CN107983931B - A kind of die-casting process method of padlock body - Google Patents
A kind of die-casting process method of padlock body Download PDFInfo
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- CN107983931B CN107983931B CN201711388381.5A CN201711388381A CN107983931B CN 107983931 B CN107983931 B CN 107983931B CN 201711388381 A CN201711388381 A CN 201711388381A CN 107983931 B CN107983931 B CN 107983931B
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- die casting
- lock body
- type chamber
- body type
- die
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Classifications
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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
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- 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
-
- 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
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2069—Exerting after-pressure on the moulding material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of die-casting process methods of padlock body, it is desirable to provide one kind can simplify the manufacturing procedure of padlock body, improve stock utilization, reduce the die-casting process method of the padlock body of production cost.It includes die casting, and die casting is equipped with the connection running channel of main running channel, several lock body type chambers and connection main running channel and lock body type chamber, and successively the following steps are included: first, die casting molds the die-casting process method of padlock body；Second, die casting is preheated；Third carries out vacuumize process to the lock body type chamber of die casting；4th, it will be cooled and shaped in the lock body type chamber of molten metal bath injection to die casting using die casting machine.
Description
Technical field
The present invention relates to a kind of lock body processing methods, and in particular to a kind of die-casting process method of padlock body.
Background technique
Padlock is family most ancient, most huge in the lockset world, many kinds of, different.Current padlock lock
The processing method of body is all with the following method: the long billot of M/B, then, is carried out down according to lock body specification to long billot
Material, obtains the lock body blank for meeting size；Followed by, two end faces of lock body blank are polished, then on drilling machine plus
Work lockhole, lock body notch is milled out on milling machine and carries out chamfering etc..The processing method of current padlock body not only manufacturing procedure
Complexity, required device category is various, and space occupied is big, and production efficiency is low；And stock utilization is low, high production cost.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings in the prior art and to provide one kind can simplify adding for padlock body
Work process improves stock utilization, reduces the die-casting process method of the padlock body of production cost.
The technical scheme is that
A kind of die-casting process method of padlock body, including die casting, die casting are equipped with main running channel, several lock bodies
The connection running channel of type chamber and connection main running channel and lock body type chamber,
The die-casting process method of padlock body successively the following steps are included:
First, die casting molding；
Second, die casting is preheated；
Third carries out vacuumize process to the lock body type chamber of die casting；
4th, it will be cooled and shaped in the lock body type chamber of molten metal bath injection to die casting using die casting machine.
The padlock body of this programme utilizes die casting machine and die casting, directly produces padlock using the method for die cast
Lock body blank (remaining casting material other than padlock body blank can melt down utilization) then carries out blank lockhole on drilling machine
Processing, the die-casting process method of the padlock body of this programme can effectively simplify the manufacturing procedure of padlock body, save artificial
Cost shortens production line, reduces occupied space；Stock utilization is up to 99% or more, effectively improves stock utilization, reduces life
Produce cost.
Preferably, in four steps, it will be in the lock body type chamber of molten metal bath injection to die casting using die casting machine
Specific step is as follows for cooling and shaping:
Firstly, die casting machine is under the action of setting pressure T1 by the lock body type chamber of molten metal bath injection to die casting
In, after molten metal bath fills full each lock body type chamber, die casting machine is by boost in pressure to T2；Then, die casting machine keeps T2 die casting
Pressure is until the molten metal bath in lock body type chamber is cooled and shaped.
Following steps are successively undergone during the padlock body die cast of this programme:
Firstly, (die casting machine arrives molten metal bath injection under the action of setting pressure T1 low pressure filling molten metal bath
In the lock body type chamber of die casting)；Lock body type chamber is expired in the filling that molten metal bath can be made orderly in this way, makes the intracavitary gas of lock body type
Body discharge, when high pressure being avoided to fill, the gas in type chamber is difficult to be completely exhausted out and causes casting lock body to be easy to appear to be partially formed gas
The defect of hole or shrinkage hole；
Then, die casting machine by boost in pressure to T2, and keep T2 die casting pressure until lock body type chamber in molten metal bath
It is cooled and shaped, the intensity and hardness of casting lock body not only can be improved, and the surface of casting lock body is solid, smooth.
Preferably, die casting further includes including setting with the one-to-one core-pulling mechanism of lock body type chamber, core-pulling mechanism
The first pilot hole being connected on die casting lateral surface and with lock body type chamber and the second pilot hole are slidably arranged in first and lead
The first core pulling column into hole and the second core pulling column being slidably arranged in the second pilot hole, the axis of first pilot hole with
The axis of second pilot hole is parallel.
In second step, the method preheated to die casting is as follows:
Firstly, by each core-pulling mechanism the first core pulling column and the second core pulling column extract out, so that lock body type chamber is connected with the external world
It is logical；Then, thermal current is passed through to each lock body type is intracavitary by main running channel；Thermal current can be made in running channel and each lock body type chamber in this way
Interior circulation guarantees that the temperature of lock body type cavity wall is uniformly reliable by the die casting that directly heats of thermal current from-inner-to-outer；This
Sample can to avoid because the preheating temperature temperature of lock body type cavity wall not enough and there are the temperature difference caused by casting lock body surface
Defect.
Followed by, by each core-pulling mechanism the first core pulling column and the second core pulling column protrude into place, and keep to each lock body
Type is intracavitary to be passed through thermal current；It can so be protected to the first intracavitary core pulling column of lock body type is protruded into and the second core pulling column heats
Card protrudes into the first intracavitary core pulling column of lock body type and the temperature of the second core pulling column is consistent with the temperature of lock body type cavity wall, in this way may be used
To avoid the surface defect of the casting lock body caused by inadequate of the preheating temperature temperature because of core pulling column.
Finally, stopping being passed through thermal current, the preheating to die casting is completed.
Preferably, die casting further includes eliminating structure with the one-to-one stomata of lock body type chamber, stomata eliminates structure
Connection passageway including the reserved cavity being arranged on die casting and connection reserved cavity and lock body type chamber；
The lock body type chamber is in U-shape, and lock body type chamber includes body type cavity and two extension portions positioned at body type cavity the same side
Type chamber, two extension portion type chambers are connected with type cavity main body, and the connection running channel is connected with one of extension portion type chamber,
In same lock body type chamber: an extension portion type chamber phase is connected with running channel is connect, another extension portion type chamber phase be connected to
Passageway is connected.
This programme structure designs connection running channel, lock body type chamber and the company for being connected to passageway using the special construction of lock body type chamber
Connect relationship, make in same lock body type chamber: an extension portion type chamber phase is connected with running channel is connect, another extension portion type chamber phase be connected to
Passageway is connected；In this way during molten metal bath fills lock body type chamber, molten metal bath pours first filling with master is connect
The extension portion type chamber that road is connected, then molten metal bath enters body type cavity, and enters by body type cavity and be connected to passageway phase
In the extension portion type chamber phase of connection, finally, molten metal bath is entered in corresponding reserved cavity by connection passageway, in this way, passing through
This partial melting molten metal for wrapping up bubble is transferred in reserved cavity by the flowing of molten metal bath, to further avoid casting
Part lock body occurs being partially formed the defect of stomata or shrinkage hole.
The beneficial effects of the present invention are: can effectively simplify the manufacturing procedure of padlock body, save labour turnover, shortens production
Line reduces occupied space；Stock utilization is up to 99% or more, effectively improves stock utilization, reduces production cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of die casting of the invention.
In figure:
Die casting 1；
Main running channel 2；
Lock body type chamber 3, body type cavity 3.1, extension portion type chamber 3.2；
Connect running channel 4；
Core-pulling mechanism 5, the first core pulling column 5.1, the second core pulling column 5.2；
Stomata eliminates structure 6, reserves cavity 6.1, is connected to passageway 6.2.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, a kind of die-casting process method of padlock body, including die casting 1.
Die casting is equipped with the connection running channel 4 of main running channel 2, several lock body type chambers 3 and connection main running channel and lock body type chamber.
Lock body type chamber is in U-shape.Lock body type chamber includes body type cavity 3.1 and two extension portion type chambers 3.2 positioned at body type cavity the same side.Two
A extension portion type chamber is connected with type cavity main body.Connection running channel is connected with one of extension portion type chamber.
Die casting further include with the one-to-one core-pulling mechanism 5 of lock body type chamber and with the one-to-one gas of lock body type chamber
Eliminate structure 6 in hole.
Core-pulling mechanism includes being arranged on die casting lateral surface and the first pilot hole being connected with lock body type chamber and
Two pilot holes, the first core pulling column 5.1 being slidably arranged in the first pilot hole, the second pumping being slidably arranged in the second pilot hole
Stem 5.2 and driving cylinder for driving the first core pulling column and the second core pulling column mobile.The axis of first pilot hole and second
The axis of pilot hole is parallel.
It includes the reserved cavity 6.1 being arranged on die casting and the reserved cavity of connection and lock body type chamber that stomata, which eliminates structure,
Connection passageway 6.2.
In same lock body type chamber: an extension portion type chamber phase is connected with running channel is connect, another extension portion type chamber phase be connected to
Passageway is connected.
The die-casting process method of padlock body successively the following steps are included:
First, die casting molding；
Second, die casting is preheated；
Third carries out vacuumize process to the lock body type chamber of die casting；
4th, it will be cooled and shaped in the lock body type chamber of molten metal bath injection to die casting using die casting machine.
In second step, the method preheated to die casting is as follows:
Firstly, by each core-pulling mechanism the first core pulling column and the second core pulling column extract out, so that lock body type chamber is connected with the external world
It is logical；
Then, thermal current is passed through to each lock body type is intracavitary by main running channel；
Followed by, by each core-pulling mechanism the first core pulling column and the second core pulling column protrude into place, and keep to each lock body
Type is intracavitary to be passed through thermal current；
Finally, stopping being passed through thermal current, the preheating to die casting is completed.
In four steps, it will be cooled and shaped in the lock body type chamber of molten metal bath injection to die casting using die casting machine
Specific step is as follows:
Firstly, die casting machine is under the action of setting pressure T1 by the lock body type chamber of molten metal bath injection to die casting
In, after molten metal bath fills full each lock body type chamber, die casting machine is by boost in pressure to T2；Then, die casting machine keeps T2 die casting
Pressure is until the molten metal bath in lock body type chamber is cooled and shaped.The pressure of T2 is 3 times or more of the pressure of T1 in the present embodiment.
Claims (4)
1. a kind of die-casting process method of padlock body, characterized in that including die casting, die casting be equipped with main running channel,
The connection running channel of several lock body type chambers and connection main running channel and lock body type chamber,
The die-casting process method of padlock body successively the following steps are included:
First, die casting molding；
Second, die casting is preheated；
Third carries out vacuumize process to the lock body type chamber of die casting；
4th, it will be cooled and shaped in the lock body type chamber of molten metal bath injection to die casting using die casting machine；
The die casting further include with the one-to-one core-pulling mechanism of lock body type chamber, core-pulling mechanism include be arranged in die casting
The first pilot hole and the second pilot hole that are connected on lateral surface and with lock body type chamber, be slidably arranged in the first pilot hole
One core pulling column and the second core pulling column being slidably arranged in the second pilot hole；
In second step, the method preheated to die casting is as follows:
Firstly, by each core-pulling mechanism the first core pulling column and the second core pulling column extract out, so that lock body type chamber is connected with the external world；
Then, thermal current is passed through to each lock body type is intracavitary by main running channel；
Followed by, by each core-pulling mechanism the first core pulling column and the second core pulling column protrude into place, and keep to each lock body type chamber
Inside it is passed through thermal current；
Finally, stopping being passed through thermal current, the preheating to die casting is completed.
2. a kind of die-casting process method of padlock body according to claim 1, characterized in that in the four steps,
It will be cooled and shaped that specific step is as follows in the lock body type chamber of molten metal bath injection to die casting using die casting machine:
Firstly, die casting machine under the action of setting pressure T1 by the lock body type chamber of molten metal bath injection to die casting, when
After molten metal bath fills full each lock body type chamber, die casting machine is by boost in pressure to T2；Then, die casting machine keeps T2 die casting pressure straight
Molten metal bath into lock body type chamber is cooled and shaped.
3. a kind of die-casting process method of padlock body according to claim 1, characterized in that first pilot hole
Axis is parallel with the axis of the second pilot hole.
4. a kind of die-casting process method of padlock body according to claim 1, characterized in that the die casting also wraps
It includes and eliminates structure with the one-to-one stomata of lock body type chamber, it includes the reserved cavity being arranged on die casting that stomata, which eliminates structure,
And connect the connection passageway of reserved cavity and lock body type chamber；
The lock body type chamber is in U-shape, and lock body type chamber includes body type cavity and two extension portion type chambers positioned at body type cavity the same side,
Two extension portion type chambers are connected with type cavity main body, and the connection running channel is connected with one of extension portion type chamber,
In same lock body type chamber: an extension portion type chamber is connected with running channel is connect, another extension portion type chamber is connected with connection passageway
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388381.5A CN107983931B (en) | 2017-12-20 | 2017-12-20 | A kind of die-casting process method of padlock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388381.5A CN107983931B (en) | 2017-12-20 | 2017-12-20 | A kind of die-casting process method of padlock body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983931A CN107983931A (en) | 2018-05-04 |
| CN107983931B true CN107983931B (en) | 2019-08-06 |
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ID=62039506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711388381.5A Active CN107983931B (en) | 2017-12-20 | 2017-12-20 | A kind of die-casting process method of padlock body |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1495173A (en) * | 1922-09-26 | 1924-05-27 | Hacklander Max | Padlock |
| CN1042674A (en) * | 1989-09-30 | 1990-06-06 | 应军 | A kind of manufacture method of aluminium lock body |
| JPH09155654A (en) * | 1995-12-13 | 1997-06-17 | Yokoya:Kk | Joining method for member made of die cast and joined substance |
| CN1412406A (en) * | 2001-10-11 | 2003-04-23 | 樊建国 | Production method of lock body |
| JP2003225752A (en) * | 2002-02-04 | 2003-08-12 | Tokai Rika Co Ltd | Method for manufacturing formed product |
| CN102527980A (en) * | 2010-11-24 | 2012-07-04 | 南通顶点科技服务有限公司 | Pressure casting process for lock |
| CN106077570A (en) * | 2016-07-26 | 2016-11-09 | 东莞华程金属科技有限公司 | The extrusion process of a kind of Novel belt frame inserts and die casting |
-
2017
- 2017-12-20 CN CN201711388381.5A patent/CN107983931B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1495173A (en) * | 1922-09-26 | 1924-05-27 | Hacklander Max | Padlock |
| CN1042674A (en) * | 1989-09-30 | 1990-06-06 | 应军 | A kind of manufacture method of aluminium lock body |
| JPH09155654A (en) * | 1995-12-13 | 1997-06-17 | Yokoya:Kk | Joining method for member made of die cast and joined substance |
| CN1412406A (en) * | 2001-10-11 | 2003-04-23 | 樊建国 | Production method of lock body |
| JP2003225752A (en) * | 2002-02-04 | 2003-08-12 | Tokai Rika Co Ltd | Method for manufacturing formed product |
| CN102527980A (en) * | 2010-11-24 | 2012-07-04 | 南通顶点科技服务有限公司 | Pressure casting process for lock |
| CN106077570A (en) * | 2016-07-26 | 2016-11-09 | 东莞华程金属科技有限公司 | The extrusion process of a kind of Novel belt frame inserts and die casting |
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| Publication number | Publication date |
|---|---|
| CN107983931A (en) | 2018-05-04 |
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Effective date of registration: 20200330 Address after: 215000 No. 52 Longpu Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: SUZHOU DOPOTO AUTO PARTS Co.,Ltd. Address before: 322204 industrial function zoning of Huang Zhai town Pujiang County Jinhua city Zhejiang Province Patentee before: PUJIANG GUANSHAN LOCKSET Co.,Ltd. |
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| TR01 | Transfer of patent right |