CN216300059U - Novel secondary ejection die - Google Patents
Novel secondary ejection die Download PDFInfo
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- CN216300059U CN216300059U CN202122550392.7U CN202122550392U CN216300059U CN 216300059 U CN216300059 U CN 216300059U CN 202122550392 U CN202122550392 U CN 202122550392U CN 216300059 U CN216300059 U CN 216300059U
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Abstract
The utility model relates to a novel secondary ejection die, which comprises: the upper template is provided with a shovel base and a square roof, the lower template is provided with a first line position, a first line position guide rail, a first line position insert, a second line position and a second line position insert, the upper middle plate is provided with an oil cylinder, a transverse guide rail, a line position seat and a second line position guide rail, and the lower middle plate is provided with a first ejector block and a second ejector block. According to the embodiment of the utility model, the characteristic that the conventional slide core pulling in a single direction cannot be realized is made into two slides, a product in a space is vacated after the core pulling is carried out for one section of height ejection, the core pulling is carried out again after the product is ejected for two times, and finally the product is ejected for the second time. By the aid of the mold structure, automatic production of the mold can be realized for complex products, the technical requirements of personnel operation are reduced, production efficiency is improved, and the molding period is correspondingly shortened.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a novel secondary ejection mold.
Background
The special core-pulling mechanism has the advantages that the appearance of some products is complex, the buckle exists, the peripheral space of the buckle is small, the conventional core-pulling in a single direction cannot be realized, the interference phenomenon exists in the conventional core-pulling and ejecting actions, the mold stripping is not smooth easily, the operation technical requirement on personnel is high, the production efficiency is low, and the forming cycle response is prolonged.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a novel secondary ejection die aiming at the defects of the prior art.
The embodiment of the utility model provides a novel secondary ejection die, which comprises: the upper template is provided with a shovel base and a square top, the lower template is provided with a first line position, a first line position guide rail, a first line position insert, a second line position and a second line position insert, the upper middle plate is provided with an oil cylinder, a transverse guide rail, a line position seat and a second line position guide rail, the lower middle plate is provided with a first ejector block and a second ejector block, the first line position is assembled on the lower template in a transverse sliding mode through the first line position guide rail, the first line position insert is embedded at the tail end of the first line position, the second line position insert is embedded at the top of the second line position, the tail end of the first line position, the top of the second line position, the first line position insert and the second line position insert form a buckle forming cavity of the injection molding piece, the first ejector block supports the top edge of the injection molding piece, the second ejector block supports the bottom edge of the injection molding piece, the line position seat is assembled on the lower middle plate in a transverse sliding mode through the transverse guide rail, the slide seat is driven by the oil cylinder to slide, the slide seat is provided with a first inclined surface and a second inclined surface, the slide seat is in interference transmission with the shovel base through the first inclined surface, the second inclined surface is provided with a second slide guide rail, the bottom of the second slide is slidably assembled on the second slide guide rail, the second slide obliquely ascends and descends in an inclined channel of the lower template, the square top is provided with a guide hole, and the first slide is in interference transmission with the guide hole through a guide rod.
In some embodiments, the second slide guide rail comprises a slide mounting block, the left side and the right side of the slide mounting block are provided with L-shaped grooves, the left side and the right side of the second inclined plane are provided with L-shaped pressing strips, the slide mounting block is slidably assembled with the L-shaped pressing strips through the L-shaped grooves, and the bottom of the second slide is fixedly assembled on the surface of the slide mounting block.
In some embodiments, the guide hole is composed of a first straight hole, a second inclined hole and a third straight hole, when the mold is closed, the guide rod is positioned in the middle of the first straight hole, and when the mold is opened, the guide rod is positioned in the middle of the third straight hole.
In some embodiments, the bottom of the first slide is provided with a T-shaped sliding groove, the first slide rail is a T-shaped sliding block and is matched with the T-shaped sliding groove to realize transverse sliding, and the upper template is provided with a limiting sliding block and is matched with the side sliding groove of the first slide.
In some embodiments, the first top block is assembled on the lower middle plate by connecting a first top rod, and the first top rod penetrates through the avoidance hole of the second line position.
In some embodiments, a first gap between the first row insert and the first row forms a first bead forming cavity in the snap-fit forming cavity, and a second gap between the second row insert and the second row forms a second bead forming cavity in the snap-fit forming cavity.
In some embodiments, the first gap and the second gap are spliced to form a same gap, such that the first rib-forming cavity and the second rib-forming cavity form a same rib-forming cavity.
Compared with the related art, the novel secondary ejection die provided by the embodiment of the utility model comprises the following components: the upper template is provided with a shovel base and a square top, the lower template is provided with a first line position, a first line position guide rail, a first line position insert, a second line position and a second line position insert, the upper middle plate is provided with an oil cylinder, a transverse guide rail, a line position seat and a second line position guide rail, the lower middle plate is provided with a first ejector block and a second ejector block, the first line position is assembled on the lower template in a transverse sliding mode through the first line position guide rail, the first line position insert is embedded at the tail end of the first line position, the second line position insert is embedded at the top of the second line position, the tail end of the first line position, the top of the second line position, the first line position insert and the second line position insert form a buckle forming cavity of the injection molding piece, the first ejector block supports the top edge of the injection molding piece, the second ejector block supports the bottom edge of the injection molding piece, the line position seat is assembled on the lower middle plate in a transverse sliding mode through the transverse guide rail, the slide seat is driven by the oil cylinder to slide, the slide seat is provided with a first inclined surface and a second inclined surface, the slide seat is in interference transmission with the shovel base through the first inclined surface, the second inclined surface is provided with a second slide guide rail, the bottom of the second slide is slidably assembled on the second slide guide rail, the second slide obliquely ascends and descends in an inclined channel of the lower template, the square top is provided with a guide hole, and the first slide is in interference transmission with the guide hole through a guide rod. According to the embodiment of the utility model, the characteristic that the conventional slide core pulling in a single direction cannot be realized is made into two slides, a product in a space is vacated after the core pulling is carried out for one section of height ejection, the core pulling is carried out again after the product is ejected for two times, and finally the product is ejected for the second time. By the aid of the mold structure, automatic production of the mold can be realized for complex products, the technical requirements of personnel operation are reduced, production efficiency is improved, and the molding period is correspondingly shortened.
The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a block diagram of an injection molded part according to an embodiment of the present invention.
Fig. 2 is an overall structural view of the novel secondary ejection die according to the embodiment of the present invention.
Fig. 3 is a first internal structure diagram of the novel double-ejection die according to the embodiment of the utility model.
Fig. 4 is a second internal structure diagram of the novel double-ejection die according to the embodiment of the utility model.
Fig. 5 is a sectional structure view of the novel double-ejection mold according to the embodiment of the present invention.
In the drawings, 1, injection molding; 2. a lower template; 3. an upper middle plate; 4. a shovel base; 5. a square top; 6. a first column bit; 7. a first alignment guide; 8. a first slide insert; 9. a second row of bits; 10. a second slide insert; 11. an oil cylinder; 12. a transverse guide rail; 13. a slide seat; 14. a second slide guide; 15. a first top block; 16. a second top block; 17. a T-shaped chute; 18. a T-shaped slider; 19. a limiting slide block; 20. a side chute; 21. an insert hole; 22. a notch; 23. a first inclined plane; 24. a second inclined plane; 25. a first ejector rod; 26. avoiding holes; 27. a guide hole; 28. a first straight hole; 29. a second inclined hole; 30. a third straight hole; 31. a slide mounting block; 32. an L-shaped slot; 33. l-shaped layering; 34. a first gap; 35. a second gap; 36. a guide rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the utility model are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.
As shown in fig. 1, the buckling position is inclined to one side, a short side and a circular arc long side of the buckling position are formed, the bottom edge of the short side at the top and the bottom edge of the circular arc long side at the bottom form the opening, in the inner side wall of the buckling position, the inner wall of the short side is provided with an inverted buckle and a reinforcing rib, and the inner wall of the long side is provided with a reinforcing rib. For the injection molding part 1 with the structure, the conventional ejection die in the prior art cannot well complete demoulding.
As shown in fig. 2-5, a novel double-ejection mold according to an embodiment of the present invention includes a frame, and an upper mold plate, a lower mold plate 2, an upper middle plate 3, and a lower middle plate assembled on the frame, where the upper mold plate is assembled with a shovel base 4 and a square roof 5, the lower mold plate 2 is assembled with a first slide 6, a first slide guide 7, a first slide insert 8, a second slide 9, and a second slide insert 10, the upper middle plate 3 is assembled with a cylinder 11, a transverse guide 12, a slide seat 13, and a second slide guide 14, and the lower middle plate is assembled with a first top block 15 and a second top block 16. The lower template 2 and the upper middle plate 3 are fixed on the rack, the lower middle plate is assembled on the rack in a liftable mode, the lower middle plate is lifted to drive the first ejector block 15 and the second ejector block 16 to lift synchronously, the upper template is assembled on the upper template in a liftable mode, and the shovel base 4 and the square top 5 are driven to lift synchronously in the lifting process.
In the lower die plate 2 of the present embodiment, the first alignment guide 7 is laterally fitted on the surface of the lower die plate 2, and the first alignment 6 is laterally slidably fitted on the surface of the lower die plate 2 through the first alignment guide 7. The bottom of the first line position 6 is provided with a T-shaped sliding groove 17, the first line position guide rail 7 is a T-shaped sliding block 18 and is matched with the T-shaped sliding groove 17 to realize transverse sliding, and the upper template is provided with a limiting sliding block 19 and is matched with a side sliding groove 20 of the first line position 6 to assist the stable sliding of the first line position 6. The first slide insert 8 is fitted to the end of the first slide 6, and the end of the first slide 6 is provided with a plurality of insert holes 21 for fitting the first slide insert 8, and a notch 22 for complementary engagement with the first ejector 15 when the mold is closed, the first ejector 15 serving as a part of the cavity for molding the bottom edge of the top of the injection-molded article 1 when the mold is closed.
In the lower template 2 of the embodiment, the slide seat 13 is transversely slidably assembled on the lower middle plate through a transverse guide rail 12, the slide seat 13 is driven to slide by the oil cylinder 11, the shovel base 4 ascends along with the upper template when the mold is opened, and then the oil cylinder 11 can control the slide seat 13 to retract. The traveling seat 13 is provided with a first inclined surface 23 and a second inclined surface 24 which form an included angle with each other, the traveling seat 13 is in interference transmission with the shovel base 4 through the first inclined surface 23, when the die is closed, the shovel base 4 supports the traveling seat 13 through the first inclined surface 23 to avoid the traveling seat 13 from traveling due to the oil pressure of the oil cylinder 11, the problem of poor injection molding caused by the traveling of the traveling seat 13 driving the second traveling position 9 is effectively avoided, and the reliability is improved. The second inclined surface 24 is assembled with a second slide guide rail 14, the second inclined surface 24 is perpendicular to the long axis of the second slide 9, the bottom of the second slide 9 is slidably assembled on the second slide guide rail 14, and the second slide 9 obliquely ascends and descends in an oblique channel of the lower die plate 2, so that oblique core pulling from a buckle of the injection molding part 1 is realized.
In the lower mold plate 2 of this embodiment, the second slide insert 10 is embedded at the top of the second slide 9, the end of the first slide 6, the top of the second slide 9, the first slide insert 8, and the second slide insert 10 form a first portion of the buckle molding cavity of the injection molding 1, the upper mold plate and the lower mold plate 2 form a second portion of the buckle molding cavity of the injection molding 1, and the first portion and the second portion form a complete molding cavity.
When the mold is opened, the first ejector block 15 supports and ejects the bottom edge of the top of the injection molding part 1, and the second ejector block 16 supports and ejects the bottom edge of the bottom of the injection molding part 1. The first ejector block 15 is assembled on the lower middle plate by connecting a first ejector rod 25, and the first ejector rod 25 penetrates through the avoidance hole 26 of the second row 9.
In the present exemplary embodiment, the square roof 5 has a guide opening 27, and the first row position 6 is driven by the guide rod 36 in an interference manner with the guide opening 27. The guide holes 27 are sequentially composed of a first straight hole 28, a second inclined hole 29 and a third straight hole 30 in a vertical position sequence from the tail end close to the first row position 6 to the tail end far away from the first row position 6, when the mold is closed, the guide rod 36 is positioned in the middle of the first straight hole 28, and after the mold is opened, the guide rod 36 is positioned in the middle of the third straight hole 30. The process of the guide rod 36 moving in the second inclined hole 29 is the process of lateral sliding.
In the present embodiment, the second slide rail 14 includes a slide mounting block 31, the left and right sides of the slide mounting block 31 are provided with L-shaped grooves 32, the left and right sides of the second inclined surface 24 are provided with L-shaped beads 33, the slide mounting block 31 is slidably assembled with the L-shaped beads 33 through the L-shaped grooves 32, and the bottom of the second slide 9 is fixedly assembled on the surface of the slide mounting block 31.
In this embodiment, a first gap 34 between the first slide insert 8 and the first slide 6 forms a first bead forming cavity in the snap-fit forming cavity, and a second gap 35 between the second slide insert 10 and the second slide 9 forms a second bead forming cavity in the snap-fit forming cavity. The first gap 34 and the second gap 35 are spliced to form the same gap, so that the first reinforcing rib molding cavity and the second reinforcing rib molding cavity form the same reinforcing rib molding cavity.
The working principle of the embodiment of the utility model is as follows:
mold closing state: the shovel base 4 is inserted into the lower template 2, the oil cylinder 11 drives the row seat 13 to extend to the right position, the shovel base 4 pushes the row seat 13 to prevent the row seat 13 from deviating, after the row seat 13 extends to the right position, the second row seat 9 assembled on the row seat 13 is obliquely lifted to the right position, the guide rod 36 is positioned in the first straight hole 28, at the moment, the first row seat 6 extends to the right position, the first row seat 6 is combined with the second row seat 9, the first ejection block 15 is not ejected to be combined with the first row seat 6, and the second ejection block 16 is not ejected to be combined with the second row seat 9.
Opening the mold: the shovel base 4 is lifted, the oil cylinder 11 drives the traveling seat 13 to retract and slide transversely, the second traveling seat 9 is driven to descend obliquely along the oblique channel to draw core in the retracting process of the traveling seat 13, after the core drawing is carried out for a certain distance, the second traveling seat 9 does not block the bottom of the injection molding part 1 in the vertical direction at the moment, the first ejector block 15 and the second ejector block 16 synchronously jack up the injection molding part 1 to a certain height, the first traveling seat 6 does not block the top of the injection molding part 1 in the horizontal direction at the moment, the guide rod 36 is positioned at the tail end of the first straight hole 28 and at the beginning end of the second oblique hole 29, when the upper template is continuously lifted, the square top 5 is synchronously lifted to enable the guide rod 36 to slide along the second oblique hole 29, in the sliding process of the guide rod 36 along the second oblique hole 29, the first traveling seat 6 is driven to slide transversely to draw core from the injection molding part 1, in the process of the first traveling seat 6, the first ejector block 15 and the second ejector block 16 synchronously jack up the injection molding part 1, and (3) until the guide rod 36 is positioned in the third straight hole 30, the core pulling of the first row 6 is finished, the injection molding part 1 is completely separated from the row, the first ejector block 15 and the second ejector block 16 continue to eject, and then the manipulator takes out the injection molding part 1.
It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a novel ejecting mould of secondary which characterized in that includes: the upper template is provided with a shovel base (4) and a square top (5), the lower template (2) is provided with a first slide (6), a first slide guide rail (7), a first slide insert (8), a second slide (9) and a second slide insert (10), the upper middle plate (3) is provided with an oil cylinder (11), a transverse guide rail (12), a slide seat (13) and a second slide guide rail (14), the lower middle plate is provided with a first top block (15) and a second top block (16), the first slide (6) is transversely and slidably assembled on the lower template (2) through the first slide guide rail (7), the first slide insert (8) is embedded at the tail end of the first slide (6), and the second slide insert (10) is embedded at the top of the second slide (9), the tail end of the first slide (6), the top of the second slide (9), the first slide insert (8) and the second slide insert (10) form a snap-fit molding cavity of the injection molding part (1), the first top block (15) supports the bottom edge of the top of the injection molding part (1), the second top block (16) supports the bottom edge of the bottom of the injection molding part (1), the slide seat (13) is transversely and slidably assembled on the lower middle plate through the transverse guide rail (12), the slide seat (13) is driven to slide by the oil cylinder (11), the slide seat (13) is provided with a first inclined surface (23) and a second inclined surface (24), the slide seat (13) is in interference transmission with the shovel base (4) through the first inclined surface (23), the second inclined surface (24) is assembled with the second slide guide rail (14), and the bottom of the second slide (9) is slidably assembled on the second slide guide rail (14), the second slide (9) obliquely ascends and descends in an oblique channel of the lower template (2), the square roof (5) is provided with a guide hole (27), and the first slide (6) is in interference transmission with the guide hole (27) through a guide rod (36).
2. The novel double-ejection die as claimed in claim 1, wherein the second slide guide rail (14) comprises a slide mounting block (31), the left and right sides of the slide mounting block (31) are provided with L-shaped grooves (32), the left and right sides of the second inclined surface (24) are provided with L-shaped pressing strips (33), the slide mounting block (31) is slidably assembled with the L-shaped pressing strips (33) through the L-shaped grooves (32), and the bottom of the second slide (9) is fixedly assembled on the surface of the slide mounting block (31).
3. The novel double ejection die as claimed in claim 1, wherein the guide hole (27) is composed of a first straight hole (28), a second inclined hole (29) and a third straight hole (30), the guide rod (36) is located in the middle of the first straight hole (28) during die assembly, and the guide rod (36) is located in the middle of the third straight hole (30) after die assembly.
4. The novel double-ejection die as claimed in claim 1, wherein the bottom of the first slide (6) is provided with a T-shaped sliding groove (17), the first slide guide (7) is a T-shaped sliding block (18) and is matched with the T-shaped sliding groove (17) to realize transverse sliding, and the upper die plate is provided with a limiting sliding block (19) and is matched with a side sliding groove (20) of the first slide (6).
5. The novel double ejection die as claimed in claim 1, wherein the first ejector block (15) is assembled to the lower middle plate by connecting a first ejector rod (25), and the first ejector rod (25) penetrates through the avoiding hole (26) of the second row (9).
6. A novel double ejection die according to claim 1, characterised in that a first gap (34) between the first slide insert (8) and the first slide (6) constitutes a first bead moulding cavity in the snap moulding cavity, and a second gap (35) between the second slide insert (10) and the second slide (9) constitutes a second bead moulding cavity in the snap moulding cavity.
7. The novel double ejection die as claimed in claim 6, wherein the first gap (34) and the second gap (35) are spliced to form a same gap, so that the first rib forming cavity and the second rib forming cavity form a same rib forming cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122550392.7U CN216300059U (en) | 2021-10-22 | 2021-10-22 | Novel secondary ejection die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122550392.7U CN216300059U (en) | 2021-10-22 | 2021-10-22 | Novel secondary ejection die |
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CN216300059U true CN216300059U (en) | 2022-04-15 |
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CN202122550392.7U Active CN216300059U (en) | 2021-10-22 | 2021-10-22 | Novel secondary ejection die |
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