CN220883035U - Forming die - Google Patents

Abstract

The application provides a forming die which comprises an upper die mechanism, a lower die mechanism, a first forming assembly and a second forming assembly, wherein the first forming assembly is arranged on the lower die mechanism, the second forming assembly is arranged on the lower die mechanism and is opposite to the first forming assembly, when the upper die mechanism and the lower die mechanism are closed, the first forming assembly and the second forming assembly are cooperated to form a forming cavity for injection molding a product, the first forming assembly comprises a first forming sliding block, the upper die mechanism is inserted into the first forming assembly to enable the first forming sliding block to participate in surrounding to form a forming cavity, and when the upper die mechanism and the lower die mechanism are opened, the first forming sliding block moves towards the lower die mechanism to withdraw the formed product. When the forming die is opened, the upper die mechanism drives the first forming sliding block to move towards the lower die mechanism, so that the first forming sliding block retreats from a formed product, the demolding difficulty of the forming die is reduced, the forming die is enabled to stably finish demolding of the product with the barb, and the forming stability is improved.

Description

Forming die

Technical Field

The present utility model relates to an injection molding apparatus, and more particularly, to a molding die.

Background

Nowadays, the application range of the forming mold is wider and wider, the forming mold can form different types of products, such as earphone bin inner liners, barbs are arranged in accommodating grooves formed in the side walls of the earphone bin inner liners, and the barbs are used for being assembled to the earphone shell main body.

However, when the forming die is opened, the forming sliding block can interfere with the barbs in the process of moving out of the accommodating groove, the accommodating groove is small in structural size, the movement space of the forming sliding block is limited, the forming sliding block is difficult to demould, the barbs of the product are easy to collide with the forming sliding block to break, the formed product is damaged, and the forming stability is reduced.

Disclosure of utility model

In view of the above, it is necessary to provide a molding die to reduce the difficulty of demolding and to improve the molding stability.

The embodiment of the application provides a forming die, which comprises an upper die mechanism and a lower die mechanism which are relatively matched up and down in an opening and closing manner, and further comprises: the first molding assembly is arranged on one side of the lower die mechanism facing the upper die mechanism; the second molding assembly is arranged on one side, facing the upper die mechanism, of the lower die mechanism and is opposite to the first molding assembly; when the upper die mechanism and the lower die mechanism are used for die assembly, the first molding assembly and the second molding assembly are cooperated to form a molding cavity for injection molding products, wherein the first molding assembly comprises a first molding slide block, the upper die mechanism is inserted into the first molding assembly to enable the first molding slide block to participate in circumscribing to form the molding cavity, and when the upper die mechanism and the lower die mechanism are used for die opening, the first molding slide block moves towards the lower die mechanism to withdraw the molded products.

In the forming die, the upper die mechanism and the lower die mechanism are cooperated when being clamped to form a forming cavity by surrounding the forming cavity to form a product through injection molding, wherein the first forming sliding block can participate in surrounding the forming cavity to form a barb structure of the product, the upper die mechanism drives the first forming sliding block to move towards the lower die mechanism when the upper die mechanism and the lower die mechanism are opened, so that the first forming sliding block is retreated from the formed product, interference between the first forming sliding block and a barb structure of the product when the first forming sliding block is opened is avoided, the demolding difficulty of the forming die is reduced, the product with the barb is stably demolded by the forming die, and the forming stability is improved.

In some embodiments, the first molding slide includes a first molding end that participates in surrounding the molding cavity, and a side of the first molding end facing the upper mold mechanism is provided with a first groove for forming the molding cavity.

In some embodiments, the first molding assembly further comprises: the second molding slide block is configured to form the molding cavity in a surrounding mode, a pushing inclined surface is arranged on one side of the molding slide block, facing the upper die mechanism, a pushing matching surface is arranged on one side of the first molding slide block, facing the lower die mechanism, and the second molding slide block slides and pushes the pushing matching surface through the pushing inclined surface so as to drive the first molding slide block to move towards the lower die mechanism when the molding is opened.

In some embodiments, the first molding assembly further comprises: the third molding slide block is arranged in the lower die mechanism and is provided with a containing groove and a first opening which are communicated, the containing groove is used for containing the first molding slide block and the second molding slide block, the first opening is positioned in the position, facing the groove wall of the second molding assembly, of the containing groove and is communicated with the molding cavity when the mold is closed, the first opening is used for avoiding the first molding slide block and the second molding slide block, and the third molding slide block is used for participating in surrounding formation of the molding cavity when the mold is closed and driving the second molding slide block to retract from the molded product when the mold is opened.

In some embodiments, the first molding assembly further comprises: the first elastic piece, the second shaping slider is provided with the holding tank just the notch orientation of holding tank the second shaping subassembly, first elastic piece set up in the holding tank just the both ends of first elastic piece elasticity respectively support hold in the tank bottom of holding tank with the cell wall of holding tank, first elastic piece is used for the drive the second shaping slider is when the die sinking is moved away from the product after the shaping.

In some embodiments, the first molding assembly further comprises: the first limiting piece and the second limiting piece, first spacing hole and second limiting hole have been seted up to the third shaping slider, first spacing hole extends along the die sinking direction, the second limiting hole extends along the direction of perpendicular to die sinking direction, first limiting piece activity wear to locate first shaping slider and penetrate first spacing hole is used for spacingly first shaping slider, second limiting piece activity wear to locate second shaping slider and penetrate the second limiting hole is used for spacing second shaping slider.

In some embodiments, the second molding assembly includes two opposing fourth molding slides, the two fourth molding slides participate in surrounding the forming of the molding cavity to mold the second barb of the product when the upper and lower mold mechanisms are closed, and the two fourth molding slides move relative to each other to withdraw the molded second barb of the product when the upper and lower mold mechanisms are opened.

In some embodiments, each of the fourth molding sliders comprises a second molding end participating in surrounding the molding cavity, and a side of the second molding end facing away from the other fourth molding slider is provided with a second groove for forming the molding cavity.

In some embodiments, the second molding assembly further comprises: the fifth forming slide block is provided with two guide grooves and a third limiting hole, the two guide grooves are arranged at intervals along the direction perpendicular to the die opening direction, the distance between the two guide grooves is gradually reduced along the direction that the second forming assembly points to the first forming assembly, the corresponding fourth forming slide blocks are respectively accommodated, the third limiting hole penetrates through the fifth forming slide block along the direction perpendicular to the die opening direction and is respectively communicated with the two guide grooves, and the fifth forming slide block is used for participating in surrounding formation of the forming cavity during die assembly and driving the two fourth forming slide blocks to relatively move during die opening; the third limiting piece is movably arranged on the two fourth forming sliding blocks, the fifth forming sliding blocks and the third limiting holes in a penetrating mode, and the third limiting piece is used for limiting the movement direction of the fourth forming sliding blocks.

In some embodiments, the second molding assembly further comprises: the sixth forming slide block is arranged in the lower die mechanism and is provided with a containing groove and a second opening which are communicated, the containing groove is used for containing the fifth forming slide block, the second opening is positioned in the containing groove, which faces the groove wall of the first forming assembly, and is communicated with the forming cavity when the dies are closed, the second opening is used for avoiding the fourth forming slide block and the fifth forming slide block, and the sixth forming slide block is used for participating in surrounding formation of the forming cavity when the dies are closed and driving the fifth forming slide block to retract from the formed product when the dies are opened.

Drawings

Fig. 1 is a schematic perspective view of a forming mold according to an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of the molding die shown in FIG. 1 along the direction II-II.

Fig. 3 is a schematic perspective view of a top mold mechanism, a first molding assembly, a second molding assembly and a product adapted to the molding mold in the molding mold shown in fig. 1.

FIG. 4 is a schematic cross-sectional view of the molding die and the product shown in FIG. 3 along the direction IV-IV.

Fig. 5 is a schematic cross-sectional view of the molding die and the product shown in fig. 3 along the v-v direction.

Fig. 6 is an exploded view of the upper die mechanism, first molding assembly and second molding assembly of fig. 3.

Fig. 7 is an exploded view of the second molding assembly of fig. 6.

Description of the main reference signs

Forming die 100

Upper die mechanism 101

Lower die mechanism 102

First forming assembly 103

Second molding assembly 104

Forming cavity 105

First forming slide 10

First profiled end 11

First groove 12

Against the mating surface 13

Second forming shoe 20

Push inclined plane 21

Receiving groove 22

Third forming slide 30

Storage groove 31

First opening 32

First limiting hole 33

Second limiting hole 34

Mounting groove 35

First elastic member 40

Second elastic member 41

First limiting member 50

Second limiting member 60

Fourth forming slide 70

Second shaped end 71

Second groove 72

Fifth forming slider 80

Guide groove 81

Third limiting hole 82

Mounting groove 83

Third limiting member 84

Sixth forming slide 85

Accommodating groove 851

Second opening 852

Mounting groove 853

Third elastic member 86

Fourth elastic member 87

Upper die plate 90

Stripper plate 91

Fixing plate 92

First deflector rod 93

First drive rod 94

First push-against rod 95

Second lever 96

Second driving rod 97

Second push rod 98

Product 200

First barb 201

Second barb 202

Detailed Description

The application will be described in detail below with reference to the drawings and the specific embodiments thereof in order to more clearly understand the objects, features and advantages of the application. It should be noted that, without conflict, embodiments of the present application and features in the embodiments may be combined with each other. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, the described embodiments are merely some, rather than all, embodiments of the present application.

Embodiments of the present application will be further described below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present application provides a molding mold 100, referring to fig. 2, the molding mold 100 includes an upper mold mechanism 101, a lower mold mechanism 102, a first molding component 103 and a second molding component 104, and the molding mold 100 is used for molding a product 200. For convenience of explanation and understanding, the product 200 is taken as an example of the earphone house liner, and it is obvious that the embodiment of the present application is not limited to this.

Referring to fig. 2, the upper mold mechanism 101 and the lower mold mechanism 102 are adapted to be opened and closed relatively, referring to fig. 3, the first molding assembly 103 is disposed on a side of the lower mold mechanism 102 facing the upper mold mechanism 101, and the second molding assembly 104 is disposed on a side of the lower mold mechanism 102 facing the upper mold mechanism 101 and opposite to the first molding assembly 103. The upper and lower mold mechanisms 101, 102 cooperate to define a molding cavity 105 for injection molding the product 200 when the first molding assembly 103 and the second molding assembly 104 are closed together. Referring to fig. 4, the first molding assembly 103 includes a first molding slide 10, the upper mold mechanism 101 is inserted into the first molding assembly 103 to enable the first molding slide 10 to participate in surrounding forming a molding cavity 105, and when the upper mold mechanism 101 and the lower mold mechanism 102 are opened, the first molding slide 10 moves toward the lower mold mechanism 102 to withdraw the molded product 200.

In the molding mold 100, the upper mold mechanism 101 and the lower mold mechanism 102 cooperate with the first molding assembly 103 and the second molding assembly 104 to form the molding cavity 105 in a surrounding manner when the upper mold mechanism 101 and the lower mold mechanism 102 are closed, so that the first molding slide 10 can be driven to move towards the lower mold mechanism 102 by the upper mold mechanism 101 when the upper mold mechanism 101 and the lower mold mechanism 102 are opened, the first molding slide 10 is retracted from the molded product 200, interference between the first molding slide 10 and the barb structure of the product 200 when the first molding slide 10 is opened is avoided, the demolding difficulty of the molding mold 100 is reduced, the product 200 with barbs can be stably demolded by the molding mold 100, and the molding stability is improved.

Referring to fig. 3, it can be understood that the upper die mechanism 101 includes an upper die plate 90, a stripper plate 91, a fixing plate 92, a first driving lever 93, a first driving lever 94, a first pushing rod 95, a second driving lever 96, a second driving lever 97, and a second pushing rod 98. The upper die plate 90 and the lower die mechanism 102 are vertically opposite and are in open-close fit, the stripper plate 91 and the lower die mechanism 102 are positioned on two opposite sides of the upper die plate 90, and the fixed plate 92 is positioned on one side of the stripper plate 91 away from the upper die plate 90. The first deflector rod 93 and the second deflector rod 96 are arranged at intervals and are respectively arranged on the stripper plate 91 and the upper template 90 in a penetrating manner, and the first deflector rod 93 and the second deflector rod 96 are respectively connected with the fixed plate 92. The first driving lever 94 and the second lever 96 are located on opposite sides of the first lever 93 in a direction perpendicular to the mold opening direction, respectively, and are connected to the fixed plate 92, and the first push lever 95 is remote from the second lever 96 with respect to the first driving lever 94 and is connected to the fixed plate 92. The second driving lever 97 and the first shift lever 93 are respectively located on opposite sides of the second shift lever 96 in a direction perpendicular to the mold opening direction and are connected to the fixed plate 92, and the second push lever 98 is remote from the second shift lever 96 with respect to the second driving lever 97 and is connected to the fixed plate 92.

Referring to fig. 4, in some embodiments. The first molding slide 10 comprises a first molding end 11 which is involved in surrounding a molding cavity 105, the side of the first molding end 11 facing the upper mold mechanism 101 being provided with a first recess 12 for forming the molding cavity 105.

In this way, by arranging the first molding end 11 and the first groove 12, the first molding end 11 can drive the first groove 12 to move towards the upper mold mechanism 101 when the mold is closed, so that the first groove 12 participates in surrounding to form the molding cavity 105, thereby enabling the first groove 12 to stably mold the barb structure of the product 200, namely the first barb 201 as shown in fig. 4, and improving the molding stability. In addition, the first molding slide block 10 can drive the first groove 12 to move towards the lower mold mechanism 102 during mold opening, so that the first groove 12 is separated from the molded barb structure, and the barb structure of the product 200 is prevented from being broken by collision with the first molding end 11, thereby reducing the demolding difficulty of the product 200 with the barb structure and further improving the molding stability.

In some embodiments, the first molding assembly 103 further comprises a second molding slide 20 configured to participate in surrounding the forming cavity 105 and provided with a push-on ramp 21 on a side facing the upper mold mechanism 101, the first molding slide 10 provided with a push-on mating surface 13 on a side facing the lower mold mechanism 102, the second molding slide 20 sliding push-on the push-on mating surface 13 via the push-on ramp 21 to drive the first molding slide 10 to move towards the lower mold mechanism 102 upon mold opening.

When the forming die 100 is closed, the first deflector rod 93 pushes the second forming slide 20 to move towards the second forming assembly 104, so that the second forming slide 20 participates in surrounding forming the forming cavity 105, and pushes the adapting surface 13 in a sliding way through the pushing inclined surface 21 to drive the first forming slide 10 to move towards the upper die mechanism 101; when the molding die 100 is opened, the first deflector rod 93 drives the second molding slide 20 to move away from the second molding assembly 104, so that the second molding slide 20 is retracted away from the molded product 200, and at the same time, the second molding slide 20 drives the first molding slide 10 to move away from the upper die mechanism 101 by friction between the pushing inclined surface 21 and the pushing adapting surface 13 to retract away from the barb structure of the product 200. In this way, the second molding slide 20 acts on the pushing matching surface 13 through the pushing inclined surface 21, so that the second molding slide 20 can rely on the friction force between the second molding slide 20 and the first molding slide 10, thereby stably driving the first molding slide 10 to participate in forming the molding cavity 105 or withdrawing the barb structure of the product 200, which is beneficial to improving the molding stability.

In some embodiments, the first molding assembly 103 further includes a third molding slide 30, where the third molding slide 30 is disposed in the lower mold mechanism 102 and is provided with a receiving slot 31 and a first opening 32 that are in communication, the receiving slot 31 is configured to receive the first molding slide 10 and the second molding slide 20, the first opening 32 is located at a slot wall of the receiving slot 31 facing the second molding assembly 104 and is in communication with the molding cavity 105 when the mold is closed, the first opening 32 is configured to avoid the first molding slide 10 and the second molding slide 20, and the third molding slide 30 is configured to participate in molding the product 200 when the mold is closed and to drive the second molding slide 20 to withdraw from the molded product 200 when the mold is opened.

In this way, by providing the third molding slide 30, the first driving rod 94 is separated from the first molding assembly 103 during mold opening, so that the third molding slide 30 can move away from the second molding assembly 104 by virtue of the friction force between the first driving rod 94 and the second molding slide 30, so that the third molding slide 30 drives the first molding slide 10 and the second molding slide 20 separated from the product 200 to further separate from the product 200, a gap is formed between the first molding assembly 103 and the product 200, and interference between the subsequent product 200 and the first molding assembly 103 is avoided when the subsequent product 200 is ejected out of the lower mold mechanism 102 by other mechanisms, which is beneficial to improving the molding stability. Further, by providing the first opening 32, the first opening 32 can be kept away from the first molding slide 10 and the second molding slide 20 when the mold is closed, and the first molding slide 10 and the second molding slide 20 can be prevented from interfering with the third molding slide 30 when the mold cavity 105 is formed.

As can be appreciated, the first pushing rod 95 pushes the third molding slide 30 against the side facing away from the second molding assembly 104 during mold closing, so that the third molding slide 30 moves steadily toward the second molding assembly 104, so that the third molding slide 30 stably encloses the molding cavity 105, and molten plastic is prevented from overflowing from the connection between the third molding slide 30 and other structures, so as to improve molding stability.

Referring to fig. 6, in some embodiments, the first molding assembly 103 further includes a first elastic member 40, the second molding slider 20 is provided with a receiving slot 22, a notch of the receiving slot 22 faces the second molding assembly 104, the first elastic member 40 is disposed in the receiving slot 22, two ends of the first elastic member 40 respectively elastically support against a bottom of the receiving slot 22 and a slot wall of the receiving slot 31, and the first elastic member 40 is used for driving the second molding slider 20 to withdraw from the molded product 200 when the mold is opened. In this embodiment, the first elastic member 40 may be a spring.

In this way, by providing the first elastic member 40, the first elastic member 40 can provide elastic force when opening the mold and drive the second molding slide 20 to quickly withdraw from the molded product 200, so as to improve the demolding efficiency and further improve the molding efficiency. In addition, the accommodating groove 22 is provided to accommodate the first elastic element 40, so that the first elastic element 40 can be limited, and the first elastic element 40 always provides elastic force along the extending direction of the accommodating groove 22, so that the stability of the elastic force provided by the first elastic element 40 is improved, and the die opening stability of the forming die 100 is further improved.

In some embodiments, the first molding assembly 103 further includes a second elastic member 41, a mounting groove 35 is disposed on a side of the third molding slider 30 facing the second molding assembly 104, the second elastic member 41 is disposed in the mounting groove 35, and two ends of the second elastic member 41 respectively elastically support against a bottom of the mounting groove 35 and the lower mold mechanism 102, so that the second elastic member 41 can provide elastic force when opening the mold and drive the third molding slider 30 to quickly withdraw from the molded product 200, thereby further improving the demolding efficiency and the molding efficiency.

Referring to fig. 4 and 6, in some embodiments, the first molding assembly 103 further includes a first limiting member 50 and a second limiting member 60, the third molding slider 30 is provided with a first limiting hole 33 and a second limiting hole 34, the first limiting hole 33 extends along the mold opening direction, that is, the upper mold mechanism 101 is directed toward the lower mold mechanism 102, the second limiting hole 34 extends along the direction perpendicular to the mold opening direction, that is, the first molding assembly 103 is directed toward the second molding assembly 104, the first limiting member 50 movably penetrates through the first molding slider 10 and penetrates into the first limiting hole 33, the first limiting member 50 is used for limiting the first molding slider 10, the second limiting member 60 movably penetrates through the second molding slider 20 and penetrates into the second limiting hole 34, and the second limiting member 60 is used for limiting the second molding slider 20.

Since the first molding slide 10 moves by virtue of the friction force between the first molding slide 10 and the second molding slide 20, and the contact surface between the two is the pushing inclined surface 21 and the pushing adapting surface 13 which are obliquely arranged, the friction force exerted by the second molding slide 20 applied by the first molding slide 10 along the extending direction of the pushing adapting surface 13 is caused. Thus, the first limiting piece 50 penetrates into the first limiting hole 33, the first limiting piece 50 accommodated in the first limiting hole 33 can be limited by the first limiting hole 33, the first limiting piece 50 always moves along the extending direction of the first limiting hole 33, and accordingly the first limiting piece 50 drives the first forming sliding block 10 to stably move along the direction of the upper die mechanism 101 to the lower die mechanism 102 during die opening, interference between the first groove 12 and the barb structure during die opening is avoided, and the demolding stability is improved. In addition, since the contact surface between the second molding slide 20 and the first deflector 93 is also an inclined surface which is obliquely arranged, the second limiting piece 60 penetrates into the second limiting hole 34, so that the second limiting hole 34 can limit the second limiting piece 60 accommodated therein, and the second limiting piece 60 always moves along the extending direction of the second limiting hole 34, so that the second limiting piece 60 drives the second molding slide 20 to move along the direction perpendicular to the mold opening direction during mold opening, interference between the second molding slide 20 and the product 200 is prevented, and the mold opening stability is further improved.

Referring to fig. 5, in some embodiments, the second molding assembly 104 includes two fourth molding slides 70 disposed opposite to each other, and when the upper mold mechanism 101 and the lower mold mechanism 102 are closed, the two fourth molding slides 70 participate in surrounding forming the molding cavity 105, and when the upper mold mechanism 101 and the lower mold mechanism 102 are opened, the two fourth molding slides 70 are moved relative to each other to withdraw the molded product 200.

In this way, the two fourth molding sliders 70 move away from each other during mold closing and cooperate with the upper mold mechanism 101, the lower mold mechanism 102 and the first molding assembly 103 to form the molding cavity 105, so that the two fourth molding sliders 70 stably mold the two barbs on the other side of the product 200, namely the second barbs 202 as shown in fig. 5, during mold closing, which is beneficial to improving the molding stability of the molding mold 100. In addition, the two fourth molding sliders 70 are driven by the upper mold mechanism 101 to move relatively when the mold is opened, so that the two fourth molding sliders 70 are retracted away from the corresponding barb structures of the product 200, interference between the fourth molding sliders 70 and the corresponding barb structures is avoided when the mold is opened, and the demolding difficulty of the molding mold 100 is reduced, and the molding mold 100 is facilitated to demolding the product 200 with barbs.

In some embodiments, each fourth molding slide 70 includes a second molding end 71 that participates in surrounding the forming cavity 105, and a side of the second molding end 71 facing away from the other fourth molding slide 70 is provided with a second groove 72 for forming the forming cavity 105.

In this way, by providing the second molding end 71 and the second groove 72, the second molding end 71 can be surrounded to form the molding cavity 105, so that the second groove 72 stably molds the second barb 202 of the product 200, and molding stability is improved.

Referring to fig. 5 and 6, in some embodiments, the second molding assembly 104 further includes a fifth molding slide 80 and a third stop 84. The fifth molding slide 80 is provided with two guide grooves 81 and a third limiting hole 82, the two guide grooves 81 are arranged at intervals along the direction perpendicular to the mold opening direction, the distance between the two guide grooves 81 is gradually reduced along the direction that the second molding assembly 104 points to the first molding assembly 103, the corresponding fourth molding slide 70 is respectively accommodated, the third limiting hole 82 penetrates the fifth molding slide 80 along the direction perpendicular to the mold opening direction and is respectively communicated with the two guide grooves 81, and the fifth molding slide 80 is used for participating in molding products 200 during mold closing and driving the two fourth molding slides 70 to relatively move during mold opening. The third limiting piece 84 movably penetrates through the two fourth molding sliders 70, the fifth molding slider 80 and the third limiting hole 82, and the third limiting piece 84 is used for limiting the movement direction of the fourth molding slider 70.

In this way, by providing the fifth molding slide 80, the two fourth molding slides 70 can be driven to move relatively by virtue of the friction force between the fifth molding slide 80 and the two fourth molding slides 70 during mold opening, so that the two fourth molding slides 70 are stably retracted from the two barb structures on the other side of the product 200, which is beneficial to reducing the demolding difficulty of the product 200 and improving the molding stability. In addition, since the two fourth molding sliders 70 receive the friction force applied by the fifth molding slider 80 along the extending direction of the guide groove 81, by providing the third limiting member 84, the third limiting member 84 can be abutted against the hole wall of the third limiting hole 82 when the mold is opened, so that the driving force applied by the fourth molding sliders 70 in the direction perpendicular to the mold opening direction is eliminated, the two fourth molding sliders 70 can only move relatively, interference between the fourth molding sliders 70 and the barb structure is avoided, and the demolding difficulty is reduced, and the molding stability is improved.

Referring to fig. 6 and 7, in some embodiments, the second molding assembly 104 further includes a sixth molding slide 85, where the sixth molding slide 85 is disposed in the lower mold mechanism 102 and is provided with a receiving slot 851 and a second opening 852, which are communicated with each other, the receiving slot 851 is used to receive the fifth molding slide 80, the second opening 852 is located in the receiving slot 851, facing the slot wall of the first molding assembly 103, and is communicated with the molding cavity 105 when the mold is closed, and the second opening 852 is used to avoid the fourth molding slide 70 and the fifth molding slide 80, so as to avoid interference between the fourth molding slide 70 and the fifth molding slide 80 and the sixth molding slide 85, which is beneficial to improving molding stability. In addition, the sixth molding slide 85 is used to participate in the molding of the product 200 during mold closing and to move away from the first molding assembly 103 due to the friction between the second driving rod 97 and the sixth molding slide 85 during mold opening, and simultaneously drives the fifth molding slide 80 and the fourth molding slide 70 to retract away from the molded product 200, so that a gap is formed between the second molding assembly 104 and the disengaged product 200, and interference between the subsequent product 200 and the second molding assembly 104 is avoided when the subsequent product 200 is ejected out of the lower mold mechanism 102 by other mechanisms, which is beneficial to improving molding stability.

In the present embodiment, the second pushing rod 98 pushes the sixth molding slide 85 against the side facing away from the first molding assembly 103 during mold closing, so that the sixth molding slide 85 moves steadily toward the first molding assembly 103, so that the sixth molding slide 85 stably encloses the molding cavity 105, and molten plastic is prevented from overflowing from the connection between the sixth molding slide 85 and other structures, thereby improving molding stability.

In some embodiments, the second molding assembly 104 further includes a third resilient member 86 and a fourth resilient member 87. The side of the fifth molding slide 80 adjacent to the first molding assembly 103 is provided with a mounting groove 83, a third elastic member 86 is disposed in the mounting groove 83, two ends of the third elastic member 86 respectively elastically support against the bottom of the mounting groove 83 and the groove wall of the accommodating groove 851, and the third elastic member 86 is used for providing elastic force to drive the fifth molding slide 80 to rapidly release the mold during mold opening, so that the demolding efficiency and the molding efficiency are improved. The sixth molding slide 85 is provided with a mounting groove 853 on a side facing the first molding assembly 103, the fourth elastic member 87 is disposed in the mounting groove 853, two ends of the fourth elastic member 87 are respectively elastically supported against the bottom of the mounting groove 853 and the lower mold mechanism 102, and the fourth elastic member 87 is used for providing elastic force and driving the sixth molding slide 85 to retract from the product 200, so that the demolding efficiency is further improved.

The working process of the forming mold 100 is as follows:

First, when the upper die mechanism 101 and the lower die mechanism 102 are clamped, the first driving rod 94 and the second driving rod 97 are respectively inserted into the accommodating groove 31 and the accommodating groove 851, so that the first driving rod 94 and the second driving rod 97 respectively push the third molding slide block 30 and the sixth molding slide block 85 to relatively move and enclose to form a molding cavity;

Then, the upper die mechanism 101 and the lower die mechanism 102 continue to be clamped, the first deflector rod 93 and the second deflector rod 96 respectively push against the second molding slide 20 and the fifth molding slide 80 to move relatively, and at the same time, the first molding slide 10 pushes against the second molding slide 20 to cooperate with the third molding slide 30 to surround the molding cavity 105 and participate in the barb structure on one side of the molded product 200, and the two fourth molding slides 70 push against the fifth molding slide 80 to move relatively and participate in the barb structure on the other side of the molded product 200;

Then, the upper die mechanism 101 and the lower die mechanism 102 are opened, the second forming slide 20 moves away from the second forming assembly 104 under the action of the first deflector 93 and the second limiting member 60 to withdraw the product 200, meanwhile, the first forming slide 10 moves away from the upper die mechanism 101 under the action of the second forming slide 20 and the first limiting member 50 to withdraw the barb structure on one side of the product 200, the fifth forming slide 80 moves away from the first forming assembly 103 under the action of the second deflector 96 to withdraw the product 200, meanwhile, the two fourth forming slides 70 relatively move under the action of the fifth forming slide 80 and the third limiting member 84 to withdraw the two barb structures on the other side of the product 200, so that interference between the first forming slide 10 and the two fourth forming slides 70 and the corresponding barb structures is avoided, and the demolding difficulty of the forming die 100 is reduced, the forming die 100 is facilitated to stably finish demolding the product 200 with barbs, and the forming stability is improved;

Finally, the upper mold mechanism 101 and the lower mold mechanism 102 are opened, and the first driving rod 94 and the second driving rod 97 respectively act on the third molding slide 30 and the sixth molding slide 85, so that a gap is formed between the first molding assembly 103 and the second molding assembly 104 and the product 200, and a thimble assembly (not shown) in the molding mold 100 is convenient for ejecting the product 200 from the lower mold mechanism 102.

Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present application without departing from the spirit and scope of the technical solution of the present application.

Claims (10)

1. The utility model provides a forming die, includes relative upper mould mechanism and lower mould mechanism of upper and lower and open and shut adaptation, its characterized in that, forming die still includes:

the first molding assembly is arranged on one side of the lower die mechanism facing the upper die mechanism;

The second molding assembly is arranged on one side, facing the upper die mechanism, of the lower die mechanism and is opposite to the first molding assembly;

When the upper die mechanism and the lower die mechanism are used for die assembly, the first molding assembly and the second molding assembly are cooperated to form a molding cavity for injection molding products, wherein the first molding assembly comprises a first molding slide block, the upper die mechanism is inserted into the first molding assembly to enable the first molding slide block to participate in circumscribing to form the molding cavity, and when the upper die mechanism and the lower die mechanism are used for die opening, the first molding slide block moves towards the lower die mechanism to withdraw the molded products.

2. The molding die of claim 1, wherein,

The first molding sliding block comprises a first molding end which is used for forming the molding cavity in a surrounding mode, and a first groove used for forming the molding cavity is formed in one side, facing the upper die mechanism, of the first molding end.

3. The molding die of claim 1, wherein the first molding assembly further comprises:

The second molding slide block is configured to form the molding cavity in a surrounding mode, a pushing inclined surface is arranged on one side of the molding slide block, facing the upper die mechanism, a pushing matching surface is arranged on one side of the first molding slide block, facing the lower die mechanism, and the second molding slide block slides and pushes the pushing matching surface through the pushing inclined surface so as to drive the first molding slide block to move towards the lower die mechanism when the molding is opened.

4. The molding die of claim 3, wherein the first molding assembly further comprises:

The third molding slide block is arranged in the lower die mechanism and is provided with a containing groove and a first opening which are communicated, the containing groove is used for containing the first molding slide block and the second molding slide block, the first opening is positioned in the position, facing the groove wall of the second molding assembly, of the containing groove and is communicated with the molding cavity when the mold is closed, the first opening is used for avoiding the first molding slide block and the second molding slide block, and the third molding slide block is used for participating in surrounding formation of the molding cavity when the mold is closed and driving the second molding slide block to retract from the molded product when the mold is opened.

5. The molding die of claim 4, wherein the first molding assembly further comprises:

The first elastic piece, the second shaping slider is provided with the holding tank just the notch orientation of holding tank the second shaping subassembly, first elastic piece set up in the holding tank just the both ends of first elastic piece elasticity respectively support hold in the tank bottom of holding tank with the cell wall of holding tank, first elastic piece is used for the drive the second shaping slider is when the die sinking is moved away from the product after the shaping.

6. The molding die of claim 4, wherein the first molding assembly further comprises:

The first limiting piece and the second limiting piece, first spacing hole and second limiting hole have been seted up to the third shaping slider, first spacing hole extends along the die sinking direction, the second limiting hole extends along the direction of perpendicular to die sinking direction, first limiting piece activity wear to locate first shaping slider and penetrate first spacing hole is used for spacingly first shaping slider, second limiting piece activity wear to locate second shaping slider and penetrate the second limiting hole is used for spacing second shaping slider.

7. The molding die of claim 1, wherein,

The second molding assembly comprises two fourth molding sliding blocks which are oppositely arranged, when the upper mold mechanism and the lower mold mechanism are clamped, the two fourth molding sliding blocks participate in surrounding to form the molding cavity so as to mold the second barb of the product, and when the upper mold mechanism and the lower mold mechanism are opened, the two fourth molding sliding blocks move relatively so as to retract from the second barb of the molded product.

8. The molding die of claim 7, wherein,

Each fourth molding slide block comprises a second molding end which is involved in surrounding to form the molding cavity, and a second groove used for forming the molding cavity is formed in one side, away from the other fourth molding slide block, of the second molding end.

9. The molding die of claim 7, wherein the second molding assembly further comprises:

The fifth forming slide block is provided with two guide grooves and a third limiting hole, the two guide grooves are arranged at intervals along the direction perpendicular to the die opening direction, the distance between the two guide grooves is gradually reduced along the direction that the second forming assembly points to the first forming assembly, the corresponding fourth forming slide blocks are respectively accommodated, the third limiting hole penetrates through the fifth forming slide block along the direction perpendicular to the die opening direction and is respectively communicated with the two guide grooves, and the fifth forming slide block is used for participating in surrounding formation of the forming cavity during die assembly and driving the two fourth forming slide blocks to relatively move during die opening;

the third limiting piece is movably arranged on the two fourth forming sliding blocks, the fifth forming sliding blocks and the third limiting holes in a penetrating mode, and the third limiting piece is used for limiting the movement direction of the fourth forming sliding blocks.

10. The molding die of claim 9, wherein the second molding assembly further comprises:

The sixth forming slide block is arranged in the lower die mechanism and is provided with a containing groove and a second opening which are communicated, the containing groove is used for containing the fifth forming slide block, the second opening is positioned in the containing groove, which faces the groove wall of the first forming assembly, and is communicated with the forming cavity when the dies are closed, the second opening is used for avoiding the fourth forming slide block and the fifth forming slide block, and the sixth forming slide block is used for participating in surrounding formation of the forming cavity when the dies are closed and driving the fifth forming slide block to retract from the formed product when the dies are opened.