Novel PDCPD reaction injection mold

By introducing a threaded short rod and a limiting rod installation mechanism into the PDCPD reactive injection mold, the problem of cumbersome mold cavity disassembly is solved, enabling rapid disassembly and assembly of the mold cavity and improving production efficiency.

CN223934050UActive Publication Date: 2026-02-24JINING FUHONG MOLD CO LTD
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Patent Information

Application Number
CN202520393539.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-24
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

The existing PDCPD reaction injection mold cavity is difficult to disassemble quickly during maintenance and replacement, resulting in cumbersome operation and affecting production efficiency.

Method used

The installation mechanism, which uses a threaded short rod, a movable plate, and a limit lever, allows for quick disassembly and installation of the mold cavity by rotating the threaded short rod with a knob, simplifying the operation process.

Benefits of technology

The disassembly and assembly of the mold cavity has become more convenient, saving time and effort and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel PDCPD reaction injection mold, which belongs to the field of molds, and comprises an upper mold, a lower mold and a mold cavity, the upper mold is positioned above the lower mold, an arranged mounting mechanism is matched with the PDCPD reaction injection mold for use, and when the mold cavity needs to be maintained or replaced and disassembled, knobs positioned on two side walls of the lower mold can be rotated, so that the PDCPD reaction injection mold can be assembled and disassembled. When the rotary knob rotates, the rotary knob drives the threaded short rod to rotate through the rotating rod, so that the movable plate moves towards the outer side in the side cavity along the threaded short rod through the threaded hole until the limiting clamping rod moves out of the limiting clamping groove and then enters the connecting hole to enable the rotary knob not to rotate, and then the mold cavity is taken out of the mounting groove in the top face of the lower mold. Therefore, the purpose that the mold cavity on the PDCPD reaction injection mold can be rapidly disassembled, maintained or replaced is achieved, convenience is brought to disassembly and assembly operation of the mold cavity on the PDCPD reaction injection mold, operation is easy and convenient, time and labor are saved, and production efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of molds, and in particular to a novel PDCPD reaction injection mold. Background Technology

[0002] Molds are various shapes and tools used in industrial production to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping. In short, a mold is a tool used to create shaped objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly achieves the shaping of objects by changing the physical state of the material being molded. It is often referred to as the "mother of industry."

[0003] PDCPD (polydicyclopentadiene) reaction injection molds, as a type of mold, are specifically designed for PDCPD materials. They are used to shape and solidify the material into the desired shape in the reaction injection molding (RIM) process. They are widely used in the automotive, aerospace, engineering vehicle, electrical equipment, sporting and recreational products, and environmental chemical containers and pipelines, and have the advantages of high precision, high durability, and high-efficiency production.

[0004] In existing technologies, when PDCPD reaction injection molds are used in practice, the mold cavity needs to be disassembled for repair or replacement with a different shape for different products. However, currently, when repairing or replacing the mold cavity of a PDCPD reaction injection mold, the mold cavity is mostly fixed in the lower mold with bolts, making it difficult to disassemble quickly. This makes the operation cumbersome, time-consuming, and inconvenient for subsequent installation, thus reducing production efficiency. Utility Model Content

[0005] The main objective of this invention is to provide a novel PDCPD reaction injection mold that can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A novel PDCPD reactive injection mold includes an upper mold, a lower mold, and a mold cavity. The upper mold is located above the lower mold, and its top surface has an injection port for injecting PDCPD material. The mold cavity is fixedly connected to the top surface of the lower mold via an installation mechanism, which includes threaded short rods, a movable plate, and a limiting rod. The two threaded short rods are movably connected to the side cavities opened on the two side walls of the lower mold via rotating rods at their outer ends. The movable plate is also movably connected to the side cavities via sliding blocks on both sides. The movable plate is also movably connected to the threaded short rods via threaded holes on its side walls, and the limiting rod is fixedly connected to the inner side wall of the movable plate.

[0008] Preferably, a set of symmetrical positioning openings are provided on the front and rear side walls of the mold cavity, and a set of symmetrical limiting grooves are also provided on the left and right side walls of the mold cavity.

[0009] Preferably, the top surface of the lower mold is provided with an installation groove corresponding to the mold cavity, and positioning strips corresponding to the positioning openings are fixedly installed on the front and rear side walls inside the installation groove.

[0010] Preferably, the lower mold has side cavities on the top surface and on the left and right sides of the mounting groove, and sliding grooves are provided on the front and rear side walls of the side cavities. A set of symmetrical connecting holes corresponding to the limiting slots are provided on the left side wall of the side cavity, and a rotating hole is provided on the right side wall of the side cavity.

[0011] Preferably, a rotating rod is fixedly installed on the outer end of the threaded short rod, and the rotating rod is movably installed in the rotating hole, and a knob is fixedly installed on the outer end of the rotating rod.

[0012] Preferably, sliding blocks are fixedly installed on the front and rear side walls of the movable plate, and the sliding blocks are movably installed in the sliding groove. A threaded hole is opened on the left side wall of the movable plate, and the movable plate is threadedly connected to the threaded short rod through the threaded hole. A set of symmetrical limiting rods are also fixedly installed on the left side wall of the movable plate, and the limiting rods are inserted into the limiting groove through the connecting hole.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, the installation mechanism, in conjunction with the use of the PDCPD reactive injection mold, allows for easy maintenance or replacement of the mold cavity. When repair or replacement of the mold cavity is required, the knobs located on both sides of the lower mold can be rotated. The knobs, through a rotating rod, drive a threaded short rod to rotate, causing the movable plate to move outwards along the threaded short rod within the side cavity until the limiting rod moves out of the limiting slot and into the connecting hole, preventing the knob from rotating. The mold cavity can then be removed from the mounting slot on the top surface of the lower mold. This facilitates quick disassembly, repair, or replacement of the mold cavity on the PDCPD reactive injection mold. During installation, the positioning port on the mold cavity to be installed is aligned with the upper limiting slot, and the mold cavity is positioned and installed in the mounting slot. Then, the knob is rotated in the opposite direction to move the movable plate inwards, allowing the limiting rod to pass through the connecting hole and insert into the limiting slot. This secures the mold cavity within the top surface of the lower mold, providing convenience for the disassembly and assembly of the mold cavity on the PDCPD reactive injection mold. The operation is simple, convenient, time-saving, and labor-saving, thereby improving production efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of the mold cavity of this utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the upper mold of this utility model;

[0018] Figure 4 This is a structural breakdown diagram of the installation mechanism of this utility model.

[0019] In the diagram: 1. Upper mold; 2. Lower mold; 3. Mold cavity; 4. Injection port; 5. Mounting mechanism; 6. Positioning port; 7. Limiting groove; 8. Mounting groove; 9. Positioning strip; 10. Side cavity; 11. Sliding groove; 12. Connecting hole; 13. Rotating hole; 14. Threaded short rod; 15. Rotating rod; 16. Knob; 17. Movable plate; 18. Threaded hole; 19. Sliding block; 20. Limiting rod. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] like Figure 1 - Figure 4As shown, a novel PDCPD reactive injection mold includes an upper mold 1, a lower mold 2, and a mold cavity 3. The upper mold 1 is located above the lower mold 2, and the top surface of the upper mold 1 is provided with an injection port 4 for injecting PDCPD material. The mold cavity 3 is fixedly connected to the top surface of the lower mold 2 by an installation mechanism 5. The installation mechanism 5 includes a threaded short rod 14, a movable plate 17, and a limiting rod 20. The two threaded short rods 14 are movably connected to the side cavities 10 opened on the two side walls of the lower mold 2 by rotating rods 15 at their outer ends, and the movable plate 17 is also movably connected to the side cavity 10 by sliding blocks 19 on both sides. The movable plate 17 is also movably connected to the threaded short rod 14 by threaded holes 18 on the side wall, and the limiting rod 20 is fixedly connected to the inner side wall of the movable plate 17.

[0022] like Figure 2 As shown, a set of symmetrical positioning holes 6 are respectively opened on the front and rear side walls of the mold cavity 3. The positioning holes 6 on the mold cavity 3 are used to cooperate with the limiting slots 7 to achieve positioning and installation. A set of symmetrical limiting slots 7 are also opened on the left and right side walls of the mold cavity 3. The limiting slots 7 on the mold cavity 3 are used to cooperate with the limiting rod 20 to limit and fix the mold cavity 3 in the mounting slot 8.

[0023] like Figure 3 As shown, the top surface of the lower mold 2 is provided with an installation groove 8 corresponding to the mold cavity 3, and positioning strips 9 corresponding to the positioning port 6 are fixedly installed on the front and rear side walls of the inner side of the installation groove 8. When installing the mold cavity 3, after aligning the positioning port 6 on the mold cavity 3 with the positioning strips 9, the mold cavity 3 can be quickly positioned and installed in the installation groove 8.

[0024] like Figure 4 As shown, the top surface of the lower mold 2 is provided with side cavities 10 on the left and right sides of the mounting groove 8. The side cavities 10 are used to cooperate with the movable plate 17 to realize the movement operation. The front and rear side walls of the side cavity 10 are provided with sliding grooves 11. The sliding grooves 11 are used to cooperate with the sliding block 19 to realize the sliding operation. The left side wall of the side cavity 10 is provided with a set of symmetrical connecting holes 12 corresponding to the limiting slot 7. The connecting holes 12 can ensure that the limiting rod 20 moves in and out of the side cavity 10 through the connecting holes 12. The right side wall of the side cavity 10 is also provided with a rotating hole 13. The rotating hole 13 is used to cooperate with the rotating rod 15 to realize the rotation operation.

[0025] like Figure 4 As shown, a rotating rod 15 is fixedly installed on the outer end of the threaded short rod 14, and the rotating rod 15 is movably installed in the rotating hole 13. A knob 16 is fixedly installed on the outer end of the rotating rod 15. When the mold cavity 3 is fixed, the knob 16 can be rotated to drive the rotating rod 15 to rotate in the rotating hole 13, and the threaded short rod 14 is rotated through the rotating rod 15.

[0026] like Figure 4 As shown, sliding blocks 19 are fixedly installed on the front and rear side walls of the movable plate 17, and the sliding blocks 19 are movably installed in the sliding groove 11. A threaded hole 18 is opened on the left side wall of the movable plate 17, and the movable plate 17 is threadedly connected to the threaded short rod 14 through the threaded hole 18. A set of symmetrical limiting rods 20 are also fixedly installed on the left side wall of the movable plate 17, and the limiting rods 20 are inserted into the limiting groove 7 through the connecting hole 12. Under the rotation of the threaded short rod 14, the movable plate will be moved... 17 moves along the left side of the side cavity 10 through the threaded hole 18 along the limiting groove 7, and the sliding block 19 slides in the sliding groove 11, so that the limiting rod 20 passes through the connecting hole 12 and is inserted into the limiting groove 7. The mold cavity 3 can be fixedly installed in the mounting groove 8 opened on the top surface of the lower mold 2 for use. When disassembling the mold cavity 3, the knob 16 is rotated in the opposite direction until the limiting rod 20 moves out of the limiting groove 7 and into the connecting hole 12, thereby facilitating the disassembly, replacement and maintenance of the mold cavity 3.

[0027] It should be noted that this utility model is a novel PDCPD reaction injection mold. When the mold cavity 3 in the PDCPD reaction injection mold needs maintenance or when the mold cavity 3 needs to be replaced with a corresponding shape to produce different products, the mold cavity 3 needs to be disassembled. During disassembly, the knobs 16 located on the left and right side walls of the lower mold 2 are turned. The knobs 16 will drive the rotating rod 15 to rotate in the rotating hole 13. The rotating rod 15 will drive the threaded short rod 14 to rotate in the side cavity 10. At this time, because the movable plate 17 is threadedly connected to the threaded short rod 14 through the threaded hole 18 opened on the side wall, Since they are connected, the movable plate 17 will move outward in the side cavity 10 through the threaded hole 18 along the threaded short rod 14. During the movement, the sliding blocks 19 installed on the front and rear side walls of the movable plate 17 will slide in the sliding grooves 11 opened on the front and rear end walls inside the side cavity 10. At this time, as the movable plate 17 moves continuously, the limiting rod 20 installed on the left side wall of the movable plate 17 will gradually move out of the limiting grooves 7 opened on the left and right side walls of the mold cavity 3 until the limiting rod 20 moves into the connecting hole 12 opened on the left side wall inside the side cavity 10, and makes... Once knob 16 can no longer be turned, remove the mold cavity 3 from the mounting slot 8 on the top surface of the lower mold 2. When installing the mold cavity 3 after maintenance or directly installing the required mold cavity 3, align the positioning holes 6 on the front and rear side walls of the mold cavity 3 with the positioning strips 9 installed on the front and rear side walls inside the mounting slot 8, and insert the positioning strips 9 into the positioning holes 6. In this way, the mold cavity 3 can be positioned and installed in the mounting slot 8. Finally, turn knob 16 in the opposite direction to move the movable plate 17 inward, allowing the limit rod 20 to pass through the connecting hole 12 and insert into the limit slot. After the knob 16 is turned off, the mold cavity 3 can be installed and fixed in the mounting groove 8 on the top surface of the lower mold 2. After the upper mold 1 and the lower mold 2 are closed, PDCPD material is injected into the mold cavity 3 through the mounting mechanism 5 to react and obtain the desired product. This achieves the purpose of quick disassembly, maintenance or replacement of the mold cavity 3 on the PDCPD reaction injection mold. This new PDCPD reaction injection mold brings convenience to the disassembly and assembly of the mold cavity 3, and the operation is simple and convenient, saving time and effort, thereby improving production efficiency.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, various improvements can be made to it without departing from the scope of the present utility model, and components can be replaced with equivalents or some technical features can be replaced with equivalents. All such improvements within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel PDCPD reactive injection mold, comprising an upper mold (1), a lower mold (2), and a mold cavity (3), wherein the upper mold (1) is located above the lower mold (2), and the top surface of the upper mold (1) is provided with an injection port (4) for injecting PDCPD material, characterized in that: The mold cavity (3) is fixedly connected to the top surface of the lower mold (2) by the mounting mechanism (5), and the mounting mechanism (5) includes a threaded short rod (14), a movable plate (17) and a limiting rod (20). The two threaded short rods (14) are movably connected to the side cavities (10) opened on the two side walls of the lower mold (2) by the rotating rod (15) at the outer end, and the movable plate (17) is also movably connected to the side cavity (10) by the sliding blocks (19) on both sides. The movable plate (17) is also movably connected to the threaded short rod (14) through the threaded hole (18) on the side wall, and the limiting rod (20) is fixedly connected to the inner side wall of the movable plate (17).

2. The novel PDCPD reaction injection mold according to claim 1, characterized in that: A set of symmetrical positioning openings (6) are respectively provided on the front and rear side walls of the mold cavity (3), and a set of symmetrical limiting slots (7) are also provided on the left and right side walls of the mold cavity (3).

3. The novel PDCPD reaction injection mold according to claim 2, characterized in that: The top surface of the lower mold (2) is provided with an installation groove (8) corresponding to the mold cavity (3), and positioning strips (9) corresponding to the positioning port (6) are fixedly installed on the front and rear side walls inside the installation groove (8).

4. The novel PDCPD reaction injection mold according to claim 3, characterized in that: The lower mold (2) has side cavities (10) on the top surface and on the left and right sides of the mounting groove (8). The side cavities (10) have sliding grooves (11) on the front and rear side walls. The side cavity (10) has a set of symmetrical connecting holes (12) corresponding to the limiting slot (7) on the left side wall. The side cavity (10) also has a rotating hole (13) on the right side wall.

5. A novel PDCPD reaction injection mold according to claim 4, characterized in that: A rotating rod (15) is fixedly installed on the outer end of the threaded short rod (14), and the rotating rod (15) is movably installed in the rotating hole (13). A knob (16) is fixedly installed on the outer end of the rotating rod (15).

6. A novel PDCPD reaction injection mold according to claim 5, characterized in that: Sliding blocks (19) are fixedly installed on the front and rear side walls of the movable plate (17), and the sliding blocks (19) are movably installed in the sliding groove (11). A threaded hole (18) is provided on the left side wall of the movable plate (17), and the movable plate (17) is threadedly connected to the threaded short rod (14) through the threaded hole (18). A set of symmetrical limiting rods (20) are also fixedly installed on the left side wall of the movable plate (17), and the limiting rods (20) pass through the connecting hole (12) and are inserted into the limiting groove (7).