Forming mold of composite material for aerospace

Abstract

The invention relates to the field of forming molds, in particular to a forming mold of a composite material for aerospace, which comprises a top bearing disc arranged above a bottom bearing disc, the bottom bearing disc and the top bearing disc are the same in specification and size, a mounting disc is arranged on the inner side of the bottom bearing disc, and a rotating shaft rod is rotatably arranged on the mounting disc in a penetrating manner; the bottom end of the rotating shaft rod is fixedly connected with a connecting gear in a clamped mode, an inner sawtooth ring is arranged on the edge of the inner bottom of the bottom bearing disc, and the periphery of the inner sawtooth ring is fixedly sleeved with a movable ring. According to the device, the function of quickly replacing the forming mold is achieved, so that different types of products can be quickly formed, the working time is saved, the working efficiency is remarkably improved, mold blocks with different lengths and different widths can be positioned and mounted according to actual requirements, the application range is remarkably widened, and the practicability is high. According to the forming mold, products of different sizes can be conveniently formed, the step-by-step disassembly and assembly function of the forming mold is achieved, barrier-free maintenance can be conveniently carried out on fault parts, and the overhauling difficulty is reduced.

Description

Technical Field

[0001] The invention relates to the field of forming dies, in particular to a forming die for composite materials used in aerospace. Background Art

[0002] In the aerospace field, composite materials are widely used in the manufacture of structural components such as aircraft, rockets, and satellites due to their advantages such as light weight, high strength, and high corrosion resistance. The molding process of composite materials usually uses molds to control the flow, solidification, and shape accuracy of the materials. The molding molds of composite materials for aerospace refer to tools used to process composite materials such as carbon fiber reinforced resins and glass fiber reinforced resins into specific shapes when manufacturing aerospace parts. These molds are mainly used for the molding of high-performance composite materials and are one of the most important equipment in the aerospace industry.

[0003] The patent with announcement number CN214491425U discloses a molding die for thermosetting composite materials for aerospace. By starting two motors, two lead screw nuts can move up and down on the circumferential surface of the lead screw. Connecting rods are fixed at the front and rear ends of the two lead screw nuts, which are hinged with rectangular blocks through multiple connecting rods, so that the rectangular blocks drive the pressure plate to extrude downward. In order to prevent the situation that the extrusion force is insufficient or there are defects at one time, the hexagonal fixed block can be rotated to drive the screw to extrude the rectangular block downward, so that the model in the injection tank can be shaped more smoothly and tightly. However, when the molding die is used to mold different types of products, it is usually necessary to replace the mold blocks one by one, which takes a long working time and reduces work efficiency. For this reason, a molding die for composite materials for aerospace is proposed. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a molding die for composite materials for aerospace use, which solves the technical problem that the existing molding die proposed in the above background technology usually needs to replace the mold blocks one by one when molding different types of products, which takes a long working time and reduces work efficiency.

[0005] To achieve the above object, the present invention provides the following technical solutions: A forming mold for composite materials for aerospace, comprising a top bearing plate arranged above a bottom bearing plate, the bottom bearing plate and the top bearing plate having the same size, a mounting plate arranged on the inner side of the bottom bearing plate, a rotating shaft rod rotatably penetrating the mounting plate, a connecting gear being fixedly connected to the bottom end of the rotating shaft rod, an inner sawtooth ring being arranged at the inner bottom edge of the bottom bearing plate, a movable ring being fixedly sleeved on the periphery of the inner sawtooth ring, a plurality of groups of connecting blocks being fixedly connected to the upper surface of the inner sawtooth ring, a plurality of groups of the connecting blocks being provided with a bearing seat on the upper side, a plurality of groups of the bearing seats being provided with a mold block on the upper side, and a plurality of groups of the bearing seats being fixedly connected to the lower surface of the movable block; The periphery of the bottom bearing plate is fixedly connected with a cross-connecting plate, the lower side of the cross-connecting plate is provided with a support plate, the support plate is penetrated with a bayonet, the inner side of the bayonet is fixedly connected with a lifting motor, the output end of the lifting motor is fixedly connected with a vertical threaded shaft, the outer side of the vertical threaded shaft is sleeved with an internally threaded vertical pipe, the upper end of the internally threaded vertical pipe is fixedly connected with a bearing frame plate, the lower surface of the bearing frame plate is fixedly connected with limiting vertical pipes near the four sides, and the upper surface of the support plate is fixedly connected with four groups of limiting vertical rods.

[0006] As a further solution of the present invention, a driving motor is fixedly installed on the upper surface of the mounting plate, and the rotating shaft is fixedly connected to the output end of the driving motor, the connecting gear is located on the lower side of the mounting plate, the connecting gear is meshed with the inner serrated ring, and several groups of connecting blocks are evenly spaced on the upper side of the inner serrated ring, a rotating groove is provided at the bottom of the inner wall of the bottom supporting plate, and the movable ring is located on the inner side of the rotating groove, an annular groove is provided on the upper surface of the mounting plate near the edge, and several groups of movable blocks are evenly spaced inside the annular groove.

[0007] As a further solution of the present invention, the vertical threaded shaft is threadedly connected to the internal threaded vertical pipe, the four groups of limiting vertical pipes are evenly spaced and distributed on the periphery of the internal threaded vertical pipe, the four groups of limiting vertical rods are evenly spaced and distributed on the periphery of the vertical threaded shaft, and the four groups of limiting vertical rods are respectively movably connected to the four groups of limiting vertical pipes, the vertical cross-section of the bearing frame plate is U-shaped, and the bearing frame plate is fixedly connected to the top bearing plate.

[0008] As a further solution of the present invention, the upper surface of the bearing seat is provided with first limiting sliding grooves near the middle positions of both sides, the inner sides of the two groups of the first limiting sliding grooves are fixedly connected with first limiting sliding rods, the outer sides of the two groups of the first limiting sliding rods are sleeved with first limiting vertical plates, the outer sides of the two groups of the first limiting sliding rods are sleeved with first compression springs, and the tops of the two groups of the first limiting vertical plates are fixedly connected with first top stoppers; The upper surface of the bearing seat is provided with a second limiting sliding groove near the middle position of the other two sides, the inner sides of the two groups of the second limiting sliding grooves are fixedly connected with the second limiting sliding rods, the outer sides of the two groups of the second limiting sliding rods are pink and have second limiting vertical plates, the outer sides of the two groups of the second limiting sliding rods are sleeved with second compression springs, and the tops of the two groups of the second limiting vertical plates are fixedly connected with second top stoppers.

[0009] As a further solution of the present invention, the two groups of the first limit vertical plates are respectively slidably connected to the two groups of the first limit sliding rods, the two groups of the first compression springs are respectively located on the back-to-back sides of the two groups of the first limit vertical plates, the bottoms of the two groups of the first limit vertical plates are respectively located inside the two groups of the first limit sliding grooves, the two groups of the second limit vertical plates are respectively slidably connected to the two groups of the second limit sliding rods, the two groups of the second compression springs are respectively located on the back-to-back sides of the two groups of the second limit vertical plates, the bottoms of the two groups of the second limit vertical plates are respectively located inside the two groups of the second limit sliding grooves, the first limit sliding groove and the second limit sliding groove are vertically arranged, and the two groups of the first limit vertical plates and the two groups of the second limit vertical plates are both in contact with the mold block.

[0010] As a further solution of the present invention, the upper surface of the mold block is provided with a first edge groove near the middle position of both sides, and the upper surface of the mold block is fixedly connected with a second edge groove near the middle position of the other two sides, the two groups of the first top stop blocks are respectively matched with the two groups of first edge grooves, and the two groups of the second top stop blocks are respectively matched with the two groups of second edge grooves.

[0011] As a further solution of the present invention, the lower surface of the cross-connecting plate is fixedly connected with connecting slide bars near both sides, the upper surface of the support plate is provided with connecting slide grooves near both sides, and the cross-connecting plate is penetrated with a first fastening bolt; A connecting plate is fixedly connected to the lower surface of the bearing seat, and a second fastening bolt is penetrated through the connecting plate; A connection card frame is fixedly connected to the middle position of the lower surface of the installation plate, a connection card block is fixedly connected to the middle position of the inner bottom of the bottom bearing plate, and a third fastening bolt is provided through the middle position of the installation plate.

[0012] As a further solution of the present invention, the two groups of connecting slide rods are respectively matched with the two groups of connecting slide grooves, the upper surface of the support plate is provided with a first thread groove, and the first fastening bolt passes through the cross-connecting plate and cooperates with the first thread groove to be threadedly connected with the support plate.

[0013] As a further solution of the present invention, a second threaded groove is provided on the connecting block, and the second fastening bolt passes through the connecting plate and cooperates with the second threaded groove to be threadedly connected to the connecting block. The cross-sectional shape of the connecting card frame is arranged in a mouth shape, and the connecting card frame fits with the connecting card block. A third threaded groove is provided on the connecting card block, and the third fastening bolt passes through the mounting plate and cooperates with the third threaded groove to be threadedly connected to the connecting card block.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By starting the driving motor on the upper side of the mounting plate, the rotating shaft and the connecting gear are driven to rotate together, so that the inner serrated ring is driven to rotate through the meshing connecting gear and the inner serrated ring in cooperation with the movable ring and the rotating groove, and then the connecting block is matched with the movable block and the annular groove to drive several groups of bearing seats to rotate around the mounting plate until the mold block on the bottom bearing plate corresponds to the mold block on the top bearing plate, thereby realizing the function of rapid replacement of the molding mold, so as to quickly mold different types of products, saving working time and significantly improving working efficiency.

[0015] 2. The two groups of first limit vertical plates are moved by the sliding connection between the first limit vertical plate and the first limit sliding rod and the first limit sliding groove, and the two groups of first limit vertical plates are moved relative to each other by the two groups of first compression springs until the two groups of first limit vertical plates are respectively tightly fitted with the two sides of the mold block, and then the two groups of second limit vertical plates are moved relative to each other by the two groups of second compression springs until the two groups of second limit vertical plates are respectively tightly fitted with the other two sides of the mold block. At this time, the two groups of first top stoppers are respectively fitted with the two groups of first edge grooves, and the two groups of second top stoppers are respectively fitted with the two groups of second edge grooves, so that mold blocks of different lengths and widths can be positioned and installed according to actual needs, which significantly improves the scope of application so as to form products of different sizes.

[0016] 3. First, remove the first fastening bolt from the inner spiral of the first threaded groove, and then separate the support plate from the cross-connecting plate through the cooperation of two sets of connecting slide rods and two sets of connecting slide grooves, and make the support frame plate move away from the support plate through the threaded connection of the vertical threaded shaft and the internal threaded vertical tube in cooperation with four sets of limiting vertical rods and four sets of limiting vertical tubes, and then separate the connecting plate from the connecting block through the cooperation of the second fastening bolt and the second threaded groove, and then separate the mounting plate from the bottom supporting plate or the top supporting plate through the cooperation of the third fastening bolt and the third threaded groove with the connecting block and the connecting card frame, thereby realizing the step-by-step disassembly and assembly function of the molding mold, so as to facilitate barrier-free maintenance of faulty parts and reduce the difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the connection structure of the bottom bearing plate of the present invention; Figure 3 It is a schematic diagram of the connection structure of the top bearing plate in the present invention; Figure 4 It is a schematic diagram of the connection structure of the support plate in the present invention; Figure 5 It is a schematic diagram of the connection structure between the cross-connecting plate and the supporting plate in the present invention; Figure 6 It is a schematic diagram of the connection structure between the inner sawtooth ring and the bearing seat in the present invention; Figure 7 It is a schematic diagram of the connection structure of the inner sawtooth ring in the present invention; Figure 8 It is a schematic diagram of the connection structure of the mounting plate in the present invention; Fig. 9 It is a schematic diagram of the distribution structure of the first limiting vertical plate and the second limiting vertical plate in the present invention.

[0018] In the figure: 1, bottom bearing plate; 2, top bearing plate; 3, mounting plate; 4, driving motor; 5, rotating shaft; 6, connecting gear; 7, inner serrated ring; 8, movable ring; 9, rotating groove; 10, connecting block; 11, bearing seat; 12, mold block; 13, horizontal connecting plate; 14, supporting plate; 15, bayonet; 16, lifting motor; 17, vertical threaded shaft; 18, bearing frame plate; 19, internal threaded vertical pipe; 20, limiting vertical rod; 21, limiting vertical pipe; 22, connecting slide rod; 23, connecting slide groove; 24, first fastening bolt; 25, first threaded groove; 26 , connecting plate; 27, second fastening bolt; 28, second threaded groove; 29, movable block; 30, annular groove; 31, connecting block; 32, connecting frame; 33, third fastening bolt; 34, third threaded groove; 35, first limiting slide groove; 36, first limiting slide rod; 37, first limiting vertical plate; 38, first top stop block; 39, first compression spring; 40, second limiting slide groove; 41, second limiting slide rod; 42, second limiting vertical plate; 43, second top stop block; 44, second compression spring; 45, first edge slot; 46, second edge slot. DETAILED DESCRIPTION

[0019] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] For examples, see Figures 1 to 9 The present invention provides a molding die for composite materials for aerospace, and the technical solution is as follows: A forming mold for composite materials for aerospace, comprising a top bearing plate 2 arranged above a bottom bearing plate 1, the bottom bearing plate 1 and the top bearing plate 2 having the same size, a mounting plate 3 arranged on the inner side of the bottom bearing plate 1, a rotating shaft 5 rotatably penetratingly arranged on the mounting plate 3, a connecting gear 6 being fixedly connected to the bottom end of the rotating shaft 5, an inner sawtooth ring 7 being arranged at the inner bottom edge of the bottom bearing plate 1, a movable ring 8 being fixedly sleeved on the periphery of the inner sawtooth ring 7, a plurality of groups of connecting blocks 10 being fixedly connected to the upper surface of the inner sawtooth ring 7, a plurality of groups of connecting blocks 10 being arranged on the upper side of each of the groups of connecting blocks 10, and a mold block 1 being arranged on the upper side of each of the groups of supporting seats 11 2, the lower surfaces of several groups of bearing seats 11 are fixedly connected with movable blocks 29, the periphery of the bottom bearing plate 1 is fixedly connected with a transverse connecting plate 13, the lower side of the transverse connecting plate 13 is provided with a support plate 14, the support plate 14 is penetrated with a bayonet 15, the inner side of the bayonet 15 is fixedly connected with a lifting motor 16, the output end of the lifting motor 16 is fixedly connected with a vertical threaded shaft 17, the outer side of the vertical threaded shaft 17 is sleeved with an internal threaded vertical pipe 19, the upper end of the internal threaded vertical pipe 19 is fixedly connected with a bearing frame plate 18, the lower surface of the bearing frame plate 18 is fixedly connected with a limit vertical pipe 21 near the surrounding, and the upper surface of the support plate 14 is fixedly connected with four groups of limit vertical rods 20.

[0022] A driving motor 4 is fixedly mounted on the upper surface of the mounting disk 3, and a rotating shaft 5 is fixedly connected to the output end of the driving motor 4. A connecting gear 6 is located on the lower side of the mounting disk 3, and the connecting gear 6 is meshed with an inner serrated ring 7. Several groups of connecting blocks 10 are evenly spaced on the upper side of the inner serrated ring 7. A rotating groove 9 is provided at the bottom of the inner wall of the bottom supporting disk 1, and a movable ring 8 is located on the inner side of the rotating groove 9. An annular groove 30 is provided on the upper surface of the mounting disk 3 near the edge, and several groups of movable blocks 29 are evenly spaced inside the annular groove 30.

[0023] The vertical threaded shaft 17 is threadedly connected to the internal threaded vertical pipe 19, four groups of limiting vertical pipes 21 are evenly distributed on the periphery of the internal threaded vertical pipe 19, four groups of limiting vertical rods 20 are evenly distributed on the periphery of the vertical threaded shaft 17, and the four groups of limiting vertical rods 20 are movably connected to the four groups of limiting vertical pipes 21 respectively, the vertical cross-section of the bearing frame plate 18 is U-shaped, and the bearing frame plate 18 is fixedly connected to the top bearing plate 2.

[0024] Specifically, the driving motor 4 on the upper side of the mounting plate 3 is started to drive the rotating shaft 5 and the connecting gear 6 to rotate together, thereby driving the inner serrated ring 7 to rotate through the meshing connecting gear 6 and the inner serrated ring 7 in cooperation with the movable ring 8 and the rotating groove 9, and then driving several groups of supporting seats 11 to rotate around the mounting plate 3 through the connecting block 10 in cooperation with the movable block 29 and the annular groove 30, until the mold block 12 on the bottom supporting plate 1 corresponds to the mold block 12 on the top supporting plate 2, thereby realizing the function of rapid replacement of the molding mold, so as to quickly mold different types of products, saving working time and significantly improving work efficiency.

[0025] A first limiting slot 35 is provided on the upper surface of the bearing seat 11 near the middle position of both sides, the inner sides of the two groups of first limiting slots 35 are fixedly connected with the first limiting slide rods 36, the outer sides of the two groups of first limiting slide rods 36 are sleeved with the first limiting vertical plates 37, the outer sides of the two groups of first limiting slide rods 36 are sleeved with the first compression springs 39, the tops of the two groups of first limiting vertical plates 37 are fixedly connected with the first top stopper 38, and a second limiting slot 40 is provided on the upper surface of the bearing seat 11 near the middle position of the other two sides, the inner sides of the two groups of second limiting slots 40 are fixedly connected with the second limiting slide rods 41, the outer sides of the two groups of second limiting slide rods 41 are provided with the second limiting vertical plates 42, the outer sides of the two groups of second limiting slide rods 41 are sleeved with the second compression springs 44, and the tops of the two groups of second limiting vertical plates 42 are fixedly connected with the second top stopper 43.

[0026] The two groups of first limit vertical plates 37 are slidably connected to the two groups of first limit sliding rods 36, respectively, the two groups of first compression springs 39 are respectively located at the back-to-back sides of the two groups of first limit vertical plates 37, the bottoms of the two groups of first limit vertical plates 37 are respectively located inside the two groups of first limit sliding grooves 35, the two groups of second limit vertical plates 42 are slidably connected to the two groups of second limit sliding rods 41, respectively, the two groups of second compression springs 44 are respectively located at the back-to-back sides of the two groups of second limit vertical plates 42, the bottoms of the two groups of second limit vertical plates 42 are respectively located inside the two groups of second limit sliding grooves 40, the first limit sliding grooves 35 and the second limit sliding grooves 40 are vertically arranged, and the two groups of first limit vertical plates 37 and the two groups of second limit vertical plates 42 are both in contact with the mold block 12.

[0027] The upper surface of the mold block 12 is provided with first edge slots 45 near the middle positions of both sides, and the upper surface of the mold block 12 is fixedly connected with second edge slots 46 near the middle positions of the other two sides. The two groups of first top stoppers 38 are respectively matched with the two groups of first edge slots 45, and the two groups of second top stoppers 43 are respectively matched with the two groups of second edge slots 46.

[0028] Specifically, the two groups of first limit vertical plates 37 are moved by the sliding connection between the first limit slide bar 36 and the first limit slide groove 35, and the two groups of first limit vertical plates 37 are moved relative to each other by the two groups of first compression springs 39 until the two groups of first limit vertical plates 37 are tightly fitted with the two sides of the mold block 12 respectively, and then the two groups of second limit vertical plates 42 are moved by the sliding connection between the second limit slide bar 41 and the second limit slide groove 40, and The two groups of second limiting vertical plates 42 are relatively moved by two groups of second compression springs 44 until the two groups of second limiting vertical plates 42 are tightly fitted with the other two sides of the mold block 12, at which time the two groups of first top stop blocks 38 are respectively matched with the two groups of first edge grooves 45, and the two groups of second top stop blocks 43 are respectively matched with the two groups of second edge grooves 46, so that the mold blocks 12 of different lengths and widths can be positioned and installed according to actual needs, which significantly improves the scope of application so as to form products of different sizes.

[0029] The lower surface of the cross-connecting plate 13 is fixedly connected with connecting slide rods 22 near both sides, and the upper surface of the support plate 14 is provided with connecting slide grooves 23 near both sides. The cross-connecting plate 13 is penetrated by a first fastening bolt 24, and the lower surface of the bearing seat 11 is fixedly connected with a connecting plate 26, and the connecting plate 26 is penetrated by a second fastening bolt 27. A connecting card frame 32 is fixedly connected to the middle position of the lower surface of the mounting plate 3, a connecting card block 31 is fixedly connected to the middle position of the inner bottom of the bottom bearing plate 1, and a third fastening bolt 33 is penetrated by the middle position of the mounting plate 3.

[0030] The two groups of connecting slide bars 22 are respectively matched with the two groups of connecting slide grooves 23 . The upper surface of the support plate 14 is provided with a first thread groove 25 . The first fastening bolt 24 passes through the cross-connecting plate 13 and is threadedly connected with the support plate 14 in cooperation with the first thread groove 25 .

[0031] A second thread groove 28 is provided on the connecting block 10, and the second fastening bolt 27 passes through the connecting plate 26 and cooperates with the second thread groove 28 to be threadedly connected to the connecting block 10. The cross-sectional shape of the connecting card frame 32 is set in a mouth shape, and the connecting card frame 32 is matched with the connecting card block 31. A third thread groove 34 is provided on the connecting card block 31, and the third fastening bolt 33 passes through the mounting plate 3 and cooperates with the third thread groove 34 to be threadedly connected to the connecting card block 31.

[0032] Specifically, the first fastening bolt 24 is firstly taken out from the inner spiral of the first thread groove 25, and then the support plate 14 is separated from the cross-connecting plate 13 by the cooperation of two groups of connecting slide bars 22 and two groups of connecting slide grooves 23, and the four groups of limiting vertical rods 20 and four groups of limiting vertical tubes 21 are used to make the support frame plate 18 move away from the support plate 14 through the threaded connection of the vertical threaded shaft 17 and the internal threaded vertical tube 19, and then the second fastening bolt 27 and the second thread groove 28 are used to separate the connecting plate 26 from the connecting block 10, and then the third fastening bolt 33 and the third thread groove 34 are used to cooperate with the connecting block 31 and the connecting frame 32 to separate the mounting plate 3 from the bottom supporting plate 1 or the top supporting plate 2, thereby realizing the step-by-step disassembly and assembly function of the molding mold, so as to facilitate barrier-free maintenance of faulty parts and reduce the difficulty of maintenance.

[0033] Working principle: First, the staff moves the two groups of first limit vertical plates 37 through the sliding connection between the first limit slide bar 36 and the first limit slide groove 35, and makes the two groups of first limit vertical plates 37 move relative to each other through the two groups of first compression springs 39, until the two groups of first limit vertical plates 37 are respectively tightly fitted with the two sides of the mold block 12, then moves the two groups of second limit vertical plates 42 through the sliding connection between the second limit slide bar 41 and the second limit slide groove 40, and makes the two groups of second limit vertical plates 42 move relative to each other through the two groups of second compression springs 44, until the two groups of second limit vertical plates 42 are respectively tightly fitted with the other two sides of the mold block 12. The stoppers 38 are respectively matched with the two groups of first edge slots 45, and the two groups of second top stoppers 43 are respectively matched with the two groups of second edge slots 46, so that the mold blocks 12 of different lengths and widths can be positioned and installed according to actual needs, which significantly improves the scope of application so as to form products of different sizes. Secondly, by starting the driving motor 4 on the upper side of the mounting plate 3, the rotating shaft 5 and the connecting gear 6 are driven to rotate together, so that the inner serrated ring 7 is driven to rotate through the meshing connecting gear 6 and the inner serrated ring 7 in cooperation with the movable ring 8 and the rotating groove 9, and then the connecting block 10 cooperates with the movable block 29 and the annular groove 30 to drive several groups of bearing seats 11 to rotate around the mounting plate 3 until the mold block on the bottom bearing plate 1 12 corresponds to the mold block 12 on the top bearing plate 2, and then the lifting motor 16 inside the bayonet 15 is started to drive the vertical thread shaft 17 to rotate, so that the vertical thread shaft 17 and the internal thread vertical tube 19 are threadedly connected to cooperate with the four sets of limit vertical rods 20 and the four sets of limit vertical tubes 21 to drive the bearing frame plate 18 to move downward, and then drive the top bearing plate 2 to move downward until the two sets of mold blocks 12 are tightly fitted, realizing the rapid replacement function of the molding mold, so as to quickly mold different types of products, saving working time and significantly improving working efficiency. Finally, when a component on the device fails, the first fastening bolt 24 is first taken out from the inner side of the first thread groove 25 by spiral, and then the two sets of connecting slide bars 22 and the two sets of connecting slide bars are used to connect the two sets of connecting slide bars. The cooperation of the slide groove 23 separates the support plate 14 from the cross-connecting plate 13, and the threaded connection of the vertical threaded shaft 17 and the internally threaded vertical tube 19 cooperates with four sets of limiting vertical rods 20 and four sets of limiting vertical tubes 21 to keep the carrier plate 18 away from the support plate 14. Then, the second fastening bolt 27 and the second threaded groove 28 cooperate to separate the connecting plate 26 from the connecting block 10. Then, the third fastening bolt 33 and the third threaded groove 34 cooperate with the connecting block 31 and the connecting frame 32 to separate the mounting plate 3 from the bottom supporting plate 1 or the top supporting plate 2. The reverse operation can also be performed to conveniently assemble the device, realizing the step-by-step disassembly and assembly function of the molding mold, so as to facilitate barrier-free maintenance of faulty parts, reduce the difficulty of maintenance, and complete the operation.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A composite material forming die for aerospace use, comprising a top carrier plate (2) arranged above a bottom carrier plate (1), characterized in that: The bottom bearing plate (1) and the top bearing plate (2) have the same specifications and sizes. A mounting plate (3) is provided on the inner side of the bottom bearing plate (1). A rotating shaft (5) is rotatably provided on the mounting plate (3). The bottom end of the rotating shaft (5) is fixedly connected to a connecting gear (6). An inner sawtooth ring (7) is provided at the inner bottom edge of the bottom bearing plate (1). A movable ring (8) is fixedly sleeved on the outer periphery of the inner sawtooth ring (7). A plurality of groups of connecting blocks (10) are fixedly connected to the upper surface of the inner sawtooth ring (7). A bearing seat (11) is provided on the upper side of a plurality of groups of the connecting blocks (10). A mold block (12) is provided on the upper side of a plurality of groups of the bearing seats (11). A movable block (29) is fixedly connected to the lower surface of a plurality of groups of the bearing seats (11). A transverse connecting plate (13) is fixedly connected to the periphery of the bottom bearing plate (1), a support plate (14) is arranged on the lower side of the transverse connecting plate (13), a bayonet (15) is penetrated through the support plate (14), a lifting motor (16) is fixedly connected to the inner side of the bayonet (15), a vertical threaded shaft (17) is fixedly connected to the output end of the lifting motor (16), an internally threaded vertical pipe (19) is sleeved on the outer side of the vertical threaded shaft (17), a bearing frame plate (18) is fixedly connected to the upper end of the internally threaded vertical pipe (19), a lower surface of the bearing frame plate (18) is fixedly connected to limit vertical pipes (21) near all sides, and four groups of limit vertical rods (20) are fixedly connected to the upper surface of the support plate (14).

2. A forming die for composite materials for aerospace use according to claim 1, characterized in that: A driving motor (4) is fixedly mounted on the upper surface of the mounting plate (3), and a rotating shaft (5) is fixedly connected to the output end of the driving motor (4); the connecting gear (6) is located on the lower side of the mounting plate (3), and the connecting gear (6) is meshed with an inner sawtooth ring (7); a plurality of groups of connecting blocks (10) are evenly spaced and distributed on the upper side of the inner sawtooth ring (7); a rotating groove (9) is provided at the bottom of the inner wall of the bottom bearing plate (1), and the movable ring (8) is located on the inner side of the rotating groove (9); an annular groove (30) is provided on the upper surface of the mounting plate (3) near the edge, and a plurality of groups of movable blocks (29) are evenly spaced and distributed inside the annular groove (30).

3. The forming die of a composite material for aerospace according to claim 1, characterized in that: The vertical threaded shaft (17) is threadedly connected to the internal threaded vertical tube (19); four groups of the limiting vertical tubes (21) are evenly spaced and distributed on the periphery of the internal threaded vertical tube (19); four groups of the limiting vertical rods (20) are evenly spaced and distributed on the periphery of the vertical threaded shaft (17); and the four groups of limiting vertical rods (20) are movably connected to the four groups of limiting vertical tubes (21), respectively; the vertical cross-section of the bearing frame plate (18) is U-shaped, and the bearing frame plate (18) is fixedly connected to the top bearing plate (2).

4. The forming die of a composite material for aerospace according to claim 1, characterized in that: The upper surface of the bearing seat (11) is provided with first limiting sliding grooves (35) near the middle positions of both sides, the inner sides of the two groups of the first limiting sliding grooves (35) are fixedly connected with first limiting sliding rods (36), the outer sides of the two groups of the first limiting sliding rods (36) are sleeved with first limiting vertical plates (37), the outer sides of the two groups of the first limiting sliding rods (36) are sleeved with first compression springs (39), and the tops of the two groups of the first limiting vertical plates (37) are fixedly connected with first top stoppers (38); The upper surface of the bearing seat (11) is provided with a second limiting slide groove (40) near the middle position of the other two sides, the inner sides of the two groups of the second limiting slide grooves (40) are fixedly connected with a second limiting slide rod (41), the outer sides of the two groups of the second limiting slide rod (41) are pink and have a second limiting vertical plate (42), the outer sides of the two groups of the second limiting slide rod (41) are sleeved with a second compression spring (44), and the tops of the two groups of the second limiting vertical plates (42) are fixedly connected with a second top stopper (43).

5. A forming die for composite materials for aerospace use according to claim 4, characterized in that: The two groups of the first limit vertical plates (37) are respectively slidably connected to the two groups of the first limit sliding bars (36); the two groups of the first compression springs (39) are respectively located at the opposite sides of the two groups of the first limit vertical plates (37); the bottoms of the two groups of the first limit vertical plates (37) are respectively located inside the two groups of the first limit sliding grooves (35); the two groups of the second limit vertical plates (42) are respectively slidably connected to the two groups of the second limit sliding bars (41); the two groups of the second compression springs (44) are respectively located at the opposite sides of the two groups of the second limit vertical plates (42); the bottoms of the two groups of the second limit vertical plates (42) are respectively located inside the two groups of the second limit sliding grooves (40); the first limit sliding grooves (35) and the second limit sliding grooves (40) are vertically arranged; the two groups of the first limit vertical plates (37) and the two groups of the second limit vertical plates (42) are both in contact with the mold block (12).

6. A forming die for composite materials for aerospace use according to claim 5, characterized in that: The upper surface of the mold block (12) is provided with first edge slots (45) near the middle positions of both sides, and the upper surface of the mold block (12) is fixedly connected with second edge slots (46) near the middle positions of the other two sides, and the two groups of the first top stoppers (38) are respectively matched with the two groups of the first edge slots (45), and the two groups of the second top stoppers (43) are respectively matched with the two groups of the second edge slots (46).

7. The forming die of a composite material for aerospace according to claim 1, characterized in that: The lower surface of the cross-connecting plate (13) is fixedly connected to connecting slide bars (22) near both sides, the upper surface of the support plate (14) is provided with connecting slide grooves (23) near both sides, and the cross-connecting plate (13) is penetrated by a first fastening bolt (24); A connecting plate (26) is fixedly connected to the lower surface of the bearing seat (11), and a second fastening bolt (27) is provided through the connecting plate (26); A connection card frame (32) is fixedly connected to the middle position of the lower surface of the installation plate (3), a connection card block (31) is fixedly connected to the middle position of the inner bottom of the bottom bearing plate (1), and a third fastening bolt (33) is provided through the middle position of the installation plate (3).

8. The forming die of a composite material for aerospace according to claim 7, characterized in that: The two groups of connecting slide bars (22) are respectively matched with the two groups of connecting slide grooves (23); a first thread groove (25) is provided on the upper surface of the support plate (14); and a first fastening bolt (24) passes through the cross-connecting plate (13) and cooperates with the first thread groove (25) to be threadedly connected with the support plate (14).

9. The forming die of composite material for aerospace according to claim 7, characterized in that: The connecting block (10) is provided with a second thread groove (28), the second fastening bolt (27) passes through the connecting plate (26) and cooperates with the second thread groove (28) to be threadedly connected to the connecting block (10), the cross-sectional shape of the connecting clamp frame (32) is arranged in a square shape, and the connecting clamp frame (32) fits with the connecting clamp block (31), the connecting clamp block (31) is provided with a third thread groove (34), the third fastening bolt (33) passes through the mounting plate (3) and cooperates with the third thread groove (34) to be threadedly connected to the connecting clamp block (31).

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