CN105798562A - Offset-free mold machining process - Google Patents
Offset-free mold machining process Download PDFInfo
- Publication number
- CN105798562A CN105798562A CN201610318585.0A CN201610318585A CN105798562A CN 105798562 A CN105798562 A CN 105798562A CN 201610318585 A CN201610318585 A CN 201610318585A CN 105798562 A CN105798562 A CN 105798562A
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- male
- female die
- hole
- die
- tapering
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- 238000003754 machining Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000003466 anti-cipated effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
Classifications
-
- 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
- B23P15/007—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass injection moulding tools
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an offset-free mold machining process. The offset-free mold machining process includes the following steps that independent material preparation is performed for a core and a cavity; a positioning hole and a locking hole are machined; the core and the cavity are assembled; after the core and the cavity are machined and assembled, precise positioning holes and taper insert core holes are machined in the peripheries of the core and the cavity; the core and the cavity are disassembled to be independently machined; the core and the cavity are assembled in place again; and taper insert cores are machined. The offset-free mold machining process guarantees the mold assembly precision of core and cavity product cavities, machining and assembling errors of a conventional manner are reduced, and the appearance requirement for high-precision product zero offset and position degree zero error is met.
Description
Technical field
The invention belongs to technology of die manufacturing field, particularly relate to the cylindrical of a kind of high accuracy shape requirement and produce without offset mould processing technology.
Background technology
Die is the precision component for mold center's position key running, and it is divided into male die core and mother module core.During mold injection, male die core and mother module core closely cooperate generation confined space, are communicated with injection machine by cast gate, runner.Entering confined space by runner, cast gate after injection molding material heating, after injection molding material cools down, male die core and mother module core separately, take out injecting products part.
The degree of cooperation of male die core and mother module core is directly connected to product quality, adopts the mode of tradition processing mold all to there is mismachining tolerance, and after causing mould matched moulds, product design all can exist certain offset.Especially circular product is because of its architectural feature, and on-the-spot processing cannot be self-detected, and coordinates difficulty big, and product offset is serious, it is impossible to meet the mould requirement of high-precision product.
Summary of the invention
The technical problem to be solved is: provide a kind of mould processing technology without offset ensureing male and female die cooperation position precision, male and female die product position processing zero mismatch, position degree zero mismatch.
For solving above-mentioned technical problem, the technical scheme is that a kind of without offset mould processing technology, comprise the following steps:
(1) male and female die is individually got the raw materials ready: provide male die core blank and mother module core blank, and at the reserved clout of four sidewalls of described male die core blank, the reserved clout of four sidewalls at described mother module core blank；
(2) locating and machining hole and locking hole: locating and machining hole and locking hole on described male die core blank, processes the location hole corresponding with described male die core position and locking hole respectively simultaneously on described mother module core blank；
(3) male and female die group is stood: described male die core blank and described mother module core blank consistency from top to bottom are stacked, and is inserted into keeper in hole, location and realizes male and female die location, is then inserted into locking member at locking hole and male and female die group is found into an entirety；
(4) surrounding of male and female die after processing group is vertical: in step (2) during independent locating and machining hole, make there is certain mismachining tolerance between the hole, location of male and female die, thus utilizing hole, location both surroundings can be made to there is to a certain degree offset after vertical for male and female die cooperation group in step (3), it is thus desirable to the surrounding of the vertical rear male and female die of processing group, make male and female die surrounding connect to put in place along consistent and processing, form male and female die respectively；
(5) processing fine positioning hole and tapering enter sub-aperture: process fine positioning hole on the male and female die that group is vertical simultaneously and tapering enters sub-aperture, and described tapering to enter the straight portion of sub-aperture be cylindrical product endface position；
(6) take male and female die apart individually to process: the cylindrical product position allowance on male die core is not processed, all the other shapes and design structure processing put in place, add and all carry out peek processing with the fine positioning hole on male die core man-hour, cylindrical product position allowance on mother module core is not processed, all the other shapes and design structure processing put in place, add and all carry out peek processing with the fine positioning hole on mother module core man-hour；
(7) male and female die organizes vertical putting in place again: the die cavity of processing cylindrical product position on the male and female die after group is vertical；
(8) processing tapering enters son: left at the two ends entering sub-blank it is anticipated that be processed as the tapering entering sub-aperture adaptive with the tapering in step (5) enter son by entering sub-blank.
As improving further, in step (2), hole, described location is dowel hole, and described locking hole is screwed hole, and keeper described in step (3) is alignment pin, and described locking member is clamping screw.
As improving further, in step (4), grinding machine is adopted to process the surrounding of male and female die described group vertical.
As improving further, in step (5), adopt the mode of line cutting to process described fine positioning hole and described tapering enters sub-aperture.
As improving further, described tapering enters after in the male and female die that son insertion group respectively is vertical, will be left in the tapering outside male and female die and enters sub-surplus and cut away respectively so that be concordant with the outer face of male and female die.
After have employed technique scheme, the invention has the beneficial effects as follows:
nullDue to this nothing offset mould processing technology，First the male and female die individually got the raw materials ready will distinguish locating and machining hole and locking hole，Then keeper and locking member is utilized to be integrated vertical for male and female die blank group，Thus the mismachining tolerance individually processing the existence of above two hole can be embodied，Then again the mismachining tolerance between male and female die and blank are all machined away，Thus obtaining the male and female die that position fitness is high，Fine positioning hole and the tapering of reprocessing out higher precision on the male and female die basis that group is vertical at this enter sub-aperture，Fine positioning basis is provided for follow-up processing，Then after taking male and female die apart，Peek with above-mentioned fine positioning hole for benchmark respectively，Because peek benchmark is consistent，Thus ensure that the relative positional accuracy of the male and female die of separate machined，Again male and female die group is stood，Then process the product die cavity on male and female die simultaneously，Ensure that product design zero mismatch、The requirement of position zero offset，Above-mentioned processing technique substantially reduces the mismachining tolerance of male and female die，It is simultaneously achieved the high accuracy in male and female die product type chamber.
Accompanying drawing explanation
Fig. 1 is the structural representation of the male and female die blank of the embodiment of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the schematic diagram of the vertical converted products die cavity of male and female die group of the embodiment of the present invention；
Fig. 4 is the structural representation of the male die core of the embodiment of the present invention；
Fig. 5 is the structural representation of B-B in Fig. 4；
The tapering that Fig. 6 is the embodiment of the present invention enters son and cylindrical product relation schematic diagram；
Fig. 7 is the male and female die assembling structural blast figure of the embodiment of the present invention；
In figure: 1, male die core, 10, tapering enter sub-a, 11, tapering enter sub-b, 12, semicircle die cavity, 2, mother module core, 20, tapering enter sub-a, 21, tapering enters sub-b, and 3, dowel hole, 4, locking screw pit, 5, alignment pin, 6, clamping screw, 7, fine positioning hole, 8, tapering enters sub-aperture, and 9, cylindrical product, 13, die blank, 130, clout, 14, cylinder electrode.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
A kind of without offset mould processing technology, comprise the following steps:
(1) male and female die is individually got the raw materials ready: as shown in Figures 1 and 2, male die core blank and mother module core blank are provided, i.e. die blank 13 as shown in Figure 1, and at the reserved clout of four sidewalls of male die core blank, i.e. clout 130 in Fig. 1, the reserved clout of four sidewalls at mother module core blank, provides for subsequent machining technology and ensures；
(2) locating and machining hole and locking hole: as shown in Figure 6, locating and machining hole and locking hole on male die core blank, on mother module core blank, process the location hole corresponding with male die core position and locking hole respectively simultaneously；
(3) male and female die group is stood: male die core blank and mother module core blank consistency from top to bottom are stacked, and is inserted into keeper in hole, location and realizes male and female die location, is then inserted into locking member at locking hole and male and female die group is found into an entirety；
In step (2), hole, location is dowel hole 3, and locking hole is locking screw pit 4, and in step (3), keeper is alignment pin 5, and locking member is clamping screw 6, it is ensured that processing is simple, it is easy to accomplish.
(4) surrounding of male and female die after processing group is vertical: in step (2) during independent locating and machining hole, make there is certain mismachining tolerance between the hole, location of male and female die, thus utilizing hole, location both surroundings can be made to there is to a certain degree offset after vertical for male and female die cooperation group in step (3), it is thus desirable to the surrounding of the vertical rear male and female die of processing group, make male and female die surrounding connect to put in place along consistent and processing, form male and female die respectively, it is preferred to use the surrounding of the male and female die that grinding machine processing group is vertical；
(5) processing fine positioning hole and tapering enter sub-aperture: process fine positioning hole 7 (as shown in Figure 6) on the male and female die that group is vertical simultaneously and tapering enters sub-aperture 8 (as shown in Figures 4 and 5), and tapering to enter the straight portion of sub-aperture 8 be cylindrical product 9 endface position, fine positioning provides positioning and guiding for male and female die, required precision is higher, the vertical processing of group can ensure fine positioning position degree zero error, tapering enters sub-aperture straight portion simultaneously is cylindrical product 9 endface position, the vertical processing of male and female die group can ensure cylindrical product 9 endface position degree zero error, the mode preferably employing line cutting processes fine positioning hole 7 and tapering enters sub-aperture 8；
(6) take male and female die apart individually to process: 9 allowances of the cylindrical product on male die core 1 are not processed, all the other shapes and design structure processing put in place, add and all carry out peek processing with the fine positioning hole 7 on male die core 1 man-hour, 9 allowances of cylindrical product on mother module core 2 are not processed, all the other shapes and design structure processing put in place, add and all carry out peek processing with the fine positioning hole 7 on mother module core 2 man-hour, peek processing is carried out with fine positioning hole, processing peek benchmark is consistent, it is ensured that the precision of each relative position of male and female die after matched moulds；
(7) male and female die organizes vertical putting in place again: as shown in Figure 3, the cavity that male die core 1 after group is vertical and mother module core 2 cooperatively form is inserted into cylinder electrode 14, cylinder electrode 14 only contacts with the product position on male and female die, all the other positions all do not contact, thus processing the die cavity of cylindrical product 9, namely male die core 1 has semicircle die cavity 12 structure of half, mother module core 2 has second half semi-circular cavity configuration, carry out the processing of product die cavity on male and female die simultaneously, hereby it is ensured that cylindrical product 9 die cavity zero mismatch after male and female die matched moulds, position degree zero error.
(8) processing tapering enters son: left at the two ends entering sub-blank it is anticipated that be processed as the tapering entering sub-aperture adaptive with the tapering in step (5) enter son by entering sub-blank.Because the sub-aperture that enters in step (5) adds man-hour with the son that enters in step (8), it is individually separated individually processing and there is error, enter son and enter sub-aperture and can there is certain fit-up gap after making assembling, so adopting tapering to enter the design of son, conical surface force resolution is utilized during assembling, ensure that tapering enters sub straight flange and cylindrical product 9 end face is close to the straight flange into sub-aperture, reach the purpose of product zero mismatch.
The tapering of step (8) is entered after in the male and female die that son insertion group respectively is vertical, will be left in the tapering outside male and female die and enter sub-surplus and cut away respectively so that be concordant with the outer face of male and female die, as shown in Figure 5.
The position relationship of son and cylindrical product 9 is entered as shown in Figure 6 for the tapering of male and female die, namely the tapering of male die core 1 enters sub-a10 and enters sub-b11 with tapering and enter sub-a20 respectively with the tapering on mother module core 2 and tapering enters after sub-b21 coordinates, the tapering of male die core 1 enters the tapering of sub-a10 and mother module core 2 and enters sub-a20 and closed this side end face of cylindrical product 9 die cavity, and form product end surface position, simultaneously the tapering of male die core 2 enters the tapering of sub-b11 and mother module core 2 and enters sub-b21 and also closed this side end face of product die cavity, and form product end surface position, thus defining airtight cylindrical product 9 die cavity.
The mould processing technology without offset that the embodiment of the present invention provides, it is ensured that the closing precision of male and female die cylindrical product die cavity, reduces the processing of usual manner, rigging error, meets the appearance requirement of high-precision product.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (5)
1. without offset mould processing technology, it is characterised in that comprise the following steps:
(1) male and female die is individually got the raw materials ready: provide male die core blank and mother module core blank, and at the reserved clout of four sidewalls of described male die core blank, the reserved clout of four sidewalls at described mother module core blank；
(2) locating and machining hole and locking hole: locating and machining hole and locking hole on described male die core blank, processes the location hole corresponding with described male die core position and locking hole respectively simultaneously on described mother module core blank；
(3) male and female die group is stood: described male die core blank and described mother module core blank consistency from top to bottom are stacked, and is inserted into keeper in hole, location and realizes male and female die location, is then inserted into locking member at locking hole and male and female die group is found into an entirety；
(4) surrounding of male and female die after processing group is vertical: in step (2) during independent locating and machining hole, make there is certain mismachining tolerance between the hole, location of male and female die, thus utilizing hole, location both surroundings can be made to there is to a certain degree offset after vertical for male and female die cooperation group in step (3), it is thus desirable to the surrounding of the vertical rear male and female die of processing group, make male and female die surrounding connect to put in place along consistent and processing, form male and female die respectively；
(5) processing fine positioning hole and tapering enter sub-aperture: process fine positioning hole on the male and female die that group is vertical simultaneously and tapering enters sub-aperture, and described tapering to enter the straight portion of sub-aperture be cylindrical product endface position；
(6) take male and female die apart individually to process: the cylindrical product position allowance on male die core is not processed, all the other shapes and design structure processing put in place, add and all carry out peek processing with the fine positioning hole on male die core man-hour, cylindrical product position allowance on mother module core is not processed, all the other shapes and design structure processing put in place, add and all carry out peek processing with the fine positioning hole on mother module core man-hour；
(7) male and female die organizes vertical putting in place again: the die cavity of processing cylindrical product position on the male and female die after group is vertical；
(8) processing tapering enters son: left at the two ends entering sub-blank it is anticipated that be processed as the tapering entering sub-aperture adaptive with the tapering in step (5) enter son by entering sub-blank.
2. mould processing technology without offset according to claim 1, it is characterised in that in step (2), hole, described location is dowel hole, described locking hole is screwed hole, and keeper described in step (3) is alignment pin, and described locking member is clamping screw.
3. mould processing technology without offset according to claim 1, it is characterised in that in step (4), adopts grinding machine to process the surrounding of male and female die described group vertical.
4. mould processing technology without offset according to claim 1, it is characterised in that in step (5), adopts the mode of line cutting to process described fine positioning hole and described tapering enters sub-aperture.
5. mould processing technology without offset according to claim 1, it is characterised in that described tapering enters after in the male and female die that son insertion group respectively is vertical, will be left in the tapering outside male and female die and enters sub-surplus and cut away respectively so that be concordant with the outer face of male and female die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318585.0A CN105798562B (en) | 2016-05-12 | 2016-05-12 | Without offset mould processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318585.0A CN105798562B (en) | 2016-05-12 | 2016-05-12 | Without offset mould processing technology |
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| Publication Number | Publication Date |
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| CN105798562A true CN105798562A (en) | 2016-07-27 |
| CN105798562B CN105798562B (en) | 2018-01-26 |
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| CN201610318585.0A Active CN105798562B (en) | 2016-05-12 | 2016-05-12 | Without offset mould processing technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514171A (en) * | 2016-11-26 | 2017-03-22 | 宁波鑫达模具制造有限公司 | Production process of precision mold |
| CN106584775A (en) * | 2016-12-14 | 2017-04-26 | 佛山市顺德区百年科技有限公司 | Injection mold and machining and assembling technology |
| CN109531082A (en) * | 2018-06-01 | 2019-03-29 | 河源龙记金属制品有限公司 | A kind of processing method of mould bases side lock frame |
| CN111940602A (en) * | 2020-07-17 | 2020-11-17 | 帅钢模架（苏州）有限公司 | High-precision mold core template processing method |
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| EP1078732A2 (en) * | 1999-08-27 | 2001-02-28 | Menicon Co., Ltd. | Mold assembly for producing ophthalmic lens article and method of forming the same using mold assembly |
| CN2737529Y (en) * | 2004-09-22 | 2005-11-02 | 林义坤 | Processing and assembly structure of male and female molds |
| US20060099286A1 (en) * | 2004-11-05 | 2006-05-11 | Funai Electric Co., Ltd. | Display apparatus and metal mold structure |
| CN102699647A (en) * | 2012-05-17 | 2012-10-03 | 宁波富信模胚有限公司 | Method for processing bi-color mold blank |
| CN104191547A (en) * | 2014-08-09 | 2014-12-10 | 歌尔声学股份有限公司 | Processing technique of core inserts and cavity inserts |
| CN104552792A (en) * | 2014-12-09 | 2015-04-29 | 广东欧珀移动通信有限公司 | Forming mold of terminal front cover and manufacturing method of forming mold |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1078732A2 (en) * | 1999-08-27 | 2001-02-28 | Menicon Co., Ltd. | Mold assembly for producing ophthalmic lens article and method of forming the same using mold assembly |
| CN2737529Y (en) * | 2004-09-22 | 2005-11-02 | 林义坤 | Processing and assembly structure of male and female molds |
| US20060099286A1 (en) * | 2004-11-05 | 2006-05-11 | Funai Electric Co., Ltd. | Display apparatus and metal mold structure |
| CN102699647A (en) * | 2012-05-17 | 2012-10-03 | 宁波富信模胚有限公司 | Method for processing bi-color mold blank |
| CN104191547A (en) * | 2014-08-09 | 2014-12-10 | 歌尔声学股份有限公司 | Processing technique of core inserts and cavity inserts |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514171A (en) * | 2016-11-26 | 2017-03-22 | 宁波鑫达模具制造有限公司 | Production process of precision mold |
| CN106584775A (en) * | 2016-12-14 | 2017-04-26 | 佛山市顺德区百年科技有限公司 | Injection mold and machining and assembling technology |
| CN109531082A (en) * | 2018-06-01 | 2019-03-29 | 河源龙记金属制品有限公司 | A kind of processing method of mould bases side lock frame |
| CN109531082B (en) * | 2018-06-01 | 2020-06-12 | 河源龙记金属制品有限公司 | Processing method of die carrier side lock frame |
| CN111940602A (en) * | 2020-07-17 | 2020-11-17 | 帅钢模架（苏州）有限公司 | High-precision mold core template processing method |
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| Publication number | Publication date |
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| CN105798562B (en) | 2018-01-26 |
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