Improved scroll tube injection mold

By designing an improved vortex tube injection mold, the problems of cumbersome production process and damage during transportation of vortex tubes were solved, and the vortex blades and tube body were integrated into one piece, improving production efficiency and strength.

CN224323479UActive Publication Date: 2026-06-05TIANJIN TIANLU JIAHANG TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN TIANLU JIAHANG TECH CO LTD
Filing Date
2025-06-27
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing vortex tube manufacturing process is cumbersome, the vortex tube spindle is easily damaged during transportation, and the vortex blades are produced separately from the tube body, resulting in insufficient strength.

Method used

An improved vortex tube injection mold is adopted. By combining the upper mold assembly, side mold assembly and lower mold assembly, a closed injection cavity is formed. Combined with the design of injection assembly, main forming groove, blade forming groove and main shaft forming groove, the vortex blade and tube body are integrally formed. The positioning and fixing of the mold are ensured by setting positioning columns and mounting blocks.

Benefits of technology

It improves the production efficiency and strength of vortex tubes, avoids damage from bumps during transportation, achieves integral molding of vortex blades and tube body, and enhances the overall structural stability of the product.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224323479U_ABST
    Figure CN224323479U_ABST
Patent Text Reader

Abstract

The application relates to the field of injection molds, in particular to an improved vortex tube injection mold, which comprises a lower mold assembly, the top of the lower mold assembly is provided with two side mold assemblies, the top of each side mold assembly is provided with an upper mold assembly, the inside of the upper mold assembly is provided with an injection assembly, each side mold assembly comprises a side mold block, a plurality of main forming grooves are formed in the middle of one side of the side mold block, the top of each main forming groove is provided with a necking portion, the lower mold assembly comprises a lower mold base, a plurality of first mold cores are arranged in the middle of the top end of the lower mold base, the first mold cores are arranged in the main forming grooves, a blade forming groove is formed in the surface of each first mold core, and a main shaft forming groove is formed in the middle of each first mold core, so that the improved vortex tube can be integrally formed, the strength and production efficiency of the vortex tube are improved, and the improved vortex tube can fix the main shaft during transportation, effectively avoiding the damage of the tube body caused by collision during transportation.
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Description

Technical Field

[0001] This application relates to the field of injection molds, and in particular to an improved scroll tube injection mold. Background Technology

[0002] A vortex tube is a component specifically designed for engine intake systems to improve the quality of air entering the engine. It can effectively separate larger particles in the air and prevent these particles from entering the engine.

[0003] vortex tube (e.g.) Figure 1 As shown, it includes a tube body A, inside which is a vortex blade B, in the middle of which is a main shaft C, and at one end of the tube body A is a tube tail D.

[0004] The existing injection molding process for producing scroll tubes mainly involves using a tube body mold and a blade mold to produce the tube body and scroll blades respectively, and then assembling the tube body and scroll blades. This method is quite cumbersome, and the main shaft of the scroll tube is usually located inside the scroll tube. During transportation, the tube wall of the scroll tube is easily bumped and damaged, making it inconvenient to use. Utility Model Content

[0005] In order to solve the problems mentioned in the background art, this application provides an improved scroll tube injection mold.

[0006] The above-mentioned technical objective of this application is achieved through the following technical solution:

[0007] An improved scroll tube injection mold includes a lower mold assembly, two side mold assemblies at the top of the lower mold assembly, an upper mold assembly at the top of the side mold assembly, an injection assembly inside the upper mold assembly, and side mold assemblies including side modules with a plurality of main forming grooves in the middle of one side of each side module. The top of each main forming groove has a narrowing. The lower mold assembly includes a lower mold base with a plurality of first mold cores in the middle of the top of the lower mold base. The first mold cores are disposed inside the main forming grooves, and blade forming grooves are formed on the surface of each first mold core. A main shaft forming groove is formed in the middle of each first mold core, and the bottom end of the main shaft forming groove extends to the outside of the main forming groove.

[0008] By adopting the above scheme, the upper mold assembly, side mold assembly, and lower mold assembly facilitate the formation of a sealed injection cavity, making it convenient for injection molding the improved scroll tube. The injection assembly facilitates control of the plastic injection process. The main molding groove allows the main molding groove to close when the two side modules are closed, forming the molding cavity of the tube body, which facilitates injection molding of the tube body. The necking design facilitates injection molding of the tube tail. The first mold core facilitates injection molding of the outer part of the tube body of the scroll blades in conjunction with the main molding groove. The blade molding groove facilitates injection molding of the scroll blades, making the scroll blades integrally molded with the tube body, which is beneficial to improving strength and production efficiency. The main shaft molding groove facilitates injection molding of the main shaft and allows the main shaft to extend to the outside of the tube body, facilitating the positioning and fixing of the main shaft during transportation. This improved scroll tube can effectively avoid damage to the tube body caused by bumps during transportation.

[0009] Furthermore, lower positioning posts are fixedly installed at both ends of the top of the lower mold base, and a first mounting block is fixedly installed at the bottom of the lower mold base.

[0010] By adopting the above scheme, the setting of the lower positioning post and the first mounting block facilitates the positioning and engagement of the lower positioning post with the lower positioning groove, so as to achieve accurate positioning when the lower mold assembly and the two side mold assemblies are closed. The first mounting block facilitates the fixed connection between the lower mold assembly and the lower platen of the injection molding machine, and makes it convenient for the lower platen of the injection molding machine to drive the lower mold assembly to move up and down, so as to realize the closing and unfolding of the device.

[0011] Furthermore, the side module has side positioning posts and side positioning grooves at both ends of the side with the main forming groove, and the side positioning posts and side positioning grooves are arranged diagonally.

[0012] By adopting the above scheme, the side positioning posts and side positioning grooves facilitate precise positioning of the closure of the two side mold components.

[0013] Furthermore, the side module has an upper positioning groove on the top of the side with the main forming groove, and a lower positioning groove on the bottom of the side with the main forming groove. A side mounting block is fixedly installed in the middle of the other side of the side module.

[0014] By adopting the above solution and setting the side mounting block, it is easy to fix the side mold assembly to the injection molding machine's actuator, and facilitate the control of the side module's opening and closing.

[0015] Furthermore, the upper mold assembly includes an upper mold base, and a plurality of second mold cores are fixedly installed at the bottom of the upper mold base, the second mold cores being disposed inside the main shaft forming groove.

[0016] By adopting the above scheme and setting the second mold core, it is convenient to cooperate with the main molding groove to perform injection molding on the end of the main pipe with the pipe tail.

[0017] Furthermore, upper positioning posts are fixedly installed at both ends of the bottom of the upper mold base, and upper mounting blocks are fixedly installed at both ends of the top of the upper mold base.

[0018] By adopting the above scheme, the upper positioning column and the upper mounting block facilitate the precise positioning of the upper mold assembly and the two side mold assemblies by the upper positioning column in conjunction with the upper positioning groove. The upper mounting block facilitates the fixed connection of the upper mold assembly with the upper template of the injection molding machine, making it convenient for the injection molding machine to control the up and down movement of the upper mold assembly and realize the opening and closing of the device.

[0019] Furthermore, the injection molding assembly includes a runner plate disposed inside the upper mold base.

[0020] By adopting the above scheme and setting the flow channel plate, it is easy to guide the molten plastic to each molding cavity.

[0021] Furthermore, an injection ring is provided on the top of the flow channel plate, and the injection ring is disposed on the top of the upper mold base.

[0022] By adopting the above solution and setting the injection ring, it is easy to connect and seal the injection component with the nozzle of the injection molding machine, which facilitates the injection molding machine to introduce molten plastic into the device.

[0023] Furthermore, the bottom of the flow channel plate is connected to an injection tube, and the two ends of the bottom of the injection tube are located on the outer side of the top of the second mold core. A solenoid valve is provided between the injection tube and the flow channel plate.

[0024] By adopting the above scheme, the solenoid valve and injection tube are designed to facilitate the opening and closing of the injection tube by the solenoid valve, and to facilitate the injection tube to introduce molten plastic into the corresponding molding cavity for injection molding.

[0025] In summary, this application has the following technical effects:

[0026] The arrangement of the upper mold assembly, side mold assembly, and lower mold assembly facilitates the formation of a sealed injection cavity, enabling convenient injection molding of the improved scroll tube. The injection assembly facilitates control of the plastic injection process. The main molding groove allows the main molding groove to close when the two side modules are closed, forming the molding cavity for the tube body, facilitating injection molding. The necking design facilitates injection molding of the tube tail. The first mold core facilitates injection molding of the outer portion of the scroll blades in conjunction with the main molding groove. The blade molding groove facilitates injection molding of the scroll blades, allowing them to be integrally molded with the tube body, improving strength and production efficiency. The main shaft molding groove facilitates injection molding of the main shaft and allows it to extend to the outside of the tube body, facilitating positioning and fixation of the main shaft during transportation. This improved scroll tube effectively prevents damage to the tube body caused by bumps during transportation. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural schematic diagram of the vortex tube of this application;

[0028] Figure 2 This is a three-dimensional structural schematic diagram of an improved scroll tube injection mold according to this application;

[0029] Figure 3 This is a cross-sectional view of the lower mold component of this application;

[0030] Figure 4 This is a three-dimensional structural diagram of the side mold assembly of this application;

[0031] Figure 5 This is a three-dimensional structural diagram of the upper mold component of this application;

[0032] Figure 6 This is a three-dimensional structural diagram of the injection-molded component of this application.

[0033] In the diagram, 1. Lower mold assembly; 11. Lower mold base; 12. First mold core; 13. Blade forming groove; 14. Main shaft forming groove; 15. Lower positioning post; 16. First mounting block; 2. Side mold assembly; 21. Side module; 22. Main forming groove; 23. Narrowing; 24. Side positioning post; 25. Side positioning groove; 26. Upper positioning groove; 27. Lower positioning groove; 28. Side mounting block; 3. Upper mold assembly; 31. Upper mold base; 32. Second mold core; 33. Upper positioning post; 34. Upper mounting block; 4. Injection assembly; 41. Injection ring; 42. Runner plate; 43. Injection tube; 44. Solenoid valve. Detailed Implementation

[0034] The present application will be further described in detail below with reference to the accompanying drawings. Example

[0035] As attached Figure 2 To be continued Figure 6 As shown:

[0036] This utility model provides an improved scroll tube injection mold, including a lower mold assembly 1, two side mold assemblies 2 on the top of the lower mold assembly 1, and an upper mold assembly 3 on the top of the side mold assembly 2. The arrangement of the upper mold assembly 3, side mold assemblies 2, and lower mold assembly 1 facilitates the formation of a closed injection cavity, enabling convenient injection molding of the improved scroll tube. An injection assembly 4 is located inside the upper mold assembly 3, facilitating control of the plastic injection process. The side mold assembly 2 includes side modules 21, with several main forming grooves 22 formed in the middle of one side. These main forming grooves 22 allow the main forming grooves 22 to close when the two side modules 21 are closed, forming the forming cavity of the tube body, facilitating injection molding of the tube body. A constriction 23 is provided at the top of the main forming grooves 22, facilitating injection molding of the tube tail. The lower mold assembly 1 includes a lower mold base. 11. The lower mold base 11 has several first mold cores 12 at the top center. The first mold cores 12 facilitate the injection molding of the outer part of the tube body of the vortex blade in conjunction with the main forming groove 22. The first mold cores 12 are located inside the main forming groove 22. The surface of the first mold cores 12 has blade forming grooves 13. The blade forming grooves 13 facilitate the injection molding of the vortex blade, making the vortex blade and the tube body integrally formed, which is beneficial to improving strength and production efficiency. The first mold core 12 has a main shaft forming groove 14 in the middle. The bottom end of the main shaft forming groove 14 extends to the outside of the main forming groove 22. The main shaft forming groove 14 facilitates the injection molding of the main shaft and allows the main shaft to extend to the outside of the tube body, which is convenient for positioning and fixing the main shaft during transportation. This improved vortex tube can effectively avoid damage to the tube body caused by bumps during transportation.

[0037] The lower mold base 11 has lower positioning posts 15 fixedly installed at both ends of the top, and a first mounting block 16 fixedly installed at the bottom of the lower mold base 11. The lower positioning posts 15 and the first mounting block 16 facilitate the positioning and engagement of the lower positioning posts 15 with the lower positioning groove 27, so as to achieve accurate positioning when the lower mold assembly 1 and the two side mold assemblies 2 are closed. The first mounting block 16 facilitates the fixed connection between the lower mold assembly 1 and the lower template of the injection molding machine, so that the lower template of the injection molding machine can drive the lower mold assembly 1 to move up and down, thereby realizing the closing and unfolding of the device.

[0038] The side module 21 has a main forming groove 22 and side positioning posts 24 and side positioning grooves 25 at both ends of one side. The side positioning posts 24 and side positioning grooves 25 are arranged diagonally. The side positioning posts 24 and side positioning grooves 25 facilitate the precise positioning of the closure of the two side mold components 2.

[0039] The side module 21 has an upper positioning groove 26 on the top of the side with the main molding groove 22, and a lower positioning groove 27 on the bottom of the side with the main molding groove 22. A side mounting block 28 is fixedly installed in the middle of the other side of the side module 21. The side mounting block 28 facilitates the fixed connection between the side mold assembly 2 and the actuator of the injection molding machine, and makes it convenient to control the opening and closing of the side module 21.

[0040] The upper mold assembly 3 includes an upper mold base 31, and a number of second mold cores 32 are fixedly installed at the bottom of the upper mold base 31. The second mold cores 32 are set inside the main shaft forming groove 14. The setting of the second mold cores 32 facilitates the injection molding of the end of the main pipe with the pipe tail in conjunction with the main forming groove 22.

[0041] The upper mold base 31 has upper positioning posts 33 fixedly installed at both ends of the bottom, and upper mounting blocks 34 fixedly installed at both ends of the top. The upper positioning posts 33 and upper mounting blocks 34 facilitate the precise positioning of the upper mold assembly 3 and the two side mold assemblies 2 by the upper positioning posts 33 in conjunction with the upper positioning groove 26. The upper mounting blocks 34 facilitate the fixed connection of the upper mold assembly 3 and the upper template of the injection molding machine, making it convenient for the injection molding machine to control the up and down movement of the upper mold assembly 3 and realize the opening and closing of the device.

[0042] The injection molding component 4 includes a runner plate 42, which is disposed inside the upper mold base 31. The runner plate 42 facilitates the flow of molten plastic to each molding cavity.

[0043] The flow channel plate 42 is provided with an injection ring 41 on the top. The injection ring 41 is set on the top of the upper mold base 31. The injection ring 41 facilitates the connection and sealing between the injection component 4 and the nozzle of the injection molding machine, and facilitates the injection molding machine to introduce molten plastic into the device.

[0044] The bottom of the runner plate 42 is connected to the injection tube 43. The two ends of the bottom of the injection tube 43 are located on the outer side of the top of the second mold core 32. A solenoid valve 44 is provided between the injection tube 43 and the runner plate 42. The solenoid valve 44 and the injection tube 43 are designed to facilitate the opening and closing of the injection tube 43, so that the injection tube 43 can easily introduce molten plastic into the corresponding molding cavity for injection molding.

[0045] Specifically, the arrangement of the upper mold assembly 3, side mold assembly 2, and lower mold assembly 1 facilitates the formation of a closed injection cavity, enabling convenient injection molding of the improved scroll tube. The injection assembly 4 facilitates control of the plastic injection process. The main molding groove 22 allows the two side modules 21 to close, forming the molding cavity for the tube body, facilitating injection molding. The necking 23 facilitates injection molding of the tube tail. The first mold core 12 works in conjunction with the main molding groove 22 to injection mold the outer portion of the scroll blades. The blade molding groove 13 facilitates injection molding of the scroll blades, allowing the scroll to... The blades and tube body are integrally molded, which helps to improve strength and production efficiency. The main shaft forming groove 14 facilitates the injection molding of the main shaft and allows the main shaft to extend to the outside of the tube body, making it convenient to position and fix the main shaft during transportation. This improved scroll tube can effectively avoid damage to the tube body caused by bumps during transportation. The lower positioning post 15 and the first mounting block 16 facilitate the positioning and engagement of the lower positioning post 15 with the lower positioning groove 27, achieving precise positioning when the lower mold assembly 1 and the two side mold assemblies 2 are closed. The first mounting block 16 facilitates the fixed connection between the lower mold assembly 1 and the lower platen of the injection molding machine, making it convenient for the lower platen of the injection molding machine to move the lower mold assembly 1 up and down. The device is opened and closed by movement. The side positioning posts 24 and side positioning grooves 25 facilitate precise positioning of the two side mold assemblies 2 when closed. The side mounting block 28 facilitates the fixed connection between the side mold assembly 2 and the actuator of the injection molding machine, making it easy to control the opening and closing of the side module 21. The second mold core 32 facilitates injection molding of the end of the main pipe with the tail section in conjunction with the main forming groove 22. The upper positioning post 33 and upper mounting block 34 facilitate precise positioning of the upper mold assembly 3 and the two side mold assemblies 2 when closed by the upper positioning post 33 in conjunction with the upper positioning groove 26. The upper mounting block 34 facilitates the connection between the upper mold assembly 3 and the upper mold of the injection molding machine. The plates are fixedly connected to facilitate the injection molding machine's control of the upper mold assembly 3 to move up and down, enabling the device to open and close. The flow channel plate 42 facilitates the guidance of molten plastic to each molding cavity. The injection ring 41 facilitates the connection and sealing between the injection assembly 4 and the injection molding machine's nozzle, allowing the injection molding machine to introduce molten plastic into the device. The solenoid valve 44 and injection tube 43 facilitate the solenoid valve 44 to control the opening and closing of the injection tube 43, allowing the injection tube 43 to guide the molten plastic into the corresponding molding cavity for injection molding. After injection molding is completed, the device is opened, and the improved scroll tube injection molded part is removed from the outside of the first mold core 12 by rotating upwards.

[0046] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. An improved scroll tube injection mold, characterized in that, The assembly includes a lower mold assembly (1), two side mold assemblies (2) on the top of the lower mold assembly (1), an upper mold assembly (3) on the top of the side mold assembly (2), an injection molding assembly (4) inside the upper mold assembly (3), a side mold assembly (2) including a side module (21), a plurality of main forming grooves (22) on the middle of one side of the side module (21), a narrowing (23) on the top of the main forming groove (22), a lower mold assembly (1) including a lower mold base (11), a plurality of first mold cores (12) on the middle of the top of the lower mold base (11), the first mold cores (12) being disposed inside the main forming grooves (22), a blade forming groove (13) on the surface of the first mold cores (12), and a main shaft forming groove (14) on the middle of the first mold cores (12), the bottom end of the main shaft forming groove (14) extending to the outside of the main forming groove (22).

2. The improved scroll tube injection mold according to claim 1, characterized in that, The lower mold base (11) is fixedly installed with lower positioning columns (15) at both ends of the top, and the lower mold base (11) is fixedly installed with a first mounting block (16) at the bottom.

3. The improved scroll tube injection mold according to claim 1, characterized in that, The side module (21) has a main forming groove (22) and both ends of the side module (21) are provided with side positioning posts (24) and side positioning grooves (25), and the side positioning posts (24) and side positioning grooves (25) are arranged diagonally.

4. The improved scroll tube injection mold according to claim 3, characterized in that, The side module (21) has an upper positioning groove (26) on the top of the side with the main forming groove (22), and a lower positioning groove (27) on the bottom of the side with the main forming groove (22). A side mounting block (28) is fixedly installed in the middle of the other side of the side module (21).

5. An improved scroll tube injection mold according to claim 1, characterized in that, The upper mold assembly (3) includes an upper mold base (31), and a plurality of second mold cores (32) are fixedly installed at the bottom of the upper mold base (31). The second mold cores (32) are disposed inside the main shaft forming groove (14).

6. An improved scroll tube injection mold according to claim 5, characterized in that, The upper mold base (31) is fixedly installed with upper positioning columns (33) at both ends of the bottom, and upper mounting blocks (34) are fixedly installed at both ends of the top of the upper mold base (31).

7. The improved scroll tube injection mold according to claim 1, characterized in that, The injection molding assembly (4) includes a runner plate (42) disposed inside the upper mold base (31).

8. An improved scroll tube injection mold according to claim 7, characterized in that, The top of the flow channel plate (42) is provided with an injection ring (41), which is located on the top of the upper mold base (31).

9. An improved scroll tube injection mold according to claim 8, characterized in that, The bottom of the flow channel plate (42) is connected to the injection tube (43), and the two ends of the bottom of the injection tube (43) are located on the outer side of the top of the second mold core (32). A solenoid valve (44) is provided between the injection tube (43) and the flow channel plate (42).