Washing machine tripod shaping equipment

Through the coordinated action of the lower frame assembly and the upper bracket assembly, the Z-axis correction assembly and the rotation correction assembly, the installation error caused by the clamping posture problem of the tripod shaping equipment is solved, the precise adaptation and efficient shaping of the tripod are achieved, and the stability and service life of the washing machine are improved.

CN120715069APending Publication Date: 2025-09-30常州市马劲机电设备有限公司
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Patent Information

Application Number
CN202511009295.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-21
Publication Date
2025-09-30

AI Technical Summary

Technical Problem

During the clamping process, the existing washing machine tripod shaping equipment causes the tripod to tilt due to the operator's manual placement accuracy and chuck positioning deviation. The size and angle parameters after shaping cannot match the washing machine installation structure, resulting in installation errors, high scrap rate and affecting the stability and life of the washing machine.

Method used

The lower frame assembly and the upper bracket assembly are combined with the Z-axis correction assembly and the rotation correction assembly. The tripod is fixed by the servo motor-driven rotating shaft, chuck and ball bearing, and is equipped with a laser ranging sensor and alarm to achieve multi-dimensional precise shaping and real-time detection and verification.

Benefits of technology

The installation adaptability of the tripod is improved, the scrap rate is reduced, the stable operation of the washing machine is ensured and the service life is extended. Through multi-dimensional shaping and real-time detection, abnormal vibration and noise caused by installation errors are reduced.

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Abstract

The invention relates to the technical field of washing machine tripod shaping, in particular to washing machine tripod shaping equipment which comprises a lower rack assembly and an upper support assembly, and a mounting assembly for fixing a washing machine tripod, a Z-axis correcting assembly for correcting the tripod and a rotary correcting assembly are mounted on the lower rack assembly. The mounting assembly comprises a rotating shaft driven by a third servo motor, a mounting seat is fixed to the top end of the rotating shaft, a chuck is arranged on the mounting seat, a product support covers the chuck, and a ball bearing is mounted at the top end of the product support through a bearing fixing seat. The tripod of the washing machine is fixed through the product support above the chuck and the bearing fixing seat and the ball bearing which are arranged above the product support, and the tripod is fixed by simulating the installation mode of the tripod in the washing machine, so that the shaped tripod can be accurately matched with the installation structure of the washing machine; the installation error caused by the clamping posture problem of existing equipment is solved.
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Description

Technical Field

[0001] The present invention relates to the technical field of washing machine tripod shaping, in particular to washing machine tripod shaping equipment. Background Art

[0002] As an essential appliance for modern households, washing machines rely on the coordinated operation of numerous precision components. The tripod, a key support component for the washing machine drum, faces significant challenges in its overall performance and lifespan. The shaping process is crucial in ensuring precise installation, requiring rigorous precision control to ensure the tripod's compatibility with other washing machine components.

[0003] Existing equipment for tripod reshaping, such as the "Tripod Reshaping Device" in Chinese Patent Publication No. CN222767014 U, generally uses a three-jaw chuck to directly secure the tripod. However, this traditional fixing method has significant drawbacks: during the clamping process, factors such as the operator's manual placement accuracy and the chuck's own positioning deviations make it difficult to ensure the tripod is always vertical after clamping. If the tripod is installed tilted, the force applied during the reshaping process deviates from the ideal state, resulting in installation errors and parameters such as dimensions and angles that fail to meet the installation requirements of the washing machine. This not only prevents the tripod from being properly installed on the washing machine, resulting in component scrapping and increased production costs, but also can affect the rotational stability of the washing machine drum due to forced installation of the tripod with errors, causing abnormal vibration and noise during operation, and even accelerating wear of other related components, shortening the overall service life of the washing machine. Therefore, we propose a washing machine tripod reshaping device to address these issues. Summary of the Invention

[0004] The present invention aims to provide a washing machine tripod shaping device to address the defects in the prior art that once the tripod is installed tilted, the shaped tripod will have installation errors and its parameters such as size and angle cannot meet the installation structure requirements of the washing machine.

[0005] The present invention is achieved through the following technical solutions:

[0006] A washing machine tripod shaping device includes a lower frame assembly and an upper bracket assembly. The lower frame assembly is equipped with a mounting assembly for fixing the washing machine tripod, as well as a Z-axis correction assembly and a rotation correction assembly for correcting the tripod. The mounting assembly includes a rotating shaft driven by a third servo motor, and a mounting seat is fixed to the top of the rotating shaft. A chuck is provided on the mounting seat, and a product support is provided on the outer cover of the chuck. A ball bearing is installed on the top of the product support through a bearing fixing seat, and the central axis of the ball bearing is concentric with the central axis of the chuck.

[0007] In a preferred embodiment of the present invention, the lower frame assembly includes a bracket for support and a support table fixed on the top of the bracket, a support frame is provided below the support table, and the rotating shaft is rotatably installed between the support table and the support frame to provide stable support for the rotating shaft.

[0008] In a preferred embodiment of the present invention, the third servo motor is mounted on the support frame, and synchronous wheels are fixed to the output end of the third servo motor and the lower end of the rotating shaft, and the two synchronous wheels are connected by a synchronous belt.

[0009] In a preferred embodiment of the present invention, a laser ranging sensor is provided on one side of the chuck, and the laser ranging sensor is fixed to the support table through a bracket. The laser ranging sensor is used to detect the position, size and other parameters of the washing machine tripod to assist in judging the shaping effect; when it is detected that the size after shaping does not meet the requirements, it can cooperate with the alarm to issue a warning, and also provide data basis for subsequent automatic adjustments.

[0010] In a preferred embodiment of the present invention, the chuck includes a main body and three telescopic columns inclined outwardly arranged at the top of the main body. The three telescopic columns are evenly distributed around the center of the chuck, and the telescopic columns are slidingly connected to the chuck. In addition, a linear motor is provided at the bottom end of each telescopic column. The telescopic column is driven by the linear motor, and the linear motor drives the three telescopic columns to move upward or downward at the same time.

[0011] In a preferred embodiment of the present invention, a clamping block is installed on the top of each telescopic column, and the washing machine tripod is clamped and fixed by the cooperation of the three clamping blocks.

[0012] In a preferred embodiment of the present invention, the upper bracket assembly includes a circumferentially arranged protective door and a display screen and an alarm arranged above the door. The display screen and the alarm are connected to the equipment control system. The display screen is used to display equipment operating parameters, working status and other information to facilitate operator monitoring; the alarm is used to issue an alarm when the equipment has abnormalities such as failures, overtravel, etc., to remind timely processing.

[0013] In a preferred embodiment of the present invention, the Z-axis correction assembly includes a module support column vertically fixed to the support table and a first servo motor fixed to the top of the module support column. A connecting plate is installed on the module support column for sliding along the Z axis, and a ball screw is installed on the output shaft of the first servo motor at the end of the module support column. The other end of the ball screw is rotatably connected to the module support column, and the ball screw is threadedly connected to the connecting plate. A first mounting plate is provided on the outer surface of the connecting plate, and two pressure heads are provided on the first mounting plate. A shaping channel is formed between the two pressure heads, and a displacement sensor with a detection end facing the pressure head is also provided on the first mounting plate, and the upper and lower shaping distances are controlled by the displacement sensor.

[0014] In a preferred embodiment of the present invention, the rotation correction assembly includes a mounting frame fixed to the supporting table, a slot is opened in the middle of the mounting frame, a second mounting plate is fixed in the slot, the second mounting plate is fixed to the mounting frame by bolts, and its mounting height is adjustable. A second servo motor is arranged on the second mounting plate, and the output shaft of the second servo motor passes through the second mounting plate and is connected to a rotating disk, and two shaping blocks that can be adjusted in the up and down directions are installed on the rotating disk.

[0015] In a preferred embodiment of the present invention, a slide groove is provided on the rotating disk, and the two shaping blocks are slidably matched with the slide groove, and a shaping channel is formed between the two shaping blocks. The distance between the two shaping blocks can be adjusted to adapt to the thickness of the edge of the washing machine tripod, and the edge of the washing machine tripod is clamped between the two shaping blocks, and the rotating disk is driven by the second servo motor to rotate and shape it.

[0016] The beneficial effects of the present invention are:

[0017] 1. The present invention secures the washing machine tripod through the product support above the chuck and the bearing fixing seat and ball bearing disposed thereon. This fixation simulates the installation method of the tripod in the washing machine, allowing the shaped tripod to precisely fit the washing machine installation structure. This solves the installation errors caused by the clamping posture problems of existing equipment, significantly improves the product installation adaptability, and reduces the scrap rate caused by installation problems.

[0018] 2. The components of this equipment have clear division of labor and work together efficiently. The Z-axis correction component and the rotation correction component respectively perform tripod shaping operations from the axial and circumferential directions, covering multi-dimensional shaping needs. Compared with traditional single-direction shaping equipment, it can correct the tripod shape more comprehensively and quickly, shortening the single shaping operation time;

[0019] 3. This equipment uses a laser ranging sensor to detect the initial position before the shaping begins, track the size and shape changes in real time during the shaping process, and then conduct the final accuracy verification after the shaping is completed. The sensor continuously collects data and feeds it back to the control system. Once deviations such as out-of-tolerance shaping dimensions and abnormal shape are detected, the alarm will respond quickly and issue a warning, allowing operators to intervene and adjust in time to avoid the outflow of defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of a washing machine tripod shaping device of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the surface of the support plate in a washing machine tripod shaping device of the present invention;

[0022] Figure 3 This is a schematic structural diagram of a Z-axis correction assembly in a washing machine tripod shaping device according to the present invention;

[0023] Figure 4 It is a structural schematic diagram of a rotation correction component in a washing machine tripod shaping device of the present invention;

[0024] Figure 5 It is a structural schematic diagram of the installation components of a washing machine tripod shaping device of the present invention;

[0025] Figure 6 This is a schematic structural diagram of the lower end of the rotating shaft in a washing machine tripod shaping device according to the present invention;

[0026] Figure 7 This is a schematic structural diagram of the installation of a chuck and a product support in a washing machine tripod shaping device of the present invention;

[0027] Figure 8 This is a schematic diagram of the main structure of a chuck in a washing machine tripod shaping device of the present invention;

[0028] Figure 9 It is a schematic cross-sectional structural diagram of a chuck in a washing machine tripod shaping device of the present invention;

[0029] Figure 10 This is a schematic diagram of the main structure of a product that needs to be reshaped in a washing machine tripod reshaping device of the present invention.

[0030] Figure: 1. Lower rack assembly; 11. Support plate; 12. Support frame; 2. Upper bracket assembly; 21. Display screen; 22. Alarm; 3. Z-axis correction assembly; 31. Module support column; 32. First servo motor; 33. Slide rail; 34. Slider; 35. Connecting plate; 36. Ball screw; 37. First mounting plate; 38. Pressure head; 39. Displacement sensor; 4. Rotation correction assembly; 41. Mounting frame; 42. Second mounting plate ;43. Second servo motor;44. Rotating disk;45. Shaping block;46. Slide;5. Mounting assembly;51. Rotating shaft;511. Synchronous wheel;52. Third servo motor;53. Mounting seat;54. Chuck;541. Telescopic column;542. Block;543. Linear motor;55. Product support;551. Bearing fixing seat;552. Ball bearing;6. Tripod product;61. Mounting shaft;7. Laser ranging sensor. DETAILED DESCRIPTION

[0031] The following detailed description of preferred embodiments of the present invention is provided in conjunction with the accompanying drawings to facilitate understanding of the advantages and features of the present invention by those skilled in the art, thereby providing a clearer and more precise definition of the scope of protection of the present invention. Directional terms used in the present invention, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are intended solely to refer to the directions of the accompanying drawings. Therefore, the directional terms used are intended to illustrate and facilitate understanding of the present invention and are not intended to limit the present invention.

[0032] like Figure 1-9 The washing machine tripod shaping device shown includes a lower frame assembly 1, which includes a support bracket and a support plate 11 fixed to the top of the bracket. A support frame 12 is provided below the support plate 11. An upper frame assembly 2 is installed on the top of the lower frame assembly 1. The upper frame assembly 2 includes a circumferentially arranged protective door and a display screen 21 and an alarm 22 provided above it. The display screen 21 and the alarm 22 are connected to the equipment control system. The display screen 21 is used to display equipment operating parameters, working status and other information to facilitate operator monitoring; the alarm 22 is used to issue an alarm when the equipment has an abnormality such as a fault or overtravel, so as to prompt timely processing. An emergency stop button is also provided on the top for emergency stop;

[0033] The support plate 11 in the lower frame assembly 1 is equipped with a mounting assembly 5 for fixing the washing machine tripod, as well as a Z-axis correction assembly 3 and a rotation correction assembly 4 for correcting the tripod. The Z-axis correction assembly 3 can apply precise Z-axis correction force to the tripod along the Z-axis direction of the equipment to adjust its shape in the Z-axis dimension; the rotation correction assembly 4 can perform servo-controlled rotational motion around a specific rotation center, in conjunction with the corresponding shaping mold, to correct the tripod in the circumferential and rotational dimensions. Through the coordination of the correction actions of the Z-axis correction assembly 3 and the rotation correction assembly 4 in different spatial dimensions, all-round and high-precision shaping of the washing machine tripod can be achieved;

[0034] The mounting assembly 5 simulates the mounting structure of a tripod in a washing machine, and can stably and reliably achieve the clamping and fixing of the tripod, thereby ensuring the position accuracy of the tripod during the shaping process. The mounting assembly 5 includes a rotating shaft 51 driven by a third servo motor 52. The rotating shaft 51 is rotatably mounted between the support plate 11 and the support frame 12. The supporting plate 11 and the support frame 12 provide stable support for the rotating shaft 51. The third servo motor 52 is mounted on the support frame 12, and a synchronous pulley 511 is fixed to the output end of the third servo motor 52 and the lower end of the rotating shaft 51. The two synchronous pulleys 511 are connected by a synchronous belt.

[0035] Secondly, a mounting seat 53 is fixed to the top of the rotating shaft 51, and the mounting seat 53 is located above the supporting plate 11. A chuck 54 is fixed to the mounting seat 53, and a product support 55 is provided on the outer cover of the chuck 54. The product support 55 is fixed to the mounting seat 53 by bolts, and a ball bearing 552 is installed on the top of the product support 55 through a bearing fixing seat 551. The central axis of the ball bearing 552 is concentric with the central axis of the chuck 54. By simulating the installation method of the tripod in the washing machine, the mounting shaft 61 at the bottom of the tripod product 6 (the specific structure is as follows) is fixed to the mounting seat 53. Figure 10 As shown in the figure, the tripod 552 is inserted into the ball bearing 552 and fixed by the chuck 54 below, so that the tripod product 6 after shaping can accurately adapt to the installation structure of the washing machine, solving the installation error caused by the clamping posture problem of the existing equipment, greatly improving the product installation adaptability, and reducing the scrap rate caused by installation problems.

[0036] Specifically, the chuck 54 includes a main body and three telescopic columns 541 arranged at the top thereof and inclined outward. The three telescopic columns 541 are evenly distributed around the center of the chuck 54, and the telescopic columns 541 are slidably connected to the chuck 54. A clamping block 542 is installed at the top of each telescopic column 541, and a linear motor 543 is provided at the bottom of each telescopic column 541. The telescopic columns 541 are driven by the linear motor 543, and the linear motor 543 drives the three telescopic columns 541 to move upward or downward at the same time (due to the inclined arrangement of the telescopic columns 541, the clamping blocks 542 expand outward when the telescopic columns 541 extend upward, and the clamping blocks 542 contract inward when the telescopic columns 541 move downward), and the washing machine tripod is clamped and fixed by the cooperation of the three clamping blocks 542;

[0037] The Z-axis correction assembly 3 includes a module support column 31 vertically fixed to the support plate 11 and a first servo motor 32 fixed to the top of the module support column 31. Two slide rails 33 are fixed to the module support column 31 along the Z-axis. The two slide rails 33 are located on both sides of the module support column 31, and each slide rail 33 is provided with a slider 34 adapted thereto. A connecting plate 35 is installed between the sliders 34 on both sides.

[0038] A ball screw 36 is mounted on the output shaft of the first servo motor 32 at the end of the module support column 31. The other end of the ball screw 36 is rotatably connected to the module support column 31, and the ball screw 36 is threadedly connected to the connecting plate 35 (a nut pair adapted to the ball screw 36 is provided, and the nut pair is fixed to the connecting plate 35). A first mounting plate 37 is provided on the outer surface of the connecting plate 35. Two pressure heads 38 are provided on the first mounting plate 37. A shaping channel is formed between the two pressure heads 38. A displacement sensor 39 with a detection end facing the pressure head 38 is also provided on the first mounting plate 37. The displacement sensor 39 is used to control the upper and lower shaping distances.

[0039] Secondly, the rotation correction component 4 includes a mounting frame 41 fixed to the supporting table 11, and a slot is provided in the middle of the mounting frame 41, in which a second mounting plate 42 is fixed. The second mounting plate 42 is fixed to the mounting frame 41 by bolts, and its mounting height can be adjusted by loosening the bolts, and a second servo motor 43 is fixed to the rear side of the second mounting plate 42, and the output shaft of the second servo motor 43 passes through the second mounting plate 42 and is connected to a rotating disk 44, and a slide groove 46 is provided on the rotating disk 44, and two mutually parallel shaping blocks 45 are provided on the rotating disk 44, and a shaping channel is formed between the two shaping blocks 45. The two shaping blocks 45 slide in cooperation with the slide groove 46, and the height and distance between the two shaping blocks 45 can be adjusted in the up and down directions during installation to adapt to the thickness of the edge of the washing machine tripod, and by clamping the edge of the washing machine tripod between the two shaping blocks 45, the second servo motor 43 drives the rotating disk 44 to rotate and perform rotation shaping;

[0040] Furthermore, a laser ranging sensor 7 is provided on one side of the chuck 54, and the laser ranging sensor 7 is fixed on the supporting table 11 through a bracket. The laser ranging sensor 7 is used to detect the position, size and other parameters of the washing machine tripod to assist in judging the shaping effect; when it is detected that the size after shaping does not meet the requirements, it can cooperate with the alarm 22 to issue a warning, and also provide data basis for subsequent automated adjustments.

[0041] In this embodiment, the mounting shaft 61 at the lower end of the tripod product 6 is inserted into the ball bearing 552. The system controls the operation of the chuck 54, which drives the telescopic column 541 downward via the linear motor 543, and simultaneously drives the three clamping blocks 542 to clamp the mounting shaft 61 at the lower end of the tripod product 6.

[0042] After the tripod product 6 is fixed, the third servo motor 52 drives the rotating shaft 51 to rotate, and at the same time drives the tripod product 6 to rotate, so that one side of the tripod product 6 moves between the two pressing heads 38;

[0043] The first servo motor 32 drives the ball screw 36 to rotate, and at the same time drives the connecting plate 35 and the first mounting plate 37 to move upward or downward, and the two pressing heads 38 cooperate with each other to shape one side of the tripod product 6 downward or upward;

[0044] After the shaping in the up and down directions is completed, the rotating shaft 51 is rotated to move one side of the tripod product 6 between the two shaping blocks 45, and then the second servo motor 43 drives the rotating disk 44 to rotate and perform rotation shaping on the tripod product 6;

[0045] During the shaping operation, the parameters of the tripod product 6 after shaping are detected by the laser ranging sensor 7. Since the device fixes the tripod by simulating the installation method of the tripod in the washing machine, the shaped tripod can accurately adapt to the installation structure of the washing machine, solving the installation error caused by the clamping posture problem of the existing equipment, greatly improving the product installation adaptability, and reducing the scrap rate caused by installation problems.

[0046] It should be noted that the parts not covered by the present invention are the same as the existing technology or can be implemented by using the existing technology; the various drives in the present invention can be implemented by using corresponding power structures such as cylinders, oil cylinders, electric cylinders, motors, etc. in combination with connecting rods, guide rods, etc., and are not limited to the description in the specification and the structure in the drawings.

[0047] In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "disposed," and "provided with" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific contexts.

[0048] The above-described embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A washing machine tripod shaping device, comprising a lower frame assembly (1) and an upper support assembly (2), wherein the lower frame assembly (1) is provided with a mounting assembly (5) for fixing the washing machine tripod, and a Z-axis correction assembly (3) and a rotation correction assembly (4) for correcting the tripod, characterized in that: The mounting assembly (5) includes a rotating shaft (51) driven by a third servo motor (52), a mounting seat (53) fixed to the top end of the rotating shaft (51), a chuck (54) provided on the mounting seat (53), and a product support (55) provided on the outer cover of the chuck (54), a ball bearing (552) installed on the top end of the product support (55) through a bearing fixing seat (551), and a central axis of the ball bearing (552) is concentrically arranged with a central axis of the chuck (54).

2. The washing machine tripod shaping device according to claim 1, characterized in that: The lower frame assembly (1) comprises a support bracket and a support plate (11) fixed on the top of the bracket, a support frame (12) is provided below the support plate (11), and the rotating shaft (51) is rotatably mounted between the support plate (11) and the support frame (12).

3. The washing machine tripod shaping device according to claim 2, characterized in that: The third servo motor (52) is mounted on the support frame (12), and synchronous wheels (511) are fixed to the output end of the third servo motor (52) and the lower end of the rotating shaft (51), and the two synchronous wheels (511) are connected by a synchronous belt.

4. The washing machine tripod shaping device according to claim 1, characterized in that: A laser distance measuring sensor (7) is provided on one side of the chuck (54), and the laser distance measuring sensor (7) is fixed on the supporting plate (11) via a bracket.

5. The washing machine tripod shaping device according to claim 1, characterized in that: The chuck (54) comprises a main body and three telescopic columns (541) arranged at the top end thereof and inclined outwards. The three telescopic columns (541) are evenly distributed around the center of the chuck (54), and the telescopic columns (541) are slidably connected to the chuck (54). A linear motor (543) is provided at the bottom end of each telescopic column (541), and the telescopic column (541) is driven by the linear motor (543).

6. The washing machine tripod shaping device according to claim 5, characterized in that: A clamping block (542) is installed on the top of each telescopic column (541).

7. The washing machine tripod shaping device according to claim 1, characterized in that: The upper bracket assembly (2) comprises a circumferentially arranged protective door and a display screen (21) and an alarm (22) arranged above the door. The display screen (21) and the alarm (22) are connected to the equipment control system.

8. The washing machine tripod shaping device according to claim 2, characterized in that: The Z-axis correction component (3) includes a module support column (31) vertically fixed to the support table (11) and a first servo motor (32) fixed to the top of the module support column (31); a connecting plate (35) is installed on the module support column (31) for sliding along the Z axis, and a ball screw (36) is installed on the output shaft of the first servo motor (32) at the end of the module support column (31); the other end of the ball screw (36) is rotatably connected to the module support column (31), and the ball screw (36) is threadedly connected to the connecting plate (35); a first mounting plate (37) is provided on the outer surface of the connecting plate (35); two pressure heads (38) are provided on the first mounting plate (37), and a displacement sensor (39) with a detection end facing the pressure head (38) is also provided on the first mounting plate (37).

9. The washing machine tripod shaping device according to claim 2, characterized in that: The rotation correction assembly (4) comprises a mounting frame (41) fixed to a supporting plate (11), a slot is provided in the middle of the mounting frame (41), a second mounting plate (42) is fixed in the slot, a second servo motor (43) is provided on the second mounting plate (42), an output shaft of the second servo motor (43) passes through the second mounting plate (42) and is connected to a rotating disk (44), and two shaping blocks (45) that can be adjusted in the up and down directions are installed on the rotating disk (44).

10. The washing machine tripod shaping device according to claim 9, characterized in that: A sliding groove (46) is provided on the rotating disk (44), and the two shaping blocks (45) are slidably matched with the sliding groove (46), and a shaping channel is formed between the two shaping blocks (45).