CN216544581U

CN216544581U - Injection mold with locking function

Info

Publication number: CN216544581U
Application number: CN202123012339.8U
Authority: CN
Inventors: 李世雄; 叶新云; 龙永书
Original assignee: Perfect Group Holdings Ltd
Current assignee: Perfect Group Holdings Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-17
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to an injection mold with a locking function, which is used for injection molding products and comprises a top mold mechanism, a bottom mold mechanism and a pouring mechanism, wherein the top mold mechanism comprises a female mold plate, a connecting piece connected with one end of the female mold plate and a spring bolt piece pivoted with the connecting piece, the bottom mold mechanism comprises a male mold plate, a fastening component and a bottom plate, the male mold plate is used for enclosing a cavity with the female mold plate in a matched mode, the fastening component is fastened with the spring bolt piece, the bottom plate is connected with one side, away from the male mold plate, of the fastening component, and the pouring mechanism is provided with a pouring gate which penetrates through the female mold plate and is communicated with the cavity. According to the injection mold with the locking function, the female mold plate and the male mold plate are locked together by buckling the locking tongue piece and the buckling component, when molten plastic is injected into a cavity through a pouring gate of the pouring mechanism, the female mold plate and the male mold plate are subjected to the locking force of buckling the locking tongue piece and the buckling component, and the female mold plate and the male mold plate are prevented from being separated, so that the shape of an injection product is ensured, and the injection product is prevented from being scrapped.

Description

Injection mold with locking function

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with a locking function.

Background

With the development of injection molding technology, an injection mold is developed, and the injection mold is manufactured by injecting molten plastic into a cavity in the mold, and cooling, solidifying and molding the molten plastic in the cavity. In the prior art, an injection mold is divided into a male mold and a female mold, molten plastic is manufactured into a product in a cavity formed after the male mold and the female mold are closed, then the male mold and the female mold are separated, and the solidified product is taken out.

SUMMERY OF THE UTILITY MODEL

Therefore, the injection mold with the locking function is needed to solve the problem that the deformed cavity causes the rejection of the injection product.

The utility model provides an injection mold with locking function, a product for moulding plastics, this injection mold includes top mould mechanism, die block mechanism reaches the pouring mechanism of being connected with top mould mechanism, top mould mechanism includes the female mould board, the connecting piece of being connected with the one end of female mould board, the spring bolt spare with the connecting piece pin joint, die block mechanism includes the public template, lock joint component and bottom plate, the public template is used for enclosing into the die cavity with the female mould board compound die, lock joint component is connected with one side that the public template was kept away from the female mould board with the public template back, lock joint component and spring bolt spare lock joint, the bottom plate is connected with one side that the lock joint component deviates from the public template, pouring mechanism has the sprue gate that passes the female mould board and communicate with the die cavity.

Above-mentioned injection mold with locking function, through lock tongue spare and lock joint component lock joint with the female mould board together with the public template locking, when the sprue gate that the molten plastics passes through the pouring mechanism pours into the die cavity, female mould board and public template receive the locking force of lock tongue spare and lock joint component lock joint, avoid female mould board and public template separation to guarantee injection moulding product's shape, avoid injection moulding product to scrap.

In one embodiment, the fastening assembly comprises at least two fastening plates, each fastening plate is stacked in sequence in a direction away from the core, one end of each fastening plate is provided with a fastening groove, the lock tongue piece is provided with corresponding fastening parts of each fastening groove, and the number of the fastening parts is the same as that of the fastening grooves.

In one embodiment, each buckling part is provided with a butting surface which is correspondingly butted with each buckling groove, and the area of each butting surface is gradually reduced towards the direction far away from the core insert.

In one embodiment, the top die mechanism further comprises a panel and an elastic piece, the panel is connected with one side of the female die plate, which is far away from the male die plate, the elastic piece is arranged between the panel and the bolt piece and provides elastic force for pushing one end of the bolt piece to be far away from the panel.

In one embodiment, the panel is provided with a mounting groove for mounting the elastic member.

In one embodiment, the top die mechanism further comprises a driving member connected with the connecting member, the driving member is positioned at one end of the bolt piece, which is far away from the elastic member, and the driving member is used for driving the bolt piece to be close to the panel.

In one embodiment, the top die mechanism further comprises an adapter connected with the driving end of the driving part and a rotating wheel pivoted with the adapter, and the rotating wheel is arranged at one end, close to the bolt piece, of the adapter.

In one embodiment, the top die mechanism further comprises a guide rod connected with the adapter, the guide rod is located at one end of the adapter, which is far away from the bolt piece, and the connector is provided with a guide hole for the guide rod to pass through.

In one embodiment, the number of the guide rods is two, and the two guide rods are respectively arranged on two sides of the driving piece.

In one embodiment, the bottom die mechanism further comprises a guide member connected to the bottom plate, the guide member being provided with a guide groove corresponding to the latch member, the guide groove extending from the bottom plate in a direction toward the connecting member.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold with a locking function according to an embodiment of the present invention;

fig. 2 is a sectional view of the injection mold having a locking function of fig. 1;

fig. 3 is an enlarged view of a portion a of the injection mold having a locking function shown in fig. 2.

The reference numbers in the drawings have the meanings given below:

the injection mold comprises an injection mold 100 with a locking function, a top mold mechanism 10, a female mold plate 11, a connecting piece 12, a bolt piece 13, a buckling part 131, a buckling surface 132, a panel 14, a mounting groove 141, an elastic piece 15, a driving piece 16, an adapter piece 17, a rotating wheel 18, a guide rod 19, a bottom mold mechanism 20, a male mold plate 21, a buckling component 22, a buckling plate 221, a buckling groove 222, a bottom plate 23, a guide piece 24, a guide groove 241, a pouring mechanism 30, a pouring gate 31 and a cavity 40.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, an injection mold 100 with a locking function according to an embodiment of the present invention is used for injection molding of a product, and includes a top mold mechanism 10, a bottom mold mechanism 20, and a pouring mechanism 30 connected to the top mold mechanism 10.

Referring to fig. 2, the top mold mechanism 10 includes a female mold plate 11, a connecting member 12 and a locking bolt member 13. The master plate 11 is used for closing the bottom mold mechanism 20 to enclose the cavity 40. The connecting pieces 12 are connected with one end of the female die plate 11, the number of the connecting pieces 12 is two, and the two connecting pieces 12 are respectively arranged at two opposite ends of the female die plate 11. The latch pieces 13 are pivoted with the connecting pieces 12, the number of the latch pieces 13 is the same as that of the connecting pieces 12, and the latch pieces 13 are used for being buckled with the bottom die mechanism 20. It can be understood that the latch piece 13 is connected with the female mold plate 11 through the connecting piece 12, the connecting piece 12 can be integrated with the female mold plate 11, the integrated female mold plate 11 and the connecting piece 12 are structurally stable, the installation is facilitated, and the fastening stability of the latch piece 13 and the bottom mold mechanism 20 can be improved. The top mold mechanism 10 further includes a face plate 14 and a resilient member 15. The face plate 14 is connected with the side of the female die plate 11 departing from the male die plate 21, and the face plate 14 is provided with a mounting groove 141 for mounting the elastic element 15. The elastic member 15 is disposed between the panel 14 and the latch member 13, and provides an elastic force for pushing one end of the latch member 13 away from the panel 14. Specifically, the elastic member 15 is installed in the installation groove 141, and the elastic member 15 provides an elastic force for pushing one end of the latch member 13 away from the panel 14, which is beneficial to improving the locking firmness of the latch member 13 and the bottom die mechanism 20.

The top die mechanism 10 further comprises a driving member 16 connected to the connecting member 12, the driving member 16 is located at an end of the latch member 13 away from the elastic member 15, and the driving member 16 is used for driving the latch member 13 to approach the panel 14. The drive member 16 is one of an air cylinder or a hydraulic cylinder. The cylinder selecting speed is high, and the production efficiency is favorably improved. The pressure of the oil cylinder is stable, and the production yield is improved. The top die mechanism 10 further comprises an adapter 17 connected with the driving end of the driving member 16 and a rotating wheel 18 pivoted with the adapter 17, wherein the rotating wheel 18 is arranged at one end of the adapter 17 close to the bolt piece 13. The rotating wheel 18 pivoted with the adapter 17 is beneficial to reducing the static friction force generated when the driving piece 16 pushes the bolt piece 13, reducing the abrasion of the bolt piece 13 and prolonging the service life of the bolt piece 13. The top die mechanism 10 further comprises a guide rod 19 connected to the adaptor 17, the guide rod 19 being located at an end of the adaptor 17 facing away from the latch member 13, and the connecting member 12 being provided with a guide hole (not shown) through which the guide rod 19 passes. The guide rod 19 is matched with the guide hole to guide the adaptor 17 to push towards the bolt piece 13, so that the guide precision of the adaptor 17 is improved. Further, two guide rods 19 are provided, and the two guide rods 19 are respectively disposed on two sides of the driving member 16. The two guide rods 19 facilitate further improving the guiding accuracy of the adaptor 17.

Referring to fig. 2 and 3, the bottom mold mechanism 20 includes a male mold plate 21, a fastening assembly 22 and a bottom plate 23. The male mold plate 21 is used for being matched with the female mold plate 11 to enclose a cavity 40. The fastening component 22 is fastened with the bolt piece 13, the fastening component 22 is connected with one side of the male template 21, which deviates from the female template 11, the fastening component 22 comprises at least two fastening plates 221, each fastening plate 221 is sequentially stacked in the direction away from the male mold core, one end of each fastening plate 221 is provided with a fastening groove 222, the bolt piece 13 is provided with fastening parts 131 corresponding to the fastening grooves 222, and the number of the fastening parts 131 is the same as that of the fastening grooves 222. The plurality of clips 221 facilitate lifting the locking force when the latch 13 is fastened to the fastening assembly 22. Each buckling part 131 is provided with a buckling resisting surface 132 correspondingly abutted with each buckling groove 222, and the area of each buckling resisting surface 132 is gradually reduced towards the direction far away from the core. The sequentially decreasing fastening surfaces 132 facilitate the respective fastening portions 131 to be separated from the corresponding fastening grooves 222 one by one when the female mold plate 11 is separated from the male mold plate 21. The base plate 23 is attached to the side of the fastening assembly 22 facing away from the core plate 21. The bottom die mechanism 20 further includes a guide member 24 connected to the bottom plate 23, the guide member 24 being provided with a guide groove 241 corresponding to the latch piece 13, the guide groove 241 extending from the bottom plate 23 toward the connecting member 12. The guide groove 241 facilitates guiding the engagement and disengagement of the latch piece 13 with the guide groove 241, and improves the engagement accuracy of the latch piece 13 with the guide groove 241.

The pouring mechanism 30 has a pouring gate 31 penetrating the mother die plate 11 and communicating with the cavity 40.

Above-mentioned injection mold 100 with locking function, through tongue piece 13 and the lock joint subassembly 22 lock female mould board 11 and public template 21 together, when the die cavity 40 of pouring gate 31 injection public template 21 of pouring mechanism 30 is gone into to molten plastics, female mould board 11 and public template 21 receive the locking force of tongue piece 13 and lock joint subassembly 22 lock joint, avoid female mould board 11 and public template 21 separation to guarantee the shape of injection moulding product, avoid the injection moulding product to scrap.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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

1. An injection mold with a locking function, comprising:

the mould jacking mechanism comprises a female mould plate, a connecting piece connected with one end of the female mould plate and a bolt piece pivoted with the connecting piece;

the bottom die mechanism comprises a male die plate, a fastening component and a bottom plate, the male die plate is used for being matched with the female die plate to form a cavity, the fastening component is connected with one side of the male die plate, which is away from the female die plate, and is fastened with the spring bolt piece, and the bottom plate is connected with one side of the fastening component, which is away from the male die plate; and

and the pouring mechanism is connected with the top die mechanism and is provided with a pouring gate which penetrates through the female die plate and is communicated with the cavity.

2. The injection mold with the locking function according to claim 1, wherein the fastening assembly comprises at least two fastening plates, each fastening plate is stacked in sequence in a direction away from the core, one end of each fastening plate is provided with a fastening groove, the latch piece is provided with fastening portions corresponding to the fastening grooves, and the number of the fastening portions is the same as the number of the fastening grooves.

3. The injection mold with the locking function according to claim 2, wherein each of the fastening portions has a retaining surface that is correspondingly abutted against each of the fastening grooves, and the area of each of the retaining surfaces decreases in sequence in a direction away from the core insert.

4. The injection mold with locking function as claimed in claim 1, wherein the top mold mechanism further comprises a panel and an elastic member, the panel is connected to a side of the female mold plate away from the male mold plate, the elastic member is disposed between the panel and the latch member and provides an elastic force for pushing one end of the latch member away from the panel.

5. The injection mold with locking function as claimed in claim 4, wherein the panel is provided with a mounting groove for mounting the elastic member.

6. The injection mold with locking function as claimed in claim 4, wherein the top mold mechanism further comprises a driving member connected to the connecting member, the driving member is located at an end of the latch member away from the elastic member, and the driving member is used for driving the latch member to approach the panel.

7. The injection mold with the locking function according to claim 6, wherein the top mold mechanism further comprises an adapter connected to the driving end of the driving member and a rotating wheel pivotally connected to the adapter, and the rotating wheel is disposed at one end of the adapter close to the locking tongue member.

8. The injection mold with the locking function according to claim 7, wherein the mold ejecting mechanism further comprises a guide rod connected with the adapter, the guide rod is located at one end of the adapter, which is far away from the latch member, and the connecting member is provided with a guide hole for the guide rod to pass through.

9. The injection mold with locking function as claimed in claim 8, wherein the number of the guide rods is two, and the two guide rods are respectively disposed at two sides of the driving member.

10. The injection mold with locking function according to claim 1, wherein the bottom mold mechanism further comprises a guide member connected to the bottom plate, the guide member being provided with a guide groove corresponding to the latch member, the guide groove extending from the bottom plate toward the connecting member.