One-mold multi-cavity injection mold

Abstract

The utility model discloses a one-mold multi-cavity injection mold, which comprises an upper mold, a lower mold, a glue feeding mechanism and a pitched roof mechanism, the upper mold comprises an upper mold base and an upper mold core, the lower mold comprises a lower mold base and a lower mold core, the glue feeding mechanism is arranged on the upper mold, and the pitched roof mechanism is arranged on the lower mold; the upper mold core and the lower mold core are encircled to form at least two mold cavities for forming the camera decorating parts, the inclined ejection mechanism comprises an inclined ejection assembly, and the inclined ejection assembly is used for ejecting the formed camera decorating parts out of the mold cavities; the glue feeding mechanism is provided with a glue feeding channel, a feeding runner is formed in the lower mold core, unit runners are arranged on the feeding runner, each unit runner corresponds to one mold cavity, the glue feeding channel is communicated with the feeding runner, the inclined ejection assembly is provided with a pouring gate, the unit runners are communicated with a glue inlet of the pouring gate, and a glue outlet of the pouring gate is communicated with the mold cavities. According to the technical scheme of the utility model, the problems that the mobile phone camera decorating part formed by the existing one-mold multi-cavity mold is a single individual, and the electroplating and spraying cost of a single product is high are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with multiple cavities in one mold. Background Art

[0002] Mobile phone camera decoration parts are used to decorate and protect the camera module of the mobile phone. During production, the camera decoration parts are injection molded through injection molds. After molding, the camera decoration parts need to be electroplated to improve performance and appearance, meet the viewing and beautification performance, and at the same time provide the camera decoration parts with better anti-oxidation and durability.

[0003] Since the mobile phone camera decoration parts are relatively small, a mold with multiple cavities is generally used to injection mold multiple products at a time to improve production efficiency. In the prior art, the injection mold is a separate individual after the product is injection molded, and there is no connection between the products. In the process of electroplating after the mobile phone camera decoration parts are injection molded, the camera decoration parts need to be transferred one by one and electroplated one by one. The electroplating spraying cost of a single product is high, the operation is cumbersome, and the efficiency is low. Utility Model Content

[0004] The main purpose of the utility model is to provide a one-mold multi-cavity injection mold, aiming to solve the problem that the mobile phone camera decorative parts formed by the existing one-mold multi-cavity mold are separate individuals and the electroplating spraying cost of a single product is high.

[0005] To achieve the above-mentioned purpose, the utility model proposes a one-mold multi-cavity injection mold for producing mobile phone camera decorative parts, comprising: an upper mold, the upper mold comprising an upper mold base and an upper mold core arranged in the upper mold base; a lower mold, the lower mold comprising a lower mold base and a lower mold core arranged in the lower mold base; a glue feeding mechanism, the glue feeding mechanism is installed on the upper mold; and a tilting mechanism, the tilting mechanism can be movably installed on the lower mold; wherein, the upper mold core and the lower mold core are surrounded by at least two mold cavities for molding camera decorative parts, and the tilting mechanism includes at least two tilting The component comprises: each of the inclined top components is arranged corresponding to the mold cavity, the inclined top component extends to the bottom surface of the mold cavity, and the inclined top component is used to push the molded camera decorative part out of the mold cavity; the glue feeding mechanism is provided with a glue feeding channel, the lower mold core is formed with a feed flow channel, and the feed flow channel is provided with at least two unit flow channels, and each unit flow channel is arranged corresponding to the mold cavity; the glue outlet of the glue feeding channel is connected with the feed flow channel, the inclined top component is provided with a runner, the unit flow channel is connected with the glue inlet of the runner, and the glue outlet of the runner is connected with the mold cavity.

[0006] In one embodiment of the utility model, the lower mold core is also formed with an overflow flow channel, and at least two branch flow channels are provided on the overflow flow channel, and each branch flow channel is arranged corresponding to one of the mold cavities; the inclined top assembly includes two inclined top pieces, and the inclined top pieces are provided with the runners, the unit flow channel is connected to one of the runners, and the branch flow channel is connected to the other runner, and the glue outlets of the two runners are connected to the mold cavity.

[0007] In an embodiment of the present invention, the feed channel is arranged on one side of the mold cavity, the overflow channel is arranged on the other side of the mold cavity, and the two inclined ejectors are respectively arranged on opposite sides of the mold cavity.

[0008] In one embodiment of the utility model, the overflow channel is enclosed on the outer periphery of the feed channel, the feed channel is communicated with the overflow channel, and the overflow channel and the feed channel are enclosed and interwoven to form a frame channel.

[0009] In an embodiment of the present invention, a partial area of ​​the overflow flow channel is recessed, and the cross-sectional area of ​​the recessed area of ​​the overflow flow channel is smaller than the cross-sectional area of ​​the feed flow channel.

[0010] In an embodiment of the present invention, suction cups are formed at both ends of the frame flow channel of the lower mold core along the length direction.

[0011] In one embodiment of the utility model, a glue injection channel is also formed in the middle of the frame flow channel of the lower mold core, the bottom surface of the glue feeding mechanism is abutted against the lower mold core, the glue outlet of the glue feeding channel is connected to the glue inlet of the glue injection channel, and the glue outlet of the glue injection channel is connected to the feed channel.

[0012] In one embodiment of the utility model, an annular flow channel is formed in the middle of the frame flow channel of the lower mold core, and the annular flow channel is respectively connected to the feed flow channel and the overflow flow channel; the glue injection flow channel has a glue inlet and two glue outlets, and the two glue outlets are respectively connected to the positions of the annular flow channel close to the feed flow channel.

[0013] In an embodiment of the utility model, the runner is opened inwardly along the side surface of the inclined ejector.

[0014] In an embodiment of the present invention, eight mold cavities are provided, and the eight mold cavities are arranged in two parallel rows and are evenly spaced.

[0015] Compared with the prior art, the one-mold multi-cavity injection mold provided by the utility model has the following beneficial effects:

[0016] The technical solution of the utility model is to set a feed runner and a unit runner, and cooperate with the unit runner through the inclined top assembly to conduct the molten plastic into the mold cavity. The multiple camera decorative parts produced are connected with the plastic in the unit runner through the feed runner to form an integral structure. After demolding, the structure can be transferred and electroplated at the same time without the need for individual operations, thereby reducing the cost of electroplating spraying, facilitating operation, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 This is one of the overall structural schematic diagrams of an embodiment of a one-mold multi-cavity injection mold of the utility model;

[0019] Figure 2 This is the second overall structural schematic diagram of an embodiment of a one-mold multi-cavity injection mold of the utility model;

[0020] Figure 3 It is an exploded schematic diagram of an embodiment of a one-mold multi-cavity injection mold of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of an embodiment of a one-mold multi-cavity injection mold of the utility model;

[0022] Figure 5 It is a partial structural schematic diagram of an embodiment of a one-mold multi-cavity injection mold of the utility model;

[0023] Figure 6 This is one of the schematic diagrams of the matching structure of the glue feeding mechanism, the frame flow channel and the inclined ejection mechanism of one embodiment of the utility model;

[0024] Figure 7 This is a second schematic diagram of the matching structure of the glue feeding mechanism, the frame flow channel and the inclined ejector mechanism of an embodiment of the utility model;

[0025] Figure 8 for Figure 7 The enlarged schematic diagram of point A in the middle;

[0026] Fig. 9 It is a structural schematic diagram of an embodiment of the inclined ejector of the utility model;

[0027] Fig.10This is a schematic diagram of the connection structure of the frame flow channel and the camera decorative component of an embodiment of the utility model;

[0028] Fig.11 This is the second schematic diagram of the connection structure between the frame flow channel and the camera decorative component of an embodiment of the present utility model.

[0029] Description of Figure Numbers:

[0030] Label name Label name 100 Injection mold 2215 Suction cup 10 Upper mold 2216 Annular flow channel 11 Upper die seat 222 Glue injection channel 12 Upper mold 2221 Glue inlet 20 Lower die 2222 Glue mouth 21 Lower die seat 30 Glue feeding mechanism 22 Lower mold 31 Glue inlet channel 221 Frame runner 40 Inclined lift mechanism 2211 Feed channel 41 Lifting assembly 2212 Unit flow channel 411 Lifting piece 2213 Overflow channel 4111 Runner 2214 Diverter 200 Camera decoration

[0031] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0035] Please refer to Figures 1 to 11The utility model proposes a one-mold multi-cavity injection mold 100 for producing a mobile phone camera decorative part 200, comprising: an upper mold 10, wherein the upper mold 10 comprises an upper mold base 11 and an upper mold core 12 arranged in the upper mold base 11; a lower mold 20, wherein the lower mold 20 comprises a lower mold base 21 and a lower mold core 22 arranged in the lower mold base 21; a glue feeding mechanism 30, wherein the glue feeding mechanism 30 is installed on the upper mold 10; and a tilting mechanism 40, wherein the tilting mechanism 40 is movably installed on the lower mold 20; wherein the upper mold core 12 and the lower mold core 22 are enclosed to form at least two mold cavities (not shown) for molding the camera decorative part 200, and the tilting mechanism 40 comprises at least two tilting assemblies 41 , each of the inclined ejector components 41 is arranged corresponding to the mold cavity, and the inclined ejector component 41 extends to the bottom surface of the mold cavity, and the inclined ejector component 41 is used to eject the molded camera decorative component 200 from the mold cavity; the glue feeding mechanism 30 is provided with a glue feeding channel, and the lower mold core 22 is formed with a feed flow channel 2211, and the feed flow channel 2211 is provided with at least two unit flow channels 2212, and each unit flow channel 2212 is arranged corresponding to the mold cavity; the glue outlet of the glue feeding channel is connected with the feed flow channel 2211, and the inclined ejector component 41 is provided with a runner 4111, and the unit flow channel 2212 is connected with the glue inlet of the runner 4111, and the glue outlet of the runner 4111 is connected with the mold cavity.

[0036] Specifically, the injection mold 100 is used to produce a mobile phone camera decoration 200. The injection mold 100 includes an upper mold 10 and a lower mold 20. The upper mold 10 is a fixed mold, and the lower mold 20 is a movable mold. The upper mold core 12 is installed on the side of the upper mold base 11 close to the lower mold base 21, and the lower mold core 22 is installed on the side of the lower mold base 21 close to the upper mold base 11, so that the upper mold core 12 and the lower mold core 22 cooperate to form at least two mold cavities. The mold cavity is used for molding the mobile phone camera decoration 200, that is, the mold cavity matches the shape and size of the camera decoration 200.

[0037] The shape and size of the upper mold base 11 match those of the lower mold base 21, and the shape and size of the upper mold core 12 match those of the lower mold core 22, so that during the mold closing process, the upper mold base 11 and the lower mold base 21 as well as the upper mold core 12 and the lower mold core 22 can fully cooperate and dock with each other to produce the camera decorative part 200.

[0038] A feed channel 2211 is formed on the lower mold core 22, and at least two unit channels 2212 are arranged on the feed channel 2211. Each unit channel 2212 is arranged corresponding to a mold cavity. Through the feed channel 2211 and the unit channel 2212, during pouring, the molten plastic is distributed to the connected unit channels 2212 through the feed channel 2211, and enters the mold cavity through the runner 4111 of the inclined top assembly 41, which is beneficial to uniform pouring of each mold cavity.

[0039] After the camera decoration 200 is formed, the plastic in the flow channel can be connected to the camera decoration 200 as a whole, and the camera decoration 200 is pushed out of the mold cavity by the inclined ejection mechanism 40. The individual camera decorations 200 are connected as a whole through the plastic in the flow channel, so that the entire structure can be electroplated. After the electroplating is completed and the waste is removed, a single camera decoration 200 is obtained. There is no need to electroplate the camera decorations 200 one by one, and the operation is simple and efficient.

[0040] The glue feeding mechanism 30 is installed on the upper mold 10. The glue feeding mechanism 30 is used for glue feeding and for guiding the molten plastic to the feed runner 2211. Since the appearance surface of the camera decorative part 200 is on the outside and cannot be a side gate, a tilting mechanism 40 is provided. The tilting mechanism 40 can be movably installed on the lower mold 20. The tilting mechanism 40 extends to the bottom surface of the mold cavity. After the camera decorative part 200 is formed, the camera decorative part 200 is ejected from the mold cavity by the tilting mechanism 40 to complete the production of the camera decorative part 200.

[0041] Each mold cavity is provided with a corresponding inclined top assembly 41, the unit flow channel 2212 cooperates with the inclined top assembly 41, the glue feed channel is connected with the feed flow channel 2211, the unit flow channel 2212 is connected with the runner 4111 of the inclined top assembly 41, and the runner 4111 is connected with the mold cavity, thereby guiding the molten plastic into the mold cavity to complete the production of the camera decorative part 200.

[0042] Multiple mold cavities can be set according to actual needs. The multiple camera decorative parts 200 produced are connected to the plastic in the feed channel 2211 and the unit channel 2212 to form an integral structure, which is convenient for transfer and electroplating. No single operation is required, which reduces the cost of electroplating spraying and improves production efficiency.

[0043] The technical solution of the utility model is to set a feed channel 2211 and a unit channel 2212, and cooperate with the runner 4111 of the inclined top assembly 41 and the unit channel 2212 to conduct the molten plastic into the mold cavity. The multiple camera decorative parts 200 produced are connected by the plastic in the feed channel 2211 and the unit channel 2212 to form an integral structure. After demolding, the structure can be transferred and electroplated at the same time without the need for individual operations, thereby reducing the cost of electroplating spraying, facilitating operation, and improving production efficiency.

[0044] In one embodiment of the utility model, the lower mold core 22 is also formed with an overflow channel 2213, and at least two branch channels 2214 are provided on the overflow channel 2213, and each branch channel 2214 is arranged corresponding to one of the mold cavities; the inclined top assembly 41 includes two inclined top pieces 411, and the inclined top pieces 411 are provided with the runner 4111, the unit runner 2212 is connected to one of the runners 4111, and the branch channel 2214 is connected to the other runner 4111, and the glue outlets of the two runners 4111 are connected to the mold cavity.

[0045] In detail, an overflow runner 2213 is also provided, and the molten plastic is guided from the unit runner 2212 to the runner 4111 of the inclined ejector 411 through the feed runner 2211, and enters the mold cavity. The molten plastic overflowing from the mold cavity is collected from the runner 4111 of another inclined ejector 411 through the branch runner 2214 to the overflow runner 2213. By providing the feed runner 2211 and the overflow runner 2213, the mold cavity has a glue inlet and a glue outlet, which facilitates the molding of the camera decorative part 200 in the mold cavity, and effectively improves the molding quality of the camera decorative part 200.

[0046] In an embodiment of the present invention, the feed channel 2211 is disposed on one side of the mold cavity, the overflow channel 2213 is disposed on the other side of the mold cavity, and the two inclined ejectors 411 are respectively disposed on opposite sides of the mold cavity.

[0047] It is worth noting that the feed channel 2211 and the overflow channel 2213 are respectively arranged on opposite sides of the mold cavity, and the two inclined ejectors 411 are also arranged on opposite sides of the mold cavity, so that the plastic can be fed from one end of the mold cavity and discharged from the other end, and the molten plastic can be evenly introduced into the mold cavity, thereby improving the molding quality of the camera decorative component 200.

[0048] In an embodiment of the present invention, the overflow channel 2213 is enclosed and arranged on the outer periphery of the feed channel 2211 , the feed channel 2211 is communicated with the overflow channel 2213 , and the overflow channel 2213 and the feed channel 2211 are enclosed and interwoven to form a frame channel 221 .

[0049] Specifically, Figure 5 and Figure 6 The overflow channel 2213 is connected to the feed channel 2211, and they are interwoven to form a frame channel 221. By setting the frame channel 221, multiple camera decorative parts 200 can be better connected into one, and the strength of the connection between the plastic in the channel and the multiple camera decorative parts 200 is improved, which is convenient for subsequent transfer for electroplating and other operations.

[0050] In an embodiment of the present invention, a partial area of ​​the overflow channel 2213 is recessed, and the cross-sectional area of ​​the recessed area of ​​the overflow channel 2213 is smaller than the cross-sectional area of ​​the feed channel 2211 .

[0051] In detail, Figure 6 and Figure 7 The overflow channel 2213 and the feed channel 2211 are interwoven to form a frame channel 221, and part of the overflow channel 2213 is recessed so that the flow rate of the overflow channel 2213 is smaller than the flow rate of the feed channel 2211, forming a mold cavity where glue enters at one end and exits at the other end, thereby facilitating the molding of the camera decorative part 200 and effectively improving the injection molding quality of the camera decorative part 200; at the same time, it can also save materials and reduce costs.

[0052] In an embodiment of the present invention, suction cups 2215 are formed at both ends of the frame flow channel 221 of the lower mold core 22 along the length direction.

[0053] It is worth noting that suction cup positions 2215 are provided at both ends of the frame channel 221 of the lower mold core 22. After molding, the plastic in the suction cup position 2215 is connected to the frame channel 221 as a whole. During demolding, the plastic in the suction cup position 2215 can be grasped by the suction cup of the robot to transfer the overall structure of the plastic and the camera decorative part 200 for electroplating operation.

[0054] In one embodiment of the utility model, a glue injection channel 222 is also formed in the middle of the frame channel 221 of the lower mold core 22, the bottom surface of the glue feeding mechanism 30 is abutted against the lower mold core 22, the glue outlet of the glue feeding channel is connected to the glue inlet of the glue injection channel 222, and the glue outlet 2222 of the glue injection channel 222 is connected to the feed channel 2211.

[0055] Specifically, the glue injection channel 222 is disposed at the center of the frame channel 221 , which is beneficial for uniform pouring and facilitates the molding of the camera decorative component 200 .

[0056] In one embodiment of the utility model, an annular flow channel 2216 is formed in the middle of the frame flow channel 221 of the lower mold core 22, and the annular flow channel 2216 is respectively connected to the feed flow channel 2211 and the overflow flow channel 2213; the glue injection flow channel 222 has a glue inlet 2221 and two glue outlets 2222, and the two glue outlets are respectively connected to the positions of the annular flow channel 2216 close to the feed flow channel 2211.

[0057] In detail, an annular flow channel 2216 is arranged in the middle of the frame flow channel 221, which can connect the feed flow channel 2211 and the overflow flow channel 2213. The two glue ports 2222 of the glue injection flow channel 222 are respectively connected to the positions of the annular flow channel 2216 close to the feed flow channel 2211 to increase the flow rate and pressure of the feed flow channel 2211 and to better and more evenly inject the molten plastic into the mold cavity.

[0058] In an embodiment of the present invention, the runner 4111 is opened inwardly along the side surface of the inclined ejector 411 .

[0059] It is worth noting that the runner 4111 is arranged on the side of the inclined ejector 411 to facilitate demoulding. Figure 8 and Fig. 9 The runner 4111 is L-shaped, the glue inlet of the runner 4111 is located on the top surface of the inclined top piece 411, and the glue outlet of the runner 4111 is located on the side of the inclined top piece 411. The side of the inclined top piece 411 is spaced apart from the wall of the lower mold core 22 so that the molten plastic flows from the gap between the inclined top piece 411 and the lower mold core 22 to the mold cavity, so that the camera decorative part 200 is easy to demold after molding.

[0060] In an embodiment of the present invention, eight mold cavities are provided, and the eight mold cavities are arranged in two parallel rows and are evenly spaced.

[0061] In detail, the number and arrangement of the mold cavities can be set according to actual needs. In this embodiment, Figure 4 and Figure 6 The number of mold cavities is eight, and the eight mold cavities are arranged in two parallel rows. Adjacent mold cavities are evenly spaced to facilitate the uniform injection of molten plastic to produce the camera decorative part 200, thereby improving the molding quality of the camera decorative part 200 and making the connection between the molten plastic in the flow channel and the multiple camera decorative parts 200 more stable, facilitating transfer and electroplating operations on the whole.

[0062] like Figures 4 to 6 The feed channel 2211 is arranged in parallel between the two rows of mold cavities, the overflow channel 2213 is arranged in parallel on the side of the two rows of mold cavities away from the feed channel 2211, and the overflow channel 2213 is connected with the feed channel 2211 to form a frame channel 221, so as to improve the overall structural strength after demolding and facilitate subsequent electroplating operations.

[0063] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A one-mold multi-cavity injection mold for producing mobile phone camera decorative parts, characterized in that: include: An upper die, the upper die comprising an upper die base and an upper die core arranged in the upper die base; A lower die, the lower die comprising a lower die base and a lower die core arranged in the lower die base; A glue feeding mechanism, the glue feeding mechanism is installed on the upper mold; and A tilting mechanism, wherein the tilting mechanism is movably mounted on the lower mold; The upper mold core and the lower mold core are combined to form at least two mold cavities for molding camera decorative parts, and the inclined ejector mechanism includes at least two inclined ejector components, each of which is arranged corresponding to one of the mold cavities, and the inclined ejector components extend to the bottom surface of the mold cavity, and the inclined ejector components are used to eject the molded camera decorative part out of the mold cavity; The glue feeding mechanism is provided with a glue feeding channel, the lower mold core is formed with a feeding flow channel, and the feeding flow channel is provided with at least two unit flow channels, and each unit flow channel is arranged corresponding to one of the mold cavities; The glue outlet of the glue inlet channel is communicated with the feed runner, the inclined top assembly is provided with a runner, the unit runner is communicated with the glue inlet of the runner, and the glue outlet of the runner is communicated with the mold cavity.

2. The multi-cavity injection mold according to claim 1, characterized in that: The lower mold core is also formed with an overflow flow channel, and the overflow flow channel is provided with at least two branch flow channels, and each branch flow channel is arranged corresponding to one of the mold cavities; The inclined ejector assembly includes two inclined ejector members, each of which is provided with the runner, the unit flow channel is connected to one of the runners, the branch flow channel is connected to the other runner, and the glue outlets of the two runners are both connected to the mold cavity.

3. The multi-cavity injection mold according to claim 2, characterized in that: The feed channel is arranged on one side of the mold cavity, the overflow channel is arranged on the other side of the mold cavity, and the two inclined ejectors are respectively arranged on two opposite sides of the mold cavity.

4. The multi-cavity injection mold according to claim 2, characterized in that: The overflow flow channel is enclosed and arranged at the outer periphery of the feed flow channel, the feed flow channel is communicated with the overflow flow channel, and the overflow flow channel and the feed flow channel are enclosed and interwoven to form a frame flow channel.

5. The multi-cavity injection mold according to claim 4, characterized in that: A partial area of ​​the overflow flow channel is recessed, and a cross-sectional area of ​​the recessed area of ​​the overflow flow channel is smaller than a cross-sectional area of ​​the feed flow channel.

6. The multi-cavity injection mold according to claim 4, characterized in that: Suction cups are formed at both ends of the frame flow channel of the lower mold core along the length direction.

7. The multi-cavity injection mold according to claim 4, characterized in that: A glue injection channel is also formed in the middle of the frame flow channel of the lower mold core, the bottom surface of the glue feeding mechanism is against the lower mold core, the glue outlet of the glue feeding channel is connected with the glue inlet of the glue injection channel, and the glue outlet of the glue injection channel is connected with the feed channel.

8. The multi-cavity injection mold according to claim 7, characterized in that: An annular flow channel is formed in the middle of the frame flow channel of the lower mold core, and the annular flow channel is communicated with the feed flow channel and the overflow flow channel respectively; The glue injection channel has a glue inlet and two glue outlets, and the two glue outlets are respectively connected to the positions of the annular channel close to the feed channel.

9. The multi-cavity injection mold according to claim 2, characterized in that: The runner is opened inwardly along the side surface of the inclined ejector.

10. The multi-cavity injection mold according to any one of claims 1 to 8, characterized in that: There are eight mold cavities, and the eight mold cavities are arranged in two parallel rows and are evenly spaced.

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