CN217777664U

CN217777664U - HDMI interface forming die

Info

Publication number: CN217777664U
Application number: CN202221768925.7U
Authority: CN
Inventors: 张路
Original assignee: Sichuan Ruitiantai Electronic Technology Co ltd
Current assignee: Sichuan Ruitiantai Electronic Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-11
Anticipated expiration: 2032-07-08

Abstract

The utility model provides a HDMI interface forming die, which comprises a die strip, an upper die and a lower die matched with the upper die; the split surfaces of the upper die and the lower die are respectively provided with a plurality of die cavities, each die cavity is connected with a material injection groove, the joint of the material injection groove and the die cavity is provided with a glue injection hole, and the glue injection holes are respectively communicated with the material injection groove and the die cavity; the upper die and the lower die are both provided with a feeding port, and the feeding ports are communicated with the initial section of the feeding groove; an upper die strip groove is formed in the upper die, a pouring gate is arranged on the upper die strip groove and communicated with a material injection groove of the upper die, a lower die strip groove is formed in the lower die, and die strips are arranged in the upper die strip groove and the lower die strip groove; a plurality of grooves are formed in one side, close to the die cavity, of each die strip, positioning protrusions are arranged inside each groove, runners matched with the runners are further arranged on the die strips, and the runners are communicated with the material injection grooves. The utility model provides an among the prior art HDMI production efficiency low and the uneven problem of product quality.

Description

HDMI interface forming die

Technical Field

The utility model relates to a HDMI processing technology field, concretely relates to HDMI interface forming die.

Background

High Definition Multimedia Interface (HDMI) is a fully digital video and audio transmission interface that can transmit uncompressed audio and video signals. The HDMI can be used for set-top boxes, DVD players, personal computers, televisions, game hosts, comprehensive amplifiers, digital stereos, televisions and other equipment. HDMI can send audio frequency and video signal simultaneously, because audio frequency and video signal adopt same wire rod, simplifies the installation degree of difficulty of system's circuit greatly. The interface of HDMI is divided into four types, namely HDMI A Type, HDMI B Type, HDMI CType and HDMI D Type.

An injection mold is a tool for producing plastic products, and is also a tool for giving the plastic products complete structures and precise dimensions. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

In the prior art, the HDMI production mold is simple, so that the problems of uneven quality and high reject ratio of a product obtained after molding are easily caused; meanwhile, in the production process of the HDMI by using the production mold, the mold is easy to slide, so that the HDMI requires continuous inspection by workers, and the production efficiency of products is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a HDMI interface forming die for solve among the prior art HDMI production efficiency low and the uneven technical problem of product quality.

In order to achieve the above object, an embodiment of the present invention provides an HDMI interface forming mold, which includes a mold strip, an upper mold, and a lower mold matched with the upper mold;

the split surfaces of the upper die and the lower die are respectively provided with a plurality of die cavities, each die cavity is connected with a material injection groove, the joint of the material injection groove and the die cavity is provided with a glue injection hole, and the glue injection holes are respectively communicated with the material injection groove and the die cavity; the upper die and the lower die are both provided with injection ports, and the injection ports are communicated with the initial section of the injection groove;

an upper die strip groove is formed in the upper die, a pouring gate is arranged on the upper die strip groove and communicated with a material injection groove of the upper die, a lower die strip groove is formed in the lower die, and die strips are arranged in the upper die strip groove and the lower die strip groove;

a plurality of grooves are formed in one side, close to the die cavity, of each die strip, positioning protrusions are arranged inside each groove, runners matched with the runners are further arranged on the die strips, and the runners are communicated with the material injection grooves.

The utility model discloses a perfect to the mould structure, carried out further design to the scheme, it is the same with the quantity of die cavity, and the position one-to-one preferably in the quantity of recess.

Preferably, the size of the positioning protrusion is consistent with that of the HDMI interface groove.

Preferably, the upper die is provided with a plurality of positioning pieces.

Preferably, the lower die is provided with a plurality of positioning holes, and the positioning piece is embedded into the positioning holes.

Preferably, a plurality of wire grooves are formed in the parting surfaces of the upper die and the lower die, and each wire groove is connected with the die cavity.

Preferably, the upper die and the lower die are both provided with a placing cavity.

Preferably, a plurality of water cooling holes are formed in the upper die and the lower die, and each water cooling hole is located on the front surface and the rear surface of the upper die and the lower die.

To sum up, the beneficial effects of the utility model are that:

1. the utility model discloses an all seted up die cavity, mould strip groove and notes silo on last mould and the bed die to it communicates with each other with the sprue to annotate the silo, has seted up runner and recess on the mould strip, and the recess is inside to be provided with the location arch. When the HDMI is formed, the die strip is placed between the upper die strip groove and the lower die strip groove, the rubber material flows into the initial section of the material injection groove through the material injection port, then enters the runner on the die strip and the runner on the upper die, then enters the material injection groove on the die through the runner, and finally reaches the die cavity and the groove on the die strip to complete the formation of the HDMI.

2. The utility model discloses an every die cavity is connected with the injecting groove, and the junction of injecting groove and die cavity is provided with the injecting glue hole, and the injecting glue hole communicates with each other with injecting groove and die cavity respectively. The glue injection holes are arranged to reduce and fold the feeding points of the products, so that the feeding point traces on the appearance of the products are small, and the quality of the formed products is guaranteed.

3. The utility model discloses an upper die is last to be provided with a plurality of setting elements, has seted up a plurality of locating holes on the bed die to in the setting element embedding locating hole. Be equipped with locating hole and setting element and be convenient for the connection cooperation between last mould and the bed die for the contact between last mould and the bed die is more compact not hard up, thereby has increased the fashioned stability of product, has reduced the defective rate of product.

Drawings

Fig. 1 is a top view of a lower mold according to an embodiment of the present invention;

fig. 2 is a top view of an upper mold in an embodiment of the present invention;

FIG. 3 is a top view of a die strip in an embodiment of the present invention;

FIG. 4 is a front view of a die strip in an embodiment of the present invention;

fig. 5 is a side view of the upper and lower molds and the mold strip in a closed state according to an embodiment of the present invention.

The mold comprises an upper mold 1, a lower mold 2, a mold strip 3, a mold cavity 4, a mold injection groove 5, a glue injection hole 6, a mold injection port 7, an upper mold strip groove 8, a mold injection groove initial section 9, a pouring gate 10, a lower mold strip groove 11, a groove 12, a positioning protrusion 13, a runner 14, a positioning piece 15, a positioning hole 16, a wire rod groove 17 and a placing cavity 18.

Detailed Description

The utility model provides a HDMI interface forming die is applicable to the shaping of HDMI C type product, and it includes mould strip 3, goes up mould 1 and with last mould 1 matched with bed die 2. The die strip 3 is fixed in a die strip groove of the upper die 1 and the lower die 2 described below.

All set up a plurality of die cavities 4 that are used for shaping the HDMI interface simultaneously on the parting face of going up mould 1 and bed die 2, every die cavity 4 is connected with annotates silo 5 to annotate the silo 5 and be located the both sides of die cavity 4. And a glue injection hole 6 is formed at the joint of the material injection groove 5 and the die cavity 4, and the glue injection hole 6 is respectively communicated with the material injection groove 5 and the die cavity 4. The size of the glue injection hole 6 is smaller and smaller from the material injection groove 5 to the die cavity 4, and the purpose of the arrangement is to slow down the speed of the glue stock entering the die cavity 4, so that the phenomenon that the molded product is unqualified due to the fact that the flow speed of the glue stock entering the die cavity 4 is too large is avoided.

The upper die 1 and the lower die 2 are both provided with a material injection port 7, and the material injection port 7 is communicated with a material injection groove initial section 9 of the material injection groove 5. The molding rubber material enters the die through the injection port 7 and then enters the following runner 14 and the pouring gate 10 through the initial section 9 of the injection groove, and then the molding of the product is completed.

An upper mould strip groove 8 is formed in the upper mould 1, and the upper mould strip groove 8 is matched with a lower mould strip groove 11, so that the fixed placement of the mould strips 3 is completed. And a pouring gate 10 is arranged on the upper mould strip groove 8, and the pouring gate 10 is communicated with the material injection groove 5 of the upper mould 1. The lower die 2 is provided with a lower die strip groove 11, and the die strips 3 are arranged in the upper die strip groove 8 and the lower die strip groove 11.

A plurality of grooves 12 are formed in one side, close to the die cavity 4, of the die strip 3, the number of the grooves 12 is the same as that of the die cavity 4, and the positions of the grooves correspond to those of the die cavity 4 one by one. Each groove 12 is internally provided with a positioning bulge 13, and the size of each positioning bulge 13 is consistent with that of the HDMI interface groove. When the product is formed, the glue in the die cavity 4 enters the space between the groove 12 and the positioning bulge 13.

The mould strip 3 is also provided with a runner 14 matched with the pouring gate 10, and the runner 14 is communicated with the material injection groove 5. When a product is molded, a rubber material enters the mold through the injection port 7, further enters the initial section 9 of the injection groove communicated with the injection port 7, enters the pouring gate 10 and the flow passage 14 under the pressure of injection molding, then enters the injection groove 5 communicated with the pouring gate 10 and the flow passage 14, and finally reaches the mold cavity 4, and the molding of the HDMI interface is completed. The sizing material is the same from the distance that sprue 7 reachd die cavity 4, and consequently the fashioned time of product is the same in every die cavity 4, consequently the utility model discloses a shaping of a plurality of products can be accomplished at the same time to the mould, and the shaping is efficient, simultaneously because the sizing material reachs every die cavity 4 apart from the same, therefore the uneven problem of product quality can not appear.

The upper die 1 is provided with a plurality of positioning pieces 15, the lower die 2 is provided with a plurality of positioning holes 16, and the positioning pieces 15 are embedded into the positioning holes 16. Be equipped with locating hole 16 and setting element 15 and be convenient for the connection cooperation between last mould 1 and the bed die 2 for the contact between last mould 1 and the bed die 2 is more compact not hard up, thereby has increased the fashioned stability of product, has reduced the defective rate of product, still can realize the accurate location of mould simultaneously.

A plurality of water cooling holes are formed in the upper die 1 and the lower die 2, and each water cooling hole is located on the front surface and the rear surface of the upper die 1 and the lower die 2. All seted up a plurality of lines of material groove 17 on the parting face of upper die 1 and bed die 2, every wire rod groove 17 is connected with die cavity 4, and wire rod groove 17 is used for being connected fixedly between wire rod and the HDMI centre form in the product forming process. The upper die 1 and the lower die 2 are both provided with a placing cavity 18, and the placing cavity 18 is used for placing wires, so that the wires cannot be damaged when the dies are closed.

The working principle and the process are as follows: fixing the mould strip 3 in the lower mould strip groove 11 of the lower mould 2, moving the upper mould 1 to complete the mould closing of the upper mould 1 and the lower mould 2, ensuring the mutual matching between the mould strip 3, the upper mould 1 and the lower mould 2, injecting the material for product forming into the mould through the injection port 7, enabling the rubber material in the mould to sequentially enter the material channel formed by the runner 14 and the pouring gate 10 and the material injection channel 5 through the initial section 9 of the material injection channel, and finally flowing into the mould cavity 4 to complete the product forming.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. The utility model provides a HDMI interface forming die which characterized in that: comprises a mould strip, an upper mould and a lower mould matched with the upper mould;

the split surfaces of the upper die and the lower die are respectively provided with a plurality of die cavities, each die cavity is connected with a material injection groove, the joint of the material injection groove and the die cavity is provided with a glue injection hole, and the glue injection holes are respectively communicated with the material injection groove and the die cavity; the upper die and the lower die are both provided with a material injection port, and the material injection ports are communicated with the initial section of the material injection groove;

the upper die is provided with an upper die strip groove, the upper die strip groove is provided with a pouring gate, the pouring gate is communicated with a material injection groove of the upper die, the lower die is provided with a lower die strip groove, and the die strips are arranged in the upper die strip groove and the lower die strip groove;

a plurality of grooves are formed in one side, close to the die cavity, of each die strip, positioning protrusions are arranged inside the grooves, runners matched with the runners are further arranged on the die strips, and the runners are communicated with the material injection grooves.

2. The HDMI interface forming die of claim 1, wherein: the number of the grooves is the same as that of the die cavities, and the positions of the grooves correspond to those of the die cavities one to one.

3. The HDMI interface forming die of claim 1, wherein: the size of the positioning bulge is consistent with that of the HDMI interface groove.

4. The HDMI interface forming die of claim 1, wherein: the upper die is provided with a plurality of positioning pieces.

5. The HDMI interface forming die of claim 4, wherein: a plurality of positioning holes are formed in the lower die, and the positioning pieces are embedded into the positioning holes.

6. The HDMI interface forming die of claim 1, wherein: and a plurality of wire grooves are formed in the parting surfaces of the upper die and the lower die, and each wire groove is connected with the die cavity.

7. The HDMI interface forming die of claim 1, wherein: and the upper die and the lower die are both provided with a placing cavity.

8. The HDMI interface forming die of claim 1, wherein: a plurality of water cooling holes are formed in the upper die and the lower die, and each water cooling hole is located in the front surface and the rear surface of the upper die and the lower die.