CN103273151B - Three plates mold electrical discharge machining process - Google Patents

Three plates mold electrical discharge machining process Download PDF

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Publication number
CN103273151B
CN103273151B CN201310225454.4A CN201310225454A CN103273151B CN 103273151 B CN103273151 B CN 103273151B CN 201310225454 A CN201310225454 A CN 201310225454A CN 103273151 B CN103273151 B CN 103273151B
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CN
China
Prior art keywords
die joint
parting line
electric spark
counterdie
surplus
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Application number
CN201310225454.4A
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Chinese (zh)
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CN103273151A (en
Inventor
冯峰
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南通超达机械科技有限公司
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Priority to CN201310225454.4A priority Critical patent/CN103273151B/en
Publication of CN103273151A publication Critical patent/CN103273151A/en
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Publication of CN103273151B publication Critical patent/CN103273151B/en

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Abstract

The invention discloses three plates mold electrical discharge machining process, three plates mold of the present invention comprises: patrix, intermediate mass and counterdie, and the step of electrical discharge machining process is: carry out the first die joint processing to patrix; Second die joint processing is carried out to intermediate mass; Three parting line and the processing of tetrad segregation types face are carried out to counterdie, and reserved electric spark surplus, the reserved electric spark surplus of three parting line is greater than the reserved electric spark surplus in tetrad segregation types face; With the second die joint of intermediate mass and the three parting line of counterdie and tetrad segregation types face discharge spark; Being overlapped with the three parting line of counterdie and tetrad segregation types face by second die joint of intermediate mass, it is overall to be combined into; 5th die joint processing is carried out to lower entirety, and reserved electric spark surplus; With the first die joint of patrix and the 5th die joint discharge spark of lower entirety.The mould that three plates mold electrical discharge machining process of the present invention produces can effectively prevent from occurring when PU foams leaking material phenomenon.

Description

Three plates mold electrical discharge machining process
Technical field
The present invention relates to PU foaming mould and manufacture field, particularly a kind of three plates mold electrical discharge machining process.
Background technology
Traditional three plates mold electrical discharge machining process is: carry out spark machined to the die joint of patrix, intermediate mass, counterdie respectively, and coincidence merging is carried out in processing again after putting in place respectively.Its die joint due to each mould, for separately to carry out spark machined, makes certain difference that the shape of die joint exists, so that after overlapping, can not fit completely between die joint, easily causes and Lou expects phenomenon.
In addition, in traditional handicraft, when die joint CNC Milling Process, reserved electric spark surplus is all set to 0.3mm, now, easily causes Lou expect phenomenon at inclination die joint place.
Summary of the invention
The object of the present invention is to provide a kind of three plates mold electrical discharge machining process preventing mould from leaking material when PU foams.
To achieve these goals, three plates mold electrical discharge machining process provided by the invention, three plates mold comprises: patrix, intermediate mass and counterdie, and electrical discharge machining process comprises the following steps:
S1: the first die joint processing is carried out to patrix;
S2: the second die joint processing is carried out to intermediate mass;
S3: three parting line and the processing of tetrad segregation types face are carried out to counterdie, and reserved electric spark surplus, the reserved electric spark surplus of three parting line is less than the reserved electric spark surplus in tetrad segregation types face;
S4: use the second die joint of intermediate mass and the three parting line of counterdie and tetrad segregation types face discharge spark to process;
S5: overlapped with the three parting line of counterdie and tetrad segregation types face by the second die joint of intermediate mass, is combined into overall by intermediate mass and counterdie;
S6: the 5th die joint processing is carried out to lower entirety, and reserved electric spark surplus;
S7: process with the first die joint of patrix and the 5th die joint discharge spark of lower entirety.
In some embodiments, the electric spark surplus of three parting line is 0.05mm-0.1mm, and the electric spark surplus in tetrad segregation types face is 0.1mm-0.2mm, and the electric spark surplus of the 5th die joint is 0.1mm-0.2mm.
In some embodiments, the second die joint is corresponding with three parting line and tetrad segregation types face, and the first die joint is corresponding with the 5th die joint.
Three plates mold electrical discharge machining process of the present invention, the reserved electric spark surplus of three parting line is less than the reserved electric spark surplus in tetrad segregation types face, after ensureing spark machined, intermediate mass and counterdie fit tightly, effectively prevent from occurring when PU foams leaking material phenomenon, simultaneously, by the second die joint and three parting line and tetrad segregation types face, the first die joint and the 5th die joint discharge spark, carry out spark machined together, ensure the uniformity of corresponding position die joint shape, make to fit tightly between each mould.
Accompanying drawing explanation
Fig. 1 is the structural representation that the three plates mold electrical discharge machining process of one embodiment of the present invention puts the middle patrix back side;
Fig. 2 is the structural representation that the three plates mold electrical discharge machining process of one embodiment of the present invention puts the middle intermediate mass back side;
Fig. 3 is the structural representation that the three plates mold electrical discharge machining process of one embodiment of the present invention puts middle counterdie;
Fig. 4 is lower overall structural representation during the three plates mold electrical discharge machining process of one embodiment of the present invention is put.
Detailed description of the invention
Explanation that the present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Fig. 1 to Fig. 4 show schematically show the three plates mold electrical discharge machining process according to one embodiment of the present invention.
As shown in Figures 1 to 4, three plates mold of the present invention comprises patrix 10, intermediate mass 20 and counterdie 30, and carries out PU foaming in its cavity.Wherein the die joint of patrix 10, intermediate mass 20 and counterdie 30 is processed by spark erosion technique.
Three plates mold electrical discharge machining process of the present invention comprises the following steps:
S1: carry out the first die joint 101 to patrix 10 and process, it adopts CNC milling to add spark technology and is worked into position; As shown in Figure 1, the first die joint 101 is distributed in two positions, place, is respectively front first die joint 1011 and rear first die joint 1012;
S2: carry out the second die joint 201 to intermediate mass 20 and process, it adopts CNC milling to add spark technology and is worked into position; As shown in Figure 2, the second die joint 201 is distributed in three positions, place, be respectively hypotenuse second die joint 2011, rear second die joint 2012 and in the second die joint 2013;
S3: three parting line 301 is carried out to counterdie 30 and tetrad segregation types face 302 processes, and reserved electric spark surplus, the reserved electric spark surplus of described three parting line 301 is less than the reserved electric spark surplus in tetrad segregation types face 302; As shown in Figure 3, three parting line 301 and tetrad segregation types face 302 adopt CNC Milling Process, and reserved electric spark surplus, three parting line 301 comprise the oblique three parting line 3011 corresponding with hypotenuse second die joint 2011, with rear three parting line 3012, the tetrad segregation types face 302 corresponding to rear second die joint 2012 with in the second die joint 2013 corresponding; Wherein, the electric spark surplus of three parting line 301 is 0.05mm-0.1mm, and in this embodiment of the present invention, electric spark surplus is 0.05mm; The electric spark surplus in tetrad segregation types face 302 is 0.1mm-0.2mm, and in this embodiment of the present invention, electric spark surplus is 0.2mm;
S4: process with the second die joint 201 of intermediate mass 20 and the three parting line 301 of counterdie 30 and tetrad segregation types face 302 discharge spark;
S5: overlapped with the three parting line 301 of counterdie 30 and the corresponding position in tetrad segregation types face 302 by the second die joint 201 of intermediate mass 20, is combined into entirety 2030 by intermediate mass 20 and counterdie 30;
S6: carry out the 5th die joint 230 to lower overall 2030 and process, and reserved electric spark surplus, the electric spark surplus of the 5th die joint 230 is 0.1mm-0.2mm, and in this embodiment of the present invention, electric spark surplus is 0.15mm; As shown in Figure 4,5th die joint 230 is distributed in two positions, place, comprise front 5th die joint 2301 and rear 5th die joint 2302, front 5th die joint 2301 is corresponding with rear first die joint 1012, and rear 5th die joint 2302 is corresponding with front first die joint 1011;
S7: with the first die joint 101 of patrix 10 and the 5th die joint 230 discharge spark of lower overall 2030.
After electric spark processes completes, patrix 10 and lower overall 2030 are corresponded to main place and overlap, be combined into an overall three plates mold.
Three plates mold electrical discharge machining process of the present invention, the reserved electric spark surplus of three parting line is less than the reserved electric spark surplus in tetrad segregation types face, after ensureing spark machined, intermediate mass and counterdie fit tightly, effectively prevent from occurring when PU foams leaking material phenomenon, simultaneously, by the second die joint and three parting line and tetrad segregation types face, the first die joint and the 5th die joint discharge spark, carry out spark machined together, ensure the uniformity of corresponding position die joint shape, make to fit tightly between each mould.

Claims (3)

1. three plates mold electrical discharge machining process, is characterized in that, three plates mold comprises: patrix (10), intermediate mass (20) and counterdie (30), and electrical discharge machining process comprises the following steps:
S1: the first die joint (101) processing is carried out to patrix (10);
S2: the second die joint (201) processing is carried out to intermediate mass (20);
S3: three parting line (301) and tetrad segregation types face (302) processing are carried out to counterdie (30), and reserved electric spark surplus, the reserved electric spark surplus of described three parting line (301) is less than the reserved electric spark surplus in tetrad segregation types face (302);
S4: second die joint (201) of intermediate mass (20) and the three parting line (301) of counterdie (30) and tetrad segregation types face (302) discharge spark are processed;
S5: overlapped with the three parting line (301) of counterdie (30) and tetrad segregation types face (302) by second die joint (201) of intermediate mass (20), is combined into intermediate mass (20) and counterdie (30) overall (2030);
S6: the 5th die joint (230) processing is carried out to lower entirety (2030), and reserved electric spark surplus;
S7: five die joint (230) discharge spark of first die joint (101) of patrix (10) with lower entirety (2030) is processed.
2. three plates mold electrical discharge machining process according to claim 1, it is characterized in that, the electric spark surplus of described three parting line (301) is 0.05mm-0.1mm, the electric spark surplus of described tetrad segregation types face (302) is 0.1mm-0.2mm, and the electric spark surplus of described 5th die joint (230) is 0.1mm-0.2mm.
3. three plates mold electrical discharge machining process according to claim 2, it is characterized in that, described second die joint (201) is corresponding with described three parting line (301) and tetrad segregation types face (302), and described first die joint (101) is corresponding with described 5th die joint (230).
CN201310225454.4A 2013-06-07 2013-06-07 Three plates mold electrical discharge machining process CN103273151B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN103273151B true CN103273151B (en) 2015-11-18

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427876A1 (en) * 1989-06-07 1991-05-22 Cusp Dental Supply Co., Ltd Electric spark machining electrode and method of production thereof
GB2310387A (en) * 1996-02-21 1997-08-27 Asahi Optical Co Ltd Method for producing molding die for synthetic resin lens barrel having a helicoid and for producing the lens barrel
CN101433988A (en) * 2007-11-14 2009-05-20 汉达精密电子(昆山)有限公司 Method for processing mold of bottle-neck type product
CN101642837A (en) * 2009-08-25 2010-02-10 江西稀有稀土金属钨业集团有限公司 Machining method of hard alloy mould with irregular shape surface
CN101780572A (en) * 2009-12-07 2010-07-21 青岛海立达冲压件有限公司 Manufacture method of punch die for porous shells
CN101856784A (en) * 2010-06-01 2010-10-13 辽宁忠旺集团有限公司 Machining process of train body profile mold
CN102489802A (en) * 2011-12-20 2012-06-13 哈尔滨工业大学 Micro stamping die in-situ manufacturing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472759A (en) * 1977-11-24 1979-06-11 Hitachi Ltd Manufacture of dies
JPS632699B2 (en) * 1984-04-27 1988-01-20 Honda Motor Co Ltd

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427876A1 (en) * 1989-06-07 1991-05-22 Cusp Dental Supply Co., Ltd Electric spark machining electrode and method of production thereof
GB2310387A (en) * 1996-02-21 1997-08-27 Asahi Optical Co Ltd Method for producing molding die for synthetic resin lens barrel having a helicoid and for producing the lens barrel
CN101433988A (en) * 2007-11-14 2009-05-20 汉达精密电子(昆山)有限公司 Method for processing mold of bottle-neck type product
CN101642837A (en) * 2009-08-25 2010-02-10 江西稀有稀土金属钨业集团有限公司 Machining method of hard alloy mould with irregular shape surface
CN101780572A (en) * 2009-12-07 2010-07-21 青岛海立达冲压件有限公司 Manufacture method of punch die for porous shells
CN101856784A (en) * 2010-06-01 2010-10-13 辽宁忠旺集团有限公司 Machining process of train body profile mold
CN102489802A (en) * 2011-12-20 2012-06-13 哈尔滨工业大学 Micro stamping die in-situ manufacturing device

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Address after: 226500 Nantong City, Rugao Province, south of the city streets of the village of Xu Xu, the group of 1

Patentee after: NANTONG CHAODA MACHINERY AND TECHNOLOGY CO., LTD.

Address before: 226500 1 groups of Shen Xu village, Taoyuan Town, Nantong City, Jiangsu, Rugao

Patentee before: Nantong Chaoda Machine Science & Technology Co., Ltd.