CN209504764U - A kind of novel mould core structure and the automobile parts molding die with the structure - Google Patents

Abstract

The utility model discloses a novel mold core structure, which includes a forming plate and a push rod assembly, and also includes a core body, a plurality of first inserts and a plurality of second inserts, the forming plate is provided with mold grooves, the core body and several The first inserts are all arranged in the mold cavity, the mold core body is arranged in the center of the mold cavity, several first inserts are arranged around the mold core body and bonded to the outer wall of the mold core body, and the forming plate is also provided with a second insert There are insert slots with the same number of blocks and distributed around the mold slot, each insert slot is equipped with a second insert, and several first inserts and second inserts are connected with the ejector rod assembly, and the ejector rod assembly can connect several The first insert and several second inserts are ejected from the mold groove. The utility model has a simple structure, and is easy to demould after the accessories are formed. The combined mold core structure of each insert and the core body is easier to develop and process, and shortens the processing time of the entire mold. The utility model also discloses an auto parts molding die with the structure.

Description

A new mold core structure and auto parts forming mold with the structure

technical field

The utility model relates to the field of injection molds, in particular to a novel core structure and an auto parts forming mold with the structure.

Background technique

Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted material into the mold cavity, and after cooling and solidifying, a molded product is obtained. Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molds are generally composed of a moving mold and a fixed mold. The moving mold is installed on the moving template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form the gating system and the cavity, and the movable mold and the fixed mold are separated to take out the plastic product when the mold is opened.

As shown in Figure 1, the structure of an auto part is made of plastic and needs to be manufactured through an injection mold. Because the part is thin and small, it is difficult to demould after the part is formed. The mold in the existing injection mold The core structure is not suitable for the molding and demoulding of this accessory. Therefore, those skilled in the art redesigned a mold core structure.

Contents of the invention

The technical problem to be solved by the utility model is to provide a mold core structure which is simple in structure and suitable for product demoulding, and further provide an auto parts forming mold adopting the mold core structure.

The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a new mold core structure, including a forming plate and a push rod assembly, and also includes a mold core body, a number of first inserts and a number of second inserts. The molding plate is provided with a mold cavity, the core body and several first inserts are set in the cavity, the core body is set in the center of the cavity, and the core body is surrounded by the first inserts It is arranged and attached to the outer wall of the mold core body. The molding plate is also provided with insert grooves that are consistent with the number of the second inserts and distributed around the mold groove. Each insert groove is provided with the first insert groove. Two inserts, the plurality of first inserts and the second inserts are all connected with the ejector rod assembly, and the ejector rod assembly can eject the plurality of first inserts and the plurality of second inserts from the mold groove.

A further preferred solution of the utility model: the plurality of first inserts are spliced together.

A further preferred solution of the present invention: the number of the first inserts is three, and the three first inserts are spliced to form a round hole, and the core body is arranged in the round hole.

A further preferred solution of the present invention: the number of the second inserts is consistent with the number of the first inserts.

A further preferred solution of the utility model: the top of the mold core body is provided with a material trough, and the material trough communicates with the insert groove.

A further preferred solution of the utility model: a mold for auto parts, including a mold core structure, the mold core structure includes a forming plate and a ejector rod assembly, and also includes a mold core body, a number of first inserts and a number of second inserts , the molding plate is provided with a cavity, the core body and the first inserts are set in the cavity, the core body is set in the center of the cavity, and the first inserts Arranged around the core body and attached to the outer wall of the core body, the molding plate is also provided with insert grooves that are consistent with the number of the second inserts and distributed around the mold grooves, each insert groove is provided with The second insert, the plurality of first inserts and the second insert are all connected to the ejector rod assembly, and the ejector rod assembly can push the plurality of first inserts and several second inserts out of the mold groove out of the middle.

A further preferred solution of the utility model: the plurality of first inserts are spliced together.

A further preferred solution of the present invention: the number of the first inserts is three, and the three first inserts are spliced to form a round hole, and the core body is arranged in the round hole.

A further preferred solution of the present invention: the number of the second inserts is consistent with the number of the first inserts.

A further preferred solution of the utility model: the top of the mold core body is provided with a material trough, and the material trough communicates with the insert groove.

Compared with the prior art, the utility model has the advantages of simple structure and easy demoulding of accessories after forming. To put it simply, the molded plate is provided with mold grooves, and the mold grooves and several insert grooves are parts forming areas. After the accessories are formed, it is only necessary to push the first inserts and the second inserts out of the mold grooves through the ejector rod assembly. , the accessories are separated from the forming plate; in addition, the mold core structure of the combination of each insert and the mold core body is easier to develop and process, and shortens the processing time of the entire mold.

Description of drawings

Figure 1 is a schematic diagram of the accessory structure;

Fig. 2 is a structural schematic diagram of the utility model one;

Fig. 3 is the structure schematic diagram II of the utility model.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1 to 3: a new mold core structure, including a forming plate 1 and a ejector pin assembly, and also includes a core body 2, a number of first inserts 3 and a number of second inserts 4, the forming plate 1 is set There is a mold cavity 5, the mold core body 2 and some first inserts 3 are all arranged in the mold cavity 5, the mold core body 2 is arranged at the center of the mold groove 5, and some first inserts 3 are arranged around the mold core body 2 and are connected with the mold core body. The outer wall of the core body 2 is attached, and the forming plate 1 is also provided with insert grooves 6 that are in the same number as the second inserts 4 and distributed around the mold groove 5, and each insert groove 6 is provided with a second insert 4 , the plurality of first inserts 3 and the second inserts 4 are connected to the ejector rod assembly, and the ejector rod assembly can push the plurality of first inserts 3 and the plurality of second inserts 4 out of the cavity 5 .

Several first inserts 3 are spliced together.

The number of the first inserts 3 is three, and the three first inserts 3 form a round hole after splicing, and the mold core body 2 is arranged in the round hole.

The quantity of the second insert 4 is consistent with the quantity of the first insert 3 .

The top of the mold core body 2 is provided with a trough 7, and the trough 7 communicates with the slot 6 of the insert.

A molding die for auto parts, including a mold core structure, the mold core structure includes a molding plate 1 and a push rod assembly, and also includes a mold core body 2, a number of first inserts 3 and a number of second inserts 4, the molding plate 1 is provided with The mold cavity 5, the mold core body 2 and some first inserts 3 are all arranged in the mold cavity 5, the mold core body 2 is arranged at the center of the mold groove 5, and some first inserts 3 are arranged around the mold core body 2 and are connected with the mold core The outer wall of the body 2 is attached, and the forming plate 1 is also provided with insert grooves 6 that are consistent with the number of the second inserts 4 and distributed around the mold groove 5, and each insert groove 6 is provided with a second insert 4, The plurality of first inserts 3 and the second inserts 4 are connected to the ejector rod assembly, and the ejector rod assembly can push the plurality of first inserts 3 and the plurality of second inserts 4 out of the cavity 5 .

Several first inserts 3 are spliced together.

The number of the first inserts 3 is three, and the three first inserts 3 form a round hole after splicing, and the mold core body 2 is arranged in the round hole.

The quantity of the second insert 4 is consistent with the quantity of the first insert 3 .

The top of the mold core body 2 is provided with a trough 7, and the trough 7 communicates with the slot 6 of the insert.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A new mold core structure, comprising a forming plate and a push rod assembly, characterized in that it also includes a core body, a number of first inserts and a number of second inserts, the forming plate is provided with a mold groove, the The mold core body and several first inserts are all arranged in the mold cavity, the mold core body is arranged in the center of the mold cavity, and the several first inserts are arranged around the mold core body and are connected to the outer wall of the mold core body Fitting, the molding plate is also provided with insert grooves that are consistent with the number of the second inserts and distributed around the mold groove, each insert groove is provided with the second inserts, and the plurality of first inserts Both the first insert and the second insert are connected with the ejector rod assembly, and the ejector rod assembly can eject several first inserts and several second inserts from the mold groove. 2. A new mold core structure according to claim 1, characterized in that said several first inserts are spliced together. 3. A new mold core structure according to claim 2, characterized in that the number of the first inserts is three, and the three first inserts are spliced to form a round hole, and the core body is set in the round hole. 4. A new mold core structure according to claim 3, characterized in that the number of the second inserts is the same as the number of the first inserts. 5. A new mold core structure according to claim 4, characterized in that the top of the mold core body is provided with a material groove, and the material groove communicates with the insert groove. 6. A molding die for auto parts, comprising a mold core structure, the mold core structure comprising a forming plate and a push rod assembly, characterized in that it also includes a mold core body, a plurality of first inserts and a plurality of second inserts, the The molded plate is provided with a cavity, the core body and the first inserts are set in the cavity, the core body is set in the center of the cavity, and the first inserts surround the mold The core body is arranged and attached to the outer wall of the core body, and the molding plate is also provided with insert grooves that are consistent with the number of the second inserts and distributed around the mold groove, and each insert groove is provided with the The second insert, the plurality of first inserts and second inserts are all connected to the ejector rod assembly, and the ejector rod assembly can push the plurality of first inserts and several second inserts from the mold groove out. 7. A molding die for auto parts according to claim 6, characterized in that said several first inserts are spliced together. 8. A molding die for auto parts according to claim 7, characterized in that the number of the first inserts is three, and the three first inserts are spliced to form a round hole, and the core body is set in the round hole. 9. A molding die for auto parts according to claim 8, characterized in that the number of the second inserts is the same as the number of the first inserts. 10. A molding die for auto parts according to claim 9, characterized in that a trough is provided on the top of the core body, and the trough communicates with the slot of the insert.