Universal composite material compression molding tool
By designing a general-purpose composite material molding tooling, the problems of complex and high cost in the prior art mold design and manufacturing are solved, and the molding effect is achieved with high precision and convenient maintenance, and is suitable for composite material products of all sizes.
Patent Information
- Application Number
- CN202421360941.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-14
AI Technical Summary
In the existing composite material molding technology, mold design and manufacturing are complex, initial investment is large, and the later mold rework cost is high, making it difficult to meet the needs of high precision and convenient maintenance.
A universal composite molding tooling is designed, including a base plate, side circumference, pad plate, oblique wedge, cover plate, positioning pin, pin sleeve and screw. Through the combination of these components, a stable enclosed space is formed and a uniform pressure is applied on the press platform to achieve composite molding.
The tooling is suitable for molded products of all sizes. It has the characteristics of universal type, high precision, easy maintenance and simple operation, reducing the complexity and cost of mold design and manufacturing.
Smart Images

Figure CN222958987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of composite material forming, in particular to a general composite material compression molding tooling. Background Art
[0002] The compression molding method has relatively high production efficiency, accurate product dimensions, and smooth surface. Especially for composite material products with complex structures, they can generally be formed at one time without damaging the performance of the composite material products. Its main disadvantage is that the mold design and manufacturing are relatively complex, and the initial investment is large.
[0003] Due to the complexity of composite materials, the mold design needs to be very precise to ensure the quality and accuracy of the product. In addition, since the mold manufacturing process involves complex environments such as high temperature and high pressure, the requirements for designers' experience are also very high. If a reasonable mold cannot be designed, it may have a certain impact on the product, and the cost of reworking the mold later is also very high.
[0004] Therefore, it is very necessary to develop a process equipment for composite material compression molding with universality, high precision, convenient maintenance, and simple operation. Content of the Utility Model
[0005] In order to solve the above problems, the utility model provides a general composite material compression molding tooling, and its purpose is to provide a general composite material forming process equipment.
[0006] An embodiment of the utility model provides a general composite material compression molding tooling, including: a bottom plate, a side enclosure one, a side enclosure two, a backing plate, a wedge one, a wedge two, a cover plate, a positioning pin, a pin sleeve, and a screw.
[0007] The general composite material compression molding tooling is connected with the side enclosure through the bottom plate to create a stable enclosed space. On the press platform, the cover plate evenly applies pressure on the wedge, so that a pressure-uniform field will be formed inside the general composite material compression molding tooling, providing a favorable condition for the shape of the composite material product.
[0008] Further, the bottom plate is provided with threaded holes, positioning pin installation holes, and positioning pin removal holes. The threaded holes are used for connecting with the side enclosure and hoisting, the positioning pin installation holes are used for installing the positioning pins, and the positioning pin removal holes are used for replacing the positioning pins.
[0009] Furthermore, the first and second side panels are provided with threaded holes, bushing mounting holes, screw clearance holes, dowel pin mounting holes, dowel pin removal holes, and bushing removal holes. The threaded holes are used for mold closing and hoisting. The bushing mounting holes are used for bushing installation. The screw clearance holes are used for screw installation. The dowel pin mounting holes are used for dowel pin installation. The dowel pin removal holes are used for dowel pin replacement. The bushing removal holes are used for bushing replacement.
[0010] Furthermore, the backing plate is provided with threaded holes for hoisting, and the distance between the backing plate and the periphery of the side panel is set as t4. The backing plate is used to protect the bottom plate and can be replaced in time when it is damaged.
[0011] Furthermore, the first and second wedges are provided with threaded holes and multi-functional grooves. The threaded holes are used for hoisting and disassembly. The multi-functional grooves are used for glue overflow and air exhaust during the pressing process of the press. The distance between the side surfaces of the first and second wedges is t1. The distance between the first wedge and the side surface of the side panel is t2. The distance between the first and second wedges and the bottom plate is t3.
[0012] Furthermore, the cover plate is provided with threaded holes, threaded clearance holes, wiring grooves, and thermocouple mounting holes. The threaded holes are used for hoisting. The threaded clearance holes are used for mold closing. The wiring grooves are used for placing wires. The thermocouple mounting holes are used for installing thermocouples.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] The general-purpose composite material compression molding tooling provided by the embodiment of the present utility model is applicable to products of various sizes for compression molding, and has the characteristics of universality, high precision, convenient maintenance, and simple operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings are used to provide a further understanding of the technical solutions of the present utility model, and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solutions of the present utility model, and do not constitute a limitation to the technical solutions of the present utility model.
[0016] The following further describes the present utility model in detail with reference to the drawings.
[0017] Figure 1 is an assembly drawing of a general-purpose composite material compression molding tooling provided by the embodiment of the present utility model;
[0018] Figure 2 is Figure 1 the left view of
[0019] Figure 3 is Figure 1 the A-A cross-sectional view of
[0020] Figure 4 is Figure 2 the B-B cross-sectional view in
[0021] Figure 5 is Figure 1 the positive isometric view of;
[0022] Figure 6 is Figure 3 the partial enlarged view I of;
[0023] Figure 7 is Figure 4 the partial enlarged view II of;
[0024] Figure 8 is Figure 3 the partial enlarged view III of;
[0025] Figure 9 is Figure 5 the partial enlarged view IV of;
[0026] Figure 10 is Figure 1 the exploded view of;
[0027] Figure 11 is the front view of the bottom plate 1;
[0028] Figure 12 is Figure 11 the partial sectional view of the positive isometric view of;
[0029] Figure 13 is the positive isometric view of the side wall one 2;
[0030] Figure 14 is the isometric view of the cover plate 7;
[0031] Figure 15 is the isometric view of the backing plate 4;
[0032] Figure 16 is the isometric view of the wedge 5.
[0033] Explanation of reference numerals:
[0034] 1 - bottom plate; 2 - side wall one; 3 - side wall two; 4 - backing plate; 5 - wedge one; 6 - wedge two; 7 - cover plate; 8 - locating pin; 9 - bushing; 10 - screw; 110 - bushing removal hole; 120 - locating pin removal hole; 130 - multi-functional groove; 140 - wiring groove; 150 - thermocouple installation hole; 160 - bushing installation hole; 210 - locating pin installation hole; 220 - threaded hole; 320 - screw clearance hole; 321 - threaded clearance hole. Detailed implementation manners
[0035] To make the purpose, technical solutions, and advantages of the utility model more clear and understandable, the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be arbitrarily combined with each other.
[0036] An embodiment of the present application provides a general-purpose composite material compression molding tooling. Referring to Figures 1 to 16 , the general-purpose composite material compression molding tooling includes: a bottom plate 1, a side surround 1 2, a side surround 2 3, a backing plate 4, a wedge 1 5, a wedge 2 6, a cover plate 7, a positioning pin 8, a bushing 9, and a screw 10;
[0037] The general-purpose composite material compression molding tooling is interconnected through the bottom plate 1 and the side surround 1 2 and the side surround 3 to create a stable enclosed space. On the press platform, the cover plate 7 evenly applies pressure to the wedge 1 6 and the wedge 1 7. In this way, a pressure-uniform field will be formed inside the general-purpose composite material compression molding tooling, providing a favorable condition for the shape of the composite material product.
[0038] Furthermore, the bottom plate 1 is provided with a threaded hole 220, a positioning pin mounting hole 210, and a positioning pin removal hole 120. The threaded hole 220 is used for connecting with the side surround and hoisting, the positioning pin mounting hole is for positioning pin installation, and the positioning pin removal hole is for positioning pin replacement.
[0039] Furthermore, the side surround 1 2 and the side surround 2 3 are provided with a threaded hole 220, a bushing mounting hole 160, a screw clearance hole 320, a positioning pin mounting hole 210, a positioning pin removal hole 120, and a bushing removal hole 110. The threaded hole is used for mold closing and hoisting, the bushing mounting hole is for bushing installation, the screw clearance hole is for screw installation, the positioning pin mounting hole is for positioning pin installation, the positioning pin removal hole is for positioning pin replacement, and the bushing removal hole is for bushing replacement.
[0040] Furthermore, the backing plate 4 is provided with a threaded hole 220 for hoisting, and the distance t4 between the backing plate 4 and the four sides of the side surround is set to 1 mm. The backing plate 4 is used to protect the bottom plate and can be replaced in time when it is damaged.
[0041] Furthermore, the wedge 1 5 and the wedge 2 6 are provided with a threaded hole 220 and a multi-functional groove 130. The threaded hole is used for hoisting and disassembly, and the multi-functional groove is used for overflowing glue and exhausting air during the press application process. The distance t1 between the side surfaces of the wedge 1 and the wedge 2 is 1 mm, the distance t2 between the side surface of the wedge 1 and the side surround is 1 mm, and the distance t3 between the wedge 1 and the wedge 2 and the bottom plate is 4 mm.
[0042] Further, the cover plate 7 is provided with a threaded hole 220, a threaded clearance hole 321, a wiring groove 140, and a thermocouple mounting hole 150. The threaded hole is used for hoisting, the threaded clearance hole is used for mold clamping, the wiring groove is used for placing electric wires, and the thermocouple mounting hole is used for mounting a thermocouple.
Claims
1. A universal composite material compression molding tool, comprising a base plate (1), characterized in that: The four sides of the bottom plate (1) are fitted with side enclosures, the bottom plate (1) and the four side enclosures form a frame-shaped closed space, and the top surfaces of the four side enclosures are provided with cover plates (7), the four sides of the closed space are respectively provided with inclined wedges, and a pad (4) is provided below the four inclined wedges, the pad (4) is in contact with the bottom plate (1), the inclined wedges include an inclined wedge 1 (5) and an inclined wedge 2 (6), the inclined surface of the inclined wedge 1 (5) is fitted with the inclined surface of the inclined wedge 2 (6), the top end of the inclined wedge 1 (5), the bottom end of the inclined wedge 2 (6), the top surface of the pad (4) and the top surface of the cover plate (7) are all provided with a plurality of threaded holes, and the threaded holes are only used for hoisting, the side enclosures include two side enclosures 1 (2) and two side enclosures 2 (3), and The two side enclosures (2) are located on both sides of the bottom plate (1), and the two side enclosures (3) are located on both sides of the bottom plate (1). The four sides of the bottom plate (1), the top and one sides of the two side enclosures (2), and the top surfaces of the two side enclosures (3) are all provided with a plurality of threaded holes, and the threaded holes are used for mold closing or hoisting. The top surface of the cover plate (7) is provided with six staggered wiring grooves (140), and the staggered positions of the six wiring grooves (140) are all provided with thermocouple mounting holes (150). The four sides of the top surface of the cover plate (7) are all provided with a plurality of threaded clearance holes (321), and the threaded clearance holes (321) are used for mold closing. The wiring grooves (140) are used for placing electric wires, and the thermocouple mounting holes (150) are used for installing thermocouples.
2. A universal composite material compression molding tool according to claim 1, characterized in that: The outer surfaces of the four sides of the bottom plate (1) and the outer surfaces of one side of the two side enclosures (2) are all provided with a plurality of positioning pin installation holes, and positioning pins (8) are interference-fitted in the positioning pin installation holes.
3. A universal composite material compression molding tool according to claim 1, characterized in that: The bottom surface of the bottom plate (1) and the surface of one side of the two side enclosures (2) are both provided with a plurality of positioning pin removal holes, and the positioning pin removal holes are used for replacing the positioning pins (8).
4. The universal composite material compression molding tool according to claim 1, characterized in that: A plurality of pin sleeve removal holes are provided on one side surface of the two side enclosures (2) and one side surface of the two side enclosures (3), and the pin sleeve removal holes are used for replacing the pin sleeves (9); a plurality of pin sleeve installation holes are provided on one side surface of the two side enclosures (2) and one side surface of the two side enclosures (3), and the pin sleeve installation holes are communicated with the pin sleeve removal holes, and the pin sleeves (9) are embedded in the pin sleeve installation holes; a screw clearance hole is provided on one side surface of the two side enclosures (2) and one side surface of the two side enclosures (3), and the screw clearance hole is used for installing screws.
5. The universal composite material compression molding tool according to claim 1, characterized in that: The inclined surface and back surface of the inclined wedge 1 (5) and the inclined surface and back surface of the inclined wedge 2 (6) are both provided with multifunctional grooves (130) distributed at equal distances, and the length of the two inclined wedges located on the two sides of the four inclined wedges is three fifths of the length of the inclined wedges on the other two sides.