Forming mechanism and forming device

Abstract

The utility model relates to the technical field of injection molding, and provides a molding mechanism and a molding device with the molding mechanism. The forming mechanism is applied to a forming mold provided with a male mold mechanism and a female mold mechanism which are opened and closed and matched, and comprises at least two groups of forming assemblies which are arranged on the side, facing the female mold mechanism, of the male mold mechanism in a sliding mode and form a circular groove in a surrounding mode during mold closing, and each group of forming assembly is provided with a plurality of guide grooves and a plurality of limiting grooves; each insert component comprises an insert part and a movable part, the insert parts are movably arranged in the corresponding guide grooves in a penetrating manner, and one end of each movable part is movably arranged in the corresponding limiting groove in a penetrating manner and is connected with the corresponding insert part; and the rotating disc assembly is arranged on the side, away from the female die mechanism, of the forming assembly and provided with a plurality of inclined grooves in one-to-one correspondence with the multiple guide grooves, and the multiple inclined grooves contain the corresponding movable parts correspondingly. According to the forming mechanism and the forming device, the phenomenon that the multiple forming sliding blocks are stuck during demolding can be avoided, the mechanical structure is simplified, and the demolding difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a molding mechanism and a molding device. Background Art

[0002] In the field of injection molding, mold design is crucial to ensure smooth demoulding of products. Usually, the mold will be designed with a certain draft angle to reduce the difficulty of demoulding. For cylindrical or round frame products, especially those with multiple geometric holes on the side, a mold design with a zero-degree draft angle is generally used to significantly improve the appearance quality of the product and avoid leaving demoulding marks on the surface.

[0003] However, the design of the mold with a zero-degree draft angle requires that the molded product be demolded by side demolding, that is, the molding slider moves perpendicular to the mold opening direction when the mold is opened. Since the peripheral side of the product has multiple geometric holes (such as circular holes) and the extension directions of the multiple geometric holes intersect, if multiple independently moving molding sliders are used to form the corresponding geometric holes respectively, this will complicate the mechanical structure of the mold, increase the mold cost and maintenance difficulty, and easily cause jamming when the mold is opened. If multiple molding parts are set at the end of a molding slider to simultaneously form multiple geometric holes, the demolding direction of its molding body intersects with the demolding directions of the multiple molding parts, resulting in interference between the molding slider and the geometric holes of the product when the mold is opened, which will damage the product and cause demolding difficulties. Utility Model Content

[0004] In view of the above situation, it is necessary to provide a molding mechanism and a molding device to simplify the mechanical structure and reduce the difficulty of demoulding.

[0005] The embodiment of the present application provides a molding mechanism, which is applied to a molding die provided with a male mold mechanism and a female mold mechanism that are opened and matched, including:

[0006] At least two groups of molding components are slidably arranged on the side of the male mold mechanism facing the female mold mechanism and are surrounded to form a circular groove when the mold is closed. Each group of molding components is provided with a plurality of guide grooves and a plurality of limit grooves. The plurality of guide grooves are arranged at intervals along the circumference of the circular groove and are opened on the groove wall of the circular groove. The extension directions of two adjacent guide grooves intersect. The plurality of limit grooves are arranged in one-to-one correspondence with the plurality of guide grooves and are opened on the groove wall of the corresponding guide groove away from the female mold mechanism. The extension direction of each limit groove is parallel to the extension direction of the corresponding guide groove.

[0007] A plurality of entry subassemblies are arranged one by one corresponding to the plurality of guide grooves and each comprises an entry subassembly and a movable part, wherein the entry subassembly is movably inserted into the corresponding guide groove, and one end of the movable part is movably inserted into the corresponding limit groove and connected to the entry subassembly;

[0008] A turntable assembly is arranged on a side of the molding assembly away from the mother mold mechanism and is provided with a plurality of inclined grooves corresponding to the plurality of guide grooves. The plurality of inclined grooves are arranged at equal intervals along the circumference of the turntable assembly, and the extension direction of each inclined groove is inclined to the extension direction of the corresponding limiting groove. The plurality of inclined grooves respectively accommodate the corresponding movable parts.

[0009] When the mold is closed, the turntable assembly rotates in a preset direction and pushes the corresponding movable parts through the groove walls of the multiple inclined grooves, so that the movable parts drive the corresponding input parts to extend out of the guide groove under the limitation of the corresponding limit grooves, so as to cooperate with the molding assembly, the male mold mechanism and the female mold mechanism to form a molding cavity of the injection molded product, and form a geometric hole on the circumference of the product; when the mold is opened, the turntable assembly rotates in a direction opposite to the preset direction and pushes the corresponding movable parts through the groove walls of the multiple inclined grooves, so that the movable parts drive the corresponding input parts to retract into the guide groove under the limitation of the corresponding limit grooves, so that the input parts are separated from the geometric holes of the product, and at least two groups of the molding assemblies drive the retracted input parts to separate from the molded product.

[0010] In some embodiments, each group of molding components comprises:

[0011] An arc-shaped forming member is slidably arranged on the male mold mechanism and is provided with a plurality of the guide grooves and a plurality of the limit grooves, and the arc-shaped forming member is used to surround and form the circular groove when the mold is closed;

[0012] A driving member is connected to the arc-shaped forming member, and is used to drive the arc-shaped forming member to move in a direction perpendicular to the mold opening direction, so as to drive the arc-shaped forming member to cooperate with the male mold mechanism, the female mold mechanism and the insert member to form the molding cavity when the mold is closed, or to drive the arc-shaped forming member to drive the insert member retracted into the guide groove to separate from the product when the mold is opened.

[0013] In some embodiments, the insert comprises:

[0014] An insert body is movably arranged in the corresponding guide groove and connected to the corresponding movable member;

[0015] A plurality of forming bodies are arranged at intervals along the mold opening direction and are all connected to the insert body. When the mold is closed, the plurality of forming bodies are driven by the insert body and extend out of the guide groove at the same time to form a plurality of geometric holes of the product along the mold opening direction.

[0016] In some embodiments, a cross-sectional area of ​​the insert body along the mold opening direction is greater than a cross-sectional area of ​​the forming body along the mold opening direction.

[0017] In some embodiments, each of the guide grooves and each of the inserting bodies are respectively provided with a avoiding groove and a clamping groove on one side facing the turntable assembly;

[0018] The molding mechanism also includes a clamping assembly, which includes a linkage member and a plurality of clamping members. The linkage member and the turntable assembly are arranged on the same side of the molding assembly. The plurality of clamping members correspond to the plurality of guide grooves one by one and are arranged on the linkage member at circumferential intervals along the linkage member. The plurality of clamping members are used to pass through the corresponding avoidance grooves and enter the corresponding clamping grooves under the drive of the linkage member when the mold is closed, so as to clamp the corresponding insert body.

[0019] In some embodiments, the turntable assembly comprises:

[0020] A turntable, arranged on a side of the molding assembly away from the mother mold mechanism, and provided with a plurality of the inclined grooves;

[0021] The pull rod member is movably connected to the turntable member and is used to drive the turntable member to rotate so as to drive the multiple movable members to move synchronously.

[0022] In some embodiments, the turntable member comprises:

[0023] A turntable body, wherein a plurality of the inclined slots are provided on the turntable member;

[0024] The connecting body is protruded on the peripheral side of the turntable body along the vertical direction of the mold opening direction and is movably connected with the pull rod.

[0025] In some embodiments, the turntable body is provided with a receiving groove, the receiving groove penetrates the turntable body along the mold opening direction, and the receiving groove is used to receive the plurality of the clamping members to avoid the plurality of the clamping members when the mold is closed.

[0026] In some embodiments, the connector is provided with a receiving groove, and the receiving groove penetrates the connector along the mold opening direction;

[0027] The pull rod member includes a linkage body and a pull rod body. The linkage body is movably arranged in the accommodating groove along the mold opening direction and is gap-matched with the accommodating groove. The pull rod body is connected to the linkage body to drive the linkage body to move in the accommodating groove to drive the turntable body to rotate.

[0028] The present application also provides a molding device, including:

[0029] The forming mechanism described in the above embodiment; and

[0030] The molding die comprises a male mold mechanism and a female mold mechanism which are matched with each other. The molding mechanism is arranged on a side of the male mold mechanism facing the female mold mechanism.

[0031] In the above-mentioned molding mechanism and molding device, a split structure is formed by at least two groups of molding components and multiple groups of entry sub-components, which can make the groove walls of multiple inclined grooves of the turntable component push the corresponding movable parts to move, so that the movable parts drive the corresponding entry sub-components to extend out of the guide groove or retract into the guide groove under the limitation of the corresponding limit groove, so that the multiple entry sub-components in each group of molding components can be respectively formed and separated from a single geometric hole of the product, avoiding the phenomenon of jamming of multiple molding slides during demolding, simplifying the mechanical structure, and reducing the difficulty of demolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic diagram of the three-dimensional structure of the molding device provided in an embodiment of the present application.

[0033] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the molding mechanism in the molding device shown.

[0034] Figure 3 for Figure 2 A schematic three-dimensional structural diagram of the forming mechanism shown in another angle.

[0035] Figure 4 for Figure 3 Schematic diagram of the structural decomposition of the forming mechanism shown.

[0036] Figure 5 for Figure 3 A schematic diagram of the structural decomposition of the molding components in the molding mechanism shown.

[0037] Figure 6 for Figure 3 The three-dimensional structural schematic diagram of the sub-assembly in the molding mechanism shown.

[0038] Figure 7 for Figure 3 A schematic diagram of the structural breakdown of the turntable assembly in the molding mechanism shown.

[0039] Main component symbols

[0040] Forming mechanism 100

[0041] Molding device 200

[0042] Public mold organization 201

[0043] Mother mold mechanism 202

[0044] Molding component 10

[0045] Circular slot 11

[0046] Guide groove 12

[0047] Limiting slot 13

[0048] Arc forming part 14

[0049] Driving member 15

[0050] Avoid slot 16

[0051] Enter subassembly 20

[0052] Enter sub-item 21

[0053] Entering the sub-body 211

[0054] Holder slot 2111

[0055] Molding 212

[0056] Active parts 22

[0057] Turntable assembly 30

[0058] Chute 31

[0059] Turntable 32

[0060] Turntable body 321

[0061] Storage slot 3211

[0062] Connector 322

[0063] Accommodation slot 3221

[0064] Tie rod 33

[0065] Linkage 331

[0066] Tie rod body 332

[0067] Clamping assembly 40

[0068] Linkage 41

[0069] Holder 42 DETAILED DESCRIPTION

[0070] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0071] In the description of the present application, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, it should be noted that the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0072] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0073] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0074] See also Figure 1 The embodiment of the present application provides a molding device 200, which includes a male mold mechanism 201, a female mold mechanism 202 and a molding mechanism 100. The male mold mechanism 201 and the female mold mechanism 202 are open and matched, and the molding mechanism 100 is arranged on the side of the male mold mechanism 201 facing the female mold mechanism 202, and is used for injection molding a product with multiple geometric holes on the side. The shape of the product is cylindrical, round frame, etc., and the geometric holes can be round holes, square holes, and holes of any other geometric shapes. Please refer to Figure 2 and Figure 3 The molding mechanism 100 includes at least two sets of molding components 10, a plurality of sub-components 20 and a turntable component 30.

[0075] See also Figure 2 , Figure 3 , Figure 4 and Figure 5At least two groups of molding components 10 are slidably arranged on one side of the male mold mechanism 201 facing the female mold mechanism 202 and are surrounded to form a circular groove 11 when the mold is closed. Each group of molding components 10 is provided with a plurality of guide grooves 12 and a plurality of limit grooves 13. The plurality of guide grooves 12 are arranged at intervals along the circumference of the circular groove 11 and are opened on the groove wall of the circular groove 11. The extension directions of two adjacent guide grooves 12 intersect. The plurality of limit grooves 13 are arranged one-to-one with the plurality of guide grooves 12 and are opened on the groove wall of the corresponding guide groove 12 away from the female mold mechanism 202. The extension direction of each limit groove 13 is parallel to the extension direction of the corresponding guide groove 12. The plurality of groups of entry sub-components 20 are arranged one-to-one with the plurality of guide grooves 12 and each includes an entry sub-component 21 and a movable component 22. The entry sub-component 21 is movably inserted into the corresponding guide groove 12, and one end of the movable component 22 is movably inserted into the corresponding limit groove 13 and connected to the entry sub-component 21. The turntable assembly 30 is arranged on the side of the molding assembly 10 away from the mother mold mechanism 202 and is provided with a plurality of inclined grooves 31 corresponding to the plurality of guide grooves 12. The plurality of inclined grooves 31 are arranged at equal intervals along the circumference of the turntable assembly 30, and the extension direction of each inclined groove 31 is inclined to the extension direction of the corresponding limit groove 13. The plurality of inclined grooves 31 respectively accommodate the corresponding movable parts 22.

[0076] When the molding mechanism 100 is in mold closing, at least two molding components 10 are surrounded to form a circular groove 11, and the turntable component 30 then rotates in a preset direction and pushes the corresponding movable part 22 through the groove walls of multiple inclined grooves 31, so that the movable part 22 drives the corresponding sub-piece 21 to extend out of the guide groove 12 under the limit of the corresponding limit groove 13, so as to cooperate with the molding component 10, the male mold mechanism 201 and the female mold mechanism 202 to form a molding cavity of the injection molded product, and form a geometric hole on the peripheral side of the product. When the molding mechanism 100 is in mold opening, the turntable component 30 rotates in a direction opposite to the preset direction and pushes the corresponding movable part 22 through the groove walls of multiple inclined grooves 31, so that the movable part 22 drives the corresponding sub-piece 21 to retract into the guide groove 12 under the limit of the corresponding limit groove 13, so that the sub-piece 21 is separated from the geometric hole of the product, and at least two groups of molding components 10 then drive the retracted sub-piece 21 to separate from the molded product.

[0077] In the above-mentioned forming mechanism 100, a split structure is formed by at least two groups of forming components 10 and multiple groups of entry components 20, which can enable the groove walls of multiple inclined grooves 31 of the turntable component 30 to push the corresponding movable parts 22 to move, so that the movable parts 22 drive the corresponding entry components 21 to extend out of the guide groove 12 or retract into the guide groove 12 under the limitation of the corresponding limit groove 13, so that the multiple entry components 21 in each group of forming components 10 can be respectively formed and separated from a single geometric hole of the product, avoiding the phenomenon of multiple forming sliders being stuck during demolding, simplifying the mechanical structure, and reducing the difficulty of demolding.

[0078] It can be understood that the above-mentioned preset direction can be a clockwise direction or a counterclockwise direction.

[0079] See also Figure 4 and Figure 5 In some embodiments, the forming assembly 10 includes an arc-shaped forming member 14 and a driving member 15. The arc-shaped forming member 14 is slidably disposed on the male mold mechanism 201 and is provided with a plurality of guide grooves 12 and a plurality of limit grooves 13. The arc-shaped forming member 14 is used to enclose and form a circular groove 11 when the mold is closed. The driving member 15 is connected to the arc-shaped forming member 14. The driving member 15 is used to drive the arc-shaped forming member 14 to move in a direction perpendicular to the mold opening direction, so as to drive the arc-shaped forming member 14 to cooperate with the male mold mechanism 201, the female mold mechanism 202 and the inserting member 21 to enclose and form a forming cavity when the mold is closed, or to drive the arc-shaped forming member 14 to drive the inserting member 21 retracted into the guide groove 12 to separate from the product when the mold is opened. Exemplarily, the driving member 15 can be any driving part, driving body or similar driving block that can drive the arc-shaped forming member 14 to move, such as a lever in the mold.

[0080] In this way, by setting the specific structure of the forming component 10, the driving member 15 can provide a stable driving force for the arc-shaped forming member 14, so that the arc-shaped forming body 212 can stably participate in the encirclement and formation of the forming cavity when the mold is closed, and stably separate from the product when the mold is opened, thereby improving the molding stability of the product. In addition, since the arc-shaped forming member 14 is an arc-shaped structure, it is beneficial for the arc-shaped forming member 14 to stably form cylindrical or round frame-shaped products.

[0081] See also Figure 6 In some embodiments, the insert 21 includes an insert body 211 and a plurality of forming bodies 212. The insert body 211 is movably arranged in the corresponding guide groove 12 and connected to the corresponding movable member 22. The plurality of forming bodies 212 are arranged at intervals along the mold opening direction and are all connected to the insert body 211. When the mold is closed, the plurality of forming bodies 212 are driven by the insert body 211 to simultaneously extend out of the guide groove 12 to form a plurality of geometric holes of the product along the mold opening direction.

[0082] Thus, by setting the specific structure of the insert 21, multiple forming bodies 212 can be simultaneously extended out of the guide groove 12 driven by the insert 211 when the mold is closed, so as to simultaneously form multiple geometric holes on the peripheral side of the product along the mold opening direction, thereby improving the forming efficiency.

[0083] It can be understood that the number of notches of the guide groove 12 adjacent to the circular groove 11 is multiple, and the notches of the multiple guide grooves 12 are arranged one-to-one corresponding to the multiple forming bodies 212, and are all connected to the main part of the sub-body 211 received by the guide groove 12. In this embodiment, the arc-shaped forming part 14 is provided with multiple guide grooves 12 along the mold opening direction, and the multiple guide grooves 12 arranged along the mold opening direction are connected and arranged one-to-one corresponding to the multiple forming bodies 212.

[0084] In some embodiments, the cross-sectional area of ​​the inlet body 211 along the mold opening direction is greater than the cross-sectional area of ​​the forming body 212 along the mold opening direction.

[0085] In this way, by setting the cross-sectional area of ​​the insert body 211 larger than the cross-sectional area of ​​the molding body 212, the insert body 211 can have a higher structural strength than the molding body 212, which facilitates the opening of a connecting structure in the insert body 211 to connect the movable part 22. At the same time, it helps the insert part 21 to withstand the pressure generated during the injection molding of the product, avoiding the insert part 21 from being broken due to excessive injection pressure, thereby ensuring the molding stability of the product.

[0086] See also Figure 4 , Figure 5 and Figure 6 In some embodiments, each guide groove 12 and each sub-body 211 is provided with a avoidance groove 16 and a clamping groove 2111 on one side facing the turntable assembly 30. The molding mechanism 100 further includes a clamping assembly 40, which includes a linkage member 41 and a plurality of clamping members 42. The linkage member 41 and the turntable assembly 30 are arranged on the same side of the molding assembly 10. The plurality of clamping members 42 correspond to the plurality of guide grooves 12 one by one and are arranged on the linkage member 41 at intervals along the circumference of the linkage member 41. The plurality of clamping members 42 are used to pass through the corresponding avoidance grooves 16 and penetrate into the corresponding clamping grooves 2111 under the drive of the linkage member 41 during mold closing to clamp the corresponding sub-body 211. Exemplarily, the linkage member 41 is any linkage plate, linkage block or similar linkage piece connected to a driving mechanism that can drive a plurality of clamping members 42 to move synchronously. The driving mechanism is, for example, a cylinder.

[0087] In this way, by setting the above-mentioned clamping assembly 40, multiple clamping parts 42 can be driven by the linkage part 41 to synchronously pass through the corresponding avoidance groove 16 and enter the corresponding clamping groove 2111 when the mold is closed, so that the clamping parts 42 and the corresponding insert bodies 211 are clamped to each other, preventing the insert parts 21 from shaking during the molding process and causing errors in the molded geometric holes, thereby improving the molding accuracy.

[0088] See also Figure 4 and Figure 7 In some embodiments, the turntable assembly 30 includes a turntable member 32 and a pull rod member 33. The turntable member 32 is disposed on a side of the molding assembly 10 away from the female mold mechanism 202 and is provided with a plurality of inclined grooves 31. The pull rod member 33 is movably connected to the turntable member 32 and is used to drive the turntable member 32 to rotate so as to drive the plurality of movable members 22 to move synchronously.

[0089] In this way, by setting the specific structure of the turntable assembly 30, the pull rod member 33 can provide a rotational driving force for the turntable member 32, so that the turntable member 32 can stably push the multiple movable members 22 to move synchronously through the groove walls of the multiple inclined grooves 31, thereby ensuring that the multiple input members 21 extend out of the guide groove 12 or retract into the guide groove 12 at the same time, ensuring that the molding mechanism 100 accurately forms multiple geometric holes on the surrounding side of the product, thereby improving the molding accuracy.

[0090] Please continue reading Figure 7 In some embodiments, the turntable member 32 includes a turntable body 321 and a connecting body 322. A plurality of inclined slots 31 are provided on the turntable member 32, and the connecting body 322 is convexly disposed on the circumference of the turntable body 321 in a direction perpendicular to the mold opening direction and is movably connected to the pull rod member 33.

[0091] In this way, by setting the specific structure of the above-mentioned turntable member 32, the layout of the turntable member 32 can be reasonable, avoiding interference between the turntable member 32 and other components during rotation, which is conducive to maintaining the normal movement of the turntable member 32.

[0092] See also Figure 4 and Figure 7 In some embodiments, the turntable body 321 is provided with a receiving groove 3211, and the receiving groove 3211 penetrates the turntable body 321 along the mold opening direction. The receiving groove 3211 is used to receive the clamping member 42 to avoid the clamping member 42 when the mold is closed.

[0093] In this way, by setting the above-mentioned receiving groove 3211, the receiving groove 3211 can provide a sufficiently large avoidance space for multiple clamping parts 42, so that the receiving groove 3211 can accommodate multiple clamping parts 42 during mold closing, so that the turntable part 32 can avoid the multiple clamping parts 42 and prevent interference between the clamping parts 42 and the turntable part 32, thereby ensuring the normal operation of the clamping assembly 40 and the turntable assembly 30.

[0094] See also Figure 7 In some embodiments, the connecting body 322 is provided with a receiving groove 3221, and the receiving groove 3221 penetrates the connecting body 322 along the mold opening direction. The pull rod member 33 includes a linkage body 331 and a pull rod body 332, the linkage body 331 is movably provided in the receiving groove 3221 along the mold opening direction and is in clearance fit with the receiving groove 3221, and the pull rod body 332 is connected to the linkage body 331, and is used to drive the linkage body 331 to move in the receiving groove 3221 to drive the turntable body 321 to rotate.

[0095] In this way, by setting the clearance fit between the linkage body 331 and the receiving groove 3221, the receiving groove 3221 can provide a movable space for the linkage body 331, so that the linkage body 331 can move linearly in the receiving groove 3221 and push against the groove wall of the receiving groove 3221, thereby transmitting power to the connecting body 322, and then the connecting body 322 drives the turntable body 321 to rotate, thereby realizing the conversion of linear motion into rotational motion.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application and are not intended to limit it. Although the present application has been described in detail with reference to the preferred embodiments, a person of ordinary skill in the art should understand that the technical solution of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present application.

Claims

1. A molding mechanism, applied to a molding die provided with a male mold mechanism and a female mold mechanism that are opened and matched, characterized in that: include: At least two groups of molding components are slidably arranged on the side of the male mold mechanism facing the female mold mechanism and are surrounded to form a circular groove when the mold is closed. Each group of molding components is provided with a plurality of guide grooves and a plurality of limit grooves. The plurality of guide grooves are arranged at intervals along the circumference of the circular groove and are opened on the groove wall of the circular groove. The extension directions of two adjacent guide grooves intersect. The plurality of limit grooves are arranged in one-to-one correspondence with the plurality of guide grooves and are opened on the groove wall of the corresponding guide groove away from the female mold mechanism. The extension direction of each limit groove is parallel to the extension direction of the corresponding guide groove. A plurality of entry subassemblies are arranged one by one corresponding to the plurality of guide grooves and each comprises an entry subassembly and a movable part, wherein the entry subassembly is movably inserted into the corresponding guide groove, and one end of the movable part is movably inserted into the corresponding limit groove and connected to the entry subassembly; A turntable assembly is arranged on a side of the molding assembly away from the mother mold mechanism and is provided with a plurality of inclined grooves corresponding to the plurality of guide grooves. The plurality of inclined grooves are arranged at equal intervals along the circumference of the turntable assembly, and the extension direction of each inclined groove is inclined to the extension direction of the corresponding limiting groove. The plurality of inclined grooves respectively accommodate the corresponding movable parts. When the mold is closed, the turntable assembly rotates in a preset direction and pushes the corresponding movable parts through the groove walls of the multiple inclined grooves, so that the movable parts drive the corresponding input parts to extend out of the guide groove under the limitation of the corresponding limit grooves, so as to cooperate with the molding assembly, the male mold mechanism and the female mold mechanism to form a molding cavity of the injection molded product, and form a geometric hole on the circumference of the product; when the mold is opened, the turntable assembly rotates in a direction opposite to the preset direction and pushes the corresponding movable parts through the groove walls of the multiple inclined grooves, so that the movable parts drive the corresponding input parts to retract into the guide groove under the limitation of the corresponding limit grooves, so that the input parts are separated from the geometric holes of the product, and at least two groups of the molding assemblies drive the retracted input parts to separate from the molded product.

2. The forming mechanism according to claim 1, characterized in that: Each group of molding components includes: An arc-shaped forming member is slidably arranged on the male mold mechanism and is provided with a plurality of the guide grooves and a plurality of the limit grooves, and the arc-shaped forming member is used to surround and form the circular groove when the mold is closed; A driving member is connected to the arc-shaped forming member, and is used to drive the arc-shaped forming member to move in a direction perpendicular to the mold opening direction, so as to drive the arc-shaped forming member to cooperate with the male mold mechanism, the female mold mechanism and the insert member to form the molding cavity when the mold is closed, or to drive the arc-shaped forming member to drive the insert member retracted into the guide groove to separate from the product when the mold is opened.

3. The forming mechanism according to claim 1, characterized in that: The input component comprises: An insert body is movably arranged in the corresponding guide groove and connected to the corresponding movable member; A plurality of forming bodies are arranged at intervals along the mold opening direction and are all connected to the insert body. When the mold is closed, the plurality of forming bodies are driven by the insert body and extend out of the guide groove at the same time to form a plurality of geometric holes of the product along the mold opening direction.

4. The forming mechanism according to claim 3, characterized in that: The cross-sectional area of ​​the insert body along the mold opening direction is greater than the cross-sectional area of ​​the forming body along the mold opening direction.

5. The forming mechanism according to claim 3, characterized in that: Each of the guide grooves and each of the inserting bodies is provided with a avoiding groove and a clamping groove on one side facing the rotating disk assembly; The molding mechanism also includes a clamping assembly, which includes a linkage member and a plurality of clamping members. The linkage member and the turntable assembly are arranged on the same side of the molding assembly. The plurality of clamping members correspond to the plurality of guide grooves one by one and are arranged on the linkage member at circumferential intervals. The plurality of clamping members are used to pass through the corresponding avoidance grooves and enter the corresponding clamping grooves under the drive of the linkage member when the mold is closed, so as to clamp the corresponding insert body.

6. The forming mechanism according to claim 5, characterized in that: The turntable assembly comprises: A turntable, arranged on a side of the molding assembly away from the mother mold mechanism, and provided with a plurality of the inclined grooves; The pull rod member is movably connected to the turntable member and is used to drive the turntable member to rotate so as to drive the multiple movable members to move synchronously.

7. The forming mechanism according to claim 6, characterized in that: The turntable member comprises: A turntable body, wherein a plurality of the inclined slots are provided on the turntable member; The connecting body is protruded on the peripheral side of the turntable body along the vertical direction of the mold opening direction and is movably connected with the pull rod.

8. The forming mechanism according to claim 7, characterized in that: The turntable body is provided with a receiving groove, and the receiving groove penetrates the turntable body along the mold opening direction. The receiving groove is used to receive the plurality of the clamping members to avoid the plurality of the clamping members when the mold is closed.

9. The forming mechanism according to claim 7, characterized in that: The connector is provided with a receiving groove, and the receiving groove penetrates the connector along the mold opening direction; The pull rod member includes a linkage body and a pull rod body. The linkage body is movably arranged in the accommodating groove along the mold opening direction and is gap-matched with the accommodating groove. The pull rod body is connected to the linkage body to drive the linkage body to move in the accommodating groove to drive the turntable body to rotate.

10. A molding device, characterized in that: include: The forming mechanism according to any one of claims 1 to 9; and The molding die comprises a male mold mechanism and a female mold mechanism which are matched with each other. The molding mechanism is arranged on a side of the male mold mechanism facing the female mold mechanism.

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