Sealing device for injection mold

Abstract

The utility model provides a sealing device for an injection mold, which relates to the technical field of injection molds and comprises a mold I, a fixing component is arranged on the outer side of the mold I, a buckle component is arranged on one side of the fixing component, a locking component is arranged between the fixing component and the buckle component, an extrusion component is arranged in the locking component, and the extrusion component is arranged on the outer side of the mold I. The extrusion assembly comprises an inner soft cushion, a soft cushion open groove is formed in the inner soft cushion, an umbrella-shaped plate is arranged in the soft cushion open groove, an elastic piece is arranged at the bottom of the umbrella-shaped plate, a supporting soft cushion is arranged at the bottom of the elastic piece, and when the locking assembly conducts locking, the inner soft cushion can be extruded; according to the plastic injection mold, the elastic piece is arranged in the inner soft cushion, so that the umbrella-shaped plate arranged in the soft cushion groove formed in the inner soft cushion extrudes the elastic piece, the supporting soft cushion supports the elastic piece, the umbrella-shaped plate is flatly laid, the interior is sealed, liquid in the plastic injection mold is prevented from leaking out, and the technical problem that materials leak from the side face is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold sealing device. Background Art

[0002] The main function of an injection mold sealing device is to ensure that the molten material does not leak from the parting surface or other unexpected parts of the mold during the plastic injection molding process. It ensures the quality of the molded parts by providing a precise closed environment, prevents material waste, and maintains the service life of the mold. In addition, good sealing performance can also help reduce the molding cycle time and improve production efficiency.

[0003] Some injection mold sealing devices on the market are designed mainly for sealing during the injection process, but they are usually unable to effectively prevent material residue or overflow after injection, which means that there may be material loss during the demolding process, resulting in raw material waste and reduced production efficiency. In addition, these sealing devices are often unable to effectively seal the sides of the mold, which may cause side leakage and affect the precision and quality of the molded parts. This situation will cause greater problems especially in precision injection molding or special material processing, because these applications have more stringent requirements on sealing performance. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art and provide an injection mold sealing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an injection mold sealing device, comprising a mold 1, a fixing component is arranged on the outer side of the mold 1, a buckle component is arranged on one side of the fixing component, a locking component is arranged between the fixing component and the buckle component, and an extrusion component is arranged inside the locking component;

[0006] The extrusion assembly comprises an inner cushion, a cushion groove is provided in the inner cushion, an umbrella-shaped plate is arranged in the cushion groove, a spring sheet is arranged at the bottom of the umbrella-shaped plate, and a supporting cushion is arranged at the bottom of the spring sheet.

[0007] As a preferred embodiment, the locking assembly includes a fixing plate three, a connecting plate is arranged on the top of the fixing plate three, a slot is opened on the connecting plate, a screw is arranged on the connecting plate through the slot, and a nut is arranged on one side of the screw.

[0008] The technical effect of adopting the above further scheme is: preliminary fixation is performed in the equipment by setting three sets of fixing plates, and the connecting plates are locked by the cooperation of screws and nuts, thereby playing a locking role.

[0009] As a preferred embodiment, the fixing assembly includes a fixing plate 1, a fixing plate slot is provided on the inner side of the fixing plate 1, and a fitting plate is provided on the other side of the fixing plate slot.

[0010] The technical effect of adopting the above further scheme is: the fixing plate 1 is fixed to the outside of the mold 1, and the fixing plate slot opened on the inner side of the fixing plate 1 can connect the fixing component and the snap-on component to each other, and they are fixed by the bonding plate.

[0011] As a preferred embodiment, the buckle assembly includes a second fixing plate, and a plug plate is provided on one side of the second fixing plate.

[0012] The technical effect of adopting the above further solution is: the second fixing plate can be fixed to the outside of the second mold, and the plug-in plate can be inserted into the slot of the fixing plate to connect them.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] By arranging an inner cushion, a cushion groove, an umbrella-shaped plate, a spring piece and a supporting cushion structure, when the locking assembly is locked, the inner cushion will be squeezed, so that the umbrella-shaped plate arranged in the cushion groove opened in the inner cushion will squeeze the spring piece. The supporting cushion supports the spring piece so that the umbrella-shaped plate is flattened, thereby sealing the interior and preventing liquid in the injection mold from leaking out, which can solve the problems mentioned in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of an injection mold sealing device provided by the utility model;

[0016] Figure 2 A structural schematic diagram of a mold of an injection mold sealing device provided by the utility model;

[0017] Figure 3 A structural schematic diagram of a locking assembly of an injection mold sealing device provided by the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of a soft cushion in an injection mold sealing device provided by the utility model;

[0019] Figure 5 The utility model provides a structural schematic diagram of an umbrella-shaped plate of an injection mold sealing device.

[0020] Legend:

[0021] 1. Mold 1; 2. Mold 2;

[0022] 3. Fixing assembly; 31. Fixing plate 1; 32. Fixing plate slot; 33. Laminating plate;

[0023] 4. Buckle assembly; 41. Fixed plate 2; 42. Insert plate;

[0024] 5. Locking assembly; 51. Fixing plate three; 52. Connecting plate; 53. Screws; 54. Nuts;

[0025] 6. Extrusion assembly; 61. Inner cushion; 62. Cushion slot; 63. Umbrella-shaped plate; 64. Shrapnel; 65. Support cushion. 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 Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, this embodiment provides a technical solution: an injection mold sealing device, including a mold 1, a fixing component 3 is arranged on the outer side of the mold 1, a buckle component 4 is arranged on one side of the fixing component 3, a locking component 5 is arranged between the fixing component 3 and the buckle component 4, and an extrusion component 6 is arranged in the locking component 5;

[0028] The extrusion assembly 6 includes an inner cushion 61, a cushion groove 62 is provided in the inner cushion 61, an umbrella-shaped plate 63 is arranged in the cushion groove 62, a spring plate 64 is arranged at the bottom of the umbrella-shaped plate 63, and a supporting cushion 65 is arranged at the bottom of the spring plate 64. During the locking process, the assembly applies pressure to the inner cushion 61, and this extrusion force is transmitted to the umbrella-shaped plate 63, causing it to apply pressure to the inner spring plate 64. The supporting cushion 65 plays a key role. It provides the necessary support for the spring plate 64, so that the umbrella-shaped plate 63 under pressure can be unfolded and spread out. This spreading action effectively fills any gaps to form a sealing effect, thereby preventing the injection molding material from overflowing from the inside of the mold during the high-pressure injection process, and solving the technical problem of material leakage from the side.

[0029] Further, such as Figure 1 , Figure 2As shown: the fixing component 3 includes a fixing plate 1 31, a fixing plate slot 32 is provided on the inner side of the fixing plate 1 31, and a fitting plate 33 is provided on the other side of the fixing plate slot 32; the snap assembly 4 includes a fixing plate 2 41, and a plug plate 42 is provided on one side of the fixing plate 2 41. The fixing plate 1 31 plays the role of connection and fixing. The fixing plate 1 31 is installed on the outer side of the mold 1, and has a fixing plate slot 32 on its inner side. This slot is the key to achieve the connection between the fixing component 3 and the snap assembly 4. The fitting plate 33 is close to the mold surface, which ensures a stable connection between the fixing plate 1 31 and the mold. At the same time, the fixing plate 2 41 undertakes the task of firmly installing the entire fixing system on the outer side of the mold 2, and the plug plate 42 can be inserted into the fixing plate slot 32, further strengthening the connection between the fixing component 3 and the snap assembly 4.

[0030] When the above solution is used, the fixing component 3 and the buckle component 4 cannot be fixed. Figure 4 As shown: In the present scheme, the locking assembly 5 comprises a fixing plate three 51, a connecting plate 52 is arranged on the top of the fixing plate three 51, a slot is opened on the connecting plate 52, a screw 53 is arranged on the connecting plate 52 through the slot, a nut 54 is arranged on one side of the screw 53, the fixing plate three 51 is the basis for realizing the preliminary positioning and fixation of the components, it is sleeved inside the equipment, and provides an important support point for the subsequent locking operation, and then, the screw 53 and the nut 54 are used in combination, screwed in and fastened in a preset position, and this threaded connection method enables the connecting plate 52 to be firmly locked, ensuring that the components will not be displaced due to vibration or other external forces, thereby realizing the stability and safety of the entire equipment.

[0031] Working principle:

[0032] like Figure 1-Figure 5 As shown:

[0033] When in use: When the injection mold is being injected, the fixing plate 31 is set on the outside of the mold 1. The fixing plate 31 is the key part of the outer connection and is responsible for firmly connecting the fixing component 3 and the buckle component 4. This process is achieved through the fixing plate slot 32, and the fitting plate 33 ensures the stability of the fixation. Similarly, the fixing plate 2 41 and the plug plate 42 are respectively responsible for the fixing and connection tasks on the outside of the mold 2 2, which are achieved by inserting the fixing plate slot 32. In addition, the fixing plate 3 51 plays the role of a preliminary fixing frame in the entire device, providing a basis for subsequent fine adjustment. The cooperation of the thread 53 and the nut 54 further realizes the locking of the connecting plate 52, ensuring the tight structure and stability of the equipment. Finally, when the locking assembly 5 is started and locked, it applies pressure to the inner cushion 61. This action is transmitted to the built-in umbrella plate 63 through the cushion groove 62, causing it to squeeze the spring piece 64. The supporting cushion 65 provides the necessary support for the spring piece 64 in this process, prompting the umbrella plate 63 to spread out. This carefully designed mechanism effectively seals the interior of the injection mold, prevents any possible liquid leakage during the high-pressure injection process, and ensures the sealing of the mold and the quality of the final product.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An injection mold sealing device, comprising a mold (1), characterized in that: A fixing component (3) is arranged on the outer side of the mold 1 (1), a buckle component (4) is arranged on one side of the fixing component (3), a locking component (5) is arranged between the fixing component (3) and the buckle component (4), and an extrusion component (6) is arranged inside the locking component (5); The extrusion assembly (6) comprises an inner cushion (61), a cushion slot (62) is provided in the inner cushion (61), an umbrella-shaped plate (63) is provided in the cushion slot (62), a spring sheet (64) is provided at the bottom of the umbrella-shaped plate (63), and a supporting cushion (65) is provided at the bottom of the spring sheet (64).

2. The injection mold sealing device according to claim 1, characterized in that: The locking assembly (5) comprises a fixing plate three (51), a connecting plate (52) is arranged on the top of each fixing plate three (51), a slot is provided on the connecting plate (52), a screw (53) is arranged on the connecting plate (52) through the slot, and a nut (54) is arranged on one side of the screw (53).

3. The injection mold sealing device according to claim 1, characterized in that: The fixing assembly (3) comprises a fixing plate 1 (31), a fixing plate slot (32) is provided on the inner side of the fixing plate 1 (31), and a bonding plate (33) is provided on the other side of the fixing plate slot (32).

4. The injection mold sealing device according to claim 1, characterized in that: The buckle assembly (4) comprises a second fixing plate (41), and a plug plate (42) is provided on one side of the second fixing plate (41).

5. The injection mold sealing device according to claim 1, characterized in that: The fixing assembly (3) and the buckle assembly (4) are inserted into the fixing plate slot (32) via the inserting plate (42).

6. The injection mold sealing device according to claim 1, characterized in that: A second mold (2) is arranged on the inner side of the buckle assembly (4).

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