CN110202755A - A kind of ejecting mechanism of thin-wall product injection mold - Google Patents
A kind of ejecting mechanism of thin-wall product injection mold Download PDFInfo
- Publication number
- CN110202755A CN110202755A CN201910618221.8A CN201910618221A CN110202755A CN 110202755 A CN110202755 A CN 110202755A CN 201910618221 A CN201910618221 A CN 201910618221A CN 110202755 A CN110202755 A CN 110202755A
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- CN
- China
- Prior art keywords
- oblique top
- product
- oblique
- needle
- thin
- 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
- 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
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of ejecting mechanism of thin-wall product injection mold, including upper cores, lower mode, push plate, ejector sleeve, oblique top and ejector retainner plate, push plate, upper cores and lower mode surround the type chamber for shaped article, and ejector sleeve and oblique top are arranged on ejector retainner plate；Oblique top includes angle ejector rod, oblique top head and button bit molding pin, oblique top head has opposite glue plane and guide surface, lower mode is equipped with oblique surface and the acting surface above oblique surface, acting surface includes the first perpendicular and the second perpendicular below the first perpendicular, the inside of oblique top head plays needle mounting groove there are two setting, it is equipped in two bullet needle mounting grooves and plays needle and reset spring, with the inner edge face contact of product, the other end of two springs contacts with the first perpendicular and the second perpendicular respectively for one end of two bullet needles.A kind of ejecting mechanism of thin-wall product injection mold of the present invention, it is structurally reasonable, the ejection of thin-wall product is facilitated, the production efficiency for improving mold is conducive to.
Description
Technical field
The present invention relates to a kind of ejecting mechanisms of thin-wall product injection mold.
Background technique
Injection mold is a kind of tool for producing plasthetics；Also plasthetics complete structure and accurate dimension are to confer to
Tool.Injection molding is a kind of processing method used when producing certain complex-shaped components in batches.It refers specifically to melt heated
Plastics by injection molding machine high pressure inject die cavity obtain formed products after cooling and solidifying.Currently, being infused using some thin-wall products
When mould, since product only has the thin-walled of a ring shape, intermediate portion is ejected without glue position, therefore to this kind of product
When it is more difficult, need to be arranged a kind of suitable ejecting structure, to improve the production efficiency of mold.
Summary of the invention
It is structurally reasonable the purpose of the present invention is to provide a kind of ejecting mechanism of thin-wall product injection mold, it facilitates
The ejection of thin-wall product is conducive to the production efficiency for improving mold.
To achieve the above object, the technical scheme is to design a kind of ejecting mechanism of thin-wall product injection mold,
Including upper cores, lower mode, push plate, ejector sleeve, oblique top and ejector retainner plate, the push plate is arranged between upper cores and lower mode, and
Push plate, upper cores and lower mode surround the type chamber for shaped article；The lower section of lower mode, the department is arranged in the ejector retainner plate
The lower end of cylinder is connected to ejector retainner plate, and the upper end of the ejector sleeve protrudes into the type chamber and corresponds to the bottom of product, under the oblique top
End is connected to ejector retainner plate, and the upper end of the oblique top protrudes into the type chamber and corresponds to the inside of product；The oblique top include angle ejector rod,
Oblique top head and button bit form pin, and the oblique top head has opposite glue plane and guide surface, and the glue plane is towards product
Inner edge surface, the lower mode are equipped with oblique surface and the acting surface above oblique surface, and the oblique surface is bonded with guide surface,
The acting surface includes the first perpendicular and the second perpendicular below the first perpendicular, and is connected to first
Intermediate incline between perpendicular and the second perpendicular；The guide surface is equipped with groove, is equipped with fixed block, institute in the groove
State button bit molding pin and the inside of oblique top head be set, one end of button bit molding pin is connect with fixed block, and the button bit at
The other end of type pin passes through the glue plane and protrudes into type chamber, and the inside of the oblique top head is equipped with two bullets being connected to groove
Needle mounting groove, this two play the two sides up and down that needle mounting groove is located at button bit molding pin, and in this two bullet needle mounting grooves
It is equipped with and plays needle and reset spring, the bullet needle is equipped with baffle ring, and the reset spring is located at side of the baffle ring far from groove, should
One end of reset spring is butted on baffle ring, and the other end of the reset spring is butted on the inner wall for playing needle mounting groove, is located at button bit and forms
The inner edge face contact of oblique top head and product is run through in one end of the bullet needle on the upside of pin, and the other end of the bullet needle runs through fixed block
It is contacted with the first perpendicular, the inner edge of oblique top head and product is run through in one end of the bullet needle on the downside of button bit molding pin
The other end of face contact, the bullet needle is contacted through fixed block with the second perpendicular.
Preferably, the described one end of needle far from product that plays is spherical.
Preferably, the reset spring is sleeved on the outside for playing needle.
Preferably, the oblique top head and fixed block are equipped with the perforative slide opening of ammunition feed needle.
The operation principle of the present invention is that: when injection mold is opened, product uplink a distance is first driven by push plate, completes one
Then secondary ejection drives ejector sleeve and oblique top uplink by ejector retainner plate, is jointly ejected product by ejector sleeve and oblique top；It is produced in lifter ejection
During product, oblique top head will be promoted obliquely under the guidance of the oblique surface of lower mode along certain angle, and promote
In the process, two bullet needles will withstand product under the action of the first perpendicular and the second perpendicular respectively, and drive product
It moves up, while reset spring is compressed, when two bullet needles are detached from the first perpendicular and the second perpendicular respectively,
Two bullet needles will reset and be detached from product under the effect of the elastic restoring force of reset spring, and button bit molding pin will be disengaged from producing
Product back-off, product are ejected completely.
The invention has the benefit that a kind of ejecting mechanism of thin-wall product injection mold is provided, and it is structurally reasonable, it is convenient
The ejection of thin-wall product is conducive to the production efficiency for improving mold.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Schematic diagram when Fig. 2 is ejecting push plate in the present invention.
Fig. 3 is schematic diagram of the oblique top in mold clamping in the present invention.
Fig. 4 is schematic diagram of the oblique top in the state of ejection in the present invention.
Fig. 5 is schematic diagram of the oblique top when completing ejection in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
The technical solution that the present invention embodies is:
As shown in Figures 1 to 5, a kind of ejecting mechanism of thin-wall product injection mold, including upper cores, lower mode 1, push plate 2, department
Cylinder 3, oblique top 4 and ejector retainner plate 5, the push plate 2 is arranged between upper cores and lower mode 1, and push plate 2, upper cores and lower mode 1
Surround the type chamber for shaped article 6；The lower section of lower mode 1 is arranged in the ejector retainner plate 5, and the lower end of the ejector sleeve 3 is connected to
Ejector retainner plate 5, the upper end of the ejector sleeve 5 protrude into the type chamber and correspond to the bottom of product 6, and the lower end of the oblique top 4 is connected to top
Needle plate 5, the upper end of the oblique top 4 protrude into the type chamber and correspond to the inside of product 6；The oblique top 4 includes angle ejector rod, oblique top head
41 and button bit form pin 42, the oblique top head 41 have opposite glue plane 411 and guide surface 412,411 face of glue plane
To the inner edge surface of product 6, the lower mode 1 is equipped with oblique surface 11 and the acting surface above oblique surface 11, described tiltedly to lead
Face 11 is bonded with guide surface 412, and the acting surface includes the first perpendicular 12 and positioned at the of the lower section of the first perpendicular 12
Two perpendiculars 13, and the intermediate incline 14 being connected between the first perpendicular 12 and the second perpendicular 13；It is described to lead
It is equipped with groove to face 412, fixed block 7 is equipped in the groove, the inside of oblique top head 41 is arranged in the button bit molding pin 42, should
One end of button bit molding pin 42 is connect with fixed block 7, and the other end of button bit molding pin 42 passes through the glue plane 411
And type chamber is protruded into, the inside of the oblique top head 41 is equipped with two bullet needle mounting grooves 413 being connected to groove, this two bullet needle installations
Slot 413 is located at the two sides up and down of button bit molding pin 42, and is equipped in this two bullet needle mounting grooves 413 and plays needle 8 and answer
Position spring 9, the bullet needle 8 are equipped with baffle ring 81, and the reset spring 9 is located at side of the baffle ring 81 far from groove, the reset bullet
One end of spring 9 is butted on baffle ring 81, and the other end of the reset spring 9 is butted on the inner wall for playing needle mounting groove 413, is located at button bit and forms
The inner edge face contact of oblique top head 41 and product 6 is run through in one end of the bullet needle 8 of 42 upside of pin, and the other end of the bullet needle 8 passes through
It wears fixed block 7 to contact with the first perpendicular 12, oblique top is run through in one end positioned at the bullet needle 8 of 42 downside of button bit molding pin
First 41 contact through fixed block 7 with the second perpendicular 13 with the inner edge face contact of product 6, the other end of the bullet needle 8.
The one end of above-mentioned bullet needle 8 far from product 6 is spherical.
Above-mentioned reset spring 9 is sleeved on the outside for playing needle 8.
Above-mentioned oblique top head 41 and fixed block 7 are equipped with the perforative slide opening of ammunition feed needle 8.
The operation principle of the present invention is that: when injection mold is opened, 6 uplink a distance of product is first driven by push plate 2, is completed
Primary ejection, then drives ejector sleeve 3 and 4 uplink of oblique top by ejector retainner plate 5, is jointly ejected product 6 by ejector sleeve 3 and oblique top 4；Oblique
During pushing up 4 ejecting products 6, oblique top head 41 by under the guidance of the oblique surface 11 of lower mode 1 along certain angle obliquely
It promotes, and in progradation, two bullet needles 8 will be respectively under the action of the first perpendicular 12 and the second perpendicular 13
Product 6 is withstood, and product 6 is driven to move up, while reset spring 9 is compressed, is erected until two bullet needles 8 are detached from first respectively
When straight plane 12 and the second perpendicular 13, two bullet needles 8 will be resetted and be detached under the effect of the elastic restoring force of reset spring 9
Product 6, and button bit molding pin 42 will be disengaged from the back-off of product 6, and product 6 is ejected completely.
The invention has the benefit that a kind of ejecting mechanism of thin-wall product injection mold is provided, and it is structurally reasonable, it is convenient
The ejection of thin-wall product 6 is conducive to the production efficiency for improving mold.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of ejecting mechanism of thin-wall product injection mold, which is characterized in that including upper cores, lower mode, push plate, ejector sleeve,
Oblique top and ejector retainner plate, the push plate are arranged between upper cores and lower mode, and push plate, upper cores and lower mode surround at
The type chamber of type product；The lower section of lower mode is arranged in the ejector retainner plate, and the lower end of the ejector sleeve is connected to ejector retainner plate, the ejector sleeve
Upper end protrudes into the type chamber and corresponds to the bottom of product, and the lower end of the oblique top is connected to ejector retainner plate, and the upper end of the oblique top is stretched
Enter the type chamber and corresponds to the inside of product；The oblique top includes angle ejector rod, oblique top head and button bit molding pin, the oblique top
Head have opposite glue plane and guide surface, the inner edge surface of the glue plane towards product, the lower mode be equipped with oblique surface with
And the acting surface above oblique surface, the oblique surface are bonded with guide surface, the acting surface include the first perpendicular and
The second perpendicular below the first perpendicular, and be connected between the first perpendicular and the second perpendicular
Intermediate incline；The guide surface is equipped with groove, and fixed block is equipped in the groove, and oblique top head is arranged in the button bit molding pin
One end of inside, button bit molding pin is connect with fixed block, and the other end of button bit molding pin passes through the glue plane
And type chamber is protruded into, the inside of the oblique top head is equipped with two bullet needle mounting grooves being connected to groove, this two bullet needle mounting grooves point
Not Wei Yu button bit molding pin two sides up and down, and bullet needle and reset spring, the bullet are equipped in this two bullets needle mounting grooves
Needle is equipped with baffle ring, and the reset spring is located at side of the baffle ring far from groove, and one end of the reset spring is butted on baffle ring, and should
The other end of reset spring is butted on the inner wall for playing needle mounting groove, and one end of the bullet needle on the upside of button bit molding pin is run through
The other end of the inner edge face contact of oblique top head and product, the bullet needle is contacted through fixed block with the first perpendicular, is located at button bit
The inner edge face contact of oblique top head and product is run through in the one end for forming the bullet needle on the downside of pin, and the other end of the bullet needle is through solid
Determine block to contact with the second perpendicular.
2. the ejecting mechanism of thin-wall product injection mold according to claim 1, which is characterized in that the bullet needle is far from production
One end of product is spherical.
3. the ejecting mechanism of thin-wall product injection mold according to claim 2, which is characterized in that the reseting spring sleeve
Mounted in the outside for playing needle.
4. the ejecting mechanism of thin-wall product injection mold according to claim 3, which is characterized in that the oblique top head and solid
Determine block and is equipped with the perforative slide opening of ammunition feed needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618221.8A CN110202755A (en) | 2019-07-10 | 2019-07-10 | A kind of ejecting mechanism of thin-wall product injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618221.8A CN110202755A (en) | 2019-07-10 | 2019-07-10 | A kind of ejecting mechanism of thin-wall product injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110202755A true CN110202755A (en) | 2019-09-06 |
Family
ID=67796943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618221.8A Withdrawn CN110202755A (en) | 2019-07-10 | 2019-07-10 | A kind of ejecting mechanism of thin-wall product injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110202755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900963A (en) * | 2019-10-11 | 2020-03-24 | 宇龙计算机通信科技(深圳)有限公司 | Injection mold |
-
2019
- 2019-07-10 CN CN201910618221.8A patent/CN110202755A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900963A (en) * | 2019-10-11 | 2020-03-24 | 宇龙计算机通信科技(深圳)有限公司 | Injection mold |
| CN110900963B (en) * | 2019-10-11 | 2022-06-07 | 宇龙计算机通信科技(深圳)有限公司 | Injection mold |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190906 |
|
| WW01 | Invention patent application withdrawn after publication |