Injection mold structure suitable for implanting multiple micro metal parts

By employing a detachable carrier plate and ejector mechanism in the injection mold, the problem of rapid implantation and molding of multiple micro-metal parts was solved, improving production efficiency and reducing costs.

CN121062140BActive Publication Date: 2026-04-17YTOP ELECTRONICS TECH (KUNSHAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YTOP ELECTRONICS TECH (KUNSHAN) CO LTD
Filing Date
2025-11-06
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing injection mold structures cannot guarantee the rapid implantation and molding of multiple micro-metal parts, resulting in low production efficiency and increased costs.

Method used

By adopting a detachable carrier plate structure and ejector pin mechanism, combined with a limiting slot and slide plate mechanism, it can realize the rapid insertion and demolding of multiple micro metal parts, reduce machine waiting time, and reduce investment in automation equipment.

Benefits of technology

It enables rapid implantation and molding of multiple micro-metal parts, improving production efficiency and reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of injection mold technology, specifically disclosing an injection mold structure suitable for the implantation of multiple micro-metal parts. The structure includes a lower mold plate and an upper mold plate, and injection mold cores respectively disposed within the lower and upper mold plates for injection molding the workpiece. It also includes a lower limiting plate, which is installed on the inner top of the lower mold plate. A base plate and a carrier plate are detachably placed inside the lower limiting plate. The carrier plate contains a lower mold core for placing multiple micro-metal particles. The base plate contains an ejector mechanism that inserts into the carrier plate, and the ejector mechanism ejects the workpiece. This injection mold structure suitable for the implantation of multiple micro-metal parts utilizes multiple replaceable carrier plate structures for rapid implantation and replacement of multiple micro-metal parts, and facilitates rapid ejection of the molded product. It reduces machine downtime, eliminates the need for automation, improves efficiency, and reduces costs.
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Description

Technical Field

[0001] This invention relates to the field of injection molding technology, and more particularly to the field of multi-micro-part implantation injection molding technology, specifically an injection mold structure suitable for implantation of multiple micro-metal parts. Background Technology

[0002] Electronic connectors are generally made of metal plates and metal particles as a whole. Their processing requires injection molding equipment for overall connection. Current injection molding equipment, especially for electronic products with high plastic requirements, generally uses recycled plastic from waste circuit boards for modification and reuse.

[0003] Circuit board plastics such as polypropylene (PP) can withstand temperatures up to 100-120℃, while polyimide (PI) can withstand temperatures up to 260℃. These materials are suitable for connectors to maintain stability under high-temperature soldering (such as lead-free solder at 260℃). They also have strong flame retardant properties and high dimensional stability. This not only reduces production costs and improves product quality, but also reduces production steps and increases production efficiency.

[0004] For example, the patent with authorization announcement number CN222115849U discloses a metal part encapsulating hard plastic injection molding device with a step-by-step automatic loading and unloading structure. Through an injection molding machine equipped with a turntable, a welding mold, a feeding mechanism, a first gripping mechanism, a transfer mechanism, and a second gripping mechanism, the automatic loading of metal parts, the unloading of injection molded parts (including the transfer of the welding mold filled with metal parts and injection molded parts) and injection molding can be carried out simultaneously. This realizes the automatic unloading of metal parts, avoiding the trouble of manual unloading. It can realize the simultaneous loading of multiple metal parts, improving processing efficiency. At the same time, it also avoids the situation where the metal parts are not accurately placed on the lower mold when multiple clamping components directly grip and transfer the metal parts in the fixture to the lower mold. This prevents the impact on subsequent injection molding and avoids the possibility of the metal parts falling on the lower mold and causing mold damage.

[0005] For example, patent application publication number CN117817966A discloses an injection mold for pre-embedding metal parts. The lower mold is provided with multiple pushing components, the ends of which are connected to the upper mold. A material storage component is slidably connected in the lower mold and is connected to the pushing components. This application, by providing multiple pushing components in the lower mold, the ends of which are connected to the upper mold, and a material storage component slidably connected in the lower mold and connected to the pushing components, enables the pre-made metal parts to be placed in the injection position during the lifting and lowering of the upper mold, thus avoiding the situation where workers put their hands into the mold to place the pre-made metal parts and get burned.

[0006] Based on the actual use of current injection molds, it has been found that the current mold structure mostly uses automated machinery to put metal parts in. However, when putting in a large number of small metal parts, it is not possible to guarantee stable alignment, resulting in low product handling efficiency, long molding time, and the use of automated machinery will greatly increase production costs and reduce production efficiency.

[0007] Therefore, we propose an injection mold structure suitable for the implantation of multiple micro-metal parts to solve the problems mentioned above. Summary of the Invention

[0008] The purpose of this invention is to provide an injection mold structure suitable for the implantation of multiple micro-metal parts, so as to solve the problem that the current injection mold structure mentioned in the background art cannot guarantee the rapid implantation and injection molding of multiple micro-metal parts, which is not conducive to improving production efficiency.

[0009] To achieve the above objectives, the present invention provides the following technical solution: an injection mold structure suitable for implanting multiple micro metal parts, comprising: a lower mold plate and an upper mold plate, and injection mold cores respectively disposed inside the lower mold plate and the upper mold plate for injection molding of workpieces;

[0010] Also includes:

[0011] The lower limit plate is installed on the inner top of the lower template, and a base plate and a carrier plate are detachably placed inside the lower limit plate.

[0012] An upper limit plate is fixedly installed on the inner bottom of the upper template, and an upper mold core is fixed inside the upper limit plate.

[0013] The carrier plate has a lower mold core for placing multiple micro metal particles inside, and the base plate has an ejector mechanism that inserts into the carrier plate to eject the workpiece.

[0014] Furthermore: the top side of the lower template is provided with a guide post for lifting and connecting the upper template, and the top of the upper template is provided with an injection port, which is connected to the upper limit plate and the casting channel opened inside the carrier plate and the upper mold core.

[0015] Furthermore: a fixing plate is fixedly connected to the bottom end of the lower limiting plate, the fixing plate is fixedly installed to the bottom of the lower template, and the bottom plate and the carrier plate are symmetrically stacked inside the lower limiting plate.

[0016] Furthermore: the lower mold core includes an intermediate positioning plate placed in the middle of the inner part of the carrier plate, an inner side plate symmetrically attached to the outer side of the intermediate positioning plate, an intermediate cavity plate, a front cavity plate and a rear cavity plate attached to the outer side of the inner side plate, and an outer side plate attached to the outer side of the intermediate cavity plate.

[0017] Furthermore: the workpiece includes a metal plate, metal particles, and a plastic plate. The metal plate is placed on the top surface of the carrier plate, and the metal particles are wrapped inside the metal plate. The metal particles are placed on the top of the cavity constructed by the middle cavity plate, the front cavity plate, and the rear cavity plate. The plastic plate is cast and filled between the metal plate and the metal particles.

[0018] Furthermore, the side of the carrier plate is inserted with a positioning rod for limiting the side of the metal plate. The lower mold core and the positioning rod are both engaged and connected to the bottom of the carrier plate, and are limited by the fastening between the bottom plate and the carrier plate.

[0019] Furthermore: the ejector mechanism includes a first ejector and a second ejector, the bottom ends of the first ejector and the second ejector are inserted through the interior of the base plate and protrude from the bottom of the base plate, the top ends of the first ejector and the second ejector are inserted into the interior of the carrier plate and are flush with the bottom surface of the workpiece, and a first return spring is sleeved on the outer side of the first ejector and connected between the first ejector and the carrier plate.

[0020] Furthermore: the base plate and the carrier plate are fastened together by a fixing bolt, the bottom end of the fixing bolt is inserted into the inner side of the lower limiting plate, and a limiting groove is opened on the side of the bottom end of the fixing bolt. A limiting mechanism located inside the lower limiting plate is provided on the outer side of the limiting groove.

[0021] Furthermore: the limiting mechanism includes:

[0022] A sliding plate, which is installed inside the lower limit plate and slides left and right.

[0023] A limiting block is fixedly installed on the top of the slide plate and is correspondingly inserted and engaged with the limiting slot;

[0024] A protruding plate, which is integrally protruding from the left side of the limiting slot;

[0025] A push plate is provided on the left side of the protruding plate, and a telescopic rod fixed inside the lower limit plate is connected to the inner side of the push plate.

[0026] Furthermore, the skateboard is symmetrically slidably connected to a guide rod fixed inside the lower limit plate, and a second return spring is sleeved on the outside of the guide rod, connecting the skateboard and the lower limit plate.

[0027] Compared with the prior art, the present invention has at least the following beneficial effects: the injection mold structure suitable for implanting multiple micro metal parts adopts multiple sets of replaceable carrier plate structures for rapid implantation and replacement of multiple micro metal parts, and facilitates rapid ejection of molded products, which can reduce machine waiting time, eliminate the need for automation, improve efficiency and reduce costs.

[0028] 1. This solution includes a base plate and a carrier plate. The base plate and carrier plate are detachable within the lower limit plate. After injection molding is performed by closing the mold between the carrier plate and the upper mold core, the mold core can be quickly replaced by disassembly to quickly insert metal parts, thus facilitating rapid processing and production.

[0029] 2. This solution includes a first ejector pin, a second ejector pin, and a first return spring. The first and second ejector pins are inserted into the base plate and the carrier plate, allowing the tops of the first and second ejector pins to fit against the bottom surface of the workpiece, preventing the glue from flowing down during injection. At the same time, by directly pushing the bottoms of the first and second ejector pins, the workpiece can be quickly demolded. The first return spring allows the first and second ejector pins to quickly return to their original positions for repeated injection molding.

[0030] 3. This solution includes a limiting slot, a sliding plate, and a limiting block, which are extended from the fixing bolt. The locking block and the limiting slot can lock the fixing bolt, facilitating quick and stable locking of the base plate and the carrier plate. Furthermore, a lifting spring installed at the bottom of the fixing bolt allows the base plate and the carrier plate to pop out quickly and easily. Attached Figure Description

[0031] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0032] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the present invention;

[0034] Figure 3 This is a schematic diagram of the overall exploded structure of the present invention;

[0035] Figure 4 This is an exploded structural diagram of the upper mold core of the present invention;

[0036] Figure 5 This is a schematic diagram of the overall structure of the workpiece of the present invention;

[0037] Figure 6 This is a schematic diagram of the side cross-sectional structure of the base plate and the carrier plate of the present invention;

[0038] Figure 7 This is an exploded structural diagram of the lower mold core of the present invention;

[0039] Figure 8 This is an exploded structural diagram of the base plate and carrier plate of the present invention;

[0040] Figure 9 This is a side cross-sectional view of the lower limiting plate and the bottom plate of the present invention;

[0041] Figure 10 This is a schematic diagram of the top cross-sectional structure of the lower limiting plate of the present invention;

[0042] Figure 11 For the present invention Figure 10 A magnified structural diagram at point A.

[0043] In the diagram: 1. Lower mold plate; 2. Upper mold plate; 3. Guide pillar; 4. Injection port; 5. Fixing plate; 6. Lower limit plate; 7. Base plate; 8. Carrier plate; 9. Upper limit plate; 10. Upper mold core; 11. Workpiece; 1101. Metal plate; 1102. Metal pellet; 1103. Plastic plate; 12. First ejector pin; 13. Second ejector pin; 14. First return spring; 15. Lower mold core; 1501. Intermediate positioning. 1502. Inner plate; 1503. Middle cavity plate; 1504. Front cavity plate; 1505. Rear cavity plate; 1506. Outer plate; 16. Casting channel; 17. Alignment rod; 18. Fixing bolt; 19. Lifting spring; 20. Limiting slot; 21. Slide plate; 22. Limiting block; 23. Protruding plate; 24. Push plate; 25. Telescopic rod; 26. Guide rod; 27. Second reset spring. Detailed Implementation

[0044] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0045] To address the problem that current injection mold structures cannot guarantee the rapid insertion and molding of multiple micro-metal parts, thus hindering production efficiency.

[0046] Please see Figures 1-11The present invention provides the following technical solution: an injection mold structure suitable for implanting multiple micro metal parts, comprising: a lower mold plate 1, an upper mold plate 2, a guide post 3, a glue injection port 4, a fixing plate 5, a lower limiting plate 6, a base plate 7, a carrier plate 8, an upper limiting plate 9, an upper mold core 10, a workpiece 11, a metal plate 1101, a metal particle 1102, a plastic plate 1103, a first ejector pin 12, a second ejector pin 13, a first return spring 14, a lower mold core 15, a middle positioning plate 1501, an inner side plate 1502, a middle cavity plate 1503, a front cavity plate 1504, a rear cavity plate 1505, an outer side plate 1506, a gating channel 16, an alignment rod 17, a fixing bolt 18, a lifting spring 19, a limiting slot 20, a sliding plate 21, a limiting block 22, a protruding plate 23, a push plate 24, a telescopic rod 25, a guide rod 26, and a second return spring 27;

[0047] Among them: such as Figure 1 , Figure 2 , Figure 3 and Figure 6 In the middle, injection mold cores for injection molding workpiece 11 are respectively set inside the lower mold plate 1 and the upper mold plate 2; the top side of the lower mold plate 1 is provided with guide post 3 for lifting and connecting the upper mold plate 2; the lower limit plate 6 is installed on the inner top of the lower mold plate 1; the bottom end of the lower limit plate 6 is fixedly connected to the fixing plate 5; the fixing plate 5 is fixedly installed to the bottom of the lower mold plate 1; the bottom plate 7 and the carrier plate 8 are symmetrically stacked inside the lower limit plate 6; the bottom plate 7 and the carrier plate 8 are detachably placed inside the lower limit plate 6; the upper limit plate 9 is fixedly installed on the inner bottom of the upper mold plate 2; the upper mold core 10 is fixed inside the upper limit plate 9; the top of the upper mold plate 2 is provided with injection port 4; the injection port 4 passes through the upper limit plate 9 and is connected to the pouring channel 16 opened inside the carrier plate 8 and the upper mold core 10.

[0048] In specific application scenarios, the lower mold plate 1 and the upper mold plate 2 are closed by the extension and retraction of the guide pillar 3, so as to facilitate the injection of glue through the injection port 4. The metal parts are placed on the surface of the carrier plate 8. After the placement is completed, the bottom plate 7 and the carrier plate 8 are placed into the interior of the lower limit plate 6. After the mold is closed, a mold cavity is formed between the carrier plate 8 and the upper mold core 10. During injection molding, the glue is injected through the injection port 4 to connect the gating channel 16, so as to connect the metal parts in one piece and complete the product molding.

[0049] The above technical solution is adopted: metal parts are placed in the base plate 7 and carrier plate 8 inside the lower limit plate 6, which can be disassembled and assembled, so as to quickly complete the implantation of metal parts and quickly form the product after mold closing.

[0050] Among them: such as Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 and Figure 8In the middle, the carrier plate 8 has a lower mold core 15 for placing multiple micro metal particles inside. The lower mold core 15 includes a middle positioning plate 1501 placed in the middle of the carrier plate 8. The outer side of the middle positioning plate 1501 is symmetrically fitted with an inner side plate 1502. The outer side of the inner side plate 1502 is fitted with a middle cavity plate 1503, a front cavity plate 1504, and a rear cavity plate 1505. The outer side of the middle cavity plate 1503 is fitted with an outer side plate 1506. The workpiece 11 includes a metal plate 1101, metal particles 1102, and a plastic plate 1103. 1101 is placed on the top surface of the carrier plate 8. The metal plate 1101 is wrapped inside the outer side of the metal particles 1102. The metal particles 1102 are placed on the top of the cavity constructed by the middle cavity plate 1503, the front cavity plate 1504 and the rear cavity plate 1505. The plastic plate 1103 is cast and filled between the metal plate 1101 and the metal particles 1102. The side of the carrier plate 8 is inserted with the alignment rod 17 for limiting the side of the metal plate 1101. The lower mold core 15 and the alignment rod 17 are both engaged and connected to the bottom of the carrier plate 8, and are limited by the fastening between the bottom plate 7 and the carrier plate 8.

[0051] In specific application scenarios, the product includes the structure shown in workpiece 11, which is formed by connecting metal plate 1101 and metal pellets 1102 together through plastic plate 1103. For different products, the lower mold core 15 is installed inside the carrier plate 8. The intermediate positioning plate 1501, inner side plate 1502, intermediate cavity plate 1503, front cavity plate 1504, rear cavity plate 1505 and outer side plate 1506 are assembled from the bottom of the carrier plate 8 and inserted into the interior of the carrier plate 8. Through the interlocking between the bottom edges of the intermediate positioning plate 1501, inner side plate 1502, intermediate cavity plate 1503, front cavity plate 1504, rear cavity plate 1505 and outer side plate 1506 and the carrier plate 8, the bottom plate 7 is attached to the carrier plate 8. After the bottom plate 7 is pressed and positioned by the carrier plate 8, it can ensure that the lower mold core 15 is positioned. Before injection molding, metal particles 1102 are placed in the cavity formed by the tops of the intermediate cavity plate 1503, the front cavity plate 1504, and the rear cavity plate 1505. Metal plate 1101 is placed on the top surface of the carrier plate 8, so that the side of the metal plate 1101 is engaged with the top of the alignment rod 17 inserted inside the carrier plate 8, and the metal plate 1101 is placed on the outside of the metal particles 1102. After placement, the base plate 7 and the carrier plate 8 are placed inside the lower limiting plate 6. After the upper mold plate 2 and the lower mold plate 1 are closed, the glue is injected into the gating channel 16 through the glue injection port 4 so that the glue enters the outside of the metal plate 1101 and the metal particles 1102 through the gating channel 16, thus completing the injection molding of the plastic plate 1103.

[0052] The above technical solution allows for the quick placement of numerous small metal particles 1102 via a detachable lower mold core 15, while also facilitating the positioning of the metal plate 1101. This enables the direct replacement of the base plate 7 and the carrier plate 8 for product injection molding and shaping.

[0053] Among them: such as Figure 3 , Figure 6 and Figure 8 In the middle, the base plate 7 is provided with a ejector mechanism that is inserted into the carrier plate 8. The ejector mechanism is used to eject the workpiece 11. The ejector mechanism includes a first ejector 12 and a second ejector 13. The bottom ends of the first ejector 12 and the second ejector 13 penetrate into the interior of the base plate 7 and protrude from the bottom of the base plate 7. The top ends of the first ejector 12 and the second ejector 13 are inserted into the interior of the carrier plate 8 and are flush with the bottom surface of the workpiece 11. A first return spring 14 is sleeved on the outside of the first ejector 12 and connected between the first ejector 12 and the carrier plate 8.

[0054] In specific application scenarios, after the forming process of workpiece 11 is completed, the bottom plate 7 and the carrier plate 8 are directly removed by separating the lower template 1 and the upper template 2. They can be placed directly on the table. By pressing down, the bottom ends of the first ejector pin 12 and the second ejector pin 13, which penetrate to the bottom surface of the bottom plate 7, are pushed up, causing the top ends of the first ejector pin 12 and the second ejector pin 13 to slide up and push out the workpiece 11, thereby completing the separation and removal of the workpiece 11 from the carrier plate 8. After the workpiece 11 is removed, the first ejector pin 12 is slid down and reset by the elastic action of the second ejector pin 13, which is sleeved on the outside of the first ejector pin 12 and connected between the first ejector pin 12 and the carrier plate 8. The second ejector pin 13 can be slid down and reset directly based on gravity, or a first reset spring 14 can be installed on the outside of the second ejector pin 13 for reset, so that the metal particles 1102 and the metal plate 1101 can be placed again and processed cyclically.

[0055] The above technical solution facilitates the rapid ejection of molded products. By combining multiple sets of base plates 7 and carrier plates 8, machine waiting time can be reduced, automation can be eliminated, efficiency can be improved, and costs can be reduced.

[0056] Among them: such as Figure 9 , Figure 10 and Figure 11In the middle, the base plate 7 and the carrier plate 8 are fastened together by a fixing bolt 18. The bottom end of the fixing bolt 18 is inserted into the inner side of the lower limit plate 6, and a limit groove 20 is formed on the side of the bottom end of the fixing bolt 18. A limit mechanism located inside the lower limit plate 6 is provided on the outer side of the limit groove 20. The limit mechanism includes: a sliding plate 21, a limit block 22, a protruding plate 23, a push plate 24, a telescopic rod 25, a guide rod 26, and a second return spring 27. The sliding plate 21 is slidably installed inside the lower limit plate 6. The limit block 25... 2. It is fixedly installed on the top of the slide plate 21 and is correspondingly inserted and engaged with the limiting slot 20. The protruding plate 23 is integrally protruding on the left side of the limiting slot 20. The push plate 24 is located on the left side of the protruding plate 23. The inner side of the push plate 24 is connected to the telescopic rod 25 fixed inside the lower limiting plate 6. The inside of the slide plate 21 is symmetrically slidably connected to the guide rod 26 fixed inside the lower limiting plate 6. The outer side of the guide rod 26 is sleeved with a second return spring 27 connected between the slide plate 21 and the lower limiting plate 6.

[0057] In specific application scenarios, the bottom end of the fixing bolt 18 is extended downwards. After the base plate 7 and the carrier plate 8 are placed inside the lower limit plate 6, the fixing bolt 18 is directly inserted into the bottom surface of the lower limit plate 6. By pressing down, the top surface of the carrier plate 8 is flush with the top surface of the lower limit plate 6. At this time, the bottom end of the fixing bolt 18 compresses the lifting spring 19 to retract. Inside the lower limit plate 6, under the elastic action of the second return spring 27 sleeved on the outside of the guide rod 26, the slide plate 21 is ejected outward along the guide rod 26. This causes the limiting block 22, which is integrally fixed at the end of the slide plate 21, to engage with the limiting slot 20 opened on the inner side of the bottom of the fixing bolt 18, thereby securing the fixing bolt 18. 8 is limited to ensure the stable placement of the base plate 7 and the carrier plate 8 inside the lower limit plate 6, so as to ensure the stability of the injection molding process. After the injection molding is completed, the retraction of the telescopic rod 25 inside the lower limit plate 6 drives the push plate 24 fixed at the top of the telescopic rod 25 to slide, so that the push plate 24 squeezes the protruding plate 23. Through the inclined structure of its contact surface, it ensures the overall pushing effect on the protruding plate 23 and the slide plate 21, so that the limit block 22 and the limit slot 20 are disengaged. At this time, the lifting spring 19 at the bottom of the fixing bolt 18 automatically rebounds under the elastic action, which can push the base plate 7 and the carrier plate 8 out as a whole, so as to facilitate the quick removal and replacement of the base plate 7 and the carrier plate 8.

[0058] The above technical solution facilitates the stable positioning of the base plate 7 and the carrier plate 8 after placement, ensuring the stability of the injection molding process. It also facilitates rapid ejection, easy replacement, and improves production efficiency.

[0059] Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention; the contents not described in detail in this specification belong to the prior art known to those skilled in the art; in addition, the directional terms such as up, down, left, right, front, and back in the text only represent their relative positions and not absolute positions.

[0060] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0061] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An injection mold structure suitable for implanting multiple micro-metal parts, comprising: The lower template (1) and the upper template (2), and the injection mold cores respectively set inside the lower template (1) and the upper template (2) for injection molding of the workpiece (11); Its characteristic is that it further includes: The lower limit plate (6) is installed on the inner top of the lower template (1). The bottom plate (7) and the carrier plate (8) are disassembled and placed inside the lower limit plate (6). Upper limit plate (9), the upper limit plate (9) is fixedly installed on the inner bottom of the upper template (2), and the upper mold core (10) is fixed inside the upper limit plate (9). The carrier plate (8) is provided with a lower mold core (15) for placing multiple micro metal particles, and the base plate (7) is provided with an ejector mechanism that is inserted into the carrier plate (8). The ejector mechanism is used to eject the workpiece (11). The lower mold core (15) includes an intermediate positioning plate (1501) placed in the middle of the inner part of the carrier plate (8). An inner side plate (1502) is symmetrically attached to the outer side of the intermediate positioning plate (1501). An intermediate cavity plate (1503), a front cavity plate (1504), and a rear cavity plate (1505) are attached to the outer side of the inner side plate (1502). An outer side plate (1506) is attached to the outer side of the intermediate cavity plate (1503). The workpiece (11) includes a metal plate (1101), metal particles (1102) and a plastic plate (1103). The metal plate (1101) is placed on the top surface of the carrier plate (8). The metal particles (1102) are wrapped inside the metal plate (1101). The metal particles (1102) are placed on the top of the cavity constructed by the middle cavity plate (1503), the front cavity plate (1504) and the rear cavity plate (1505). The plastic plate (1103) is cast and filled between the metal plate (1101) and the metal particles (1102).

2. The injection mold structure for implanting multiple micro-metal parts according to claim 1, characterized in that: The top side of the lower template (1) is provided with a guide post (3) for lifting and connecting the upper template (2). The top of the upper template (2) is provided with an injection port (4). The injection port (4) is connected to the upper limit plate (9) and the pouring channel (16) opened inside the carrier plate (8) and the upper mold core (10).

3. The injection mold structure for implanting multiple micro-metal parts according to claim 1, characterized in that: The bottom end of the lower limiting plate (6) is fixedly connected to a fixing plate (5), and the fixing plate (5) is fixedly installed to the bottom of the lower template (1). The bottom plate (7) and the carrier plate (8) are symmetrically stacked inside the lower limiting plate (6).

4. The injection mold structure suitable for implanting multiple micro-metal parts according to claim 1, characterized in that: The side of the carrier plate (8) is inserted with a positioning rod (17) for limiting the side of the metal plate (1101). The lower mold core (15) and the positioning rod (17) are both engaged and connected to the bottom of the carrier plate (8), and are limited by the fastening between the bottom plate (7) and the carrier plate (8).

5. The injection mold structure for implanting multiple micro-metal parts according to claim 1, characterized in that: The ejector mechanism includes a first ejector (12) and a second ejector (13). The bottom ends of the first ejector (12) and the second ejector (13) are inserted through the interior of the base plate (7) and protrude from the bottom of the base plate (7). The top ends of the first ejector (12) and the second ejector (13) are inserted into the interior of the carrier plate (8) and are flush with the bottom surface of the workpiece (11). A first return spring (14) is sleeved on the outer side of the first ejector (12) and connected between the first ejector (12) and the carrier plate (8).

6. The injection mold structure for implanting multiple micro-metal parts according to claim 1, characterized in that: The base plate (7) and the carrier plate (8) are fastened together by a fixing bolt (18). The bottom end of the fixing bolt (18) is inserted into the inner side of the lower limiting plate (6), and a limiting slot (20) is opened on the side of the bottom end of the fixing bolt (18). A limiting mechanism located inside the lower limiting plate (6) is provided on the outer side of the limiting slot (20).

7. The injection mold structure for implanting multiple micro-metal parts according to claim 6, characterized in that: The limiting mechanism includes: The sliding plate (21) is installed inside the lower limit plate (6) and slides left and right. Limiting block (22), the limiting block (22) is fixedly installed on the top of the slide plate (21) and is correspondingly inserted and engaged with the limiting slot (20); A protruding plate (23) is integrally protruding from the left side of the limiting slot (20); Push plate (24), which is located on the left side of protruding plate (23), and the inner side of push plate (24) is connected to telescopic rod (25) fixed inside the lower limit plate (6).

8. The injection mold structure for implanting multiple micro-metal parts according to claim 7, characterized in that: The inside of the slide plate (21) is symmetrically slidably connected to a guide rod (26) fixed inside the lower limit plate (6), and the outside of the guide rod (26) is fitted with a second return spring (27) connecting the slide plate (21) and the lower limit plate (6).

Citation Information

Patent Citations

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