about 80～100mm.
This patented technology is bored mainly for drill bit milling to add and is attached on drill bit due to drilling cuttings man-hour, drill bit is caused normally to carry out the work, so have adjusted the blade angle of drill bit and entering brill mode, so that the processing of rustless steel lock body is smooth and easy, improve work efficiency, but it is clear that the intensity of rustless steel lock body is big, processing gets up to be not as easy, so it remains the difficulty of processing not reducing stainless steel padlock.
Summary of the invention
It is an object of the invention to the technological deficiency overcoming prior art stainless steel padlock difficulty of processing high, one is provided not only to considerably reduce difficulty of processing, but also improve production efficiency and machining accuracy, save the copper of processing cost or copper alloy and rustless steel double-metal padlock body processing method.
In order to reach object above, the present invention is achieved by the following technical solutions: a kind of copper or copper alloy and rustless steel double-metal padlock body processing method, it is characterized in that, comprise the following steps: (1) first, ready two molds, wherein a set of lock body shell compression mod for padlock, the another set of filling core body compression mod for padlock, it is special according to the cavity shape connected in lock body for filling core body compression mod, for casting filling core body, the shape filling core body is fit in lock body inner chamber lock core cavity, pin chambers, lock tongue cavity and lock bolt chamber；
(2) then, ready two set die casting machines, a set of die casting machine is wherein loaded onto lock body shell compression mod, hereinafter referred to as lock body shell die casting machine, another set of die casting machine is loaded onto filling core body compression mod, hereinafter referred to as filling core body die casting machine；
(3) then, first filling interpolation copper or copper alloy raw material on core body die casting machine, go out filled core chaeta base by filling core body pressure molding after being fused into liquid, be then purged after geat and cinder ladle mouth and obtain filling core body, and filling core body is put in lock body shell compression mod；
(4) after, rustless steel raw material is added again on lock body shell die casting machine, lock body outer sleeve blank is gone out by lock body shell pressure molding after being fused into liquid, filling core body now is coated with by lock body outer sleeve blank and combines together, is then purged acquisition lock body blank after geat and cinder ladle mouth；
(5) last, by machining equipment, lock body blank is carried out finished product processing, carry out milling mainly for filling position, core body place and get out lock body inner chamber, copper that intensity is less or copper alloy is utilized to be easier to processed, milling gets out correspondingly behind lock core cavity, pin chambers, lock tongue cavity and lock bolt chamber, obtains lock body.
As preferably, in the middle of above-mentioned steps (5), when milling gets out lock body embedded SMA actuators, filling core body and can not be cut totally completely, so allowing its member-retaining portion, namely having copper or copper alloy material in the stainless steel of lock body.
As preferably, in the middle of above-mentioned steps (2), fill and core body die casting machine configures a die heater, and lock body shell die casting machine configures a vacuum extractor and a die heater.
As preferably, in the middle of above-mentioned steps (3), first copper or copper alloy melting sources are become liquid, open die heater and be maintained at critical temperature, cleaning mould → release agent spraying → matched moulds → add liquid copper or copper alloy → pusher → fast shot note pressurization → pressurize coagulation forming → die sinking ejecting product → cleaning die casting release agent spraying carry out subsequent cycle work at a slow speed.
As preferably; in the middle of above-mentioned steps (4); first rustless steel raw material is melt into liquid; open die heater and be maintained at critical temperature; checking lock body shell compression mod air-tightness, cleaning mould entrance is next to be circulated for the propellings → fast shot note pressurization → pressurize coagulation forming of cleaning mould → release agent spraying → matched moulds → unlatchings vacuum extractor → add liquid rustless steel → at a slow speed → fill protective gas → die sinking → ejecting product → start again at.
Beneficial effect: the present invention is according in the middle of rustless steel lock body post-treatment, need to dig out therein lock core cavity, pin chambers, a series of inner chambers such as lock tongue cavity and lock bolt chamber, but stainless steel hardness is very big, difficulty of processing is relatively larger, so make use of the connectivity of above-mentioned cavity dexterously, special one piece is fit in lock body the filling core body of the cavity shape of connection, again this filling core body is put in the middle of the shape molding mould of rustless steel lock body, and adopt intensity to be significantly smaller than stainless copper or copper alloy material in this filling core body, just because of the part being filled core body filling in lock body is just need disallowable position, so the less copper of intensity or copper alloy material are easier to processed, so greatly reduce the difficulty of processing of rustless steel lock body, and improve production efficiency and machining accuracy, save processing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of filled core chaeta base of the present invention；
Fig. 2 is the structural representation of lock body outer sleeve blank of the present invention；
Fig. 3 is the structural representation of lock body blank of the present invention.
In figure: 1-fills core body, 2-lock body, 3-lock core cavity, 4-pin chambers, 5-lock tongue cavity, 6-lock bolt chamber.
Detailed description of the invention
Understand with reaching purpose and being readily apparent to make the technological means of the present invention, creation characteristic, the present invention is expanded on further below in conjunction with specific embodiment.
Embodiment: as shown in Fig. 1, figure and Fig. 3, a kind of copper or copper alloy and rustless steel double-metal padlock body processing method, comprise the following steps: (1) first, ready two molds, wherein a set of lock body shell compression mod for padlock, the another set of filling core body compression mod for padlock, it is special according to the cavity shape connected in lock body for filling core body compression mod, for casting filling core body 1, the shape filling core body 1 is fit in lock body inner chamber lock core cavity, pin chambers, lock tongue cavity and lock bolt chamber；Fill that core body 1 temporarily substitutes formation lock body inner chamber and exist, thus it must be fit in lock body 2 inner chamber lock core cavity 3, pin chambers 4, lock tongue cavity 5 and lock bolt chamber 6 and special；
(2) then, ready two set die casting machines, a set of die casting machine is wherein loaded onto lock body shell compression mod, hereinafter referred to as lock body shell die casting machine, another set of die casting machine is loaded onto filling core body compression mod, hereinafter referred to as filling core body die casting machine；Fill and core body die casting machine configures a die heater, and lock body shell die casting machine configures a vacuum extractor and a die heater；Fill in the middle of core body following process be want disallowable fall, so it does not need vacuum extractor, less demanding for air-tightness, pushed down bubble and existed also harmless, so vacuum extractor need not be set up, energy-conservation processing cost；
(3) then, first filling interpolation copper or copper alloy raw material on core body die casting machine, first copper or copper alloy melting sources are become liquid, open die heater and be maintained at critical temperature, cleaning mould → release agent spraying → matched moulds → add liquid copper or copper alloy → pusher → fast shot note pressurization → pressurize coagulation forming → die sinking ejecting product → cleaning die casting release agent spraying carry out subsequent cycle work at a slow speed；Go out filled core chaeta base above by filling core body pressure molding, be then purged after geat and cinder ladle mouth and obtain filling core body, and filling core body is put in lock body shell compression mod；
(4) after; rustless steel raw material is added again on lock body shell die casting machine; first rustless steel raw material is melt into liquid; open die heater and be maintained at critical temperature; checking lock body shell compression mod air-tightness, cleaning mould entrance is next to be circulated for the propellings → fast shot note pressurization → pressurize coagulation forming of cleaning mould → release agent spraying → matched moulds → unlatchings vacuum extractor → add liquid rustless steel → at a slow speed → fill protective gas → die sinking → ejecting product → start again at；Going out lock body outer sleeve blank above by lock body shell pressure molding, filling core body now is coated with by lock body outer sleeve blank and combines together, is then purged acquisition lock body blank after geat and cinder ladle mouth；
(5) last, by machining equipment, lock body blank is carried out finished product processing, carry out milling mainly for filling position, core body place and get out lock body inner chamber, copper that intensity is less or copper alloy is utilized to be easier to processed, milling gets out correspondingly behind lock core cavity, pin chambers, lock tongue cavity and lock bolt chamber, obtains lock body.
When milling gets out lock body embedded SMA actuators, filling core body and can not be cut totally completely, so allowing its member-retaining portion, namely in the stainless steel of lock body, having copper or copper alloy material.Cannot be weeded out completely just because of filling core body, so the lock body produced is copper or copper alloy and rustless steel double-metal padlock body.
Application: the present invention is according in the middle of rustless steel lock body post-treatment, need to dig out therein lock core cavity, pin chambers, a series of inner chambers such as lock tongue cavity and lock bolt chamber, but stainless steel hardness is very big, difficulty of processing is relatively larger, so make use of the connectivity of above-mentioned cavity dexterously, special one piece is fit in lock body the filling core body of the cavity shape of connection, again this filling core body is put in the middle of the shape molding mould of rustless steel lock body, and adopt intensity to be significantly smaller than stainless copper or copper alloy material in this filling core body, just because of the part being filled core body filling in lock body is just need disallowable position, so the less copper of intensity or copper alloy material are easier to processed, so greatly reduce the difficulty of processing of rustless steel lock body, and improve production efficiency and machining accuracy, save processing cost.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (5)
1. a copper or copper alloy and rustless steel double-metal padlock body processing method, it is characterized in that, comprise the following steps: (1) first, ready two molds, wherein a set of lock body shell compression mod for padlock, the another set of filling core body compression mod for padlock, it is special according to the cavity shape connected in lock body for filling core body compression mod, for casting filling core body, the shape filling core body is fit in lock body inner chamber lock core cavity, pin chambers, lock tongue cavity and lock bolt chamber；
(2) then, ready two set die casting machines, a set of die casting machine is wherein loaded onto lock body shell compression mod, hereinafter referred to as lock body shell die casting machine, another set of die casting machine is loaded onto filling core body compression mod, hereinafter referred to as filling core body die casting machine；
(3) then, first filling interpolation copper or copper alloy raw material on core body die casting machine, go out filled core chaeta base by filling core body pressure molding after being fused into liquid, be then purged after geat and cinder ladle mouth and obtain filling core body, and filling core body is put in lock body shell compression mod；
(4) after, rustless steel raw material is added again on lock body shell die casting machine, lock body outer sleeve blank is gone out by lock body shell pressure molding after being fused into liquid, filling core body now is coated with by lock body outer sleeve blank and combines together, is then purged acquisition lock body blank after geat and cinder ladle mouth；
(5) last, by machining equipment, lock body blank is carried out finished product processing, carry out milling mainly for filling position, core body place and get out lock body inner chamber, copper that intensity is less or copper alloy is utilized to be easier to processed, milling gets out correspondingly behind lock core cavity, pin chambers, lock tongue cavity and lock bolt chamber, obtains lock body.
2. copper according to claim 1 or copper alloy and rustless steel double-metal padlock body processing method, it is characterized in that, in the middle of above-mentioned steps (5), when milling gets out lock body embedded SMA actuators, fill core body and can not be cut totally completely, so allowing its member-retaining portion, namely in the stainless steel of lock body, there are copper or copper alloy material.
3. copper according to claim 1 and 2 or copper alloy and rustless steel double-metal padlock body processing method, it is characterized in that, in the middle of above-mentioned steps (2), fill and core body die casting machine configures a die heater, and lock body shell die casting machine configures a vacuum extractor and a die heater.
4. copper according to claim 3 or copper alloy and rustless steel double-metal padlock body processing method, it is characterized in that, in the middle of above-mentioned steps (3), first copper or copper alloy melting sources are become liquid, open die heater and be maintained at critical temperature, cleaning mould → release agent spraying → matched moulds → add liquid copper or copper alloy → pusher → fast shot note pressurization → pressurize coagulation forming → die sinking ejecting product → cleaning die casting release agent spraying carry out subsequent cycle work at a slow speed.
5. copper according to claim 4 or copper alloy and rustless steel double-metal padlock body processing method; it is characterized in that; in the middle of above-mentioned steps (4); first rustless steel raw material is melt into liquid; open die heater and be maintained at critical temperature; checking lock body shell compression mod air-tightness, cleaning mould entrance is next to be circulated for the propellings → fast shot note pressurization → pressurize coagulation forming of cleaning mould → release agent spraying → matched moulds → unlatchings vacuum extractor → add liquid rustless steel → at a slow speed → fill protective gas → die sinking → ejecting product → start again at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212170.5A CN105798257B (en) | 2016-04-07 | 2016-04-07 | Copper or copper alloy and rustless steel double-metal padlock body processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212170.5A CN105798257B (en) | 2016-04-07 | 2016-04-07 | Copper or copper alloy and rustless steel double-metal padlock body processing method |
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| CN105798257A true CN105798257A (en) | 2016-07-27 |
| CN105798257B CN105798257B (en) | 2017-08-25 |
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| CN201610212170.5A Expired - Fee Related CN105798257B (en) | 2016-04-07 | 2016-04-07 | Copper or copper alloy and rustless steel double-metal padlock body processing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136634A (en) * | 1995-05-19 | 1996-11-27 | 徐巨祥 | Zinc alloy padlock body and manufacturing method thereof |
| JPH09155654A (en) * | 1995-12-13 | 1997-06-17 | Yokoya:Kk | Joining method for member made of die cast and joined substance |
| CN1224791A (en) * | 1998-11-05 | 1999-08-04 | 台山华一五金制品有限公司 | Stainless steel padlock and its making process |
| CN1765544A (en) * | 2005-06-01 | 2006-05-03 | 丁德伟 | Metal press (pouring) cast composite product and its manufacturing technology |
| CN201080747Y (en) * | 2007-07-13 | 2008-07-02 | 李吉源 | Separate type padlock |
| CN101285135A (en) * | 2007-04-10 | 2008-10-15 | 三井金属矿业株式会社 | Manufacturing method of metal composite and component composed of metal composite |
| CN105177376A (en) * | 2015-07-30 | 2015-12-23 | 东莞市晋益电子科技有限公司 | Novel aluminum alloy material and bi-metal die-casting method |
-
2016
- 2016-04-07 CN CN201610212170.5A patent/CN105798257B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136634A (en) * | 1995-05-19 | 1996-11-27 | 徐巨祥 | Zinc alloy padlock body and manufacturing method thereof |
| JPH09155654A (en) * | 1995-12-13 | 1997-06-17 | Yokoya:Kk | Joining method for member made of die cast and joined substance |
| CN1224791A (en) * | 1998-11-05 | 1999-08-04 | 台山华一五金制品有限公司 | Stainless steel padlock and its making process |
| CN1765544A (en) * | 2005-06-01 | 2006-05-03 | 丁德伟 | Metal press (pouring) cast composite product and its manufacturing technology |
| CN101285135A (en) * | 2007-04-10 | 2008-10-15 | 三井金属矿业株式会社 | Manufacturing method of metal composite and component composed of metal composite |
| CN201080747Y (en) * | 2007-07-13 | 2008-07-02 | 李吉源 | Separate type padlock |
| CN105177376A (en) * | 2015-07-30 | 2015-12-23 | 东莞市晋益电子科技有限公司 | Novel aluminum alloy material and bi-metal die-casting method |
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