CN205310723U - Runner draws automatic ejection mechanism of material - Google Patents
Runner draws automatic ejection mechanism of material Download PDFInfo
- Publication number
- CN205310723U CN205310723U CN201620034722.3U CN201620034722U CN205310723U CN 205310723 U CN205310723 U CN 205310723U CN 201620034722 U CN201620034722 U CN 201620034722U CN 205310723 U CN205310723 U CN 205310723U
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- CN
- China
- Prior art keywords
- ejector sleeve
- department
- thimble
- section
- thick bamboo
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Abstract
The utility model discloses a runner draws automatic ejection mechanism of material, this runner draws automatic ejection mechanism of material include a department's section of thick bamboo and a department interior needle should include cup head and needle body by the interior needle of department's section of thick bamboo: this department's section of thick bamboo and ejection bottom plate fixed connection, and run through thimble fixed plate and ejection bottom plate along the ejection bottom plate direction of motion, under the compound die state, this department's section of thick bamboo one end contacts with the product, and the other end contacts with the cup head, the needle body is located this department section of thick bamboo, an one end and the first fixed connection of cup, and other end salient in this department's section of thick bamboo draws material portion for this thimble, the cup head is located in the lower yard template, and can move along the ejection bottom plate direction of motion in this lower yard template, when department's section of thick bamboo and product contact one end and reach or surpass this injection mold's die sinking face, this lower yard template plays spacingly the effect of cup head motion distance. The needle takes off by department's section of thick bamboo sizing material ejecting back in the department section of thick bamboo with this sizing material top, has realized full automated production.
Description
Technical field
The utility model relates to mould manufacturing field, and the runner being specifically related to a kind of flexible glue material draws material automatically to change liftout attachment.
Background technology
Mould main flow road draw material portion to be typically designed to Z-shaped or back-off form to draw material hook, when but if product material is softer material, it is inadequate power with general Z hook or back-off, because flexible glue elasticity is fine, there is very big deformation space, slightly extrude and pin or back-off will be drawn to depart from from Z hook.
In this kind of situation, when product material is flexible glue, for ensureing that die sinking process material does not come off, the many employings one in material portion are drawn to enclose or multi-ring annular groove structure, and totally-enclosed after drawing material portion to fill with glue; Now product or gate materials are removed owing to not having deformation space to be then not easy the demoulding, according to forced stripper mechanism structure, have and eject distortion or push up the phenomenon worn, cannot the demoulding smoothly.
In view of this, it is necessary to a kind of runner of exploitation draws material automatic ejecting mechanism, so that flexible glue series products or gate materials draw the smooth demoulding in material portion by totally-enclosed.
Practical novel content
The utility model aims to provide a kind of runner and draws material automatic ejecting mechanism, and to solve the problem that existing totally enclosed back-off draws the demoulding of material portion not smooth, concrete scheme is as follows:
A kind of runner draws material automatic ejecting mechanism, draws the fixing of material for injection moulding die casting mouth sizing material or runner and ejects, and this mould comprises lower code mask, thimble base plate, thimble retaining plate and male template; This runner draws material automatic ejecting mechanism to comprise pin in an ejector sleeve and an ejector sleeve, and in this ejector sleeve, pin comprises cup head and pin body:
This ejector sleeve is fixedly connected with thimble base plate, and runs through thimble retaining plate and thimble base plate along thimble base plate direction of motion;
Under closing mould state, this ejector sleeve one end contacts with product, and the other end contacts with cup head; Described pin body is positioned at this ejector sleeve, and one end is fixedly connected with cup head, and the other end protrudes from this ejector sleeve, draws material portion for this thimble;
Described cup head is located in described lower code mask, and can move along thimble base plate direction of motion in this lower code mask;
When the described ejector sleeve one end that contacts with product reaches or exceeds the die sinking face of this injection mold, this lower code mask plays the effect of spacing described cup head move distance.
Further, described ejector sleeve comprises concentric, with first ejector sleeve in aperture and the 2nd ejector sleeve; Described first ejector sleeve one end is fixedly connected with thimble plate, and the other end contacts with product, and described 2nd ejector sleeve one end is connected with thimble base plate, and the other end contacts with cup head.
Compared to prior art, runner of the present utility model draws material automatic ejecting mechanism, can strain gate materials or runner draws material during die sinking, and ejection phase can make flexible glue series products draw the smooth demoulding in material portion by closure.
Accompanying drawing explanation
Fig. 1 shows the utility model angles of product one structure iron;
Fig. 2 shows Fig. 1 angles of product two structure iron;
Fig. 3 shows runner of the present utility model and draws material automatic ejecting mechanism to close mould view;
Fig. 4 shows runner of the present utility model and draws material automatic ejecting mechanism gate materials to eject view;
Fig. 5 shows runner of the present utility model and draws material automatic ejecting mechanism gate materials to come off view;
Embodiment
For each embodiment is described further, the utility model provides accompanying drawing. These accompanying drawings are a part for the utility model disclosure, and it is mainly in order to illustrate embodiment, and the associated description of specification sheets can be coordinated to explain the operation principles of embodiment. Coordinating with reference to these contents, those of ordinary skill in the art will be understood that other possible enforcement modes and advantage of the present utility model. Assembly in figure not drawn on scale, and similar element numbers is commonly used to represent similar assembly.
Now with embodiment, the utility model is illustrated further by reference to the accompanying drawings.
As shown in Figure 1 and Figure 2, product 1 is made up of the flexible glue material being easily out of shape, and the lower end in main flow road is provided with back-off 11, and die sinking process back-off 11 plays the effect in fixing main flow road. Owing to the sizing material material of product 1 is softer, common back-off or Z word overhead kick cannot strain back-off 11.
Composition graphs 3 again, be shaped this back-off 11 by drawing material portion 421 to be shaped, this draws material portion 421 to offer two ring shape back-off grooves, therefore back-off 11 correspondence is formed with circle shape back-off structure, what make the complete coating mould of this back-off 11 draws material bilge construction, achieving die sinking process back-off 11 by male model type core 25 around coated, the deformation space making this back-off 11 is zero substantially, it is achieved that draw the effect of material portion 421 this back-off 11 of compact siro spinning technology.
As shown in Figure 3, this injection mold includes lower code mask 21, thimble base plate 22, thimble retaining plate 23 and male template 24 successively, and male model type core 25 is fixed in male template 24.
This runner draws material automatic ejecting mechanism to comprise the ejector sleeve being made up of the first ejector sleeve 31 and the 2nd ejector sleeve 32, the fixing portion of this first ejector sleeve 31 relatively contacts with the fixing portion of the 2nd ejector sleeve 32 and is fixed on thimble base plate 22 by thimble retaining plate 23, and first, second ejector sleeve can be moved with the motion of thimble base plate 22. 2nd ejector sleeve 32 runs through thimble base plate 22 and lower code mask 21 successively, and this first ejector sleeve 31 embeds male model type core 25 after running through thimble retaining plate 23, male template 24 successively and connects with sprue channel. In this ejector sleeve, the pin body 42 of pin runs through the 2nd ejector sleeve 32 and the first ejector sleeve 31 successively, and in ejector sleeve, pin is made up of cup 41 and the pin body 42 that is connected on this glass 41.
As shown in Figure 3, closing under mould state, by, on die sinking face to lower code mask 21 direction, one end of this first ejector sleeve 31 contacts with product, and pin body 42 draw one end that material portion 421 protrudes from this first ejector sleeve 31 and contact with product.In this embodiment, material portion 421 is drawn to offer two ring annular grooves, as the effect of shaping back-off 11; One end of 2nd ejector sleeve 32 contacts with the cup 41 of ejector sleeve pin, and makes this cup 41 compress lower code mask 21, it is achieved fixing pin in this ejector sleeve.
By this Fig. 3 it will be seen that close the product contact end that the drop-down material portion 421 of mould state protrudes from the first ejector sleeve 31, and it is embedded in the runner of male model type core 25. In injection moulding process, completely coated this of sizing material draws material portion 421 and shaping and fill this completely and draw material portion 421 peripheral space to form back-off 11, due to back-off 11 herein deformation space be zero substantially, it is achieved that fixing to product 1 and gate materials.
Composition graphs 4 again, in knockout course, thimble base plate 22 promotes the de-material direction motion of the first ejector sleeve 31, the 2nd ejector sleeve 32 phase, and now in ejector sleeve, pin also moves in the same way with the first ejector sleeve 31 under the effect of back-off 11. Owing to lower code mask 21 having offered groove structure, this glass 41 can be made to do the to-and-fro movement of limited travel in this groove, material portion 421 is drawn to be pushed out in the outer process in die sinking face by conjunction position, mould position, this cup 41 can move in the lump with thimble base plate, it is achieved that is pushed out to outside male model type core 25 by back-off 11 structure; When drawing material portion 421 to exit outside male model type core 25 completely, cup 41 arrives the bottom of the groove structure in lower template 21.
As shown in Figure 5, further knockout course, thimble base plate 22 moves to male template 24 further until thimble retaining plate 23 contacts with male template 24, and now cup 41 is always spacing by lower code mask 21 institute, causes pin in ejector sleeve to stop motion, first ejector sleeve 31 continues to advance to die sinking direction under the effect of thimble base plate 22, making back-off 11 structure by drawing material portion 421 demoulding, now back-off 11 is in outside male model type core 25, is out of shape unrestricted, the smooth demoulding can be realized, it is achieved that product automation is produced.
Resetting it should be appreciated that close thimble base plate 22 in mould process, cup 41 is resetted by the 2nd ejector sleeve 32 under the effect of thimble base plate, makes pin in ejector sleeve return back to state shown in Fig. 3, produces to enter next forming period.
It should be appreciated that ejector sleeve is made up of the first ejector sleeve 31 and the 2nd ejector sleeve 32 in this embodiment, in actual production, this first ejector sleeve 31 and the 2nd ejector sleeve 32 can be integral structures, can reach the purpose of this utility model equally.
Although specifically showing in conjunction with preferred embodiment and describing the utility model; but the technician of art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; the utility model can be made a variety of changes in the form and details, be protection domain of the present utility model.
Claims (2)
1. runner draws a material automatic ejecting mechanism, draws the fixing of material for flow channel of injection die and ejects, and this mould comprises lower code mask, thimble base plate, thimble retaining plate and male template; It is characterized in that: this runner draws material automatic ejecting mechanism to comprise pin in an ejector sleeve and an ejector sleeve, and in this ejector sleeve, pin comprises cup head and pin body:
This ejector sleeve is fixedly connected with thimble base plate, and runs through thimble retaining plate and thimble base plate along thimble base plate direction of motion;
Under closing mould state, this ejector sleeve one end contacts with product, and the other end contacts with cup head; Described pin body is positioned at this ejector sleeve, and one end is fixedly connected with cup head, and the other end protrudes from this ejector sleeve, draws material portion for this thimble;
Described cup head is located in described lower code mask, and can move along thimble base plate direction of motion in this lower code mask;
When the described ejector sleeve one end that contacts with product reaches or exceeds the die sinking face of this injection mold, this lower code mask plays the effect of spacing described cup head move distance.
2. runner according to claim 1 draws material automatic ejecting mechanism, it is characterised in that: described ejector sleeve comprises the first ejector sleeve and the 2nd ejector sleeve; Described first ejector sleeve one end is fixedly connected with thimble plate, and the other end contacts with product, and described 2nd ejector sleeve one end is connected with thimble base plate, and the other end contacts with cup head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034722.3U CN205310723U (en) | 2016-01-14 | 2016-01-14 | Runner draws automatic ejection mechanism of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034722.3U CN205310723U (en) | 2016-01-14 | 2016-01-14 | Runner draws automatic ejection mechanism of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205310723U true CN205310723U (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620034722.3U Active CN205310723U (en) | 2016-01-14 | 2016-01-14 | Runner draws automatic ejection mechanism of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205310723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626249A (en) * | 2016-11-18 | 2017-05-10 | 深圳天珑无线科技有限公司 | Mould component and grabbing pin thereof |
-
2016
- 2016-01-14 CN CN201620034722.3U patent/CN205310723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626249A (en) * | 2016-11-18 | 2017-05-10 | 深圳天珑无线科技有限公司 | Mould component and grabbing pin thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |