CN207327394U - A kind of KO rod structures as ejector pin - Google Patents
A kind of KO rod structures as ejector pin Download PDFInfo
- Publication number
- CN207327394U CN207327394U CN201720986818.4U CN201720986818U CN207327394U CN 207327394 U CN207327394 U CN 207327394U CN 201720986818 U CN201720986818 U CN 201720986818U CN 207327394 U CN207327394 U CN 207327394U
- Authority
- CN
- China
- Prior art keywords
- ejector
- ejector sleeve
- pin
- ejector pin
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of KO rod structures as ejector pin,Including the upper ejector plate set gradually from top to bottom,Lower liftout plate,Ejector sleeve needle plate,Bottom plate,Thermal insulation board and KO columns,The KO columns include the cylinder set on KO seat boards and KO seat boards,KO lower through-holes corresponding with KO seat boards are offered on the bottom plate and thermal insulation board,Through hole on KO corresponding with cylinder is offered on ejector sleeve needle plate,Through hole on KO is provided with the ejector sleeve pin hole that bottom is connected with KO lower through-holes on ejector sleeve needle plate,Lower liftout plate is run through in ejector sleeve pin hole upper end,Upper ejector plate corresponds to ejector sleeve pin hole and is provided with ejector sleeve hole,Ejector sleeve is provided with ejector sleeve in hole,The ejector pin that top is pierced by ejector sleeve is installed in ejector sleeve pin hole,Pinned by briquetting component or grub screw on ejector sleeve needle plate ejector pin lower end,The utility model is significantly solved the problem of ejector sleeve cannot be beaten on KO holes,For subsequent design mould when,Provide more flexible space,The ejection problem of more preferable adjustment mould.
Description
Technical field
Mold design technical field is the utility model is related to, is specially a kind of KO rod structures as ejector pin.
Background technology
In mold design field, the BOSS columns to plastic product are typically all to complete to eject using sleeve and ejector pin,
Thus occur a kind of situation be exactly ejector sleeve stylus printer on KO holes, and KO holes are interfered.The processing mode of design is typically all
Cancel sleeve ejection, use thimble ejection instead, or make KO holes eccentric.Sometimes it is top for deeper BOSS columns thimble ejection
Motionless, while if the eccentric big situation that can cause ejection imbalance stuck again in KO holes occurs.If should KO it is eccentric big, can
To do sleeve ejection, ensure ejection balance again, that will increase mould bases dimensions, so cause the unlimited increasing of cost again
Add.The difficulty for how overcoming this also to do sleeve ejection on KO holes, is always that design field is repaying the problem of examination is broken through.
Utility model content
The purpose of this utility model is to provide a kind of KO rod structures as ejector pin, significantly solving cannot on KO holes
The problem of beating ejector sleeve, when being subsequent design mould, there is provided more flexible space, the more preferable ejection problem for adjusting mould.
To achieve the above object, the utility model provides following technical solution：
A kind of KO rod structures as ejector pin, including set gradually from top to bottom upper ejector plate, lower liftout plate, ejector sleeve
Needle plate, bottom plate, thermal insulation board and KO columns, the KO columns include the cylinder set on KO seat boards and KO seat boards, described lower solid
KO lower through-holes corresponding with KO seat boards are offered on fixed board and thermal insulation board, offers on ejector sleeve needle plate and leads on KO corresponding with cylinder
Hole, is provided with the ejector sleeve pin hole that bottom is connected with KO lower through-holes on ejector sleeve needle plate, ejector sleeve pin hole upper end is passed through close to through hole on KO
Liftout plate is worn, upper ejector plate corresponds to ejector sleeve pin hole and is provided with ejector sleeve hole, and ejector sleeve is provided with ejector sleeve hole, is installed in ejector sleeve pin hole
There is the ejector pin that top is pierced by ejector sleeve, ejector pin lower end is pinned on ejector sleeve needle plate by briquetting component or grub screw, described
Ultimate range between ejector sleeve needle plate lower face and KO seat boards is L+a, and L is the actual ejection distance of mould, a be the ejection reserved away from
From.
Preferably, the cylinder is provided with one, and cylinder is integrated the semi arch cylinder for being arranged on KO seat boards upside, department
Cylinder pin is in projection along its length positioned at the side of semi arch cylinder.
Preferably, the cylinder is provided with two, and two cylinders are symmetrically arranged at KO seat boards top two side ends, ejector sleeve
Pin between two cylinders and deviates KO seat boards center in projection along its length.
Preferably, the ejector pin lower end is pinned on ejector sleeve needle plate by briquetting component, and briquetting component includes and ejector sleeve
The briquetting and the briquetting fixed screw for will be fixed on briquetting and ejector sleeve needle plate that pin bottom contradicts.
Preferably, the ejector pin lower end is pinned on ejector sleeve needle plate by grub screw, ejector pin bottom and spiral shell without a head
Silk top, which contradicts, to be set.
Preferably, the KO columns through the fixing bolt of KO columns with the mandril on forming bench by being fixedly connected.
Compared with prior art, the beneficial effects of the utility model are：In ejection process, ejector pin is just in KO holes
In, accessory KO columns avoid ejector pin, and L+a is exactly the safety travel avoided, and during shaping, KO columns are past under the action of forming bench
Preceding ejection, will not interfere with ejector pin.The utility model is significantly solved the problem of ejector sleeve cannot be beaten on KO holes, is subsequent design mould
During tool, there is provided more flexible space, the more preferable ejection problem for adjusting mould.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of embodiment 1 in KO rod structures as ejector pin；
Fig. 2 is a kind of structure diagram of embodiment 2 in KO rod structures as ejector pin.
In figure：1- upper ejector plates, liftout plate under 2-, 3- ejector sleeve needle plates, 4- bottom plates, 5- thermal insulation boards, 6- ejector sleeves, 7- departments
Cylinder pin, 8- briquettings, 9- briquetting fixed screws, 10-KO columns, 11-KO seat boards, 12- cylinders, 13- fixing bolts, 14- grub screws.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
~2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of KO rod structures as ejector pin, including
Upper ejector plate 1, lower liftout plate 2, ejector sleeve needle plate 3, bottom plate 4, thermal insulation board 5 and the KO columns 10 set gradually from top to bottom, institute
The cylinder 12 that KO columns 10 include setting on KO seat boards 11 and KO seat boards 11 is stated, is offered on the bottom plate 4 and thermal insulation board 5
KO lower through-holes corresponding with KO seat boards 11, offer on ejector sleeve needle plate 3 with through hole on 12 corresponding KO of cylinder, on ejector sleeve needle plate 3
Through hole on KO is provided with the ejector sleeve pin hole that bottom is connected with KO lower through-holes, lower liftout plate 2 is run through in ejector sleeve pin hole upper end, on
Liftout plate 1 corresponds to ejector sleeve pin hole and is provided with ejector sleeve hole, and ejector sleeve 6 is provided with ejector sleeve hole, and top is provided with ejector sleeve pin hole and is pierced by
The ejector pin 7 of ejector sleeve 6,7 lower end of ejector pin are pinned on ejector sleeve needle plate 3 by briquetting component or grub screw 14, the ejector sleeve
Ultimate range between 3 lower face of needle plate and KO seat boards 11 is L+a, and L is the actual ejection distance of mould, a be the ejection reserved away from
From a is arranged to 5mm；The KO columns 10 are fixedly connected by the fixing bolt 13 through KO columns 10 with the mandril on forming bench.
In the utility model embodiment 1, the cylinder 12 is provided with one, and cylinder 12, which is integrated, to be arranged on KO seat boards 11
The semi arch cylinder of side, ejector pin 7 is in projection along its length positioned at the side of semi arch cylinder；Under the ejector pin 7
End is pinned on ejector sleeve needle plate 3 by briquetting component, and briquetting component includes the briquetting 8 contradicted with 7 bottom of ejector pin and is used for
By briquetting fixed screw 9 fixed on briquetting 8 and ejector sleeve needle plate 3.
In the utility model embodiment 2, the cylinder 12 is provided with two, and two cylinders 12 are symmetrically arranged at KO
11 top two side ends of plate, ejector pin 7 between two cylinders 12 and deviate 11 center of KO seat boards in projection along its length
Position；7 lower end of ejector pin is pinned on ejector sleeve needle plate 3 by grub screw 14, and 7 bottom of ejector pin is pushed up with grub screw 14
End, which contradicts, to be set
Installation method：Ejector pin 7 lives in 7 Lock of ejector pin with briquetting component or with no Tou Luo Silk 14 when on KO lower through-holes
On ejector sleeve needle plate 3, then install KO columns 10 can.Top bars on forming bench can on KO columns 10 with regard to direct Top
.There is the space for avoiding ejector pin 7 on KO columns 10, L+a is exactly that (L is mould Real Inter Top Chu Ju From, a for the safety travel avoided
The Ge Top that Shi yu are stayed go out space, generally 5MM), during shaping, Top goes out KO columns 10 forward under the action of forming bench, will not
Interfere with ejector pin 7.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of KO rod structures as ejector pin, including upper ejector plate, lower liftout plate, the ejector pin set gradually from top to bottom
Plate, bottom plate, thermal insulation board and KO columns, it is characterised in that：The KO columns include the cylinder set on KO seat boards and KO seat boards,
KO lower through-holes corresponding with KO seat boards are offered on the bottom plate and thermal insulation board, are offered on ejector sleeve needle plate corresponding with cylinder
KO on through hole, through hole on KO is provided with the ejector sleeve pin hole that bottom is connected with KO lower through-holes, ejector pin on ejector sleeve needle plate
Lower liftout plate is run through in hole upper end, and upper ejector plate corresponds to ejector sleeve pin hole and is provided with ejector sleeve hole, and ejector sleeve, ejector pin are provided with ejector sleeve hole
The ejector pin that top is pierced by ejector sleeve is installed, ejector pin lower end is pinned in ejector sleeve needle plate by briquetting component or grub screw in hole
On, the ultimate range between the ejector sleeve needle plate lower face and KO seat boards is L+a, and L is the actual ejection distance of mould, and a is reserved
Ejection distance.
A kind of 2. KO rod structures as ejector pin according to claim 1, it is characterised in that：The cylinder is provided with one
A, cylinder is integrated the semi arch cylinder for being arranged on KO seat boards upside, and ejector pin is located at semicircle in projection along its length
The side of arc column body.
A kind of 3. KO rod structures as ejector pin according to claim 1, it is characterised in that：The cylinder is provided with two
A, two cylinders are symmetrically arranged at KO seat boards top two side ends, and ejector pin is located at two columns in projection along its length
Between body and deviation KO seat boards center.
A kind of 4. KO rod structures as ejector pin according to claim 2, it is characterised in that：The ejector pin lower end leads to
Cross briquetting component pin on ejector sleeve needle plate, briquetting component include with ejector pin bottom contradict briquetting and for by briquetting with
Fixed briquetting fixed screw on ejector sleeve needle plate.
A kind of 5. KO rod structures as ejector pin according to claim 3, it is characterised in that：The ejector pin lower end leads to
Cross grub screw to pin on ejector sleeve needle plate, ejector pin bottom contradicts with grub screw top and sets.
A kind of 6. KO rod structures as ejector pin according to claim 1, it is characterised in that：The KO columns by through
The fixing bolt of KO columns is fixedly connected with the mandril on forming bench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986818.4U CN207327394U (en) | 2017-08-09 | 2017-08-09 | A kind of KO rod structures as ejector pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986818.4U CN207327394U (en) | 2017-08-09 | 2017-08-09 | A kind of KO rod structures as ejector pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207327394U true CN207327394U (en) | 2018-05-08 |
Family
ID=62378068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720986818.4U Expired - Fee Related CN207327394U (en) | 2017-08-09 | 2017-08-09 | A kind of KO rod structures as ejector pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207327394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515363A (en) * | 2019-02-01 | 2020-08-11 | 苏州汉扬精密电子有限公司 | Ejection structure of die-casting die |
-
2017
- 2017-08-09 CN CN201720986818.4U patent/CN207327394U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515363A (en) * | 2019-02-01 | 2020-08-11 | 苏州汉扬精密电子有限公司 | Ejection structure of die-casting die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20190809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |