A fixing mechanism for shell processing and a method of using the same

Abstract

The application is a fixing mechanism for shell processing and its using method, which relates to the field of luggage production and processing technology, and comprises a shaped shell and a mounting frame table. Four first longitudinal telescopic rods are arranged on the four sides of the mounting frame table to support the inner side of the shaped shell. A correction assembly is arranged on the upper side of the mounting frame table to outwardly expand and tightly press the four sides of the shaped shell. Four first longitudinal telescopic rods with adjustable height can support and place the inner side of the shaped shell with different height and size. The principle of the crank slider is adopted to make the rotating pipe synchronously push and pull the four correction push plates to outwardly expand and inwardly shrink. In the expansion state, the shaped shell supported by each first longitudinal telescopic rod can be synchronously pushed to the middle correction positioning, and the shaped shell is stably tensioned. This method can also be suitable for the shaped shells with different width and size, and then the suction plate on the top of the suction rod is used to secondarily adsorb and fix the middle part of the shaped shell.

Description

Technical Field

[0001] This invention specifically relates to a fixing mechanism for shell processing and its usage method, and pertains to the field of luggage manufacturing and processing technology. Background Technology

[0002] The shell of a suitcase is typically produced by blow molding. After the shell is blow molded, an integrally formed edge plate is formed along the opening edge. This edge plate usually needs to be cut in a ring along the opening to separate the shell from the edge plate. Traditional methods include manual cutting and automated ring-cutting equipment. However, during processing, a mold adapted to the suitcase shell is required for support. However, placing the shell on this mold not only fails to effectively and stably secure the shell and edge plate, but also makes it inconvenient to remove the shell after ring cutting. Furthermore, since the shells vary in size, the size cannot be flexibly adjusted to support the interior. Additionally, the edge plate tends to fall downwards during or after ring cutting, failing to maintain a level position and affecting the ring cutting process and making it difficult to remove the edge plate afterward. Therefore, our company needs to develop and design a shell processing fixing mechanism and its usage method to improve upon these problems. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the purpose of this invention is to provide a fixing mechanism for shell processing, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a fixing mechanism for shell processing, comprising a molded shell and a mounting frame. The mounting frame has four sides respectively provided with first longitudinal telescopic rods for supporting the inner side of the molded shell. A correction component is provided on the upper side of the mounting frame for expanding and tightening the four sides of the molded shell outwards. The correction component has a lifting displacement and suction rod in its center for adsorbing and tightening the inner side of the molded shell. An adsorption and flipping frame for adsorbing and flipping the edge material plate of the molded shell is also installed on the upper side of the mounting frame. The bottom four sides of the adsorption and flipping frame are elastically and vertically connected to a lifting component and connected to the mounting frame. The correction component includes a rotating tube and four sliding correction push plates corresponding to the four sides of the molded shell. One side of each correction push plate is rotatably connected to a crank connecting rod on one side of the rotating tube. The suction rod passes through the middle of the rotating tube and is mounted on the mounting frame.

[0005] Based on the above technical solution, the correction component also includes a mounting plate installed on the upper side of the mounting frame platform. The rotating tube is rotatably installed in the middle of the mounting plate. The bottom of each correction push plate is slidably connected to the upper side of the mounting plate through a guide rail slider. A gear is sleeved on the outer side of the bottom of the rotating tube. A hydraulic telescopic rod is installed at the bottom of the mounting plate. The telescopic end of the hydraulic telescopic rod is equipped with a gear row that meshes with the gear. The first longitudinal telescopic rod is installed on the four sides of the mounting plate.

[0006] Based on the above technical solution, the adsorption rod includes a second longitudinal telescopic rod, and a suction cup for adsorbing the inner side of the shell is installed at the telescopic end of the second longitudinal telescopic rod. The suction cup is connected to an air pump through an air pipe. A measuring ruler is vertically installed on one side of both the first and second longitudinal telescopic rods, and a rubber pad is installed at the telescopic end of the first longitudinal telescopic rod.

[0007] Based on the above technical solution, the adsorption flipping frame includes a support frame plate, which is surrounded by the correction component. The support frame plate has an embedding groove on its front and rear sides, and the two embedding grooves are synchronously rotatably connected to adsorption flipping plates. The two adsorption flipping plates are located under the edge plates on the front and rear sides of the molding shell.

[0008] Based on the above technical solution, the upper side of the support frame plate is provided with multiple interconnected adsorption ports, the side of the support frame plate is provided with side through holes, and adsorption pumps are respectively installed on the front and rear sides of the mounting frame platform. The suction end of the adsorption pump is provided with a connecting pipe, the end of which is connected to one side of the support frame plate and communicates with the embedded groove. The connecting pipe is connected to the side through holes.

[0009] Based on the above technical solution, a rotating rod is rotatably mounted on the support frame plate. The rotating rod is fixedly connected to the two support frame plates respectively. A drive motor for driving the rotating rod to rotate is installed on one side of the support frame plate.

[0010] Based on the above technical solution, the lifting assembly includes a lifting cylinder and a guide kit installed on one side of the mounting frame. A bottom rod is installed on the telescopic end of the lifting cylinder. An upper connecting rod is elastically connected to the upper side of the bottom rod. The upper connecting rod slides through one side of the guide kit and extends upward from the bottom of the mounting frame. The top of the upper connecting rod is connected to the bottom of the support frame plate.

[0011] Based on the above technical solution, a buffer spring is elastically connected between the bottom rod and the upper connecting rod. The upper and lower ends of the buffer spring are respectively locked to the opposite side of the bottom rod and the upper connecting rod. A slot is provided on the upper side of the upper connecting rod, and the bottom end of the upper connecting rod is inserted through the slot.

[0012] The document also includes a method for using a fixing mechanism for shell processing: Before use, the height of the top of the adsorption rod and the first longitudinal telescopic rod needs to be adjusted to the corresponding height of the inner side of the molded shell. Then, the inner side of the molded shell is covered by the four adsorption rods suspended in the air, and the four side correction push plates are located on the four sides of the inner side of the molded shell. Then, by controlling the rotation of the rotating tube, the rotating tube pushes the four correction push plates outward in a synchronous manner through the crank connecting rod, thereby allowing the molded shell, which is suspended in the air by the four adsorption rods, to be quickly corrected and positioned in the middle position. The outer sides of the four correction push plates are then pressed and fixed against the four sides of the inner side of the molded shell, and a second adsorption and fixation is performed in conjunction with the adsorption action of the top of the adsorption rods; at the same time, the molded shell... After the position is corrected and stabilized, the adsorption flipping frame can be elastically raised and lowered under the action of the lifting component. When it rises, the upper side of the adsorption flipping frame comes into contact with the edge plates on the front and rear sides of the molding shell, and the edge plates are adsorbed and fixed by the adsorption of the adsorption flipping frame. In this way, when the ring cutting knife enters from one side to ring cut the edge plates, both the molding shell and the edge plates can remain stable. After the ring cutting is completed, the edge plates will be lifted, and the lifting component will be lowered appropriately to fully separate the ring-cut edge plates from the molding shell, so as to facilitate the removal of the molding shell. After the molding shell is removed, the adsorbed edge plates can be flipped to one side by the adsorption flipping frame, so that the edge plates can quickly slide and fall into the stacking area on one side, and quickly reset to prepare for the next ring cutting operation.

[0013] By adopting the above technical solution, the present invention has the following advantages:

[0014] This invention uses four adjustable-height first longitudinal telescopic rods to support the inner side of molding shells of different heights. It employs the principle of a crank-slider to allow the rotating tube to synchronously push and pull four correction plates to expand outward and shrink inward. In the expanded state, it can synchronously push the molding shells supported by each first longitudinal telescopic rod to correct and position them in the center, and stabilize and tension the molding shells. This method can also be applied to molding shells of different widths. Then, with the suction cup at the top of the adsorption rod, the inner center of the molding shell is adsorbed and fixed for a second time. This greatly ensures the stability during the ring cutting process. Moreover, since the adsorption rod passes through the middle of the rotating tube, it can also avoid mutual interference with the movement of gas components. The structural design is simple and ingenious.

[0015] Meanwhile, an adsorption flipping frame is also installed on the mounting platform to support the edge plate of the molded shell after the above-mentioned secondary stabilization, so that the edge plate can be kept at a certain level. The adsorption pump and connecting pipe are used to generate negative pressure at each adsorption port on the adsorption flipping plate. In this way, the adsorption ports can continuously adsorb the edge plate of the molded shell, further improving its stability and avoiding affecting the subsequent ring cutting work. After the ring cutting and shell mold removal are completed, the adsorption flipping plate can be flipped clockwise to the right, so that the cut edge plate can quickly slide to the centralized area and reset, which is beneficial to improving the efficiency and effect of use.

[0016] Furthermore, a lifting assembly is provided to adaptively push the adsorption and flipping frame. Since a buffer spring is installed between the bottom rod and the upper connecting rod, the buffer spring plays a key role. When the lifting cylinder pushes upward and the adsorption and flipping frame hits the lower side of the side material plate, the buffer spring will absorb the impact force generated by the contact between the adsorption and flipping frame and the side material plate, preventing damage caused by hard collision. Attached Figure Description

[0017] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the fixing mechanism and the molded shell of the present invention;

[0019] Figure 2 This is a schematic diagram of the fixing mechanism of the present invention;

[0020] Figure 3 This is a schematic diagram of the corrective component and the molded housing in use according to the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the correction component, the adsorption rod, and the first longitudinal telescopic rod of the present invention;

[0022] Figure 5 This is a schematic diagram of the bottom structure of the correction component of the present invention;

[0023] Figure 6 This is a schematic diagram of the adsorption and turning frame of the present invention;

[0024] Figure 7 This is a schematic diagram of the flipping state structure of the adsorption flipping frame of the present invention;

[0025] Figure 8 This is a cross-sectional structural diagram of the lifting assembly of the present invention;

[0026] In the diagram: Molded shell a, mounting frame 1, adsorption flipping frame 2, support frame plate 21, embedding groove 22, adsorption flipping plate 23, adsorption port 231, side through hole 232, rotating rod 24, drive motor 25, correction assembly 3, mounting plate 31, correction push plate 32, rotating tube 33, crank connecting rod 34, gear 35, gear rack 36, hydraulic telescopic rod 37, first longitudinal telescopic rod 4, rubber pad 41, adsorption rod 5, second longitudinal telescopic rod 50, suction cup 51, measuring ruler 6, lifting assembly 7, lifting cylinder 71, bottom rod 72, upper connecting rod 73, buffer spring 74, guide kit 75, slot 76, insertion rod 77, adsorption pump 8, connecting pipe 81. Detailed Implementation

[0027] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0028] like Figure 1-8 As shown in the figure, the present invention provides a technical solution for a fixing mechanism for processing a shell, including a molded shell a and a mounting frame 1. The mounting frame 1 has four sides respectively provided with first longitudinal telescopic rods 4 for supporting the inner side of the molded shell a. The upper side of the mounting frame 1 is provided with a correction component 3 for tightening the outward expansion of the four sides inside the molded shell a. The correction component 3 has a lifting displacement suction rod 5 in its middle for suctioning the inner side of the molded shell a. The suction rod 5 includes a second longitudinal telescopic rod 50, and the telescopic end of the second longitudinal telescopic rod 50 is equipped with a device for suctioning the molded shell. The suction cup 51 inside body a is connected to an air pump via an air tube. Therefore, while the correction component 3 corrects and tightens the molded shell a supported by each first longitudinal telescopic rod 4, it also uses the adsorption action of the adsorption rod 5 to secondarily adhere the molded shell a to the first longitudinal telescopic rod 4 to prevent the shell a from sliding upward and detaching. The extension end of the first longitudinal telescopic rod 4 is equipped with a rubber pad 41, which can prevent the molded shell a from being covered by the adjustment extension end of the first longitudinal telescopic rod 4 and has a certain protective effect on the continuous adsorption of the adsorption rod 5.

[0029] An adsorption and flipping frame 2 is also installed on the upper side of the mounting frame 1 for adsorbing and flipping the edge material plate of the molded shell a. The bottom of the adsorption and flipping frame 2 is elastically lifted and connected to the lifting components 7 on four sides and connected to the mounting frame 1. The adsorption and flipping frame 2 supports the edge material plate to keep it horizontal and uses adsorption to further tighten the edge material plate, making the entire molded shell a more stable. The adsorption and flipping frame 2 is used to flip and quickly flip and send out the ring-cut edge material plate, improving the efficiency and effect. A measuring ruler 6 is vertically installed on one side of the first longitudinal telescopic rod 4 and the second longitudinal telescopic rod 50. By installing the measuring ruler on the telescopic rod, any signs of deviation from the normal height can be detected in time, and measures can be taken to adjust the height position of the first longitudinal telescopic rod 4 and the second longitudinal telescopic rod 50 accordingly to ensure the accuracy and safety of the equipment.

[0030] The correction component 3 includes a rotating tube 33 and four correction push plates 32 that slide on the four sides inside the molding shell a. Each correction push plate 32 has a crank connecting rod 34 rotatably connected to one side of the rotating tube 33. The adsorption rod 5 passes through the middle of the rotating tube 33 and is installed on the mounting frame 1. The difference from the prior art is that the rotating tube 33 and the adsorption rod 5 will not affect each other during use. The adsorption rod 5 adsorbs the middle of the molding shell a. During operation, the adsorption force on the molding shell a can be more uniform, which is more conducive to improving the stability of use.

[0031] Specifically, an mounting plate 31 is installed on the upper side of the mounting frame 1. The rotating tube 33 is rotatably installed in the middle of the mounting plate 31. The bottom of each correction push plate 32 is slidably connected to the upper side of the mounting plate 31 through the guide rail slider 321. A gear 35 is sleeved on the outer side of the bottom of the rotating tube 33. A hydraulic telescopic rod 37 is installed at the bottom of the mounting plate 31. The telescopic end of the hydraulic telescopic rod 37 is equipped with a gear rack 36 that meshes with the gear 35. The first longitudinal telescopic rod 4 is installed on the four sides of the mounting plate 31. The reciprocating extension and retraction of the hydraulic telescopic rod 37 can drive the gear rack 36 to mesh with the gear 35 to rotate, so that the rotating tube 33 can be synchronously pushed and pulled by the four crank connecting rods 34 to adjust the sliding tension of the correction push plate 32.

[0032] In this embodiment, to achieve the supporting, adsorption, and flipping functions of the adsorption flipping frame 2, the adsorption flipping frame 2 includes a support frame plate 21, which is surrounded by the correction component 3. The support frame plate 21 has embedding grooves 22 on its front and rear sides, and adsorption flipping plates 23 are synchronously rotatably connected to the inner sides of the two embedding grooves 22. The two adsorption flipping plates 23 are located under the edge plates on the front and rear sides of the molding shell a, so that the adsorption flipping plates 23 can directly abut against the underside of the edge plates after rising. Furthermore, the upper side of the support frame plate 21 has an opening... Multiple interconnected adsorption ports 231 are provided. Side through holes 232 are installed on the side of the support frame plate 21. Adsorption pumps 8 are installed on the front and rear sides of the mounting frame 1, and a connecting pipe 81 is installed at the suction end of the adsorption pump 8. The end of the connecting pipe 81 is installed on one side of the support frame plate 21 and communicates with the embedded groove 22. The connecting pipe 81 is connected to the side through holes 232. After the adsorption pump 8 operates, a negative pressure is generated in the side through holes 232 of the adsorption flap 23 to further adsorb and fix the edge material plate, facilitating the ring cutting operation and ensuring the edge material plate... After the ring cutting is completed, the lifting assembly 7 is lowered appropriately to fully separate any possible connection points between the ring-cut edge plate and the molded shell a. This not only facilitates the removal of the molded shell a but also allows the edge plate to be separated individually. After the edge plate is separated, a rotating rod 24 is rotatably mounted on the support frame plate 21. The rotating rod 24 is fixedly connected to two support frame plates 21 respectively. A drive motor 25 is installed on one side of the support frame plate 21 to drive the rotating rod 24 to rotate. The rotating rod 24 is controlled by the drive motor 25. The rotation of the rotating rod 24 causes the two adsorption flaps 23 to simultaneously flip the circumcised edge plate, allowing the edge plate to fall from one side of the adsorption flap 23 to the designated area and quickly reset to await the next workpiece. At the same time as the adsorption flap 23 flips, the side through hole 232 on one side will disengage from the embedded groove 22 of the support frame plate 21 and disconnect from the connecting pipe 81. Therefore, when the adsorption flap 23 flips, it can release the negative pressure adsorption effect on the edge plate, allowing the edge plate to slide down quickly from one side, improving its use effect and efficiency.

[0033] The lifting assembly 7 includes a lifting cylinder 71 and a guide kit 75 installed on one side of the mounting frame 1. A base rod 72 is installed at the telescopic end of the lifting cylinder 71. An upper connecting rod 73 is elastically connected to the upper side of the base rod 72. The upper connecting rod 73 slides through one side of the guide kit 75 to achieve vertical guidance and extends upward from the bottom of the mounting frame 1. The top of the upper connecting rod 73 is connected to the bottom of the support frame plate 21. Thus, the lifting displacement of the support frame plate 21 can be controlled by the lifting cylinder 71. A buffer spring 74 is elastically connected between the base rod 72 and the upper connecting rod 73. The upper and lower ends of the buffer spring 74 are respectively connected to the base rod 72 and the upper connecting rod 75. The connecting rod 73 is locked on the opposite side. A buffer spring 74 is provided between the bottom rod 72 and the upper connecting rod 73 to absorb the impact force and reduce the vibration caused by rapid movement or unstable movement. The buffer spring 74 can provide a certain elasticity during the lifting process and can protect against the displacement and wear of the molded shell a and the edge plate caused by sudden impact or excessive force. A slot 76 is provided on the upper side of the upper connecting rod 73, and the bottom end of the upper connecting rod 73 is inserted into the slot 76. The advantage of this setting is that the upper connecting rod 73 can move up and down along the slot 76, making the entire support frame plate 21 more stable when it is elastically raised and lowered.

[0034] The first longitudinal telescopic rod 4 and the second longitudinal telescopic rod 50 can be telescopic cylinders, electric push rods, etc., which have the function of telescopic height adjustment in the prior art. Therefore, both the first longitudinal telescopic rod 4 and the second longitudinal telescopic rod 50 can be adjusted up and down to adapt to support the inner height of the molded shell a of different sizes.

[0035] Specific usage method: Before use, refer to the measuring ruler 6 to adjust the height of the second longitudinal telescopic rod 50 and the top of the first longitudinal telescopic rod 4 of the adsorption rod 5. Adjust the rubber pad 41 and suction cup 51 to the corresponding height of the inner side of the molding shell a. Then, cover the inner side of the molding shell a with the four adsorption rods 5 for suspension support. The extension of the extension end of the hydraulic telescopic rod 37 drives the gear 35 of the toothed rack 36 to rotate clockwise, so that the rotating tube 33 uses the crank connecting rod 34 to synchronously push the four correction push plates 32 to slide outward and expand. Since the four correction push plates 32 are located on the molding shell The four sides of the inner side of body a allow the four suction rods 5 to suspend and support the molded shell a, which is then quickly moved towards the center, corrected and positioned in the middle. The outer sides of the four correction push plates 32 are then pressed and fixed against the four inner sides of the molded shell a. Then, the air pump is controlled to act on the suction cup 51, causing the suction cup 51 to adhere to the center of the inner side of the molded shell a. Secondary adsorption and fixation are achieved through the adsorption action of the top of the suction rods 5. After the molded shell a is corrected and stabilized, the lifting cylinders 71 of each lifting component 7 push the support frame plate 21 upwards, causing the adsorption flap 23 to press against the center. On the underside of the edge material plate, the buffer spring 74 absorbs the impact force during ejection. Then, after the adsorption pump 8 operates, the side through-hole 232 of the adsorption flap 23 generates negative pressure to further adsorb and fix the edge material plate. In this way, when the circumferential cutting blade enters from one side to circumferentially cut the edge material plate, both the forming shell a and the edge material plate can maintain sufficient stability. After the circumferential cutting and separation are completed, the edge material plate will be lifted. At this time, the lifting cylinder 71 of the lifting assembly 7 is lowered appropriately to fully separate the adsorbed edge material plate after circumferential cutting from the forming shell a, so as to facilitate the removal of the forming shell a. After the forming shell a is removed, it is then... The drive motor 25 controls the rotation of the rotating rod 24, which in turn drives the two adsorption flaps 23 to simultaneously flip the circumcised edge plate, allowing the edge plate to fall from one side of the adsorption flap 23 to the designated area and quickly reset to await the next workpiece. At the same time as the adsorption flap 23 flips, the side through hole 232 on one side will disengage from the embedded groove 22 of the support frame plate 21 and disconnect from the connecting pipe 81. Therefore, when the adsorption flap 23 flips, it can release the negative pressure adsorption effect on the edge plate, allowing the edge plate to slide down quickly from one side. The structure is simple and ingenious, and it is quicker and more convenient to use.

[0036] The above embodiments illustrate and describe the basic principles and main features of the present invention, as well as its advantages. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the present invention. Various changes and modifications can be made to the present invention without departing from its spirit and scope. All such changes and modifications fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. A fixing mechanism for processing a housing, comprising a shaped housing (a) and a mounting frame (1), characterized in that: The mounting frame (1) is provided with first longitudinal telescopic rods (4) on each of its four sides for supporting the inner side of the molded shell (a). The mounting frame (1) is provided with a correction component (3) on its upper side for expanding and tightening the four sides of the inside of the molded shell (a) outward. The correction component (3) is provided with an adsorption rod (5) in the middle for lifting displacement and adsorbing the inner side of the molded shell (a). The upper side of the mounting frame (1) is also equipped with an adsorption and flipping frame (2) for adsorbing and flipping the edge material plate of the molded shell (a). The bottom four sides of the adsorption and flipping frame (2) are elastically lifted and connected to the lifting component (7) and connected to the mounting frame (1). The correction component (3) includes a rotating tube (33) and four correction push plates (32) that slide on the four sides inside the molded housing (a). Each correction push plate (32) has a crank connecting rod (34) rotatably connected to the four sides of the rotating tube (33) on one side. The adsorption rod (5) passes through the middle of the rotating tube (33) and is installed on the mounting frame (1). The adsorption flipping frame (2) includes a support frame plate (21), which is surrounded by the correction component (3). The support frame plate (21) has an embedding groove (22) on the front and rear sides respectively, and the two embedding grooves (22) are synchronously connected to the adsorption flipping plate (23) on the inner side. The two adsorption flipping plates (23) are located on the lower side of the edge material plate on the front and rear sides of the molding shell (a). The upper side of the support frame plate (21) is provided with multiple interconnected adsorption ports (231), and the side of the support frame plate (21) is provided with side through holes (232). Adsorption pumps (8) are installed on the front and rear sides of the mounting frame (1), and the suction end of the adsorption pump (8) is provided with a connecting pipe (81). The end of the connecting pipe (81) is provided with one side of the support frame plate (21) and communicates with the embedded groove (22). The connecting pipe (81) is connected to the side through holes (232). The support frame plate (21) is rotatably mounted with a rotating rod (24), which is fixedly connected to the two support frame plates (21) respectively. A drive motor (25) for driving the rotating rod (24) to rotate is installed on one side of the support frame plate (21).

2. The fixing mechanism for shell processing according to claim 1, characterized in that: The correction assembly (3) also includes a mounting plate (31) installed on the upper side of the mounting frame (1). The rotating tube (33) is rotatably installed in the middle of the mounting plate (31). The bottom of each correction push plate (32) is slidably connected to the upper side of the mounting plate (31) through a guide rail slider (321). A gear (35) is sleeved on the outer side of the bottom of the rotating tube (33). A hydraulic telescopic rod (37) is installed at the bottom of the mounting plate (31). The telescopic end of the hydraulic telescopic rod (37) is equipped with a toothed row (36) that meshes with the gear (35). The first longitudinal telescopic rod (4) is installed on the four sides of the mounting plate (31).

3. A fixing mechanism for shell processing according to claim 1 or 2, characterized in that: The adsorption rod (5) includes a second longitudinal telescopic rod (50), and the telescopic end of the second longitudinal telescopic rod (50) is equipped with a suction cup (51) for adsorbing the inner side of the shell (a). The suction cup (51) is connected to an air pump through an air pipe. A measuring ruler (6) is vertically installed on one side of both the first longitudinal telescopic rod (4) and the second longitudinal telescopic rod (50). A rubber pad (41) is installed on the telescopic end of the first longitudinal telescopic rod (4).

4. The fixing mechanism for shell processing according to claim 1, characterized in that: The lifting assembly (7) includes a lifting cylinder (71) and a guide kit (75) installed on one side of the mounting frame (1). The lifting cylinder (71) has a base rod (72) installed at its telescopic end. An upper connecting rod (73) is elastically connected to the upper side of the base rod (72). The upper connecting rod (73) slides through the guide kit (75) from one side and passes through the bottom of the mounting frame (1) upwards. The top of the upper connecting rod (73) is connected to the bottom of the support frame plate (21).

5. A fixing mechanism for shell processing according to claim 4, characterized in that: A buffer spring (74) is elastically connected between the bottom rod (72) and the upper connecting rod (73). The upper and lower ends of the buffer spring (74) are locked to the opposite side of the bottom rod (72) and the upper connecting rod (73), respectively. A slot (76) is provided on the upper side of the upper connecting rod (73), and the bottom end of the upper connecting rod (73) is inserted through the slot (76).

6. The method of using the fixing mechanism for shell processing according to claim 1, characterized in that: Before use, the height of the top of the adsorption rod (5) and the first longitudinal telescopic rod (4) should be adjusted to the corresponding height of the inner side of the molding shell (a). Then, the inner side of the molding shell (a) is covered by the four adsorption rods (5) and suspended. The four correction push plates (32) are located on the four sides of the inner side of the molding shell (a). Then, by controlling the rotation of the rotating tube (33), the rotating tube (33) pushes the four correction push plates (32) outward synchronously through the crank connecting rod (34) to slide outward and expand. This allows the molding shell (a) supported by the four adsorption rods (5) to be quickly corrected and positioned in the middle position. The outer side of the four correction push plates (32) is pressed and fixed against the four sides of the inner side of the molding shell (a). Then, the adsorption effect of the top of the adsorption rod (5) is used for secondary adsorption and fixation. Meanwhile, after the molded shell (a) is corrected and stabilized, the adsorption flipping frame (2) can be elastically raised and lowered under the action of the lifting component (7). When it rises, the upper side of the adsorption flipping frame (2) comes into contact with the edge plates on the front and rear sides of the molded shell (a), and the edge plates are adsorbed and fixed by the adsorption of the adsorption flipping frame (2). In this way, when the ring cutting knife enters from one side to ring cut the edge plates, both the molded shell (a) and the edge plates can remain stable. After the ring cutting is completed, the edge plates will be lifted, and the lifting component (7) will be lowered appropriately to fully separate the ring-cut edge plates from the molded shell (a) so that the molded shell (a) can be taken out. After the molded shell (a) is taken out, the adsorbed edge plates can be flipped to one side by the adsorption flipping frame (2) so that the edge plates can slide down to one side of the stacking area quickly and be quickly reset to wait for the next ring cutting operation.

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