CN218660293U

CN218660293U - Exhaust insert structure and mold

Info

Publication number: CN218660293U
Application number: CN202222342386.7U
Authority: CN
Inventors: 朱耀武
Original assignee: Jiangxi Xiangzhe Precision Technology Co ltd
Current assignee: Jiangxi Xiangzhe Precision Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-21
Anticipated expiration: 2032-09-02

Abstract

The utility model belongs to the technical field of the mould, especially, relate to an exhaust mold insert structure and mould. Exhaust mold insert structure, including mould benevolence and exhaust mold insert, mould benevolence middle part is equipped with a concave station, the exhaust mold insert is constructed and is inserted in the concave station, the concave station with the lateral wall of laminating is equipped with a plurality of first exhaust grooves between the exhaust mold insert, the bottom surface of mould benevolence is equipped with a plurality of second exhaust grooves, every the end in first exhaust groove all communicates one the second exhaust groove, second exhaust groove and venthole intercommunication, produced gaseous dispersion flow when the product is moulded plastics is a plurality of exhaust groove, a plurality of the second exhaust groove is followed the venthole is discharged. The exhaust insert structure has the advantage of quickly exhausting gas generated during injection molding of a product.

Description

Exhaust insert structure and mold

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to an exhaust mold insert structure and mould.

Background

In the process of producing products by the mold, when the mold is closed, the phenomenon of air trapping is generated in the mold cavity of the mold. The trapped gas refers to the phenomenon that gas or air contained in the injection molding process cannot be effectively discharged and trapped in the product in the filling process, and the reason for the trapped gas is mainly as follows: 1. because the middle of the product is not exhausted, the gas at the position of the area cannot be exhausted in time during injection molding, so that gas trapping is formed at the position; 2. the trapped gas position is far away from the periphery, and the gas at the periphery of the die can not be exhausted in time to discharge the gas in the middle. The trapped air can cause the poor appearance of the product and the scrapping of the product, so that the produced product has bubbles or is not full of the gas, and the defective rate is greatly improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust mold insert structure and mould aims at solving among the prior art drowned gas can lead to product appearance bad and scrap and cause the product of producing to have the bubble or annotate discontented, leads to technical problem such as defective percentage improves greatly.

For realizing the above purpose, the embodiment of the utility model provides a pair of exhaust mold insert structure, including mould benevolence and exhaust mold insert, mould benevolence middle part is equipped with a concave station, the exhaust mold insert is constructed and is inserted in the concave station, the concave station with the lateral wall of laminating is equipped with a plurality of first exhaust grooves between the exhaust mold insert, the bottom surface of mould benevolence is equipped with a plurality of second exhaust grooves, every the end in first exhaust groove all communicates one the second exhaust groove, second exhaust groove and venthole intercommunication, produced gaseous dispersion is flowed through a plurality ofly when the product is moulded plastics exhaust groove, a plurality of the second exhaust groove is followed the venthole is discharged.

Preferably, a plurality of first exhaust groove sets up along the horizontal direction interval, the outer peripheral edges of concave station are equipped with round third exhaust groove, and is a plurality of first exhaust groove all with third exhaust groove intercommunication.

Preferably, the mold core is provided with a guide pin, and the exhaust insert is provided with a guide hole matched with the exhaust insert.

Preferably, the number of the guide pins is two, and the two guide pins are respectively located on two sides of the die core.

Preferably, a fixing part and a first fixing hole are arranged on the exhaust insert, a second fixing hole is arranged at the position corresponding to the mold core, and the exhaust insert is fixedly connected with the mold core through the fixing part.

Preferably, the number of the fixing parts is four, and the four fixing parts are respectively positioned at four corners of the exhaust insert.

Preferably, this exhaust mold insert structure still includes supplementary mold insert, be equipped with the buckle on the supplementary mold insert, be equipped with the draw-in groove rather than assorted on the exhaust mold insert.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the exhaust mold insert structure have one of following technological effect at least: when the exhaust insert structure is used, the exhaust insert is inserted into the concave table of the mold core, and gas generated during product injection molding is dispersed and flows through the plurality of exhaust grooves and the plurality of second exhaust grooves and is exhausted from the air outlet; the exhaust insert structure has the advantage that gas generated during product injection molding is rapidly exhausted through the matching of the exhaust insert and the mold core.

In order to achieve the above object, an embodiment of the present invention provides a mold having the exhaust insert structure.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the mould have one of following technological effect at least: the mold with the exhaust insert structure has the advantage that gas generated during injection molding of a product is rapidly exhausted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an exhaust insert structure and a mold provided by the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a mold insert of an exhaust insert structure according to an embodiment of the present invention.

Fig. 3 is a bottom view of the exhaust insert structure and the mold provided in the embodiment of the present invention.

Fig. 4 is a top view of the exhaust insert structure and the mold provided by the embodiment of the present invention.

Fig. 5 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A shown in fig. 4.

Fig. 6 is a sectional view taken along the line B-B shown in fig. 4.

Fig. 7 is a sectional view taken along the line C-C shown in fig. 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of the description of the embodiments of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In an embodiment of the present invention, as shown in fig. 1 to 7, a provided exhaust insert structure 100 includes a mold core 110 and an exhaust insert 120, the middle of the mold core 110 is provided with a concave station 111, the exhaust insert 120 is configured to be inserted into the concave station 111, the concave station 111 and the side wall attached between the exhaust insert 120 are provided with a plurality of first exhaust grooves 112, the bottom surface of the mold core 110 is provided with a plurality of second exhaust grooves 113, each the end of the first exhaust groove 112 is communicated with one of the second exhaust grooves 113, the second exhaust grooves 113 are communicated with an air outlet (not shown), and the gas generated during the injection molding of the product flows through the plurality of exhaust grooves 112, a plurality of the second exhaust grooves 113 are discharged from the air outlet.

When the exhaust insert structure 100 is used, the exhaust insert 120 is inserted into the concave table 111 of the mold core 110, and gas generated during product injection molding is dispersed to flow through the plurality of exhaust grooves 112 and the plurality of second exhaust grooves 113 and is exhausted from the vent hole; the exhaust insert structure 100 has an advantage of rapidly exhausting gas generated during injection molding of a product by the cooperation of the exhaust insert 120 and the mold core 110.

In another embodiment of the present invention, as shown in fig. 2, a plurality of the first exhaust grooves 112 are arranged along a horizontal direction, the outer periphery of the concave platform 111 is provided with a circle of third exhaust grooves 114, and the plurality of the first exhaust grooves 112 are all communicated with the third exhaust grooves 114.

In another embodiment of the present invention, for convenience, the exhaust insert 120 is inserted into the concave 111, as shown in fig. 1 and 2, the mold core 110 is provided with a guide pin 115, and the exhaust insert 120 is provided with a guide hole 121 matched with the exhaust insert.

In another embodiment of the present invention, as shown in fig. 1 and 2, the number of the guide pins 115 is two, and two of the guide pins 115 are respectively located at two sides of the mold core 110, so that the exhaust insert 120 can be inserted into the recessed table 111 to provide better guiding and positioning functions.

In another embodiment of the present invention, as shown in fig. 1 and 6, a fixing member 122 and a first fixing hole 123 are disposed on the exhaust insert 120, a second fixing hole 116 is disposed at a position corresponding to the mold insert 110, the exhaust insert 120 passes through the fixing member 122 and the mold insert 110, and the fixing member 122 may be a bolt, a pin, a screw, or the like.

In another embodiment of the present invention, as shown in fig. 1, the number of the fixing members 122 is four, and four of the fixing members 122 are respectively located at four corners of the exhaust insert 120, such a design can provide a better and stable fixing effect.

In another embodiment of the present invention, as shown in fig. 2 and 5, the exhaust insert structure 100 further includes an auxiliary insert 130, the auxiliary insert 130 is provided with a buckle 131, the exhaust insert 120 is provided with a clamping groove 124 matched with the auxiliary insert, such a design is convenient for the insertion of the exhaust insert 120, and on the other hand, the auxiliary insert 130 and the exhaust insert 120 have a gap therebetween to provide better exhaust effect.

In one embodiment of the present invention, as shown in fig. 1-7, a mold is provided having the exhaust insert structure 100 described above. The mold with the exhaust insert structure 100 has the advantage that the exhaust insert structure 100 can exhaust gas generated during injection molding of a product quickly.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The exhaust insert structure (100) is characterized by comprising a mold core (110) and an exhaust insert (120), wherein a concave platform (111) is arranged in the middle of the mold core (110), the exhaust insert (120) is inserted into the concave platform (111), a plurality of first exhaust grooves (112) are formed in the side wall attached between the concave platform (111) and the exhaust insert (120), a plurality of second exhaust grooves (113) are formed in the bottom surface of the mold core (110), the tail end of each first exhaust groove (112) is communicated with one second exhaust groove (113), the second exhaust grooves (113) are communicated with an exhaust hole, and gas generated in product injection molding flows through the plurality of exhaust grooves (112) and the plurality of second exhaust grooves (113) and is exhausted from the exhaust hole.

2. The exhaust insert structure (100) according to claim 1, wherein a plurality of the first exhaust grooves (112) are arranged at intervals in a horizontal direction, a ring of third exhaust grooves (114) are formed in the outer periphery of the recessed table (111), and the plurality of the first exhaust grooves (112) are communicated with the third exhaust grooves (114).

3. The exhaust insert structure (100) according to claim 1, wherein the mold core (110) is provided with a guide pin (115), and the exhaust insert (120) is provided with a guide hole (121) matching therewith.

4. The vented insert structure (100) according to claim 3, wherein the number of the guide pins (115) is two, and the two guide pins (115) are respectively located on both sides of the mold core (110).

5. The exhaust insert structure (100) according to claim 1, wherein a fixing member (122) and a first fixing hole (123) are provided on the exhaust insert (120), a second fixing hole (116) is provided at a position corresponding to the mold core (110), and the exhaust insert (120) is fixedly connected with the mold core (110) through the fixing member (122).

6. The vented insert structure (100) of claim 5, wherein the number of the fixtures (122) is four, and four fixtures (122) are located at four corners of the vented insert (120), respectively.

7. The venting insert structure (100) according to claim 1, wherein the venting insert structure (100) further comprises an auxiliary insert (130), the auxiliary insert (130) is provided with a buckle (131), and the venting insert (120) is provided with a clamping groove (124) matched with the auxiliary insert.

8. A mold (200) having the vented insert structure (100) of any of claims 1-7.