CN221292166U - Simplified arc guide rail demoulding mechanism - Google Patents
Simplified arc guide rail demoulding mechanism Download PDFInfo
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- CN221292166U CN221292166U CN202322786020.3U CN202322786020U CN221292166U CN 221292166 U CN221292166 U CN 221292166U CN 202322786020 U CN202322786020 U CN 202322786020U CN 221292166 U CN221292166 U CN 221292166U
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- 238000007493 shaping process Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a simplified arc guide rail demoulding mechanism, which comprises a bottom template, a first template and a second template, and is characterized in that: still include arc core pulling structure and set up in the elastic jack-out mechanism between die block board and die plate two, arc core pulling structure is including setting up core pulling seat on the die block board, setting up guide holder and the shaping spare in die plate two, be equipped with curved guide slot on the guide holder, be equipped with straight spout on the core pulling seat, be equipped with the shaping needle that is used for shaping arc hole on the shaping spare, the shaping spare is located the guide slot and with guide slot sliding fit, be equipped with the pivot on the shaping spare, the pivot is located straight spout, and this pivot can rotate in straight slide groove and with straight slide groove sliding fit, die plate one and die plate two can jack-up through elastic jack-out mechanism and with die block board separation.
Description
Technical Field
The utility model relates to an injection mold, in particular to a simplified arc guide rail demolding mechanism.
Background
The common simple arc plastic part injection molding can be directly carried out in a two-die-opening mode. If the plastic part is provided with the straight hole structure, the core pulling structure and the forming needle corresponding to the hole shape can be added on the foundation, the forming needle is pulled out of the straight hole through the core pulling structure during die opening, and then the die is completely opened to eject the product. However, the arc-shaped plastic part is provided with an arc-shaped long and thin hole, so that the forming needle is also an arc-shaped long and thin needle, and if a common core pulling structure is adopted for core pulling, the forming needle can be blocked in the long and thin hole or even broken, and the inventor designs a simplified arc-shaped guide rail demoulding mechanism to solve the problem of core pulling of the arc-shaped long and thin hole.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a simplified arc guide rail demoulding mechanism.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a simplified arc guide rail demoulding mechanism, includes die block board, template one and template two, its characterized in that: still include arc core pulling structure and set up in the elastic jack-out mechanism between die block board and die plate two, arc core pulling structure is including setting up core pulling seat on the die block board, setting up guide holder and the shaping spare in die plate two, be equipped with curved guide slot on the guide holder, be equipped with straight spout on the core pulling seat, be equipped with the shaping needle that is used for shaping arc hole on the shaping spare, the shaping spare is located the guide slot and with guide slot sliding fit, be equipped with the pivot on the shaping spare, the pivot is located straight spout, and this pivot can rotate in straight slide groove and with straight slide groove sliding fit, die plate one and die plate two can jack-up through elastic jack-out mechanism and with die block board separation.
The elastic jacking mechanism is a nitrogen spring, the bottom template is provided with a guide pillar, and the first template and the second template are respectively provided with a guide hole in sliding fit with the guide pillar.
The end of the forming piece is an arc-shaped end face.
The guide groove comprises a groove side surface, an arc-shaped groove guide surface I and an arc-shaped groove guide surface II, and the forming piece comprises an arc-shaped sliding surface I and an arc-shaped sliding surface II which correspond to each other.
The molding piece comprises a first side wall surface and a second side wall surface, wherein the first side wall surface can be contacted with the side surface of the groove, and the second side wall surface can be contacted with the seat wall surface of the core drawing seat at the side surface of the groove.
The core pulling seat comprises a base and a seat top block, a notch is arranged on the seat top block, the straight sliding groove is formed by the notch and the core pulling seat, the seat top block comprises a top block side face, and the seat wall face comprises a top block side face.
The core drawing seat is provided with a step surface, and the end part of the forming part can be contacted with the step surface.
The forming mold comprises a first mold plate, a second mold plate and a forming needle, wherein the first mold plate is provided with a first positioning surface, a forming groove penetrating through the first positioning surface is formed in the first mold plate, the forming needle is located in the forming groove, the forming member is provided with a second positioning surface capable of being abutted against the first positioning surface, and the forming needle is arranged on the second positioning surface.
The beneficial effects of the utility model are as follows: the utility model adopts the arc-shaped guide groove to guide the forming part, so that the forming part and the forming needle can rotate and slide relative to the forming groove during die sinking, and the forming needle is pulled out of the forming groove to realize the core pulling function.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is an overall view of a mold of the present utility model;
FIG. 2 is an internal structural view of the present utility model;
FIG. 3 is a view of the internal structure of the present utility model in another direction;
FIG. 4 is an exploded view of an arcuate core-pulling structure;
FIG. 5 is an overall view of an arcuate core-pulling structure;
Fig. 6 is a structural view of the guide.
Detailed Description
Advantages and features of the present disclosure, as well as methods of practicing the same, will be elucidated by the following embodiments described with reference to the accompanying drawings. This disclosure may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the disclosure is limited only by the scope of the claims.
The shapes, sizes, proportions, angles, and numbers disclosed in the drawings for describing embodiments of the present disclosure are merely examples, and thus the present disclosure is not limited to the details shown. Like reference numerals refer to like elements throughout the specification. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the gist of the present disclosure, the detailed description will be omitted. Where the terms "comprising," "having," and "including" are used in this specification, other components may be added unless the term "only" is used. Unless indicated to the contrary, singular terms may include the plural.
In interpreting the elements, although not explicitly described, the elements are understood to include the scope of error.
In describing the positional relationship, for example, when the positional relationship is described as "on … …", "above … …", "below … …", and "adjacent to … …", unless "immediately" or "directly" is used, one or more portions may be arranged between two other portions.
In describing the temporal relationship, for example, when the temporal sequence is described as "after … …", "subsequent", "next", and "before … …", unless "just" or "direct" is used, a discontinuous condition may be included.
It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.
As those skilled in the art will fully appreciate, the features of the different embodiments of the present disclosure may be partially or fully coupled or combined with each other and may cooperate and be technically driven in various ways. Embodiments of the present disclosure may be performed independently of each other or may be performed together in an interdependent relationship.
Referring to fig. 1 to 6, the utility model discloses a simplified arc guide rail demolding mechanism, which comprises a bottom mold plate 1, a first mold plate 2 and a second mold plate 3, wherein a molding insert 4 is arranged in the second mold plate 3, a molding groove II is arranged in the molding insert 4, a molding groove I is arranged in the first mold plate 2, after mold closing, the molding groove II and the molding groove I form an injection molding cavity of a product and are used for molding a plastic part 5, when the mold is opened, the first mold plate 2 and the second mold plate 3 are separated so that a thimble can eject the plastic part 5, but core pulling is needed to be carried out through an arc core pulling structure before the first mold plate 2 and the second mold plate 3 are separated, otherwise, a molding needle is embedded in the plastic part 5, so that the plastic part 5 cannot be ejected.
The application designs an arc core pulling structure to realize core pulling before separating the first template 2 and the second template 3, because the core pulling needs to utilize the power when the first template 2 is opened, but needs to ensure that the first template 2 and the second template 3 are not separated, the application is realized through an elastic ejection mechanism, the elastic ejection mechanism is positioned between the bottom template 1 and the second template 3, when the first template 2 is opened, the second template 3 and the first template 2 are ejected by the elastic ejection mechanism to follow up until a forming needle is extracted from the plastic part 5, then the first template 2 and the second template 3 are separated again, and the ejector pin ejects the plastic part 5, thereby completing the mold opening process.
As shown in fig. 2 and 3, the elastic ejection mechanism is a nitrogen spring 6, the bottom template 1 is provided with a guide pillar, the first template 2 and the second template 3 are respectively provided with guide holes in sliding fit with the guide pillar 7, as a further structure, a sliding sleeve 8 is arranged in the guide holes to avoid wearing the first template 2 and the second template 3, the above structure can well realize the movement of the first template 2 and the second template 3 together along the mold opening direction, and the resetting is also very simple, the nitrogen spring 6 can be directly compressed to mold the mold, and the nitrogen spring 6 is an outsourcing product.
As shown in fig. 4 and 5, the arc core pulling structure comprises a core pulling seat 9 fixed with a bottom template 1, a guide seat 10 arranged in a second template 3 and fixed with the second template 3, a seat hole is arranged in the second template 3, the core pulling seat 9 is positioned in the seat hole and slidingly matched with the seat hole, an arc guide groove 11 is arranged on the guide seat 10, a straight sliding groove 12 is arranged on the core pulling seat 9, a forming needle 14 for forming the arc hole is arranged on a forming piece 13, the forming piece 13 is positioned in the guide groove 11 and slidingly matched with the guide groove 11, a rotating shaft 25 is arranged on the forming piece 13, one side of the guide groove 11 is opened, so that the rotating shaft 25 is positioned in the straight sliding groove 12 through the opening, one side of the forming piece 13 is exposed out of the guide groove 11, the rotating shaft 25 can rotate in the straight sliding groove 12 and slidingly matched with the straight sliding groove 12, the first template 2 and the second template 3 can be jacked up through an elastic jacking mechanism to be separated from the bottom template 1, and when the first template 2 is linearly moved, the second template 3 is jacked out of the elastic jacking mechanism to the first template 2 and the second template through the elastic jacking mechanism to drive the first template 2 and the second template to move along with the long hole 4 and the guide groove 14, the first template and the second template is extruded and extruded by the straight sliding groove 4 to form a straight injection molding piece 4, and the injection molding product is extruded and formed by the straight injection molding 4 is limited to be in the straight sliding groove 14.
As shown in the drawing, the guide groove 11 includes a groove side surface 15, an arc-shaped groove guide surface one 16 and an arc-shaped groove guide surface two 17, the forming member 13 includes a corresponding arc-shaped sliding surface one 18 and an arc-shaped sliding surface two 19, the forming member 13 includes a side wall surface one 20 and a side wall surface two 21, the side wall surface one 20 can contact with the groove side surface 15, the side wall surface two 21 can contact with the seat wall surface of the core drawing seat 9 of the groove side surface 15, the structure is convenient for manufacturing and installation, and the limiting positioning of the groove side surface 15 and the seat wall surface to the forming member 13 can prevent the forming member 13 from shifting when sliding in the guide groove 11.
As shown in the figure, the core pulling seat 9 comprises a base 22 and a seat top block 23, a notch is arranged on the seat top block 23, the straight sliding groove 12 is formed by the notch and the core pulling seat 9, the seat top block 23 comprises a top block side surface 24, and the seat wall surface comprises a top block side surface 24.
As shown in the figure, the first template 2 is provided with a first molding insert 4, the first molding insert 4 is provided with a first positioning surface 26, a molding groove penetrating through the first positioning surface is formed in the first molding insert 4, the molding needle 14 is located in the molding groove, the second molding insert 13 is provided with a second positioning surface 27 capable of being abutted against the first positioning surface 26, and the molding needle 14 is arranged on the second positioning surface 27. The step surface 28 is provided on the core-pulling seat 9, and the end of the molding member 13 can be in contact with the step surface 28, because the positioning surface two 27 of the molding member 13 can be abutted against the positioning surface one 26 through the positioning of the step surface 28 when the mold is closed, so that the molding needle 14 is positioned at an accurate molding position, and as a preferable structure, the end of the molding member 13 is an arc-shaped end surface, and the arc-shaped end surface can be prevented from being clamped by the step surface 28 when the mold is opened.
The simplified arc guide demolding mechanism provided by the embodiment of the utility model is described in detail, and specific examples are applied to illustrate the principle and the implementation of the utility model, and the description of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (8)
1. The utility model provides a simplified arc guide rail demoulding mechanism, includes die block board, template one and template two, its characterized in that: still include arc core pulling structure and set up in the elastic jack-out mechanism between die block board and die plate two, arc core pulling structure is including setting up core pulling seat on the die block board, setting up guide holder and the shaping spare in die plate two, be equipped with curved guide slot on the guide holder, be equipped with straight spout on the core pulling seat, be equipped with the shaping needle that is used for shaping arc hole on the shaping spare, the shaping spare is located the guide slot and with guide slot sliding fit, be equipped with the pivot on the shaping spare, the pivot is located straight spout, and this pivot can rotate in straight slide groove and with straight slide groove sliding fit, die plate one and die plate two can jack-up through elastic jack-out mechanism and with die block board separation.
2. The simplified arc guide rail demolding mechanism as claimed in claim 1, wherein: the elastic jacking mechanism is a nitrogen spring, the bottom template is provided with a guide pillar, and the first template and the second template are respectively provided with a guide hole in sliding fit with the guide pillar.
3. The simplified arc guide rail demolding mechanism as claimed in claim 1, wherein: the end of the forming piece is an arc-shaped end face.
4. The simplified arc guide rail demolding mechanism as claimed in claim 1, wherein: the guide groove comprises a groove side surface, an arc-shaped groove guide surface I and an arc-shaped groove guide surface II, and the forming piece comprises an arc-shaped sliding surface I and an arc-shaped sliding surface II which correspond to each other.
5. The simplified arc guide demolding mechanism as claimed in claim 4, wherein: the molding piece comprises a first side wall surface and a second side wall surface, wherein the first side wall surface can be contacted with the side surface of the groove, and the second side wall surface can be contacted with the seat wall surface of the core drawing seat at the side surface of the groove.
6. The simplified arc guide demolding mechanism as claimed in claim 5, wherein: the core pulling seat comprises a base and a seat top block, a notch is arranged on the seat top block, the straight sliding groove is formed by the notch and the core pulling seat, the seat top block comprises a top block side face, and the seat wall face comprises a top block side face.
7. A simplified arcuate guide rail stripping mechanism as set forth in claim 3, wherein: the core drawing seat is provided with a step surface, and the end part of the forming part can be contacted with the step surface.
8. The simplified arc guide demolding mechanism as claimed in claim 7, wherein: the forming mold comprises a first mold plate, a second mold plate and a forming needle, wherein the first mold plate is provided with a first positioning surface, a forming groove penetrating through the first positioning surface is formed in the first mold plate, the forming needle is located in the forming groove, the forming member is provided with a second positioning surface capable of being abutted against the first positioning surface, and the forming needle is arranged on the second positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322786020.3U CN221292166U (en) | 2023-10-17 | 2023-10-17 | Simplified arc guide rail demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322786020.3U CN221292166U (en) | 2023-10-17 | 2023-10-17 | Simplified arc guide rail demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221292166U true CN221292166U (en) | 2024-07-09 |
Family
ID=91748419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322786020.3U Active CN221292166U (en) | 2023-10-17 | 2023-10-17 | Simplified arc guide rail demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221292166U (en) |
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2023
- 2023-10-17 CN CN202322786020.3U patent/CN221292166U/en active Active
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