Luer taper mold capable of producing four products at one time

By designing the 'first-production 4' Luer joint mold, the use of driving gears and driven gear components to achieve uniform molding of injection molded parts, and reducing gear wear through water-transport cooling pipes, the low production efficiency and injection molded parts in the prior art are solved. The problem of easy damage improves product quality and mold life.

CN222328905UActive Publication Date: 2025-01-10NINGBO QIAOSHI MOULD TECH CO LTD
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Patent Information

Application Number
CN202420920768.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-01-10
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing Luer joint injection molding process has low production efficiency, and the injection molded parts are difficult to release, which can easily cause deformation or damage, affecting product quality.

Method used

A 'first four' luer joint mold is designed, including the driving gear and 4 driven gears. The gear assembly is driven by the driving motor to uniformly release the injection molding parts, and a water-transport cooling tube is installed in the mold to lower the gears. Wear.

Benefits of technology

Improve production efficiency, ensure that injection molded parts are easily demolded, avoid deformation or damage, and extend the service life of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a'one-product-four 'Luer taper mold, which belongs to the technical field of molds and comprises a panel, an outer mold frame A, an outer mold frame B, standing feet and a gear assembly, a fixing plate is horizontally arranged at the bottoms of the standing feet, and a main shaft is vertically and upwards arranged in the center of the fixing plate and upwards extends into the outer formwork A; a fixing frame is arranged on one side of the outer mold frame A, and a driving motor is arranged on the fixing frame; the gear assembly comprises a driving gear and four driven gears; the Luer taper comprises a shell and a core body; a cavity is formed between the core body and the inner wall of the hollow body of the shell, and the shape and the size of the cavity correspond to those of the core body in the Luer taper; four mold groove bodies are arranged in the mold body, a mold cavity is arranged in each mold groove body, and a shell is arranged in each mold cavity; the bottom end of the injection molding runner is connected with four sub-runners, and the outer end parts of the four sub-runners are respectively communicated with the upper end parts of the four cavities. The injection mold has the beneficial effects that the production efficiency is improved, an injection molded part is easy to demold, and deformation or damage is avoided.
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Description

Technical Field

[0001] The utility model discloses a Luer connector mould, in particular to a "one-product-four" Luer connector mould, belonging to the technical field of moulds. Background Art

[0002] The Luer connector is a standardized, micro-vibration-free connector that is now widely used in medical and laboratory instruments. The Luer connector is a convenient connection device used in the medical industry that greatly simplifies the management of liquid and gaseous medical fluids.

[0003] Usually, the injection molding process of the Luer connector is one mold for one piece, and the production efficiency is relatively low. At the same time, the injection molded parts are often difficult to demold, causing deformation or damage during demolding, affecting product quality. Utility Model Content

[0004] The utility model aims to provide a "one-product-four" Luer connector mold to improve production efficiency, make it easy to demould the molded parts, and avoid deformation or damage in view of the defects of the prior art of the above-mentioned Luer connector injection molding process, such as low production efficiency, difficulty in demoulding the molded parts, and avoid deformation or damage.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a "one-product-four" Luer connector mold, comprising a panel, an outer mold frame A, an outer mold frame B, a foot and a gear assembly arranged in sequence from top to bottom; a feed port is arranged at the center of the panel, an upper mold is arranged in the outer mold frame A, a lower mold is arranged in the outer mold frame B, and the upper mold and the lower mold form a mold body; an injection molding flow channel is arranged above the mold body and in the outer mold frame A, and the upper end of the injection molding flow channel is connected to the feed port; the Luer connector is cylindrical, including an outer shell and an inner core;

[0006] A fixing plate is horizontally arranged at the bottom of the foot, a main shaft is vertically arranged upward at the center of the fixing plate, and the main shaft extends upward into the outer mold frame A; a fixing frame is arranged on one side of the outer mold frame A, and a driving motor is arranged on the fixing frame;

[0007] The gear assembly includes a driving gear and four driven gears. The driving gear is arranged in the outer mold frame A and sleeved on the upper end of the main shaft. The driving gear is rotatably connected to the upper end of the main shaft. The four driven gears are arranged around the driving gear and mesh with the driving gear. A driven shaft is inserted into the driven gear, and the lower end of the driven shaft is a core body.

[0008] The center of the shell is a hollow body, and the core body is arranged in the center of the hollow body of the shell; a cavity is formed between the core body and the inner wall of the hollow body of the shell, with a total of 4 cavities, and the shape and size of the cavity correspond to the shape and size of the core body inside the Luer connector;

[0009] The mold body is provided with 4 mold groove bodies, each mold groove body is provided with a mold cavity, each mold cavity is provided with a shell, and there are 4 mold cavities and 4 shells in total, and the upper end of the shell is exposed from the upper end surface of the mold groove body;

[0010] The driving motor is connected to the driving gear. When demoulding, the driving motor starts to drive the driving gear to rotate, and the driving gear drives the four driven gears around it to rotate, so that the driven shaft of the driven gear rotates; when the driven shaft rotates, the core rotates to disengage the injection molded part;

[0011] The bottom end of the injection runner is connected with four branch runners, and the outer ends of the four branch runners are respectively connected with the upper ends of the four cavities.

[0012] The upper and lower dies are each provided with a side lock at the joint of the four surfaces on the left, right, front and back sides. The side lock is connected to the die body with a detachable screw, which can limit the displacement of the upper and lower dies and ensure the alignment of the upper and lower dies.

[0013] The fixed plate is provided with 4 pillars, which are evenly distributed on the four corners of the support plate, and the pillars are sleeved with springs; the springs are shock-absorbing parts, which have a shock-absorbing effect, can ensure that the overall structure of the mold is in a stable state, and ensure the quality of product production.

[0014] The four driven gears are evenly arranged around the driving gear, so that the force applied is even, avoiding gear fatigue and deformation due to high torque, and extending the life of the gear; because one driving motor drives the four gears, the drive core stripping is faster at the same time, improving production efficiency.

[0015] It also includes a water cooling pipe, which is arranged above the mold body. During the gear transmission process, the mechanical transmission generates heat, which causes adverse wear on the gear components. Therefore, the water cooling pipe can lower the temperature, reduce gear wear, and increase service life.

[0016] Compared with the prior art, the utility model has the following beneficial effects: a "one-production-four" Luer connector mold is provided, a driving gear is provided at the center above the mold body, four driven gears are provided around the driving gear, four mold groove bodies are provided in the mold body, one shell is provided in each mold groove body, a core body is provided in the center of the hollow body of the shell, a cavity is formed between the shell and the core body, there are four cavities in total, four Luer connector products can be injection molded at the same time, and production efficiency is improved; and the four driven gears are evenly provided around the driving gear, so that the applied force is even, the core body rotates to disengage the injection molded part, the injection molded part is easy to demold, and deformation or damage is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is: a three-dimensional diagram of the utility model;

[0018] Figure 2 It is: the front view of the utility model;

[0019] Figure 3 Yes: A three-dimensional diagram of the utility model (without a panel);

[0020] Figure 4 Yes: Luer connector product stereogram;

[0021] Figure 5 Yes: a three-dimensional diagram of the utility model (without the panel and the outer mold frame A, with the upper mold and the lower mold, and showing three driven gears);

[0022] Figure 6 Yes: a three-dimensional diagram of the utility model (without the panel and the outer mold frame A, without the upper mold, with the lower mold, and showing two driven gears);

[0023] Figure 7 Yes: a three-dimensional diagram of the utility model (without the panel and the outer mold frame A, without the upper mold and the lower mold, and showing two mold groove bodies);

[0024] Figure 8 yes: Figure 7 A magnified view of part A;

[0025] Explanation of the accompanying drawings: panel 1, outer mold frame A 2, outer mold frame B 3, foot 4, feed port 5, upper mold 6, lower mold 7, injection runner 8, fixed plate 9, main shaft 10, fixed frame 11, driving gear 12, driven gear 13, branch channel 14, side lock 15, pillar 16, spring 17, water transport cooling pipe 18, Luer connector 19, shell 1901, core body 1902, drive motor 20, mold slot body 21. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figures 1 to 8 As shown, a "one-production-four" Luer connector 19 mold, such as Figure 1 , Figure 2 and Figure 3As shown, it includes a panel 1, an outer mold frame A2, an outer mold frame B3, a stand 4 and a gear assembly arranged in sequence from top to bottom; a feed port 5 is arranged at the center of the panel 1, an upper mold 6 is arranged in the outer mold frame A2, a lower mold 7 is arranged in the outer mold frame B3, and the upper mold 6 and the lower mold 7 form a mold body; an injection molding flow channel 8 is arranged above the mold body and in the outer mold frame A2, and the upper end of the injection molding flow channel 8 is connected to the feed port 5; as shown Figure 4 As shown, the Luer connector 19 is cylindrical and includes an outer shell 1901 and an inner core 1902;

[0028] like Figure 2 As shown, a fixing plate 9 is horizontally arranged at the bottom of the standing foot 4, a main shaft 10 is vertically arranged upward at the center of the fixing plate 9, and the main shaft 10 extends upward into the outer mold frame A2; a fixing frame 11 is arranged on one side of the outer mold frame A2, and a driving motor 20 is arranged on the fixing frame 11;

[0029] like Figure 4 , Figure 5 and Figure 6 As shown, the gear assembly includes a driving gear 12 and four driven gears 13. The driving gear 12 is arranged in the outer mold frame A2 and sleeved on the upper end of the main shaft 10. The driving gear 12 is rotatably connected to the upper end of the main shaft 10. The four driven gears 13 are arranged around the driving gear 12, and the four driven gears 13 are meshed with the driving gear 12. A driven shaft is inserted into the driven gear 13, and the lower end of the driven shaft is a core body 1902.

[0030] The center of the shell 1901 is a hollow body, and the core 1902 is arranged in the center of the hollow body of the shell 1901; a cavity is formed between the core 1902 and the inner wall of the hollow body of the shell 1901, and there are 4 cavities in total, and the shape and size of the cavity correspond to the shape and size of the core 1902 inside the Luer connector 19;

[0031] like Figure 7 and Figure 8 As shown, four mold groove bodies 21 are arranged in the mold body, each mold groove body 21 is provided with a mold cavity (not shown in the figure), each mold cavity is provided with a shell 1901, and there are four mold cavities and four shells 1901 in total, and the upper end of the shell 1901 is exposed from the upper end surface of the mold groove body 21;

[0032] like Figure 3 and Figure 4 As shown, the driving motor is connected to the driving gear 12. When demoulding, the driving motor starts to drive the driving gear 12 to rotate, and the driving gear 12 drives the four driven gears 13 around to rotate, so that the driven shaft of the driven gear 13 rotates; when the driven shaft rotates, the core 1902 rotates to disengage the injection molded part;

[0033] like Figure 8 As shown, the bottom end of the injection channel 8 is connected to four branch channels 14, and the outer ends of the four branch channels 14 are respectively connected to the upper ends of the four cavities.

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, the upper mold 6 and the lower mold 7 are each provided with a side lock 15 at the joint of the four left, right, front and back surfaces. The side lock 15 is connected to the mold body with a detachable screw, which can limit the displacement of the upper mold 6 and the lower mold 7 and ensure that the upper mold 6 and the lower mold 7 are aligned.

[0035] like Figure 2 and Figure 3 As shown, four pillars 16 are arranged on the fixing plate 9, and the four pillars 16 are evenly distributed on the four corners of the supporting plate. A spring 17 is sleeved on the pillar 16; the spring 17 is a shock absorbing component, which has a shock absorbing effect, can ensure that the overall structure of the mold is in a stable state, and ensure the quality of product production.

[0036] like Figures 4 to 7 As shown, the four driven gears 13 are evenly arranged around the driving gear 12, so that the applied force is uniform, avoiding gear fatigue operation and deformation due to high torque, thereby extending the life of the gear; because the four gears are driven by one driving motor, the drive core stripping is faster at the same time, thereby improving production efficiency.

[0037] like Figure 5 and Figure 6 As shown, it also includes a water cooling pipe 18, which is arranged above the mold body. During the gear transmission process, the mechanical transmission generates heat and the gear components suffer adverse wear. Therefore, the water cooling pipe 18 can reduce the temperature, reduce gear wear, and increase service life.

[0038] The embodiments described above are only preferred implementations of the present invention. Common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A "one-product-four" Luer connector mold, comprising a panel, an outer mold frame A, an outer mold frame B, a foot and a gear assembly arranged in sequence from top to bottom; a feed port is arranged at the center of the panel, an upper mold is arranged in the outer mold frame A, a lower mold is arranged in the outer mold frame B, and the upper mold and the lower mold form a mold body; an injection molding flow channel is arranged above the mold body and in the outer mold frame A, and the upper end of the injection molding flow channel is connected to the feed port; the Luer connector is cylindrical, including an outer shell and an inner core; characterized in that: A fixing plate is horizontally arranged at the bottom of the foot, a main shaft is vertically arranged upward at the center of the fixing plate, and the main shaft extends upward into the outer mold frame A; a fixing frame is arranged on one side of the outer mold frame A, and a driving motor is arranged on the fixing frame; The gear assembly includes a driving gear and four driven gears. The driving gear is arranged in the outer mold frame A and sleeved on the upper end of the main shaft. The driving gear is rotatably connected to the upper end of the main shaft. The four driven gears are arranged around the driving gear and mesh with the driving gear. A driven shaft is inserted into the driven gear, and the lower end of the driven shaft is a core body. The center of the shell is a hollow body, and the core body is arranged in the center of the hollow body of the shell; a cavity is formed between the core body and the inner wall of the hollow body of the shell, with a total of 4 cavities, and the shape and size of the cavity correspond to the shape and size of the core body inside the Luer connector; The mold body is provided with 4 mold groove bodies, each mold groove body is provided with a mold cavity, each mold cavity is provided with a shell, and there are 4 mold cavities and 4 shells in total, and the upper end of the shell is exposed from the upper end surface of the mold groove body; The bottom end of the injection runner is connected with four branch runners, and the outer ends of the four branch runners are respectively connected with the upper ends of the four cavities.

2. A "one-product-four" Luer connector mold according to claim 1, characterized in that: The upper die and the lower die are each provided with a side lock at the joint of the four surfaces of left, right, front and back, and the side lock is connected to the die body with a detachable screw.

3. The "one-product-four" Luer connector mold according to claim 1, characterized in that: The fixing plate is provided with 4 pillars, which are evenly distributed on the four corners of the supporting plate, and the pillars are sleeved with springs; the springs are shock absorbing parts.

4. The "one-product-four" Luer connector mold according to claim 1, characterized in that: The four driven gears are evenly arranged around the driving gear.

5. The "one-product-four" Luer connector mold according to claim 1, characterized in that: It also includes a water transport cooling pipe, which is arranged above the mold body.