Inner ring thread demolding mechanism of softener cover liquid pouring cover injection mold

Abstract

The utility model provides an inner ring thread demolding mechanism of a softener cover liquid pouring cover injection mold, which comprises a fixed mold assembly and a movable mold assembly, the fixed mold assembly comprises a first insert fixing plate, a fixed mold plate and the like, the first insert fixing plate is connected with a plurality of fixed mold inserts penetrating through the fixed mold plate, and the movable mold assembly comprises a second insert fixing plate, a movable mold plate and the like. The second insert fixing plate is connected with a plurality of movable mold inserts, when the mold is closed, a mold cavity for forming a cover body is formed among the movable mold plate, the fixed mold plate, the fixed mold inserts and the movable mold inserts, and a first demolding assembly is arranged in the fixed mold assembly. Rotary demolding of the threads of the inner ring of the liquid pouring cover is achieved through the first demolding assembly. In the mold opening process, the second forming insert is pulled downwards and rotates relative to the first forming insert, the threads of the inner ring of the cover body are naturally separated from the mold through rotation inertia, the problem of cover body deformation caused by direct pulling of a traditional injection mold is solved, and therefore the appearance quality and the use performance of a product are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a soft agent cover liquid cover injection mold's inner circle thread demolding mechanism. BACKGROUND

[0002] With the wide application of plastic products in daily life, injection molding technology has become one of the main processes for manufacturing plastic products due to its high efficiency, flexibility and low cost. As a common plastic product, the structure of the soft agent liquid cover usually includes an inner circle thread and an outer circle thread (see Figures 10 to 11 ), which are used for sealing connection with the protective cover and the soft agent bottle respectively. However, due to the complex thread structure of the soft agent liquid cover, the following problems often occur during the traditional injection mold demolding process:

[0003] Firstly, the traditional injection mold usually adopts a direct pulling method to take out the molded cover body from the mold during demolding. Since the inner and outer thread structures of the cover body are tightly matched with the mold insert, forcibly pulling can easily cause the cover body to deform, affecting the appearance and performance of the product. Secondly, the thread part is the key functional area of the soft agent liquid cover, and its precision and integrity directly affect the sealing and assembly performance of the product. However, the traditional demolding method is prone to thread surface damage due to friction or jamming during thread separation, and even breakage, thereby reducing product quality. In addition, the demolding process of the traditional injection mold usually requires manual intervention, such as manual adjustment of mold parts or handling of jamming problems, which not only increases the workload of the operators, but also prolongs the production cycle and reduces the overall production efficiency. Furthermore, frequent friction and jamming can accelerate the wear of the mold parts, shorten the service life of the mold, and increase the cost of maintenance and replacement of the mold.

[0004] In order to solve the above problems, some improvements have been proposed in the prior art. For example, some thread molds adopt a rotating demolding mechanism, which rotates the thread insert to gradually separate the thread from the cover body. These improvements to some extent reduce the risk of thread damage, but the complexity of the rotating mechanism of the thread mold under the prior art is high, and the existing rotating demolding mechanism usually needs complex mechanical transmission parts (such as gear sets, chains, hydraulic or pneumatic driving devices) to realize the rotating movement of the thread insert. The design and manufacture of these parts require high precision and accurate cooperation. The synchronization between the driving mechanism and the driven mechanism is difficult to guarantee, and the phenomenon of jamming or deviation is easy to occur. SUMMARY

[0005] The utility model aims at providing an injection mold demolding mechanism that can efficiently and non-destructively complete the demolding of the inner circle thread of the soft agent liquid cover, and solves the problems of easy deformation and thread damage during the demolding of the soft agent liquid cover injection molding in the prior art.

[0006] The utility model discloses a following technical scheme is realized:

[0007] A kind of inner circle thread demolding mechanism of conditioner cap liquid pouring cap injection mold, including fixed mould assembly and movable mould assembly, the fixed mould assembly includes the fixed mould seat plate, hot runner plate, first insert fixed plate, fixed mould plate sequentially connected from top to bottom, the first insert fixed plate is connected with multiple fixed mould inserts passing through fixed mould plate, the movable mould assembly includes movable mould seat plate, second insert fixed plate, ejector pin plate, support plate, push plate and movable mould plate sequentially connected from bottom to top, the second insert fixed plate is connected with multiple movable mould inserts passing through the ejector pin plate, push plate and movable mould plate, when mould closes, the movable mould plate, the fixed mould plate, the fixed mould insert and the movable mould insert are formed with the cavity for cap body forming between, first demolding assembly is equipped in the fixed mould assembly, and the first demolding assembly can be movably connected with the fixed mould insert and cooperate to make the cap body inner circle thread demolding.

[0008] As above, a kind of inner circle thread demolding mechanism of conditioner cap liquid pouring cap injection mold, the fixed mould insert includes the first forming insert with one end and the first insert fixed plate fixed connection, the other end of the first forming insert can pass through the fixed mould plate, second forming insert is movably connected on the outer periphery of the first forming insert, the lower part of the second forming insert is annularly equipped with the first screw groove for the thread forming of cap body inner circle.

[0009] As above, a kind of inner circle thread demolding mechanism of conditioner cap liquid pouring cap injection mold, the first demolding assembly includes movable plate movably arranged in the first insert fixed plate, multiple bearing groups corresponding to each fixed mould insert are fixed in the movable plate, the second forming insert is sleeved with the bearing group, the second forming insert penetrates the movable plate, when mould opens, cap body inner circle thread drives the second forming insert to pull down and rotate relative to the first forming insert, until the second forming insert is separated from cap body by rotation inertia.

[0010] As above, a kind of inner circle thread demolding mechanism of conditioner cap liquid pouring cap injection mold, the bearing group includes the first bearing and the second bearing that are sleeved on the outer periphery of the second forming insert, the outer periphery of the second forming insert is annularly equipped with limiting protrusion, the limiting protrusion is clamped between the first bearing and the second bearing.

[0011] As above, a kind of inner circle thread demolding mechanism of conditioner cap liquid pouring cap injection mold, the movable plate includes upper floating plate, the lower floating plate is fixedly connected to the bottom of the upper floating plate, the planar bearing is fixed in the upper floating plate, the second bearing is fixed in the lower floating plate.

[0012] The inner circle thread demolding mechanism of the liquid pouring cap injection mold of the conditioner cap as described above, the first demolding assembly includes a boosting device arranged on the upper part of the movable plate, when the mold is opened, the boosting device makes the movable plate have a tendency to move away from the fixed mold base plate.

[0013] The inner circle thread demolding mechanism of the liquid pouring cap injection mold of the conditioner cap as described above, the boosting device includes a plurality of first elastic members uniformly arranged on both sides of the upper part of the movable plate, the upper part of the movable plate and the lower part of the fixed mold base plate are respectively provided with a first mounting groove and a second mounting groove, the first elastic members pass through the hot runner plate and the first insert fixing plate, and the two ends of the first elastic members are arranged in the first mounting groove and the second mounting groove respectively.

[0014] The inner circle thread demolding mechanism of the liquid pouring cap injection mold of the conditioner cap as described above, the lower part of the movable plate is further provided with a reset device, when the mold is closed, the reset device makes the movable plate move away from the movable die assembly, and when the movable plate is reset, the upper end of the movable plate abuts against the first insert fixing plate.

[0015] The inner circle thread demolding mechanism of the liquid pouring cap injection mold of the conditioner cap as described above, the reset device includes a plurality of return rods uniformly arranged on the lower part of the movable plate, a plurality of through holes corresponding to the return rods and passing through the return rods are formed on the fixed mold plate, when the mold is closed, the lower end of the return rod abuts against the upper end of the movable mold plate.

[0016] The inner circle thread demolding mechanism of the liquid pouring cap injection mold of the conditioner cap as described above, a plurality of guide mechanisms for limiting the opening and closing stroke are arranged between the fixed mold assembly and the movable mold assembly.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1、The first demolding assembly is used for realizing the rotary demolding of the inner circle thread of the liquid pouring cap, in the opening process, the second forming insert is pulled down and rotates relative to the first forming insert, the cap inner circle thread is separated from the mold by using the rotary inertia, the deformation problem of the cap caused by the direct pulling of the traditional injection mold is avoided, and therefore the appearance quality and use performance of the product are improved significantly.

[0019] 2、The first bearing and the second bearing are sleeved on the outer periphery of the second forming insert through the bearing set, and the position is fixed through the limiting protrusion, the friction is effectively reduced, the boosting device provides stable power for the demolding process, the wear of the thread surface is reduced, the precision and integrity of the thread are ensured, and therefore the sealing performance and assembly performance of the product are improved.

[0020] 3. The rotating demolding mechanism in the prior art usually relies on complex mechanical transmission components, which has complex structure and high maintenance cost. The application utilizes the rotation inertia of the pouring cap under tension and thread cooperation when the mold is opened to realize adaptive rotating demolding, without the need of additional power source; at the same time, the reset device automatically completes the reset of the movable plate, greatly simplifying the demolding mechanism design, reducing manual intervention, significantly improving production efficiency and reducing maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced below.

[0022] Figure 1 is a schematic diagram of the three-dimensional structure of the embodiment;

[0023] Figure 2 is a top view of the embodiment;

[0024] Figure 3 is Figure 2 is a sectional view along the line A-A;

[0025] Figure 4 is Figure 2 is a sectional view along the line B-B;

[0026] Figure 5 is Figure 2 is a sectional view along the line C-C;

[0027] Figure 6 is Figure 2 is a sectional view along the line D-D;

[0028] Figure 7 is Figure 2 is a sectional view along the line E-E;

[0029] Figure 8 is Figure 5 is an enlarged schematic view at F;

[0030] Figure 9 is a schematic diagram of the internal three-dimensional structure of the embodiment;

[0031] Figure 10 is a schematic diagram of the structure of the softener pouring cap corresponding to the production application of the embodiment;

[0032] Figure 11 is a sectional view of the softener pouring cap corresponding to the production application of the embodiment. DETAILED DESCRIPTION

[0033] In order to make the technical problems and beneficial effects of the technical solutions of the present application clearer, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0034] The conditioner pouring cover is a common plastic product, please refer to Figures 10 to 11 The structure generally includes an inner thread and an outer thread, the outer thread is used for sealing connection with the conditioner bottle, and the inner thread is used for connection with the additional protective cover. For the injection molding of the conditioner pouring cover, the traditional injection mold is prone to product deformation, thread damage and other problems during demolding due to the complexity of the thread structure of the cover body, which affects the quality and production efficiency of the product. In order to solve the above problems, the embodiment provides a demolding mechanism for an injection mold of a conditioner pouring cover, which realizes efficient and non-destructive demolding of the inner thread and the outer thread of the cover body.

[0035] Please refer to Figures 1 to 9 A demolding mechanism for an injection mold of a conditioner pouring cover, comprising a fixed mold assembly and a movable mold assembly, the fixed mold assembly comprises a fixed mold base plate 1, a hot runner plate 2, a first insert fixing plate 3, and a fixed mold plate 4 connected in sequence from top to bottom, the first insert fixing plate 3 is connected with a plurality of fixed mold inserts 5 passing through the fixed mold plate 4, the movable mold assembly comprises a movable mold base plate 6, a second insert fixing plate 7, a ejector plate 8, a support plate 9, a push plate 10, and a movable mold plate 11 connected in sequence from bottom to top, the second insert fixing plate 7 is connected with a plurality of movable mold inserts 12 passing through the ejector plate 8, the push plate 10, and the movable mold plate 11, when the mold is closed, a mold cavity 13 for forming the cover body is formed between the movable mold plate 11, the fixed mold plate 4, the fixed mold insert 5 and the movable mold insert 12, a first demolding assembly 14 is arranged in the fixed mold assembly and can be movably connected with the fixed mold insert 5 and cooperate to demold the inner thread of the cover body, and a second demolding assembly 15 is arranged between the movable mold assembly and the fixed mold assembly and can be movably connected with the movable mold insert 12 and cooperate to demold the outer thread of the cover body.

[0036] In the present embodiment, the fixed die assembly comprises, from top to bottom, a fixed die base plate 1, a hot runner plate 2, a first insert fixing plate 3, and a fixed die plate 4. The first insert fixing plate 3 is connected with a plurality of fixed die inserts 5 that pass through the fixed die plate 4, and these fixed die inserts 5 are used to form the inner ring threaded portion of the cap. The movable die assembly comprises, from bottom to top, a movable die base plate 6, a second insert fixing plate 7, a ejector plate 8, a support plate 9, a push plate 10, and a movable die plate 11. The second insert fixing plate 7 is connected with a plurality of movable die inserts 12 that pass through the ejector plate 8, the push plate 10, and the movable die plate 11, and these movable die inserts 12 are used to form the outer side threaded portion and other non-threaded portions of the cap. When the mold is closed, the movable die plate 11, the fixed die plate 4, the fixed die inserts 5, and the movable die inserts 12 are tightly fitted to form a mold cavity 13 for the molding of the cap.

[0037] A first demolding assembly 14 is arranged in the fixed die assembly, and the first demolding assembly 14 is movably connected with the fixed die inserts 5. During the demolding process, the first demolding assembly 14 can move relative to the fixed die inserts 5, thereby cooperating to smoothly demold the inner ring threaded portion of the cap. This design avoids damage to the threads caused by directly pulling the cap. Correspondingly, a second demolding assembly 15 is arranged between the movable die assembly and the fixed die assembly, and the second demolding assembly 15 is also movably connected with the movable die inserts 12. During the demolding process, the second demolding assembly 15 can move relative to the movable die inserts 12, thereby cooperating to smoothly demold the outer side threaded portion of the cap. Similarly, this design also avoids the problem of thread damage. Through the cooperative action of the first demolding assembly and the second demolding assembly, efficient demolding of the inner and outer threads of the compliant agent pouring cap is achieved, greatly improving production efficiency.

[0038] Further, as a preferred embodiment of the present solution but not as a limitation, the fixed die insert 5 comprises a first molding insert 51 fixedly connected at one end with the first insert fixing plate 3, the other end of the first molding insert 51 can pass through the fixed die plate 4, a second molding insert 52 is rotatably connected at the outer periphery of the first molding insert 51, and the lower part of the second molding insert 52 is provided with a first thread groove 521 for molding the inner ring thread of the cap.

[0039] In the present embodiment, the first molding insert 51 is the main part of the fixed die insert 5, and one end thereof is fixedly connected with the first insert fixing plate 3 through fasteners or other connection methods, ensuring stable position during the injection molding process. The other end of the first molding insert 51 is designed to pass through the fixed die plate 4, so as to cooperate with the movable die insert 12 to form the mold cavity 13 when the mold is closed. The second molding insert 52 is movably connected with the first molding insert 51, more specifically, the upper part of the first molding insert 51 is designed as a screw rod structure, and the second molding insert 52 has a matching screw sleeve structure. This design allows the second molding insert 52 to perform screw lifting motion relative to the first molding insert 51.

[0040] In the lower part of the second forming insert 52, a first thread groove 521 is arranged for forming the inner thread of the cap. The size and shape of the thread groove 521 should match the design of the inner thread of the conditioner pouring cap to ensure the accuracy and integrity of the thread after injection molding. During the injection molding process, the molten plastic is injected into the mold cavity 13 formed by the movable mold assembly and the fixed mold assembly. At this time, the second forming insert 52 is tightly fitted with the first forming insert 51 to form the thread forming part of the inner thread of the cap. When the injection is completed, the mold begins to open. At this time, the first demolding assembly 14 begins to act, which can be a driving mechanism such as a cylinder, hydraulic cylinder, etc. connected to the second forming insert 52. The driving mechanism pushes the second forming insert 52 to move spirally relative to the first forming insert 51, thereby gradually loosening the connection with the inner thread part of the formed cap. With the spiral lifting of the second forming insert 52, the inner thread part of the cap is smoothly demolded, and at the same time, the second demolding assembly 15 in the movable mold assembly begins to act, pushing the movable mold insert 12 to move relative to the outer thread part of the cap to achieve the demolding of the outer thread. Finally, when the mold is completely opened, the formed conditioner pouring cap can be taken out of the mold. The spiral connection structure between the second forming insert 52 and the first forming insert 51 enables the demolding mechanism in this embodiment to separate the inner and outer thread parts of the cap more smoothly and uniformly, reducing the damage and deformation that may occur during demolding and improving the product quality.

[0041] Further, as a preferred embodiment of the present scheme but not limited, the first demolding assembly 14 includes a movable plate 141 movably arranged in the first insert fixing plate 3, a plurality of bearing groups 142 corresponding to each of the fixed mold inserts 5 are fixedly arranged in the movable plate 141, the second forming insert 52 is sleeved with the bearing groups 142, and the second forming insert 52 penetrates through the movable plate 141. When the mold is opened, the inner thread of the cap pulls down the second forming insert 52 and rotates relative to the first forming insert 51 until the second forming insert 52 is separated from the cap by rotational inertia.

[0042] In this embodiment, the first insert fixing plate 3 has a movable space for the lifting displacement of the movable plate 141, providing a movable space and basis for the subsequent demolding action, so that the demolding mechanism can flexibly realize the corresponding function. A plurality of bearing groups 142 are fixedly arranged in the movable plate 141, and these bearing groups 142 are one-to-one corresponding to each fixed mold insert 5. The bearing group 142 can be composed of one or more bearings, and its main function is to reduce friction and ensure that the second forming insert 52 can rotate smoothly. This one-to-one correspondence design ensures that each fixed mold insert 5 corresponding to the second forming insert 52 can be stably supported and have good rotation conditions, which is beneficial to improve the stability and reliability of the entire demolding process. Each bearing group 142 is sleeved and fixed with the corresponding second forming insert 52, and the second forming insert 52 penetrates the movable plate 141. This sleeving and penetrating connection mode forms an organic whole between the second forming insert 52, the bearing group 142 and the movable plate 141, more specifically, the bearing group 142 provides rotary support for the second forming insert 52, and the movable plate 141 limits the movement direction of the second forming insert 52 to a certain extent, ensuring that it performs the downward pulling and rotating action on a specific track.

[0043] When the mold starts to open, the fixed mold assembly and the movable mold assembly gradually separate. Since the inside thread of the cover is formed by the first screw groove 521 on the second forming insert 52 during the injection molding process, the cover is tightly fitted with the second forming insert 52. At this time, the movement of the cover will drive the second forming insert 52 fitted therewith to have a downward pulling trend. In the process of the cover pulling down the second forming insert 52, since the second forming insert 52 is rotationally connected with the first forming insert 51, and the spiral shape of the inside thread determines that rotation will inevitably occur when pulling down. The existence of the bearing group 142 greatly reduces the friction when the second forming insert 52 rotates, so that the second forming insert 52 can rotate smoothly relative to the first forming insert 51. With the continuous opening of the mold, the second forming insert 52 is constantly pulled down and rotated. When a certain degree is reached, by using the rotational inertia, the second forming insert 52 will be separated from the cover, thereby completing the demolding process of the inside thread of the cover. The rotational inertia plays a key role here, which helps the second forming insert 52 to completely come out of the inside thread of the cover, avoids the jamming between the threads, and ensures the smooth demolding. Through the cooperation of the movable plate 141, the bearing group 142 and the second forming insert 52, the first demolding assembly ingeniously utilizes the movement of the cover when the mold is opened, realizes the automatic demolding of the inside thread of the cover. This design not only improves the demolding efficiency and reduces manual intervention, but also effectively avoids the demolding damage caused by improper manual operation, ensuring the quality of the product and the stability of the production.

[0044] Further, as a preferred embodiment of the present solution but not limited, the bearing set 142 comprises a first bearing 1421 and a second bearing 1422 sleeved on the outer periphery of the second forming insert 52, the outer periphery of the second forming insert 52 is provided with a limiting protrusion 522, and the limiting protrusion 522 is clamped between the plane bearing and the deep groove bearing.

[0045] Preferably, the first bearing 1421 is a plane bearing sleeved on the outer periphery of the second forming insert 52, which mainly bears axial load to adapt to the axial tension that may be generated during the demolding process of the second forming insert 52, and ensures the stable movement of the second forming insert 52 in the axial direction. During the process of pulling down the second forming insert 52 by the cover, the plane bearing can effectively support and guide the axial movement, reduce the axial friction and shaking.

[0046] Preferably, the second bearing 1422 is a deep groove bearing also sleeved on the outer periphery of the second forming insert 52. The deep groove bearing is mainly used to bear radial load, and can also bear certain axial load. When the second forming insert 52 rotates relative to the first forming insert 51, the deep groove bearing can ensure the stability of the second forming insert 52 in the radial direction, make the rotation more smooth, reduce the deviation and jamming phenomenon caused by radial force, and ensure that the second forming insert 52 can rotate accurately according to the predetermined track.

[0047] In the present embodiment, the limiting protrusion 522 plays the role of accurately limiting the relative position of the plane bearing and the deep groove bearing. It can prevent the axial movement of the plane bearing and the deep groove bearing during the movement of the second forming insert 52, and ensure that the two bearings always maintain the correct relative positional relationship, thereby ensuring the stability and reliability of the entire bearing set. At the same time, the limiting protrusion 522 can also share the axial and radial load to a certain extent, further enhancing the stability of the movement of the second forming insert 52. Through the bearing set structure composed of the plane bearing, the deep groove bearing and the limiting protrusion 522, the second forming insert 52 can be provided with all-round support and stable movement conditions. During the thread demolding process inside the cover, it can not only effectively bear the axial pulling force to ensure the smooth pulling down of the second forming insert 52, but also ensure the radial stability during the rotation of the second forming insert 52, so that the second forming insert 52 can rotate flexibly and smoothly relative to the first forming insert 51.

[0048] Further, as a preferred embodiment of the present solution but not limited, the movable plate 141 comprises an upper floating plate 1411, the bottom of the upper floating plate 1411 is fixedly connected with a lower floating plate 1412, the plane bearing 1421 is fixedly arranged in the upper floating plate 1411, and the deep groove bearing 1422 is fixedly arranged in the lower floating plate 1412.

[0049] In the present embodiment, the movable plate is designed in a layered manner, consisting of an upper floating plate 1411 and a lower floating plate 1412. The upper floating plate 1411 is located at the upper part, and the lower floating plate 1412 is fixedly connected to the bottom of the upper floating plate 1411. This layered design makes it more convenient to install and maintain the bearings. If a certain bearing has a problem, such as wear or damage, only the corresponding upper floating plate or lower floating plate needs to be operated, without the need for large-scale disassembly of the entire movable plate, reducing the difficulty and cost of maintenance.

[0050] Further, as a preferred embodiment of the present application but not limited, the first stripping assembly 14 includes a boosting device 143 arranged on the upper part of the movable plate 141. When the mold is opened, the boosting device 143 makes the movable plate 141 have a tendency to move away from the fixed mold base plate 1.

[0051] In the present embodiment, the boosting device 143 is a key component arranged on the upper part of the movable plate 141. Its main function is to provide a pushing force for the movable plate 141 away from the fixed mold base plate 1 when the mold is opened, which helps to speed up the separation process of the movable plate 141 and the second forming insert 52 and the cover, thereby improving the stripping efficiency and reliability.

[0052] Specifically, the boosting device 143 can be one or more cylinders, hydraulic cylinders, springs or other mechanical devices that can provide a pushing force. These devices are precisely installed on the upper part of the movable plate 141. The boosting device 143 rapidly generates a pushing force to push the movable plate 141 and the second forming insert 52 on it to move downward and away from the fixed mold base plate 1.

[0053] Further, as a preferred embodiment of the present application but not limited, the boosting device 143 includes a plurality of first elastic members 1431 arranged uniformly on both sides of the upper part of the movable plate 141. The upper part of the movable plate 141 and the lower part of the fixed mold base plate 1 are respectively provided with a first mounting groove 1432 and a second mounting groove 1433. The first elastic members 1431 pass through the hot runner plate 2 and the first insert fixed plate 3, and their two ends are respectively arranged in the first mounting groove 1432 and the second mounting groove 1433.

[0054] In this embodiment, the first elastic member 1431 is the core component of the boosting device 143, which is used to provide a pushing force for the movable plate 141 away from the fixed die seat plate 1. The first elastic member 1431 is preferably a spring, which can provide a stable pushing force and is easy to install and maintain. The first mounting slot 1432 is a slot provided on the upper part of the movable plate 141 for mounting one end of the first elastic member 1431. The shape and size of these slots are matched with those of the first elastic member 1431 to ensure that the first elastic member 1431 can be firmly mounted on the movable plate 141. Similarly, the second mounting slot 1433 is a slot provided on the lower part of the fixed die seat plate 1 for mounting the other end of the first elastic member 1431. Like the first mounting slot 1432, these slots are also matched with the shape and size of the first elastic member 1431. When the mold is in a closed state, the first elastic member 1431 is compressed and stores energy. When the mold is opened, the first elastic member 1431 releases the stored energy and pushes the movable plate 141 to move downward, thereby accelerating the demolding process.

[0055] In order to ensure that the first elastic member 1431 can smoothly pass through each component of the mold, corresponding through holes or channels are also designed on the hot runner plate 2 and the first insert fixing plate 3. The size and position of these through holes or channels need to be matched with those of the first elastic member 1431 to ensure that the first elastic member 1431 can smoothly pass through and be fixed in the first mounting slot 1432 and the second mounting slot 1433.

[0056] Further, as a preferred embodiment of the present solution but not limited, the lower part of the movable plate 141 is also provided with a reset device 144, which makes the movable plate 141 move away from the movable die assembly when the mold is closed, and the upper end of the movable plate 141 abuts against the first insert fixing plate 3 when it is reset.

[0057] In this embodiment, the reset device 144 is arranged on the lower part of the movable plate 141, which mainly functions to provide a pushing force for the movable plate 141 away from the movable die assembly when the mold is closed, ensuring that the movable plate 141 can be accurately reset to the initial position. The reset device 144 can be one or more cylinders, hydraulic cylinders, springs or other mechanical devices that can provide a pushing force. These devices are precisely installed on the lower part of the movable plate 141 to ensure that the movable plate 141 can be accurately reset to the initial position when the mold is closed. This provides stable conditions for the next injection molding process, ensuring the quality of the product and the production efficiency.

[0058] Preferably, the reset device 144 includes a plurality of return rods arranged uniformly on the lower part of the movable plate 141, and the fixed die plate 4 is provided with a plurality of through holes corresponding to the return rods for the return rods to pass through. When the mold is closed, the lower end of the return rod abuts against the upper end of the movable die plate.

[0059] In this embodiment, the reset device 144 is composed of a plurality of return rods evenly arranged at the lower part of the movable plate 141. These return rods serve as the core component of the reset device 144, responsible for pushing the movable plate 141 back into position when the mold is closed. In order to ensure that the return rods can smoothly pass through each component of the mold, the fixed mold plate 4 needs to be designed with through holes that match the number, position, and size of the return rods. These through holes allow the return rods to move freely during the mold opening and closing process without being hindered.

[0060] In actual production, after the mold is opened and the demolding process is completed, the movable plate 141 and the second molding insert 52 on it are in the lower position of the fixed mold assembly mold. At this time, each component of the mold begins to prepare for closing. As the mold gradually closes, the movable mold plate 11 begins to move upwards. When the upper end of the movable mold plate 11 gradually approaches the lower end of the return rod, the return rod begins to be pushed upwards by the movable mold plate 11.

[0061] This pushing force is transmitted to the movable plate 141 through the return rod, pushing the movable plate 141 and the second molding insert 52 on it to move upwards. At the same time, the upper end of the movable plate 141 gradually approaches the first insert fixing plate 3. When the movable mold plate is completely closed in place, the lower end of the return rod tightly abuts the upper end of the movable mold plate. At this time, the movable plate 141 is also accurately reset to the initial position, with its upper end tightly abutting the first insert fixing plate 3. After the mold is completely closed, the injection molding machine begins to inject molten plastic material. The plastic material fills the mold cavity and forms the final product of the flexible agent pouring cover after cooling.

[0062] Further, as a preferred embodiment of the present solution, but not limited, the movable mold insert 12 comprises a third molding insert 121 fixed at one end of the second insert fixing plate 7, the other end of the third molding insert 121 can pass through the ejector plate 8, the support plate 9, the push plate 10, the movable mold plate 11 and extend into the mold cavity 13, the third molding insert 121 is sleeved with a fourth molding insert 122 at the periphery, one end of the fourth molding insert 122 is fixed to the second insert fixing plate 7 and the other end can pass through the ejector plate 8, the support plate 9, the push plate 10, the movable mold plate 11 and extend into the mold cavity 13, and is used to cooperate with the fixed mold insert 5 to form the inner thread of the cover body, the fourth molding insert 122 is rotatably connected with a fifth molding insert 123 at the periphery, the lower part of the fifth molding insert 123 is connected with the second demolding assembly 15, and the upper end thereof can pass through the ejector plate 8, the support plate 9, the push plate 10, the movable mold plate 11 and extend into the mold cavity 13, and a second thread groove 1231 for forming the outer thread of the cover body is arranged at the upper part of the fifth molding insert 123.

[0063] In the present embodiment, the second demolding assembly 15 connected to the lower part of the fifth forming insert 123 plays a role when the mold is opened. Since the fifth forming insert 123 is rotationally connected to the fourth forming insert 122, the second demolding assembly 15 can drive the fifth forming insert 123 to rotate relative to the fourth forming insert 122, so as to separate the outer thread of the formed cover body from the fifth forming insert 123, and realize the demolding of the outer thread of the cover body. In combination with the first demolding assembly 14 mentioned above to realize the demolding of the inner thread of the cover body, the demolding mechanism of the entire injection mold can complete the demolding process of the lotion cover with the inner and outer thread structure.

[0064] Further, as a preferred embodiment of the present scheme but not limited, the second demolding assembly 15 comprises a driving mechanism 151 located between the fixed mold assembly and the movable mold assembly, the fifth forming insert 123 is provided with a driven mechanism 152 connected with the driving mechanism 151, and a linkage 153 is arranged between any two driven mechanisms 152.

[0065] In the present embodiment, the driving mechanism 151 is located between the fixed mold assembly and the movable mold assembly, and is the power source of the second demolding assembly 15. It can be a hydraulic cylinder, a pneumatic cylinder, an electric cylinder or any mechanism capable of providing linear or rotary motion. The output end of the driving mechanism 151 is designed with a connecting interface for connecting with the driven mechanism 152, so as to transmit power. The driven mechanism 152 is arranged on the fifth forming insert 123 and cooperates with the output end of the driving mechanism 151. Correspondingly, the driven mechanism 152 can be a connecting rod, a connecting sleeve, a gear or any mechanism capable of matching the output end of the driving mechanism 151. The linkage 153 is arranged between any two driven mechanisms 152, and is used to ensure that multiple fifth forming inserts 123 can rotate synchronously. Similarly, the linkage 153 can be a connecting rod, a chain, a gear, a synchronous belt or any mechanism capable of realizing synchronous motion. One end of the linkage 153 is connected with one driven mechanism 152, and the other end is connected with another driven mechanism 152, so as to form a closed-loop synchronous motion system. Through the cooperation of the driving mechanism 151, the driven mechanism 152 and the linkage 153, the second demolding assembly 15 in the present embodiment can accurately control the rotary motion of the fifth forming insert 123, so as to realize the smooth demolding of the outer thread part of the injection molded part. The design of the linkage 153 ensures the synchronous rotation of multiple fifth forming inserts 123, and improves the efficiency and consistency of demolding.

[0066] Further, as a preferred embodiment of the present scheme but not limited, the driving mechanism 151 comprises a screw rod 1511 fixedly connected with the fixed mold assembly at one end and penetrating through the movable mold assembly at the other end, a screw sleeve 1512 matched with the screw rod 1511 is sleeved on the outer periphery of the screw rod 1511, a driving gear ring 1513 capable of being connected with the driven mechanism 152 is annularly arranged on the outer periphery of the screw sleeve 1512, third bearings 1514 fixedly sleeved with the screw sleeve 1512 are respectively arranged on the upper and lower sides of the driving gear ring 1513, the third bearings 1514 are respectively embedded in the ejector plate 8 and the supporting plate 9, when the mold is opened, the screw rod 1511 relatively moves away from the screw sleeve 1512 to rotate the driving gear ring 1513, and drives the driven mechanism 152 to make the fifth forming insert 123 threadedly separated from the inner ring of the cover.

[0067] In the embodiment, the screw rod 1511 is the core component of the driving mechanism 151, which is fixedly connected with the fixed mold assembly at one end and penetrates through the movable mold assembly at the other end. The screw sleeve 1512 is sleeved on the outer periphery of the screw rod 1511 and threadedly matched with the screw rod 1511, when the screw rod 1511 and the screw sleeve 1512 relatively axially move, the relative axial movement is converted into the rotational movement of the screw sleeve 1512. The driving gear ring 1513 is annularly arranged on the outer periphery of the screw sleeve, which is used to connect with the driven mechanism to transmit the rotational movement of the screw sleeve 1512 to the driven mechanism. The driving gear ring 1513 is equivalent to a power output component, which converts the movement between the screw rod 1511 and the screw sleeve 1512 into the power that can drive the driven mechanism 152. The third bearings 1514 fixedly sleeved with the screw sleeve 1512 are respectively arranged on the upper and lower sides of the driving gear ring 1513, and the third bearings 1514 are preferably roller bearings. These roller bearings are embedded in the ejector plate 8 and the supporting plate 9, which play the role of supporting and positioning the screw sleeve, ensure that the screw sleeve 1512 can smoothly rotate, and at the same time, isolate the rotational movement of the screw sleeve 1512 from the ejector plate 8 and the supporting plate 9 to avoid mutual interference, and ensure the stability and reliability of the whole mechanism. Through the cooperation of the screw rod 1511, the screw sleeve 1512, the driving gear ring 1513 and the third bearings 1514, the driving mechanism 151 in the embodiment can accurately control the rotational movement of the fifth forming insert 123, so as to realize the smooth demolding of the threaded part of the outer ring of the injection molded part. The application of the roller bearing effectively reduces the frictional resistance of the driving gear ring 1513 in the rotating process, improves the demolding efficiency and the service life of the mold.

[0068] Further, as a preferred embodiment of the present application, the driven mechanism 152 comprises a driven gear ring 1521 arranged around the fifth forming insert 123, and fourth bearings 1522 are arranged on both sides of the driven gear ring 1521 and fixedly connected with the fifth forming insert 123, and the fourth bearings 1522 are embedded in the ejector plate 8 and the support plate 9 respectively, and the fourth bearings 1522 are preferably deep groove bearings. When the mold is opened, the driving mechanism 151 rotates the driven gear ring 1521, and the fifth forming insert 123 is threadedly separated from the inner ring of the cover body. A linkage 153 is arranged between any two adjacent driven gear rings 1521, and the linkage 153 is preferably a gear matching the teeth of the driven gear ring 1521.

[0069] Specifically, in actual production, when the mold is opened, the screw 1511 in the driving mechanism 151 starts to move linearly relative to the screw sleeve 1512, and the screw sleeve 1512 rotates accordingly. The rotation of the screw sleeve 1512 is transmitted to the driven gear ring 1521 in the driven mechanism 152 through the driving gear ring 1513. After receiving the rotational power transmitted by the driving gear ring 1513, the driven gear ring 1521 starts to rotate around the axis of the fifth forming insert 123. Since the driven gear ring 1521 is fixedly connected with the fifth forming insert 123, and the fifth forming insert 123 is arranged around the fourth forming insert 122 and can rotate relative to the axis thereof, the rotation of the driven gear ring 1521 will drive the fifth forming insert 123 to rotate. The rotation of the fifth forming insert 123 causes the outer threaded portion of the cover body to gradually separate from the second screw groove 1231 on the fifth forming insert 123. At the same time, since the linkage 153 is arranged between any two adjacent driven gear rings 1521, when one driven gear ring 1521 rotates, the other driven gear rings 1521 will also rotate synchronously through the transmission effect of the linkage 153, thereby ensuring the synchronous rotation of multiple fifth forming inserts 123. With the continuous rotation of the fifth forming insert 123, the outer threaded portion of the injection molded part is completely separated from the fifth forming insert 123, and at this time, all the injection molded parts of the cover body can be smoothly taken out.

[0070] Through the cooperation of the driven gear ring 1521 and the fourth bearing 1522, the driven mechanism 152 in the present embodiment can accurately receive the rotational power transmitted by the driving mechanism 151 and drive the fifth forming insert 123 to rotate synchronously. The arrangement of the linkage 153 ensures the synchronous rotation of multiple fifth forming inserts 123, thereby improving the consistency and stability of demolding.

[0071] Further, as a preferred embodiment of the present application but not limited, the movable die insert 12 comprises a sixth forming insert 124 sleeved on the outer periphery of the fifth forming insert 123, the lower end of the sixth forming insert 124 is fixedly arranged on the push plate 10, and the upper end thereof can extend into the mold cavity 13 through the movable die plate 11, a plurality of rotation-stopping tooth grooves 1241 are arranged around the upper end of the sixth forming insert 124, so as to facilitate the rotation-stopping tooth grooves 1241 to be separated from the outer thread of the cover body when the mold is opened.

[0072] In the present embodiment, the movable die insert 12 comprises a sixth forming insert 124 sleeved on the outer periphery of the fifth forming insert 123, and the lower end of the sixth forming insert 124 is fixedly arranged on the push plate 10, which means that the sixth forming insert 124 moves together with the push plate 10 in the closed mold state. In order to solve the problem that the fifth forming insert 123 and the outer thread of the cover body cannot be separated due to the too tight fit between them when the mold is opened, a plurality of rotation-stopping tooth grooves 1241 are arranged around the upper end of the sixth forming insert 124, and the rotation-stopping tooth grooves 1241 are located in the mold cavity 13 in the closed mold state. These rotation-stopping tooth grooves 1241 make the cover body form a protruding structure 100 adapted to the rotation-stopping tooth grooves 1241, thereby providing a non-rotating support point for the fifth forming insert 123 during the mold opening process, preventing the rotation or jamming phenomenon caused by the tight fit of the thread, and ensuring that the fifth forming insert 123 can be smoothly separated from the thread of the cover body when the mold is opened.

[0073] Further, as a preferred embodiment of the present application but not limited, the second demolding assembly 15 comprises an ejection mechanism 154 arranged on the movable die assembly, which ejects the cover body when the fifth forming insert 123 is separated from the outer thread of the cover body.

[0074] In the present embodiment, the ejection mechanism 154 can adopt a common pin type or push plate type structure, and cooperates with other components during the entire demolding process. First, the first demolding assembly 14 completes the demolding of the inner thread of the cover body, and the driving mechanism 151 and the driven mechanism 152 of the second demolding assembly 15 cooperatively realize the demolding of the outer thread of the cover body, and when these demolding actions are completed, the ejection mechanism 154 is timely started to eject the cover body. This cooperative work ensures the continuity and efficiency of the demolding process, ensures that the injection molding production can be smoothly carried out, and avoids the production interruption or product damage caused by the cover body remaining in the mold.

[0075] Specifically, the ejection mechanism 154 includes a plurality of guide rods 1541 fixed on the ejector plate 8, a first movable slot 1542 and a second movable slot 1543 are respectively arranged in the support plate 9 and the push plate 10 and matched with the guide rods 1541, the bottom of the second movable slot 1543 is embedded with a limiting ring 1544, the guide rod 1541 passes through the limiting ring 1544 and cooperates with the limiting ring 1544 to define the movable stroke of the push plate 10, a second elastic member 1545 is arranged in the first movable slot 1542, the second elastic member 1545 is sleeved on the guide rod 1541 and the two ends thereof are respectively abutted against the limiting ring 1544 and the upper end of the ejector plate 8, when the fifth forming insert 123 is threadedly separated from the outer circle of the cover, the second elastic member 1545 drives the push plate 10 to move away from the support plate 9, then the push plate 10 moves away from the movable die plate 11 and makes the stopper tooth groove 1241 of the sixth forming insert 124 separated from the cover, so that the cover is ejected by the upper end of the movable die plate 11.

[0076] In actual production, when the cover is injection molded, the mold starts the mold opening process. When the fifth forming insert 123 is completely separated from the outer circle of the cover, the second elastic member 1545 starts to work, and the elastic potential energy is released to directly act on the bottom of the limiting ring 1544, drive the push plate 10 and the movable die plate 11 to move away from the support plate 9 together, and drive the sixth forming insert 124 to move at the same time. In this process, the stopper tooth groove 1241 on the sixth forming insert 124 gradually separates from the cover, preparing for the ejection of the cover. Since the limiting ring 1544 is embedded in the bottom of the second movable slot 1543 and cooperates with the guide rod 1541 to define the movable stroke of the push plate 10, when the push plate 10 reaches the maximum movable stroke, that is, the limiting ring 1544 abuts against the corresponding limiting end on the upper part of the guide rod 1541, the movable die plate 11 starts to move away from the push plate 10. It should be noted that in the embodiment, the lower edge of the cover is in contact with the upper end surface of the movable die plate 11 during the molding of the cover injection molded part, so as the movable die plate 11 moves away from the push plate 10, the movable die plate 11 drives the cover to separate from the sixth forming insert 124, more specifically, separates the cover from the stopper tooth groove 1241 on the upper end of the sixth forming insert 124 and ejects the cover. In summary, the above-mentioned ejection mechanism 154 cooperates with other structures of the mold to timely and effectively eject the cover after the cover is completely demolded from the inner and outer circle threads, ensuring the efficiency and continuity of the demolding process of the entire injection mold and improving the production efficiency.

[0077] Further, as a preferred embodiment of the present scheme, a plurality of sprue hooks 16 are arranged in the movable die assembly, one end of the sprue hook 16 is embedded in the push plate 10, and the other end extends through the movable die plate 11 and into the mold cavity 13.

[0078] In the actual injection molding process, the plastic melt enters the mold cavity 13 through the corresponding flow channel in the mold to form a compliant agent pouring cover. The water gap is the channel part of the plastic melt from the flow channel into the mold cavity, and the water gap hook needle 16 extends into the mold cavity 13 and contacts the plastic of the water gap part and is connected with the water gap during the molding process. During demolding, when the mold is opened for demolding operation, the push plate will move. Since one end of the water gap hook needle 16 is embedded in the push plate, the movement of the push plate drives the water gap hook needle to move together. The water gap hook needle 16 can hook the water gap out of the mold by using the connection relationship between the water gap hook needle 16 and the water gap in the mold cavity. This helps to separate the water gap and the molded cover from the mold during demolding, avoids the water gap remaining in the mold, and ensures the smooth progress of the mold demolding process. In particular, the end of the water gap hook needle 16 is spherical, and compared with a sharp or flat end, the spherical end has a larger contact area with the water gap to disperse the hooking force and reduce the risk of the water gap being broken or damaged due to excessive local stress. Since the water gap of the compliant agent pouring cover is usually thin or thin, this dispersion force characteristic is particularly important, which can effectively prevent the water gap from being pulled off during demolding, affecting production efficiency and product quality.

[0079] Further, as a preferred embodiment of the present scheme but not limited, a plurality of guide mechanisms 17 for limiting the opening and closing stroke are arranged between the fixed mold assembly and the movable mold assembly, specifically, two are arranged symmetrically on both sides of the entire mold.

[0080] More specifically, the guide mechanism 17 includes guide blocks 171 fixed to the outer sides of the fixed mold plate 4 and the movable mold plate 11, respectively, and the guide blocks 171 are provided with openings and guide rails 172 are arranged in the openings, and the two ends of the guide rails 172 are respectively provided with limiting ends 173 to prevent them from being pulled out of the guide blocks 171.

[0081] In the embodiment, the guide blocks 171 are the main supporting components of the guide mechanism and are fixedly installed on the outer sides of the fixed mold plate 4 and the movable mold plate 11. The guide rails 172 are arranged in the openings of the guide blocks 171 and are used to guide the accurate movement of the movable mold plate 11 relative to the fixed mold plate 4, and the two ends of the guide rails 172 are respectively provided with limiting ends 173 to limit the opening and closing stroke of the mold. The limiting end can be a stop block fixed at the two ends of the guide rail, or a limiting structure processed on the guide rail itself. Through the arrangement of the guide mechanism 17, the demolding mechanism of the injection mold of the embodiment not only improves the stability and accuracy of the mold opening and closing, but also effectively prolongs the service life of the mold. At the same time, the design of the limiting end also ensures the accurate control of the opening and closing stroke of the mold, which provides a strong guarantee for the high-quality production of the compliant agent pouring cover.

[0082] The working principle of the utility model is:

[0083] The embodiment provides a demolding mechanism of an injection mold for a conditioner pouring cover. Through cooperation of a first demolding assembly and a second demolding assembly, efficient and non-damaging demolding of an inner ring thread and an outer side thread of a cover body is realized. The first demolding assembly utilizes a movable plate, a bearing set and a boosting device to drive a second forming insert in a fixed mold insert to rotate and pull down at mold opening, and the demolding of the inner ring thread is completed by means of rotational inertia; the second demolding assembly drives a fifth forming insert in a movable mold insert to rotate synchronously through a driving mechanism, a driven mechanism and a linkage, so that the outer side thread is separated. After the demolding of the inner and outer threads is completed, the ejection mechanism separates a push plate and a movable mold plate by means of an elastic element, and the cover body is smoothly ejected. In addition, the mold is provided with a guide mechanism and a gate hook needle, so that the mold opening and closing stroke is accurate and stable, and the residual gate problem is effectively solved. The overall design ingeniously combines mechanical structures and motion principles, significantly improves the demolding efficiency and product quality, and solves the problem that the traditional injection mold is prone to cause product deformation or thread damage.

[0084] The above is an embodiment provided in combination with specific content, and it is not considered that the specific implementation of the present application is limited to these descriptions. Any similar structure or method as the present application, or any technical deduction or replacement made on the basis of the concept of the present application, should be considered as the protection scope of the present application.

Claims

1. A demolding mechanism for the inner thread of a cap injection mold for a conditioner cap, comprising a fixed mold assembly and a movable mold assembly, the fixed mold assembly comprising, from top to bottom, a fixed mold base plate (1), a hot runner plate (2), a first insert fixing plate (3), and a fixed mold plate (4), the first insert fixing plate (3) being connected with a plurality of fixed mold inserts (5) passing through the fixed mold plate (4), the movable mold assembly comprising, from bottom to top, a movable mold base plate (6), a second insert fixing plate (7), a ejector plate (8), a support plate (9), a push plate (10), and a movable mold plate (11), the second insert fixing plate (7) being connected with a plurality of movable mold inserts (12) passing through the ejector plate (8), the push plate (10), and the movable mold plate (11), when the mold is closed, a mold cavity (13) for forming a cap body is formed between the movable mold plate (11), the fixed mold plate (4), the fixed mold inserts (5), and the movable mold inserts (12), characterized in that: The first demolding assembly (14) is movably connected with the fixed mold insert (5) and cooperates to demold the inner ring thread of the cover body.

2. A demolding mechanism of the inner ring thread of a conditioner cap pouring cap injection mold according to claim 1, characterized in that, The fixed mold insert (5) comprises a first forming insert (51) fixedly connected with the first insert fixed plate (3), the other end of the first forming insert (51) can pass through the fixed mold plate (4), a second forming insert (52) is movably connected with the outer periphery of the first forming insert (51), and a first thread groove (521) for thread forming of the inner ring of the cover body is arranged on the lower part of the second forming insert (52).

3. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to claim 2, characterized in that, The first demolding assembly (14) comprises a movable plate (141) movably arranged in the first insert fixed plate (3), a plurality of bearing groups (142) corresponding to the fixed mold insert (5) are fixedly arranged in the movable plate (141), the second forming insert (52) is sleeved with the bearing group (142), and the second forming insert (52) penetrates through the movable plate (141); when the mold is opened, the inner ring thread of the cover body drives the second forming insert (52) to be pulled down and rotated relative to the first forming insert (51), and the second forming insert (52) is separated from the cover body through rotational inertia.

4. The inner circle thread demolding mechanism of a conditioner cap pouring cap injection mold according to claim 3, characterized in that, The bearing group (142) comprises a first bearing (1421) and a second bearing (1422) sleeved on the outer periphery of the second forming insert (52), and a limiting protrusion (522) is arranged on the outer periphery of the second forming insert (52) and clamped between the first bearing (1421) and the second bearing (1422).

5. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to claim 4, characterized in that, The movable plate (141) comprises an upper floating plate (1411), the lower floating plate (1412) is fixedly connected to the bottom of the upper floating plate (1411), the first bearing (1421) is fixedly arranged in the upper floating plate (1411), and the second bearing (1422) is fixedly arranged in the lower floating plate (1412).

6. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to claim 3, characterized in that, The first demolding assembly (14) comprises a boosting device (143) arranged on the upper part of the movable plate (141), when the mold is opened, the boosting device (143) makes the movable plate (141) have a tendency to move away from the fixed mold base plate (1).

7. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to claim 6, characterized in that, The boosting device (143) comprises a plurality of first elastic members (1431) uniformly arranged on the upper part of the movable plate (141), the first installation groove (1432) and the second installation groove (1433) are arranged on the lower part of the fixed mold base plate (1) and the upper part of the movable plate (141) respectively, the first elastic members (1431) pass through the hot runner plate (2) and the first insert fixed plate (3), and the two ends of the first elastic members (1431) are arranged in the first installation groove (1432) and the second installation groove (1433) respectively.

8. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to claim 3, characterized in that, The lower part of the movable plate (141) is further provided with a reset device (144), when the mold is closed, the reset device (144) makes the movable plate (141) move away from the movable mold assembly, and when the movable plate (141) is reset, the upper end of the movable plate (141) abuts against the first insert fixed plate (3).

9. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to claim 8, characterized in that, The reset device (144) comprises a plurality of return rods uniformly arranged at the lower part of the movable plate (141), and a plurality of through holes are formed in the fixed die plate (4) and correspond to the return rods and are penetrated by the return rods, and the lower end of the return rod abuts against the upper end of the movable die plate (11) when the mold is closed.

10. A thread demolding mechanism of an inner ring of a conditioner cap pouring cap injection mold according to any one of claims 1-9, characterized in that, A plurality of guide mechanisms (17) for limiting the opening and closing stroke are arranged between the fixed die assembly and the movable die assembly.

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