SMC product forming die

By designing a combination of forming frames, heating support frames, air intake components and moving components, the problem of SMC product forming molds being difficult to disassemble is solved, and SMC products can be easily pressed and removed, thereby improving production efficiency.

CN223420151UActive Publication Date: 2025-10-10CHANGSHU HUABANG AUTOMOTIVE COMPOSITE MATERIALS CO LTD
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Patent Information

Application Number
CN202422863979.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-10
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

During the splitting process of the existing SMC product forming mold, the mold body cannot be split, which leads to the splitting of the mold, resulting in the difficulty in removing the SMC material. In the existing technology, the removal of SMC material and the unloading of the mold produced by SMC material are difficult.

Method used

A SMC product forming mold is designed, which includes a forming frame, a heating support frame, an air intake component, a moving component, a toggle component and a pressing component. Through the coordinated action of heating, pressing, air injection and moving components, the SMC product can be easily removed.

Benefits of technology

It realizes the convenient pressing and removal of SMC products, improves production efficiency and simplifies the unloading process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an SMC (Sheet Molding Compound) product forming die, which relates to the technical field of SMC product production and comprises a forming frame and an air inlet assembly, the number of the forming frames is two, two corresponding sliding grooves are formed in the forming frames, heating supporting frames are slidably connected to the interiors of the two sliding grooves, moving assemblies are installed on the exteriors of the two forming frames, and pressing assemblies are installed on the upper sides of the moving assemblies; the stirring assembly and the gas injection assembly are installed on the lower side of the heating supporting frame, the heating supporting frame adopts a hollow box body, electric heating wires which are evenly distributed are installed in the heating supporting frame, and a sheet needing to be formed is heated through the electric heating wires; and the air inlet assembly comprises U-shaped boxes, an air inlet pipe and an air outlet, the two corresponding U-shaped boxes are arranged at the front end and the rear end of the upper side of the heating supporting frame, and the SMC products obtained after pressing forming can be very conveniently taken out.
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Description

Technical Field

[0001] The utility model relates to the technical field of SMC product production, in particular to an SMC product forming die. Background Art

[0002] MC material is a type of fiberglass reinforced plastic. Its main raw materials are special yarns, fillers and various additives. It has excellent electrical insulation properties, mechanical properties, thermal stability and chemical corrosion resistance. It is widely used in the electrical industry, automotive industry and railway vehicles. In order to form SMC material into a specific shape, it needs to be shaped by a forming mold.

[0003] Chinese patent publication number CN216914540U discloses an SMC material forming mold. When a driving motor drives a linkage rod to rotate, a threaded connection is used to move a first protrusion up and down on the linkage rod, thereby adjusting the height of the mold body accordingly. This makes it easier for workers to remove pressurized material from the mold body, thereby improving work efficiency and facilitating use.

[0004] Although the above application has met the user's needs to a certain extent, there are still certain defects in the use process. The specific problems are as follows: the mold body of the existing device cannot be disassembled, making it difficult to remove the SMC material inside the mold body. Unloading is very difficult and is not conducive to practical use. Therefore, we propose an SMC product forming mold. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an SMC product forming mold, which can very conveniently remove the SMC product after compression molding, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: an SMC product forming die, comprising a forming frame and an air intake assembly;

[0007] Forming frames: There are two, each of which has two corresponding chutes inside. The two chutes are slidably connected to the heating support frames. A moving assembly is installed on the outside of the two forming frames. A pressing assembly is installed on the upper side of the moving assembly. A toggle assembly and a gas injection assembly are installed on the lower side of the heating support frame. The heating support frame adopts a hollow box with evenly distributed heating wires installed inside. The sheet to be formed is heated by the heating wires.

[0008] The air inlet assembly comprises a U-shaped box, an air inlet pipe and an air outlet. Two corresponding U-shaped boxes are arranged on the upper side of the heating support frame. The air inlet pipe is fixed to the lower side of the two U-shaped boxes. The air outlet is arranged on the side of the U-shaped box. The inner cavity of the two U-shaped boxes is communicated with the air inlet pipe. The air injection assembly is connected with the air inlet pipe. The compressed air is injected into the gap between the SMC product and the heating support frame through the air inlet assembly.

[0009] Further, the air injection assembly comprises an air pump and an air outlet pipe. The air pump is installed on the lower side of the heating support frame. The air outlet pipe is fixed in the air outlet hole of the air pump. The air outlet pipe is connected with the air inlet pipe. The input end of the air pump is electrically connected with the output end of the control switch group. The compressed air is injected into the inner part of the two U-shaped boxes through the air injection assembly.

[0010] Further, the connecting assembly comprises a connecting strip and a rack. Two corresponding openings are arranged on the lower side of the heating support frame. Two corresponding connecting strips are arranged in the openings. The two connecting strips are fixed to the lower side of the two U-shaped boxes. The rack is fixed to the side of the connecting strip. The two U-shaped boxes are moved through the connecting assembly.

[0011] Further, the dialing assembly comprises a fixed plate, a first motor and a gear. The fixed plate is fixed to the lower side of the heating support frame. The first motor is installed on the lower side of the fixed plate. The output shaft of the first motor is fixed with the gear. The gear is engaged with the two racks. The input end of the first motor is electrically connected with the output end of the control switch group. The two racks are moved through the dialing assembly.

[0012] Further, the moving assembly comprises a fixed frame, a second motor, a bidirectional screw rod and a limiting rod. The second motor is installed on the left side of the fixed frame. The threaded holes are arranged on the rear side of the forming frame. The two threaded holes are oppositely threaded. The bidirectional screw rod is threadedly connected in the two threaded holes. The bidirectional screw rod is welded by two oppositely threaded screw rods. The bidirectional screw rod is rotatably connected in the fixed frame. The output shaft of the second motor is fixed to the left end of the bidirectional screw rod. The limiting holes are arranged on the front side of the forming frame. The limiting rods are slidably connected in the limiting holes. The limiting rods are fixed in the fixed frame. The input end of the second motor is electrically connected with the output end of the control switch group. The forming frame is moved through the moving assembly.

[0013] Further, the pressing assembly comprises a mounting frame, a mounting rod and a pressing plate, the rear end of the upper side of the fixed frame is fixed with the mounting frame, a sliding hole is arranged in the middle of the mounting frame, the mounting rod is slidably connected in the sliding hole, the lower end of the mounting rod is fixed with the pressing plate, the pressing plate corresponds to the heating support frame, and the mounting rod is connected with the telescopic arm of the external hydraulic machine, and the SMC product is pressed into shape through the pressing assembly.

[0014] Compared with the prior art, the SMC product forming die has the following advantages:

[0015] 1. The sheet required for SMC product production is placed in the interiors of the two forming frames and above the heating support frame during use, and then the sheet is pressed into an SMC product by controlling the mounting rod to move downward to drive the pressing plate to move downward through the external extruder, which is extremely convenient.

[0016] 2. After the SMC product is pressed and cooled, the two forming frames are moved away, the first motor is started to drive the two racks to move away through the rotation of the gear, the two racks are moved away to move the two U-shaped boxes away from the heating support frame, then the air pump is started to inject compressed air into the interiors of the two U-shaped boxes, the compressed air is injected into the gap between the SMC product and the heating support frame through all the air outlets, and then the SMC product can be extremely conveniently taken down, which is extremely convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front side structure schematic view of the utility model;

[0018] Figure 2 It is an air injection assembly structure schematic view of the utility model;

[0019] Figure 3 It is a moving assembly structure schematic view of the utility model.

[0020] In the drawing: 1, forming frame, 2, heating support frame, 3, air inlet assembly, 31, U-shaped box, 32, air inlet pipe, 33, air outlet, 4, air injection assembly, 41, air pump, 42, air outlet pipe, 5, connecting assembly, 51, connecting strip, 52, rack, 6, moving assembly, 61, fixed plate, 62, first motor, 63, gear, 7, moving assembly, 71, fixed frame, 72, second motor, 73, bidirectional screw rod, 74, limiting rod, 8, pressing assembly, 81, mounting frame, 82, mounting rod, 83, pressing plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 ,This embodiment provides a technical solution: an SMC product forming die, comprising a forming frame 1 and an air intake assembly 3;

[0023] Molding frame 1: There are two, the interior of the molding frame 1 is provided with two corresponding slide grooves, the interior of the two slide grooves is slidably connected with the heating support frame 2, the outside of the two molding frames 1 is installed with a moving component 7, the upper side of the moving component 7 is installed with a pressing component 8, the lower side of the heating support frame 2 is installed with a toggle component 6 and a gas injection component 4, the gas injection component 4 includes an air pump 41 and an air outlet pipe 42, the lower side of the heating support frame 2 is installed with an air pump 41, the air outlet pipe 42 is fixed in the air outlet hole of the air pump 41, the air outlet pipe 42 is connected to the air inlet pipe 32, the input end of the air pump 41 is electrically connected to the output end of the external control switch group, and also includes a connecting component 5, the connecting component 5 includes a connecting bar 51 and a rack 52, the lower side of the heating support frame 2 is opened There are two corresponding openings, and two corresponding connecting strips 51 are arranged inside the openings. The two connecting strips 51 are respectively fixed to the lower sides of the two U-shaped boxes 31. A rack 52 is fixed to the side of the connecting strip 51. The toggle assembly 6 includes a fixed plate 61, a first motor 62 and a gear 63. A fixed plate 61 is fixed to the lower side of the heating support frame 2. The lower side of the fixed plate 61 is installed with a first motor 62. A gear 63 is fixed on the output shaft of the first motor 62. The gear 63 is engaged with the two racks 52. The input end of the first motor 62 is electrically connected to the output end of the external control switch group. The moving assembly 7 includes a fixed frame 71, a second motor 72, a bidirectional screw 73 and a limit rod 74. The second motor 72 is installed on the left side of the fixed frame 71. The rear side of the forming frame 1 is provided with a threaded hole, and the threads of the two threaded holes are opposite. The internal threads of the two threaded holes are connected with a bidirectional screw 73. The bidirectional screw 73 is welded by two threaded rods with opposite threads. The bidirectional screw 73 is rotatably connected to the inside of the fixed frame 71, and the output shaft of the second motor 72 is fixed to the left end of the bidirectional screw 73. The front side of the forming frame 1 is provided with a limiting hole, and the internal sliding connection of the two limiting holes is connected to the limiting rod 74. The limiting rod 74 is fixed to the inside of the fixed frame 71. The input end of the second motor 72 is electrically connected to the output end of the external control switch group. The pressing assembly 8 includes a mounting bracket 81, a mounting rod 82 and a pressing plate 83. The rear end of the upper side of the fixed frame 71 is fixed with a mounting bracket 81. The mounting bracket 8 1 is provided with a sliding hole in the middle, and a mounting rod 82 is provided inside the sliding hole for sliding connection. A pressing plate 83 is fixed to the lower end of the mounting rod 82. The pressing plate 83 corresponds to the heating support frame 2. The mounting rod 82 is connected to the telescopic arm of the external hydraulic press. The SMC product is pressed and formed by setting a pressing component 8, and the forming frame 1 is driven to move by setting a moving component 7. The two racks 52 are driven to move by setting a toggle component 6. The two U-shaped boxes 31 are driven to move by setting a connecting component 5. The compressed air is injected into the interior of the two U-shaped boxes 31 by setting an air injection component 4. The heating support frame 2 adopts a hollow box body with evenly distributed heating wires installed inside. The sheet to be formed is heated by the heating wires.

[0024] The air inlet assembly 3 comprises a U-shaped box 31, an air inlet pipe 32 and air outlets 33, two corresponding U-shaped boxes 31 are arranged at the front and rear ends of the upper side of the heating support frame 2, the air inlet pipes 32 are fixed to the lower sides of the two U-shaped boxes 31, the air outlets 33 are arranged on the side surfaces of the U-shaped boxes 31 in a uniform distribution, the air inlet pipes 32 are communicated with the inner cavities of the two U-shaped boxes 31 respectively, and the air injection assembly 4 is connected with the air inlet pipes 32.

[0025] The working principle of the SMC product forming die is as follows: first, the SMC sheet material which is cut and preheated is placed into the two forming frames 1, and after being placed, the SMC sheet material is located above the heating support frame 2, then the heating wire in the heating support frame 2 is controlled to heat the SMC sheet material, then the external hydraulic machine is controlled to drive the mounting rod 82 to move downward and drive the pressing plate 83 to move downward, so that the material can be pressed into the SMC product, after pressing, waiting for cooling, then the second motor 72 is started to drive the bidirectional screw rod 73 to rotate, the bidirectional screw rod 73 drives the two forming frames 1 to move away from the heating support frame 2, then the first motor 62 is started to drive the gear 63 to rotate and drive the two racks 52 to move away, the two racks 52 move away to drive the two U-shaped boxes 31 to move away from the heating support frame 2, then the air pump 41 is started to inject compressed air into the two U-shaped boxes 31, after injection, the compressed air is sprayed into the gap between the SMC product and the heating support frame 2 through all the air outlets 33, then the SMC product can be taken down very conveniently, which is very convenient.

[0026] It is worth noting that the external control switch group disclosed in the above embodiment is provided with buttons corresponding to the air pump 41, the first motor 62 and the second motor 72 one by one, the first motor 62 and the second motor 72 can be selected as 1LE0003 three-phase asynchronous motors, and the air pump 41 can be selected as a 12v small air pump.

[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A SMC product forming die, characterized by: It includes a forming frame (1) and an air intake assembly (3); Forming frames (1): Two forming frames (1) are provided, two corresponding slide grooves are provided inside the forming frames (1), the interior of the two slide grooves is slidably connected to the heating support frame (2), a moving assembly (7) is installed on the outside of the two forming frames (1), a pressing assembly (8) is installed on the upper side of the moving assembly (7), and a toggle assembly (6) and a gas injection assembly (4) are installed on the lower side of the heating support frame (2); An air intake assembly (3): comprising a U-shaped box (31), an air intake pipe (32) and an air outlet (33); two corresponding U-shaped boxes (31) are provided at the front and rear ends of the upper side of the heating support frame (2); air intake pipes (32) are fixed to the lower sides of the two U-shaped boxes (31); air outlets (33) are evenly distributed on the side surfaces of the U-shaped boxes (31); the air intake pipes (32) are respectively communicated with the inner cavities of the two U-shaped boxes (31); and the air injection assembly (4) is connected to the air intake pipe (32).

2. The SMC product forming die according to claim 1, characterized in that: The gas injection assembly (4) comprises an air pump (41) and an air outlet pipe (42). The air pump (41) is installed on the lower side of the heating support frame (2). The air outlet pipe (42) is fixed in the air outlet hole of the air pump (41). The air outlet pipe (42) is connected to the air inlet pipe (32). The input end of the air pump (41) is electrically connected to the output end of the external control switch group.

3. The SMC product forming die according to claim 1, characterized in that: The heating support frame (2) further comprises a connecting assembly (5), wherein the connecting assembly (5) comprises a connecting bar (51) and a rack (52). Two corresponding openings are provided on the lower side of the heating support frame (2), and two corresponding connecting bars (51) are provided inside the openings. The two connecting bars (51) are respectively fixed to the lower sides of the two U-shaped boxes (31), and the rack (52) is fixed to the side of the connecting bar (51).

4. The SMC product forming die according to claim 3, characterized in that: The toggle assembly (6) comprises a fixed plate (61), a first motor (62) and a gear (63); the fixed plate (61) is fixed to the lower side of the heating support frame (2); the first motor (62) is installed on the lower side of the fixed plate (61); a gear (63) is fixed on the output shaft of the first motor (62); the gear (63) is meshed with two racks (52); the input end of the first motor (62) is electrically connected to the output end of an external control switch group.

5. The SMC product forming die according to claim 1, characterized in that: The moving assembly (7) comprises a fixed frame (71), a second motor (72), a bidirectional screw (73) and a limiting rod (74). The second motor (72) is installed on the left side of the fixed frame (71). The rear side edge of the forming frame (1) is provided with a threaded hole. The threads of the two threaded holes are opposite to each other. The internal threads of the two threaded holes are connected to the bidirectional screw (73). The bidirectional screw (73) is welded by two threaded rods with opposite threads. The bidirectional screw (73) is rotatably connected to the inside of the fixed frame (71). The output shaft of the second motor (72) is fixed to the left end of the bidirectional screw (73). The front side edge of the forming frame (1) is provided with a limiting hole. The internal parts of the two limiting holes are slidably connected to the limiting rod (74). The limiting rod (74) is fixed to the inside of the fixed frame (71). The input end of the second motor (72) is electrically connected to the output end of the external control switch group.

6. The SMC product forming die according to claim 5, characterized in that: The pressing assembly (8) includes a mounting frame (81), a mounting rod (82) and a pressing plate (83). The mounting frame (81) is fixed to the rear end of the upper side of the fixed frame (71). A sliding hole is provided in the middle of the mounting frame (81). The interior of the sliding hole is provided with a mounting rod (82) which is slidably connected. The lower end of the mounting rod (82) is fixed with a pressing plate (83). The pressing plate (83) corresponds to the heating support frame (2). The mounting rod (82) is connected to the telescopic arm of the external hydraulic press.

Citation Information

Patent Citations

  • SMC (Sheet Molding Compound) material forming die

    CN216914540U