Production device and production process of organic glass hemispherical shell

Abstract

The application discloses a production device for a plexiglass semispherical shell, which comprises a supporting frame, a spherical shell fixing base, a fixing frame and a rotary driving mechanism; one end of the fixing frame is rotationally connected to the supporting frame through a bearing seat, and the other end of the fixing frame is connected to an output end of the rotary driving mechanism; the spherical shell fixing base is rotationally connected to the fixing frame, and a locking assembly is arranged on the fixing frame; a spherical shell pressing plate is arranged above the spherical shell fixing base; the spherical shell pressing plate is fixedly connected to the fixing frame through a connecting frame; a limiting groove is formed in the top end of the spherical shell fixing base; and a production process for the plexiglass semispherical shell is also disclosed. The plexiglass semispherical shell is made by the mode of being made in parts and then being bonded and polymerized, so that the problems of uneven shrinkage, uneven wall thickness and large roundness error existing in the traditional production process are effectively solved, and the production device is suitable for the production of semispherical shells of various sizes, especially the production of large-diameter semispherical shells, and is not limited by the site and processing equipment.

Description

Technical Field

[0001] This invention relates to the field of acrylic glass shell production technology, and more specifically to an apparatus and process for producing an acrylic glass hemispherical shell. Background Technology

[0002] The existing methods for manufacturing hemispherical shells made of acrylic glass are generally injection molding, machining, and blow molding. However, these methods all have problems such as uneven shrinkage, uneven wall thickness, and large roundness errors. Moreover, these methods are generally suitable for manufacturing some small hemispherical shells. For some large-diameter hemispherical shells, they are also limited by the space and processing equipment.

[0003] Therefore, how to provide a production device and process for producing acrylic hemispherical shells that can improve product quality and have a wide range of applications is one of the technical problems that urgently need to be solved in this field. Summary of the Invention

[0004] In view of this, the present invention provides a production apparatus and production process for an acrylic hemispherical shell, the purpose of which is to solve the problems in the prior art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A production apparatus for an acrylic hemispherical shell includes: a support frame, a shell fixing seat, a fixing frame, and a rotary drive mechanism; one end of the fixing frame is rotatably connected to the support frame via a bearing seat; the other end of the fixing frame is connected to the output end of the rotary drive mechanism; the rotary drive mechanism is mounted on the support frame; the shell fixing seat is rotatably connected to the fixing frame, and the fixing frame is provided with a locking assembly for fixing the shell fixing seat; a shell pressure plate is provided above the shell fixing seat; the shell pressure plate is fixedly connected to the fixing frame via a connecting frame; a limit groove is formed at the top of the shell fixing seat.

[0007] Preferably, the rotary drive mechanism includes a reduction gearbox and a rocker arm; the reduction gearbox is fixedly connected to the top of the support frame; the rocker arm is connected to the input shaft of the reduction gearbox; and the other end of the fixed frame is connected to the output shaft of the reduction gearbox.

[0008] Preferably, the locking assembly includes a locking bolt, a locking washer, and a bushing; the bushing is fixedly connected to the bottom end of the fixing frame; a rotating rod is provided at the bottom end of the spherical shell fixing seat; the rotating rod passes through the fixing frame and is inserted inside the bushing; a threaded hole adapted to the locking bolt is opened at the bottom end of the rotating rod; the locking bolt passes through the locking washer and is threaded into the threaded hole; the rotating rod is fixed inside the bushing by the cooperation of the locking bolt and the locking washer.

[0009] Preferably, the connecting frame includes a column and a support plate; the support plate is fixedly connected to the fixed frame; the bottom end of the column is fixedly connected to the end of the support plate away from the fixed frame; and the end of the spherical shell pressure plate away from the center of the spherical shell fixing seat is connected to the top end of the column.

[0010] Preferably, a limiting platform is provided at the top of the column; a threaded column is provided at the top of the limiting platform; the spherical shell pressure plate is sleeved on the threaded column and pressed against the top of the limiting platform by a locking nut.

[0011] Preferably, a central column is provided at the center of the bottom of the limiting groove; a ball support is provided at the top of the central column; and the top of the ball support is a convex spherical structure.

[0012] Preferably, a ball-pressing block is provided at the bottom end of the spherical shell pressure plate; the ball-pressing block is located directly above the center of the limiting groove; the bottom end of the ball-pressing block is a concave spherical structure.

[0013] Preferably, the bottom end of the ball-pressing block has a groove; the groove is arranged parallel to the fixing frame.

[0014] A manufacturing process for an acrylic hemispherical shell, utilizing the aforementioned acrylic hemispherical shell manufacturing apparatus, includes the following steps:

[0015] S1: Hemispherical shell unit is processed by hot pressing using a hot pressing mold;

[0016] S2: Place multiple hemispherical shell units in the limiting groove on the spherical shell fixing seat in sequence, and splice them into a complete hemispherical shell. Then, use the spherical shell pressure plate and the pressure block (16) to press the hemispherical shell tightly. Adhesive seams are formed at the joints of adjacent hemispherical shell units.

[0017] S3: Rotate the rocker arm, which drives the fixed frame to rotate 18° through the reduction gearbox, so that the spherical shell fixed seat is in a vertical state;

[0018] S4: Loosen the locking bolts and rotate the ball shell fixing seat so that at least one adhesive seam is in a horizontal state;

[0019] S5: Tighten the locking bolts to fix the ball shell fixing seat, and then use adhesive to bond the horizontal bonding seam.

[0020] S6: Repeat steps S4-S5 until all joints are bonded.

[0021] S7: After letting it stand for a period of time, rotate the rocker arm to restore the ball shell fixing seat to a horizontal state, and then remove the hemispherical shell;

[0022] S8: Grind and polish the inner and outer surfaces of the removed hemispherical shell to complete the processing of the hemispherical shell.

[0023] Preferably, in S1 and S8, a far-infrared tester is used to test the hemispherical shell unit and the hemispherical shell.

[0024] The present invention achieves the following technical effects compared to the prior art:

[0025] 1) This invention achieves the production of plexiglass hemispherical shells by split manufacturing and then bonding and polymerizing. This not only effectively solves the problems of uneven shrinkage, uneven wall thickness, and large roundness error in traditional manufacturing processes, but also is applicable to the production of hemispherical shells of various sizes. In particular, for the production of large-diameter hemispherical shells, it is not limited by the site and processing equipment.

[0026] 2) The entire device of the present invention has a simple structure, is easy to operate, and has the advantages of uniform shrinkage and wall thickness, small roundness error, and has a wider range of applications. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural diagram of a production apparatus for an acrylic hemispherical shell according to the present invention;

[0028] Figure 2 for Figure 1 A magnified view of part A in the middle;

[0029] Figure 3 This is a plan view of a production apparatus for an acrylic hemispherical shell according to the present invention;

[0030] Figure 4 for Figure 3 A magnified view of part B in the middle section;

[0031] Figure 5 for Figure 3 A magnified view of part C in the middle;

[0032] Figure 6 A schematic diagram of the structure of a hemispherical shell unit;

[0033] Figure 7 This is a schematic diagram of the structure of the present invention after the hemispherical shell unit is placed;

[0034] Figure 8 This is a schematic diagram of the structure of a hemispherical shell;

[0035] Figure 9 This is a three-dimensional structural diagram of a hot pressing mold;

[0036] Figure 10 This is a planar structural diagram of a hot pressing mold;

[0037] In the diagram: 1. Support frame; 2. Spherical shell fixing seat; 3. Fixing frame; 4. Rotary drive mechanism; 401. Gearbox; 402. Rocker arm; 5. Locking assembly; 501. Locking bolt; 502. Locking washer; 503. Bushing; 6. Connecting frame; 601. Column; 602. Support plate; 7. Bearing seat; 8. Spherical shell pressure plate; 9. Limiting groove; 10. Rotating rod; 11. Limiting platform; 12. Threaded column; 13. Locking nut; 14. Center column; 15. Ball support; 16. Ball pressing block; 17. Groove; 18. Pressing washer; 19. Connecting seat; 20. Foot; 21. Bottom support frame; 22. Top support frame; 23. Lower spherical shell mold; 24. Upper spherical shell mold; 25. Intermediate moving frame; 26. Guide column; 27. Lifting ring. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Reference Figure 1-10As shown, the present invention provides a production apparatus for an acrylic hemispherical shell, comprising: a support frame 1, a shell fixing seat 2, a fixing frame 3, and a rotary drive mechanism 4; one end of the fixing frame 3 is rotatably connected to the support frame 1 via a bearing seat 7; the other end of the fixing frame 3 is connected to the output end of the rotary drive mechanism 4; the rotary drive mechanism 4 is disposed on the support frame 1; the shell fixing seat 2 is rotatably connected to the fixing frame 3, and the fixing frame 3 is provided with a locking assembly 5 for fixing the shell fixing seat 2; a ball is disposed above the shell fixing seat 2. Shell pressure plate 8; the spherical shell pressure plate 8 is fixedly connected to the fixed frame 3 via the connecting bracket 6, so that the spherical shell pressure plate 8 can rotate synchronously with the fixed frame 3, thereby ensuring that it can always press the hemispherical shell; a limiting groove 9 is provided at the top of the spherical shell fixing seat 2; the cross-section of the limiting groove 9 is circular, which facilitates the limiting of the hemispherical shell and prevents the hemispherical shell from moving on the surface of the spherical shell fixing seat 2 during the bonding operation; before use, hemispherical shell units are made using a hot press mold, and during use, multiple hemispherical shell units are placed sequentially in the limiting groove 9. The components are assembled into a complete hemispherical shell and pressed together using a spherical shell pressure plate 8. A rotating drive mechanism 4 drives a fixed frame 3 to rotate, which in turn drives a spherical shell fixing seat 2 to rotate, bringing the spherical shell fixing seat 2 into a vertical position. Rotating the spherical shell fixing seat 2 ensures that at least one bonding seam between the individual hemispherical shell components is horizontal, and adhesive is used to bond them together. This process is repeated until all bonding seams are bonded. After a period of time, the rotating drive mechanism 4 restores the spherical shell fixing seat 2 to a horizontal position, and the bonded hemispherical shell is removed. The removed hemispherical shell is then ground and polished, completing the hemispherical shell fabrication. The entire device has a simple structure and is easy to operate. By using a separate fabrication and then bonding method to produce acrylic hemispherical shells, it effectively solves the problems of uneven shrinkage, uneven wall thickness, and large roundness errors inherent in traditional manufacturing processes. Furthermore, it is suitable for producing hemispherical shells of various sizes, especially large-diameter hemispherical shells, without being limited by site or processing equipment, thus having a wider range of applications.

[0040] In this embodiment, the rotary drive mechanism 4 includes a reduction gearbox 401 and a rocker arm 402; the reduction gearbox 401 is fixedly connected to the top of the support frame 1; the reduction gearbox 401 is positioned opposite the bearing seat 7; the rocker arm 402 is fixedly connected to the input shaft of the reduction gearbox 401; the other end of the fixed frame 3 is fixedly connected to the output shaft of the reduction gearbox 401; in use, rotating the rocker arm 402 drives the input shaft of the reduction gearbox 401 to rotate, and the force transmitted through the reduction gearbox 401 drives the output shaft of the reduction gearbox 401 to rotate, thereby driving the fixed frame 3 to rotate.

[0041] In this embodiment, the locking assembly 5 includes a locking bolt 501, a locking washer 502, and a bushing 503; the bushing 503 is fixedly connected to the middle of the bottom end of the fixing frame 3; a rotating rod 10 is provided at the bottom end of the spherical shell fixing seat 2; the rotating rod 10 is coaxially arranged with the limiting groove 9; the fixing frame 3 has a through hole adapted to the rotating rod 10, and the through hole on the rotating rod 10 communicates with the internal cavity of the bushing 503; the rotating rod 10 passes through the fixing frame 3 and passes through the internal cavity of the bushing 503; the bottom end of the rotating rod 10 has a locking mechanism... Bolt 501 has a matching threaded hole; locking bolt 501 passes through locking washer 502 and is threaded into the threaded hole; rotating rod 10 is fixed in bushing 503 by locking bolt 501 and locking washer 502; in use, press down on ball housing fixing seat 2 and turn locking bolt 501 upward to press locking washer 502 against the bottom of bushing 503, thus firmly fixing ball housing fixing seat 2 on fixing frame 3. When it is necessary to rotate ball housing fixing seat 2, simply loosen locking bolt 501. The operation is simple and convenient.

[0042] In this embodiment, the outer diameter of the locking washer 502 is larger than the inner diameter of the bushing 503, which facilitates the fixing of the spherical shell mounting base.

[0043] In this embodiment, the connecting frame 6 includes a column 601 and a support plate 602; the support plate 602 is fixedly connected to the side wall of the fixing frame 3, and the support plate 602 is perpendicular to the fixing frame 3; the bottom end of the column 601 is fixedly connected to the end of the support plate 602 away from the fixing frame 3; the end of the spherical shell pressure plate 8 away from the center of the spherical shell fixing seat 2 is connected to the top end of the column 601.

[0044] In this embodiment, a limiting platform 11 is provided at the top of the column 601; a threaded column 12 is provided at the top of the limiting platform 11; the spherical shell pressure plate 8 is sleeved on the threaded column 12 through the reserved hole on the spherical shell pressure plate 8 and pressed on the top of the limiting platform 11 by the locking nut 13; by providing the threaded column, the limiting platform and the locking nut, the installation and disassembly of the spherical shell pressure plate are facilitated.

[0045] In this embodiment, the column 601, the limiting platform 11, and the threaded column 12 are an integral structure.

[0046] In this embodiment, a central column 14 is provided at the center of the bottom of the limiting groove 9; a ball support 15 is provided at the top of the central column 14; the top of the ball support 15 is a convex spherical structure; the ball can support the hemispherical shell, prevent the hemispherical shell from deforming during processing, and improve product quality.

[0047] In this embodiment, a locking post is provided at the top of the central post 14; correspondingly, a locking groove adapted to the locking post is provided at the bottom of the ball support 15; the ball support 15 is locked onto the central post 14 through the locking post and the locking groove.

[0048] In this embodiment, a ball-pressing block 16 is provided at the bottom of the spherical shell pressure plate 8; the ball-pressing block 16 is located directly above the center of the limiting groove 9, so that the ball-pressing block 16 can apply pressure to the top of the hemispherical shell; the bottom of the ball-pressing block 16 is designed with a concave spherical surface structure, which can better fit the hemispherical shell and facilitate the rotation of the hemispherical shell with the rotation of the spherical shell fixing seat.

[0049] In this embodiment, a groove 17 is provided at the bottom end of the ball-pressing block 16; the groove 17 is arranged parallel to the fixing frame 3, which facilitates the bonding seam at the hemispherical shell covered by the ball-pressing block.

[0050] In this embodiment, the groove 17 has a V-shaped structure.

[0051] In this embodiment, a clamping washer 18 is provided between the locking nut 13 and the ball shell pressure plate 8; the top end of the clamping washer 18 abuts against the bottom end of the locking nut 13; the bottom end of the clamping washer 18 abuts against the top end of the ball shell pressure plate 8; by providing the clamping washer, the fastening effect on the ball shell pressure plate can be further improved.

[0052] In this embodiment, a connecting seat 19 is provided between the spherical shell fixing seat 2 and the rotating rod 10; the connecting seat 19 is fixedly connected to the bottom end of the spherical shell fixing seat 2, and the connecting seat 19 is coaxially arranged with the limiting groove 9; the connecting seat 19 is located at the top end of the fixing frame 3; the rotating rod 10 is fixedly connected to the bottom end of the connecting seat 19, and the rotating rod 10 is coaxially arranged with the limiting groove 9; in use, the connecting seat 19 is placed at the top end of the fixing frame 3, separating the spherical shell fixing seat 2 from the fixing frame 3, reducing the friction area, and facilitating the rotation of the fixing frame 3.

[0053] In this embodiment, the connecting seat 19 and the spherical shell fixing seat 2 are an integral structure.

[0054] In this embodiment, the bearing housing 7 is fixedly connected to the top of the support frame 1 via the bearing housing base.

[0055] In this embodiment, a support member is provided at the bottom of the support frame 1 to support the support frame 1.

[0056] In this embodiment, the support is a foot 20; there are 4 feet 20; the 4 feet 20 are evenly distributed at the four corners of the support frame 1.

[0057] In this embodiment, both ends of the fixing frame 3 are provided with rotating shafts; the rotating shaft at one end of the fixing frame 3 is connected to the bearing seat 7; the rotating shaft at the other end of the fixing frame 3 is connected to the output shaft of the gearbox 401 through a coupling.

[0058] In this embodiment, the support frame 1 is a rectangular frame.

[0059] In this embodiment, the gearbox 401 is a conventional device in the prior art, so its specific structure will not be described in detail.

[0060] In this embodiment, the spherical shell fixing seat 2 is a cylindrical structure.

[0061] In this embodiment, the central column 14 is threaded to the bottom of the limiting groove 9, which facilitates installation and disassembly.

[0062] This invention also provides a manufacturing process for an acrylic hemispherical shell, utilizing the aforementioned acrylic hemispherical shell manufacturing apparatus, comprising the following steps:

[0063] S1: The hemispherical shell unit is processed by hot pressing using a hot pressing mold; the hemispherical shell unit is 1 / 16 of the hemispherical shell.

[0064] S2: Place 16 hemispherical shell units in the limiting groove 9 on the spherical shell fixing seat 2 in sequence, and assemble them into a complete hemispherical shell. Then, use the spherical shell pressure plate 8 and the pressure block 16 to press the hemispherical shell tightly. Adhesive seams are formed at the joints of adjacent hemispherical shell units.

[0065] S3: Rotate the rocker arm 402. The rocker arm 402 drives the fixed frame 3 to rotate 90° through the reduction gearbox 401, so that the spherical shell fixed seat 2 is in a vertical state.

[0066] S4: Loosen the locking bolt 501 and rotate the ball shell fixing seat 2 so that the two adhesive seams on the same circumference are in a horizontal state;

[0067] S5: Tighten the locking bolt 501 to fix the ball shell fixing seat 2, and then use adhesive to bond the two horizontal bonding seams.

[0068] S6: Repeat steps S4-S5 until all joints are bonded.

[0069] S7: After standing still for a period of time, rotate the rocker arm 402 to restore the ball shell fixing seat 2 to a horizontal state, and then remove the hemispherical shell;

[0070] S8: Grind and polish the inner and outer surfaces of the removed hemispherical shell to complete the processing of the hemispherical shell.

[0071] In this embodiment, in S1, a far-infrared tester is used to detect the dimensional tolerances of the inner and outer arc surfaces of the hemispherical shell unit.

[0072] In this embodiment, in step S8, an infrared tester is used to detect the overall consistency of the hemispherical shell to meet the product's performance requirements.

[0073] In this embodiment, in step S5, after bonding, it needs to be left to stand for a period of time to allow the adhesive to cure.

[0074] In this embodiment, the hot pressing mold includes a bottom support frame 21, a top support frame 22, a lower spherical mold 23, an upper spherical mold 24, an intermediate moving frame 25, a guide column 26, and a lifting ring 27. The lower spherical mold 23 is fixedly connected to the top of the bottom support frame 21. The top support frame 22 is disposed above the bottom support frame 21 and is connected to the bottom support frame 21 through the guide column 26. The intermediate moving frame 25 is disposed above the lower spherical mold 23. The intermediate moving frame 25 is slidably connected to the guide column 26 through a linear bearing. The upper spherical mold 24 is fixedly connected to the bottom of the intermediate moving frame 25. The lifting ring 27 is fixedly connected to the top of the intermediate moving frame 25. In use, after the entire mold assembly is completed, the spherical raw material is placed between the upper spherical mold 24 and the lower spherical mold 23, and the intermediate moving frame 25 is pushed to press the spherical raw material to form a single spherical unit.

[0075] In this embodiment, there are four guide posts 26; the four guide posts 26 are evenly distributed around the lower mold 23 of the spherical shell.

[0076] In this embodiment, there are two lifting rings 27; the two lifting rings 27 are symmetrically arranged on the left and right sides of the top of the middle movable frame 25.

[0077] In this embodiment, the lower spherical mold 23 and the upper spherical mold 24 are made according to the dimensions of a hemispherical shell.

[0078] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A production apparatus for an acrylic hemispherical shell, characterized in that, include: The support frame (1), the spherical shell fixing seat (2), the fixing frame (3) and the rotary drive mechanism (4) are provided. One end of the fixing frame (3) is rotatably connected to the support frame (1) through the bearing seat (7). The other end of the fixing frame (3) is connected to the output end of the rotary drive mechanism (4). The rotary drive mechanism (4) is set on the support frame (1). The spherical shell fixing seat (2) is rotatably connected to the fixing frame (3), and the fixing frame (3) is provided with a locking assembly (5) for fixing the spherical shell fixing seat (2). A spherical shell pressure plate (8) is provided above the spherical shell fixing seat (2). The spherical shell pressure plate (8) is fixedly connected to the fixing frame (3) through the connecting frame (6). A limit groove (9) is opened at the top of the spherical shell fixing seat (2).

2. The production apparatus for an acrylic hemispherical shell according to claim 1, characterized in that, The rotary drive mechanism (4) includes a reduction gearbox (401) and a rocker arm (402); the reduction gearbox (401) is fixedly connected to the top of the support frame (1); the rocker arm (402) is connected to the input shaft of the reduction gearbox (401); the other end of the fixing frame (3) is connected to the output shaft of the reduction gearbox (401).

3. The production apparatus for an acrylic hemispherical shell according to claim 1, characterized in that, The locking assembly (5) includes a locking bolt (501), a locking washer (502), and a bushing (503); the bushing (503) is fixedly connected to the bottom end of the fixing frame (3); a rotating rod (10) is provided at the bottom end of the spherical shell fixing seat (2); the rotating rod (10) passes through the fixing frame (3) and is inserted inside the bushing (503); the bottom end of the rotating rod (10) is provided with a threaded hole that matches the locking bolt (501); the locking bolt (501) passes through the locking washer (502) and is threadedly connected to the threaded hole; the rotating rod (10) is fixed inside the bushing (503) by the cooperation of the locking bolt (501) and the locking washer (502).

4. The production apparatus for an acrylic hemispherical shell according to claim 1, characterized in that, The connecting frame (6) includes a column (601) and a support plate (602); the support plate (602) is fixedly connected to the fixing frame (3); the bottom end of the column (601) is fixedly connected to the end of the support plate (602) away from the fixing frame (3); the end of the spherical shell pressure plate (8) away from the center of the spherical shell fixing seat (2) is connected to the top end of the column (601).

5. The apparatus for producing an acrylic hemispherical shell according to claim 4, characterized in that, The top of the column (601) is provided with a limiting platform (11); the top of the limiting platform (11) is provided with a threaded column (12); the spherical shell pressure plate (8) is sleeved on the threaded column (12) and pressed on the top of the limiting platform (11) by a locking nut (13).

6. The production apparatus for an acrylic hemispherical shell according to claim 1, characterized in that, A central column (14) is provided at the center of the bottom of the limiting groove (9); a ball support (15) is provided at the top of the central column (14); the top of the ball support (15) is a convex spherical structure.

7. The production apparatus for an acrylic hemispherical shell according to claim 1, characterized in that, The bottom end of the spherical shell pressure plate (8) is provided with a ball-pressing block (16); the ball-pressing block (16) is located directly above the center of the limiting groove (9); the bottom end of the ball-pressing block (16) is a concave spherical structure.

8. The apparatus for producing an acrylic hemispherical shell according to claim 7, characterized in that, The bottom end of the ball-pressing block (16) is provided with a groove (17); the groove (17) is arranged parallel to the fixing frame (3).

9. A manufacturing process for an acrylic hemispherical shell, characterized in that, The production apparatus for the plexiglass hemispherical shell as described in any one of claims 1-8 includes the following steps: S1: Hemispherical shell unit is processed by hot pressing using a hot pressing mold; S2: Place multiple hemispherical shell units in the limiting groove (9) on the spherical shell fixing seat (2) in sequence, and splice them into a complete hemispherical shell. Then, use the spherical shell pressure plate (8) and the pressure block (16) to press the hemispherical shell tightly. Adhesive seams are formed at the joints of adjacent hemispherical shell units. S3: Rotate the rocker arm (402), and the rocker arm (402) drives the fixed frame (3) to rotate through the reduction gearbox (401), so that the spherical shell fixed seat (2) is in a vertical state; S4: Loosen the locking bolt (501) and rotate the spherical shell fixing seat (2) so that at least one adhesive seam is in a horizontal state; S5: Tighten the locking bolt (501) to fix the ball shell fixing seat (2), and then use adhesive to bond the horizontal bonding seam. S6: Repeat steps S4-S5 until all joints are bonded. S7: After standing still for a period of time, rotate the rocker arm (402) to restore the spherical shell fixing seat (2) to a horizontal state, and then remove the hemispherical shell; S8: Grind and polish the inner and outer surfaces of the removed hemispherical shell to complete the processing of the hemispherical shell.

10. The manufacturing process of an acrylic hemispherical shell according to claim 9, characterized in that, In S1 and S8, a far-infrared tester is required to test the hemispherical shell unit and the hemispherical shell itself.

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