CN107498753A - Mold insert made from tubulose light guide injection mold mold insert processing method and use this method - Google Patents
Mold insert made from tubulose light guide injection mold mold insert processing method and use this method Download PDFInfo
- Publication number
- CN107498753A CN107498753A CN201710824084.4A CN201710824084A CN107498753A CN 107498753 A CN107498753 A CN 107498753A CN 201710824084 A CN201710824084 A CN 201710824084A CN 107498753 A CN107498753 A CN 107498753A
- Authority
- CN
- China
- Prior art keywords
- mold insert
- light guide
- injection mold
- mold
- tubulose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of tubulose light guide injection mold mold insert processing method and using mold insert made from this method, methods described is that direct processing leads the adaptable independent injection mold mold insert of toothed portion total length with tubulose light guide, or process paragraph by paragraph multiple injection mold mold insert units again spelling into light guide toothed portion total length be adapted a set of injection mold mold insert, the processing of independent an injection mold mold insert or an injection mold mold insert unit is first to be carried out on blank slightly, finishing, working position includes all surface in addition to lower surface on mold insert or mold insert unit, mold insert or mold insert unit are isolated by wire cutting again afterwards.The tubulose light guide injection mold mold insert is processed into using above-mentioned processing method, and its main body is elongated, and the leading flank of main body extends along the body direction and is interval with many places boss, and each boss is provided with the front and rear screw hole to insertion.The present invention can meet the Forming Quality requirement of light guide toothing, and easily edge is matched somebody with somebody, and processing cost is low.
Description
Technical field
The present invention relates to a kind of tubulose light guide injection mold mold insert processing method and using mold insert made from this method, belong to
Car light tubulose light guide injection mold mold insert processing technique field.
Background technology
With the continuous renewal of vehicle light shape, the length of car light light guide also shows the trend progressively lengthened, optical patterns
Structure becomes more complicated, therefore proposes higher requirement to mould processing and manufacturing.Whole light guides of conventional car light light guide
Toothing uses a mold insert to complete substantially, and processing is relatively simple, however as the elongated of lightguide length, Yi Jiguang
Leading moulding tends to the development trend of spatial warping, it is difficult to complete the shaping of such light guide toothing by a mold insert again and make each
Place is attained by gratifying Forming Quality, also or traditional mold insert manufacture method is used, even if being manufactured that such one
The mold insert of part high quality, its cost are also at a relatively high.
The content of the invention
To overcome drawbacks described above, the invention provides a kind of tubulose light guide injection mold mold insert processing method and using the party
Mold insert made from method, the Forming Quality requirement of light guide toothing can be met, easily edge is matched somebody with somebody, and processing cost is low.
The main technical schemes of the present invention have：
A kind of tubulose light guide injection mold mold insert processing method, directly processing and the light guide toothed portion total length phase of tubulose light guide
The independent injection mold mold insert adapted to, or after first processing is divided into some sections with the light guide teeth portion of tubulose light guide paragraph by paragraph
Each section of adaptable injection mold mold insert unit, then by each injection mold mold insert unit spelling processed into a set of injection
Inlaid piece of mould, the procedure of processing of an independent injection mold mold insert or injection mold mold insert unit are as follows：
Step (1), carries out roughing on blank, roughing position include an independent injection mold mold insert or
Transition between all surface on injection mold mold insert unit in addition to lower surface, including lower surface side adjacent thereto
Fillet or chamfering, in addition to from an independent injection mold mold insert or injection mold mold insert unit near lower surface
The cylinder that finished surface edge extends straight down, the dentalation corresponding with light guide tooth are located at an independent injection mould
On the top surface for having mold insert or injection mold mold insert unit；
Step (2), the workpiece obtained after being processed to the step (1) are heat-treated；
Step (3), the workpiece obtained after being processed to the step (2) finish, the same step of working position (1)；
Step (4), obtained workpiece carries out wire cutting after being processed to the step (3), and the path of wire cutting is along described
The lower surface of independent an injection mold mold insert or injection mold mold insert unit, workpiece is separated into two parts up and down, top
Part be an independent injection mold mold insert or injection mold mold insert unit.
Processing in the step (1) and (3) can use lathe Milling Process.
Clamping position during Milling Process is in the bottom of associated workpiece, under isolated in the step (4)
Part on the part of side.
A kind of tubulose light guide injection mold mold insert, it uses any one above-mentioned processing method to be processed into.
The main body of the tubulose light guide injection mold mold insert is elongated, and the leading flank of the main body extends along the body direction
Many places boss is interval with, each boss is provided with the front and rear screw hole to insertion.
The top portion to the rear of the agent structure is provided with vertical thin-wall construction, and the dentalation is located at the vertical thin-walled
On the top surface of structure, and it is arranged in order along the bearing of trend of the main body.
The highly preferred of the vertical thin-wall construction is≤8mm, and the fore-and-aft direction thickness of the vertical thin-wall construction is preferred
For 1.6-2mm.
Inclined surface transition between the top edge of the lower edge of the vertical thin-wall construction and the leading flank of the main body.
When the light guide toothed portion total length is no more than 400mm, directly processing and the light guide toothed portion total length of tubulose light guide
An adaptable independent injection mold mold insert；When the light guide toothed portion total length is more than 400mm, piecewise processing and tubular light
The light guide teeth portion led is divided into each section after some sections adaptable injection mold mold insert unit.
Corresponding to an injection mold mold insert unit the light guide toothed portion one section of length in 200mm-
Between 400mm.
The beneficial effects of the invention are as follows：
The method of the present invention can ensure the higher machining accuracy of mold insert exterior contour, to smoothly equipment and production all
Play an important role.And be also suitable especially for the long light guide of moulding distortion, while crudy is improved, moreover it is possible to save
Material saving, machining period is saved, shorten installation time, therefore reduce manufacturing cost, solve car lamp light guide tooth well
The excessive problem for being difficult to edge and matching somebody with somebody of inlaid piece of mould.
The method of the present invention is simple and easy, and easy to implement and popularization, applicability are extensive.Obtained insert structure is simple,
Precision is high.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of tubulose light guide；
Fig. 2 is that the tubulose light guide shows with the relative position relation figure of corresponding injection mold mold insert unit；
The structural representation of associated workpiece when Fig. 3 is the step (1) and (3)；
Fig. 4 is wire cutting path schematic diagram；
Fig. 5 is the structural representation of pedestal；
Fig. 6 is the partial structurtes enlarged drawing of the injection mold mold insert unit.
Embodiment
The invention discloses a kind of tubulose light guide injection mold mold insert processing method, directly pipe of the processing shown in Fig. 1,2
The light guide toothed portion total length of a shape light guide 1 independent injection mold mold insert adaptable (such as arrow institute how in Fig. 1), or first
Processing and the light guide teeth portion of tubulose light guide are divided into each section after some sections adaptable injection mold mold insert unit paragraph by paragraph.
It is latter event as in Figure 3-5：The light guide toothed portion of tubulose light guide described in Fig. 1,2 is divided into two sections, paragraph by paragraph processing
The injection mold mold insert unit 2 and 3 being adapted with two sections of light guide teeth, then each injection mold mold insert unit spelling that will be processed
Into a set of injection mold mold insert.Either independent an injection mold mold insert or an injection mold mold insert unit, it is processed
Method is identical.Below by taking injection mold mold insert unit 2 as an example, illustrate an independent injection mold mold insert and the injection mold edge
The procedure of processing of part unit is as follows：
Step (1), carries out roughing on blank 4, and roughing position includes an independent injection mold mold insert
Or the mistake between all surface on injection mold mold insert unit in addition to lower surface, including lower surface side adjacent thereto
Cross fillet or chamfering.In order to realize the processing to the knuckle and chamfering, finished surface also needs to include from described independent one
The post extended straight down near the finished surface edge of lower surface on individual injection mold mold insert or injection mold mold insert unit
Face 5-1, these cylinders are often the lower side relative to an independent injection mold mold insert or injection mold mold insert unit
Face transverse direction indent.
The dentalation corresponding with light guide tooth 1-1 is located at an independent injection mold mold insert or injection mold mold insert
On the top surface of unit, row of the dentalation in also roughing described in step (1)；
Step (2), the workpiece obtained after being processed to the step (1) are heat-treated；Mainly zero is improved by quenching
The case hardness of part.
Step (3), the workpiece obtained after being processed to the step (2) finish, the same step of working position (1)；
Step (4), obtained workpiece carries out wire cutting after being processed to the step (3), and the path of wire cutting is along described
The design attitude of the lower surface of independent an injection mold mold insert or injection mold mold insert unit, for the present embodiment, the road
Footpath is position shown in full curve in Fig. 4 where several arrows.Workpiece is separated into two parts up and down, the part of top
As described an independent injection mold mold insert or injection mold mold insert unit.Underlying item is properly termed as pedestal 5.
Vertical gap d be present between wire cutting face and the large curved surface f of pedestal, the as described cylinder 5-1 of this distance height,
It is to ensure that the other structures of mold insert or mold insert unit in addition to wire cutting position all can be by lathe Milling Process
Complete (including bottom surface fillet).
According to traditional processing method, majority is to clamp the part of mold insert in itself by lathe to reprocess its other one
Point, so easily cause machining deviation.And according to the processing method of the present invention, the overwhelming majority for processing mold insert or mold insert unit is taken turns
When wide, allow mold insert or mold insert unit to remain in that and be connected with a part for blank, i.e., machining when still retain pedestal, and with
Pedestal can reduce the influence of clamping deformation, improve machining accuracy as clamping position.Wire cutting also ensure that mold insert or mold insert
The precision of the outline of unit, certain booster action is served to smoothly equipment and production.
Processing in the step (1) and (3) preferably uses lathe Milling Process.
Clamping position during Milling Process is in the bottom of associated workpiece, under isolated in the step (4)
The part of the part of side, i.e., actually corresponded to the position of the pedestal.
By die trial, first injecting products meets the product items quality requirement including light distribution requirements, also simultaneously
Master Cost has been saved, processing duration has been saved, shortens installation time.
As shown in Fig. 3,6, the invention also discloses a kind of tubulose light guide injection mold mold insert, it uses above-mentioned processing method
It is processed into.
The main body of the tubulose light guide injection mold mold insert is elongated, and the leading flank 2-1 of the main body is extended along the body
Direction is interval with many places boss 2-2, and each boss is provided with the front and rear screw hole 2-3 to insertion.The mold insert or edge
Part unit is positioned by the boss, fastened by wearing screw in the screw hole to when installing on mould installion pedestal.
Each boss up and down, left and right side and above be positioning surface.Screw hole design can be played into " spiral shell on boss
The effect of nail+pin ", installation needs of the mold insert unit 2 on mould installion pedestal can be met whereby.
The top portion to the rear of the agent structure is provided with vertical thin-wall construction 2-4, and the dentalation is positioned at described vertical
On the top surface of thin-wall construction, and it is arranged in order along the bearing of trend of the main body.
Height h≤8mm of the vertical thin-wall construction, the fore-and-aft direction thickness t of the vertical thin-wall construction is 1.6-
2mm.Using such size assortment, the life-span of mold insert or mold insert unit can be avoided too short.
Pass through inclined surface 2-5 between the top edge of the lower edge of the vertical thin-wall construction and the leading flank of the main body
Transition.
When the light guide toothed portion total length is no more than 400mm, directly process complete with the light guide toothed portion of tubulose light guide
A long adaptable independent injection mold mold insert；When the light guide toothed portion total length is more than 400mm, piecewise processing and tubulose
The light guide teeth portion of light guide is divided into each section after some sections adaptable injection mold mold insert unit.The light guide toothed portion
Length according to opisometer.
Corresponding to an injection mold mold insert unit the light guide toothed portion one section of length in 200mm-
Between 400mm.In accompanying drawing illustrated embodiment, when the light guide toothed portion total length is between 400mm-800mm, preferably wherein
Between position be divided into two sections, and process paragraph by paragraph respectively with this two sections adaptable injection mold mold insert units.
Claims (10)
- A kind of 1. tubulose light guide injection mold mold insert processing method, it is characterised in that：Directly processing and the light guide tooth of tubulose light guide The adaptable independent injection mold mold insert of part total length, or first processing and the light guide teeth portion of tubulose light guide are divided into paragraph by paragraph Each section of adaptable injection mold mold insert unit after some sections, then each injection mold mold insert unit spelling that will be processed Into a set of injection mold mold insert, the procedure of processing of an independent injection mold mold insert or injection mold mold insert unit is as follows：Step (1), carries out roughing on blank, and roughing position includes an independent injection mold mold insert or injection Knuckle between all surface on inlaid piece of mould unit in addition to lower surface, including lower surface side adjacent thereto Or chamfering, in addition to from an independent injection mold mold insert or injection mold mold insert unit near the processing of lower surface The cylinder that marginal surface extends straight down, the dentalation corresponding with light guide tooth is positioned at the independent injection mold edge On the top surface of part or injection mold mold insert unit；Step (2), the workpiece obtained after being processed to the step (1) are heat-treated；Step (3), the workpiece obtained after being processed to the step (2) finish, the same step of working position (1)；Step (4), obtained workpiece carries out wire cutting after being processed to the step (3), the path of wire cutting along it is described individually The lower surface of one injection mold mold insert or injection mold mold insert unit, by workpiece be separated into up and down two parts, the zero of top Part is an independent injection mold mold insert or injection mold mold insert unit.
- 2. tubulose light guide injection mold mold insert processing method as claimed in claim 1, it is characterised in that：The step (1) and (3) processing in uses lathe Milling Process.
- 3. tubulose light guide injection mold mold insert processing method as claimed in claim 2, it is characterised in that：Dress during Milling Process Folder portion position is in the bottom of associated workpiece, corresponding to the part on the part of lower section isolated in the step (4).
- A kind of 4. tubulose light guide injection mold mold insert, it is characterised in that：It uses the processing side as described in claim 1,2 or 3 Method is processed into.
- 5. tubulose light guide injection mold mold insert as claimed in claim 4, it is characterised in that：Its main body is elongated, the master The leading flank of body extends along the body direction and is interval with many places boss, and each boss is provided with the front and rear screw to insertion Hole.
- 6. tubulose light guide injection mold mold insert as claimed in claim 5, it is characterised in that：The top of the agent structure is to the rear Portion is provided with vertical thin-wall construction, and the dentalation is on the top surface of the vertical thin-wall construction, and prolonging along the main body Direction is stretched to be arranged in order.
- 7. tubulose light guide injection mold mold insert as claimed in claim 6, it is characterised in that：The height of the vertical thin-wall construction ≤ 8mm, the fore-and-aft direction thickness of the vertical thin-wall construction is 1.6-2mm.
- 8. tubulose light guide injection mold mold insert as claimed in claim 7, it is characterised in that：The vertical thin-wall construction it is following Inclined surface transition between the top edge of edge and the leading flank of the main body.
- 9. the tubulose light guide injection mold mold insert as described in claim 4,5,6,7 or 8, it is characterised in that：When the light guide tooth When part total length is no more than 400mm, independent one that the light guide toothed portion total length of directly processing and tubulose light guide is adapted is molded Inlaid piece of mould；When the light guide toothed portion total length is more than 400mm, processing and the light guide teeth portion of tubulose light guide are divided into paragraph by paragraph Each section of adaptable injection mold mold insert unit after some sections.
- 10. tubulose light guide injection mold mold insert as claimed in claim 9, it is characterised in that：Corresponding to an injection mould Has one section of length of the light guide toothed portion of mold insert unit between 200mm-400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824084.4A CN107498753B (en) | 2017-09-13 | 2017-09-13 | Processing method of tubular light guide injection mold insert and insert manufactured by adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824084.4A CN107498753B (en) | 2017-09-13 | 2017-09-13 | Processing method of tubular light guide injection mold insert and insert manufactured by adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107498753A true CN107498753A (en) | 2017-12-22 |
| CN107498753B CN107498753B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710824084.4A Active CN107498753B (en) | 2017-09-13 | 2017-09-13 | Processing method of tubular light guide injection mold insert and insert manufactured by adopting same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136425A (en) * | 2019-12-30 | 2020-05-12 | 宁波杰达模具机械有限公司 | Production process of special-shaped long insert of four-stroke engine shell mold |
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| CN111136425A (en) * | 2019-12-30 | 2020-05-12 | 宁波杰达模具机械有限公司 | Production process of special-shaped long insert of four-stroke engine shell mold |
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