CN116079359A - Die part and high-precision positioning processing method thereof - Google Patents

Die part and high-precision positioning processing method thereof Download PDF

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Publication number
CN116079359A
CN116079359A CN202211616309.4A CN202211616309A CN116079359A CN 116079359 A CN116079359 A CN 116079359A CN 202211616309 A CN202211616309 A CN 202211616309A CN 116079359 A CN116079359 A CN 116079359A
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CN
China
Prior art keywords
processing
die
die part
milling machine
processing method
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Application number
CN202211616309.4A
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Chinese (zh)
Inventor
陈知超
郭立郁
王海东
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Suzhou Limai Precision Manufacturing Co ltd
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Suzhou Limai Precision Manufacturing Co ltd
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Priority to CN202211616309.4A priority Critical patent/CN116079359A/en
Publication of CN116079359A publication Critical patent/CN116079359A/en
Pending legal-status Critical Current

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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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/34—Moulds having venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7312—Construction of heating or cooling fluid flow channels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention provides a die part and a high-precision positioning processing method thereof, and relates to the technical field of die processing. The die part and the high-precision positioning processing method thereof comprise a die main body, wherein a plurality of hot nozzle holes are formed in the peripheral edge of the upper surface of the die main body at equal intervals, fine positioning is formed in four corners of the upper surface of the die main body, a glue position is formed in the middle position of the upper surface of the die main body close to one side edge, and a clearance is fixedly formed in the center of the upper surface of the die main body. Through adopting milling machine cooperation EDM processing's form, leave the surplus through milling machine a plurality of times in the processing each time of mould part is whole, be favorable to leaving sufficient operating space for carrying out polishing and etching processing subsequently, get rid of the surplus after the processing is accomplished, when guaranteeing the holistic precision of this mould part finished product, reduce the processing degree of difficulty in the relevant operating personnel course of working, realize the high accuracy location processing of mould part.

Description

Die part and high-precision positioning processing method thereof
Technical Field
The invention relates to the technical field of mold processing, in particular to a mold part and a high-precision positioning processing method thereof.
Background
The injection molding is a method for producing and modeling industrial products, the products are usually rubber injection molding and plastic injection molding, plastic products with various shapes are manufactured by utilizing a plastic molding die to realize the processing process, and the existing injection molding process is usually realized by combining an injection molding machine and the die, so that the precision requirement on die parts is higher in the existing injection molding process.
The existing mould parts are mostly realized in a mode of combining an upper mould with a lower mould with a cavity, if the gas in the mould parts cannot be discharged in the using process, the gas trapping phenomenon can be generated to influence the injection molding result, meanwhile, the existing mould parts are mostly formed by punching and processing one time through a punching machine, the whole precision of the mould and the position of each opening part are difficult to be effectively ensured, and the operation requirement of the finish machining process on a user is higher, and the operation difficulty is higher.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a die part and a high-precision positioning processing method thereof, and solves the problems of higher requirements on processing precision, higher requirements on the operation level of operators, higher operation difficulty and weak practicality of the whole die part in the actual operation and use processes of the existing die part and processing method.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: a die part and a high-precision positioning processing method thereof comprise a die main body, wherein a plurality of hot nozzle holes are formed in the peripheral edge of the upper surface of the die main body at equal intervals, fine positioning is formed in four corners of the upper surface of the die main body, a glue position is formed in the middle position of the upper surface of the die main body close to one side edge, and a clearance gap is fixedly formed in the center of the upper surface of the die main body;
the die comprises a die body, wherein the outer surfaces of the two sides of the die body are fixedly provided with rough holes near the middle positions of the front end and the rear end, the front end and one side of the upper surface of the die body are provided with exhaust grooves, the periphery edge of the upper surface of the die body is provided with a plurality of through surfaces, the center of the upper surface of the die body is provided with a screw waterway, and the two sides of the upper surface of the die body are respectively provided with screw holes near the front end and the rear end.
The die part and the high-precision positioning processing method thereof specifically comprise the following steps:
s1, rough machining of milling machine
Selecting a raw material with a proper size, fixing the raw material to a milling machine processing position through a clamp, roughly forming the outline of a die part through the milling machine, processing a rough hole, a screw hole, processing a screw thread waterway in place, and roughly forming a back hot nozzle hole;
s2, appearance finish machining
Finish machining is carried out on four sides and the bottom surface of the appearance of the die part through a milling machine, and the four sides and the bottom surface of the appearance are machined in place according to requirements in drawings;
s3, surface finish machining
Processing the positions of the glue position, the exhaust groove, the hot nozzle hole, the avoidance gap and the collision surface on the upper surface of the die part by a milling machine, and processing the hot nozzle hole on the back surface;
s4.EDM machining
Processing the glue position in an EDM processing mode, wherein the glue position coplanar with the touch-through surface is required to be provided with VDI30 lines according to the drawing requirement, and electrode EDM processing is required to be performed according to a plurality of processes;
s5, appearance trimming
Finishing the overall shape of the die part through a milling machine, and chamfering four corners through the milling machine;
s6, surface polishing
Polishing the rubber surface of the die part, namely polishing the surface to be etched to 800 # abrasive paper according to the drawing requirement, and taking care of protecting the surface to be placed, wherein polishing is not required;
s7, removing the allowance
Removing the allowance of the top surface of the die part through a grinding machine, and processing the upper surface of the die part according to the drawing requirements;
s8, size detection
And after the processing is finished, the die part is taken down, the size detection is carried out, and after the detection is qualified, the etching is carried out.
Preferably, in the step S2, the top surface needs to be left for 0.05mm when the profile is finished.
Preferably, in the step S3, the number of the glue sites is 0.02mm, so that a space is reserved for subsequent etching.
Preferably, in the step S3, the number of the glue level surface to be processed is 0.015mm, so that a space is reserved for subsequent polishing processing.
Preferably, in the step S4, the EDM processing needs to leave a reserved number of 0.015mm for the subsequent polishing processing.
Preferably, in the step S7, the number of the glue level surface grinding machine is 0.05mm, the other working procedures are not left, and the detection size is noted after the completion.
(III) beneficial effects
The invention provides a die part and a high-precision positioning processing method thereof. The beneficial effects are as follows:
1. compared with the existing part mold processing method, the part mold processing method has the advantages that the milling machine is adopted to be matched with the EDM processing mode, allowance is reserved in each processing process of the whole mold part by the milling machine for a plurality of times, sufficient operation space is reserved for subsequent polishing and etching processing, allowance is removed after the processing is finished, the processing difficulty of relevant operators in the processing process is reduced while the whole precision of the finished product of the mold part is ensured, and the high-precision positioning processing of the mold part is realized.
2. Compared with the existing part mold processing method, the part mold processing method realizes the processing of the glue position by adopting the EDM electric spark processing mode, and the continuous moving thin metal wire is used for carrying out pulse spark discharge on the glue position to remove metal and cut and form, thereby being beneficial to ensuring the integral processing precision of the processing process, facilitating the accurate positioning of the glue position by a user and realizing the processing, and improving the integral processing effect of the processing method.
3. Compared with the existing part mold, the part mold is provided with the screw waterway and the exhaust groove on the surface, so that a user can more effectively finish blow molding of a product through the part mold when using the mold part, release of gas in the mold in the blow molding process is realized through the exhaust groove, air trapping in the mold is prevented, the blow molding effect of the product is influenced, and the integral practicability of the mold part is improved.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic side view of the present invention.
1, a die body; 2. a hot nozzle hole; 3. fine positioning; 4. a glue position; 5. avoidance of gaps; 6. rough holes; 7. an exhaust groove; 8. a touch-through surface; 9. a screw waterway; 10. screw holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-4, the embodiment of the invention provides a mold part and a high-precision positioning processing method thereof, which comprises a mold main body 1, wherein the mold main body 1 is favorable for realizing the basic use function of the mold part, a plurality of hot nozzle holes 2 are formed at the peripheral edge of the upper surface of the mold main body 1 at equal intervals, so that a user can conveniently carry out injection molding on the mold connected with the hot nozzle, fine positioning 3 are formed at four corners of the upper surface of the mold main body 1, the user can conveniently carry out mold closing on upper and lower films, a glue position 4 is formed at the middle position of the edge of one side of the upper surface of the mold main body 1, and a clearance space 5 is fixedly arranged at the center of the upper surface of the mold main body 1, so that the basic use effect of the mold is further improved;
the external surface of mould main part 1 both sides is close to both ends intermediate position all fixed be provided with coarse pore 6 around, be favorable to the user to connect this mould part and other devices, exhaust groove 7 has all been seted up to mould main part 1 upper surface front end and one side, be favorable to promoting the exhaust effect of mould, prevent to become trapped gas, a plurality of face 8 of wearing of bumping have been seted up to edge all around to mould main part 1 upper surface, screw water route 9 has been seted up to mould main part 1 upper surface center department, screw hole 10 has been seted up respectively near the front and back end to mould main part 1 upper surface both sides, be favorable to further promoting the connection effect of this mould.
The die part and the high-precision positioning processing method thereof specifically comprise the following steps:
s1, rough machining of milling machine
The raw materials with proper sizes are selected, the raw materials are fixed to the machining position of a milling machine through a clamp, the outline of the die part is roughly machined through the milling machine, a rough hole 6 is machined, a screw hole 10 and a screw waterway 9 are machined in place, the back hot nozzle hole 2 is roughly machined, the initial positioning of the integral appearance of the die part by an operator is facilitated, and the machining precision is convenient for the operator to determine;
s2, appearance finish machining
Finish machining is carried out on four sides and the bottom surface of the appearance of the die part through a milling machine, the four sides and the bottom surface of the appearance are machined in place according to requirements in drawings, preliminary determination of the appearance of the die part is facilitated, and follow-up finish machining of each structure on the surface of the die part is facilitated;
s3, surface finish machining
The positions of the glue position 4, the exhaust groove 7, the hot nozzle hole 2, the avoidance space 5 and the collision surface 8 on the upper surface of the die part are processed by a milling machine, and the hot nozzle hole 2 is processed on the back surface, so that the preliminary processing and positioning of each structure on the surface of the die part are facilitated;
s4.EDM machining
The glue position 4 is processed in an EDM processing mode, VDI30 lines are required to be placed on the glue position 4 coplanar with the touch-through surface 8 according to drawing requirements, electrode EDM processing is performed according to numbers, accurate processing and positioning of the glue position 4 are facilitated, and processing effects are improved;
s5, appearance trimming
The appearance of the whole die part is trimmed through a milling machine, and chamfering is carried out on four corners through the milling machine, so that the appearance fineness of the finished product is improved;
s6, surface polishing
Polishing the surface of the glue position 4 of the mold part, polishing the surface to be etched to 800 # abrasive paper according to the drawing requirement, taking care of protecting the surface to be placed, and not polishing, thereby being beneficial to improving the appearance effect of the finished product;
s7, removing the allowance
The allowance of the top surface of the die part is removed through a grinding machine, and the upper surface of the die part is machined according to the drawing requirements, so that the precision of a die finished product is ensured;
s8, size detection
After the processing is finished, the die part is taken down, size detection is carried out, and after the detection is qualified, etching is carried out, so that the quality of finished products after the processing is finished is ensured.
In S2, when appearance carries out finish machining, the top surface needs to stay 0.05mm, in S3, the required allowance of glue position 4 face processing is 0.015mm for follow-up polishing processing to leave the space, in S4, EDM processing needs the allowance of 0.015mm to leave the space for follow-up polishing processing, in S7, glue position 4 face top surface grinding machine has the allowance of 0.05mm, other processes do not have the allowance, pay attention to detecting the size after finishing, be favorable to keeping sufficient operating space for follow-up polishing and etching processing, get rid of the surplus after the processing is accomplished, reduce the processing degree of difficulty in the relevant operating personnel course of working when guaranteeing the holistic precision of this mould part finished product, realize the high accuracy location processing of mould part.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Mould part comprising a mould body (1), characterized in that: the hot nozzle structure comprises a die body (1), wherein a plurality of hot nozzle holes (2) are formed in the peripheral edge of the upper surface of the die body (1) at equal intervals, fine positioning (3) are formed in four corners of the upper surface of the die body (1), a glue position (4) is formed in the middle of the edge of one side of the upper surface of the die body (1), and a clearance gap (5) is fixedly formed in the center of the upper surface of the die body (1);
the novel plastic die is characterized in that rough holes (6) are fixedly formed in the middle positions of the front end and the rear end of the outer surfaces of the two sides of the die body (1), exhaust grooves (7) are formed in the front end and one side of the upper surface of the die body (1), a plurality of collision surfaces (8) are formed in the peripheral edge of the upper surface of the die body (1), screw waterways (9) are formed in the center of the upper surface of the die body (1), and screw holes (10) are formed in the front end and the rear end of the two sides of the upper surface of the die body (1) respectively.
2. The die part and the high-precision positioning processing method thereof are characterized by comprising the following steps:
s1, rough machining of milling machine
Selecting a raw material with a proper size, fixing the raw material to a milling machine processing position through a clamp, forming a rough hole (6) on the appearance of a die part through the milling machine, processing a screw hole (10), and forming a back hot nozzle hole (2) in a rough way by processing a screw waterway (9) in place;
s2, appearance finish machining
Finish machining is carried out on four sides and the bottom surface of the appearance of the die part through a milling machine, and the four sides and the bottom surface of the appearance are machined in place according to requirements in drawings;
s3, surface finish machining
The glue position (4), the exhaust groove (7), the hot nozzle hole (2), the avoidance gap (5) and the collision surface (8) on the upper surface of the die part are processed by a milling machine, and the hot nozzle hole (2) is processed on the back surface;
s4.EDM machining
Processing the glue position (4) in an EDM processing mode, wherein the glue position (4) coplanar with the touch-through surface (8) is required to be provided with VDI30 lines according to the drawing requirement, and electrode EDM processing is required to be performed according to the number;
s5, appearance trimming
Finishing the overall shape of the die part through a milling machine, and chamfering four corners through the milling machine;
s6, surface polishing
Polishing the surface of the glue position (4) of the die part, polishing the surface to be etched to 800 # abrasive paper according to the drawing requirement, taking care of protecting the surface to be placed, and not polishing;
s7, removing the allowance
Removing the allowance of the top surface of the die part through a grinding machine, and processing the upper surface of the die part according to the drawing requirements;
s8, size detection
And after the processing is finished, the die part is taken down, the size detection is carried out, and after the detection is qualified, the etching is carried out.
3. The die part and the high-precision positioning processing method thereof according to claim 2, wherein: in the step S2, when the appearance is finished, the top surface needs to be reserved for 0.05mm.
4. The die part and the high-precision positioning processing method thereof according to claim 2, wherein: in the step S3, the processing of the surface of the glue position (4) needs to be reserved for 0.02mm, so that a space is reserved for subsequent etching processing.
5. The die part and the high-precision positioning processing method thereof according to claim 2, wherein: in the step S3, the processing of the surface of the glue position (4) needs to be reserved for 0.015mm, so that a space is reserved for the subsequent polishing processing.
6. The die part and the high-precision positioning processing method thereof according to claim 2, wherein: in the step S4, the EDM processing needs to reserve 0.015mm for reserving space for subsequent polishing processing.
7. The die part and the high-precision positioning processing method thereof according to claim 2, wherein: in the step S7, the number of the glue position (4) surface top surface grinding machine is 0.05mm, the other working procedures are not left, and the detection size is noted after the completion.
CN202211616309.4A 2022-12-15 2022-12-15 Die part and high-precision positioning processing method thereof Pending CN116079359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211616309.4A CN116079359A (en) 2022-12-15 2022-12-15 Die part and high-precision positioning processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211616309.4A CN116079359A (en) 2022-12-15 2022-12-15 Die part and high-precision positioning processing method thereof

Publications (1)

Publication Number Publication Date
CN116079359A true CN116079359A (en) 2023-05-09

Family

ID=86209391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211616309.4A Pending CN116079359A (en) 2022-12-15 2022-12-15 Die part and high-precision positioning processing method thereof

Country Status (1)

Country Link
CN (1) CN116079359A (en)

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