CN219256395U

CN219256395U - Injection mold of T-shaped drainage catheter

Info

Publication number: CN219256395U
Application number: CN202320297217.8U
Authority: CN
Inventors: 吴以照; 王鹏
Original assignee: Haining Lvjian Medical Supplies Co ltd
Current assignee: Haining Lvjian Medical Supplies Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-27
Anticipated expiration: 2033-02-20

Abstract

The utility model provides an injection mold of a T-shaped drainage catheter, and belongs to the field of medical equipment. The device comprises a lower die, an upper die, an inner cavity in the lower die, a heating assembly fixedly communicated with the inner cavity, and a refrigerating assembly fixedly communicated with the side wall of the inner cavity; the upper end of the heating component is connected with a return pipe, the side wall of the heating component is connected with a conveying pipe, the upper end of the return pipe penetrates through the bottom of the lower die and is communicated with the inner cavity, a first electromagnetic valve is arranged on the return pipe, one end of the conveying pipe penetrates through the side wall of the lower die and is communicated with the inner cavity, a pump is arranged on the conveying pipe, and an exhaust component communicated with the inner cavity is arranged on one side of the lower die. The utility model can effectively avoid the problem that part of raw materials are solidified when contacting with the inner wall of the die cavity in the die cavity, can realize rapid cooling of products, greatly shortens the injection molding time of the products, and improves the production quality and the production efficiency.

Description

Injection mold of T-shaped drainage catheter

Technical Field

The utility model belongs to the field of medical equipment, and relates to an injection mold of a T-shaped drainage catheter.

Background

When the operation is finished, most patients who do thoracic operations need to put a T-shaped drainage tube in the thoracic cavity tube for drainage of effusion. The catheter is implanted into pathological change parts such as human volume fluid, abscess, necrosis and the like under the guidance of a guide wire, one joint is remained outside the body, physiological saline is injected into the pathological change parts to dilute the pathological change parts, the other joint is connected with a drainage bag through a connecting pipe, and the effusion at the drainage part is discharged outside the body. Because the medical device can be remained in a human body for a long time, the pain of a patient and the workload of nursing staff are reduced.

The injection mold is a tool for producing plastic products; the injection molding method specifically refers to injecting heated and melted plastic into a mold cavity by an injection molding machine under high pressure, and cooling and solidifying the plastic to obtain a formed product. The method has the advantages of high production speed and high efficiency, and can realize automation in operation, but in the injection molding process of the T-shaped drainage catheter, part of molten material of the mold cavity is solidified at room temperature after contacting with a low-temperature mold, so that contact marks and even gaps are generated between the molten material and the pre-solidification part during solidification of the subsequent molten material, and the quality of the T-shaped drainage catheter processed by the injection mold is influenced.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and provides an injection mold of a T-shaped drainage catheter, which aims at solving the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme: injection mold of T type drainage pipe, including lower mould and last mould, its characterized in that: the lower die also comprises an inner cavity in the lower die, a heating component fixedly communicated with the inner cavity and a refrigerating component fixedly communicated with the side wall of the inner cavity;

the upper end of the heating assembly is connected with a return pipe, the side wall of the heating assembly is connected with a conveying pipe, the upper end of the return pipe penetrates through the bottom of the lower die to be communicated with the inner cavity, the return pipe is provided with a first electromagnetic valve, one end of the conveying pipe penetrates through the side wall of the lower die to be communicated with the inner cavity, the conveying pipe is provided with a pump, and one side of the lower die is provided with an exhaust assembly communicated with the inner cavity.

Further, refrigeration subassembly include the air-cooler, installing frame one side is fixed with the mounting panel, the mounting panel sets up in the lower mould one side of keeping away from exhaust assembly, the air-cooler is fixed on the mounting panel, the output fixedly connected with outlet duct of air-cooler, outlet duct one end is passed the lower mould lateral wall and is linked together with the inner chamber, install solenoid valve two on the outlet duct.

Further, the exhaust assembly comprises an exhaust pipe, the exhaust pipe is fixed on one side of the lower die, one end of the exhaust pipe penetrates through the side wall of the lower die to be communicated with the inner cavity, and the electromagnetic valve III is arranged on the exhaust pipe.

Further, the upper die is arranged above the lower die, and an injection port is formed in the center of the upper die in a communicated mode.

Further, a plurality of heat conducting plates are fixed on the inner top of the inner cavity side by side at equal intervals, and the front ends of the heat conducting plates are right opposite to the air outlet of the air outlet pipe.

Further, an inclined groove is arranged in the lower die, the top of the inclined groove is communicated with the bottom of the inner cavity, and the upper end of the return pipe is communicated with the lowest point of the inclined groove.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the heating assembly is arranged to realize heating treatment of the inner cavity, so that when the device is used, the problem that a worker injects raw materials with a certain temperature into a die cavity, and part of molten materials of the die cavity are solidified at room temperature after contacting with a low-temperature die is effectively avoided, and the production quality of products is improved; according to the utility model, the cooling treatment of the T-shaped drainage catheter by the clamping blocks after injection molding is finished is realized by arranging the refrigerating assembly, so that the production efficiency is improved, meanwhile, the heat conduction speed is increased when the inner cavity is heated by arranging the heat conducting plate, the temperature in the die cavity is further improved, partial products are prevented from being cooled and solidified, the heat in the die cavity can be conducted by the heat conducting plate when the products are cooled, then the rapid cooling is realized by blowing through the air cooler, and when the hot water in the inner cavity is exhausted, partial water drops remain on the outer wall of the heat conducting plate and the inner wall of the inner cavity, the air drying is realized by cold air blown by the air cooler, and partial heat can be taken away when the water is air-dried, so that the cooling efficiency is further improved, and the production efficiency of the products is further improved.

Drawings

Fig. 1 is a schematic view of the structure of the upper and lower molds of the present utility model.

Fig. 2 is a front cross-sectional view of the present utility model.

Fig. 3 is a side cross-sectional view of the present utility model.

In the figure, 1, a lower die; 2. an upper die; 3. an inner cavity; 4. a return pipe; 5. a delivery tube; 6. a first electromagnetic valve; 7. pumping; 8. a mounting frame; 9. a heat preservation water tank; 10. an electric heating rod; 11. an air cooler; 12. a mounting plate; 13. an air outlet pipe; 14. a second electromagnetic valve; 15. an exhaust pipe; 16. a third electromagnetic valve; 17. an injection molding port; 18. a heat conductive plate; 19. and an inclined groove.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-3, the injection mold of the T-shaped drainage catheter comprises a lower mold 1, an upper mold 2, an inner cavity 3 in the lower mold 1, a heating component fixedly communicated with the inner cavity 3, and a refrigerating component fixedly communicated with the side wall of the inner cavity 3; the upper end of the heating component is connected with a return pipe 4, the side wall of the heating component is connected with a conveying pipe 5, the upper end of the return pipe 4 penetrates through the bottom of the lower die 1 to be communicated with the inner cavity 3, an electromagnetic valve 6 is installed on the return pipe 4, one end of the conveying pipe 5 penetrates through the side wall of the lower die 1 to be communicated with the inner cavity 3, a pump 7 is installed on the conveying pipe 5, an exhaust component communicated with the inner cavity 3 is installed on one side of the lower die 1, an installation frame 8 is fixed at the bottom of the lower die 1, the heating component comprises a heat preservation water tank 9, an electric heating rod 10 is fixedly installed in the heat preservation water tank 9, and the electric heating rod 10 is a product specially designed and manufactured for electric heat preservation of containers such as storage tanks. The electric heating rod 10 can heat the water in the heat preservation water tank 9, the heat preservation water tank 9 is fixed in the installation frame 8, the back flow 4 lower extreme is linked together with heat preservation water tank 9 top, and the upper end is linked together with inner chamber 3, back flow 4 one end is linked together with heat preservation water tank 9 lateral wall, and the other end is linked together with inner chamber 3. The hot water in the heat preservation water tank 9 can be conveyed into the inner cavity 3 through the conveying pipe 5 by driving the pump 7.

As shown in fig. 2, the refrigeration assembly includes an air cooler 11, the air cooler 11 is divided into a refrigeration industry air cooler 11 and a household air cooler 11, the industry air cooler 11 is generally used in a refrigeration house and a cold chain logistics refrigeration environment, and the household air cooler 11 is also called a water-cooled air conditioner, and is an evaporative cooling and ventilation unit integrating cooling, ventilation, dust prevention, deodorization and humidification. The installation frame 8 one side is fixed with mounting panel 12, mounting panel 12 sets up in the one side that exhaust subassembly was kept away from to lower mould 1, air-cooler 11 is fixed on mounting panel 12, the output fixedly connected with outlet duct 13 of air-cooler 11, outlet duct 13 one end is linked together with inner chamber 3 through lower mould 1 lateral wall, install solenoid valve two 14 on the outlet duct 13.

As shown in fig. 2 and 3, the exhaust assembly comprises an exhaust pipe 15, the exhaust pipe 15 is fixed on one side of the lower die 1, one end of the exhaust pipe 15 penetrates through the side wall of the lower die 1 to be communicated with the inner cavity 3, an electromagnetic valve III 16 is installed on the exhaust pipe 15, the upper die 2 is arranged above the lower die 1, an injection molding port 17 is formed in the center of the upper die 2 in a communicating mode, a plurality of heat conducting plates 18 are fixed on the inner top of the inner cavity 3 side by side at equal intervals, the front ends of the heat conducting plates 18 are right opposite to the air outlet of the air outlet pipe 13, an inclined groove 19 is formed in the lower die 1, hot water in the inner cavity 3 can be rapidly and intensively discharged to the return pipe 4 through the arrangement of the inclined groove 19, the top of the inclined groove 19 is communicated with the bottom of the inner cavity 3, and the upper end of the return pipe 4 is communicated with the lowest point of the inclined groove 19.

The specific operation mode of the utility model is as follows:

when the utility model provides a raw materials that will have certain temperature pours into the die cavity through 17 injection molding mouth into, close solenoid valve one 6, solenoid valve two 14, solenoid valve three 16, drive pump 7 carries the hot water in the heat preservation water tank 9 to in the inner chamber 3 through conveyer pipe 5, heat in the hot water is led into in the die cavity by heat-conducting plate 18, improve the inner wall temperature of die cavity, avoid part to get into the raw materials of die cavity earlier and meet cold and take place solidification, when the raw materials get into the die cavity completely, need cool off the design processing to it, open solenoid valve one 6, make the hot water in the inner chamber 3 get into in the heat preservation water tank 9 through back flow 4, open solenoid valve two 14, solenoid valve three 16, drive air-cooler 11, air-cooler 11 will blow out cold wind and blow into in the inner chamber 3 through outlet duct 13, cold wind passes through heat-conducting plate 18 and inner chamber 3 surface and discharges through blast pipe 15, and realize quick cooling, and when the hot water in the inner chamber 3 has been discharged, residual part on heat-conducting plate 18 outer wall and the inner wall, the realization air-drying that blows off through air-cooler 11, water can take away partial heat water droplet when air-drying, further improve cooling efficiency, improvement product production efficiency.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. Injection mold of T type drainage pipe, including lower mould (1) and last mould (2), its characterized in that: the device also comprises an inner cavity (3) in the lower die (1), a heating component fixedly communicated with the inner cavity (3) and a refrigerating component fixedly communicated with the side wall of the inner cavity (3);

heating subassembly upper end is connected with back flow (4), heating subassembly lateral wall is connected with conveyer pipe (5), back flow (4) upper end passes lower mould (1) bottom and inner chamber (3) are linked together, install solenoid valve one (6) on back flow (4), conveyer pipe (5) one end passes lower mould (1) lateral wall and inner chamber (3) are linked together, install pump (7) on conveyer pipe (5), exhaust assembly of intercommunication inner chamber (3) is installed to lower mould (1) one side.

2. The injection mold of the T-shaped drainage catheter according to claim 1, wherein a mounting frame (8) is fixed at the bottom of the lower mold (1), the heating assembly comprises a heat preservation water tank (9), an electric heating rod (10) is fixedly installed in the heat preservation water tank (9), the heat preservation water tank (9) is fixed in the mounting frame (8), the lower end of the return pipe (4) is communicated with the top of the heat preservation water tank (9), the upper end of the return pipe is communicated with the inner cavity (3), one end of the return pipe (4) is communicated with the side wall of the heat preservation water tank (9), and the other end of the return pipe is communicated with the inner cavity (3).

3. The injection mold of the T-shaped drainage catheter according to claim 2, wherein the refrigerating assembly comprises an air cooler (11), a mounting plate (12) is fixed on one side of the mounting frame (8), the mounting plate (12) is arranged on one side, far away from the exhaust assembly, of the lower mold (1), the air cooler (11) is fixed on the mounting plate (12), the output end of the air cooler (11) is fixedly connected with an air outlet pipe (13), one end of the air outlet pipe (13) penetrates through the side wall of the lower mold (1) to be communicated with the inner cavity (3), and a solenoid valve II (14) is arranged on the air outlet pipe (13).

4. An injection mould for a T-shaped drainage catheter according to claim 3, wherein the exhaust assembly comprises an exhaust pipe (15), the exhaust pipe (15) is fixed on one side of the lower mould (1), one end of the exhaust pipe (15) passes through the side wall of the lower mould (1) to be communicated with the inner cavity (3), and a solenoid valve III (16) is arranged on the exhaust pipe (15).

5. The injection mold of the T-shaped drainage catheter according to claim 4, wherein the upper mold (2) is arranged above the lower mold (1), and an injection port (17) is formed in the center of the upper mold (2) in a communicating manner.

6. The injection mold of the T-shaped drainage catheter according to claim 5, wherein a plurality of heat conducting plates (18) are fixed on the inner top of the inner cavity (3) side by side at equal intervals, and the front ends of the heat conducting plates (18) are right opposite to the air outlet of the air outlet pipe (13).

7. The injection mold of the T-shaped drainage catheter according to claim 6, wherein an inclined groove (19) is arranged in the lower mold (1), the top of the inclined groove (19) is communicated with the bottom of the inner cavity (3), and the upper end of the return pipe (4) is communicated with the lowest point of the inclined groove (19).