Bottle blowing mechanism of medicinal infusion bag bottle blowing machine

Abstract

The utility model discloses a bottle blowing mechanism of a medicinal infusion bag bottle blowing machine, and relates to the technical field of infusion bag processing, the bottle blowing mechanism comprises two groups of symmetrically arranged bottle blowing molds and a blowing nozzle connected above the bottle blowing molds, a mold cavity is formed in each bottle blowing mold, a pressing assembly is embedded in each mold cavity, and the pressing assembly is connected with the bottle blowing mold. The pressing assembly is arranged on one side of the mounting block through the telescopic spring, and the mounting block is fixedly mounted in the bottle blowing mold. According to the bottle blowing mold, the pressing assemblies are arranged on one side of the mold cavity in the embedded mode, under the telescopic action of the pressing assemblies, the symmetrically-arranged pressing assemblies conduct symmetrical pressing in the symmetrically-arranged bottle blowing mold, and corner pressing can be conveniently conducted on an infusion bottle blown in the bottle blowing mold; compared with an existing infusion bag produced through extrusion film pressing, integration of infusion bag machining is guaranteed, secondary reinforcement of the infusion bag is achieved through edge pressing, and the machining quality and machining efficiency of the infusion bag are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of infusion bag processing, in particular to a bottle blowing mechanism of a medicinal infusion bag blowing machine. Background Technique

[0002] An infusion bag is a container for intravenous infusion. After temporarily storing and mixing nutrient solutions and therapeutic drugs, it delivers nutrient fluids and drugs to patients' veins. It can be divided into general intravenous nutrition infusion bags and pressurized infusion bags. Infusion bags are designed to avoid cross-infection and can be discarded after each use, reducing the risk of infectious disease transmission. The main part of the infusion bag is usually made of plastic material and has a certain capacity to hold infusion fluids. Currently, in the processing process of medicinal infusion bags, the bag mouth of the infusion bag is usually press-fitted and sealed through the combination of multiple layers of film bodies.

[0003] In an interface heat-sealing device for infusion bag production with the Chinese patent publication number CN219821938U, the interface heat-sealing device for infusion bag production discloses including a processing box. A first motor is fixedly connected to the top of the processing box. A bidirectional threaded rod is fixedly connected to the bottom of the first motor. A threaded block is threadedly connected to the periphery of the bidirectional threaded rod. A limiting rod is slidably connected to the front and rear sides inside the threaded block. A heating block is fixedly connected to the top of the threaded block. A limiting plate is fixedly connected to the periphery of the limiting rod. Limiting mechanisms are fixedly connected to the front and rear sides of the limiting plate. A driving clamping mechanism is fixedly connected to the right side inside the processing box. The driving clamping mechanism includes a clamping component and a driving component. The clamping component is arranged on top of the driving component. The driving component includes a fixed rod, and the fixed rod is fixedly connected to the inside of the processing box.

[0004] In the above document, the interface heat-sealing device for infusion bag production can clamp and fit the infusion bag through the clamping component. However, this device processes the infusion bag through interface heat-sealing and cannot form an integrated production of the infusion bag, resulting in poor sealing and connection stability of the medicinal infusion bag, easy leakage of the internal liquid medicine, and increased use costs. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages that the existing interface heat-sealing device for infusion bag production processes the infusion bag through interface heat-sealing and cannot form an integrated production of the infusion bag, resulting in poor sealing and connection stability of the medicinal infusion bag, easy leakage of the internal liquid medicine, and increased use costs, and to propose a bottle blowing mechanism of a medicinal infusion bag blowing machine.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The bottle blowing mechanism of a medical infusion bag bottle blowing machine includes two groups of symmetrically arranged bottle blowing molds and a blowing nozzle connected above the bottle blowing molds. A mold cavity is provided inside the bottle blowing mold, and a pressing component is fitted inside the mold cavity. The pressing component is arranged on one side of a mounting block through a telescopic spring, and the mounting block is fixedly installed inside the bottle blowing mold;

[0008] The inside of the pressing component includes a pressing block, and the pressing block is fitted and installed inside the mold cavity. The other side of the pressing block is fixedly connected with a connecting rod, and a side plate is installed between two groups of parallel connecting rods. Connecting ears are symmetrically arranged on the outer side of the connecting rod.

[0009] As a further description of the above technical solution:

[0010] The inner side of the side plate is connected with the mounting block through a telescopic spring, and multiple groups of telescopic springs are arranged in parallel on the inner side of the side plate.

[0011] As a further description of the above technical solution:

[0012] A cavity for accommodating the expansion and contraction of the pressing component is provided between the bottle blowing mold and the mounting block.

[0013] As a further description of the above technical solution:

[0014] The mounting block is arranged on one side of the mold cavity, and multiple groups of heat dissipation holes are provided inside the mounting block.

[0015] As a further description of the above technical solution:

[0016] One side of the connecting ear is connected with the bottle blowing mold through a support spring, and the connecting ears are symmetrically arranged about the central axis of the pressing component.

[0017] As a further description of the above technical solution:

[0018] The other side of the connecting ear is driven by an electric push rod, and the electric push rod is fixedly installed on one side of the bottle blowing mold, and a mold base is fixedly connected to the other side of the bottle blowing mold.

[0019] As a further description of the above technical solution:

[0020] Two groups of the connecting rods are arranged in a "U" - shaped structure in parallel on the surface of the pressing block, and a mounting block is arranged on the inner side of the connecting rods.

[0021] As a further description of the above technical solution:

[0022] The pressing block is arranged in a "U" - shaped structure with a hem on the upper side, and the pressing block is vertically distributed with the connecting rod.

[0023] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0024] In the present utility model, by fitting and arranging a pressing component on one side of the mold cavity, under the telescopic action of the pressing component, the symmetrically arranged pressing components perform symmetric pressing inside the symmetrically arranged blow molding die, facilitating the corner pressing of the infusion bottles blown inside the blow molding die. Through such an arrangement, compared with the existing extrusion film pressing for producing infusion bags, the integration of infusion bag processing is ensured. And through the pressing of the edges, the secondary reinforcement of the infusion bag is achieved, improving the processing quality and efficiency of the infusion bag. Moreover, the structure is simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a front view structural schematic diagram of the blow molding die and the pressing component in the present utility model;

[0026] Figure 2 is a top view sectional structural schematic diagram of the blow molding die and the pressing component in the present utility model;

[0027] Figure 3 is a three-dimensional structural schematic diagram of the pressing component in the present utility model.

[0028] Legend Explanation:

[0029] Blow molding die; 2, Air blowing nozzle; 3, Mold base; 4, Pressing component; 401, Pressing block; 402, Connecting rod; 403, Side plate; 404, Connecting ear; 5, Telescopic spring; 6, Mounting block; 7, Support spring; 8, Electric push rod; 9, Mold cavity. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0031] Refer to Figures 1 - 3The blowing mechanism of the blow molding machine for a medicinal infusion bag comprises two groups of symmetrically arranged blowing molds 1, a blowing nozzle 2 connected to the top of the blowing mold 1, a mold base 3, a pressing assembly 4, a pressing block 401, a connecting rod 402, a side plate 403, a connecting ear 404, a telescopic spring 5, a mounting block 6, a supporting spring 7, an electric push rod 8 and a mold cavity 9. By symmetrically connecting the two groups of blowing molds 1, under the action of the blowing nozzle 2 arranged on the top, the blowing nozzle 2 can blow the embryo inside the blowing mold 1 through a high-pressure airflow, so that the infusion bag is filled inside the blowing mold 1. This is an existing blowing structure. For details, please refer to a blowing mechanism of a blow molding machine with a publication number of CN219236117U. At the same time, considering the blowing effect of the infusion bag inside the blowing mold 1, in the blowing mold A mold cavity 9 is provided inside the mold 1 to facilitate the molding of the infusion bag inside the bottle blowing mold 1. At the same time, a mold base 3 is fixedly connected to the other side of the bottle blowing mold 1 to facilitate the connection and sealing of the symmetrically arranged bottle blowing mold 1. Considering the edge sealing and sealing of the formed infusion bag, a pressing component 4 is embedded in the mold cavity 9 to ensure the connection effect of the infusion bag. Specifically, the pressing component 4 is arranged on one side of the mounting block 6 through the telescopic spring 5, and the mounting block 6 is fixedly installed inside the bottle blowing mold 1, and a plurality of heat dissipation holes are provided inside the mounting block 6. When the mounting block 6 is arranged on one side of the mold cavity 9, the inside of the mold cavity 9 can be effectively cooled and dissipated, which is beneficial to improving the blowing efficiency of the infusion bag and realizing the stability and compactness of the internal structure of the bottle blowing mold 1.

[0032] Furthermore, a pressing block 401 is included inside the pressing assembly 4, and the pressing block 401 is embedded and installed inside the mold cavity 9, ensuring the molding accuracy inside the mold cavity 9. The pressing block 401 is set in a "凵"-shaped structure with a folded edge on the top, which is convenient for accurate pressing of the corners of the infusion bag. At the same time, a connecting rod 402 is fixedly connected to the other side of the pressing block 401. Specifically, two groups of connecting rods 402 are set in parallel in a "凵"-shaped structure on the surface of the pressing block 401, and the pressing block 401 and the connecting rod 402 are vertically distributed. A side plate 403 is installed between two sets of parallel connecting rods 402. The inner side of the side plate 403 is connected to the mounting block 6 through a telescopic spring 5. Two sets of telescopic springs 5 ​​are arranged in parallel on the inner side of the side plate 403, which facilitates the telescopic movement of the pressing assembly 4 inside the bottle blowing mold 1. At the same time, the mounting block 6 is arranged on the inner side of the connecting rod 402, and a cavity that can accommodate the telescopic movement of the pressing assembly 4 is arranged between the bottle blowing mold 1 and the mounting block 6, which ensures the stability of the telescopic movement of the pressing assembly 4 inside the bottle blowing mold 1. The structure is simple and the operation is simple and convenient.

[0033] Further, considering the driving of the pressing component 4, connection lugs 404 are symmetrically arranged on the outer side of the connecting rod 402. One side of the connection lug 404 is connected to the blow molding die 1 through a support spring 7. At the same time, two groups of connection lugs 404 are symmetrically arranged about the central axis of the pressing component 4, which is convenient for driving the pressing component 4 to move in a balanced manner. At the same time, the other side of the connection lug 404 is driven by an electric push rod 8, and the electric push rod 8 is fixedly installed on one side of the blow molding die 1, which is convenient for the electric push rod 8 to drive the pressing component 4 through the connection lug 404. Moreover, under the action of the support spring 7, the movement of the pressing component 4 can be effectively buffered, ensuring the movement effect of the pressing component 4.

[0034] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A bottle blowing mechanism of a bottle blowing machine for a medicinal infusion bag, comprising two sets of symmetrically arranged bottle blowing molds (1) and a blowing nozzle (2) connected above the bottle blowing molds (1), characterized in that: The inside of the blow molding die (1) is provided with a mold cavity (9), and a pressing component (4) is fitted inside the mold cavity (9). The pressing component (4) is arranged on one side of the mounting block (6) through a telescopic spring (5), and the mounting block (6) is fixedly installed inside the blow molding die (1). The inside of the pressing component (4) includes a pressing block (401), and the pressing block (401) is fitted inside the mold cavity (9). The other side of the pressing block (401) is fixedly connected with a connecting rod (402), and a side plate (403) is installed between two groups of parallel connecting rods (402). Connecting ears (404) are symmetrically arranged on the outer side of the connecting rod (402).

2. The bottle blowing mechanism of the bottle blowing machine for medicinal infusion bags according to claim 1 is characterized in that: The inner side of the side plate (403) is connected with the mounting block (6) through a telescopic spring (5), and multiple groups of telescopic springs (5) are arranged in parallel on the inner side of the side plate (403).

3. The bottle blowing mechanism of the bottle blowing machine for medical infusion bags according to claim 1 is characterized in that: A cavity for accommodating the expansion and contraction of the pressing component (4) is arranged between the blow molding die (1) and the mounting block (6).

4. The bottle blowing mechanism of the bottle blowing machine for medicinal infusion bags according to claim 3 is characterized in that: The mounting block (6) is arranged on one side of the mold cavity (9), and multiple heat dissipation holes are provided inside the mounting block (6).

5. The bottle blowing mechanism of the bottle blowing machine for medical infusion bags according to claim 1 is characterized in that: One side of the connecting ear (404) is connected with the blow molding die (1) through a support spring (7), and the connecting ears (404) are symmetrically arranged about the central axis of the pressing component (4).

6. The bottle blowing mechanism of the bottle blowing machine for medical infusion bags according to claim 5 is characterized in that: The other side of the connecting ear (404) is driven by an electric push rod (8), and the electric push rod (8) is fixedly installed on one side of the blow molding die (1), and a mold base (3) is fixedly connected to the other side of the blow molding die (1).

7. The bottle blowing mechanism of the bottle blowing machine for medical infusion bags according to claim 1 is characterized in that: Two groups of the connecting rods (402) are arranged in a "U" - shaped structure in parallel on the surface of the pressing block (401), and the mounting block (6) is arranged on the inner side of the connecting rods (402).

8. The bottle blowing mechanism of the bottle blowing machine for medical infusion bags according to claim 7 is characterized in that: The pressing block (401) is arranged in a "U" - shaped structure with a folded edge at the upper part, and the pressing block (401) and the connecting rod (402) are vertically distributed.

Images