Engine resonant cavity plastic part mold with anti-blocking function

By designing anti-clogging components and venting structure, the problem of clogging at the injection port of the engine resonant cavity mold was solved, improving the injection flow effect and mold positioning, thereby increasing processing quality and production efficiency.

CN223589973UActive Publication Date: 2025-11-25WUXI GUOMAI PRECISION TECH CO LTD
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Patent Information

Application Number
CN202423311245.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-25
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the injection molding process, the injection port of the mold for the engine resonant cavity is prone to blockage, which affects the injection molding effect.

Method used

A mold for an engine resonant cavity with anti-clogging function was designed. It dissipates waste heat through thermal energy conversion, uses anti-clogging components to drive the anti-clogging and unblocking rod to rotate and unblock the injection groove, and combines the exhaust hole to expel gas. The anti-detachment component ensures that the mold is stably positioned and prevents it from falling off.

Benefits of technology

It effectively prevents clogging of the injection port, improves the injection flow effect, ensures the stable positioning of the mold on the injection molding machine, and improves processing quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The engine resonant cavity plastic part mold with the anti-blocking function comprises a bottom plate, a guide rod is installed in the bottom plate, the outer wall of the guide rod is connected with an upper plate in a clamped mode, an ejector pin is installed in the bottom plate, one end of the ejector pin is fixedly connected with an ejector pin fixing plate, and the other end of the ejector pin fixing plate is fixedly connected with a lower plate. An ejector pin guide rod is fixedly connected to the top of the ejector pin fixing plate, a compression spring is arranged outside the ejector pin, an injection mold plate is installed in the bottom plate in a clamped mode, an anti-disengaging assembly is installed on the top of the upper plate in a clamped mode, an anti-blocking assembly is installed on the outer wall of the bottom plate, and a flow guide plate is fixedly connected to the bottom of the upper plate. According to the engine resonant cavity plastic part mold with the anti-blocking function, waste heat is dredged through heat energy conversion, so that the anti-blocking assembly is driven to dredge the position of the injection molding groove, accumulation and blockage are reduced, liquid in the liquid storage barrel is re-evaporated through heat energy, and an internal structure is driven to movably dredge through thermal expansion and cold contraction.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engine resonance cavity plastic part mould technical field, concretely is a kind of engine resonance cavity plastic part mould with anti-blocking function. BACKGROUND

[0002] The application publication number CN118493780B, the application publication date 2024.12.03, the name is "a kind of plastic part injection mold" invention patent, the invention relates to injection mold technical field, specifically discloses a kind of plastic part injection mold, including base, the base is installed with movable die and fixed die, and movable die is provided with the die for injection molding plastic cover between fixed die and movable die, the first forming cavity inside is provided with first ejector rod, the second forming cavity inside is provided with second ejector rod;The movable die is also slidably connected with compression assembly, and the compression assembly is drivingly connected between movable die and movable die, and the base is provided with the driving part for driving movable die sliding between movable die.The transmission mechanism drives cover combination to rotate until cover combination is closed on bearing part, at this moment, hinged part is not in the state of unfolding, when subsequent processing of plastic cover is needed, greatly protects the effect of hinged part, avoids the separation condition caused by the fracture between bearing part and cover combination, and movable die continuously slides and ejects bearing part and cover combination together, so that blanking can be realized.

[0003] In the prior art including the above patent, the engine resonance cavity plastic part injection mold is in the raw material injection production process, because the injection port is small, the injection amount is more, the injection port will be blocked, so as to produce injection port leakage, affect injection operation, so a kind of engine resonance cavity plastic part mould with anti-blocking function needs to be designed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of engine resonance cavity plastic part mould with anti-blocking function to solve the problem of injection port blockage affecting injection effect in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of engine resonance cavity plastic part mould with anti-blocking function, including bottom plate, the inside of the bottom plate is installed with guide rod, the outer wall of the guide rod is engaged and connected with upper plate, the inside of the bottom plate is installed with thimble, one end of the thimble is fixedly connected with thimble fixed plate, the top of the thimble fixed plate is fixedly connected with thimble guide rod, the outside of the thimble is provided with compression spring, the inside of the bottom plate is engaged and installed with injection mold plate, the top of the upper plate is engaged and installed with anti-drop assembly, the outer wall of the bottom plate is installed with anti-blocking assembly, the bottom of the upper plate is fixedly connected with deflector.

[0006] Further, the sidewall of the bottom plate is provided with exhaust hole, and the anti-blocking assembly is connected with the exhaust hole.

[0007] Further, the inside of the anti-drop assembly comprises a positioning ring, an outer ring, a pressure spring and an anti-drop block, the top of the upper plate is embeddedly installed with the positioning ring, the top of the upper plate is fixedly connected with the outer ring, the inner wall of the outer ring is fixedly connected with the pressure spring, and one end of the pressure spring is fixedly connected with the anti-drop block.

[0008] Further, the top of the outer ring is provided with a groove, and the pressure spring is arranged on the inner wall of the groove, and the anti-drop block is symmetrically installed above the outer ring.

[0009] Further, the inside of the anti-clogging assembly comprises a sealing bin, a liquid storage cylinder, a piston, a movable rod, a connecting shaft, a threaded rod, a threaded cylinder, an anti-clogging dredging rod and an air pipe, the inside of the bottom plate is fixedly connected with the sealing bin, the inside of the sealing bin is fixedly connected with the liquid storage cylinder, the inside of the sealing bin is slidably installed with the piston, the top of the piston is installed with the movable rod, one end of the movable rod is installed with the connecting shaft, one end of the movable rod is installed with the threaded rod through the connecting shaft, the inside of the sealing bin is slidably installed with the threaded cylinder, one end of the threaded cylinder is fixedly connected with the anti-clogging dredging rod, and the top of the sealing bin is fixedly connected with the air pipe.

[0010] Further, the threaded rod is in threaded connection with the threaded cylinder, and the anti-clogging dredging rod is located in the discharging groove of the guide plate.

[0011] Further, the injection mold plate is in the shape of an engine resonance cavity plastic part, and the exhaust hole of the injection mold plate is connected with the air pipe.

[0012] Compared with the prior art, the engine resonance cavity plastic part mold with the anti-clogging function has the following advantages:

[0013] (1) By converting heat energy, the waste heat is dredged, so that the anti-clogging assembly dredges the position of the injection slot, reduces the accumulation and blockage, and the exhaust hole arranged on the side wall of the bottom plate can discharge the air in the injection cavity and the water vapor generated by the plastic raw materials under high temperature, the gas generated by the decomposition of the plastic, and the like, and the anti-clogging assembly can transport the heat energy to the inside of the sealing bin, re-evaporate the liquid in the liquid storage cylinder by using the heat energy, make the piston move in the sealing bin by thermal expansion and cold contraction, drive the movable rod to push, and then drive the threaded rod to push forward, so that the threaded cylinder is driven by the threaded connection to rotate, and the anti-clogging dredging rod rotates in the injection slot to dredge, so that the flow effect is better, and the raw materials are prevented from being blocked in the injection port position after cooling;

[0014] (2) The positioning effect of the injection molding machine is increased through the positioning ring, the correct positioning and stable fixing of the mold on the injection molding machine are ensured, the processing quality and production efficiency of the engine resonance cavity plastic part are ensured, the anti-dropping block is driven to slide to the middle by the nozzle of the injection molding machine under the pressure, the inner side of the outer ring is provided with a pressure spring structure, the pressure of the pressure spring is used for resisting and pressurizing and fixing the injection molding machine barrel, the mold is prevented from falling off, the connection between the injection molding port and the mold is more firm, the risk of mold falling is reduced, and the anti-skid effect is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall view of the utility model;

[0016] Figure 2 It is the structure schematic view of the injection molding template and the bottom plate of the utility model;

[0017] Figure 3 It is the structure schematic view of the guide plate and the upper plate connecting structure of the utility model;

[0018] Figure 4 It is the structure schematic view of the anti-blocking assembly of the utility model;

[0019] Figure 5 It is the structure schematic view of the anti-dropping assembly of the utility model.

[0020] In the drawing: 1, bottom plate; 2, guide rod; 3, upper plate; 4, thimble; 5, thimble fixed plate; 6, thimble guide rod; 7, compression spring; 8, injection molding template; 9, anti-dropping assembly; 901, positioning ring; 902, outer ring; 903, pressure spring; 904, anti-dropping block; 10, anti-blocking assembly; 1001, sealing bin; 1002, liquid storage cylinder; 1003, piston; 1004, movable rod; 1005, connecting shaft; 1006, threaded rod; 1007, threaded cylinder; 1008, anti-blocking dredging rod; 1009, air pipe; 11, guide plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0023] Embodiment 1:

[0024] The utility model provides an engine resonant cavity plastic part mould with anti -blocking function, including bottom plate 1, the inside installation of bottom plate 1 has guide rod 2, and the outer wall of guide rod 2 is clamped and is connected with upper plate 3, and the inside installation of bottom plate 1 has thimble 4, and one end fixed connection of thimble 4 has thimble fixed plate 5, and the top fixed connection of thimble fixed plate 5 has thimble guide rod 6, and the outside of thimble 4 is provided with compression spring 7, and the inside clamping installation of bottom plate 1 has injection mould plate 8, and the top clamping installation of upper plate 3 has anti -drop assembly 9, and the outer wall of bottom plate 1 is installed with anti -blocking assembly 10, and the bottom fixed connection of upper plate 3 has deflector 11.

[0025] The above structure converts waste heat into heat energy and dredges the waste heat, so that the anti-blocking assembly 10 dredges the injection slot position, reduces accumulation and stagnation, and the exhaust hole arranged on the side wall of the bottom plate 1 reuses the exhaust gas and reduces heat energy consumption.

[0026] Further, the side wall of the bottom plate 1 is provided with an exhaust hole, and the anti-blocking assembly 10 is connected with the exhaust hole.

[0027] The above structure utilizes the exhaust hole arranged on the side wall of the bottom plate 1 to discharge air in the injection cavity and water vapor generated by the plastic raw materials at high temperature and gas generated by the decomposition of the plastic during injection.

[0028] Further, the anti-drop assembly 9 includes a positioning ring 901, an outer ring 902, a pressure spring 903, and an anti-drop block 904, the top of the upper plate 3 is embeddedly installed with the positioning ring 901, the top of the upper plate 3 is fixedly connected with the outer ring 902, the inner wall of the outer ring 902 is fixedly connected with the pressure spring 903, one end of the pressure spring 903 is fixedly connected with the anti-drop block 904, the top of the outer ring 902 is provided with a groove, the pressure spring 903 is arranged on the inner wall of the groove, and the anti-drop block 904 is symmetrically installed above the outer ring 902.

[0029] The above structure increases the positioning effect of the injection molding machine by the positioning ring 901, can ensure the correct positioning and stable fixation of the mold on the injection molding machine, and ensure the processing quality and production efficiency of the engine resonant cavity plastic part.

[0030] Further, the inside of the anti-blocking assembly 10 comprises a sealing bin 1001, a liquid storage cylinder 1002, a piston 1003, a movable rod 1004, a connecting shaft 1005, a threaded rod 1006, a threaded cylinder 1007, an anti-blocking dredging rod 1008 and an air pipe 1009, the inside of the bottom plate 1 is fixedly connected with the sealing bin 1001, the inside of the sealing bin 1001 is fixedly connected with the liquid storage cylinder 1002, the inside of the sealing bin 1001 is slidably installed with the piston 1003, the top of the piston 1003 is installed with the movable rod 1004, one end of the movable rod 1004 is installed with the connecting shaft 1005, one end of the movable rod 1004 is installed with the threaded rod 1006 through the connecting shaft 1005, the inside of the sealing bin 1001 is slidably installed with the threaded cylinder 1007, one end of the threaded cylinder 1007 is fixedly connected with the anti-blocking dredging rod 1008, the top of the sealing bin 1001 is fixedly connected with the air pipe 1009, the threaded rod 1006 is in threaded connection with the threaded cylinder 1007, the anti-blocking dredging rod 1008 is located in the discharging groove of the guide plate 11, the injection mold plate 8 is in the shape of an engine resonance cavity plastic part, and the exhaust hole of the injection mold plate 8 is connected with the air pipe 1009.

[0031] The above structure converts heat energy and dredges the remaining heat, so as to drive the anti-blocking assembly 10 to dredge the injection molding groove position and reduce the accumulation and jam.

[0032] Working principle: in use, first, the bottom plate 1 and the upper plate 3 of the mold are assembled, so that the upper and lower plates are butted through the guide rod 2, the thimble 4 is butted and installed in the hole in the bottom plate 1 in sequence, so that the injection mold plate 8 is butted to form a complete engine resonance cavity plastic part injection cavity shape;

[0033] Secondly, the positioning ring 901 increases the positioning effect of the injection molding machine, can ensure the correct positioning and stable fixation of the mold on the injection molding machine, ensure the processing quality and production efficiency of the engine resonance cavity plastic part, the anti-falling block 904 is driven to slide to the middle by the pressing force of the injection molding machine nozzle, the inner side of the outer ring 902 is provided with a pressure spring 903 structure, the pressure of the pressure spring 903 is used for resisting and pressurizing and fixing the injection molding machine cylinder, preventing the mold from falling off, making the injection port and the mold more firmly connected, reducing the risk of mold falling off, increasing the anti-skid effect, and then using the injection molding machine to inject molten liquid into the mold;

[0034] Finally, through heat conversion, the waste heat is dredged, thereby driving the anti-blocking assembly 10 to dredge the injection slot position, reducing the accumulation and jamming, and the exhaust holes arranged on the side wall of the bottom plate 1 can exhaust the air in the injection cavity and the water vapor generated by the plastic raw materials at high temperature, the gas generated by the decomposition of the plastic, etc., which are transported by the anti-blocking assembly 10, to transport the heat energy into the sealed bin 1001, to re-evaporate the liquid in the liquid storage cylinder 1002 by using the heat energy, to make the piston 1003 move in the sealed bin 1001 due to thermal expansion and cold contraction, to drive the movable rod 1004 to push, thereby driving the threaded rod 1006 to push forward, to drive the threaded cylinder 1007 to rotate by the threaded connection, to drive the anti-blocking dredging rod 1008 to rotate and dredge in the injection slot, to make the flow effect better, and to prevent the raw materials from being blocked in the injection port position after cooling.

[0035] It is apparent for a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. An engine resonant cavity plastic part mold with anti-blocking function, comprising a bottom plate (1), characterized in that: The inside of the bottom plate (1) is provided with a guide rod (2), the outer wall of the guide rod (2) is clamped and connected with an upper plate (3), the inside of the bottom plate (1) is provided with a thimble (4), one end of the thimble (4) is fixedly connected with a thimble fixing plate (5), the top of the thimble fixing plate (5) is fixedly connected with a thimble guide rod (6), the outside of the thimble (4) is provided with a compression spring (7), the inside of the bottom plate (1) is clamped and provided with an injection mold plate (8), the top of the upper plate (3) is clamped and provided with an anti-dropping assembly (9), the outer wall of the bottom plate (1) is provided with an anti-blocking assembly (10), and the bottom of the upper plate (3) is fixedly connected with a flow guide plate (11).

2. The engine resonant cavity plastic part mold with anti-blocking function according to claim 1, characterized in that: The sidewall of the bottom plate (1) is provided with an exhaust hole, and the anti-blocking assembly (10) is connected with the exhaust hole.

3. The engine resonant cavity plastic part mold with anti-blocking function according to claim 1, characterized in that: The inside of the anti-dropping assembly (9) comprises a positioning ring (901), an outer ring (902), a pressure spring (903) and an anti-dropping block (904), the top of the upper plate (3) is embeddedly provided with the positioning ring (901), the top of the upper plate (3) is fixedly connected with the outer ring (902), the inner wall of the outer ring (902) is fixedly connected with the pressure spring (903), and one end of the pressure spring (903) is fixedly connected with the anti-dropping block (904).

4. The engine resonant chamber plastic part mold with anti-blocking function according to claim 3, characterized in that: The top of the outer ring (902) is provided with a groove, and the pressure spring (903) is arranged on the inner wall of the groove, and the anti-dropping block (904) is symmetrically arranged above the outer ring (902).

5. The engine resonant chamber plastic part mold with anti-blocking function according to claim 1, characterized in that: The inside of the anti-blocking assembly (10) comprises a sealing bin (1001), a liquid storage cylinder (1002), a piston (1003), a movable rod (1004), a connecting shaft (1005), a threaded rod (1006), a threaded cylinder (1007), an anti-blocking dredging rod (1008) and an air pipe (1009), the inside of the bottom plate (1) is fixedly connected with the sealing bin (1001), the inside of the sealing bin (1001) is fixedly connected with the liquid storage cylinder (1002), the inside of the sealing bin (1001) is slidably provided with the piston (1003), the top of the piston (1003) is provided with the movable rod (1004), one end of the movable rod (1004) is provided with the connecting shaft (1005), one end of the movable rod (1004) is provided with the threaded rod (1006) through the connecting shaft (1005), the inside of the sealing bin (1001) is slidably provided with the threaded cylinder (1007), one end of the threaded cylinder (1007) is fixedly connected with the anti-blocking dredging rod (1008), and the top of the sealing bin (1001) is fixedly connected with the air pipe (1009).

6. The engine resonator cavity plastic part mold with anti-blocking function according to claim 5, characterized in that: The threaded rod (1006) is in threaded connection with the threaded cylinder (1007), and the anti-blocking dredging rod (1008) is located in the discharging groove of the flow guide plate (11).

7. The engine resonator cavity plastic part mold with anti-blocking function according to claim 5, characterized in that: The injection mold plate (8) is in the shape of an engine resonance cavity plastic part, and the exhaust hole of the injection mold plate (8) is connected with the air pipe (1009).