CN107901342A - It is a kind of to avoid producing the mould of line print in moulding upper end - Google Patents
It is a kind of to avoid producing the mould of line print in moulding upper end Download PDFInfo
- Publication number
- CN107901342A CN107901342A CN201711171377.3A CN201711171377A CN107901342A CN 107901342 A CN107901342 A CN 107901342A CN 201711171377 A CN201711171377 A CN 201711171377A CN 107901342 A CN107901342 A CN 107901342A
- Authority
- CN
- China
- Prior art keywords
- riser
- faces
- die holder
- cavity
- core rod
- 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.)
- Pending
Links
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
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0037—Moulding articles or parts thereof without parting line
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Avoid producing the mould of line print in moulding upper end the invention discloses a kind of, the moulding includes flat part, at least two pieces of risers being parallel to each other are equipped with the bottom surface of flat part, the riser includes riser A faces and riser B faces, the lower end of each riser is equipped with the special-shaped curved of smooth and connection riser A faces and riser B faces, including die holder, core rod is slidably connected in the die holder, formed with the cavity for injection molding part riser and flat part between the die holder and core rod, the cavity, which includes to be arranged on die holder, to be used to be molded riser A faces and special-shaped curved cavity surface A portions, the cavity also includes the cavity surface B portions that core rod is used to be molded riser A faces and flat part bottom surface that are arranged on.Present invention can ensure that line print will not be produced in the special-shaped curved of riser lower end, the surface quality of moulding is improved, while also allow for demoulding.
Description
【Technical field】
It is especially a kind of to avoid producing the mould of line print in moulding upper end the present invention relates to mould applications.
【Background technology】
For the moulding of some shapes as shown in Figure 1, including flat part, at least two pieces are equipped with the bottom surface of flat part
The riser being parallel to each other, riser include riser A faces and riser B faces, and the lower end of each riser is equipped with smooth and connection riser A faces
It is special-shaped curved with riser B faces；The mould for producing this kind of moulding substantially as shown in Figure 2, using this kind of mould, is molded and completes
Afterwards, can riser lower face it is special-shaped curved on produce line print, reduce the special-shaped curved surface quality of riser lower face.
The present invention is to research and propose in view of the deficiencies of the prior art.
【The content of the invention】
Avoid producing the mould of line print in moulding upper end the technical problem to be solved in the present invention is to provide a kind of, pass through
Die holder will be arranged on for being molded riser A faces and special-shaped curved cavity surface A portions, will be used to be molded riser A faces and tablet
The cavity surface B portions of portion bottom surface are arranged on core rod, and core rod is slidably connected with die holder, can be ensured perpendicular using such scheme
The special-shaped curved of plate lower end will not produce line print, improve the surface quality of moulding, while also allow for demoulding.
In order to solve the above technical problems, a kind of of the present invention avoids producing the mould of line print in moulding upper end, it is described
Moulding include flat part, be equipped with least two pieces of risers being parallel to each other in the bottom surface of flat part, the riser includes perpendicular
Plate A faces and riser B faces, the lower end of each riser are equipped with the special-shaped curved of smooth and connection riser A faces and riser B faces, including
Die holder, slidably connects core rod in the die holder, formed with for injection molding between the die holder and core rod
The cavity of part riser and flat part, the cavity, which includes to be arranged on die holder, to be used to be molded riser A faces and special-shaped curved
Cavity surface A portions, the cavity also include the cavity surface B portions that core rod is used to be molded riser A faces and flat part bottom surface that are arranged on.
A kind of mould avoided in moulding upper end generation line print as described above, the core rod are equipped with positioning
Block, the die holder is equipped with to be coordinated so that core rod to be positioned to the locating slot on die holder with locating piece.
Compared with prior art, the invention has the advantages that：
1st, the present invention will be used by will be arranged on die holder for being molded riser A faces and special-shaped curved cavity surface A portions
It is arranged in the cavity surface B portions in shaping riser A faces and flat part bottom surface on core rod, core rod is slidably connected with die holder, using this
The scheme of sample can ensure the special-shaped curved surface quality that will not be produced line print, improve moulding in riser lower end, while
Easy to demould.
【Brief description of the drawings】
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structure diagram of moulding；
Fig. 2 is the structure diagram of the corresponding mould of moulding in the prior art；
Fig. 3 is schematic structural view of the invention；
Fig. 4 is the explosive view of the present invention；
Fig. 5 is the enlarged drawing of the part A marked in Fig. 4；
Fig. 6 is the full sectional view of the present invention；
Fig. 7 is the enlarged drawing of the part B marked in Fig. 6.
【Embodiment】
Elaborate below in conjunction with the accompanying drawings to embodiments of the present invention.
As shown in Figures 1 to 7, a kind of of the present embodiment avoids producing the mould of line print in moulding upper end, described
Moulding 100 includes flat part 101, and at least two pieces risers 102 being parallel to each other are equipped with the bottom surface of flat part 101, described
Riser 102 includes riser A faces 1021 and riser B faces 1022, and the lower end of each riser 102 is equipped with smooth and connection riser A faces
Special-shaped curved the 1023 of 1021 and riser B faces 1022, including die holder 1, slidably connect core rod 2, institute in the die holder 1
It is described formed with the cavity 3 for 100 riser 102 of injection molding part and flat part 101 between the die holder 1 and core rod 2 stated
Cavity 3, which includes to be arranged on, is used for the cavity surface A portions 31 for being molded riser A faces 1021 and special-shaped curved 1023 on die holder 1, described
Cavity 3 also includes the cavity surface B portions 32 that core rod 2 is used to be molded 101 bottom surface of riser A faces 1021 and flat part that are arranged on.The present invention
By the way that die holder 1 will be arranged on for the cavity surface A portions 31 for being molded riser A faces 1021 and special-shaped curved 1023, will be used for into
The cavity surface B portions 32 of type riser A faces 1021 and 101 bottom surface of flat part are arranged on core rod 2, and core rod 2 is slided with die holder 1 to be connected
Connect, can ensure that special-shaped curved the 1023 of 102 lower end of riser line print will not be produced using such scheme, improve moulding
100 surface quality, while also allow for demoulding.
In order to make 2 accurate positioning of core rod, locating piece 21 is equipped with core rod 2, is equipped with die holder 1 and matches somebody with somebody with locating piece 21
Close so that core rod 2 to be positioned to the locating slot 11 on die holder 1.
Claims (2)
1. a kind of avoid producing the mould of line print in moulding upper end, the moulding (100) includes flat part (101),
At least two pieces risers (102) being parallel to each other are equipped with the bottom surface of flat part (101), the riser (102) includes riser A faces
(1021) and riser B faces (1022), the lower end of each riser (102) is equipped with smooth and connection riser A faces (1021) and riser B
Special-shaped curved (1023) in face (1022), it is characterised in that including die holder (1), slidably connected in the die holder (1)
Core rod (2), formed with for injection molding part (100) riser (102) and tablet between the die holder (1) and core rod (2)
The cavity (3) in portion (101), the cavity (3), which includes to be arranged on die holder (1), to be used to be molded riser A faces (1021) and different
The cavity surface A portions (31) of type curved surface (1023), the cavity (3), which also includes, is arranged on core rod (2) for being molded riser A faces
(1021) and flat part (101) bottom surface cavity surface B portions (32).
2. a kind of mould avoided in moulding upper end generation line print according to claim 1, it is characterised in that described
Core rod (2) be equipped with locating piece (21), the die holder (1) is equipped with to be coordinated so that core rod (2) is fixed with locating piece (21)
Locating slot (11) of the position on die holder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171377.3A CN107901342A (en) | 2017-11-22 | 2017-11-22 | It is a kind of to avoid producing the mould of line print in moulding upper end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171377.3A CN107901342A (en) | 2017-11-22 | 2017-11-22 | It is a kind of to avoid producing the mould of line print in moulding upper end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107901342A true CN107901342A (en) | 2018-04-13 |
Family
ID=61847014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711171377.3A Pending CN107901342A (en) | 2017-11-22 | 2017-11-22 | It is a kind of to avoid producing the mould of line print in moulding upper end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107901342A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58212925A (en) * | 1982-06-07 | 1983-12-10 | Nissan Motor Co Ltd | Injection die |
-
2017
- 2017-11-22 CN CN201711171377.3A patent/CN107901342A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58212925A (en) * | 1982-06-07 | 1983-12-10 | Nissan Motor Co Ltd | Injection die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |
|
| RJ01 | Rejection of invention patent application after publication |