Multi-mechanism driving core-pulling structure for traceless processing

Abstract

The utility model discloses a traceless processing multi-mechanism driving core pulling structure which comprises a workbench, a rack is arranged at the top of the workbench, a lifting hydraulic cylinder is fixedly connected to the top side of the rack, one end of the lifting hydraulic cylinder is connected with the top side of an upper die, a clamping hydraulic cylinder and a side pushing hydraulic cylinder are fixedly connected to the top side of the upper die, and the clamping hydraulic cylinder is connected with the side pushing hydraulic cylinder. The side pushing hydraulic cylinder is located at one end of the clamping hydraulic cylinder, a lower mold is arranged on the workbench, an upper mold is arranged at the top of the lower mold, an injection molding pipe and sealing rubber are slidably connected to the top of the upper mold, the sealing rubber is clamped to the two sides of the injection molding pipe, and a fixing frame is fixedly connected to the top of the upper mold. The top of the fixing frame is fixedly connected with a first ejection hydraulic cylinder, one end of the first ejection hydraulic cylinder is connected with a first ejection rod, and the first ejection rod is located at the top of the injection molding pipe. The device can realize complete demolding of the injection molding part and the upper mold, and the problem that the quality of the injection molding part is reduced due to the fact that the injection molding part remains in the upper mold is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a traceless processing multi-mechanism driven core pulling structure. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of patterns and colors, shapes from simple to complex, sizes from large to small, and precise product dimensions. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes.

[0003] At present, during the demolding process of the injection mold, since the pouring gate is set at the top of the upper mold, it is very easy for the injection molded part to fail to separate inside the pouring gate when the upper mold is separated from the injection molded part, resulting in part of the injection molded part remaining in the upper mold, affecting the integrity of the injection molded part demolding, so improvement is needed. Utility Model Content

[0004] The utility model aims to provide a seamless processing multi-mechanism driven core pulling structure to solve the problem that the injection molded parts are easily left in the mold and lead to demoulding failure proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seamless processing multi-mechanism driven core pulling structure, comprising a workbench, a frame is arranged on the top of the workbench, a lower mold is arranged on the workbench, an upper mold is arranged on the top of the lower mold, an injection tube and a sealing rubber are slidably connected to the top of the upper mold, sealing rubber is clamped on both sides of the injection tube, a fixing frame is fixedly connected to the top of the upper mold, a first ejection hydraulic cylinder is fixedly connected to the top of the fixing frame, one end of the first ejection hydraulic cylinder is connected to a first ejector rod, and the first ejector rod is located at the top of the injection tube.

[0006] Preferably, a lifting hydraulic cylinder is fixedly connected to the top side of the frame, and one end of the lifting hydraulic cylinder is connected to the top side of the upper mold.

[0007] Preferably, a clamping hydraulic cylinder and a side-pushing hydraulic cylinder are fixedly connected to the top side of the upper mold, and the side-pushing hydraulic cylinder is located at one end of the clamping hydraulic cylinder.

[0008] Preferably, one end of the clamping hydraulic cylinder is fixedly connected to a fixing block, and the inner side of the fixing block is fixedly connected to a sealing rubber.

[0009] Preferably, one end of the side push hydraulic cylinder is connected to an injection molding tube, and the injection molding tube is slidably connected to the upper mold.

[0010] Preferably, the sealing rubber is symmetrically distributed about the bisector of the injection tube, a groove is provided inside the sealing rubber on one side of the injection tube, and a removal structure is formed inside the sealing rubber on the other side of the injection tube, and the sealing rubber on both sides of the injection tube constitute a splicing structure.

[0011] Preferably, a second ejection hydraulic cylinder is fixedly connected to the bottom side of the workbench, one end of the second ejection hydraulic cylinder is connected to a second ejector rod, and one end of the second ejector rod passes through the workbench and is inserted into the lower mold.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) This device can realize the complete demoulding of the injection molded part and the upper mold, avoiding the problem of the injection molded part remaining inside the upper mold and reducing the quality of the injection molded part.

[0014] (2) The device is provided with an automatically lifting first ejector rod at the top of the upper mold, and an injection tube which can be automatically connected with and separated from the upper mold is provided at one end of the upper mold pouring port. Thus, the injection tube can be separated from the pouring port and then inserted into the lower mold through the first ejector rod to completely eject the injection molded part, thereby ensuring the integrity of the injection molded part.

[0015] (3) The device provides automatically movable sealing rubber on both sides of the injection tube, and the sealing rubber can seal the gap between the upper mold and the injection tube, thereby ensuring the sealing performance of the connection between the injection tube and the upper mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a seamless processing multi-mechanism driven core pulling structure of the utility model;

[0017] Figure 2 The utility model is a kind of non-marking processing multi-mechanism driven core pulling structure Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 It is a top view of the connection between the fixed block and the sealing rubber of a seamlessly processed multi-mechanism driven core-pulling structure of the utility model.

[0019] In the figure: 1. first ejector hydraulic cylinder; 2. first ejector rod; 3. fixed frame; 4. side push hydraulic cylinder; 5. frame; 6. workbench; 7. lifting hydraulic cylinder; 8. injection tube; 9. clamping hydraulic cylinder; 10. upper mold; 11. lower mold; 12. second ejector rod; 13. second ejector hydraulic cylinder; 14. fixed block; 15. sealing rubber. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 The utility model provides a technical solution: a multi-mechanism driven core-pulling structure for seamless processing, including a workbench 6, a frame 5 is arranged on the top of the workbench 6, a lifting hydraulic cylinder 7 is fixedly connected to the top side of the frame 5, and one end of the lifting hydraulic cylinder 7 is connected to the top side of the upper mold 10; this structure can push the upper mold 10 to automatically rise and fall through the lifting hydraulic cylinder 7, so that the upper mold 10 and the lower mold 11 are molded or separated; the top side of the upper mold 10 is fixedly connected to a clamping hydraulic cylinder 9 and a side push hydraulic cylinder 4, and the side push hydraulic cylinder 4 is located at one end of the clamping hydraulic cylinder 9; one end of the clamping hydraulic cylinder 9 is fixedly connected to a fixed block 14, which is fixed to the top side of the clamping hydraulic cylinder 9. The inner side of the fixed block 14 is fixedly connected with a sealing rubber 15; this structure can push the fixed block 14 and the sealing rubber 15 to contact or separate with the injection tube 8 through the clamping hydraulic cylinder 9, thereby achieving sealing of the injection tube 8; the bottom side of the workbench 6 is fixedly connected with a second ejection hydraulic cylinder 13, one end of the second ejection hydraulic cylinder 13 is connected to a second ejector rod 12, one end of the second ejector rod 12 penetrates the workbench 6 and is inserted into the lower mold 11; this structure can push the second ejector rod 12 to eject the injection molded part inside the lower mold 11 through the second ejection hydraulic cylinder 13; one end of the side push hydraulic cylinder 4 is connected to the injection tube 8, and the injection tube 8 is sealed. One end is connected to the screw extruder, and the injection tube 8 is slidably connected to the upper mold 10; this structure can push the injection tube 8 to move horizontally through the side push hydraulic cylinder 4, so that the injection tube 8 can be connected to or separated from the pouring port on the upper mold 10; a lower mold 11 is arranged on the workbench 6, and an upper mold 10 is arranged on the top of the lower mold 11. The injection tube 8 and the sealing rubber 15 are slidably connected to the top of the upper mold 10. The sealing rubber 15 is symmetrically distributed about the bisector of the injection tube 8. A groove is provided on the inner side of the sealing rubber 15 on one side of the injection tube 8, and the inner side of the sealing rubber 15 on the other side of the injection tube 8 is a removal structure. The sealing rubbers 15 on both sides of the injection tube 8 form a splicing structure; this structure can seal the gap between the casting port of the upper mold 10 and the injection tube 8 through the sealing rubber 15; the sealing rubber 15 is clamped on both sides of the injection tube 8, the top of the upper mold 10 is fixedly connected with a fixing frame 3, the top of the fixing frame 3 is fixedly connected with a first ejection hydraulic cylinder 1, one end of the first ejection hydraulic cylinder 1 is connected with a first ejector rod 2, and the first ejector rod 2 is located at the top of the injection tube 8; the device can push the first ejector rod 2 by setting the first ejection hydraulic cylinder 1, so that the first ejector rod 2 can eject all the materials at the casting port of the upper mold 10 to avoid residue.

[0022] Working principle: When using the seamless processing multi-mechanism driven core pulling structure, first the clamping hydraulic cylinder 9 drives the fixed block 14 and the sealing rubber 15 to move, so that the fixed block 14 and the sealing rubber 15 are separated from the injection tube 8, and then the injection tube 8 is pushed to move laterally by the side push hydraulic cylinder 4, so that the injection tube 8 is misaligned with the pouring port of the upper mold 10, and then the lifting hydraulic cylinder 7 and the first ejection hydraulic cylinder 1 are started at the same time, the first ejection hydraulic cylinder 1 pushes the first ejector rod 2 to insert into the pouring port inside the upper mold 10, and the lifting hydraulic cylinder 7 drives the upper mold 10 to separate from the lower mold 11. At this time, the upper mold 10 is completely separated from the injection molded part, and finally the second ejection hydraulic cylinder 13 pushes the second ejector rod 12 to completely eject the injection molded part inside the lower mold 11 to avoid cracks on the surface of the injection molded part.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A seamless processing multi-mechanism driven core pulling structure, comprising a workbench (6), a frame (5) being arranged on the top of the workbench (6), characterized in that: The workbench (6) is provided with a lower mold (11), an upper mold (10) is provided on the top of the lower mold (11), an injection tube (8) and a sealing rubber (15) are slidably connected to the top of the upper mold (10), the sealing rubber (15) is clamped on both sides of the injection tube (8), the top of the upper mold (10) is fixedly connected to a fixing frame (3), the top of the fixing frame (3) is fixedly connected to a first ejection hydraulic cylinder (1), one end of the first ejection hydraulic cylinder (1) is connected to a first ejector rod (2), and the first ejector rod (2) is located on the top of the injection tube (8).

2. According to claim 1, a seamless processing multi-mechanism driven core pulling structure is characterized by: A lifting hydraulic cylinder (7) is fixedly connected to the top side of the frame (5), and one end of the lifting hydraulic cylinder (7) is connected to the top side of the upper mold (10).

3. The seamless processing multi-mechanism driven core pulling structure according to claim 1, characterized in that: A clamping hydraulic cylinder (9) and a side-pushing hydraulic cylinder (4) are fixedly connected to the top side of the upper mold (10), and the side-pushing hydraulic cylinder (4) is located at one end of the clamping hydraulic cylinder (9).

4. The seamless processing multi-mechanism driven core pulling structure according to claim 3 is characterized by: One end of the clamping hydraulic cylinder (9) is fixedly connected to a fixing block (14), and the inner side of the fixing block (14) is fixedly connected to a sealing rubber (15).

5. The seamless processing multi-mechanism driven core pulling structure according to claim 3 is characterized by: One end of the side push hydraulic cylinder (4) is connected to an injection molding tube (8), and the injection molding tube (8) is slidably connected to the upper mold (10).

6. The seamless processing multi-mechanism driven core pulling structure according to claim 1, characterized in that: The sealing rubber (15) is symmetrically distributed about the bisector of the injection tube (8), a groove is provided on the inner side of the sealing rubber (15) on one side of the injection tube (8), and a removal structure is provided on the inner side of the sealing rubber (15) on the other side of the injection tube (8), and the sealing rubber (15) on both sides of the injection tube (8) form a spliced ​​structure.

7. The seamless processing multi-mechanism driven core pulling structure according to claim 1, characterized in that: A second ejection hydraulic cylinder (13) is fixedly connected to the bottom side of the workbench (6), one end of the second ejection hydraulic cylinder (13) is connected to a second ejector rod (12), and one end of the second ejector rod (12) passes through the workbench (6) and is inserted into the interior of the lower mold (11).

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