CN106271483A - Prevent the die processing method that die joint damages - Google Patents
Prevent the die processing method that die joint damages Download PDFInfo
- Publication number
- CN106271483A CN106271483A CN201610768823.8A CN201610768823A CN106271483A CN 106271483 A CN106271483 A CN 106271483A CN 201610768823 A CN201610768823 A CN 201610768823A CN 106271483 A CN106271483 A CN 106271483A
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- die
- mold
- cavity
- protection tool
- protection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
Prevent the die processing method that die joint damages; upper protection tool and lower protection tool is processed by the die joint shape of mold and lower mold; utilize protection tool and mould to realize being close to the die joint protecting mould before the mold cavity forming of mould is processed will not to destroy in the course of processing; and die cavity and the seamed edge of die joint can be protected during polishing etc. processes will not to be ground with fillet, thus improve the quality of shaped article.
Description
Technical field:
The application relate to the die processing method preventing die joint from damaging.
Background technology:
It is widely applied along with plastic day overflows, such as cosmetics of everyday use, beverage packaging unit, earphone, toy etc., outward appearance
The surface often requiring that plastic mold cavity is needed to reach bright finished degree.Thus requirement to polishability is the most high.Throw
Light not only increases the attractive in appearance of workpiece, and can improve the corrosion resistance of material surface, wearability, it is also possible to make mould have it
Its advantage, but for ease of processing, be all typically separately to be polished adding by upper/lower die when die cavity is processed by shot blasting
Work, is processed into fillet by the boundary of die cavity Yu die joint when so easily causing polishing grinding, die cavity when making upper/lower die matched moulds
Defective, that impact produces product appearance, additionally when the processing and forming of die cavity, as used spark machined, directly at mould
On process die cavity after, easily there is defect in die cavity and die joint intersection, thus cause the product of mold cavity forming burr occur
Deng, affect Forming Quality.
Teachings herein:
For solving the problem being easily worn in the die cavity of mould and the die joint intersection course of processing in prior art, this
Application provides the die processing method preventing die joint from damaging.
The application is achieved through the following technical solutions:
Prevent the die processing method that die joint damages, comprise the steps；
A, process upper protection tool and lower protection tool by the die joint shape of mold and lower mold；
B, upper protection tool is fixedly installed on the die joint of die cavity claimed by mold, and the end of upper protection tool
Face is close to the intersection of mold die cavity and die joint, and lower protection tool is installed the typing to die cavity claimed by lower mold
On face, and the end face of lower protection tool is close to the intersection of lower mold die cavity and die joint；
C, mold and lower mold are carried out cavity molding processing respectively, process shaping mold cavity on the upper mold,
The compacted under die cavity coordinated with upper shaping mold cavity is processed in lower mold；
D, upper protection tool and lower protection tool are split out respectively, then mold and lower mold are combined install；
E, carry out polishing process to being synthesized complete shaping mold cavity by upper shaping mold cavity and compacted under cavity set；
F, mold and lower mold are split, and be respectively mounted protection tool and lower protection tool, respectively to upper mold
The upper shaping mold cavity of tool and the compacted under die cavity of lower mold are processed by shot blasting.
Prevent the die processing method that die joint damages as above, the upper processing side protecting tool in described step a
Method is to be careful silk thread cutting processing by the boundary shapes of die cavity and the die joint of protection needed for mold.
Prevent the die processing method that die joint damages as above, the lower processing side protecting tool in described step a
Method is to be careful silk thread cutting processing by the boundary shapes of die cavity and the die joint of protection needed for lower mold.
Prevent the die processing method that die joint damages, described upper protection tool and the thickness of lower protection tool as above
Degree is 1mm to 2mm.
Preventing the die processing method that die joint damages as above, described upper protection tool and mold are same material
Material, described lower protection tool and lower mold are same material.
Preventing the die processing method that die joint damages, described cavity shape as above is earphone outer covering shape, described
The die joint step surface of lower mold, it includes terrace of appearing on the stage, leave from office terrace and vertical appear on the stage between terrace and leave from office terrace
Step surface, described compacted under die cavity includes the ear casing root forming part being located at leave from office terrace level, and becomes with ear casing root
Type portion the earphone heads forming part from the vertical supreme step surface of step surface bending.
Prevent the die processing method that die joint damages, described lower protection tool from including being connected to get out of a predicament or an embarrassing situation as above
On face first is protected block and is connected to the second protection block appearing on the stage on terrace, and described first protection block front end is provided with bending part,
Described bending part and described vertical step surface are fitted, described first protection block be connected horizontally on leave from office terrace and by bending part and
It is located at the second protection block appeared on the stage on terrace to connect, makes the protection shape that the first protection block and the second protection block composition link up.
Preventing the die processing method that die joint damages as above, in described step b, upper protection tool passes through pin
Being fixed on described mold, described mold is provided with hole, location, and described upper protection tool also is provided with the pin hole of correspondence.
Preventing the die processing method that die joint damages as above, in described step b, upper protection tool passes through
The mode of spot welding is fixedly mounted on described mold.
The die processing method that die joint damages, the moulding of the die cavity in described step c is prevented to be processed as above
Spark machined.
Compared with prior art, the application has the following advantages:
1, the application have employed protection tool and is close to the intersection of die cavity and die joint, makes die cavity in processing with polished
In journey, the intersection with die joint can obtain protecting the protection of tool, makes to remain corner angle limit herein, closes at upper/lower die
The defects such as gap are not had after mould.
2, the protection tool of the application uses and processes by the be careful mode of silk thread cutting of the die joint of mould, makes protection control
Tool can completely coordinate with die cavity intersection, reaches more preferable protected effect.
3, the protection tool thickness of the application is thin, easy to process and saving material, and alignment pin can be used when mounted to fix
Install or use spot welding mode to fixedly mount, install quickly and be prone to mounting or dismounting.
Accompanying drawing illustrates:
For the technical scheme being illustrated more clearly that in the embodiment of the present application, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the application, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic diagram of the application mold spark machined；
Fig. 2 is the schematic diagram of the application lower mold spark machined；
Fig. 3 is schematic diagram after the application lower mold spark machined completes；
Fig. 4 is the application lower mold and lower protection tool schematic diagram；
Fig. 5 is schematic diagram after the application lower mold and mold matched moulds；
Fig. 6 is schematic diagram after the application mold spark machined completes；
Fig. 7 is the application mold and upper protection tool schematic diagram.
Detailed description of the invention:
In order to make the application be solved the technical problem that, technical scheme and beneficial effect clearer, below in conjunction with
Drawings and Examples, are further elaborated to the application.Should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
As shown in Figure 1 and Figure 2, prevent the die processing method that die joint damages, comprise the steps；A, by mold 1 and
The die joint shape of lower mold 2 processes protection tool 3 and lower protection tool 4；b、
Upper protection is controlled 3 tools be fixedly installed on the die joint of die cavity claimed by mold 1, and upper protection tool 3
End face is close to the intersection of mold die cavity 1 and die joint, installs lower protection tool 4 to die cavity claimed by lower mold 2
Die joint on, and the end face of lower protection tool is close to the intersection of lower mold die cavity and die joint；C, by mold and under
Mould carries out cavity molding processing respectively, processes shaping mold cavity 101 on the upper mold, lower mold processes with on become
The compacted under die cavity 201 that pattern chamber coordinates；D, upper protection tool 3 and lower protection tool 4 are split out respectively, then by mold 1 He
Lower mold 2 combination is installed；E, carry out province to being combined into complete shaping mold cavity by upper shaping mold cavity 101 and compacted under die cavity 202
Mould processes；Polishing is processed as, and by upper shaping mold cavity and compacted under die cavity matched moulds, processing of together polishing, can eliminate in manufacture process
Produce the error on matched moulds border.F, mold 1 and lower mold 2 are split, and be respectively mounted protection tool 3 and lower protection is controlled
Tool 4, is processed by shot blasting the upper shaping mold cavity of mold and the compacted under die cavity of lower mold respectively.Mold cavity forming at mould
Utilize protection tool and mould to realize being close to the die joint protecting mould before processing will not to destroy in the course of processing, and
Die cavity and the seamed edge of die joint can be protected during polishing etc. processes will not to be ground with fillet, thus improve shaped article
Quality.
Further, in described step a, the processing method of upper protection tool is by the die cavity protected needed for mold and to divide
The boundary shapes of profile be careful silk thread cutting processing.So processing is made thinner, easy to process and saving material, and presses dividing of mould
The be careful mode of silk thread cutting of profile is contoured and forms, and enables protection tool completely to coordinate with die cavity intersection, reaches more preferable
Protected effect.
Further, in described step a the processing method of lower protection tool be by the die cavity of protection needed for lower mold with
The boundary shapes of die joint be careful silk thread cutting processing.So processing is made thinner, easy to process and saving material, and presses mould
The be careful mode of silk thread cutting of die joint is contoured and forms, and enables protection tool completely to coordinate with die cavity intersection, reaches more
Good protected effect.
Specifically, the thickness of described upper protection tool and lower protection tool is 1mm to 2mm.The most preferentially select tool
Processing thickness is 1mm, and do so is the most frivolous, mounts and dismounts convenient, and can save material, reduces and produces into
This.
Further, described upper protection tool 3 is same material with mold 1, described lower protection tool 4 and lower mold 2
For same material.Use same material, it is ensured that the forming process of die cavity will not be stopped to fall by protection tool in the course of processing,
When die cavity spark machined molding, protection tool can together be corroded molding in processing is constituted, it is ensured that die cavity with point
The intersection of profile keeps seamed edge.
Further, described cavity shape is earphone outer covering shape, and the die joint of described lower mold is step surface, and it includes
Appear on the stage terrace 203, leave from office terrace 204 and at the vertical step surface appeared on the stage between terrace and leave from office terrace, described compacted under die cavity
Including being located at the ear casing root forming part 2011 of leave from office terrace level, and with ear casing root forming part from vertical step surface
The earphone heads forming part 2012 of the supreme step surface of bending.
Specifically, the die joint of described mold includes horizontal parting face and vertical parting face, described horizontal parting face with
The leave from office terrace of described lower mold coordinates, and described vertical parting face coordinates with described vertical step surface, it is ensured that be located on mold
Upper shaping mold cavity can coordinate with compacted under die cavity.
The most further, described lower protection tool includes the be connected on leave from office terrace first protection block and is connected to appear on the stage
The second protection block 403 on terrace, described first protection block front end is provided with bending part 402, described bending part and described vertical platform
Terrace is fitted, and described first protection block is connected horizontally on leave from office terrace and is protected with being located at second appeared on the stage on terrace by bending part
Protect block to connect, make the protection shape that the first protection block and the second protection block composition link up.The outside of described compacted under die cavity is by a left side
Right two piece of first protection block and the second protection block mutually surround, it is ensured that lower protection tool can protect compacted under die cavity and typing
The boundary in face.
Specifically, described upper protection tool also is provided with sticking part and and the vertical parting connected with mold horizontal parting face
The bending part that face coordinates, the both sides of described upper shaping mold cavity are equipped with protection tool.
Yet further, in described step b, upper protection tool 3 is fixed by a pin on described mold 1, described upper mold
Tool is provided with hole 102, location, and described upper protection tool also is provided with the pin hole 302 of correspondence.Use hole, location and location
The Fast Installation of pin realization protection tool, after the protection tool hole bit alignment with mould, squeezes into pin and makes its firm installation
, and can be accurately positioned together, prevent from loosening in the course of processing and affecting crudy.Only need to be by pin after machining
Nail puller goes out to complete dismounting.
Specifically, in like manner, lower protection tool and lower mold also are provided with the pin hole of correspondence, make it solid by pin is fixing
It is scheduled in lower mold, it is achieved rapid-assembling/disassembling and firm connection.
Protection tool connects embodiment two；
Further, in described step b, upper protection tool is fixedly mounted on described upper mold by the way of spot welding
On tool.The part not contacted with mold parting surface on protection tool makes protection tool and mould firm even by spot welding mode
Connect, also do not interfere with die joint, only a welding position need to be ground off after processing, under protection tool can being dismantled from mould
Come, compare dismounting mutually with above-described embodiment more complex, but install and connect more firm, it is possible to well protection is arrived
Die joint.
Specifically, lower protection tool and lower mold connect also by the mode of spot welding is firm.
Further, the moulding of the die cavity in described step c is processed as spark machined.Use spark machined, typically
Machining be difficult to, the processing of metal, Yi Jixi, narrow slit class, standard machinery processing is difficult to, position, clear angle etc.
The spark machined such as processing can realize easily.Spark machined has advantage；1. the energy density of pulsed discharge is high,
It is easy to processing and is difficult to process the workpiece of special material and the complicated shape maybe cannot processed with common machining process.It is not subject to
Material hardness affects, not the impact of heat-treated situation.2. the pulsed discharge persistent period is extremely short, and the heat conduction produced during electric discharge is expanded
The scope of dissipating is little, and the material scope that is influenced by heat is little.3. adding man-hour, tool-electrode does not contacts with workpiece material, and macroscopic view is made between the two
The most minimum.Tool-electrode material is not required to harder than workpiece material, and therefore, tool-electrode is easy to manufacture.4. can reform workpiece knot
Structure, simplified processing process, improves workpiece service life, reduces labor strength.
The application operation principle:
The application prevents die processing method that die joint damages according to required guarantor before the mold cavity forming of mould is processed
The die joint that protects uses the mode of low-speed WEDM to process the protection tool with its snug fit, then protection tool with
Process hole, location on die joint, then make protection tool in being driven into hole, location by shop bolt and mould is relatively fixed one
Rise, or directly use spot welding mode to make together with protection tool is relatively fixed with mould, then carry out the spark machined of mould,
In edm process, protection tool can protect the boundary seamed edge of die joint and die cavity, makes the course of processing to break
Its structure bad, can disassemble protection tool after pocket machining completes, will process mold and the lower mold of die cavity
It is combined and installed together, the die cavity of combination is carried out polishing process, by the mating part break-in of die cavity, eliminate the mistake processed
Difference and defect, after polishing completes, in order to the product making this mould process is more attractive, be polished place to the die cavity of mould
Reason, before polishing, then is installed together from new be connected with die joint by protection tool, then is polished processing, prevent
The seamed edge of die cavity Yu the intersection of die joint is worn into fillet by polishing process, affects Forming Quality, cause processing defective products.
It is described above as combining one or more embodiments that particular content provides, does not assert that the application's is concrete real
Execute and be confined to these explanations.All and the present processes, structure etc. approximate, duplicate, or under the application concept thereof
Make some technology deduction or replace, all should be considered as the protection domain of the application.
Claims (10)
1. prevent the die processing method that die joint damages, it is characterised in that comprise the steps；
A, process upper protection tool and lower protection tool by the die joint shape of mold and lower mold；
B, upper protection tool is fixedly installed on the die joint of die cavity claimed by mold, and the end face of upper protection tool is tight
It is attached to the intersection of mold die cavity and die joint, lower protection tool is installed the die joint to die cavity claimed by lower mold
On, and the end face of lower protection tool is close to the intersection of lower mold die cavity and die joint；
C, mold and lower mold are carried out cavity molding processing respectively, process shaping mold cavity on the upper mold, in lower mold
The compacted under die cavity coordinated with upper shaping mold cavity is processed on tool；
D, upper protection tool and lower protection tool are split out respectively, then mold and lower mold are combined install；
E, carry out polishing process to being synthesized complete shaping mold cavity by upper shaping mold cavity and compacted under cavity set；
F, mold and lower mold are split, and be respectively mounted protection tool and lower protection tool, respectively to mold
The compacted under die cavity of upper shaping mold cavity and lower mold is processed by shot blasting.
The die processing method preventing die joint from damaging the most according to claim 1, it is characterised in that in described step a
The processing method of upper protection tool is the required die cavity of protection of imitative mold and the boundary shapes of die joint is careful silk thread cutting processing.
The die processing method preventing die joint from damaging the most according to claim 1, it is characterised in that in described step a
The processing method of lower protection tool is to be careful silk thread cutting processing by the boundary shapes of die cavity and the die joint of protection needed for lower mold.
The die processing method preventing die joint from damaging the most as claimed in any of claims 1 to 3, its feature exists
In, the thickness of described upper protection tool and lower protection tool is 1mm to 2mm.
The die processing method preventing die joint from damaging the most as claimed in any of claims 1 to 3, its feature exists
In, described upper protection tool and mold are same material, and described lower protection tool and lower mold are same material.
The die processing method preventing die joint from damaging the most according to claim 1, it is characterised in that described cavity shape
For earphone outer covering shape, the die joint of described lower mold is step surface, and it includes terrace of appearing on the stage, leave from office terrace and appear on the stage terrace with
Vertical step surface between leave from office terrace, described compacted under die cavity includes the ear casing root molding being located at leave from office terrace level
Portion, and with ear casing root forming part from the earphone heads forming part of the vertical supreme step surface of step surface bending.
The die processing method preventing die joint from damaging the most according to claim 6, it is characterised in that described lower protection is controlled
Tool includes the be connected on leave from office terrace first protection block and is connected to the second protection block appearing on the stage on terrace, described first protection
Block front end is provided with bending part, and described bending part is fitted with described vertical step surface, and described first protection block is connected horizontally on leave from office
Terrace is also connected with being located at the second protection block appeared on the stage on terrace by bending part, makes the first protection block and the second protection block composition
Coherent protection shape.
The die processing method preventing die joint from damaging the most according to claim 1, it is characterised in that in described step b
Upper protection tool is fixed by a pin on described mold, and described mold is provided with hole, location, on described upper protection tool
It also is provided with the pin hole of correspondence.
The die processing method preventing die joint from damaging the most according to claim 1, it is characterised in that described step
In b, upper protection tool is fixedly mounted on described mold by the way of spot welding.
The die processing method preventing die joint from damaging the most according to claim 1, it is characterised in that in described step c
The moulding of die cavity be processed as spark machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768823.8A CN106271483B (en) | 2016-08-30 | 2016-08-30 | Mold processing method for preventing parting surface from being damaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768823.8A CN106271483B (en) | 2016-08-30 | 2016-08-30 | Mold processing method for preventing parting surface from being damaged |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106271483A true CN106271483A (en) | 2017-01-04 |
| CN106271483B CN106271483B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610768823.8A Active CN106271483B (en) | 2016-08-30 | 2016-08-30 | Mold processing method for preventing parting surface from being damaged |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI844334B (en) * | 2022-12-16 | 2024-06-01 | 大陸商立訊智造科技（常熟）有限公司 | Mold processing device and mold processing method |
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| CN202053141U (en) * | 2011-01-28 | 2011-11-30 | 深圳市东方亮彩精密技术有限公司 | Cavity-polishing jig capable of preventing closed angle of die orifice from being chamfered |
| CN103212759A (en) * | 2013-03-20 | 2013-07-24 | 淮海工学院 | Method for processing plastic profile shape extrusion die cavity by slow feeding |
| CN203343570U (en) * | 2013-05-09 | 2013-12-18 | 天津市中环三峰电子有限公司 | Device preventing mould core corner collapse |
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| US3910138A (en) * | 1974-03-06 | 1975-10-07 | Samarendra Narayan Sinha | Dies and punches for producing pressed components |
| JPH071253A (en) * | 1993-06-17 | 1995-01-06 | Nippon Light Metal Co Ltd | Hollow extrusion die manufacturing method |
| CN1603058A (en) * | 2003-09-30 | 2005-04-06 | 明基电通股份有限公司 | Method for Improving Excessive Polishing of Cavity Edge of Injection Molding Cavity |
| CN202053141U (en) * | 2011-01-28 | 2011-11-30 | 深圳市东方亮彩精密技术有限公司 | Cavity-polishing jig capable of preventing closed angle of die orifice from being chamfered |
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| CN106271483B (en) | 2019-02-05 |
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