Material shaping device

Abstract

The utility model discloses a material shaping device which comprises a working table, a pressing table, a fixing plate arranged above the pressing table, and a guide rod arranged between the fixing plate and the pressing table; the hot pressing part comprises a hot pressing plate arranged in the workbench, and a power unit is arranged on the workbench and used for driving the hot pressing plate to move; the demolding part comprises a moving platform arranged on the hot pressing table and is used for ejecting out the material; the connecting part comprises a first connecting rod arranged on the hot pressing plate, and a linkage component is arranged at one end of the first connecting rod; when the hot pressing plate ascends, the linkage component is connected with the demolding component and drives the movable platform to ascend; the restraining part is arranged in the hot pressing table and used for releasing the connection between the linkage component and the demolding part; according to the utility model, the connecting part and the demolding part are matched with each other, the demolding part ejects the composite material out of the hot pressing table until the linkage component is separated from the constraint part, manual demolding is not needed, damage caused by uniform manual force application is avoided, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite materials, in particular to a material shaping device. Background Art

[0002] Composite materials are composed of two or more materials with different properties, which are combined into materials with new properties on a macro scale through physical or chemical methods. Carbon fiber reinforced composite materials, as a type of composite materials, are often used in technical fields such as aerospace, automobile manufacturing, etc. due to their high specific strength, high specific stiffness, corrosion resistance, and designability.

[0003] In the related art, carbon fiber reinforced composite materials are usually cured by hot pressing to achieve the desired shape. However, in the existing hot pressing device for composite materials, after the material is formed, the formed product is usually taken out manually. However, manual demoulding is inconvenient and even uneven force may damage the product during demoulding, which reduces work efficiency. Therefore, the present application proposes a material shaping device that can be demoulded automatically after hot pressing. Utility Model Content

[0004] The main purpose of the utility model is to provide a material shaping device which can demould itself after hot pressing is completed.

[0005] To achieve the above-mentioned purpose, the utility model provides a material shaping device, comprising:

[0006] The workbench comprises a hot pressing platform, the hot pressing platform is provided with a forming groove, a fixing plate is provided above the hot pressing platform, and a plurality of guide rods are provided between the fixing plate and the hot pressing platform;

[0007] The hot pressing component comprises a hot pressing plate arranged between the hot pressing platform and the fixed plate, and the hot pressing plate is vertically slidably arranged on each of the guide rods, a boss corresponding to the forming groove is arranged on the side of the hot pressing plate close to the hot pressing platform, and is used for hot pressing the composite material, an upper demoulding assembly is arranged on the hot pressing plate, and when the hot pressing plate rises, the upper demoulding assembly is used for pushing the composite material downward, so as to demould the upper surface of the composite material, and a power unit is also arranged between the hot pressing plate and the fixed plate, and is used for driving the hot pressing plate to move vertically back and forth along the installation direction of the guide rod;

[0008] The demoulding component includes a moving platform vertically slidably arranged in the molding groove, and the moving platform can rise to push the material in the molding groove out of the molding groove;

[0009] A connecting component, wherein the connecting components are provided in plurality and distributed on both sides of the hot pressing plate, the connecting component comprises a first connecting rod connected to the hot pressing plate, and a linkage component is provided at one end of the first connecting rod away from the hot pressing plate and inserted into the hot pressing platform, when the hot pressing plate descends, the first connecting rod drives the linkage component to descend and connects the linkage component with the demoulding component, and when the hot pressing plate ascends after hot pressing, the linkage component is connected with the demoulding component and drives the moving platform to ascend;

[0010] A restraining component is arranged in the hot pressing platform and is arranged on one side of the linkage component, and is used to release the connection between the linkage component and the demoulding component after the movable platform rises to push the material out of the molding groove.

[0011] Furthermore, the demolding component also includes a second connecting rod arranged in the hot pressing table, and the second connecting rod is arranged below the corresponding first connecting rod, and a cavity is opened at one end of the second connecting rod close to the corresponding first connecting rod, and a notch is provided at the entrance of the cavity. When the first connecting rod descends, one end of the linkage member passes through the notch and enters the cavity, and rotates in the cavity to abut and cooperate with the top wall of the cavity, so that the connecting component is connected to the demolding component, and the other end of the second connecting rod is connected to the bottom of the movable platform, and the movable platform is driven to rise by the second connecting rod.

[0012] Furthermore, a limiting groove is provided at the bottom of the chamber;

[0013] The linkage component includes a rotating rod rotatably arranged at one end of the first connecting rod away from the hot pressing plate, and a torsion spring is provided between the rotating rod and the first connecting rod for driving the rotating rod to rotate and reset, and a spiral arc plate is provided on the rotating rod. When the first connecting rod drives the rotating rod to descend, the arc plate abuts against the constraint component and drives the rotating rod to rotate during the descent process. When one end of the arc plate close to the first connecting rod abuts against one side of the constraint component, the torsion spring accumulates force, and the torsion spring always provides pressure on the rotating rod in the direction of the constraint component;

[0014] A limit block is provided at one end of the rotating rod away from the first connecting rod, and a telescopic rod is provided below the limit block, the telescopic rod includes a telescopic end and a fixed end, and a second elastic unit is provided between the fixed end and the telescopic end. As the first connecting rod descends, the telescopic end of the telescopic rod extends into the chamber of the second connecting rod and cooperates with the limit groove. A guide groove is provided on the inner wall of the telescopic end of the telescopic rod, and the guide groove includes an arc segment and a straight segment, and the straight segment connects the upper and lower ends of the arc segment. A guide block that slidably cooperates with the guide groove is provided on the fixed end of the telescopic rod. As the first connecting rod continues to descend, the guide block first cooperates with the arc segment of the guide groove and then enters the straight segment.

[0015] Furthermore, the restraining component includes a first restraining rod arranged below the arc plate, the first restraining rod is "L"-shaped and one end of which is arranged on the inner wall of the hot pressing platform, and the other end is vertically arranged below the arc plate. When the rotating rod descends, the lower surface of the arc plate contacts the first restraining rod and causes the rotating rod to rotate along the arc surface direction of the lower surface of the arc plate. A second restraining rod is also provided above the first restraining rod. The second restraining rod is arranged on the hot pressing platform along the installation direction of one end of the first restraining rod arranged on the hot pressing platform, and a gap is left between the second restraining rod and the vertical end of the first restraining rod for the arc plate to pass through. When the rotating rod rises, after the arc plate detaches from the first restraining rod, the upper surface of the arc plate abuts against the second restraining rod. During the rising process of the arc plate, the second restraining rod causes the rotating rod to rotate along the upper surface direction of the arc plate.

[0016] Furthermore, the boss of the hot pressing plate is provided with grooves corresponding to the number of the upper demoulding components;

[0017] The upper demoulding assembly is provided with multiple and equidistantly distributed on the hot pressing plate, and the upper demoulding assembly includes a connecting column vertically slidably inserted in the corresponding groove of the hot pressing plate, and the end of the connecting column close to the hot pressing table extends out of the hot pressing plate and is provided with a demoulding plate, and the thickness of the demoulding plate corresponds to the height of the groove on the hot pressing plate, and a first elastic unit is provided between the other end of the connecting column and the hot pressing plate, which is used to push the demoulding plate toward the hot pressing table through the connecting column.

[0018] The beneficial effects of the utility model are embodied in:

[0019] According to the utility model, when the hot pressing component drives the connecting component to move upward, the connecting component cooperates with the demoulding component, and the demoulding component applies force from the bottom of the composite material to push it out from the hot pressing table until the linkage component is separated from the constraint component. The demoulding component is reset and waits for the next work. No manual demoulding is required throughout the whole process, thus avoiding damage caused by uniform manual force application. No manual participation is required in the whole processing process, thus improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional view of the front side of the material shaping device of the utility model;

[0021] Figure 2 It is a sectional side view of the material shaping device of the utility model;

[0022] Figure 3 yes Figure 2 Magnified view at A in the middle;

[0023] Figure 4 It is a cross-sectional view of the material shaping device of the utility model;

[0024] Figure 5 yes Figure 4 Magnified view at B in the middle;

[0025] Figure 6 It is the structural view of the linkage component.

[0026] Description of reference numerals:

[0027] 1. Workbench; 11. Hot pressing table; 12. Fixed plate; 13. Guide rod; 2. Hot pressing component; 21. Hot pressing plate; 22. Upper demoulding assembly; 221. Connecting column; 222. Demolding plate; 223. First elastic unit; 23. Power unit; 3. Demolding component; 31. Moving platform; 32. Second connecting rod; 321. Chamber; 322. Limiting groove; 4. Connecting component; 41. First connecting rod; 42. Linking member; 421. Rotating rod; 422. Arc plate; 423. Limiting block; 424. Telescopic rod; 4241. Guide block; 4242. Guide groove; 43. Second elastic unit; 5. Constraint component; 51. First constraint rod; 52. Second constraint rod. Specific implementation plan

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0029] See also Figure 1-Figure 6 .

[0030] The utility model discloses a material shaping device, comprising:

[0031] The workbench 1 comprises a hot pressing platform 11, on which a forming groove is provided, a fixing plate 12 is provided above the hot pressing platform 11, and a plurality of guide rods 13 are provided between the fixing plate 12 and the hot pressing platform 11;

[0032] The hot pressing component 2 includes a hot pressing plate 21 disposed between the hot pressing platform 11 and the fixed plate 12, and the hot pressing plate 21 is vertically slidably disposed on each guide rod 13. A boss corresponding to the molding groove is disposed on the side of the hot pressing plate 21 close to the hot pressing platform 11, which is used for hot pressing the composite material. An upper demoulding component 22 is disposed on the hot pressing plate 21. When the hot pressing plate 21 rises, the upper demoulding component 22 is used to push the composite material downward, thereby demoulding the upper surface of the composite material. A power unit 23 is also disposed between the hot pressing plate 21 and the fixed plate 12, which is used to drive the hot pressing plate 21 to move vertically back and forth along the installation direction of the guide rod 13.

[0033] The demoulding component 3 includes a moving platform 31 vertically slidably disposed in the molding groove, and the moving platform 31 can rise to push the material in the molding groove out of the molding groove;

[0034] The connecting component 4 is provided in plurality and distributed on both sides of the hot pressing plate 21. The connecting component 4 includes a first connecting rod 41 connected to the hot pressing plate 21, and a linkage member 42 is provided at one end of the first connecting rod 41 away from the hot pressing plate 21 and inserted into the hot pressing platform 11. When the hot pressing plate 21 descends, the first connecting rod 41 drives the linkage member 42 to descend and connects the linkage member 42 with the demoulding component 3. When the hot pressing plate 21 is completed after hot pressing and rises, the linkage member 42 is connected with the demoulding component 3 and drives the moving platform 31 to rise.

[0035] The restraining component 5 is arranged in the hot pressing platform 11, and the restraining component 5 is arranged on one side of the linkage component 42, and is used to release the connection between the linkage component 42 and the demoulding component 3 after the moving platform 31 rises to push the material out of the molding groove.

[0036] In the specific implementation, the staff places the composite material to be processed on the hot press table 11, and then starts the power unit 23 and controls the hot press plate 21 to move downward. At this time, the hot press plate 21 drives the connecting component 4 to move downward until the hot press plate 21 presses the composite material onto the movable platform 31 and heats it. At this time, the linkage component 42 is connected to the demolding component 3. After the hot pressing of the composite material is completed, the hot press plate 21 is driven to move upward by the power unit 23, and the hot press plate 21 drives the connecting component 4 to rise. The linkage component 42 drives the demolding component 3 to rise. At this time, the movable platform 31 rises and pushes the composite material out of the molding groove on the hot press table 11 to complete the demolding. At the same time, the linkage component 42 triggers the constraint component 5 to separate the linkage component 42 from the demolding component 3, and the demolding component 3 falls and resets with gravity; then the upper demolding component 22 pushes the composite material downward to separate the upper surface of the composite material from the hot press plate 21.

[0037] In the utility model, when the hot pressing component 2 drives the connecting component 4 to move upward, the connecting component 4 cooperates with the demoulding component 3, and the demoulding component 3 applies force from the bottom of the composite material to push it out from the hot pressing platform 11 until the linkage component 42 is separated from the constraint component 5. The demoulding component 3 is reset and waits for the next work. No manual demoulding is required throughout the whole process, thus avoiding damage caused by uniform manual force application. In addition, no manual participation is required in the entire processing process, thereby improving work efficiency.

[0038] Preferably, the power unit 23 may use a hydraulic cylinder in the prior art.

[0039] In one embodiment, the demolding component 3 also includes a second connecting rod 32 arranged in the hot pressing table 11, and the second connecting rod 32 is arranged below the corresponding first connecting rod 41. A chamber 321 is opened at one end of the second connecting rod 32 close to the corresponding first connecting rod 41, and a notch is provided at the entrance of the chamber 321. When the first connecting rod 41 descends, one end of the linkage member 42 passes through the notch and enters the chamber 321, and rotates in the chamber 321 to abut against the top wall of the chamber 321, thereby connecting the connecting component 4 to the corresponding demolding component 3, and the other end of the second connecting rod 32 is connected to the bottom of the movable platform 31, and the movable platform 31 is driven to rise by the second connecting rod 32.

[0040] With such a design, when the first connecting rod 41 descends, the linkage member 42 passes through the notch on the second connecting rod 32 and enters into the chamber 321 of the second connecting rod 32. At this time, the connecting component 4 is connected to the demolding component 3, and the first connecting rod 41 can drive the second connecting rod 32 to rise or fall. When the first connecting rod 41 rises, the second connecting rod 32 drives the mobile platform 31 to rise to demold the processed composite material until the constraint component 5 is triggered during the rising process of the linkage member 42. At this time, the linkage member 42 is reset and disengaged from the chamber 321 of the second connecting rod 32, and the mobile platform 31 is reset under the action of gravity.

[0041] In one embodiment, a limiting groove 322 is formed at the bottom of the chamber 321;

[0042] The linkage member 42 includes a rotating rod 421 rotatably arranged at one end of the first connecting rod 41 away from the hot pressing plate 21, and a torsion spring (not shown in the figure) is provided between the rotating rod 421 and the first connecting rod 41 for driving the rotating rod 421 to rotate and reset. A spiral arc plate 422 is provided on the rotating rod 421. When the first connecting rod 41 drives the rotating rod 421 to descend, the arc plate 422 abuts against the constraint component 5 and drives the rotating rod 421 to rotate during the descent. When one end of the arc plate 422 close to the first connecting rod 41 abuts against one side of the constraint component 5, the torsion spring accumulates force, and the torsion spring always provides pressure on the rotating rod 421 in the direction of the constraint component 5;

[0043] A limit block 423 is provided at one end of the rotating rod 421 away from the first connecting rod 41, and a telescopic rod 424 is provided below the limit block 423. The telescopic rod 424 includes a telescopic end and a fixed end, and a second elastic unit 43 is also provided between the fixed end and the telescopic end. As the first connecting rod 41 descends, the telescopic end of the telescopic rod 424 extends into the chamber 321 of the second connecting rod 32 and is limitedly matched with the limit groove 322. A guide groove 4242 is provided on the inner wall of the telescopic end of the telescopic rod 424. The guide groove 4242 includes an arc segment and a straight segment. The straight segment connects the upper and lower ends of the arc segment. A guide block 4241 that slidably matches with the guide groove 4242 is provided on the fixed end of the telescopic rod 424. As the first connecting rod 41 continues to descend, the guide block 4241 first cooperates with the arc segment of the guide groove 4242 and then enters into the straight segment.

[0044] With this design, when the first connecting rod 41 drives the rotating rod 421 to descend, the lower surface of the arc plate 422 abuts against the constraint component 5 and drives the rotating rod 421 to rotate during the descent process until the end of the arc plate 422 close to the first connecting rod 41 abuts against one side of the constraint component 5. At this time, the torsion spring accumulates force, and the torsion spring always provides pressure on the rotating rod 421 in the direction of the constraint component 5, so that the arc plate 422 always abuts against one side of the constraint component 5. As the rotating rod 421 descends, the telescopic rod 424 extends into the chamber 321 of the second connecting rod 32, and the telescopic end of the telescopic rod 424 abuts against the limiting groove 322 of the chamber 321. At this time, the fixed end of the telescopic rod 424 continues to descend, causing the guide block 4241 to move in the arc section of the guide groove 4242, thereby driving the fixed end and the rotating rod 421 to rotate, and the second elastic unit 43 is affected To compression, during the rotation process, the limit block 423 passes through the notch into the chamber 321 and is misaligned with the notch, and then the guide block 4241 enters the straight section of the guide groove 4242. When the first connecting rod 41 rises, since the guide block 4241 is in the straight section, the limit block 423 cannot rotate relative to the second connecting rod 32. As the first connecting rod 41 rises, the limit block 423 abuts against the top wall of the chamber 321, driving the second connecting rod 32 to rise; when the composite material completes demoulding, the arc plate 422 rises to release the abutment with the constraint component 5, and the rotating rod 421 rotates to drive the limit block 423 to rotate relative to the second connecting rod 32 until it is aligned with the notch and then passes through the notch to separate from the second connecting rod 32. Then, under the action of the second elastic unit 43, the guide block 4241 moves to the top of the telescopic end of the telescopic rod 424 and enters the arc section.

[0045] Preferably, the second elastic unit 43 may be a spring in the prior art.

[0046] In one embodiment, the restraining component 5 includes a first restraining rod 51 disposed below the arc plate 422. The first restraining rod 51 is "L"-shaped and one end of which is disposed on the inner wall of the hot press table 11, and the other end is vertically disposed below the arc plate 422. When the rotating rod 421 descends, the lower surface of the arc plate 422 contacts the first restraining rod 51 and causes the rotating rod 421 to rotate along the arc surface direction of the lower surface of the arc plate 422. A second restraining rod 52 is also disposed above the first restraining rod 51. The second restraining rod 52 is arranged on the hot press platform 11 along the installation direction of the first constraint rod 51 at one end of the hot press platform 11, and a gap is left between the second constraint rod 52 and the vertical end of the first constraint rod 51 for the arc plate 422 to pass through. When the rotating rod 421 rises, the arc plate 422 is separated from the first constraint rod 51, and the upper surface of the arc plate 422 abuts against the second constraint rod 52. During the rising process of the arc plate 422, the second constraint rod 52 causes the rotating rod 421 to rotate along the upper surface direction of the arc plate 422.

[0047] With this design, when the rotating rod 421 descends, the lower surface of the arc plate 422 contacts the first restraining rod 51, and the first restraining rod 51 causes the rotating rod 421 to rotate along the arc direction of the lower surface of the arc plate 422 during the descending process, and the arc plate 422 enters the gap between the first restraining rod 51 and the second restraining rod 52 as the rotating rod 421 descends, until the end of the arc plate 422 close to the first connecting rod 41 abuts against the side of the first restraining rod 51 close to the hot pressing table 11, and the rotating rod 421 continues to descend until Until the linkage member 42 is incorporated into the chamber 321, when the rotating rod 421 rises, the arc plate 422 rises vertically until the end of the arc plate 422 close to the first connecting rod 41 is separated from the first constraint rod 51 and extends out from the gap between the first constraint rod 51 and the second constraint rod 52. At this time, the upper surface of the arc plate 422 abuts against the second constraint rod 52. During the rising process of the arc plate 422, the second constraint rod 52 causes the rotating rod 421 to rotate along the arc surface direction of the upper surface of the arc plate 422, so that the rotating rod 421 is reset.

[0048] In one embodiment, the boss of the hot pressing plate 21 is provided with grooves corresponding to the number of the upper demoulding components 22;

[0049] The upper demoulding component 22 is provided with multiple and equidistantly distributed on the hot pressing plate 21, and the upper demoulding component 22 includes a connecting column 221 that is vertically slidably inserted in the corresponding groove of the hot pressing plate 21. The end of the connecting column 221 close to the hot pressing platform 11 extends out of the hot pressing plate 21 and is provided with a demoulding plate 222, and the thickness of the demoulding plate 222 corresponds to the height of the groove on the hot pressing plate 21. A first elastic unit 223 is provided between the other end of the connecting column 221 and the hot pressing plate 21, which is used to push the demoulding plate 222 toward the hot pressing platform 11 through the connecting column 221.

[0050] With this design, when the hot pressing plate 21 is pressed down, the stripping plate 222 first contacts the composite material, and as the hot pressing plate 21 moves downward, the stripping plate 222 enters the groove, at which time the second elastic unit 43 is compressed, and when the hot pressing plate 21 moves upward, the first elastic unit 223 loses its constraint, and the first elastic unit 223 pushes the stripping plate 222 toward the hot pressing platform 11 through the connecting column 221, and the stripping plate 222 separates the processed upper surface of the composite material from the surface of the hot pressing plate 21, completing the upper surface demolding.

[0051] Preferably, the first elastic unit 223 may be a spring in the prior art.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. In addition, "multiple", "multiple groups", and "several" refer to more than two.

Claims

1. A material shaping device, characterized in that: include: A workbench (1) comprises a hot pressing platform (11), wherein a molding groove is provided on the hot pressing platform (11), a fixing plate (12) is provided above the hot pressing platform (11), and a plurality of guide rods (13) are provided between the fixing plate (12) and the hot pressing platform (11); The hot pressing component (2) comprises a hot pressing plate (21) arranged between the hot pressing platform (11) and the fixed plate (12), and the hot pressing plate (21) is vertically slidably arranged on each of the guide rods (13); a boss corresponding to the molding groove is provided on a side of the hot pressing plate (21) close to the hot pressing platform (11), which is used for hot pressing the composite material; an upper demoulding component (22) is provided on the hot pressing plate (21); when the hot pressing plate (21) rises, the upper demoulding component (22) is used to push the composite material downward, thereby demoulding the upper surface of the composite material; a power unit (23) is also provided between the hot pressing plate (21) and the fixed plate (12), which is used to drive the hot pressing plate (21) to move vertically back and forth along the installation direction of the guide rods (13); The demoulding component (3) comprises a movable platform (31) vertically slidably arranged in the molding groove, and the movable platform (31) can rise to push the material in the molding groove out of the molding groove; A connecting component (4), wherein the connecting component (4) is provided in plurality and distributed on both sides of the hot pressing plate (21), the connecting component (4) comprises a first connecting rod (41) connected to the hot pressing plate (21), and a linkage component (42) is provided at one end of the first connecting rod (41) away from the hot pressing plate (21) and inserted into the hot pressing platform (11); when the hot pressing plate (21) descends, the first connecting rod (41) drives the linkage component (42) to descend and connects the linkage component (42) to the demoulding component (3); when the hot pressing plate (21) is completed after hot pressing and rises, the linkage component (42) is connected to the demoulding component (3) and drives the movable platform (31) to rise; A restraining component (5) is arranged in the hot pressing platform (11), and the restraining component (5) is arranged on one side of the linkage component (42), and is used to release the connection between the linkage component (42) and the demoulding component (3) after the movable platform (31) rises to push the material out of the molding groove.

2. The material shaping device according to claim 1, characterized in that: The demoulding component (3) also includes a second connecting rod (32) arranged in the hot pressing platform (11), and the second connecting rod (32) is arranged below the corresponding first connecting rod (41). A cavity (321) is opened at one end of the second connecting rod (32) close to the corresponding first connecting rod (41), and a notch is provided at the entrance of the cavity (321). When the first connecting rod (41) descends, one end of the linkage member (42) passes through the notch and enters the cavity (321), and rotates in the cavity (321) to abut against the top wall of the cavity (321), so that the connecting component (4) is connected to the demoulding component (3). The other end of the second connecting rod (32) is connected to the bottom of the movable platform (31), and the movable platform (31) is driven to rise by the second connecting rod (32).

3. The material shaping device according to claim 2, characterized in that: A limiting groove (322) is provided at the bottom of the chamber (321); The linkage component (42) includes a rotating rod (421) rotatably arranged at one end of the first connecting rod (41) away from the hot pressing plate (21), and a torsion spring is provided between the rotating rod (421) and the first connecting rod (41) for driving the rotating rod (421) to rotate and reset. A spiral arc plate (422) is provided on the rotating rod (421). When the first connecting rod (41) drives the rotating rod (421) to descend, the arc plate (422) abuts against the restraining component (5) and drives the rotating rod (421) to rotate during the descent. When one end of the arc plate (422) close to the first connecting rod (41) abuts against one side of the restraining component (5), the torsion spring accumulates force, and the torsion spring always provides pressure on the rotating rod (421) in the direction of the restraining component (5); A limiting block (423) is provided at one end of the rotating rod (421) away from the first connecting rod (41), a telescopic rod (424) is provided below the limiting block (423), the telescopic rod (424) comprises a telescopic end and a fixed end, a second elastic unit (43) is provided between the fixed end and the telescopic end, and as the first connecting rod (41) descends, the telescopic end of the telescopic rod (424) extends into the chamber (321) of the second connecting rod (32) and is aligned with the limiting groove (322). The telescopic end of the telescopic rod (424) is provided with a guide groove (4242) on its inner wall, the guide groove (4242) includes an arc segment and a straight segment, the straight segment connects the upper and lower ends of the arc segment, and the fixed end of the telescopic rod (424) is provided with a guide block (4241) that slidably cooperates with the guide groove (4242). As the first connecting rod (41) continues to descend, the guide block (4241) first cooperates with the arc segment of the guide groove (4242) and then enters the straight segment.

4. The material shaping device according to claim 3, characterized in that: The restraining component (5) comprises a first restraining rod (51) arranged below the arc-shaped plate (422); the first restraining rod (51) is in an "L" shape, one end of which is arranged on the inner wall of the hot pressing platform (11), and the other end is arranged vertically below the arc-shaped plate (422); when the rotating rod (421) descends, the lower surface of the arc-shaped plate (422) contacts the first restraining rod (51) and causes the rotating rod (421) to rotate along the arc surface direction of the lower surface of the arc-shaped plate (422); a second restraining rod (52) is also arranged above the first restraining rod (51); the second restraining rod (52) rotates along the arc surface direction of the first restraining rod (51). The rod (51) is arranged at one end of the hot press platform (11) and its installation direction is arranged on the hot press platform (11), and a gap is left between the second constraint rod (52) and one vertical end of the first constraint rod (51) for the arc plate (422) to pass through. When the rotating rod (421) rises, the arc plate (422) is separated from the first constraint rod (51), and the upper surface of the arc plate (422) abuts against the second constraint rod (52). During the rising process of the arc plate (422), the second constraint rod (52) causes the rotating rod (421) to rotate along the upper surface direction of the arc plate (422).

5. The material shaping device according to claim 1, characterized in that: The boss of the hot pressing plate (21) is provided with grooves corresponding to the number of the upper demoulding components (22); The upper demoulding component (22) is provided with a plurality of equidistantly distributed on the hot pressing plate (21), and the upper demoulding component (22) includes a connecting column (221) vertically slidably inserted in the corresponding groove of the hot pressing plate (21), and the connecting column (221) protrudes from the hot pressing plate (21) at one end close to the hot pressing platform (11) and is provided with a demoulding plate (222), and the thickness of the demoulding plate (222) corresponds to the height of the groove on the hot pressing plate (21), and a first elastic unit (223) is provided between the other end of the connecting column (221) and the hot pressing plate (21), which is used to push the demoulding plate (222) toward the hot pressing platform (11) through the connecting column (221).

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