Luer protective cap production mold

Abstract

The utility model relates to the technical field of protective cap production, in particular to a Ruhr protective cap production die which comprises a base, a fixed die holder is fixedly connected to the bottom end in the base, a plurality of evenly-distributed die cavities are formed in the right end face of the fixed die holder, and a first electric push rod is installed on the left end face of the base. The output end of the first electric push rod penetrates through the base and is fixedly connected with a driving base, the right end face of the driving base is fixedly connected with a plurality of push rods located in the multiple mold cavities correspondingly, the other ends of the push rods penetrate through the fixed mold base and are movably connected with the fixed mold base, and the other ends of the push rods are fixedly connected with push plates. The injection molding colloid makes contact with the push plate, meanwhile, the first electric push rod is started to drive the driving base to move leftwards, air in the mold cavity is pushed to the air outlet to be exhausted through the push plate and the rubber sealing ring, at the moment, the injection molding colloid flows into the mold cavity along with the push plate, and therefore the purposes that the exhaust hole is prevented from being blocked by the colloid, and the exhaust effect is good can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective cap production, in particular to a Luer protective cap production mould. Background Art

[0002] The Luer cap of the syringe can help the user adjust the dosage of the syringe to ensure the safety of the drug. It can also protect the needle and prevent it from being damaged, bent or contaminated. This can not only extend the service life of the syringe, but also reduce the risk of infection and avoid drug contamination and cross infection. In the production process of the Luer cap of the syringe, it is generally made by injection molding using an injection mold.

[0003] In order to avoid the phenomenon of glue shortage during the use of the existing Luer cap injection mold, a vent hole is usually opened on the outer wall of the mold cavity to discharge the air inside the mold cavity. This venting method has the problem that the vent hole is blocked by glue, resulting in poor venting effect. Therefore, it is necessary to propose a Luer cap production mold to solve the above-mentioned problem. Utility Model Content

[0004] The utility model aims to provide a Luer cap production mold, which has the characteristics of preventing the exhaust hole from being blocked by colloid and having good exhaust effect.

[0005] The utility model aims to provide a mold for producing a Luer cap, comprising a base, wherein the bottom end inside the base is fixedly connected to a fixed mold base, a plurality of evenly distributed mold cavities are opened on the right end surface of the fixed mold base, a first electric push rod is installed on the left end surface of the base, an output end of the first electric push rod penetrates the base and is fixedly connected to a driving seat, a plurality of push rods respectively located inside a plurality of mold cavities are fixedly connected to the right end surface of the driving seat, the other end of the push rod penetrates the fixed mold base and is movably connected to the fixed mold base, the other end of the push rod is fixedly connected to a push plate, and a rubber sealing ring is fixedly connected to the outer wall of the push plate;

[0006] The left end surface inside the mold cavity is penetrated by a plurality of evenly distributed air outlet holes;

[0007] A movable mold base is disposed at the right end of the fixed mold base, an injection tube is disposed at the right end of the movable mold base, a plurality of shunt tubes are connected to the left end of the injection tube, and the other ends of the plurality of shunt tubes penetrate the movable mold base and correspond to a plurality of mold cavities.

[0008] In order to increase the sealing between the movable mold base and the fixed mold base, as a preferred Luer cap production mold of the utility model, the right end of the fixed mold base is fixedly connected with a plurality of clamping rings corresponding to the mold cavity, the left end face of the movable mold base is provided with a plurality of clamping grooves matching the clamping rings, the right end of the clamping ring is fixedly connected with a sealing gasket, and the sealing gasket abuts against the clamping groove.

[0009] In order to facilitate the movement of the movable mold base, as a preferred Luer cap production mold of the utility model, a second electric push rod is installed on the right end face of the base, and the output end of the second electric push rod passes through the base and is fixedly connected to the movable mold base.

[0010] In order to facilitate the circulation and injection of cold water into the cavity, thereby facilitating the rapid cooling of the mold inside the cavity, as a preferred Luer cap production mold of the utility model, the right end face of the fixed mold base is provided with a plurality of annular grooves matching the mold cavity, a cavity is provided inside the annular groove, and a chiller is provided on the front end face of the fixed mold base, and a water outlet pipe and a water inlet pipe of the chiller both pass through the fixed mold base and are connected to the cavity.

[0011] In order to increase the stability of the driving seat and the movable mold seat during movement, as a preferred Luer cap production mold of the utility model, the left and right end surfaces of the fixed mold seat are fixedly connected with multiple limit rods, the limit rod at the left end is slidably connected to the driving seat, and the limit rod at the right end is slidably connected to the movable mold seat.

[0012] In order to prevent leakage of injection molding colloid, as a preferred embodiment of a Luer cap production mold of the utility model, the rubber sealing ring is interference fit with the mold cavity.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model drives the driving seat to move by the first electric push rod so that the driving seat abuts against the fixed mold seat, drives the movable mold seat to move by the second electric push rod so that the movable mold seat abuts against the fixed mold seat, and makes the injection colloid flow into the inside of the shunt pipe through the injection tube, and the injection colloid contacts the push plate. At the same time, the first electric push rod is started to drive the driving seat to move left, and pushes the air inside the mold cavity to the air outlet through the push plate and the rubber sealing ring for discharge. At this time, the injection colloid flows into the inside of the mold cavity along with the push plate, thereby preventing the exhaust hole from being blocked by the colloid and achieving a good exhaust effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a cross-sectional structural diagram of the utility model;

[0017] Figure 3 This is the push plate structure diagram of the utility model;

[0018] Figure 4 This is a structural diagram of the fixed mold base of the utility model.

[0019] In the figure: 1. base; 2. fixed mold base; 3. driving base; 4. movable mold base; 5. first electric push rod; 6. mold cavity; 7. push rod; 8. push plate; 9. clamping ring; 10. clamping groove; 11. injection tube; 12. second electric push rod; 13. limit rod; 14. rubber sealing ring; 15. shunt pipe; 16. annular groove; 17. cavity; 18. chiller; 19. air outlet. DETAILED DESCRIPTION

[0020] See also Figures 1 to 4 A Luer cap production mold comprises a base 1, a fixed mold base 2 is fixedly connected to the bottom end of the base 1, a plurality of evenly distributed mold cavities 6 are opened on the right end surface of the fixed mold base 2, a first electric push rod 5 is installed on the left end surface of the base 1, an output end of the first electric push rod 5 passes through the base 1 and is fixedly connected to a driving seat 3, a plurality of push rods 7 respectively located in a plurality of mold cavities 6 are fixedly connected to the right end surface of the driving seat 3, the other end of the push rod 7 passes through the fixed mold base 2 and is movably connected to the fixed mold base 2, a push plate 8 is fixedly connected to the other end of the push rod 7, and a rubber sealing ring 14 is fixedly connected to the outer wall of the push plate 8; a plurality of evenly distributed air outlet holes 19 are opened on the left end surface of the mold cavity 6;

[0021] A movable mold base 4 is provided at the right end of the fixed mold base 2, and an injection tube 11 is provided at the right end of the movable mold base 4. The left end of the injection tube 11 is connected to multiple shunt tubes 15, and the other ends of the multiple shunt tubes 15 pass through the movable mold base 4 and correspond to multiple mold cavities 6.

[0022] In this embodiment: when in use, the first electric push rod 5 first drives the driving seat 3 to move, so that the driving seat 3 abuts against the fixed mold base 2, and then the second electric push rod 12 abuts the movable mold base 4 against the fixed mold base 2;

[0023] The injection molding colloid flows into the shunt tube 15 through the injection tube 11. At this time, the injection molding colloid contacts the push plate 8. At the same time, the first electric push rod 5 is started to drive the drive seat 3 to move to the left, and the air inside the mold cavity 6 is pushed to the air outlet 19 through the push plate 8 and the rubber sealing ring 14 for discharge. At this time, the injection molding colloid flows into the mold cavity 6 along with the push plate 8, thereby preventing the exhaust hole from being blocked and achieving a good exhaust effect.

[0024] As a technical optimization solution of the utility model, the right end of the fixed mold base 2 is fixedly connected with a plurality of clamping rings 9 corresponding to the mold cavity 6, the left end face of the movable mold base 4 is provided with a plurality of clamping grooves 10 matching the clamping rings 9, and the right end of the clamping ring 9 is fixedly connected with a sealing gasket, which abuts against the clamping groove 10.

[0025] In this embodiment, the sealing gasket is in contact with the card slot 10, so that the sealing performance between the movable mold base 4 and the fixed mold base 2 can be increased.

[0026] As a technical optimization solution of the utility model, a second electric push rod 12 is installed on the right end surface of the base 1 , and the output end of the second electric push rod 12 passes through the base 1 and is fixedly connected to the movable mold base 4 .

[0027] In this embodiment: the movable mold base 4 can be driven to move by the second electric push rod 12 .

[0028] As a technical optimization solution of the utility model, the right end face of the fixed mold base 2 is provided with a plurality of annular grooves 16 matching the mold cavity 6, a cavity 17 is arranged inside the annular groove 16, and a chiller 18 is arranged on the front end face of the fixed mold base 2. The water outlet pipe and the water inlet pipe of the chiller 18 both pass through the fixed mold base 2 and are connected with the cavity 17.

[0029] In this embodiment, cold water can be circulated and injected into the cavity 17 through the water outlet pipe and the water inlet pipe of the chiller 18, so as to facilitate cooling the mold inside the mold cavity 6.

[0030] As a technical optimization solution of the utility model, multiple limit rods 13 are fixedly connected to the left and right end surfaces of the fixed mold base 2. The limit rod 13 at the left end is slidably connected to the driving base 3, and the limit rod 13 at the right end is slidably connected to the movable mold base 4.

[0031] In this embodiment: the limit rod 13 at the left end is slidably connected to the driving seat 3, which can increase the stability of the movement of the driving seat 3. The limit rod 13 at the right end is slidably connected to the movable mold seat 4, which can increase the stability of the movement of the movable mold seat 4.

[0032] As a technical optimization solution of the utility model, the rubber sealing ring 14 is interference fit with the mold cavity 6 .

[0033] In this embodiment, the rubber sealing ring 14 is interference-fitted with the mold cavity 6 to prevent the injection colloid from leaking.

[0034] Working principle: When in use, firstly, the driving seat 3 is abutted against the fixed mold seat 2 through the first electric push rod 5, and then the movable mold seat 4 is abutted against the fixed mold seat 2 through the second electric push rod 12, and then the injection colloid flows into the shunt pipe 15 through the injection tube 11. At this time, the injection colloid contacts the push plate 8, and at the same time, the first electric push rod 5 is started to drive the driving seat 3 to move to the left, and the air inside the mold cavity 6 is pushed to the air outlet 19 through the push plate 8 and the rubber sealing ring 14 to be discharged. At this time, the injection colloid flows into the mold cavity 6 with the push plate 8, so as to prevent the exhaust hole from being blocked, and the exhaust effect is good;

[0035] During the injection molding process, the cold water in the chiller 18 can be circulated and injected into the cavity 17 through the outlet pipe and the inlet pipe of the chiller 18, so as to facilitate cooling of the mold;

[0036] After the mold is cooled and formed, start the second electric push rod 12 to drive the movable mold base 4 to move to the right, and then start the first electric push rod 5 to drive the drive base 3, push rod 7 and push plate 8 to move to the right, so that the protective cap injection molded inside the mold cavity 6 can be pushed out of the mold cavity 6, making it convenient to take out the protective cap.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A Luer cap production mold, comprising a base (1), characterized in that: The bottom end of the base (1) is fixedly connected to a fixed mold base (2), and the right end surface of the fixed mold base (2) is provided with a plurality of evenly distributed mold cavities (6). The left end surface of the base (1) is provided with a first electric push rod (5), and the output end of the first electric push rod (5) passes through the base (1) and is fixedly connected to a driving base (3). The right end surface of the driving base (3) is fixedly connected to a plurality of push rods (7) respectively located inside the plurality of mold cavities (6). The other end of the push rod (7) passes through the fixed mold base (2) and is movably connected to the fixed mold base (2). The other end of the push rod (7) is fixedly connected to a push plate (8), and the outer wall of the push plate (8) is fixedly connected to a rubber sealing ring (14); The left end surface inside the mold cavity (6) is penetrated by a plurality of evenly distributed air outlet holes (19); A movable mold base (4) is arranged at the right end of the fixed mold base (2), an injection tube (11) is arranged at the right end of the movable mold base (4), and a plurality of shunt tubes (15) are connected to the left end of the injection tube (11), and the other ends of the plurality of shunt tubes (15) all pass through the movable mold base (4) and correspond to the plurality of mold cavities (6).

2. A Luer cap production mold according to claim 1, characterized in that: The right end of the fixed mold base (2) is fixedly connected to a plurality of clamping rings (9) corresponding to the mold cavity (6); the left end surface of the movable mold base (4) is provided with a plurality of clamping grooves (10) matching the clamping rings (9); the right end of the clamping ring (9) is fixedly connected to a sealing gasket, and the sealing gasket abuts against the clamping groove (10).

3. A Luer cap production mold according to claim 1, characterized in that: A second electric push rod (12) is installed on the right end surface of the base (1), and the output end of the second electric push rod (12) passes through the base (1) and is fixedly connected to the movable mold base (4).

4. A Luer cap production mold according to claim 1, characterized in that: The right end surface of the fixed mold base (2) is provided with a plurality of annular grooves (16) matching the mold cavity (6), and a cavity (17) is provided inside the annular groove (16). The front end surface of the fixed mold base (2) is provided with a chiller (18), and the water outlet pipe and the water inlet pipe of the chiller (18) both penetrate the fixed mold base (2) and are connected to the cavity (17).

5. A Luer cap production mold according to claim 1, characterized in that: A plurality of limit rods (13) are fixedly connected to both left and right end surfaces of the fixed mold base (2); the limit rod (13) at the left end is slidably connected to the driving base (3), and the limit rod (13) at the right end is slidably connected to the movable mold base (4).

6. A Luer cap production mold according to claim 1, characterized in that: The rubber sealing ring (14) is interference fit with the mold cavity (6).

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