CN203792646U - Whole-circle backoff demoulding mechanism - Google Patents
Whole-circle backoff demoulding mechanism Download PDFInfo
- Publication number
- CN203792646U CN203792646U CN201420117549.4U CN201420117549U CN203792646U CN 203792646 U CN203792646 U CN 203792646U CN 201420117549 U CN201420117549 U CN 201420117549U CN 203792646 U CN203792646 U CN 203792646U
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- Prior art keywords
- inclined guide
- guide groove
- pellet
- backoff
- circle
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- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 239000008188 pellet Substances 0.000 claims description 46
- 230000013011 mating Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model provides a whole-circle backoff demoulding mechanism. The whole-circle backoff demoulding mechanism comprises a core block pull rod, wherein the core block pull rod is sleeved with a fixed sleeve; the circumference of the top of the core block pull rod is provided with multiple inclined guiding grooves, wherein the inclined directions of the inclined guiding grooves are inclined from top to bottom and from inside to outside, and each inclined guiding groove is internally provided with a core block in a sliding manner; the inner sides of the core blocks are guiding inclined surfaces matched with the inclined guiding grooves, external molded surfaces of the core blocks can form a round flange step together, and the round flange step is coincided with an internal molded surface of a product back-off part. The whole-circle backoff demoulding mechanism provided by the utility model has the advantages that the structure is simple, the core block pull rod downward moves to drive the core block to do a circular movement, and a backoff can be demoulded; the inclined guiding grooves are set into two different slopes, two corresponding core blocks have different routes, the sizes of flanges formed by the external molded surfaces of the core blocks are further reduced, so that the whole-circle backoff demoulding mechanism is beneficial to smoothly demoulding, and the purposes that the production efficiency is improved, the cost is reduced, and an accident potential is eliminated are achieved.
Description
Technical field
The present invention relates to injection mold field, relate in particular to a kind of mould emptier for goods with circular back-off structure.
Background technology
In the time of injecting products, some plastic product need to be at its circular hole place or side-walls mold back-off structure for coordinating with other products.The injection mold that is generally used for the product that is manufactured with back-off structure all has pellet, and the Main Function that pellet plays is in the time of moulding, to mold back-off and in the time of the demoulding, deviate from back-off.But injection mold of the prior art exists the defect that cannot directly make the complete demoulding of product.
Utility model content
Technical problem to be solved in the utility model is exactly for above shortcomings in prior art, provides a kind of wholecircle reverse buckle demolding mechanism, for solving the problems of the prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of wholecircle reverse buckle demolding mechanism, comprise pellet pull bar, on described pellet pull bar, be arranged with a fixed cover, described pellet pull bar top is circumferentially with multiple inclined guide grooves, the oblique inclination from inside to outside from top to bottom of described inclined guide groove, in each described inclined guide groove, all slide and be provided with a pellet, described pellet inner side is the guiding surface mating with described inclined guide groove, the outer profile of all described pellets is configured to a round flange step jointly, the inner profile at described round flange step and goods back-off position coincide.
Further, described inclined guide groove comprises the first inclined guide groove and the second inclined guide groove, in described the first inclined guide groove, the first pellet is set, in described the second inclined guide groove, the second pellet is set, described the first inclined guide groove and the second inclined guide groove interval arrange, and the gradient of described the first inclined guide groove is greater than the gradient of the second inclined guide groove.
Further, the gradient of described the first inclined guide groove than the gradient of the second inclined guide groove greatly twice.
Further, described inclined guide groove is T-slot.
By above technical scheme, the utility model has following technique effect compared to prior art: this mechanism is simple in structure, when pellet pull bar moves downward, drives pellet to move to the center of circle, the back-off demoulding smoothly.And inclined guide groove is set to two kinds of different gradients, two kinds of corresponding pellets also have different strokes, further dwindle the flange size that pellet outer profile forms, be more conducive to the smooth demoulding, reach the object of enhancing productivity, reduce costs, eliminate accident potential.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model original state;
Fig. 2 is Fig. 1 front view;
Fig. 3 is Fig. 2 top view;
Fig. 4 is the structural representation of pellet pull bar;
Fig. 5 is the structural representation of the first pellet;
Fig. 6 is the structural representation of the second pellet.
Element numbers explanation:
1 pellet pull bar
11 inclined guide grooves
2 fixed covers
3 pellets
31 first pellets
32 second pellets
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this description.
Refer to Fig. 1 to Fig. 6.Notice, appended graphic the illustrated structure of this description, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
Consult shown in Fig. 1, be shown as the structural representation of the utility model wholecircle reverse buckle demolding mechanism original state, comprise pellet pull bar 1, on pellet pull bar 1, be arranged with a fixed cover 2, pellet pull bar 1 top is circumferentially with multiple inclined guide grooves 11, inclined guide groove 11 is preferably T-slot (shown in Fig. 4), the oblique inclination from inside to outside from top to bottom of inclined guide groove, in each inclined guide groove, all slide and be provided with shown in a pellet 3(Fig. 2), the guiding surface of pellet inner side for mating with inclined guide groove 11, the outer profile of all pellets is configured to a round flange step (shown in Fig. 3) jointly, the inner profile at round flange step and goods back-off position coincide.Pellet pull bar 1 moves downward under the drive of die cylinder, because the oblique setting of inclined guide groove 11, so move to the center of circle when pellet slides along inclined guide groove, the round flange stepped diameters that pellet outer profile forms is dwindled, and makes the back-off demoulding smoothly simultaneously.
As further improvement of the utility model, inclined guide groove is set to the first inclined guide groove and second inclined guide groove of two kinds of different gradients, the first inclined guide groove and the second inclined guide groove interval arrange, in described the first inclined guide groove, correspondence arranges shown in first pellet 31(Fig. 5), in described the second inclined guide groove, correspondence arranges shown in second pellet 21(Fig. 6), the guiding surface of two kinds of pellets mates with the gradient of corresponding inclined guide groove, in the present embodiment, the gradient of the first inclined guide groove is for being 12 degree, and the gradient of the second inclined guide groove is ten degree.When pellet pull bar moves downward, the first pellet 31 is to center of circle motion, and then the second pellet 32 lags behind to center of circle motion, and two kinds of pellets have different strokes, can further dwindle the size of the round flange step of pellet outer profile formation, are more conducive to the smooth demoulding.
In sum, the utility model wholecircle reverse buckle demolding mechanism is conducive to the smooth demoulding, reaches the object of enhancing productivity, reduce costs, eliminate accident potential.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (4)
1. a wholecircle reverse buckle demolding mechanism; comprise pellet pull bar; it is characterized in that; on described pellet pull bar, be arranged with a fixed cover; described pellet pull bar top is circumferentially with multiple inclined guide grooves; the oblique inclination from inside to outside from top to bottom of described inclined guide groove; in each described inclined guide groove, all slide and be provided with a pellet; described pellet inner side is the guiding surface mating with described inclined guide groove; the outer profile of all described pellets is configured to a round flange step jointly, and the inner profile at described round flange step and goods back-off position coincide.
2. wholecircle reverse buckle demolding mechanism according to claim 1; it is characterized in that; described inclined guide groove comprises the first inclined guide groove and the second inclined guide groove; in described the first inclined guide groove, the first pellet is set; in described the second inclined guide groove, the second pellet is set; described the first inclined guide groove and the second inclined guide groove interval arrange, and the gradient of described the first inclined guide groove is greater than the gradient of the second inclined guide groove.
3. wholecircle reverse buckle demolding mechanism according to claim 2, is characterized in that, the gradient of described the first inclined guide groove than the gradient of the second inclined guide groove greatly twice.
4. wholecircle reverse buckle demolding mechanism according to claim 1, is characterized in that, described inclined guide groove is T-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117549.4U CN203792646U (en) | 2014-03-14 | 2014-03-14 | Whole-circle backoff demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117549.4U CN203792646U (en) | 2014-03-14 | 2014-03-14 | Whole-circle backoff demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792646U true CN203792646U (en) | 2014-08-27 |
Family
ID=51374910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420117549.4U Expired - Lifetime CN203792646U (en) | 2014-03-14 | 2014-03-14 | Whole-circle backoff demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690913A (en) * | 2015-03-23 | 2015-06-10 | 中山兆鸿精密模具注塑有限公司 | Special die structure |
| CN105643879A (en) * | 2015-12-31 | 2016-06-08 | Tcl通力电子（惠州）有限公司 | Injection mold, injection molding equipment and mold opening method of injection molding equipment |
| CN106079213A (en) * | 2016-06-13 | 2016-11-09 | 东莞万德电子制品有限公司 | It is easy to the forming die for silicone key of fast demoulding |
-
2014
- 2014-03-14 CN CN201420117549.4U patent/CN203792646U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690913A (en) * | 2015-03-23 | 2015-06-10 | 中山兆鸿精密模具注塑有限公司 | Special die structure |
| CN104690913B (en) * | 2015-03-23 | 2017-07-28 | 中山兆鸿精密模具注塑有限公司 | A kind of special dies structure |
| CN105643879A (en) * | 2015-12-31 | 2016-06-08 | Tcl通力电子（惠州）有限公司 | Injection mold, injection molding equipment and mold opening method of injection molding equipment |
| CN105643879B (en) * | 2015-12-31 | 2019-05-10 | Tcl通力电子（惠州）有限公司 | Injection mold, injection molding equipment and mold opening method of injection molding equipment |
| CN106079213A (en) * | 2016-06-13 | 2016-11-09 | 东莞万德电子制品有限公司 | It is easy to the forming die for silicone key of fast demoulding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |