CN202781728U - Injection mould ejector with continuously-variable ejecting distance - Google Patents
Injection mould ejector with continuously-variable ejecting distance Download PDFInfo
- Publication number
- CN202781728U CN202781728U CN 201220463312 CN201220463312U CN202781728U CN 202781728 U CN202781728 U CN 202781728U CN 201220463312 CN201220463312 CN 201220463312 CN 201220463312 U CN201220463312 U CN 201220463312U CN 202781728 U CN202781728 U CN 202781728U
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- China
- Prior art keywords
- ejector
- slide block
- wedge
- mentioned
- thimble
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- Expired - Fee Related
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Abstract
The utility model discloses an injection mould ejector with continuously-variable ejecting distance. The injection mould ejector is characterized by comprising a wedge-shaped slide block, slide rails, ejector pin plates and slide block return springs, wherein the slide rails and the ejector pin plates are respectively arranged on two sides of the wedge-shaped slide block; ejector pins are fixed on the front surfaces of the ejector pin plates; ejector pin return springs are arranged on the ejector pins in a sleeving manner; inclined surfaces are formed on the back surfaces of the ejector pin plates; the inclined surfaces are in contact with the wedge-shaped slide block and slide relative to the wedge-shaped slide block; and the number of the ejector pins in the ejector pin return springs is not less than two. The injection mould ejector with continuously-variable ejecting distance has the benefits that the ejector pin plates with the ejector pins slide on the wedge-shaped slide block; the distance of the ejector pins ejecting out a product can be continuously varied, so that the demand on different ejecting degrees can be met; the ejector pin return springs are arranged on the ejector pins in the sleeving manner, therefore, the assistance is provided to the ejector pin plates to smoothly return, and the direct sleeving manner is adopted for saving unnecessary parts, which brings the convenience for installing; and the slide block return springs are connected to the top end of the wedge-shaped slide block, and thereby assistance is provided for returning the wedge-shaped slide block.
Description
Technical field
The utility model relates to a kind of liftout attachment of injection mold, but is specifically related to a kind of distance continually varying injection mould ejection device that ejects.
Background technology
Injection mold generally comprises male model plate, caster, male die core and mother module core.In the forming process, male model plate, male die core and mother module core and caster are closed, form die cavity, injection machine is injected the plastic cement of molten state in the mould by nozzle, the plastic cement of molten state enters die cavity through running gate system, then enters cooling stage through packing stage, after the goods cooling in the die cavity, the curing, male die core is separated with mother module core and caster with the male model plate, and goods are separated in die cavity.
Along with the raising of scientific and technological level, people are also more strict to the requirement of product appearance quality.More existing injection molds are when die sinking, and moulding is adsorbed on template or the die easily, cause some thin-walled parts such as moulding flexural deformation, particularly notebook computer casing.Because its length or width dimensions are larger, and wall thickness is thinner, so intensity is relatively poor, when die sinking, the edge of injecting products very easily is adsorbed on the male model plate, causes the moulding distortion, thereby has affected the quality of product.
The utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of liftout attachment of injection mold, and it ejects apart from changing continuously, and this liftout attachment not only can reduce the distortion that moulding produces when die sinking, and can satisfy the needs that difference ejects degree.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
But eject distance continually varying injection mould ejection device, it is characterized in that, comprising: wedge block is separately positioned on slide rail, the ejector retainner plate of above-mentioned wedge block both sides; Above-mentioned wedge block slides at slide rail; The front of above-mentioned ejector retainner plate is fixed with thimble, is arranged with the thimble return spring on the above-mentioned thimble; The reverse side of above-mentioned ejector retainner plate is formed with the inclined-plane, and the inclined-plane contacts with wedge block, and along the wedge block relative sliding.
But the aforesaid distance continually varying injection mould ejection device that ejects is characterized in that be provided with scale on the above-mentioned wedge block, above-mentioned scale is corresponding with the distance that thimble ejects.
But the aforesaid distance continually varying injection mould ejection device that ejects is characterized in that the number of thimble in the above-mentioned thimble return spring 〉=2.
But the aforesaid distance continually varying injection mould ejection device that ejects is characterized in that, also comprises: the slide block return spring, with the vertically disposed fixed head of above-mentioned slide rail; The two ends of above-mentioned slide block return spring are fixedly connected on respectively on the tip and fixed head of wedge block.
Usefulness of the present utility model is: the top board with thimble slides at wedge block, and the distance of thimble ejecting product can change continuously, has satisfied the different needs that eject degree; Be arranged with the thimble return spring on the thimble, help the smooth return of ejector retainner plate, and directly sheathedly saved unnecessary part, be convenient to install; The tip of wedge block is connected with the slide block return spring, can assist the wedge block return.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of liftout attachment of the present utility model;
The implication of Reference numeral among the figure:
The 1-wedge block, 2-slide rail, 3-ejector retainner plate, 4-thimble, 5-thimble return spring, 6-slide block return spring, 7-fixed head, 8-inclined-plane.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done concrete introduction.
With reference to Fig. 1, but the distance continually varying injection mould ejection device that ejects of the present utility model comprises: wedge block 1 is separately positioned on slide rail 2 and the ejector retainner plate 3 of wedge block 1 both sides.Ejector retainner plate 3 is divided into positive and negative two sides, the front is fixed with thimble 4, for making product eject smoothly return of back center plate 3, be arranged with thimble return spring 5 on the thimble 4, thimble 4 can be all, also can partly be set in the thimble return spring 5, as a kind of preferred, the number of thimble return spring 5 interior thimbles 4 〉=2; The reverse side of ejector retainner plate 3 is against on the wedge block 1, relative sliding occurs with wedge block 1, for ejector retainner plate 3 is slided smoothly, stably, can suitably increase the contact area between ejector retainner plate 3 and the wedge block 1, concrete, ejector retainner plate 3 is cut an inclined-plane 8 parallel with the inclined-plane of wedge block 1 along self thickness direction, and the while can also be set up lead (not shown) at ejector retainner plate 3, accordingly offer the gathering sill that cooperates with lead at the male model plate, in order to guide the movement of ejector retainner plate 3.
As a kind of preferred scheme, be provided with scale on the wedge block 1, this scale is corresponding with the distance that thimble 4 ejects.For different dies or product, the distance that need to eject can be different, can more convenient operator use by the scale that is arranged on the wedge block 1.
As a kind of preferred scheme, liftout attachment of the present utility model also comprises: slide block return spring 6 and fixed head 7.Fixed head 7 and slide rail 2 vertical settings are used for a fixedly end of slide block return spring 6, and the other end of slide block return spring 6 is fixedly connected on the tip of wedge block 1.Slide block return spring 6 can be assisted wedge block 1 return.
With reference to Fig. 1, the course of work of the present utility model is: wedge block 1 slides to the right on slide rail 2, then ejector retainner plate 3 relative wedge blocks 1 slide, be specially and move up, thimble 4 moves up the product ejection die thereupon, and then wedge block 1 slides left and withdraws from, under the elastic force effect of thimble return spring 5 and under the Action of Gravity Field, ejector retainner plate 3 drives thimble 4 and falls back to original position, and whole ejection process finishes.
Need to prove that liftout attachment of the present utility model is not limited to the described horizontal positioned of Fig. 1, it can also be vertical placement, is specially slide rail 2 and is vertical placement, and ejector retainner plate 3 along continuous straight runs move.
Above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in the protection domain of the present utility model.
Claims (4)
1. but eject distance continually varying injection mould ejection device, it is characterized in that, comprising: wedge block is separately positioned on slide rail, the ejector retainner plate of above-mentioned wedge block both sides; Above-mentioned wedge block slides at slide rail; The front of above-mentioned ejector retainner plate is fixed with thimble, is arranged with the thimble return spring on the above-mentioned thimble; The reverse side of above-mentioned ejector retainner plate is formed with the inclined-plane, and the inclined-plane contacts with wedge block, and along the wedge block relative sliding.
2. but the distance continually varying injection mould ejection device that ejects according to claim 1 is characterized in that be provided with scale on the above-mentioned wedge block, above-mentioned scale is corresponding with the distance that thimble ejects.
3. but the distance continually varying injection mould ejection device that ejects according to claim 1 is characterized in that the number of thimble in the above-mentioned thimble return spring 〉=2.
4. but according to claim 1 to the described distance continually varying injection mould ejection device that ejects of 3 any one claims, it is characterized in that, also comprise: the slide block return spring, with the vertically disposed fixed head of above-mentioned slide rail; The two ends of above-mentioned slide block return spring are fixedly connected on respectively on the tip and fixed head of wedge block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220463312 CN202781728U (en) | 2012-09-12 | 2012-09-12 | Injection mould ejector with continuously-variable ejecting distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220463312 CN202781728U (en) | 2012-09-12 | 2012-09-12 | Injection mould ejector with continuously-variable ejecting distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202781728U true CN202781728U (en) | 2013-03-13 |
Family
ID=47809057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220463312 Expired - Fee Related CN202781728U (en) | 2012-09-12 | 2012-09-12 | Injection mould ejector with continuously-variable ejecting distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202781728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825739A (en) * | 2012-09-12 | 2012-12-19 | 晟扬精密模具（昆山）有限公司 | Injection mould ejecting device with continuously-changeable ejecting distance |
| CN117464937A (en) * | 2023-12-27 | 2024-01-30 | 宁波兴利汽车模具有限公司 | Pouring gate in-mold cutting mechanism and injection mold using same |
-
2012
- 2012-09-12 CN CN 201220463312 patent/CN202781728U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825739A (en) * | 2012-09-12 | 2012-12-19 | 晟扬精密模具（昆山）有限公司 | Injection mould ejecting device with continuously-changeable ejecting distance |
| CN117464937A (en) * | 2023-12-27 | 2024-01-30 | 宁波兴利汽车模具有限公司 | Pouring gate in-mold cutting mechanism and injection mold using same |
| CN117464937B (en) * | 2023-12-27 | 2024-04-05 | 宁波兴利汽车模具有限公司 | Pouring gate in-mold cutting mechanism and injection mold using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130912 |