CN218557834U - Plastic mould - Google Patents

Abstract

The utility model discloses a plastic mould, which comprises a first mold frame and a second mold frame which are arranged oppositely. The first mold frame is provided with an injection port. The plastic mold comprises: a mold core assembly which is arranged on the first mold Between the frame and the second mold frame, the mold core assembly is formed with at least two sets of cavities that are separately arranged; the insert assembly includes two inserts that are oppositely arranged in the mold core assembly, and the insert includes a fixed part and a rotating part, The fixed part is provided with a first flow channel connected with the injection port, the rotating part is provided with a second flow channel connected with the first flow channel, and the rotating part is rotated so that one group of cavities is connected with the second flow channel . The utility model can simultaneously design two or more products in the same set of moulds, which saves the manufacturing cost of the moulds, avoids dismantling and replacing the moulds, reduces invalid working hours, and is beneficial to improving production efficiency.

Description

plastic mold

technical field

The utility model belongs to the technical field of injection molding, in particular to a plastic mold.

Background technique

In actual production, a set of plastic molds can only produce one product. After the order for one product is completed, if you want to produce other products, you need to remove the currently used mold from the molding machine and reinstall another set of molds. When two or more products are produced in this way, the operator needs to disassemble the mold, which increases the invalid man-hours such as lowering the mold temperature, changing the mold, heating the mold, etc., and reduces the production efficiency of the enterprise; at the same time, due to the need to use different The mold meets the needs of producing different products, which increases the manufacturing cost of the mold.

Therefore, in view of the above technical problems, it is necessary to provide a plastic mold.

Utility model content

In view of this, the purpose of the utility model is to provide a plastic mold.

In order to achieve the above object, the technical solution provided by an embodiment of the utility model is as follows:

A plastic mold, the plastic mold includes a first mold frame and a second mold frame oppositely arranged, the first mold frame is provided with an injection port, and the plastic mold includes:

A plastic mold, the plastic mold includes a first mold frame and a second mold frame oppositely arranged, the first mold frame is provided with an injection port, it is characterized in that the plastic mold includes:

A mold core assembly, the mold core assembly is arranged between the first mold frame and the second mold frame, and the mold core assembly is formed with at least two sets of cavities arranged separately;

The insert assembly includes two inserts arranged oppositely in the mold core assembly, the inserts include a fixed part and a rotating part, and the fixed part is provided with a first flow channel communicating with the injection port, A second flow channel communicating with the first flow channel is provided on the rotating part, and the rotating part rotates so that one group of the cavities communicates with the second flow channel.

In one embodiment, the mold core assembly includes a first mold core fixedly installed in the first mold frame and a second mold core fixedly installed in the second mold frame, the first mold core and the second mold core The two mold cores are fixedly installed and enclosed to form the cavity.

In one embodiment, the cavity includes a molding cavity and a third flow channel communicating with the molding cavity.

In one embodiment, the insert assembly includes a first insert fixedly installed in the first mold core and a second insert fixedly installed in the second mold core, the first insert and The second insert is fixedly installed.

In one embodiment, the first insert includes a first fixed part and a first rotating part, and the first fixed part includes a first protruding part fixedly installed on the first mold frame and a first protruding part fixedly installed on the first mold frame. The first main body part in the first mold core, the first rotating part is installed on the first main body part;

The second insert includes a second fixed portion and a second rotating portion, the second fixed portion includes a second protrusion and a second main body fixedly installed in the second mold core, the second The rotating part is installed on the second main part.

In one embodiment, the first rotating part is provided with a first groove communicating with the first flow channel, and the second rotating part is provided with a second groove communicating with the first flow channel, so The first groove and the second groove surround to form a second flow channel.

In one embodiment, the first mold core is provided with a first positioning member, and the first protrusion is provided with at least two first positioning holes and/or first positioning surfaces, and the first positioning member and The first positioning hole and/or the first positioning surface are fitted together.

In one embodiment, the second mold frame is provided with a second positioning member, and the second protrusion is provided with at least two second positioning holes and/or a second positioning surface, and the second positioning member and The second positioning hole and/or the second positioning surface are fitted together.

In one embodiment, the first rotating part is provided with a first clamping part, and the second rotating part is provided with a second clamping part.

In one embodiment, the first clamping portion includes several connection holes, and the second clamping portion includes several connection holes; and/or,

The first clamping portion includes several connection holes or protrusions, and the second clamping portion includes several protrusions or connection holes.

The utility model has the following beneficial effects:

The utility model provides a plastic mould, which can simultaneously design two or more products in the same set of moulds, saving the manufacturing cost of the moulds;

The utility model has a simple structure, just by rotating the rotating part on the insert assembly, different products can be freely switched and produced, avoiding the disassembly and replacement of the mold, effectively reducing the invalid working hours for cooling the mold, disassembling, heating, etc., and improving the efficiency of the enterprise. The production efficiency is conducive to widespread promotion.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments recorded in the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is the structural representation of plastic mold in a specific embodiment of the utility model;

Fig. 2 is a schematic structural view of the insert assembly in a specific embodiment of the utility model;

Fig. 3 is a schematic view of the structure of the first insert in a specific embodiment of the present invention;

Fig. 4 is a top view structural diagram of a second insert in a specific embodiment of the present invention;

Fig. 5 is a schematic bottom view of the second insert in a specific embodiment of the present invention;

Figure 6 is an enlarged view of the local structure at A in Figure 1;

Figure 7 is an enlarged view of the local structure at B in Figure 1;

Fig. 8 is a structural schematic diagram of the communication between the first cavity and the injection port in a specific embodiment of the present invention;

Fig. 9 is a schematic structural diagram of the communication between the second cavity and the injection port in a specific embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the attached drawings, or the orientation or positional relationship that is usually placed when the application product is used, or the orientation or positional relationship that is commonly understood by those skilled in the art , is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the utility model.

In the description of the embodiments of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be A fixed connection can also be a detachable connection or an integral connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In the description of the embodiments of the present utility model, it should also be noted that the terms "first" and "second" used herein do not specifically refer to order or sequence, nor are they intended to limit this case. It is only for distinguishing between components or operations described with the same technical terms.

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The technical solution in the utility model will be described below in conjunction with the accompanying drawings.

As shown in FIG. 1 , a plastic mold in a specific embodiment of the present invention includes a first mold frame 1 , a second mold frame 2 , a core assembly 3 , and an insert assembly 4 .

Specifically, the first mold frame 1 and the second mold frame 2 in this embodiment are arranged oppositely, and the first mold frame 1 is provided with an injection port 11, and the setting of the injection port 11 is to facilitate injection into the cavity of the plastic mold. resin.

The mold core assembly 3 in this embodiment is arranged between the first mold frame 1 and the second mold frame 2 , and at least two sets of cavities 5 and 6 are formed between the mold core assembly 3 . The cavities 5 and 6 in this embodiment are two groups, but the utility model is not limited thereto, and three groups can also be set for producing three kinds of products, which is acceptable and understood by those skilled in the art.

The insert assembly 4 in this embodiment includes two inserts arranged oppositely in the mold core assembly 3 , the insert includes a fixed part and a rotating part, and the fixed part is provided with a first flow channel 43 communicating with the injection port 11 The rotating part is provided with a second flow channel 44 communicating with the first flow channel 43 , and the rotating part rotates so that one of the cavities 5 and 6 communicates with the second flow channel 44 .

According to this design, as shown in Fig. 8 and Fig. 9, in this embodiment, two or more products can be designed in the same mold at the same time, which saves the manufacturing cost of the mould; Rotate the part to change the position of the second flow channel 44, so that one of the two cavities 5, 6 communicates with the second flow channel 44, thereby causing one of the cavities 5, 6 to pass through the second flow channel 44. The setting of the first flow channel 43 and the second flow channel 44 communicates with the injection port 11, so that the resin can be injected from the injection port 11 and flow through the first flow channel 43 and the second flow channel 44 into the cavities 5 and 6, thereby producing products .

In this embodiment, since two sets of cavities 5, 6 are formed separately in the mold core assembly 3, and each set of cavities 5, 6 is used to produce a product, so in the plastic mold in this embodiment After the resin is injected, at least two different products can be produced by changing the position of the second runner 44. This embodiment has a simple structure, avoids the need to disassemble and replace the mold, effectively reduces the ineffective man-hours for mold cooling, disassembly, heating, etc., and improves It improves the production efficiency of the enterprise and is conducive to widespread promotion.

Specifically, the mold core assembly 3 includes a first mold core 31 fixedly installed in the first mold frame 1 and a second mold core 32 fixedly installed in the second mold frame 2, the first mold core 31 and the second mold core 32 surrounds and forms cavities 5,6. By arranging the first mold core 31 and the second mold core 32 which are arranged oppositely and cooperate with the installation, rapid installation can be realized and the installation efficiency can be improved. Cavities 5 and 6 are formed by coordinating and installing the bead 32, and this design method can produce products that meet the requirements relatively completely, and is easy to popularize.

Further, the cavities 5 , 6 in this embodiment include molding cavities 51 , 61 and third flow channels 52 , 62 . According to this design, the resin injected inside can be produced according to the shapes of the molding cavities 51, 61 to produce products with specified shapes, specifications, and sizes. Simultaneously, the design of the third runner 52, 62 is to facilitate the contact with the second runner 44 on the one hand, and on the other hand, ejection structures such as thimbles can be set at its lower part, which is used to push the formed product out of the cavity 5. 6. Ejection in 6 to achieve the purpose of demoulding.

Referring to Fig. 2, the insert assembly 4 in this embodiment includes a first insert 41 fixedly installed in the first mold core 31 and a second insert 42 fixedly installed in the second mold core 32, the first The insert 41 and the second insert 42 are fixedly installed. According to this design, it is beneficial to fixedly install the insert component 4 in the mold core component 3, the installation speed is high, and the fixing is firm.

Specifically, the first insert 41 in this embodiment includes a first fixed part 411 and a first rotating part 412, and the first fixed part 411 includes a first protruding part 4111 fixedly installed on the first mold frame 1 and a fixed Installed on the first main body part 4112 in the first mold core 31 , the first rotating part 412 is installed on the first main body part 4112 . The second insert 42 includes a second fixed part and a second rotating part 422. The second fixed part includes a second protruding part 4211 and a second main body part 4212 fixedly installed in the second mold core 32. The second rotating part 422 Installed on the second body part 4212 .

Wherein, as shown in FIG. 3 and FIG. 4, the first rotating part 412 is provided with a first groove 4121 communicating with the first flow channel 43, and the second rotating part 422 is provided with a second groove communicating with the first flow channel 43. The groove 4221 , the first groove 4121 and the second groove 4221 surround and form the second channel 44 .

According to this design, by rotating the first rotating part 412 and the second rotating part 422 respectively, the first rotating part 412 and the second rotating part 422 have the same rotation angle. The second channel 44 surrounded by the second groove 4221 communicates with the third channel 52 , 62 of one set of the cavities 5 , 6 , so that the molding cavity 51 , 61 communicates with the injection port 11 .

In order to position the first insert 41, as shown in FIG. 3 and FIG. A positioning hole 41111, 42111 and/or the first positioning surface, the first positioning member 311 is installed in cooperation with the first positioning hole 41111, 42111 and/or the first positioning surface.

The specific positioning method is as follows: the first positioning member 311 includes a first elastic member 3111 arranged in the first mold core 31 and a first ball 3112 connected to the first elastic member 3111 and partially exposing the first mold core 31, when the first When the rotating part 412 rotates to the state where the first groove 4121 communicates with the third flow channel 5262, the first ball 3112 is aligned with the first positioning hole 41111, 42111 and/or the first positioning surface under the action of the first elastic member 3111 One of them is in contact with each other, so as to realize the overall positioning of the first insert 41 and prevent the rotation of the first insert 41 during production.

In order to position the second insert 42, the second mold frame 2 in this embodiment is provided with a second positioning member 21, and the second protrusion 4211 is provided with at least two second positioning holes 41111, 42111 and/or The second positioning surface, the second positioning member 21 is installed in cooperation with the second positioning holes 41111, 42111 and/or the second positioning surface.

The specific positioning method is: the second positioning member 21 includes a second elastic member 211 arranged in the second mold frame 2 and a second ball 212 connected to the second elastic member 211 and partially exposing the second mold frame 2 , when the second rotating part 422 rotates to the state where the second groove 4221 communicates with the third flow channel 5262 , the second ball 212 contacts with the second positioning holes 41111 , 42111 and/or under the action of the second elastic member 211 One of the second positioning surfaces is in contact, so as to realize the overall positioning of the second insert 42 and prevent the second insert 42 from rotating during production. In order to facilitate the rotation, in this embodiment, a first engaging portion 4122 is provided on the first rotating portion 412 , and a second engaging portion 4222 is provided on the second rotating portion 422 .

According to this design, after the production of one product is completed, tools such as a wrench can be used to rotate the first insert 41 and the second insert 42, so that the second flow channel 44 is aligned with the other set of cavities 5, 6 Connected, so that the plastic mold in this embodiment can produce another product.

Specifically, the first engaging portion 4122 in this embodiment includes two connecting holes, and the second engaging portion 4222 includes two connecting holes. According to this design, the wrench can be engaged with the two connection holes to rotate the first rotating part 412 or the second rotating part 422 .

But the utility model is not limited thereto, and a connection hole can also be designed, as long as the shape of the connection hole is non-circular; the first engaging part 4122 can be set as a connecting hole, and the second engaging part 4222 can be set as A bump installed in conjunction with the connecting hole; or the first clamping part 4122 can be set as a bump, and the second clamping part 4222 can be set as a connecting hole; these design methods can be realized through external tools and the first clamping part 4122 or the second locking part 4222 cooperate to rotate the first rotating part 412 or the second rotating part 422 . This is acceptable and understood by those skilled in the art.

As can be seen from the above technical solutions, the utility model has the following beneficial effects:

The utility model provides a plastic mould, which can simultaneously design two or more products in the same set of moulds, saving the manufacturing cost of the moulds;

The utility model has a simple structure, just by rotating the rotating part on the insert assembly, different products can be freely switched and produced, avoiding the disassembly and replacement of the mold, effectively reducing the invalid working hours for cooling the mold, disassembling, heating, etc., and improving the efficiency of the enterprise. The production efficiency is conducive to widespread promotion.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents to the requirements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although the specification is described according to the embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims (10)

1. a plastic mould, said plastic mold comprises first mold frame and the second mold frame of relative arrangement, said first mold frame is provided with injection molding port, it is characterized in that said plastic mold comprises: A mold core assembly, the mold core assembly is arranged between the first mold frame and the second mold frame, and the mold core assembly is formed with at least two sets of cavities arranged separately; The insert assembly includes two inserts arranged oppositely in the mold core assembly, the inserts include a fixed part and a rotating part, and the fixed part is provided with a first flow channel communicating with the injection port, A second flow channel communicating with the first flow channel is provided on the rotating part, and the rotating part rotates so that one group of the cavities communicates with the second flow channel. 2. The plastic mold according to claim 1, wherein the mold core assembly includes a first mold core fixedly installed in the first mold frame and a second mold core fixedly installed in the second mold frame The mold core, the first mold core and the second mold core are fixedly installed and enclosed to form the cavity. 3 . The plastic mold according to claim 2 , wherein the cavity comprises a molding cavity and a third flow channel communicating with the molding cavity. 4 . 4. The plastic mold according to claim 2, wherein the insert assembly includes a first insert fixedly installed in the first mold core and a second insert fixedly installed in the second mold core Two inserts, the first insert and the second insert are fixedly installed. 5. The plastic mold according to claim 4, wherein the first insert includes a first fixed portion and a first rotating portion, and the first fixed portion includes a The first protruding part and the first main body fixedly installed in the first mold core, the first rotating part is installed on the first main body; The second insert includes a second fixed portion and a second rotating portion, the second fixed portion includes a second protrusion and a second main body fixedly installed in the second mold core, the second The rotating part is installed on the second main part. 6. The plastic mold according to claim 5, wherein the first rotating part is provided with a first groove communicating with the first flow channel, and the second rotating part is provided with a groove connected to the first flow channel. The first groove and the second groove are enclosed to form the second flow channel. 7. The plastic mold according to claim 5, wherein the first mold core is provided with a first positioning member, and the first protrusion is provided with at least two first positioning holes and/or a second positioning hole. A positioning surface, the first positioning member is installed in cooperation with the first positioning hole and/or the first positioning surface. 8. The plastic mold according to claim 5, wherein a second positioning member is provided on the second mold frame, and at least two second positioning holes and/or a second positioning member are provided on the second protruding portion. Two positioning surfaces, the second positioning member is installed in cooperation with the second positioning hole and/or the second positioning surface. 9 . The plastic mold according to claim 5 , wherein a first engaging portion is provided on the first rotating portion, and a second engaging portion is provided on the second rotating portion. 10. The plastic mold according to claim 9, wherein the first clamping portion includes several connection holes, and the second clamping portion includes several connection holes; and/or, The first clamping portion includes several connection holes or protrusions, and the second clamping portion includes several protrusions or connection holes.

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