CN215969642U

CN215969642U - Mosaic structure

Info

Publication number: CN215969642U
Application number: CN202121452273.1U
Authority: CN
Inventors: 孙连伟; 彭春龙; 章芬; 庄林凡
Original assignee: Changzhou Lianyi Optical Co ltd
Current assignee: Changzhou Lianyi Optical Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-03-08
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an inlaying structure which comprises a cavity insert, a first insert, a second insert and a limiting structure, wherein the cavity insert is detachably arranged in the cavity, the first insert is detachably arranged in the cavity insert, the second insert is detachably arranged on the first insert and can abut against the cavity insert, and the limiting structure is detachably arranged on the cavity and can limit the second insert. According to the utility model, the original insert which is easy to damage is split into the first insert and the second insert, so that the first insert and the second insert are convenient to process, the integral manufacturing cost of the forming die is reduced, the second insert which is easy to damage is convenient to replace, and the production efficiency of a formed product is improved.

Description

Mosaic structure

Technical Field

The utility model belongs to the technical field of die manufacturing, and particularly relates to an inlaying structure.

Background

At present, the structures of various molded products are more and more complex and more delicate, and the molding dies matched with the molded products are also more and more complex, if the conditions of more insertion structures, small insertion structures, insertion structures close to appearance surfaces and the like exist, the manufacturing difficulty of the molding dies is higher and higher, and the manufacturing cost is also higher and higher.

As shown in fig. 1 and fig. 2, a schematic structural diagram of a molded product is shown, where a lug 101 is provided on the molded product 100, the lug 101 is close to a second appearance surface 104, a through groove 103 is provided on the lug 101, and a first appearance surface 102 is formed in the through groove 103. For forming the lug 101 structure, as shown in fig. 3 to 5, a master core insert 20 adapted to the formed product 100 and a master insert 10 adapted to the lug 101 are provided. The original insert 10 is configured as an integral insert structure, a first molding surface 11 for molding a first appearance surface 102 and a second molding surface 12 for molding a second appearance surface 104 are provided on the original insert 10, and a bottom surface adjacent to the second molding surface 12 abuts against a parting surface 43 of the original cavity insert 20.

In the actual use process, because the original insert 10 is smaller in size and the bottom surface adjacent to the second molding surface 12 is located on the parting surface 43, the strength of the bottom of the second molding surface 12 is weaker, the original insert 10 is easily damaged and needs to be replaced frequently, and further the overall manufacturing cost of the molding die is higher; meanwhile, since the bottom surface adjacent to the second molding surface 12 is located on the parting surface 43, burrs are easily generated on the molded product 100 at the second appearance surface 104, which greatly affects the quality of the molded product, and thus the structure of the molding die needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inlaying structure which can reduce the integral manufacturing cost of a forming die and improve the production efficiency and quality of a formed product.

In order to solve the technical problem, the utility model provides an inlaying structure which comprises a cavity insert, a first insert, a second insert and a limiting structure, wherein the cavity insert is detachably mounted in the cavity, the first insert is detachably mounted in the cavity insert, the second insert is detachably mounted on the first insert and can abut against the cavity insert, and the limiting structure is detachably mounted on the cavity and can limit the second insert.

Furthermore, the female die core insert is provided with a first insert mounting groove, the first insert is detachably mounted in the first insert mounting groove, the second insert comprises an embedding part and a forming part, the forming part is fixedly arranged at the top of the embedding part, the forming part is far away from the limiting structure, the first insert is provided with a second insert mounting groove matched with the second insert, and the second insert is detachably mounted in the second insert mounting groove.

Furthermore, the second insert mounting groove comprises a first mounting groove matched with the embedding part and a second mounting groove matched with the forming part, a step surface is arranged at the top of the first insert, the bottom surface of the second mounting groove is lower than the step surface, a groove is arranged on the parting surface of the cavity insert, the groove is communicated with the first insert mounting groove, and the bottom surface of the forming part is abutted against the groove and the bottom surface of the second mounting groove.

Furthermore, the bottom surface of the forming part is set to be a plane, and the parting surface and the step surface are located on the same plane.

Furthermore, the depth of the groove is set to be 0.2 mm-0.5 mm.

Further, the insertion portion is integrally formed with the molding portion.

Furthermore, the limiting structure is a fastening screw, a threaded hole matched with the fastening screw is formed in the cavity insert, the bottom surface of a screw cap of the fastening screw is abutted against the top surface of the second insert, and the threaded section of the fastening screw is in threaded connection with the threaded hole of the cavity insert.

Furthermore, an avoiding groove for avoiding the limiting structure is formed in the top end of the first insert.

Compared with the prior art, the utility model has the beneficial effects that:

(1) through the original insert which is easy to damage is split into the first insert and the second insert, the first insert and the second insert are convenient to process, the integral manufacturing cost of the forming die is reduced, the second insert which is easy to damage is convenient to replace, and the production efficiency of a formed product is improved.

(2) The second insert is provided with the embedding part and the forming part, so that the damage frequency of the second insert can be reduced while the integral strength of the second insert is ensured, and the assembly of the second insert is not influenced.

(3) Through set up the recess on the die joint of putting into son at cavity benevolence, set up the second mounting groove that is less than the step face simultaneously on first inserting to make the bottom surface of shaping portion closely lean on the bottom surface of recess and second mounting groove, can guarantee like this that shaping product outward appearance face does not have deckle edge, improve shaping product quality.

Drawings

FIG. 1 is a schematic view of a molded product;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a certain molded product and the insert block in the mold;

FIG. 4 is a schematic structural view of an original cavity insert and an original insert in a molding die for a certain molded product;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a schematic view of an integral structure of an insert structure and a cavity insert thereof according to the present invention;

FIG. 7 is an enlarged view at C of FIG. 6;

FIG. 8 is a schematic structural view of a cavity insert and a second insert of an insert structure according to the present invention;

FIG. 9 is an enlarged view of FIG. 8 at D;

FIG. 10 is an enlarged view at E of FIG. 8;

FIG. 11 is a schematic view of a first insert and a second insert in a mosaic construction according to the utility model;

fig. 12 is an exploded view of fig. 11.

The reference numbers in the figures illustrate: 100-molded product, 101-lug, 102-first appearance surface, 103-through groove, 104-second appearance surface, 10-original insert, 11-first molding surface, 12-second molding surface, 20-original cavity insert, 30-cavity insert, 40-cavity insert, 41-groove, 42-first insert mounting groove, 43-parting surface, 50-first insert, 51-avoidance groove, 52-second insert mounting groove, 53-first line cutting R angle, 54-step surface, 60-second insert, 61-embedding part, 611-second line cutting R angle, 62-molding part, 621-third molding surface, 622-fourth molding surface and 70-fastening screw.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 6 to 12, the present invention provides a splicing structure, which includes a cavity insert 40, a first insert 50, a second insert 60 and a limiting structure. The cavity insert 40 is detachably mounted in the cavity insert 30, the first insert 50 is detachably mounted in the cavity insert 40, the second insert 60 is detachably mounted on the first insert 50 and can abut against the cavity insert 40, and the limiting structure is detachably mounted on the cavity insert 30 and can limit the second insert 60.

According to the utility model, the original insert which is easy to damage is split into the first insert and the second insert, so that the first insert and the second insert are convenient to process, the integral manufacturing cost of the forming die is reduced, the second insert which is easy to damage is convenient to replace, and the production efficiency of a formed product is improved.

It should be noted that, in the present embodiment, a mosaic structure is provided, which is suitable for the molded product 100 in the prior art, the molded product 100 is symmetrically provided with lugs 101 on both sides, the lugs 101 are close to the second appearance surface 104, a through groove 103 is provided on the lugs 101, and a first appearance surface 102 is formed in the through groove 103. In other embodiments, the inlaid structure with the above structural features may be deformed to some extent so as to be adapted to the molded product to be produced, and specific description and description thereof are omitted here.

For the molded product 100 in the prior art, the cavity insert 40 is adapted to a side of the molded product 100 having an appearance surface, and the cavity insert 40 can be fixedly installed in the cavity 30 of the molding die by bolts; first insert mounting grooves 42 are symmetrically formed in positions corresponding to the lugs 101 on both sides of the cavity insert 40, a groove 41 is formed in a position corresponding to the through groove 103 on the parting surface 43 of the cavity insert 40, the groove 41 is communicated with the first insert mounting grooves 42, and the depth of the groove 41 is H.

Meanwhile, the first insert 50 is detachably mounted in the first insert mounting groove 42, the first insert 50 is integrally formed as a rectangular parallelepiped, the first insert 50 is provided with a second insert mounting groove 52, and a smooth stepped surface 54 is provided at the top of the first insert 50.

Specifically, the second insert mounting groove 52 includes a first mounting groove (not shown) and a second mounting groove (not shown), the first mounting groove is vertically disposed in the middle of the first insert 50 on a side away from the center of the cavity insert 40, and the second mounting groove is horizontally disposed in the middle of the top of the first insert 50 and is in communication with the first mounting groove. The step surface 54 is provided on the top of the first insert 50 on the side close to the center of the cavity insert 40, the step surface 54 is at the same level as the parting surface 43, the step surface 54 is higher than the bottom surface of the second mounting groove, and the height difference between the step surface 54 and the bottom surface of the second mounting groove is H, that is, the bottom surface of the second mounting groove and the bottom surface of the recess 41 are also at the same level. For machining reasons, a first line-cut R angle 53 is formed between the bottom surface and both side surfaces of the second mounting groove, and the R value of the first line-cut R angle 53 is not more than the H value.

Next, the second insert 60 is detachably mounted in the second insert mounting groove 52, and the second insert 60 is similar to a 7-shape.

Specifically, the second insert 60 includes an insertion portion 61 and a forming portion 62, wherein the forming portion 62 is integrally formed at the top of the insertion portion 61, and the insertion portion 61 is adapted to the first mounting groove and the forming portion 62 is adapted to the second mounting groove, so that the second insert 60 is mounted in place. Meanwhile, the top surface of the molding part 62 is provided with a third molding surface 621 for molding the first appearance surface 102, the side surface of the molding part 62 is provided with a fourth molding surface 622 for molding the second appearance surface 104, and the bottom surface of the molding part 62 is provided with a plane surface, and the bottom surface of the molding part 62 can abut against the bottom surface of the second mounting groove and extend to abut against the bottom surface of the groove 41, i.e., the bottom surface of the molding part 62 is lower than the parting surface 43. For machining reasons, a second line cut R-angle 611 is formed at the transition between the insert part 61 and the forming part 62, the R-value of the second line cut R-angle 611 being the same as the R-value of the first line cut R-angle 53 and not greater than the H-value.

In the present embodiment, the above-mentioned H value is set to 0.2mm to 0.5mm, and the R value of the first cut R angle 53 and the R value of the second cut R angle 611 are not larger than the H value. Preferably, for processing convenience, the H value, the R value of the first R angle 53 and the R value of the second R angle 611 are all 0.2 mm.

According to the utility model, the second insert is arranged to comprise the embedded part and the forming part, so that the damage frequency of the second insert can be reduced while the integral strength of the second insert is ensured, and the assembly of the second insert is not influenced; simultaneously, through set up the recess on the die joint of inserting at cavity benevolence, set up the second mounting groove that is less than the step face simultaneously on first inserting to make the bottom surface of shaping portion closely lean on the bottom surface of recess and second mounting groove, can guarantee like this that shaping product outward appearance face is unhairing limit, improve shaping product quality.

Thirdly, the limit structure is set to be the fastening screw 70 which is simple and easy to obtain, and the cavity insert 30 is provided with a threaded hole (schematically shown in the figure) which is matched with the fastening screw 70, so that the bottom surface of the nut of the fastening screw 70 is abutted against the top surface of the second insert 60, the threaded section of the fastening screw 70 is in threaded connection with the threaded hole of the cavity insert 30, and the second insert 60 can be fixed from the front surface of the cavity insert 30 through the fastening screw 70, which is convenient and fast.

In other embodiments, the limiting structure may also be fixed by other structures besides the fastening screw, such as a stop block, and is not described herein again.

Finally, in order to achieve good limiting, an avoiding groove 51 avoiding the fastening screw 70 is further provided at the top end of the first insert 50, so that the second insert 60 is fixed on the first insert 50 by the fastening screw 70 and the second insert 60 is prevented from moving during mold opening to affect the product quality of the molded product 100.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A mosaic structure, includes that detachably installs cavity mould benevolence income (40) in cavity mould benevolence (30), its characterized in that: the die core insert structure comprises a die core insert (30) and is characterized by further comprising a first insert (50), a second insert (60) and a limiting structure, wherein the first insert (50) is detachably mounted in the die core insert (40), the second insert (60) is detachably mounted on the first insert (50) and can abut against the die core insert (40), and the limiting structure is detachably mounted on the die core (30) and can limit the second insert (60).

2. A mosaic structure according to claim 1, wherein: the female die core insert (40) is provided with a first insert mounting groove (42), the first insert (50) is detachably mounted in the first insert mounting groove (42), the second insert (60) comprises an inserting portion (61) and a forming portion (62), the forming portion (62) is fixedly arranged at the top of the inserting portion (61), the forming portion (62) is far away from the limiting structure, the first insert (50) is provided with a second insert mounting groove (52) matched with the second insert (60), and the second insert (60) is detachably mounted in the second insert mounting groove (52).

3. A mosaic structure according to claim 2, wherein: the second insert mounting groove (52) comprises a first mounting groove matched with the embedding part (61) and a second mounting groove matched with the forming part (62), a step surface (54) is arranged at the top of the first insert (50), the bottom surface of the second mounting groove is lower than the step surface (54), a groove (41) is arranged on a parting surface (43) of the cavity insert (40), the groove (41) is communicated with the first insert mounting groove (42), and the bottom surface of the forming part (62) is tightly abutted to the groove (41) and the bottom surface of the second mounting groove.

4. A mosaic structure according to claim 3, wherein: the bottom surface of the forming part (62) is set to be a plane, and the parting surface (43) and the step surface (54) are located on the same plane.

5. A mosaic structure according to claim 4, wherein: the depth of the groove (41) is set to be 0.2 mm-0.5 mm.

6. A mosaic structure according to claim 2, wherein: the insert portion (61) is integrally formed with the molding portion (62).

7. A mosaic structure according to claim 1, wherein: the limiting structure is a fastening screw (70), a threaded hole matched with the fastening screw (70) is formed in the cavity insert (30), the bottom surface of a screw cap of the fastening screw (70) is abutted against the top surface of the second insert (60), and the threaded section of the fastening screw (70) is in threaded connection with the threaded hole of the cavity insert (30).

8. A mosaic structure according to any one of claims 1 to 7, wherein: an avoiding groove (51) for avoiding the limiting structure is formed in the top end of the first insert (50).