Structure of double-framework rubber bushing injection mold

Abstract

The utility model relates to the technical field of rubber bushing production, and discloses a structure of a double-framework rubber bushing injection mold, which comprises a lower mold connected with a lower heating plate of equipment and an upper mold connected with an upper heating plate of the equipment, an ejector ring is arranged at the upper end of the lower mold, two sides of the ejector ring are connected with an ejector block, the ejector block is connected with an equipment frame mold, and the lower mold is connected with the equipment frame mold. According to the utility model, a common three-opening rubber injection machine in the market can be used, only the upper mold, the lower mold and the ejection block need to be fixed with equipment during use, the operation is carried out according to the common rubber injection machine, special skills are not needed, the operation is convenient, and the equipment and labor cost is reduced; the injection mold is simple in structure, suitable for forming of all double-framework rubber bushings and wide in application range, meanwhile, the injection mold structure which is simple and easy to operate is provided, the mold machining difficulty is reduced, the equipment cost is effectively reduced, and very important strategic value is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber bushing production, in particular to a structure of a double-skeleton rubber bushing injection mold. Background Art

[0002] At present, the HALF structure is widely used in the double-skeleton rubber bushing injection mold structure, that is, the mold is divided into two halves. This mold structure is complex and requires special equipment. The cost is too high when producing a single sample. In order to fill the gap in the existing technology, a double-skeleton rubber bushing injection mold structure with a simple structure, easy operation, high efficiency and low cost is provided. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a double-skeleton rubber bushing injection mold structure, which effectively solves the problems raised in the above background.

[0004] To achieve the above-mentioned object, the utility model provides the following technical solution: a double-skeleton rubber bushing injection mold structure, comprising a lower mold connected to the lower heating plate of the equipment and an upper mold connected to the upper heating plate of the equipment, an ejector ring is provided at the upper end of the lower mold, both sides of the ejector ring are connected to the ejector block, and the ejector block is connected to the equipment frame mold to realize the up and down movement of the ejector ring and the ejector block;

[0005] A retaining ring is provided between the upper end of the upper mold and the heating plate on the equipment. Pull rods are provided on both sides of the lower end of the upper mold. The upper end of the pull rod passes through the upper mold and is threadedly connected to the retaining ring. A middle mold is provided on the outer movable sleeve of the pull rod. When the heating plate on the equipment drives the upper mold to move up and down, the middle mold can be driven up and down by the pull rod.

[0006] Preferably, an inner frame is provided in the middle of the upper end of the lower mold, an outer frame is provided outside the inner frame, and the outer frame is located at the upper end of the lower mold and inside the ejection ring.

[0007] Preferably, an inner frame inner positioning surface is provided inside the lower end of the inner frame, an inner frame bottom positioning surface is provided on one side of the lower end of the inner frame, an outer frame outer positioning surface is provided outside the lower end of the exoskeleton, and an exoskeleton bottom positioning surface is provided on one side of the lower end of the exoskeleton.

[0008] Preferably, the upper end of the middle mold is provided with a first precision positioning groove adapted to the upper mold, and the lower end of the middle mold is provided with a second precision positioning groove adapted to the ejection ring.

[0009] Preferably, the ejector ring is connected to the ejector block by bolts, and a precision positioning groove three adapted to the lower die is provided in the middle of the lower end of the ejector ring.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The utility model can use an ordinary three-opening rubber injection machine on the market. When in use, it is only necessary to fix the upper mold, the lower mold and the ejector block to the equipment, and operate it according to the ordinary rubber injection machine. No special skills are required, the operation is easy, and the equipment and labor costs are reduced. It is suitable for the molding of all double-skeleton rubber bushings and has a wide range of applications. At the same time, it provides a simple and easy-to-operate injection mold structure, reduces the difficulty of mold processing, effectively reduces equipment costs, and has very important strategic value. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0013] In the attached figure:

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure of A;

[0016] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure of B;

[0017] Figure 4 This is a schematic diagram of the mold opening state of the utility model;

[0018] In the figure: 1. Equipment lower heating plate; 2. Lower mold; 3. Equipment upper heating plate; 4. Upper mold; 5. Ejector ring; 6. Ejector block; 7. Equipment frame mold; 8. Retaining ring; 9. Pull rod; 10. Middle mold; 11. Inner frame; 12. Exoframe; 13. Inner positioning surface of inner frame; 14. Bottom positioning surface of inner frame; 15. Outer positioning surface of exoframe; 16. Bottom positioning surface of exoframe; 17. Precision positioning groove one; 18. Precision positioning groove two; 19. Bolt; 20. Precision positioning groove three. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Embodiment 1, by Figure 1-Figure 4The utility model includes a lower mold 2 connected to the lower heating plate 1 of the equipment and an upper mold 4 connected to the upper heating plate 3 of the equipment. An ejector ring 5 is provided on the upper end of the lower mold 2. Both sides of the ejector ring 5 are connected to the ejector block 6. The ejector block 6 is connected to the equipment frame mold 7 to realize the up and down movement of the ejector ring 5 and the ejector block 6.

[0021] A retaining ring 8 is provided between the upper end of the upper mold 4 and the heating plate 3 on the device. Pull rods 9 are provided on both sides of the lower end of the upper mold 4. The upper end of the pull rod 9 passes through the upper mold 4 and is threadedly connected to the retaining ring 8. A middle mold 10 is provided on the outer movable sleeve of the pull rod 9. When the heating plate 3 on the device drives the upper mold 4 to move up and down, the middle mold 10 can be driven up and down by the pull rod 9;

[0022] An inner frame 11 is provided in the middle of the upper end of the lower mold 2, and an outer frame 12 is provided outside the inner frame 11. The outer frame 12 is located at the upper end of the lower mold 2 and inside the ejection ring 5;

[0023] An inner frame inner positioning surface 13 is provided inside the lower end of the inner frame 11, an inner frame bottom positioning surface 14 is provided on one side of the lower end of the inner frame 11, an outer frame outer positioning surface 15 is provided on the outer side of the lower end of the outer frame 12, and an outer frame bottom positioning surface 16 is provided on one side of the lower end of the outer frame 12;

[0024] The upper end of the middle mold 10 is provided with a precision positioning groove 17 adapted to the upper mold 4, and the lower end of the middle mold 10 is provided with a precision positioning groove 2 18 adapted to the ejection ring 5;

[0025] The ejector ring 5 is connected to the ejector block 6 by bolts 19 , and a precision positioning groove 20 adapted to the lower die 2 is provided in the middle of the lower end of the ejector ring 5 .

[0026] Working principle: When the mold is closed, Figure 4 , the various parts of the mold are separated, the equipment frame mold 7 drops the ejector ring 5 and places it on the lower mold 2 through the ejector block 6, and the ejector ring 5 and the lower mold 2 are precisely positioned through the precision positioning groove 3 20 to ensure the relative position of the cavity; the inner skeleton 11 is placed on the lower mold 2, and the inner skeleton inner positioning surface 13 is used to radially position the inner skeleton 11, and the inner skeleton bottom positioning surface 14 is used to end face position the inner skeleton 11; the outer skeleton 12 is placed on the ejector ring 5, and the outer skeleton outer positioning surface 15 is used to radially position the outer skeleton 12, and the outer skeleton bottom positioning surface 1 6. Position the end face of the exoskeleton 12; drop the middle mold 10 onto the ejection ring 5. The middle mold 10 and the ejection ring 5 are precisely positioned by the second precision positioning groove 18 to ensure the relative position of the cavity; drop the upper mold 4 onto the middle mold 10. The upper mold 4 and the middle mold 10 are precisely positioned by the first precision positioning groove 17 to ensure the relative position of the cavity; the rubber is injected through the hole in the middle of the upper mold 4, diverted through the upper part of the middle mold 10, and injected into the cavity formed by the middle mold 10, the inner skeleton 11, the exoskeleton 12, and the lower mold 2, where it is fixed and vulcanized;

[0027] When the mold is opened for use, when the upper mold 4 moves upward for a distance, the pull rod 9 drives the middle mold 10 to move upward together, so that the middle mold 10 is separated from the inner frame 11 and the outer frame 12. At this time, the product remains on the ejector ring 5, and the equipment frame mold 7 drives the ejector block 6 and the ejector ring 5 to move upward, so that the product is separated from the lower mold 2. At this time, the product can be taken out.

Claims

1. A double-skeleton rubber bushing injection mold structure, comprising a lower mold (2) connected to a lower heating plate (1) of an apparatus and an upper mold (4) connected to an upper heating plate (3) of an apparatus, characterized in that: The upper end of the lower mold (2) is provided with an ejection ring (5), both sides of the ejection ring (5) are connected to the ejection block (6), and the ejection block (6) is connected to the equipment frame mold (7) to realize the up and down movement of the ejection ring (5) and the ejection block (6); A retaining ring (8) is provided between the upper end of the upper mold (4) and the heating plate (3) on the device, and pull rods (9) are provided on both sides of the lower end of the upper mold (4). The upper end of the pull rod (9) passes through the upper mold (4) and is threadedly connected to the retaining ring (8). The outer movable sleeve of the pull rod (9) is provided with a middle mold (10). When the heating plate (3) on the device drives the upper mold (4) to move up and down, the middle mold (10) can be driven up and down by the pull rod (9).

2. The structure of a double-skeleton rubber bushing injection mold according to claim 1, characterized in that: An inner frame (11) is provided in the middle of the upper end of the lower mold (2), an outer frame (12) is provided outside the inner frame (11), and the outer frame (12) is located at the upper end of the lower mold (2) and inside the ejection ring (5).

3. The structure of a double-skeleton rubber bushing injection mold according to claim 2, characterized in that: An inner frame inner positioning surface (13) is provided inside the lower end of the inner frame (11), an inner frame bottom positioning surface (14) is provided on one side of the lower end of the inner frame (11), an outer frame outer positioning surface (15) is provided outside the lower end of the outer frame (12), and an outer frame bottom positioning surface (16) is provided on one side of the lower end of the outer frame (12).

4. The structure of a double-skeleton rubber bushing injection mold according to claim 1, characterized in that: The upper end of the middle mold (10) is provided with a first precision positioning groove (17) adapted to the upper mold (4), and the lower end of the middle mold (10) is provided with a second precision positioning groove (18) adapted to the ejection ring (5).

5. The structure of a double-skeleton rubber bushing injection mold according to claim 1, characterized in that: The ejection ring (5) and the ejection block (6) are connected by bolts (19), and a precision positioning groove (20) adapted to the lower die (2) is provided in the middle of the lower end of the ejection ring (5).

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