Medicine bottle production injection mold

Abstract

The utility model provides a medicine bottle production injection mold which is characterized in that the top of a machine tool is movably connected with a forming mold, the top of the forming mold is provided with a blow molding assembly, the blow molding assembly comprises an air blowing head, the air blowing head is movably installed at the top of the forming mold, a connecting assembly is arranged on the outer surface of the air blowing head, and the connecting assembly comprises a first connecting sleeve; the first connecting sleeve is fixedly connected to the outer surface of the blowing head, the shrinking assembly is arranged on the outer surface of the blowing head, the moving assembly is arranged on the outer surface of the blowing head, and an electric telescopic rod is fixedly connected to the top of the blowing head. According to the medicine bottle production injection mold, the moving plate is driven by the electric pull rod to move upwards, and the two contraction plates are pushed to move inwards under the action of the elastic force of the contraction springs, so that when the blowing head is inserted into the mold base, the contraction plates contract inwards and can be separated from the surface of the mold base; and the situation that the mold base is dragged to deform due to upward movement of the blowing head is also prevented, and the production quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of medicine bottle manufacturing technology, and in particular to an injection mold for medicine bottle manufacturing. Background Technology

[0002] Pharmaceutical plastic bottles are generally made of materials such as PE, PP, and PET. They have advantages such as being not easily broken, having good sealing performance, being moisture-proof, hygienic, and meeting the special requirements of pharmaceutical packaging. They can be used directly for pharmaceutical packaging without washing or drying, making them an excellent pharmaceutical packaging container.

[0003] Extrusion blow molding is a method for manufacturing medicine bottles. It involves extruding a plastic preform through a hollow plastic tube into a closed mold, clamping it, and cutting the preform. Then, the preform is blown into the cold wall of the mold cavity, and the opening is adjusted while maintaining a certain pressure during cooling. However, it requires inserting the blow molding head into the interior of the preform. When the blow molding head extends outward, the preform adheres to the blow molding head, which can easily cause the preform to be dragged and deformed, thus affecting the quality of processing.

[0004] Therefore, it is necessary to provide an injection mold for the production of medicine bottles to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides an injection mold for producing medicine bottles, which solves the problem that plastic preforms easily adhere to the blow molding head and are prone to deformation.

[0006] To solve the above technical problems, this utility model provides an injection mold for producing medicine bottles, comprising: a forming mold movably connected to the top of a machine tool, a blow molding assembly provided on the top of the forming mold, the blow molding assembly including an air blowing head, the air blowing head being movably installed on the top of the forming mold;

[0007] A connecting component is disposed on the outer surface of the air blowing head, the connecting component including a first connecting sleeve, the first connecting sleeve being fixedly connected to the outer surface of the air blowing head;

[0008] A shrinking assembly is disposed on the outer surface of the blowing head;

[0009] A movable component is disposed on the outer surface of the air blowing head.

[0010] Preferably, an electric telescopic rod is fixedly connected to the top of the air blowing head, a support frame is fixedly connected to the outer surface of the electric telescopic rod, and the support frame is fixedly connected to the inner surface of the top of the machine tool.

[0011] Preferably, a second connecting sleeve is fixedly connected to the outer surface of the air blowing head at the bottom of the first connecting sleeve, and connecting plates are fixedly connected to both ends of the second connecting sleeve.

[0012] Preferably, the retraction assembly includes a connecting rod, one end of which is fixedly connected to the outer surface of the air blowing head near both ends of the bottom, and a retraction spring is movably mounted on the outer surface of the connecting rod.

[0013] Preferably, a shrink plate is movably connected to the outer surface of the connecting rod, and the shrink plate is fixedly connected to one end of the shrink spring.

[0014] Preferably, the moving component includes an electric pull rod, which is fixedly connected to the bottom of the first connecting sleeve, and a moving plate is fixedly connected to the bottom of the electric pull rod.

[0015] Compared with related technologies, the injection mold for producing medicine bottles provided by this utility model has the following beneficial effects:

[0016] This utility model provides an injection mold for producing medicine bottles. The moving plate is driven to move upward by an electric pull rod. Under the action of the elastic force of the contraction spring, the two contraction plates are pushed to move inward. So when the air blower is inserted into the mold blank, the contraction plates contract inward, which can separate from the surface of the mold blank. At the same time, it also prevents the mold blank from being dragged and deformed due to the upward movement of the air blower, thus improving the quality of production. Attached Figure Description

[0017] Figure 1 A schematic diagram of a preferred embodiment of an injection mold for producing medicine bottles provided by this utility model;

[0018] Figure 2 for Figure 1 The diagram shows the internal structure of the machine tool.

[0019] Figure 3 for Figure 1 The diagram shows the bottom structure of the air blowing head.

[0020] Labels in the diagram: 1. Machine tool

[0021] 2. Molding mold,

[0022] 3. Blow molding components; 31. Support frame; 32. Electric telescopic rod; 33. Air blowing head.

[0023] 4. Connecting components; 41. First connecting sleeve; 42. Second connecting sleeve; 43. Connecting plate.

[0024] 5. Shrink assembly; 51. Connecting rod; 52. Shrink spring; 53. Shrink plate.

[0025] 6. Moving components; 61. Electric pull rod; 62. Moving plate. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of a preferred embodiment of an injection mold for producing medicine bottles provided by this utility model; Figure 2 for Figure 1 The diagram shows the internal structure of the machine tool. Figure 3 for Figure 1 The diagram shows the bottom structure of the air blowing head. A medicine bottle manufacturing injection mold includes: a forming mold 2 movably connected to the top of a machine tool 1; a blow molding assembly 3 is provided on the top of the forming mold 2; the blow molding assembly 3 includes an air blowing head 33, which is movably mounted on the top of the forming mold 2.

[0028] A connecting component 4 is disposed on the outer surface of the air blowing head 33. The connecting component 4 includes a first connecting sleeve 41, which is fixedly connected to the outer surface of the air blowing head 33.

[0029] A shrinkage assembly 5 is disposed on the outer surface of the air blowing head 33;

[0030] Movable component 6 is disposed on the outer surface of the air blowing head 33.

[0031] A protective door is fixedly installed on the outer surface of the machine tool 1. The surface of the protective door is fixedly installed with tempered glass, which allows the staff to observe the working conditions inside the machine tool 1. The forming mold 2 is a mold with many cavities inside, and is divided into two parts in the middle. The mold blank is squeezed by the relative sliding of the front and rear parts and blown by the blow molding component 3. Finally, the parts slide towards each other to remove the product. The function of the blow molding component 3 is blow molding. There are multiple air blowing heads 33, which are the same as the number of cavities inside the forming mold 2. Each air blowing head 33 is vertically installed on the top of each cavity. By embedding the air blowing head 33 into the interior of each cavity, air is blown into the mold blank in the cavity to expand the mold blank, and then it is squeezed and formed by the cavity.

[0032] An electric telescopic rod 32 is fixedly connected to the top of the air blowing head 33, and a support frame 31 is fixedly connected to the outer surface of the electric telescopic rod 32. The support frame 31 is fixedly connected to the inner surface of the top of the machine tool 1.

[0033] Each electric telescopic rod 32 is fixedly connected to its top. The extension and retraction of the electric telescopic rod 32 can move the air blowing head 33 up and down, inserting and moving it out of the mold blank. The support frame 31 has a supporting function.

[0034] A second connecting sleeve 42 is fixedly connected to the outer surface of the air blowing head 33 at the bottom of the first connecting sleeve 41, and connecting plates 43 are fixedly connected to both ends of the second connecting sleeve 42.

[0035] Each air blowing head 33 has a connecting component 4 at its bottom. The second connecting sleeve 42 is fixedly connected to the outer surface of the air blowing head 33 of the first connecting sleeve 41. The connecting plate 43 is L-shaped. Each second connecting sleeve 42 has a connecting plate 43 fixedly connected to its left and right ends. The connection with the shrinking component 5 is achieved through the connecting plate 43.

[0036] The retraction assembly 5 includes a connecting rod 51, one end of which is fixedly connected to the outer surface of the air blowing head 33 near the bottom ends, and a retraction spring 52 is movably mounted on the outer surface of the connecting rod 51.

[0037] Each air-blowing head 33 has two sets of contraction components 5 on its bottom surface. One end of each of the two connecting rods 51 is fixedly connected to the outer surface of the air-blowing head 33 near the bottom left and right ends, while the other end is fixedly connected to the surface of the two connecting plates 43 near the bottom. The two contraction springs 52 are movably sleeved on the outer surface of the two connecting rods 51, and one end is fixedly connected to the bottom surface of the two connecting plates 43.

[0038] A shrink plate 53 is movably connected to the outer surface of the connecting rod 51, and the shrink plate 53 is fixedly connected to one end of the shrink spring 52.

[0039] While the two shrink plates 53 are slidably sleeved on the outer surfaces of the two connecting rods 51, they are also fixedly connected to the other ends of the two shrink springs 52. Thus, under the elastic force of the shrink springs 52, the two shrink plates 53 are pushed to always be connected to both ends of the moving plate 62.

[0040] The moving component 6 includes an electric pull rod 61, which is fixedly connected to the bottom of the first connecting sleeve 41, and a moving plate 62 is fixedly connected to the bottom of the electric pull rod 61.

[0041] Each air blowing head 33 has a movable component 6 on its outer surface. There are multiple electric pull rods 61, the top of which is fixedly connected to the bottom of the first connecting sleeve 41 and the surface is fixedly connected to the surface of the second connecting sleeve 42. The shrinkage spring 52 is a circular sleeve with arc-shaped plates fixedly connected to the front and rear ends of the bottom. The bottom ends of the two arc-shaped plates are conical. When the electric pull rod 61 drives the movable plate 62 to move upward, the shrinkage plate 53 is pushed by the shrinkage spring 52 and slides inward along the surfaces of the two ends of the movable plate 62, thereby reducing the bottom diameter and separating from the inner surface of the mold blank.

[0042] The working principle of the injection mold for producing medicine bottles provided by this utility model is as follows:

[0043] First, the mold blank is extruded into the mold 2 using an injection molding device. Then, the mold 2 slides relative to the mold blank to hold it in place. Next, the support frame 31 is activated to move the air blowing heads 33 downwards, with each air blowing head 33 inserting into the corresponding mold blank. Gas is then injected into the mold blank through the air blowing heads 33 using an air injection device. The mold blank expands and is formed by the compression of the mold 2. After forming, the electric pull rod 61 is activated to move the moving plate 62 upwards. The moving plate 62 gradually detaches from the surface of the shrink plate 53. Due to the tapered bottom of the shrink plate 53, the elastic force of the shrink spring 52 pushes the two shrink plates 53 to slide inwards along the surfaces at both ends of the moving plate 62, thus detaching the shrink plate 53 from the surface of the mold blank. Finally, the electric telescopic rod 32 is activated to move the air blowing heads 33 upwards, thereby preventing the air blowing heads 33 from dragging the mold blank and causing deformation.

[0044] Compared with related technologies, the injection mold for producing medicine bottles provided by this utility model has the following beneficial effects:

[0045] This utility model provides an injection mold for producing medicine bottles. The moving plate 62 is driven to move upward by an electric pull rod 61. Under the action of the elastic force of the contraction spring 52, the two contraction plates 53 are pushed to move inward. Thus, when the air blower 33 is inserted into the mold blank, the contraction plates 53 contract inward, which can separate from the surface of the mold blank. At the same time, it also prevents the mold blank from being dragged and deformed due to the upward movement of the air blower 33, thereby improving the quality of production.

[0046] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An injection mold for manufacturing medicine bottles, characterized in that, include: A forming mold is movably connected to the top of the machine tool, and a blow molding assembly is provided on the top of the forming mold. The blow molding assembly includes an air blowing head, which is movably mounted on the top of the forming mold. A connecting component is disposed on the outer surface of the air blowing head, the connecting component including a first connecting sleeve, the first connecting sleeve being fixedly connected to the outer surface of the air blowing head; A shrinking assembly is disposed on the outer surface of the blowing head; A movable component is disposed on the outer surface of the air blowing head.

2. The injection mold for producing medicine bottles according to claim 1, characterized in that, An electric telescopic rod is fixedly connected to the top of the air blowing head, and a support frame is fixedly connected to the outer surface of the electric telescopic rod. The support frame is fixedly connected to the inner surface of the top of the machine tool.

3. The injection mold for producing medicine bottles according to claim 1, characterized in that, A second connecting sleeve is fixedly connected to the outer surface of the air blowing head at the bottom of the first connecting sleeve, and connecting plates are fixedly connected to both ends of the second connecting sleeve.

4. The injection mold for producing medicine bottles according to claim 1, characterized in that, The retraction assembly includes a connecting rod, one end of which is fixedly connected to the outer surface of the air blowing head near both ends of the bottom, and a retraction spring is movably mounted on the outer surface of the connecting rod.

5. The injection mold for producing medicine bottles according to claim 4, characterized in that, A shrink plate is movably connected to the outer surface of the connecting rod, and the shrink plate is fixedly connected to one end of the shrink spring.

6. The injection mold for producing medicine bottles according to claim 1, characterized in that, The movable component includes an electric pull rod, which is fixedly connected to the bottom of the first connecting sleeve, and a movable plate is fixedly connected to the bottom of the electric pull rod.

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