CN220808310U

CN220808310U - Hub die

Info

Publication number: CN220808310U
Application number: CN202322277821.7U
Authority: CN
Inventors: 郭二迎
Original assignee: Hefei Pinecone Zhizao Intelligent Technology Co ltd
Current assignee: Hefei Pinecone Zhizao Intelligent Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-19
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the technical field of injection molds, in particular to a hub mold, which comprises a female mold and a male mold, wherein a placing groove is formed in one surface of the female mold facing the male mold, a first mold strip and a second mold strip are sequentially stacked in the placing groove, two first limit grooves are formed in one surface of the first mold strip, which is close to the male mold, at intervals, two second limit grooves are formed in one surface of the second mold strip, which is close to the first mold strip, at intervals, and two first limit holes are formed in the first limit grooves and the second limit grooves; two third limit grooves are formed in one surface, far away from the first die strip, of the second die strip at intervals, a second placing groove is formed in one surface, facing the female die, of the male die, the third die strip is installed in the second placing groove, two fourth limit grooves are formed in one surface, close to the female die, of the third die strip at intervals, and two second limit holes are formed in the third limit grooves and the fourth limit grooves at intervals; two of the four auxiliary lines are respectively penetrated in the two first limiting holes, and the other two auxiliary lines are respectively penetrated in the two second limiting holes.

Description

Hub die

[ Field of technology ]

The utility model relates to the technical field of injection molds, in particular to a hub mold.

[ Background Art ]

At present, in order to improve the working efficiency and reduce the material consumption, a hub is widely used in an application scene that one main device is simultaneously connected with a plurality of peripheral devices in a communication way; such as connecting a host device with each peripheral device through USB, USB is applied to plug and play and bus power supplies that supply power through a USB cable; the main line and the plurality of auxiliary lines of the concentrator are usually connected by welding, and the welding spots at the connecting positions are usually low in waterproof grade, so that the problem of low demolding difficulty is caused by easy aging under a high humidity environment, a mode of arranging a protection structure at the connecting positions is adopted for waterproofing, and in order to mass-produce the protection structure, the common method is to use a die to mould the welding spots at the connecting positions of the main line and the auxiliary lines to form the protection structure, but in actual production, the auxiliary lines are easily intertwined due to too close intervals in pouring injection liquid, so that the auxiliary lines are difficult to demold.

[ utility model ]

The utility model provides a hub die for solving the problem that a welding spot protection mechanism at the joint of a main line and a secondary line of a hub is difficult to demould in the prior art.

The utility model provides a hub die for processing a hub, which comprises a main line and four auxiliary lines, and is characterized in that: the hub die comprises a female die and a male die, a first placing groove is formed in one surface of the female die, facing the male die, a first die strip and a second die strip are sequentially stacked in the first placing groove, two first limiting grooves are formed in one surface of the first die strip, which is close to the male die, at intervals, two second limiting grooves are formed in one surface of the second die strip, which is close to the first die strip, at intervals, and two first limiting holes are formed in the first limiting grooves and the second limiting grooves at intervals; two third limit grooves are formed in one surface, far away from the first die strip, of the second die strip at intervals, a second placing groove is formed in one surface, facing towards the female die, of the male die, the third die strip is installed in the second placing groove, two fourth limit grooves are formed in one surface, close to the female die, of the third die strip at intervals, two second limit holes are formed in the third limit grooves and the fourth limit grooves at intervals, and the first limit holes correspond to the second limit holes; two of the four auxiliary lines are respectively penetrated through the two first limiting holes, and the other two auxiliary lines are respectively penetrated through the two second limiting holes.

Preferably, the length of the second molding is greater than the length of the first molding or the length of the first molding is greater than the length of the second molding.

Preferably, two first main line grooves are formed in one surface of the female die, facing the male die, and two second main line grooves are formed in one surface of the male die, facing the female die; the first main line groove and the second main line groove define a main line hole.

Preferably, two first grooves are formed in one face, facing the male die, of the female die, two second grooves are formed in one face, facing the female die, of the male die, two shaping cavities are defined by the first grooves and the second grooves, and the two shaping cavities are used for respectively coating connection portions of four auxiliary lines and one main line of the two hubs.

Preferably, a first injection molding groove is formed between the two first grooves, and a second injection molding groove is formed between the two second grooves; the first injection molding groove and the second injection molding groove define an injection molding cavity.

Preferably, one side of the two first grooves, which is opposite to the first injection molding grooves, is respectively provided with a first auxiliary injection molding groove; one side of the two second grooves, which is opposite to the second injection molding grooves, is respectively provided with a second auxiliary injection molding groove, and the first auxiliary injection molding groove and the second auxiliary injection molding groove define two auxiliary injection molding cavities.

Preferably, a first communicating groove communicated with the first groove is respectively formed in one side, close to the first groove, of the first injection molding groove and the two first auxiliary injection molding grooves; the second injection molding groove and two second auxiliary injection molding grooves are respectively provided with a second communication groove communicated with the second groove on one side, close to the second groove, of the second auxiliary injection molding groove.

Preferably, an air vent groove is further formed in the second placing groove, and the two second auxiliary injection molding grooves are connected through the air vent groove.

Preferably, an injection hole is formed in one surface, far away from the male die, of the female die, and the injection hole penetrates through the female die and is communicated with the first injection groove.

Preferably, two ends of the first die strip and the second die strip are respectively provided with a handle.

Compared with the prior art, the hub die has the following advantages:

1. The hub die is used for processing a hub and comprises a main line and four auxiliary lines, the hub die comprises a female die and a male die, a first placing groove is formed in one surface of the female die facing the male die, a first die strip and a second die strip are sequentially stacked in the first placing groove, two first limiting grooves are formed in one surface of the first die strip, which is close to the male die, at intervals, two second limiting grooves are formed in one surface of the second die strip, which is close to the first die strip, at intervals, and the first limiting grooves and the second limiting grooves define two first limiting holes at intervals; two third limit grooves are formed in one surface, far away from the first die strip, of the second die strip at intervals, a second placing groove is formed in one surface, facing the female die, of the male die, the third die strip is installed in the second placing groove, two fourth limit grooves are formed in one surface, close to the female die, of the third die strip at intervals, two second limit holes are formed in the third limit grooves and the fourth limit grooves at intervals, the second limit holes are formed in two intervals, and the first limit holes correspond to the second limit holes; two of the four auxiliary lines are respectively penetrated through the two first limiting holes, and the other two auxiliary lines are respectively penetrated through the two second limiting holes; the three mould strips are arranged, so that demoulding can be carried out more easily after injection molding, meanwhile, the spacing grooves are provided with intervals, the mould strips are blocked, and the problem of intertwining between auxiliary lines can be avoided.

2. The length of the second mould strip of the hub mould is larger than that of the first mould strip or the length of the first mould strip is larger than that of the second mould strip; the demolding work after the injection molding is finished is more convenient.

3. The female die of the hub die is provided with two first main wire grooves towards one surface of the male die, and the male die is provided with two second main wire grooves towards one surface of the female die; the first main line groove and the second main line groove define a main line hole; two main line holes are formed, so that the main line can be fixed in the injection molding process, demolding is convenient, and meanwhile, two hubs are produced by one mold at the same time, so that the working efficiency is improved.

4. The female die of the hub die is provided with two first grooves on one surface facing the male die, two second grooves on one surface facing the female die, and the first grooves and the second grooves define two shaping cavities which respectively cover the connecting parts of four secondary lines of the two hubs and one main line; the shaping cavity is used for injection molding of waterproof materials and protecting welding spots at the joint.

5. A first injection molding groove is formed between two first grooves of the hub die, and a second injection molding groove is formed between two second grooves; the first injection molding groove and the second injection molding groove define an injection molding cavity; one side of the two first grooves, which is opposite to the first injection molding grooves, is respectively provided with a first auxiliary injection molding groove; one side of the two second grooves, which is opposite to the second injection molding grooves, is respectively provided with a second auxiliary injection molding groove, and the first auxiliary injection molding groove and the second auxiliary injection molding groove define two auxiliary injection molding cavities; one side of the first injection molding groove and one side of the two first auxiliary injection molding grooves, which are close to the first groove, are respectively provided with a first communication groove communicated with the first groove; one side of the second injection molding groove and one side of the two second auxiliary injection molding grooves, which are close to the second groove, are respectively provided with a second communication groove communicated with the second groove; the first communicating groove and the second communicating groove are arranged, so that injection molding liquid can slowly and stably enter the injection molding cavity, bubbles are prevented from being generated during injection molding, and the quality of the injection molded product is more stable.

6. The second placing groove of the hub die is also internally provided with an air vent groove, and the two second auxiliary injection molding grooves are connected through the air vent groove; an injection molding hole is formed in one surface of the female die, which is far away from the male die, and penetrates through the female die and is communicated with the first injection molding groove; the vent grooves are arranged to balance the air pressure in the mold, so that the injection molding liquid can smoothly enter the mold.

7. The two ends of a first die strip and a second die strip of the hub die are respectively provided with a handle; the handle is arranged to be easy to demould, and meanwhile, scalding of operators caused by insufficient cooling time is prevented.

[ Description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded view of a hub die provided by an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a hub to which embodiments of the present utility model are applicable.

Fig. 3 is a cross-sectional view of a hub die provided by an embodiment of the utility model.

Fig. 4 is a front exploded view of a hub die provided by an embodiment of the utility model.

Fig. 5 is a second cross-sectional view of the hub die provided by the embodiment of the utility model.

Fig. 6 is a schematic diagram of a hub mold matching with a hub according to an embodiment of the present utility model.

Fig. 7 is a partial enlarged view of a portion a in fig. 1.

Fig. 8 is a partial enlarged view of a portion B in fig. 6.

Fig. 9 is a schematic structural diagram of a male mold of a hub mold according to an embodiment of the present utility model.

The attached drawings are used for identifying and describing:

1. A hub die; 2. a hub;

10. A master mold; 11. a male mold; 12. a first molding; 13. a second molding; 14. a third molding; 20. a main line; 21. a secondary line;

100. A first placement groove; 101. a first main wire slot; 102. a first groove; 103. a first injection molding groove; 104. a first auxiliary injection molding groove; 105. a first communication groove; 106. injection molding holes; 110. a second placement groove; 111. a second main wire slot; 112. a second groove; 113. a second injection molding groove; 114. a second auxiliary injection molding groove; 115. a second communication groove; 116. a vent groove; 120. first, the

A limit groove; 121. a handle; 130. the second limit groove; 131. a third limit groove; 140. a fourth limit groove; 150. a first limiting hole; 151. a second limiting hole; 152. a main line hole; 153. a cavity is fixed; 154. an injection cavity; 155. and an auxiliary injection molding cavity.

[ Detailed description ] of the invention

The present utility model will be described in further detail with reference to the accompanying drawings and examples of implementation in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" 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," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, 2 and 3, a hub die 1 according to an embodiment of the present utility model is used for processing a hub 2, and the hub includes a main line 20 and four sub-lines 21; the hub die 1 comprises a female die 10 and a male die 11, wherein a first placing groove 100 is formed in one surface of the female die 10 facing the male die 11, a first die strip 12 and a second die strip 13 are sequentially stacked in the first placing groove 100, two first limiting grooves 120 are formed in one surface of the first die strip 12, which is close to the male die 11, at intervals, two second limiting grooves 130 are formed in one surface of the second die strip 13, which is close to the first die strip 12, at intervals, and the first limiting grooves 120 and the second limiting grooves 130 define two first limiting holes 150 at intervals; two third limiting grooves 131 are formed in the surface, away from the first die strip 12, of the second die strip 13 at intervals, a second placing groove 110 is formed in the surface, facing the female die 10, of the male die 11, a third die strip 14 is installed in the second placing groove 110, two fourth limiting grooves 140 are formed in the surface, close to the female die 10, of the third die strip 14 at intervals, two second limiting holes 151 are formed in the surface, close to the female die 10, of the third limiting grooves 131 and the fourth limiting grooves 140, at intervals, of the second limiting holes 151 are defined by the third limiting grooves 131 and the fourth limiting grooves 140, and the first limiting holes 150 correspond to the second limiting holes 151.

Further, referring to fig. 2, 3 and 6, two of the four secondary lines 21 of the hub 2 are respectively threaded through the two first limiting holes 150, and the other two are respectively threaded through the two second limiting holes 151; the three mould strips are arranged, so that demoulding can be carried out more easily after injection molding, meanwhile, the spacing grooves are provided with intervals, the mould strips are blocked, and the problem of intertwining between the auxiliary lines 21 can not occur.

Further, referring to fig. 4, the length of the second molding 13 is greater than the length of the first molding 12 or the length of the first molding 12 is greater than the length of the second molding 13; the setting is more convenient for the demoulding work after the injection molding.

Further, referring to fig. 4 and 5, two first main line grooves 101 are further formed on a surface of the female mold 10 facing the male mold 11, and two second main line grooves 111 are further formed on a surface of the male mold 11 facing the female mold 10; the first main wire slot 101 and the second main wire slot 111 define a main wire hole 152; two main line holes 152 are formed, so that the main line 20 can be fixed in the injection molding process, the demolding is convenient, and meanwhile, one hub die 1 can simultaneously produce two hubs, so that the working efficiency is improved.

Further, referring to fig. 1, 5 and 6, two first grooves 102 are disposed on a surface of the female mold 10 facing the male mold 11, two second grooves 112 are disposed on a surface of the male mold 11 facing the female mold 10, the first grooves 102 and the second grooves 112 define two shaping cavities 153, and the two shaping cavities 153 respectively cover connection portions of the four secondary lines 21 and one main line 20 of the two hubs 2; the fixed cavity 153 is used for injection molding waterproof materials and protecting welding spots at the joint.

Optionally, the waterproof grade of the injection waterproof material is at least IPX7, so as to obtain better waterproof effect, so that the hub 2 can adapt to most working scenes.

Further, referring to fig. 3, 7 and 8, a first injection molding groove 103 is formed between the two first grooves 102, and a second injection molding groove 113 is formed between the two second grooves 112; the first injection molding groove 103 and the second injection molding groove 113 define an injection molding cavity 154; one side of the two first grooves 102, which is opposite to the first injection molding grooves 103, is respectively provided with a first auxiliary injection molding groove 104; one side of the two second grooves 112, which is opposite to the second injection molding grooves 113, is respectively provided with a second auxiliary injection molding groove 114, and the first auxiliary injection molding groove 104 and the second auxiliary injection molding groove 114 define two auxiliary injection molding cavities 155; a first communicating groove 105 communicated with the first groove 102 is respectively formed in one side, close to the first groove 102, of the first injection molding groove 103 and the two first auxiliary injection molding grooves 104; a second communicating groove 115 communicated with the second groove 112 is respectively formed on one side of the second injection molding groove 113 and one side of the two second auxiliary injection molding grooves 114 close to the second groove 112; the first communicating groove 105 and the second communicating groove 115 are arranged, so that injection molding liquid can slowly and stably enter the injection molding cavity 154, bubbles are avoided during injection molding, and the quality of the injection molded product is more stable.

Further, referring to fig. 9, the second placement groove 110 is further provided with a ventilation groove 116, and the two second auxiliary injection molding grooves 114 are connected through the ventilation groove 116; the vent grooves 116 are provided to balance the air pressure in the mold so that the injection molding liquid can smoothly enter the mold.

Further, referring to fig. 5-7, an injection hole 106 is formed on a surface of the female mold 10 away from the male mold 11, and penetrates the female mold 10 to communicate with the first injection groove 103.

Further, referring to fig. 4, two ends of the first molding strip 12 and the second molding strip 13 are respectively provided with a handle 121; the handle is arranged to be easy to demould, and meanwhile, scalding of operators caused by insufficient cooling time is prevented.

It will be appreciated that the handle 121 should be made of a material that has poor thermal conductivity.

It should be noted that the injection molding steps in the embodiment of the utility model are as follows:

First, the first mould strip 12 is placed in the first placing groove 100, the third mould strip 14 is placed in the second placing groove 110, then the concentrator 2 is placed, and simultaneously, two auxiliary wires 21 positioned at the lower layer are put into the first limiting grooves 120 corresponding to the first mould strip 12; then placing the second mould strip 13, and simultaneously clamping the second limiting groove 130 into the upper ends of two auxiliary wires 21 and the lower ends of the other two auxiliary wires 21 positioned at the lower layer; finally, the male mold 11 and the female mold 10 are clamped, and the main line 20 is ensured to be positioned in the main line hole 152 in the process of clamping.

Compared with the prior art, the hub die has the following advantages:

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims

1. A hub die for processing a hub, the hub comprising a main wire and four sub-wires, characterized in that: the hub die comprises a female die and a male die, a first placing groove is formed in one surface of the female die, facing the male die, a first die strip and a second die strip are sequentially stacked in the first placing groove, two first limiting grooves are formed in one surface of the first die strip, which is close to the male die, at intervals, two second limiting grooves are formed in one surface of the second die strip, which is close to the first die strip, at intervals, and two first limiting holes are formed in the first limiting grooves and the second limiting grooves at intervals; two third limit grooves are formed in one surface, far away from the first die strip, of the second die strip at intervals, a second placing groove is formed in one surface, facing towards the female die, of the male die, the third die strip is installed in the second placing groove, two fourth limit grooves are formed in one surface, close to the female die, of the third die strip at intervals, two second limit holes are formed in the third limit grooves and the fourth limit grooves at intervals, and the first limit holes correspond to the second limit holes; two of the four auxiliary lines are respectively penetrated through the two first limiting holes, and the other two auxiliary lines are respectively penetrated through the two second limiting holes.

2. The hub die of claim 1, wherein: the length of the second molding strip is greater than the length of the first molding strip or the length of the first molding strip is greater than the length of the second molding strip.

3. The hub die of claim 1, wherein: two first main wire grooves are formed in one surface of the female die, facing the male die, and two second main wire grooves are formed in one surface of the male die, facing the female die; the first main line groove and the second main line groove define a main line hole.

4. The hub die of claim 1, wherein: two first grooves are formed in one face, facing the male die, of the female die, two second grooves are formed in one face, facing the female die, of the male die, two shaping cavities are defined by the first grooves and the second grooves, and the two shaping cavities are used for respectively coating the connecting portions of the four auxiliary lines and one main line of the hub.

5. The hub die according to claim 4, wherein: a first injection molding groove is formed between the two first grooves, and a second injection molding groove is formed between the two second grooves; the first injection molding groove and the second injection molding groove define an injection molding cavity.

6. The hub die as in claim 5, wherein: one side of the two first grooves, which is opposite to the first injection molding grooves, is respectively provided with a first auxiliary injection molding groove; one side of the two second grooves, which is opposite to the second injection molding grooves, is respectively provided with a second auxiliary injection molding groove, and the first auxiliary injection molding groove and the second auxiliary injection molding groove define two auxiliary injection molding cavities.

7. The hub die as in claim 6, wherein: one side, close to the first groove, of the first injection molding groove and the two first auxiliary injection molding grooves is respectively provided with a first communication groove communicated with the first groove; the second injection molding groove and two second auxiliary injection molding grooves are respectively provided with a second communication groove communicated with the second groove on one side, close to the second groove, of the second auxiliary injection molding groove.

8. The hub die as in claim 6, wherein: the second placing groove is further provided with an air vent groove, and the two second auxiliary injection molding grooves are connected through the air vent groove.

9. The hub die as in claim 5, wherein: an injection molding hole is formed in one surface, away from the male mold, of the female mold, and penetrates through the female mold and is communicated with the first injection molding groove.

10. The hub die of claim 1, wherein: two ends of the first die strip and the second die strip are respectively provided with a handle.