Injection mold

Abstract

The utility model provides an injection mold which comprises an upper mold body and a lower mold body, and the upper mold body and the lower mold body abut against each other to form a cavity for injection molding of a product; the trepanning mechanism comprises a driving mechanism, a trepanning assembly and an assembly connecting piece, the trepanning assembly comprises a first trepanning piece and a second trepanning piece, the first trepanning piece and the second trepanning piece are symmetrically arranged on the two sides of the assembly connecting piece, and a connecting hole is formed in the end, inserted into the cavity, of the assembly connecting piece; the driving mechanism is used for driving the first tapping part and the second tapping part to be synchronously inserted into the connecting hole so as to form a hollow fine hole structure in the plastic part, and the driving mechanism is further used for driving the first tapping part and the second tapping part to move out of the cavity after the product is subjected to injection molding; and the trepanning assembly and the assembly connecting piece are processed by a wire cutting technology and a coordinate grinding technology. According to the embodiment of the utility model, the punching precision of hole products can be improved, and the yield of the hole products can be improved.

Description

Technical Field

[0001] The utility model relates to the field of mold injection, in particular to an injection mold. Background Art

[0002] Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. The injection mold is a tool for producing plastic products and also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the injection of heated and melted plastic into the mold cavity by the injection molding machine under high pressure, and after cooling and solidification, a molded product is obtained.

[0003] Hole products are generally hollow structures. In some products, due to the relatively small aperture of fine-hole products, the interior of the product is an elongated hollow structure. The elongated hollow structure often cannot achieve the ideal effect only through the cooperation between the upper template and the lower template, resulting in low precision of hole products and prone to poor product flashing, which seriously affects the yield rate. Utility Model Content

[0004] The following is an overview of the topics described in detail in this article.

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides an injection mold, which can improve the hole opening accuracy of hole products and improve the yield rate of hole products.

[0006] The utility model provides an injection mold, comprising:

[0007] An upper mold body and a lower mold body, wherein the upper mold body and the lower mold body abut against each other to form a mold cavity for product injection molding;

[0008] A hole-opening mechanism comprises a driving mechanism, a hole-opening component and a component connecting part, wherein the hole-opening component comprises a first hole-opening component and a second hole-opening component, wherein the first hole-opening component and the second hole-opening component are symmetrically arranged on both sides of the component connecting part, and a connecting hole is provided at one end of the component connecting part inserted into the cavity, wherein the driving mechanism is used to drive the first hole-opening component and the second hole-opening component to be synchronously inserted into the connecting hole to form a hollow pore structure inside the plastic part, and the driving mechanism is also used to drive the first hole-opening component and the second hole-opening component to move out of the cavity after the product is injection molded, wherein the hole-opening component and the component connecting part are processed by wire cutting technology and coordinate grinding technology.

[0009] In some embodiments, it also includes a glue injection port and a glue injection pipe, wherein the glue injection port is arranged on the top of the upper mold body, the glue injection pipe is embedded in the upper mold body, and the input end of the glue injection pipe is connected to the glue injection port, and the output end of the glue injection pipe is connected to the cavity.

[0010] In some embodiments, a first mold base is disposed at the bottom of the upper mold body, and a second mold base is disposed at the top of the lower mold body. The first mold base and the second mold base are symmetrically arranged to form a cavity when the upper mold body and the lower mold body are abutted.

[0011] In some embodiments, it also includes an ejection mechanism disposed in the lower mold body, the ejection mechanism includes an ejector plate and a plurality of ejectors, one end of each ejector is disposed on the ejector plate, and the other end passes through the second mold base to eject the injection-molded plastic part.

[0012] In some embodiments, a reset mechanism is further included, wherein the reset mechanism is disposed on the ejector plate and is used to reset the ejector plate and the ejector.

[0013] In some embodiments, a first through hole is formed in the side wall of the bottom of the lower mold body, and the injection mold further includes a sensor, which is disposed on the ejector plate through the first through hole, and is used to sense the position of the ejector plate.

[0014] In some embodiments, the upper mold body includes multiple layers of first mold plates, and the lower mold body includes multiple layers of second mold plates. Each layer of the first mold plates is connected by fixing screws, and each layer of the second mold plates is connected by fixing screws.

[0015] In some embodiments, a second through hole is formed at the bottom of the upper mold body and the top of the lower mold body, and the injection mold further includes a positioning mechanism, which positions the upper mold body and the lower mold body through the second through hole.

[0016] In some embodiments, the driving mechanism includes a first driving member and a second driving member, the first driving member is connected to the first hole opening member, the second driving member is connected to the second hole opening member, the first driving member is used to drive the first hole opening member to move along a first direction, and the second driving member is used to drive the second hole opening member to move along a second direction, wherein the first direction and the second direction are opposite.

[0017] In some embodiments, the diameters of the first opening member, the second opening member, and the connecting hole are all 0.005 mm.

[0018] The embodiments of the utility model have at least the following beneficial effects: the injection mold includes an upper mold body and a lower mold body, and the upper mold body and the lower mold body abut against each other to form a cavity for injection molding of the product, thereby ensuring the stability and dimensional accuracy of the mold during the injection molding process; the first hole opening member and the second hole opening member in the hole opening mechanism are symmetrically arranged on both sides of the component connecting member; the driving mechanism drives the first hole opening member and the second hole opening member to be synchronously inserted into the connecting hole to form a hollow fine hole structure inside the plastic member, thereby realizing the fine hole molding of the plastic member; and the first hole opening member, the second hole opening member and the component connecting member are all obtained by wire cutting technology and coordinate grinding technology, thereby improving the punching accuracy, being able to injection mold a precise hollow fine hole structure, and further improving the yield rate of hole-type products; the driving mechanism is also used to drive the first hole opening member and the second hole opening member to move out of the cavity after the product is injection molded, thereby facilitating the ejection of the plastic member, reducing the process complexity, and improving the injection molding efficiency and injection molding quality of hole-type products. Through the cooperation of the first hole opening member, the second hole opening member and the component connecting member in the hole opening mechanism of this embodiment, a hollow pore structure can be formed inside the plastic part, the accuracy and stability of the hole opening can be maintained, the hole opening precision of the hole-type products can be improved, and the product can be prevented from having poor flashing.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the technical solution of the present utility model and constitute a part of the specification. Together with the examples of the present utility model, they are used to explain the technical solution of the present utility model and do not constitute a limitation on the technical solution of the present utility model.

[0021] Figure 1 A cross-sectional view of an injection mold provided in one embodiment of the utility model;

[0022] Figure 2 An exploded view of an injection mold provided in one embodiment of the utility model;

[0023] Figure 3 A cross-sectional view of an injection mold provided for another embodiment of the utility model;

[0024] Figure 4 A cross-sectional view of a hole opening assembly provided in one embodiment of the utility model;

[0025] Figure 5 A three-dimensional diagram of an injection mold provided for another embodiment of the utility model;

[0026] Figure 6A rear view of an injection mold provided in one embodiment of the utility model. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] The terms "first", "second", "third", "fourth", etc. (if any) in the specification of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0029] It should be understood that in the present application, "at least one (item)" means one or more, and "plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, "A and / or B" can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural. The character " / " generally indicates that the objects associated before and after are in an "or" relationship. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0030] It should be understood that in the description of the embodiments of the present application, the meaning of multiple (or multiple items) is more than two, greater than, less than, exceed, etc. are understood to not include the number, and above, below, within, etc. are understood to include the number.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0033] Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. The injection mold is a tool for producing plastic products and also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the injection of heated and melted plastic into the mold cavity by the injection molding machine under high pressure, and after cooling and solidification, a molded product is obtained.

[0034] Hole products are generally hollow structures. In some products, due to the relatively small aperture of fine-hole products, the interior of the product is an elongated hollow structure. The elongated hollow structure often cannot achieve the ideal effect only through the cooperation between the upper template and the lower template, resulting in low precision of hole products and prone to poor product flashing, which seriously affects the yield rate.

[0035] In order to solve the above problems, the present embodiment provides an injection mold, which includes an upper mold body and a lower mold body, and the upper mold body and the lower mold body abut each other to form a cavity for product injection molding, thereby ensuring the stability and dimensional accuracy of the mold during the injection molding process. The first hole opening member and the second hole opening member in the hole opening mechanism are symmetrically arranged on both sides of the component connecting member, and the driving mechanism drives the first hole opening member and the second hole opening member to be synchronously inserted into the connecting hole to form a hollow fine hole structure inside the plastic part, thereby realizing the fine hole molding of the plastic part, and the first hole opening member, the second hole opening member and the component connecting member are all processed by wire cutting technology and coordinate grinding technology, thereby improving the punching accuracy, being able to injection mold a precise hollow fine hole structure, and further improving the yield rate of hole-type products. The driving mechanism is also used to drive the first hole opening member and the second hole opening member to move out of the cavity after the product is injection molded, so as to facilitate the ejection of the plastic part, reduce the process complexity, and improve the injection molding efficiency and injection molding quality of hole-type products. Through the cooperation of the first hole opening member, the second hole opening member and the component connecting member in the hole opening mechanism of this embodiment, a hollow pore structure can be formed inside the plastic part, the accuracy and stability of the hole opening can be maintained, the hole opening precision of the hole-type products can be improved, and the product can be prevented from having poor flashing.

[0036] refer to Figure 1 , Figure 1 A cross-sectional view of an injection mold provided in one embodiment of the utility model.

[0037] In one embodiment of the utility model, the injection mold includes an upper mold body 110 and a lower mold body 120, and the upper mold body 110 and the lower mold body 120 abut against each other to form a cavity for product injection molding, wherein a first mold base 111 is provided at the bottom of the upper mold body 110, and a second mold base 121 is provided at the top of the lower mold body 120, and the first mold base 111 and the second mold base 121 are symmetrically arranged to form a cavity when the upper mold body 110 and the lower mold body 120 abut against each other, thereby ensuring the stability and dimensional accuracy of the mold during the injection molding process.

[0038] It should be noted that the first mold base 111 and the second mold base 121 can be provided with one or more molding areas, and the number of molding areas of the two mold bases is equal and symmetrically arranged up and down, so that a cavity for product injection molding can be formed when the first mold base 111 and the second mold base 121 abut against each other, wherein the first mold base 111 can be embedded in the bottom of the first mold base 111 or fixed to the bottom of the first mold base 111 by bolts, and similarly, the second mold base 121 can be embedded in the top of the second mold base 121 or fixed to the top of the second mold base 121 by bolts, so as to facilitate disassembly, replacement and maintenance, thereby greatly improving work efficiency. This embodiment does not impose specific restrictions on the connection relationship between the mold base and the mold body.

[0039] refer to Figure 2 , Figure 2 An exploded view of an injection mold provided in one embodiment of the utility model.

[0040] In one embodiment of the present invention, the upper mold body 110 includes multiple layers of first mold plates 112, and the lower mold body 120 includes multiple layers of second mold plates 122. Each layer of the first mold plates is connected by a fixing screw 200, and each layer of the second mold plates is connected by a fixing screw 200 to facilitate disassembly, replacement and maintenance of the mold plates.

[0041] In one embodiment of the utility model, a second through hole 310 is formed at the bottom of the upper mold body 110 and the top of the lower mold body 120, and the injection mold also includes a positioning mechanism, which positions the upper mold body 110 and the lower mold body 120 through the second through hole 310 to achieve precise positioning of the upper mold body 110 and the lower mold body 120, ensure the accuracy and stability of the mold during the closing process, and ensure the accurate alignment of the cavity when the mold is closed, thereby improving the processing accuracy and consistency of the product.

[0042] It should be noted that the number of second through holes 310 in the present embodiment can be set according to the actual shapes of the upper mold body 110 and the lower mold body 120, or can be set according to the user's habits, and the position of the second through holes 310 at the bottom of the upper mold body 110 must correspond to the position of the second through holes 310 at the top of the lower mold body 120, to ensure accurate alignment of the cavity when the mold is closed, thereby improving the processing accuracy and consistency of the product. For example, when the cross-sections of the upper mold body 110 and the lower mold body 120 are both rectangular, the four top corners of the bottom of the upper mold body 110 and the four top corners of the lower mold body 120 are provided with second through holes 310, thereby realizing the positioning of the upper mold body 110 and the lower mold body 120, preventing the upper mold body 110 and the lower mold body 120 from offset when they are raised or lowered, and improving the stability and reliability of the mold during the injection molding process, thereby ensuring the quality and consistency of the product.

[0043] It is worth noting that the positioning mechanism includes a guide post 410 and a guide sleeve 420, and the guide sleeve 420 is sleeved on the outside of the guide post 410, wherein the guide post 410 is used to guide the closing and separation movement of the mold, ensure the precise positioning of the mold during the movement, and ensure the accuracy and consistency of product processing. The guide sleeve 420 is used to reduce the friction between the guide post 410 and the upper mold body 110 and the lower mold body 120, and provide support and positioning, reduce the wear of the guide post 410, thereby extending the life of the mold, and can also avoid shaking and deformation of the mold during operation, thereby improving the stability of the mold.

[0044] refer to Figure 3 , Figure 3 A cross-sectional view of an injection mold provided in another embodiment of the utility model.

[0045] In one embodiment of the utility model, the hole opening mechanism includes a driving mechanism, a hole opening component 510 and a component connecting member 520. The hole opening component 510 includes a first hole opening member 511 and a second hole opening member 512. The first hole opening member 511 and the second hole opening member 512 are symmetrically arranged on both sides of the component connecting member 520. A connecting hole is opened at one end of the component connecting member 520 inserted into the cavity. The driving mechanism is used to drive the first hole opening member 511 and the second hole opening member 512 to be inserted into the connecting hole synchronously to form a hollow pore structure inside the plastic part 900, which can reduce the production difficulty while improving the punching accuracy and injection mold a precise hollow pore structure. The driving mechanism is also used to drive the first hole opening member 511 and the second hole opening member 512 to move out of the cavity after the product is injection molded, so as to facilitate the ejection of the plastic part 900, reduce the process complexity, and improve the injection molding efficiency and injection molding quality of hole-type products. Among them, the hole opening component 510 and the component connecting member 520 are processed by wire cutting technology and coordinate grinding technology.

[0046] It should be noted that the conventional wire cutting technology has a larger processing hole diameter and cannot meet the requirements of more sophisticated hole products. Therefore, the hole opening component 510 and the component connecting part 520 in this embodiment are first processed to 0.8 mm by wire cutting technology, and then the remaining material is processed by coordinate grinding technology to ensure that the aperture of the first hole opening component 511, the second hole opening component 512 and the connecting hole here is stable within 0.005 mm, so that a precise hollow pore structure can be produced.

[0047] It is understandable that one or more hole-opening mechanisms may be provided in this embodiment, thereby increasing the production efficiency of the plastic part 900 .

[0048] In one embodiment of the utility model, the apertures of the first opening member 511, the second opening member 512 and the connecting hole are all 0.005 mm, so that the first opening member 511, the second opening member 512 and the connecting hole can cooperate with each other to achieve a uniform pore structure and produce a plastic part 900 with a high-precision, high-quality hollow pore structure.

[0049] refer to Figure 4 , Figure 4 A cross-sectional view of a hole opening assembly 510 provided in accordance with an embodiment of the present invention.

[0050] It is worth noting that the hole-opening component 510 in this embodiment also includes a first positioning tube 513 and a second positioning tube 514. The first positioning tube 513 is sleeved on the outside of the first hole-opening component 511, and the second positioning tube 514 is sleeved on the outside of the second hole-opening component 512, so as to achieve precise positioning of the first hole-opening component 511 and the second hole-opening component 512, ensuring that the connecting holes of the first hole-opening component 511, the second hole-opening component 512 and the component connecting component 520 are in the same straight line, further improving the fineness of the hollow pores of the plastic component 900, and avoiding burrs, edges and corners or unevenness on the surface of the plastic component 900.

[0051] In one embodiment of the utility model, the driving mechanism includes a first driving member and a second driving member, the first driving member is connected to the first hole opening member 511, and the second driving member is connected to the second hole opening member 512, the first driving member is used to drive the first hole opening member 511 to move along the first direction, and the second driving member is used to drive the second hole opening member 512 to move along the second direction, wherein the first direction and the second direction are opposite, thereby realizing the insertion or removal of the first hole opening member 511 and the second hole opening member 512.

[0052] It should be noted that the driving mechanism in this embodiment can be a driving motor, a slider, etc., and this embodiment does not make specific restrictions. Specifically, taking the first opening member 511 being arranged on the left side of the component connecting member 520 and the second opening member 512 being arranged on the right side of the component connecting member 520 as an example, in the process of the driving mechanism driving the first opening member 511 and the second opening member 512 to be synchronously inserted into the connecting hole in the component connecting member 520, the first driving member drives the first opening member 511 to move toward the right side, and the second driving member drives the second opening member 512 to move toward the left side, so that the first opening member 511 and the second opening member 512 are abutted in the connecting hole; in the process of the driving mechanism driving the first opening member 511 and the second opening member 512 to move out of the cavity synchronously, the first driving member drives the first opening member 511 to move toward the left side, and the second driving member drives the second opening member 512 to move toward the right side, so that the first opening member 511 and the second opening member 512 are synchronously pulled out to both sides.

[0053] refer to Figure 5 , Figure 5 A three-dimensional diagram of an injection mold provided in another embodiment of the utility model.

[0054] In one embodiment of the utility model, the injection mold also includes a glue injection port 610 and a glue injection pipe 620. The glue injection port 610 is arranged at the top of the upper mold body 110, and the glue injection pipe 620 is embedded in the upper mold body 110. The input end of the glue injection pipe 620 is connected to the glue injection port 610, and the output end is connected to the cavity, so that the glue can be guided to flow into the cavity, ensuring that the molten plastic can evenly and quickly fill the entire cavity, improving the molding quality and precision of the product, and the glue injection pipe 620 can reduce the pressure loss of the glue during the transportation process.

[0055] It is understandable that in this embodiment, glue is injected into the glue injection port 610 and flows into the mold cavity through the glue injection pipe 620. The cross-sectional area of ​​the glue injection pipe 620 can be rectangular, funnel-shaped, etc., and this embodiment does not make specific limitations.

[0056] In one embodiment of the utility model, the injection mold also includes an ejection mechanism arranged in the lower mold body 120, and the ejection mechanism includes an ejector plate 710 and a plurality of ejectors 720. One end of each ejector 720 is arranged on the ejector plate 710, and the other end is penetrated by the second mold base 121 to eject the injection-molded plastic part 900, thereby realizing automatic demolding, avoiding damage to the mold or deformation of the product caused by the plastic part 900 being stuck in the mold. The operation is simple and convenient, and no manual operation is required, which greatly improves work efficiency, reduces work intensity, and has a wide applicability.

[0057] It can be understood that the number of ejector pins 720 and ejector plates 710 in this embodiment can be set according to the needs of the user. For example, the number of ejector pins 720 is 5, 8, 10, etc., and the number of ejector plates 710 is 1, 2, etc., and this embodiment does not make specific restrictions.

[0058] It should be noted that the injection mold in this embodiment also includes a driving device for driving the ejection mechanism. When the plastic part 900 is molded and the first opening member 511 and the second opening member 512 are pulled out, the driving device drives the ejection mechanism to move upward. At this time, the ejector plate 710 and the ejector pin 720 rise synchronously, and the injection-molded plastic part 900 is ejected by the ejector pin 720.

[0059] In one embodiment of the utility model, the injection mold further includes a reset mechanism 800, which is disposed on the ejector plate 710. The reset mechanism 800 is used to reset the ejector plate 710 and all ejector pins 720, so that the ejector plate 710 and the ejector pins 720 can be reset after the plastic part 900 is ejected by the ejection mechanism, thereby ensuring that the ejector pins 720 and the ejector plate 710 can be accurately and quickly restored to their initial positions after each ejection operation, thereby ensuring the stability and accuracy of the ejection mechanism.

[0060] It should be noted that the reset mechanism 800 in this embodiment can be a slingshot, a cylinder, a limit switch, etc., and this embodiment does not make any specific limitations.

[0061] refer to Figure 6 , Figure 6 A rear view of an injection mold provided in one embodiment of the utility model.

[0062] In one embodiment of the utility model, a first through hole 320 is formed on the side wall of the bottom of the lower mold body 120, and the injection mold further includes a sensor 810, which is disposed on the ejector plate 710 through the first through hole 320. The sensor 810 is used to sense the position of the ejector plate 710, so as to determine whether the ejector plate 710 has returned to its original position, thereby ensuring that the ejection mechanism operates normally, promptly discovering and resolving potential problems, and ensuring production quality and stability.

[0063] It should be noted that the sensor in this embodiment may be a photoelectric sensor, a pressure sensor, a proximity switch, etc., and this embodiment does not impose any specific limitation.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0065] The above is a specific description of the preferred implementation of the present application, but the present application is not limited to the above-mentioned implementation mode. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the present application. These equivalent deformations or substitutions are all included in the scope defined by the claims of the present application.

Claims

1. An injection mold, characterized in that: include: An upper mold body and a lower mold body, wherein the upper mold body and the lower mold body abut against each other to form a mold cavity for product injection molding; A hole-opening mechanism comprises a driving mechanism, a hole-opening component and a component connecting part, wherein the hole-opening component comprises a first hole-opening component and a second hole-opening component, wherein the first hole-opening component and the second hole-opening component are symmetrically arranged on both sides of the component connecting part, and a connecting hole is provided at one end of the component connecting part inserted into the cavity, wherein the driving mechanism is used to drive the first hole-opening component and the second hole-opening component to be synchronously inserted into the connecting hole to form a hollow pore structure inside the plastic part, and the driving mechanism is also used to drive the first hole-opening component and the second hole-opening component to move out of the cavity after the product is injection molded, wherein the hole-opening component and the component connecting part are processed by wire cutting technology and coordinate grinding technology.

2. The injection mold according to claim 1, characterized in that: It also includes a glue injection port and a glue injection pipeline, wherein the glue injection port is arranged on the top of the upper mold body, the glue injection pipeline is embedded in the upper mold body, and the input end of the glue injection pipeline is connected to the glue injection port, and the output end of the glue injection pipeline is connected to the cavity.

3. The injection mold according to claim 1, characterized in that: A first mold base is disposed at the bottom of the upper mold body, and a second mold base is disposed at the top of the lower mold body. The first mold base and the second mold base are symmetrically arranged to form a mold cavity when the upper mold body and the lower mold body are abutted.

4. The injection mold according to claim 3, characterized in that: It also includes an ejector mechanism arranged in the lower mold body, the ejector mechanism includes an ejector plate and a plurality of ejectors, one end of each ejector is arranged on the ejector plate, and the other end passes through the second mold base to eject the injection-molded plastic part.

5. The injection mold according to claim 4, characterized in that: It also includes a reset mechanism, which is arranged on the ejector plate and is used to reset the ejector plate and the ejector.

6. The injection mold according to claim 4, characterized in that: A first through hole is formed on the side wall of the bottom of the lower mold body. The injection mold further comprises a sensor, which is arranged on the ejector plate through the first through hole. The sensor is used to sense the position of the ejector plate.

7. The injection mold according to claim 1, characterized in that: The upper mold body includes multiple layers of first mold plates, and the lower mold body includes multiple layers of second mold plates. Each layer of the first mold plates is connected by fixing screws, and each layer of the second mold plates is connected by fixing screws.

8. The injection mold according to claim 1, characterized in that: A second through hole is formed at the bottom of the upper mold body and the top of the lower mold body. The injection mold further comprises a positioning mechanism, which positions the upper mold body and the lower mold body through the second through hole.

9. The injection mold according to claim 1, characterized in that: The driving mechanism includes a first driving member and a second driving member, the first driving member is connected to the first hole opening member, the second driving member is connected to the second hole opening member, the first driving member is used to drive the first hole opening member to move along a first direction, and the second driving member is used to drive the second hole opening member to move along a second direction, wherein the first direction and the second direction are opposite.

10. The injection mold according to claim 1, characterized in that: The apertures of the first opening member, the second opening member and the connecting hole are all 0.005 mm.

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