CN218985616U - Mechanical spring needle mechanism for solving problem of ejection and inclined sticking of product - Google Patents
Mechanical spring needle mechanism for solving problem of ejection and inclined sticking of product Download PDFInfo
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- CN218985616U CN218985616U CN202223364954.XU CN202223364954U CN218985616U CN 218985616 U CN218985616 U CN 218985616U CN 202223364954 U CN202223364954 U CN 202223364954U CN 218985616 U CN218985616 U CN 218985616U
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Abstract
The utility model discloses a mechanical spring needle mechanism for solving the problem of ejection and sticking of a product, wherein an inclined ejector is arranged on a rear die, a spring needle movable channel is arranged in the inclined ejector, the rear die is positioned at the outer side of an inlet of the spring needle movable channel, a spring needle mechanism is arranged in the spring needle movable channel, the spring needle mechanism comprises a spring needle, a spring needle sleeve, a sleeve base, a reset spring, an ejection spring and a spring needle pressing block, the spring needle is inserted and installed in the spring needle sleeve and the sleeve base, the tail end of the spring needle sleeve is fixedly installed on the sleeve base, the rod part of the spring needle penetrates through an opening at the front end of the sleeve base, is inserted into the spring needle sleeve and protrudes out of the top of the spring needle sleeve, the spring needle sleeve penetrates through the inclined ejector at the front end of the spring needle movable channel along the length direction to reach into a die cavity, the reset spring is positioned at the front end of the sleeve base in the spring needle movable channel, the tail end of the spring needle is fixedly installed on the spring needle pressing block, and the ejection spring is positioned at the front end of the spring needle pressing block in the sleeve base. The utility model avoids sticking the plastic products to the inclined roof and solves the problem of sticking the plastic products to the inclined roof when the products are ejected out.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a mechanical spring needle mechanism for solving the problem of ejection, sticking and inclined ejection of products.
Background
The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a processing method used when producing parts with complex shapes in batches, specifically, heated and melted plastics are injected into a mold cavity by an injection molding machine under high pressure, and a molded product is obtained after cooling and solidification; the existing inclined roof structure is easy to reset, shake and misplacement. When the oblique ejector is ejected, the plastic product cannot move along with the oblique ejector under the general condition, and the product is stuck on the oblique ejector to make demolding difficult, so that the product is damaged by pulling or can not be taken out, and the production efficiency of the die is low.
Disclosure of Invention
The applicant provides a mechanical spring needle mechanism for solving the problem of sticking the product to the inclined ejection by utilizing a spring needle sleeve structure, which has reasonable structure, and aims at solving the defects that the product is difficult to demould due to sticking of the product to the inclined ejection during ejection of the inclined ejection, so that the product is damaged by pulling or the product cannot be taken out in the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a solve ejecting machinery bullet needle mechanism that glues oblique roof of product, set up the oblique roof on the rear mould, set up bullet needle movable channel in the oblique roof, the rear mould is located the entry outside of bullet needle movable channel, be equipped with bullet needle mechanism in the bullet needle movable channel, bullet needle mechanism includes the bullet needle, bullet needle sleeve, the sleeve base, reset spring, ejection spring and bullet needle briquetting, bullet needle inserts and installs in bullet needle sleeve and sleeve base, bullet needle telescopic tail end fixed mounting is on the suit base, the trompil of sleeve base front end is passed to bullet needle stem portion, insert bullet needle sleeve and outstanding in bullet needle telescopic top, the bullet needle sleeve runs through the oblique roof of bullet needle movable channel front end along length direction and reaches in the mould die cavity in the oblique roof outside, make the bullet needle expose in the mould die cavity in the oblique roof outside simultaneously, reset spring is located the sleeve base front end in the bullet needle movable channel, bullet needle briquetting passes through the screw and installs in one side in the bullet needle movable channel, the tail end fixed mounting of bullet needle is located bullet needle briquetting front end in the sleeve base.
As a further improvement of the above technical scheme:
an ejection spring is sleeved on the ejection needle between the ejection needle pressing block and the front wall of the sleeve base, one end of the ejection spring is connected with the ejection needle pressing block, and the other end of the ejection spring is connected with the front wall of the sleeve base.
The elastic needle pressing block is provided with a limiting locking block which stretches out, and the limiting locking block is matched with a limiting long hole on the sleeve base, so that the elastic needle sleeve and the sleeve base move along the linear direction.
The elastic needle pressing block is provided with a limiting locking block which stretches out, and the tail end of the elastic needle is fixedly arranged on the limiting locking block.
When the spring needle sleeve and the sleeve base move, the spring needle sleeve and the sleeve base move relatively.
The matching supporting surface of the rear mould and the inclined roof is provided with a convex slope, and the convex slope is matched with the spring needle moving channel to push and release the sleeve base of the spring needle mechanism.
The convex slope shape adopts a W-shaped or W-shaped-like waveform.
The convex slope shape is matched with the spring needle movable channel to enable the sleeve base and the spring needle to relatively displace.
The beneficial effects of the utility model are as follows:
according to the utility model, the spring needle sleeve structure is added in the area of the plastic product such as the BOSS column structure, the spring needle is fixed on the inclined roof and is pushed outwards by guiding the back mould to drive the spring needle sleeve on the back side, so that the BOSS column structure is prevented from sticking to the inclined roof, and the effect of solving the problem of product ejection sticking to the inclined roof is achieved. The utility model has the characteristics of small structural space and easy processing, improves the appearance of products and reduces the production cost.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic view of the present utility model before ejection.
Fig. 4 is a schematic view of the ejection of the present utility model.
Fig. 5 is a schematic view of the present utility model after ejection.
In the figure: 1. a spring needle; 2. a spring needle sleeve; 3. a return spring; 4. a sleeve base; 5. a spring needle pressing block; 6. a pitched roof; 7. a rear mold; 8. an ejector spring; 9. and (5) a plastic product.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1 to 5, the mechanical spring needle mechanism for solving the problem of product ejection and sticking inclined ejection is provided with an inclined ejection 6 on a rear die 7, a spring needle moving channel is arranged in the inclined ejection 6, the rear die 7 is positioned at the outer side of an inlet of the spring needle moving channel, the spring needle moving channel is internally provided with a spring needle mechanism, the spring needle mechanism comprises a spring needle 1, a spring needle sleeve 2, a sleeve base 4, a reset spring 3, an ejection spring 8 and a spring needle pressing block 5, the spring needle 1 is inserted and installed in the spring needle sleeve 2 and the sleeve base 4, the tail end of the spring needle sleeve 2 is fixedly installed on a sleeved base, and the spring needle 1 can stretch and retract relative to the spring needle sleeve 2 and the sleeve base 4. The shaft part of the spring needle 1 passes through the opening at the front end of the sleeve base 4, is inserted into the spring needle sleeve 2 and protrudes out of the top of the spring needle sleeve 2, the spring needle sleeve 2 penetrates through the inclined top 6 at the front end of the spring needle moving channel along the length direction to reach the inside of the die cavity at the outer side of the inclined top 6, simultaneously the spring needle 1 is exposed in the die cavity at the outer side of the inclined top 6, and the spring needle 1 and the spring needle sleeve 2 perform ejection operation on plastic products. The reset spring 3 is positioned at the front end of the sleeve base 4 in the spring needle moving channel.
The bullet needle briquetting 5 passes through the screw to be installed in bullet needle movable channel one side, and the tail end fixed mounting of bullet needle 1 is on bullet needle briquetting 5, and the cover is equipped with ejection spring 8 on bullet needle 1 between bullet needle briquetting 5 and sleeve base 4 front wall, and ejection spring 8 is located the bullet needle briquetting 5 front end in the sleeve base 4 promptly, and ejection spring 8 one end is connected bullet needle briquetting 5, the other end is connected sleeve base 4 front wall. More specifically, the elastic needle pressing block 5 is provided with a protruding limiting locking block, and the limiting locking block is matched with a limiting long hole on the sleeve base 4, so that the elastic needle sleeve 2 and the sleeve base 4 move along the linear direction, the tail end of the elastic needle 1 is fixedly arranged on the limiting locking block, namely, the elastic needle is fixed on the inclined roof 6. When the elastic needle pressing block 5 moves relatively to the elastic needle sleeve 2 and the sleeve base 4, the elastic needle moves relatively to the elastic needle sleeve 2 and the sleeve base 4.
The matched supporting surface of the rear mould 7 and the inclined ejection 6 is provided with a convex slope, the convex slope is matched with a spring needle movable channel, the sleeve base 4 of the spring needle mechanism is pushed and released, the sleeve base 4 and the spring needle pressing block 5 are enabled to relatively displace, and even if the sleeve base 4 and the spring needle 1 relatively displace, the function of ejecting and sticking the inclined ejection 6 of a product is achieved by the spring needle mechanism. The convex slope shape adopts a W-shaped or W-shaped-like waveform.
In the practice of the utility model, first, after the mold closing process, the plastic product 9 is located on the cavity side of the pitched roof 6. The state before ejection of the inclined ejector 6 is that the bullet needle sleeve 2 and the bullet needle 1 are in the initial state, and are not ejected. When ejecting operation is carried out, the inclined ejection 6 ejects a distance, then the spring needle 1 and the inclined ejection 6 are retreated to separate from products, the sleeve base 4 is driven by the supporting surface of the rear die 7, the reset spring 3 is compressed, the ejection spring 8 is stretched, the supporting surface of the rear die 7 pushes the spring needle sleeve 2 and the spring needle 1 to be in situ, the spring needle sleeve 2 pushes against the products, and the plastic products 9 are prevented from being adhered to the inclined ejection 6. Finally, after the sleeve is completely ejected, the sleeve base 4 is separated from the supporting surface of the rear die 7, and is separated backwards along with the spring needle sleeve 2 along with the inclined top 6, so that the integral demoulding of the back-off is completed.
According to the utility model, the spring needle sleeve structure is added in the area of the plastic product such as the BOSS column structure, the spring needle is fixed on the inclined roof and is pushed outwards by guiding the back mould to drive the spring needle sleeve on the back side, so that the BOSS column structure is prevented from sticking to the inclined roof, and the effect of solving the problem of product ejection sticking to the inclined roof is achieved.
The above description is illustrative of the utility model and is not intended to be limiting, and the utility model may be modified in any form without departing from the spirit of the utility model.
Claims (8)
1. The utility model provides a solve ejecting machinery bullet needle mechanism that glues oblique top of product which characterized in that: set up on back mould (7) to one side top (6), set up bullet needle movable channel in to one side top (6), back mould (7) are located bullet needle movable channel's entry outside, be equipped with bullet needle mechanism in the bullet needle movable channel, bullet needle mechanism includes bullet needle (1), bullet needle sleeve (2), sleeve base (4), reset spring (3), ejector spring (8) and bullet needle briquetting (5), bullet needle (1) insert and install in bullet needle sleeve (2) and sleeve base (4), bullet needle sleeve (2) tail end fixed mounting is on the suit base, bullet needle (1) pole portion passes the trompil of sleeve base (4) front end, insert bullet needle sleeve (2) and outstanding in bullet needle sleeve (2) top, bullet needle sleeve (2) are in the mould die cavity in the outside of running through bullet needle movable channel front end along length direction, make bullet needle expose in the mould cavity in the outside of bullet needle sleeve (6), reset spring (3) are located bullet needle movable channel's sleeve base (4) front end (5) and install in bullet needle briquetting (5) front end, bullet needle briquetting (5) front end (5) are located in the bullet needle movable channel.
2. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 1, wherein: an ejection spring (8) is sleeved on the elastic needle (1) between the elastic needle pressing block (5) and the front wall of the sleeve base (4), one end of the ejection spring (8) is connected with the elastic needle pressing block (5), and the other end of the ejection spring is connected with the front wall of the sleeve base (4).
3. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 1, wherein: the elastic needle pressing block (5) is provided with a limiting locking block which stretches out, and the limiting locking block is matched with a limiting long hole on the sleeve base (4) so that the elastic needle sleeve (2) and the sleeve base (4) move along the linear direction.
4. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 1, wherein: the elastic needle pressing block (5) is provided with a limiting locking block which stretches out, and the tail end of the elastic needle (1) is fixedly arranged on the limiting locking block.
5. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 1, wherein: when the spring needle sleeve (2) and the sleeve base (4) move, the spring needle (1) moves relative to the spring needle sleeve (2) and the sleeve base (4).
6. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 1, wherein: the matching supporting surface of the rear mould (7) and the inclined top (6) is provided with a convex slope, and the convex slope is matched with the spring needle moving channel to push and release the sleeve base (4) of the spring needle mechanism.
7. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 6, wherein: the convex slope shape adopts a W-shaped or W-shaped-like waveform.
8. The mechanical spring needle mechanism for solving the problem of product ejection sticking and tilting as claimed in claim 6, wherein: the protruding slope shape is matched with the spring needle movable channel to enable the sleeve base (4) and the spring needle to relatively displace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364954.XU CN218985616U (en) | 2022-12-15 | 2022-12-15 | Mechanical spring needle mechanism for solving problem of ejection and inclined sticking of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223364954.XU CN218985616U (en) | 2022-12-15 | 2022-12-15 | Mechanical spring needle mechanism for solving problem of ejection and inclined sticking of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218985616U true CN218985616U (en) | 2023-05-09 |
Family
ID=86195707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223364954.XU Active CN218985616U (en) | 2022-12-15 | 2022-12-15 | Mechanical spring needle mechanism for solving problem of ejection and inclined sticking of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218985616U (en) |
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2022
- 2022-12-15 CN CN202223364954.XU patent/CN218985616U/en active Active
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