CN105269762B - A kind of double-color mold and its preparation process - Google Patents

A kind of double-color mold and its preparation process Download PDF

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Publication number
CN105269762B
CN105269762B CN201510689796.0A CN201510689796A CN105269762B CN 105269762 B CN105269762 B CN 105269762B CN 201510689796 A CN201510689796 A CN 201510689796A CN 105269762 B CN105269762 B CN 105269762B
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China
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mold
thimble
mode
line
double
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CN201510689796.0A
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CN105269762A (en
Inventor
古长清
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SICHUAN LANGRUN TECHNOLOGY Co Ltd
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SICHUAN LANGRUN TECHNOLOGY Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/24Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies

Abstract

The present invention discloses a kind of double-color mold, including bottom plate, it is equipped with two groups of thimble fixation kits being made of thimble panel and Ejector Retainer Plate in the middle part of the plate upper surface successively from top to bottom, guide pillar hole is had on described two groups of thimble fixation kits upper surface, four angles, guide post is equipped in the guide pillar hole, the guide post is equipped with spring, two groups of thimble fixation kits upper surface middle part is also several respectively to be provided through two groups of thimble fixation kits and fixed oblique top and flat thimble, plate upper surface is equipped with fixed column close to the position of two groups of thimble fixation kits, set has back stitching in the fixed column.The present invention can machine double-color mold well, and ensure the machining accuracy of mold.

Description

A kind of double-color mold and its preparation process
Technical field
The invention belongs to mold manufacture fields, and in particular to a kind of double-color mold and its preparation process.
Background technology
Double-color mold is to be molded two kinds of plastic materials on same injection molding machine, is molded at twice, but product only goes out The mold of mould once.Double-color mold is increasingly prevailing currently on the market, and the appearance that product can be made in this technique is more beautiful, easily It can not have to spraying in changing color, but involve great expense, technology requirement is high.At present, double-color mold uses during preparation Or traditional technique, processing program is excessively complicated, and cannot be guaranteed the precision of processing.
The content of the invention
The technical problems to be solved by the invention be in view of the above shortcomings of the prior art, provide a kind of double-color mold and Double-color mold can well be machined, and ensures the machining accuracy of mold by its preparation process.
The technical solution adopted in the present invention is:A kind of double-color mold, including bottom plate, from upper in the middle part of the plate upper surface Two groups of thimble fixation kits being made of thimble panel and Ejector Retainer Plate are equipped with successively under, on two groups of thimble fixation kits Guide pillar hole is had on the angle of four, surface, guide post is equipped in the guide pillar hole, the guide post is equipped with spring, two groups of tops Pin fixation kit upper surface middle part further respectively have it is several pass through two groups of thimble fixation kits and fixed oblique top and flat thimble, bottom Plate upper surface is equipped with fixed column close to the position of two groups of thimble fixation kits, and set has back stitching, the back stitching in the fixed column One end end face away from fixed column is equipped with guide sleeve, and the plate upper surface is equipped with two blocks of square iron, institute close to the positional symmetry of back stitching Guide sleeve top end surface is stated equipped with B plates, the B plates middle part is provided with mode mounting hole, rear mold mode is equipped in the mode mounting hole, Line position mounting groove is symmetrically provided at two long side edge of rear mold mode, Slide mechanism, the B are equipped in the line position mounting groove It is symmetrically provided with line position mounting groove at two short side edge of plate, is equipped with Slide mechanism in the line position mounting groove, on the rear mold mode Surface is equipped with preceding mould mode, A plates and panel successively from top to bottom, is equipped at the top of the panel through panel, A plates and preceding mould mode And the sprue bushing being connected with preceding mould mode.
Preferably, the square iron is arranged at plate upper surface close to the position of two long side edges.
Preferably, the line position mounting groove being provided at two long side edge of rear mold mode is two.
Preferably, the line position mounting groove being provided at two short side edge of B plates is one.
Preferably, it is bolted between the panel, A plates and preceding mould mode.
In order to solve the above technical problems, the present invention also provides a kind of preparation processes of double-color mold, which is characterized in that bag Include following steps:
A, mold preliminary working:Roughing is carried out to each component of mold with moulding operation, ensures its shape and surface matter Amount;
B, thimble hole machined:Process centre hole with die ejection system, and with thimble in centre hole, ensure centre hole and The assembly precision of thimble;
C, water route processes:With mold cooling system processing mold water route, and ensure the precision in water route;
D, runner processing:With mold casting system processing mold runner, and ensure runner and sprue bushing with sprue bushing in runner Assembly precision;
E, line position oblique top is processed:It processes and assembles Slide mechanism, process and assemble oblique top;
F, it is heat-treated:Each component of mold is heat-treated, ensures each parts surface hardness of mold;
G, line is cut:Each component of mold is cut with linear instrument, ensures cutting accuracy;
H, mold finishes:Each component of mold is finished with moulding operation, ensures the size essence of each component Degree;
I, electrical discharge machining:The type hole and cavity in each portion of mold are processed, in process, ensure type hole and cavity Machining accuracy;
J, polishing:Shaping polishing is carried out to the surface of each component of mold with mold polishing polishing machine, ensures its rough surface Degree;
K, assemble:Each component of assembly mold successively ensures the precision of assembling.
Preferably, in step B, step C, step D, step E, step H and step I, in process, size is carried out Sampling observation.
Preferably, the mould bases material of mold be 45 steel, core material be S136H steel, thimble material be SKD steel, line position Oblique top material is S136 steel.
Preferably, in step F, the temperature of heat treatment is 1000 degree -1040 degree, when the time of heat treatment is 6 small.
The beneficial effects of the present invention are:
1st, the Product Precision that the double-color mold prepared by this technique processes is high, can meet the production of various automobile components Demand;
2nd, this preparation process process is simple, can machine double-color mold well, and ensures the processing essence of mold Degree.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is explosive view of the present invention.
In figure:1st, sprue bushing;2nd, panel;3rd, A plates;4th, preceding mould mode;5th, line position mounting groove;6th, rear mold mode;7th, line position machine Structure;8th, B plates;9th, guide sleeve;10th, guide post;11st, oblique top;12nd, flat thimble;13rd, thimble panel;14th, Ejector Retainer Plate;15th, bottom plate;16、 Back stitching;17th, square iron;18th, spring.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
As depicted in figs. 1 and 2, a kind of double-color mold, including bottom plate 15,15 upper surface middle part of bottom plate from top to bottom according to It is secondary to be equipped with two groups of thimble fixation kits being made of thimble panel 13 and Ejector Retainer Plate 14, two groups of thimbles fixation kit upper table It having guide pillar hole on the angle of four, face, is equipped with guide post 10 in the guide pillar hole, the guide post 10 is equipped with spring 18, and described two Group thimble fixation kit upper surface middle part, which further respectively has, several passes through two groups of thimble fixation kits and fixed oblique top 11 and flat Thimble 12,15 upper surface of bottom plate are equipped with fixed column close to the position of two groups of thimble fixation kits, cover and have back in the fixed column Pin 16, one end end face of the back stitching 16 away from fixed column are equipped with guide sleeve 9, and 15 upper surface of bottom plate is close to the position of back stitching 16 Two blocks of square iron 17 are arranged with, 9 top end surface of guide sleeve is equipped with B plates 8, and 8 middle part of B plates is provided with mode mounting hole, described Rear mold mode 6 is equipped in mode mounting hole, line position mounting groove 5, the row are symmetrically provided at described 6 liang of long side edges of rear mold mode Slide mechanism 7 is equipped in the mounting groove 5 of position, line position mounting groove 5, the line position installation are symmetrically provided at described 8 liang of short side edges of B plates Slide mechanism 7 is equipped in slot 5,6 upper surface of rear mold mode is equipped with preceding mould mode 4, A plates 3 and panel 2 successively from top to bottom, 2 top of panel is equipped with the sprue bushing 1 for running through panel 2, A plates 3 and preceding mould mode 4 and being connected with preceding mould mode 4.
In the present embodiment, the square iron 17 is arranged at 15 upper surface of bottom plate close to the position of two long side edges.
In the present embodiment, the line position mounting groove 5 being provided at described 6 liang of long side edges of rear mold mode is two.
In the present embodiment, the line position mounting groove 5 being provided at described 8 liang of short side edges of B plates is one.
In the present embodiment, it is bolted between the panel 2, A plates 3 and preceding mould mode 4.
In order to solve the above technical problems, the present invention also provides a kind of preparation processes of double-color mold, which is characterized in that bag Include following steps:
Step 1: mold preliminary working:Roughing is carried out to each component of mold with moulding operation, ensures its shape and table Face quality;
Step 2: thimble hole machined:Centre hole is processed with die ejection system, and ensures top with thimble in centre hole The assembly precision of pin hole and thimble;
Step 3: water route processes:With mold cooling system processing mold water route, and ensure the precision in water route;
Step 4: runner processing:With mold casting system processing mold runner, and ensure runner with sprue bushing in runner With the assembly precision of sprue bushing;
Step 5: line position oblique top is processed:It processes and assembles Slide mechanism, process and assemble oblique top;
Step 6: heat treatment:Each component of mold is heat-treated, ensures each parts surface hardness of mold;
Step 7: line is cut:Each component of mold is cut with linear instrument, ensures cutting accuracy;
Step 8: mold finishes:Each component of mold is finished with moulding operation, ensures the ruler of each component Very little precision;
Step 9: electrical discharge machining:The type hole and cavity in each portion of mold are processed, in process, ensure type hole With the machining accuracy of cavity;
Step 10: polishing:Shaping polishing is carried out to the surface of each component of mold with mold polishing polishing machine, ensures its surface Roughness;
Step 11: assembling:Each component of assembly mold successively ensures the precision of assembling.
In the present embodiment, Step 2: Step 3: Step 4: Step 5: in step 8 and step 9, it is right in process Size is inspected by random samples.
In the present embodiment, the mould bases material of mold is 45 steel, and core material is S136H steel, and thimble material is SKD steel, is gone Position oblique top material is S136 steel.
In the present embodiment, in step 6, the temperature of heat treatment is 1000 degree -1040 degree, when the time of heat treatment is 6 small.
The Product Precision that the double-color mold that the present invention is prepared by this technique processes is high, can meet various automobile components Production requirement;This preparation process process is simple, can machine double-color mold well, and ensures the processing essence of mold Degree.
Double-color mold prepared by this technique is directed to the effect that automotive air-conditioning controller button needs night and uses light transmission, But simultaneously again cannot whole light transmissions, we make button lid using whitish translucent material, then are closed using black light screening material Into button pedestal is made, astigmatism not only it had been avoided that but also light transmission can be controlled simultaneously.

Claims (9)

1. a kind of double-color mold, it is characterised in that:Including bottom plate (15), bottom plate (15) upper surface middle part is from top to bottom successively The thimble fixation kit being made of equipped with two groups thimble panel (13) and Ejector Retainer Plate (14), on two groups of thimble fixation kits Guide pillar hole is had on the angle of four, surface, guide post (10) is equipped in the guide pillar hole, the guide post (10) is equipped with spring (18), two groups of thimbles fixation kit upper surface middle part further respectively has several two groups of thimble fixation kits and fixed of passing through Oblique top (11) and flat thimble (12), bottom plate (15) upper surface is equipped with fixed column close to the position of two groups of thimble fixation kits, described Set has back stitching (16) in fixed column, and one end end face of the back stitching (16) away from fixed column is equipped with guide sleeve (9), the bottom plate (15) upper surface is equipped with two pieces of square iron (17) close to the positional symmetry of back stitching (16), and guide sleeve (9) top end surface is equipped with B plates (8), mode mounting hole is provided in the middle part of the B plates (8), rear mold mode (6), the rear mold mode are equipped in the mode mounting hole Line position mounting groove (5) is symmetrically provided at (6) two long side edges, Slide mechanism (7), the B are equipped in the line position mounting groove (5) Line position mounting groove (5) is symmetrically provided at (8) two short side edge of plate, Slide mechanism (7), institute are equipped in the line position mounting groove (5) It states rear mold mode (6) upper surface and is equipped with preceding mould mode (4), A plates (3) and panel (2), panel (2) top successively from top to bottom Portion is equipped with the sprue bushing (1) for running through panel (2), A plates (3) and preceding mould mode (4) and being connected with preceding mould mode (4).
2. a kind of double-color mold according to claim 1, it is characterised in that:The square iron (17) is arranged on bottom plate (15) Surface is close to the position of two long side edges.
3. a kind of double-color mold according to claim 1 or 2, it is characterised in that:(6) two long side edge of rear mold mode The line position mounting groove (5) that place is provided with is two.
4. a kind of double-color mold according to claim 3, it is characterised in that:It is provided at (8) two short side edge of B plates Line position mounting groove (5) is one.
5. a kind of double-color mold according to claim 1 or 2, it is characterised in that:The panel (2), A plates (3) and preceding mould Mode is bolted between (4).
6. a kind of preparation process of double-color mold as described in claim 1, which is characterized in that comprise the following steps:
A, mold preliminary working:Roughing is carried out to each component of mold with moulding operation, ensures its shape and surface quality;
B, thimble hole machined:Centre hole is processed with die ejection system, and ensures centre hole and thimble with thimble in centre hole Assembly precision;
C, water route processes:With mold cooling system processing mold water route, and ensure the precision in water route;
D, runner processing:With mold casting system processing mold runner, and with sprue bushing in runner, ensure the dress of runner and sprue bushing With precision;
E, line position oblique top is processed:It processes and assembles Slide mechanism, process and assemble oblique top;
F, it is heat-treated:Each component of mold is heat-treated, ensures each parts surface hardness of mold;
G, line is cut:Each component of mold is cut with linear instrument, ensures cutting accuracy;
H, mold finishes:Each component of mold is finished with moulding operation, ensures the dimensional accuracy of each component;
I, electrical discharge machining:The type hole and cavity in each portion of mold are processed, in process, ensure type hole and cavity plus Work precision;
J, polishing:Shaping polishing is carried out to the surface of each component of mold with mold polishing polishing machine, ensures its surface roughness;
K, assemble:Each component of assembly mold successively ensures the precision of assembling.
7. preparation process according to claim 6, it is characterised in that:Step B, step C, step D, step E, step H and In step I, in process, size is inspected by random samples.
8. preparation process according to claim 6, it is characterised in that:The mould bases material of mold is 45 steel, and core material is S136H steel, thimble material are SKD steel, and line position oblique top material is S136 steel.
9. preparation process according to claim 6, it is characterised in that:In step F, the temperature of heat treatment for 1000 degree- 1040 degree, when the time of heat treatment is 6 small.
CN201510689796.0A 2015-10-21 2015-10-21 A kind of double-color mold and its preparation process Active CN105269762B (en)

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CN105269762B true CN105269762B (en) 2018-05-18

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106425346B (en) * 2016-10-21 2018-08-21 重庆一夫日用品有限责任公司 A kind of processing technology of toothbrush die
CN106271486A (en) * 2016-10-27 2017-01-04 南方科技大学 Mould manufacturing method
CN110666469B (en) * 2019-10-14 2021-05-14 苏州尖腾精密技术有限公司 Production process of high-precision die

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2678672B2 (en) * 1990-01-22 1997-11-17 松下電工株式会社 Injection mold manufacturing method
CN201357529Y (en) * 2009-03-09 2009-12-09 长沙申大科技有限公司 Anti-collision mold
CN201863329U (en) * 2010-11-26 2011-06-15 中山市华志模具塑胶制品有限公司 Plastic mould with secondary ejection structure
CN202180575U (en) * 2011-07-15 2012-04-04 凡嘉科技(无锡)有限公司 Die structure capable of preventing interference of slide and product thimble
CN102451980A (en) * 2010-10-25 2012-05-16 王丙祥 Mold processing technique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2678672B2 (en) * 1990-01-22 1997-11-17 松下電工株式会社 Injection mold manufacturing method
CN201357529Y (en) * 2009-03-09 2009-12-09 长沙申大科技有限公司 Anti-collision mold
CN102451980A (en) * 2010-10-25 2012-05-16 王丙祥 Mold processing technique
CN201863329U (en) * 2010-11-26 2011-06-15 中山市华志模具塑胶制品有限公司 Plastic mould with secondary ejection structure
CN202180575U (en) * 2011-07-15 2012-04-04 凡嘉科技(无锡)有限公司 Die structure capable of preventing interference of slide and product thimble

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