Multi-station hydraulic forming machine for automobile carbon fiber composite interior trim parts

Abstract

The invention discloses a multi-station hydraulic forming machine for automobile carbon fiber composite interior trim parts, and relates to the technical field of hydraulic forming machines for automobile interior trim parts, the multi-station hydraulic forming machine comprises a base, a portal frame, a rotating mechanism, a guide mechanism, an electric die changing mechanism, a stamping auxiliary mechanism, a die mechanism, a stamping mechanism and a vacuum pumping mechanism, the portal frame is fixedly connected to the upper surface of the base, side grooves are formed in the opposite inner side walls of the portal frame, the guide mechanism is installed in the side grooves, the rotating mechanism is installed in the middle of the upper surface of the base, and the two punching mechanisms are installed on the inner wall of the top end of the portal frame. Through cooperation of the structures, continuous production of the automotive upholstery can be achieved, and the production efficiency is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of hydraulic forming machines for automotive interior parts, and specifically relates to a multi-station hydraulic forming machine for automotive carbon fiber composite interior parts. Background Art

[0002] ‌Carbon fiber composites are a commonly used high-performance material in automotive interior parts.‌ It is mainly composed of carbon fibers and matrix materials (such as resins, ceramics, metals, etc.), and has excellent comprehensive properties such as light weight, high strength, corrosion resistance, and stable structure.‌ The application of carbon fiber composites in automotive interior parts has become the core direction of lightweight technology upgrading. Traditional single-station hot presses for automotive carbon fiber composite interior parts have problems such as low efficiency, insufficient temperature and pressure control accuracy, and long mold switching time, making it difficult to meet the large-scale production requirements of complex interior parts.‌

[0003] Therefore, a multi-station hydraulic forming machine for automotive carbon fiber composite interior parts is proposed. Summary of the Invention

[0004] The purpose of the present invention is: in order to achieve continuous production of automotive interior parts and improve production efficiency, the present application provides a multi-station hydraulic forming machine for automotive carbon fiber composite interior parts.

[0005] The technical solution adopted by the present invention is as follows: A multi-station hydraulic forming machine for automotive carbon fiber composite interior parts includes a base, a gantry, a rotating mechanism, a guiding mechanism, an electric die-changing mechanism, a stamping auxiliary mechanism, a die mechanism, a stamping mechanism, and a vacuum pumping mechanism. The gantry is fixedly connected to the upper surface of the base. Side grooves are provided on the opposite inner side walls of the gantry. The guiding mechanism is installed inside the side grooves. The rotating mechanism is installed in the middle of the upper surface of the base. The number of stamping mechanisms is two, and the two stamping mechanisms are installed on the inner top wall of the gantry; The number of guiding mechanisms is two, and the two guiding mechanisms are respectively installed on the side grooves on both sides. The guiding mechanism includes a first motor. The first motor is fixedly connected to one inner side wall of the side groove. The output end of the first motor is fixedly connected to a lead screw. The end of the lead screw away from the first motor is rotatably connected to the other inner side wall of the side groove through a bearing; The electric die-changing mechanism includes a rectangular moving block. The rectangular moving block is threadedly connected to the outer surface of the lead screw. An electric cylinder is fixedly connected to the outer surface of the rectangular moving block. A piston rod is installed on one side surface of the electric cylinder away from the rectangular moving block. The number of electric die-changing mechanisms is four in total, and they are symmetrically arranged in pairs on the guiding mechanisms on both sides; The rotating mechanism includes a first motor, which is fixedly connected to the upper surface of the base. The output end of the first motor is fixedly connected to a rotating rod, and the upper surface of the rotating rod is fixedly connected to a turntable. Installation grooves are formed in the upper surfaces at both ends of the turntable. The number of the die mechanisms is four, and the four die mechanisms are respectively connected to the electric die changing mechanism.

[0006] Further, the outer surface of the rectangular moving block is slidably connected to the inner surface of the side groove.

[0007] Further, the die mechanism includes a die body. The outer surface of the die body is detachably connected to the piston rod, and the lower surface of the die body is clamped in the installation groove.

[0008] Further, a mold cavity is formed in the upper surface of the die body, and a cooling cavity is arranged around the position of the die body close to the mold cavity. The cooling cavity is filled with a coolant.

[0009] Further, a side groove is formed in the outer side surface of the die body. A semiconductor refrigerating sheet is fixedly connected to the middle of the inner side wall of the side groove. A heat conduction block is installed on the cold end surface of the semiconductor refrigerating sheet. One end of the heat conduction block far away from the semiconductor refrigerating sheet extends into the cooling cavity and is in contact with the coolant. The hot end surface of the semiconductor refrigerating sheet is connected to the water-cooling head.

[0010] Further, the stamping auxiliary mechanism includes six heating plates, and the six heating plates are installed on the inner side wall of the mold cavity.

[0011] Further, a composite sensor is installed on the inner bottom surface of the mold cavity.

[0012] Further, the stamping mechanism includes a hydraulic cylinder, which is fixedly connected to the inner top wall of the gantry. A lifting column is installed on the lower surface of the hydraulic cylinder. A stamping head is detachably installed at one end of the lifting column far away from the hydraulic cylinder. The outer surface of the left stamping head is slidably connected to the inner surface of the composite sensor, and the outer surface of the right stamping head is slidably connected to the inner surface of the mold cavity.

[0013] Further, the vacuum pumping mechanism includes a vacuum pump, which is fixedly connected to the inner side wall of the gantry. The air extraction port of the vacuum pump is communicated with a vacuum tube. One end of the vacuum tube far away from the vacuum pump is detachably connected to the composite sensor. A combined packing layer is arranged at the opening of one end of the vacuum tube close to the composite sensor, and a one-way valve is arranged on the outer surface of the vacuum tube close to the combined packing layer.

[0014] Furthermore, a controller is installed on the front side of the base. The output end of the controller is electrically connected to the first motor, the first motor, the electric cylinder, the heating plate, the composite sensor, the semiconductor refrigeration sheet, the hydraulic cylinder, and the vacuum pump, and the input end of the controller is electrically connected to an external power supply.

[0015] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present invention are as follows: 1. In the present invention, after placing the raw materials of the automotive carbon fiber composite interior parts on the mold mechanism, the left punching mechanism can be used for pre-pressing, and the punching auxiliary mechanism can heat the raw materials. Then, the mold mechanism can be disassembled from the piston rod on the left end. Then, start the first motor to drive the turntable to rotate by the rotating rod, so that the punching mechanism on the right end can perform pressure holding on the blank. After forming, the semiconductor refrigeration sheet can be started to cool the coolant inside the cooling cavity through the cold conduction block at its cold end, so as to continuously cool the blank inside the mold cavity; at the same time, starting the first motor can rotate the lead screw, so that the two rectangular moving blocks on the left move on the outer surface of the lead screw until the electric die-changing mechanism with a new mold mechanism approaches the installation groove. Then, the electric cylinder can be started to drive the piston rod to clamp the new mold mechanism into the installation groove, which is convenient for subsequent processing and production; through the cooperation of the above structures, continuous production of automotive interior parts can be realized, and production efficiency can be improved.

[0016] 2. In the present invention, during production, the one-way valve can be opened, and the vacuum pump can be started to pump the inside of the mold cavity through the vacuum tube, pumping the inside of the mold cavity to -0.09 MPa to eliminate bubbles and interlayer pores; at the same time, a combined packing layer is arranged at the connection between the vacuum tube and the mold cavity to prevent materials from entering the vacuum pipeline; through the cooperation of the above structures, the production effect of automotive interior parts can be improved.

[0017] 3. In the present invention, the controller can control the first motor, the first motor, the electric cylinder, the heating plate, the composite sensor, the semiconductor refrigeration sheet, the hydraulic cylinder, and the vacuum pump. When the composite sensor monitors abnormal pressure, temperature, and vacuum degree inside the mold cavity, the compensation algorithm is automatically triggered. At this time, the heating plate, the semiconductor refrigeration sheet, and the vacuum pump will be controlled to start to adjust the corresponding abnormal pressure, temperature, and vacuum degree. Through the cooperation of the above structures, the production effect of automotive interior parts can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the structural schematic diagram of the rotating mechanism in the present invention; Figure 3 In the present invention Figure 1Enlarged view of part A; Figure 4 This is a sectional view of the die mechanism in the present invention.

[0019] Markings in the figure: 1 - base, 2 - gantry, 3 - rotating mechanism, 4 - guiding mechanism, 5 - electric die-changing mechanism, 6 - stamping auxiliary mechanism, 7 - die mechanism, 8 - stamping mechanism, 9 - vacuum pumping mechanism, 11 - controller, 21 - side groove, 31 - motor 1, 32 - rotating rod, 33 - turntable, 34 - mounting groove, 41 - motor 1, 42 - lead screw, 51 - rectangular moving block, 52 - electric cylinder, 53 - piston rod, 61 - heating plate, 62 - composite sensor, 71 - die body, 72 - mold cavity, 73 - cooling cavity, 74 - coolant, 75 - side groove, 76 - water-cooling head, 77 - semiconductor refrigeration sheet, 78 - heat-conducting block, 81 - hydraulic cylinder, 82 - lifting column, 83 - stamping head, 91 - vacuum pump, 92 - vacuum tube, 93 - combined packing layer. Specific embodiments

[0020] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention. Embodiment

[0021] Refer to Figures 1-4 , a multi-station hydraulic forming machine for automotive carbon fiber composite interior parts, including a base 1, a gantry 2, a rotating mechanism 3, a guiding mechanism 4, an electric die-changing mechanism 5, a stamping auxiliary mechanism 6, a die mechanism 7, a stamping mechanism 8 and a vacuum pumping mechanism 9. The gantry 2 is fixedly connected to the upper surface of the base 1. Side grooves 21 are provided on the opposite inner side walls of the gantry 2. The guiding mechanism 4 is installed inside the side grooves 21. The rotating mechanism 3 is installed in the middle of the upper surface of the base 1. The number of stamping mechanisms 8 is two, and the two stamping mechanisms 8 are installed on the inner top wall of the gantry 2. The number of die mechanisms 7 is four, and the four die mechanisms 7 are respectively connected to the electric die-changing mechanism 5. Specifically, after placing the raw materials of the automotive carbon fiber composite interior parts on the die mechanism 7, the left stamping mechanism 8 can be used for pre-pressing, the stamping auxiliary mechanism 6 can be used to heat the raw materials, and then the die mechanism 7 can be disassembled from the left piston rod 53.

[0022] Refer to Figures 1-4, the rotating mechanism 3 includes a first motor 31 which is fixedly connected to the upper surface of the base 1. The output end of the first motor 31 is fixedly connected with a rotating rod 32. The upper surface of the rotating rod 32 is fixedly connected with a turntable 33. Installation grooves 34 are formed in the upper surfaces at both ends of the turntable 33; the mold mechanism 7 includes a mold body 71. The outer surface of the mold body 71 is detachably connected to the piston rod 53, and the lower surface of the mold body 71 is snap-fitted with the installation groove 34; a molding groove 72 is formed in the upper surface of the mold body 71. A cooling cavity 73 is provided around the position of the mold body 71 near the molding groove 72. A coolant 74 is filled in the cooling cavity 73; a side groove 75 is formed in the outer side surface of the mold body 71. A semiconductor refrigeration sheet 77 is fixedly connected to the middle of the inner side wall of the side groove 75. A heat conduction block 78 is installed on the cold end surface of the semiconductor refrigeration sheet 77. One end of the heat conduction block 78 away from the semiconductor refrigeration sheet 77 extends into the cooling cavity 73 and contacts the coolant 74. The hot end surface of the semiconductor refrigeration sheet 77 is connected to the water-cooling head 76; specifically, start the first motor 31 to make the rotating rod 32 drive the turntable 33 to rotate, so that the stamping mechanism 8 on the right end can carry out pressure holding on the blank. After forming, the semiconductor refrigeration sheet 77 can be started to make its cold end cool down the coolant 74 inside the cooling cavity 73 through the heat conduction block 78, so as to continuously cool the blank inside the molding groove 72.

[0023] Refer to Figures 1-4 , there are two guiding mechanisms 4, and the two guiding mechanisms 4 are respectively installed on the side grooves 21 on both sides. The guiding mechanism 4 includes a first motor 41 which is fixedly connected to one inner side wall of the side groove 21. The output end of the first motor 41 is fixedly connected with a lead screw 42. The end of the lead screw 42 away from the first motor 41 is rotatably connected to the other inner side wall of the side groove 21 through a bearing; the electric mold changing mechanism 5 includes a rectangular moving block 51 which is threadedly connected to the outer surface of the lead screw 42. An electric cylinder 52 is fixedly connected to the outer surface of the rectangular moving block 51. A piston rod 53 is installed on one side surface of the electric cylinder 52 away from the rectangular moving block 51. There are four electric mold changing mechanisms 5 in total, and they are symmetrically arranged in pairs on the guiding mechanisms 4 on both sides; the outer surface of the rectangular moving block 51 is slidably connected to the inner surface of the side groove 21; specifically, start the first motor 41 to make the lead screw 42 rotate, so that the two rectangular moving blocks 51 on the left side move on the outer surface of the lead screw 42 until the electric mold changing mechanism 5 with the new mold mechanism 7 installed approaches the installation groove 34, and then the electric cylinder 52 can be started to make the piston rod 53 drive the new mold mechanism 7 to be snapped into the installation groove 34, which is convenient for subsequent processing and production; through the cooperation of the above structures, continuous production of automotive interior parts can be realized, and the production efficiency can be improved.

[0024] Refer to Figures 1-4, the stamping auxiliary mechanism 6 includes six heating plates 61. The six heating plates 61 are installed on the inner sidewall of the mold cavity 72, and a composite sensor 62 is installed on the inner bottom surface of the mold cavity 72; the stamping mechanism 8 includes a hydraulic cylinder 81. The hydraulic cylinder 81 is fixedly connected to the inner top wall of the gantry 2. A lifting column 82 is installed on the lower surface of the hydraulic cylinder 81. A stamping head 83 is detachably installed at the end of the lifting column 82 away from the hydraulic cylinder 81. The outer surface of the left stamping head 83 is slidably connected to the inner surface of the composite sensor 62, and the outer surface of the right stamping head 83 is slidably connected to the inner surface of the mold cavity 72; specifically, after placing the raw material of the automotive carbon fiber composite interior part on the mold mechanism 7, the left hydraulic cylinder 81 can be started to drive the stamping head 83 by the lifting column 82 into the mold cavity 72 for pre-pressing, and the heating plate 61 is started to heat the raw material.

[0025] Refer to Figures 1-4 , the vacuum pumping mechanism 9 includes a vacuum pump 91. The vacuum pump 91 is fixedly connected to the inner sidewall of the gantry 2. The air extraction port of the vacuum pump 91 is communicated with a vacuum tube 92. One end of the vacuum tube 92 away from the vacuum pump 91 is detachably connected to the composite sensor 62. A combined packing layer 93 is arranged at the opening of the end of the vacuum tube 92 close to the composite sensor 62, and a check valve is arranged on the outer surface of the vacuum tube 92 close to the combined packing layer 93; specifically, during production, the check valve is opened, and the vacuum pump 91 can be started to make the vacuum tube 92 pump the inside of the mold cavity 72, and the inside of the mold cavity 72 is pumped to -0.09 MPa to eliminate bubbles and interlayer pores; at the same time, the combined packing layer 93 is used to prevent materials from entering the vacuum pipeline at the connection between the vacuum tube 92 and the mold cavity 72; through the cooperation of the above structures, the production effect of automotive interior parts can be improved.

[0026] Refer to Figures 1-4 , a controller 11 is installed on the front side of the base 1. The output end of the controller 11 is electrically connected to the first motor 31, the first motor 41, the electric cylinder 52, the heating plate 61, the composite sensor 62, the semiconductor refrigeration sheet 77, the hydraulic cylinder 81 and the vacuum pump 91, and the input end of the controller 11 is electrically connected to an external power supply; specifically, the controller 11 uses a single-chip microcomputer as the main control chip, and its model is STC89C51. Through the controller 11, the first motor 31, the first motor 41, the electric cylinder 52, the heating plate 61, the composite sensor 62, the semiconductor refrigeration sheet 77, the hydraulic cylinder 81 and the vacuum pump 91 can be controlled. When the composite sensor 62 monitors abnormal pressure, temperature and vacuum degree inside the mold cavity 72, the compensation algorithm is automatically triggered. At this time, the heating plate 61, the semiconductor refrigeration sheet 77 and the vacuum pump 91 are controlled to start to adjust the corresponding abnormal pressure, temperature and vacuum degree. Through the cooperation of the above structures, the production effect of automotive interior parts can be improved.

[0027] The implementation principle of an embodiment of a multi-station hydraulic forming machine for automotive carbon fiber composite interior parts in this application is as follows: When using this equipment, first connect to an external power supply. After placing the raw materials of automotive carbon fiber composite interior parts on the mold mechanism 7, the hydraulic cylinder 81 at the left end can be started to drive the lifting column 82 to drive the stamping head 83 into the mold cavity 72 for pre-pressing, and the heating plate 61 is started to heat the raw materials. Then, the mold mechanism 7 can be disassembled from the piston rod 53 at the left end. Then, the first motor 31 is started to drive the rotating rod 32 to drive the turntable 33 to rotate. After rotating to the right stamping mechanism 8, the hydraulic cylinder 81 at the right end is started to drive the lifting column 82 to drive the stamping head 83 into the mold cavity 72 for pre-pressing the blank and maintaining pressure. After forming, the semiconductor refrigeration sheet 77 can be started so that its cold end cools the coolant 74 in the cooling cavity 73 through the heat conduction block 78 to continuously cool the blank in the mold cavity 72, and the water-cooled head 76 can dissipate heat from the hot end surface of the semiconductor refrigeration sheet 77; at the same time, the first motor 41 is started to rotate the lead screw 42 so that the two rectangular moving blocks 51 on the left move on the outer surface of the lead screw 42 until the electric die-changing mechanism 5 with a new mold mechanism 7 is close to the installation groove 34. Then, the electric cylinder 52 can be started to drive the piston rod 53 to drive the new mold mechanism 7 to be clamped into the installation groove 34, which is convenient for subsequent processing and production; through the cooperation of the above structures, continuous production of automotive interior parts can be realized, and production efficiency can be improved.

[0028] During production, the one-way valve is opened, and the vacuum pump 91 can be started to pump the inside of the mold cavity 72 through the vacuum tube 92, and the inside of the mold cavity 72 is pumped to -0.09 MPa to eliminate bubbles and interlayer pores; at the same time, a combined packing layer 93 is used at the connection between the vacuum tube 92 and the mold cavity 72 to prevent materials from entering the vacuum pipeline; through the cooperation of the above structures, the production effect of automotive interior parts can be improved.

[0029] On the other hand, the controller 11 can control the first motor 31, the first motor 41, the electric cylinder 52, the heating plate 61, the composite sensor 62, the semiconductor refrigeration sheet 77, the hydraulic cylinder 81, and the vacuum pump 91. When the composite sensor 62 monitors abnormal pressure, temperature, and vacuum degree inside the mold cavity 72, the compensation algorithm is automatically triggered. At this time, the heating plate 61, the semiconductor refrigeration sheet 77, and the vacuum pump 91 will be controlled to start to adjust the corresponding abnormal pressure, temperature, and vacuum degree. Through the cooperation of the above structures, the production effect of automotive interior parts can be improved.

[0030] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-station hydraulic forming machine for automotive carbon fiber composite interior parts, comprising a base (1), a gantry (2), a rotating mechanism (3), a guiding mechanism (4), an electric die-changing mechanism (5), a stamping auxiliary mechanism (6), a die mechanism (7), a stamping mechanism (8) and a vacuum pumping mechanism (9), characterized in that: The gantry (2) is fixedly connected to the upper surface of the base (1). Opposite inner sidewalls of the gantry (2) are provided with side grooves (21). The guiding mechanism (4) is installed inside the side grooves (21). The rotating mechanism (3) is installed in the middle of the upper surface of the base (1). The number of stamping mechanisms (8) is two, and the two stamping mechanisms (8) are installed on the inner top wall of the gantry (2). The number of guiding mechanisms (4) is two, and the two guiding mechanisms (4) are respectively installed on the side grooves (21) on both sides. The guiding mechanism (4) includes a first motor (41). The first motor (41) is fixedly connected to one inner sidewall of the side groove (21). The output end of the first motor (41) is fixedly connected to a lead screw (42). One end of the lead screw (42) away from the first motor (41) is rotatably connected to the other inner sidewall of the side groove (21) through a bearing. The electric die-changing mechanism (5) includes a rectangular moving block (51). The rectangular moving block (51) is threadedly connected to the outer surface of the lead screw (42). An electric cylinder (52) is fixedly connected to the outer surface of the rectangular moving block (51). A piston rod (53) is installed on one side surface of the electric cylinder (52) away from the rectangular moving block (51). The number of electric die-changing mechanisms (5) is four in total, and they are symmetrically arranged in pairs on the guiding mechanisms (4) on both sides. The rotating mechanism (3) includes a first motor (31). The first motor (31) is fixedly connected to the upper surface of the base (1). The output end of the first motor (31) is fixedly connected to a rotating rod (32). A turntable (33) is fixedly connected to the upper surface of the rotating rod (32). Mounting grooves (34) are opened on the upper surfaces at both ends of the turntable (33). The number of die mechanisms (7) is four, and the four die mechanisms (7) are respectively connected to the electric die-changing mechanisms (5).

2. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 1, wherein: The outer surface of the rectangular moving block (51) is slidably connected to the inner surface of the side groove (21).

3. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 1, wherein: The die mechanism (7) includes a die body (71). The outer surface of the die body (71) is detachably connected to the piston rod (53), and the lower surface of the die body (71) is engaged with the mounting groove (34).

4. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 3, characterized in that: A mold cavity (72) is opened on the upper surface of the die body (71). A cooling cavity (73) is surrounded around the die body (71) near the mold cavity (72). A coolant (74) is filled inside the cooling cavity (73).

5. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 4, characterized in that: A side groove (75) is opened on the outer side surface of the die body (71). A semiconductor refrigeration sheet (77) is fixedly connected to the middle of the inner sidewall of the side groove (75). A heat conduction block (78) is installed on the cold end surface of the semiconductor refrigeration sheet (77). One end of the heat conduction block (78) away from the semiconductor refrigeration sheet (77) extends into the cooling cavity (73) and contacts the coolant (74). The hot end surface of the semiconductor refrigeration sheet (77) is connected to the water-cooling head (76).

6. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 4, wherein: The stamping auxiliary mechanism (6) includes six heating plates (61), and the six heating plates (61) are installed on the inner side wall of the mold cavity (72).

7. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 4, characterized in that: A composite sensor (62) is installed on the inner bottom surface of the mold cavity (72).

8. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 1, characterized in that: The stamping mechanism (8) includes a hydraulic cylinder (81). The hydraulic cylinder (81) is fixedly connected to the inner top wall of the gantry (2). A lifting column (82) is installed on the lower surface of the hydraulic cylinder (81). A stamping head (83) is detachably installed at the end of the lifting column (82) away from the hydraulic cylinder (81). The outer surface of the left stamping head (83) is slidably connected to the inner surface of the composite sensor (62), and the outer surface of the right stamping head (83) is slidably connected to the inner surface of the mold cavity (72).

9. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 1, wherein: The vacuum pumping mechanism (9) includes a vacuum pump (91). The vacuum pump (91) is fixedly connected to the inner side wall of the gantry (2). The air extraction port of the vacuum pump (91) is communicated with a vacuum tube (92). One end of the vacuum tube (92) away from the vacuum pump (91) is detachably connected to the composite sensor (62). A combined packing layer (93) is arranged at the opening of one end of the vacuum tube (92) close to the composite sensor (62), and a one-way valve is arranged on the outer surface of the vacuum tube (92) close to the combined packing layer (93).

10. The multi-station hydraulic forming machine for automotive carbon fiber composite interior parts according to claim 9, characterized in that: A controller (11) is installed on the front side of the base (1). The output end of the controller (11) is electrically connected to the first motor (31), the first motor (41), the electric cylinder (52), the heating plate (61), the composite sensor (62), the semiconductor refrigeration sheet (77), the hydraulic cylinder (81) and the vacuum pump (91), and the input end of the controller (11) is electrically connected to an external power supply.

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