An arc-shaped door sealing connection structure for a vacuum ring mold device

Abstract

The application relates to a sealing connection structure of an arc-shaped door for a vacuum ring mold device, and relates to the field of vacuum ring mold devices. The sealing connection structure comprises a vacuum tank, an arc-shaped door and a sliding mechanism. The vacuum tank is provided in a barrel-shaped structure. A feeding port is arranged on the vacuum tank. The feeding port is arranged at the middle part of the vacuum tank. An arc surface flange is arranged on the vacuum tank. The center of the arc line of the arc surface flange is coincident with the center of the vacuum tank. The arc surface flange is attached to the arc-shaped door. The arc-shaped door is detachably connected with the arc surface flange. The sliding mechanism is installed on the outer wall of the vacuum tank. The sliding mechanism is connected with the outer side of the arc-shaped door. The arc-shaped door slides along the circumferential direction of the vacuum tank on the vacuum tank through the sliding mechanism. The application has the effect of reducing the space of the moving door body.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vacuum ring mold equipment, in particular to an arc-shaped door sealing connection structure for vacuum ring mold equipment. BACKGROUND

[0002] The vacuum ring mold equipment is used for simulating a vacuum environment, and a vacuum environment is generated in the vacuum ring mold equipment to achieve a test purpose.

[0003] The related vacuum ring mold equipment includes a vacuum tank, and a feeding port is formed in the vacuum tank, and a user puts a test piece into the vacuum tank through the feeding port. A door body is detachably connected to the vacuum tank, and the door body is used to block the feeding port of the vacuum tank, so that a closed environment is formed in the vacuum tank, and a vacuum environment is achieved by pumping air out of the vacuum tank.

[0004] The related technical solutions in the above have the following defects: Since a test piece with a large volume needs to be put into the vacuum tank, the feeding port and the door body on the vacuum tank are relatively large in size, and when the door body is disconnected from the vacuum tank, a large space is required to move the door body, and the space requirement is high. SUMMARY

[0005] In order to reduce the space required to move the door body, the present application provides an arc-shaped door sealing connection structure for vacuum ring mold equipment.

[0006] The present application provides a technical solution as follows:

[0007] An arc-shaped door sealing connection structure for vacuum ring mold equipment includes a vacuum tank, an arc-shaped door, and a sliding mechanism. The vacuum tank is provided in a cylindrical structure, a feeding port is formed in the middle of the vacuum tank, and an arc flange is provided on the vacuum tank. The center of the arc line of the arc flange coincides with the center of the vacuum tank. The arc flange is attached to the arc-shaped door, and the arc-shaped door is detachably connected to the arc flange. The sliding mechanism is installed on the outer wall of the vacuum tank, and the sliding mechanism is connected to the outer side of the arc-shaped door. The arc-shaped door slides on the vacuum tank along the circumferential direction of the vacuum tank through the sliding mechanism.

[0008] By adopting the above technical solution, the arc-shaped door is connected to the vacuum tank through the sliding mechanism, and the user can horizontally slide the arc-shaped door through the sliding mechanism when opening and closing the arc-shaped door. The arc-shaped door can be attached to the outer wall of the vacuum tank after being opened, so that the space occupied by the opened arc-shaped door is small. The vacuum tank can be placed in a small space and used. By connecting the sliding mechanism and the arc-shaped door, the sliding arc-shaped door is always connected to the vacuum tank, and the arc-shaped door does not need to be lifted by a crane when being opened and closed, which is convenient to use and reduces the space required to move the door body.

[0009] Optionally, the arc-shaped door is provided with two sliding mechanisms, the sliding mechanism comprises an arc-shaped rail and a sliding block one, the arc-shaped rail is an arc of advantage, the arc-shaped rail is horizontally arranged outside the vacuum tank, the sliding block one is an arc-shaped block structure, the sliding block one is slidingly connected in the arc-shaped rail, and the sliding block one is connected with the outer side of the arc-shaped door.

[0010] By adopting the above technical scheme, the arc-shaped rail is arranged on the vacuum tank, the sliding block one is slidingly connected on the arc-shaped rail, the arc-shaped door is connected on the sliding block one, and the arc-shaped door can be slidingly connected on the vacuum tank.

[0011] Optionally, the arc-shaped flange and the arc-shaped door are provided with sealing rings, the sealing ring is a frame structure and surrounds the feeding port.

[0012] By adopting the above technical scheme, the sealing ring can abut and deform when the arc-shaped door is attached to the arc-shaped flange, and the sealing effect of the arc-shaped flange and the arc-shaped door is better when they are connected.

[0013] Optionally, the sliding block one is rotatably connected with a rocker arm, and one end of the rocker arm, away from the sliding block one, is rotatably connected to the outer side of the arc-shaped door.

[0014] By adopting the above technical scheme, the rocker arm is arranged on the sliding block one, and the rocker arm is rotatably connected with the sliding block one. When the arc-shaped flange and the arc-shaped door are disconnected, the user can move the arc-shaped door away from the arc-shaped flange through the rocker arm, so that the sealing ring on the arc-shaped flange and the arc-shaped door is disconnected, thereby reducing the friction of the arc-shaped door sliding on the vacuum tank, and making the sliding process of the arc-shaped door more labor-saving.

[0015] Optionally, the rocker arm is slidingly connected to a rotating shaft, the sliding block one is provided with a lifting piece, the lifting piece comprises a jack and an abutting wheel, the jack is vertically arranged on the sliding block one, the abutting wheel is rotatably connected to the piston rod of the jack, the abutting wheel is used for abutting on the rocker arm, and the length direction of the abutting wheel is tangent to the vacuum tank.

[0016] By adopting the above technical scheme, the lifting piece is arranged on the sliding block one, the user can control the lifting of the jack, and the jack is arranged on the rocker arm, so that the vertical movement of the arc-shaped door is adjusted. When the weight of the arc-shaped door is large, the user can adjust the position of the arc-shaped door through the lifting piece. The abutting wheel is arranged on the jack, the jack is slidingly connected with the arc-shaped door through the abutting wheel, and the friction between the jack and the arc-shaped door is reduced, thereby facilitating the user to move the arc-shaped door.

[0017] Optionally, the arc-shaped rail is provided with a clamping mechanism, the clamping mechanism comprises a second sliding block, a mounting plate and a sliding rod, the second sliding block is slidingly connected in the arc-shaped rail, one end of the mounting plate is connected to the second sliding block, the other end of the mounting plate is located outside the arc-shaped door, the sliding rod is connected to the mounting plate, and the sliding rod is used for being connected with the arc-shaped door and abutting against the outer side surface of the arc-shaped door.

[0018] By adopting the above technical scheme, the clamping mechanism is arranged on the arc-shaped rail, the sliding rod is arranged on the mounting plate, the sliding rod slides on the vacuum tank through the second sliding block, and the sliding rod can abut against the arc-shaped door, so that the probability that the arc-shaped door is rotated through the rocker arm is reduced, and the probability that the arc-shaped door is moved and collides with other equipment when a user moves the arc-shaped door is reduced.

[0019] Optionally, the sliding rod is slidingly connected with the mounting plate, two convex circles are arranged on the sliding rod, the convex circles are located on the two sides of the mounting plate respectively, the convex circles are used for being clamped on the mounting plate, one end of the sliding rod close to the arc-shaped door is provided with a connecting piece, and the connecting piece is detachably connected with the arc-shaped door.

[0020] By adopting the above technical scheme, the convex circles are arranged on the sliding rod, the sliding rod is slidingly connected with the mounting plate, a user can slide the sliding rod, the sliding rod always abuts against the arc-shaped door, the convex circles are clamped on the two sides of the mounting plate, the effect that the sliding rod is connected to the mounting plate is achieved, the connecting piece is arranged on the sliding rod, the connecting piece can be a magnet or a suction cup, when the connecting piece is connected with the arc-shaped door, the sliding rod can slide on the vacuum tank along with the arc-shaped door when the arc-shaped door is slid, and the probability that the arc-shaped door is rotated through the rocker arm and collides with other equipment is reduced.

[0021] Optionally, the vacuum tank is provided with a clamping mechanism, the clamping mechanism comprises a plurality of hooks and a connecting rod, the connecting rod is vertically arranged on the arc-shaped rail, the hooks are arranged at intervals along the length direction of the connecting rod, the hooks are rotationally connected to the connecting rod, a torsion spring is arranged at the connection position of the hook and the connecting rod, the torsion spring is used for resetting the hook after the hook is rotated, the hook comprises a connecting portion and a clamping portion, the connecting portion and the clamping portion are rod-shaped structures, the connecting portion and the clamping portion are connected, the included angle between the connecting portion and the clamping portion is an acute angle, the arc-shaped door is used for sliding and driving the clamping portion, and the clamping portion is used for being inserted into a through hole of the arc-shaped door.

[0022] By adopting the above technical scheme, the hooks are arranged on the connecting rod, the included angle between the connecting portion and the clamping portion is an acute angle, when the arc-shaped door slides and abuts against the clamping portion, the hook can be rotated, the clamping portion is automatically inserted into the through hole of the arc-shaped door, the clamping mechanism is automatically clamped with the arc-shaped door, and the probability that the arc-shaped door is slid and collides with the vacuum ring mold equipment when a user puts the vacuum ring mold equipment into the vacuum tank is reduced.

[0023] In summary, the beneficial technical effects of the present application are as follows:

[0024] 1. The arc-shaped door is connected to the vacuum tank through a sliding mechanism by setting the arc-shaped door on the vacuum tank, and the user can horizontally slide the arc-shaped door through the sliding mechanism when opening and closing the arc-shaped door, so that the arc-shaped door can be attached to the outer wall of the vacuum tank after being opened, thereby reducing the space occupied by the opened arc-shaped door, and the vacuum tank can be set in a smaller space and used. By connecting the sliding mechanism with the arc-shaped door, the sliding arc-shaped door is always connected with the vacuum tank, and the arc-shaped door does not need to be lifted by a crane when opening and closing, which is convenient to use and reduces the space required by the moving door body.

[0025] 2. The connecting piece is arranged on the sliding rod, and the connecting piece can be selected from a magnet or a suction cup. When the connecting piece is connected with the arc-shaped door, the sliding rod can slide with the arc-shaped door on the vacuum tank when the arc-shaped door is sliding, thereby reducing the probability that the arc-shaped door is rotated by the rocker arm and hits other equipment.

[0026] 3. The rope is arranged on the vacuum tank, and the rope can be connected to the arc-shaped door through a hook. When the user opens the arc-shaped door, the arc-shaped door can be fixed through the rope, and when the user puts the equipment into the vacuum tank, the probability that the arc-shaped door slides and hits the equipment can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application.

[0028] Figure 2 It is a schematic diagram of the structure of the vacuum tank of the embodiment of the application.

[0029] Figure 3 It is Figure 2 the enlarged view of part A in

[0030] Figure 4 It is a schematic diagram of the structure of the sliding mechanism of the embodiment of the application.

[0031] Figure 5 It is a schematic diagram of the structure of the clamping mechanism of the embodiment of the application.

[0032] Figure 6 It is a schematic diagram of the structure of the hook of the embodiment of the application.

[0033] The drawings show that: 1, vacuum tank; 11, feed inlet; 111, arc flange; 2, arc-shaped door; 3, sliding mechanism; 31, arc-shaped rail; 32, sliding block one; 321, rocker arm; 322, shaft seat; 33, rotating shaft; 34, lifting piece; 341, jack; 342, abutting wheel; 4, clamping mechanism; 41, sliding block two; 42, mounting plate; 43, sliding rod; 44, convex circle; 45, connecting piece; 5, clamping mechanism; 51, hook; 511, connecting part; 512, clamping part; 52, connecting rod. DETAILED DESCRIPTION

[0034] The application will be further described in detail below with reference to the accompanying drawings.

[0035] The embodiment of the application discloses an arc-shaped door sealing connection structure for a vacuum ring mold equipment, referring to Figure 1 and Figure 2 , comprising a vacuum tank 1, an arc-shaped door 2 and a sliding mechanism 3, the vacuum tank 1 is a cylindrical barrel structure, the vacuum tank 1 is vertically arranged on the ground, a feeding port 11 is arranged in the middle of the vacuum tank 1, and a user puts a test piece into the vacuum tank 1 through the feeding port 11. The arc-shaped door 2 is detachably connected to the vacuum tank 1, and the arc-shaped door 2 is used for plugging the feeding port 11 of the vacuum tank 1, so that a sealed environment is formed in the vacuum tank 1. The sliding mechanism 3 is installed on the outer wall of the vacuum tank 1, the sliding mechanism 3 is connected with the arc-shaped door 2, the arc-shaped door 2 can move along the circumference of the vacuum tank 1 on the outer wall of the vacuum tank 1 through the sliding mechanism 3, and then the arc-shaped door 2 can be attached to the outer wall of the vacuum tank 1 away from the feeding port 11. The sliding mechanism 3 plays a role in supporting and connecting the arc-shaped door 2 in the process of moving the arc-shaped door 2, so that the process of moving the arc-shaped door 2 is convenient and fast, the space occupied by the work is reduced, and the work of opening the arc-shaped door 2 can be completed in a narrow space.

[0036] Referring to Figure 1 and Figure 2 , the arc-shaped flange 111 is arranged on the vacuum tank 1, the arc-shaped flange 111 is communicated with the feeding port 11, and the arc-shaped flange 111 extends out of the vacuum tank 1. An arc surface is arranged on the arc-shaped flange 111, and the center of the arc line of the arc surface coincides with the center of the vacuum tank 1. The center of the arc line of the arc-shaped door 2 coincides with the center of the arc surface of the arc-shaped flange 111, and the arc surface of the arc-shaped flange 111 is used for being attached to the arc-shaped door 2. A plurality of through holes are arranged on the arc-shaped flange 111, a plurality of through holes are arranged on the arc-shaped door 2, the through holes of the arc-shaped flange 111 correspond to the through holes of the arc-shaped door 2 in a one-to-one manner, and the arc-shaped flange 111 and the arc-shaped door 2 are detachably connected through bolts.

[0037] Referring to Figure 3 and Figure 4 , the sliding mechanism 3 is arranged on the upper side and the lower side of the arc-shaped door 2, the sliding mechanism 3 comprises an arc-shaped rail 31 and a sliding block 32, the arc-shaped rail 31 is an arc line, and the arc-shaped rail 31 is horizontally arranged and installed on the outer wall of the vacuum tank 1. The sliding block 32 is an arc-shaped block structure, the sliding block 32 is embedded in the arc-shaped rail 31 and is in sliding connection with the arc-shaped rail 31. The sliding block 32 is connected with the arc-shaped door 2, and the arc-shaped door 2 slides along the circumferential direction of the outer wall of the vacuum tank 1 through the sliding mechanism 3. After the vacuum tank 1 is disconnected with the arc-shaped door 2, the user can expose the feeding port 11 of the vacuum tank 1 by sliding the arc-shaped door 2, the space occupied by the process of removing the arc-shaped door 2 is small, a crane is not needed, and the user can conveniently move the arc-shaped door 2 which is heavy in weight.

[0038] Referring toFigure 4 The slider one 32 is provided with a rotating shaft 33 vertically arranged, the upper end of the rotating shaft 33 is connected with the slider one 32 of one sliding mechanism 3, and the lower end is connected with the slider one 32 of another sliding mechanism 3. A plurality of rocker arms 321 are rotationally connected on the rotating shaft 33, one end of the rocker arm 321 is rotationally connected on the slider one 32, and the other end is rotationally connected with a shaft seat 322 fixedly connected on the surface of the arc-shaped door 2 away from the vacuum tank 1. The user can adjust the distance between the arc-shaped door 2 and the arc flange 111 through the rocker arm 321.

[0039] Referring to Figure 4 The rocker arm 321 is slidingly connected on the rotating shaft 33, and the rocker arm 321 can reciprocate along the length direction of the rotating shaft 33. The user can vertically slide the arc-shaped door 2 through the rocker arm 321, so that the arc-shaped door 2 can be attached to the arc flange 111, and the through hole of the arc-shaped door 2 corresponds to the through hole of the arc flange 111.

[0040] Referring to Figure 3 And Figure 4 The slider one 32 is provided with a lifting piece 34 for lifting the rocker arm 321 and adjusting the vertical height of the arc-shaped door 2. The lifting piece 34 includes a jack 341 and an abutting wheel 342, the jack 341 is vertically arranged on the slider one 32, and the jack 341 can be a foot-operated jack. The abutting wheel 342 is rotationally connected on the piston rod of the jack 341, and the length direction of the abutting wheel 342 is tangent to the circumference of the vacuum tank 1. The abutting wheel 342 is used for abutting on the rocker arm 321. After the jack 341 lifts the arc-shaped door 2, the user can push the arc-shaped door 2 towards the arc flange 111, and the abutting wheel 342 is used to reduce the friction between the lifting piece 34 and the rocker arm 321, so as to facilitate the user to push the arc-shaped door 2.

[0041] Referring to Figure 1 The arc flange 111 and the arc-shaped door 2 are provided with sealing rings, the sealing ring is a frame structure, and the sealing ring is arranged around the feeding port 11. When the arc-shaped door 2 moves to be attached to the arc flange 111, the sealing ring is deformed and abuts against each other, so that the sealing performance of the arc-shaped door 2 connected to the vacuum tank 1 is better. After the arc-shaped door 2 is disconnected from the vacuum tank 1, the user first moves the arc-shaped door 2 to disconnect the sealing ring on the arc-shaped door 2 from the sealing ring of the arc flange 111, and then slides the arc-shaped door 2, which can reduce the friction between the arc-shaped door 2 and the arc flange 111, and then facilitate the user to move the arc-shaped door 2.

[0042] Referring to Figure 5The arc-shaped rail 31 is provided with a clamping mechanism 4. The clamping mechanism 4 comprises a sliding block two 41, a mounting plate 42 and a sliding rod 43. The sliding block two 41 is slidably connected to the arc-shaped rail 31. The mounting plate 42 is connected to the sliding block two 41. One side of the mounting plate 42 is connected to the sliding block two 41, and the other end extends to the outside of the arc-shaped door 2. The sliding rod 43 penetrates through the mounting plate 42 and is slidably connected to the mounting plate 42. The sliding rod 43 is used for sliding and abutting against the arc-shaped door 2. Two convex circles 44 are arranged on the sliding rod 43 and are located on both sides of the mounting plate 42. The convex circles 44 are used for clamping the mounting plate 42. A connecting piece 45 is arranged on one end of the sliding rod 43 close to the arc-shaped door 2. The connecting piece 45 can be a magnet or a suction cup. The connecting piece 45 is used for connecting to the outside of the arc-shaped door 2. When the arc-shaped door 2 slides on the vacuum tank 1, the arc-shaped door 2 can rotate and abut against the connecting piece 45, so that the arc-shaped door 2 can rotate while being attached to the outside of the vacuum tank 1, thereby reducing the probability of the arc-shaped door 2 rotating outward and making the sliding process of the arc-shaped door 2 convenient and fast. The user can make the sliding rod 43 and the arc-shaped door 2 disengage by sliding the sliding rod 43, and make the sliding block two 41 move away from the arc-shaped door 2 by sliding the sliding block two 41, so that the arc-shaped door 2 can rotate. The user can arrange the side of the arc-shaped door 2 on which the sealing ring is arranged to face outward, thereby facilitating the user to clean the arc-shaped door 2 and replace the sealing ring.

[0043] With reference to Figure 4 and Figure 6 , the vacuum tank 1 is provided with a clamping mechanism 5. The clamping mechanism 5 comprises a plurality of hooks 51 and a connecting rod 52. The connecting rod 52 is vertically fixed on one side of the arc-shaped rail 31 away from the arc flange 111. The upper end of the connecting rod 52 is connected to one arc-shaped rail 31, and the lower end is fixed to another arc-shaped rail 31. The hook 51 is rotatably connected to the connecting rod 52. A torsional spring is arranged at the connection between the hook 51 and the connecting rod 52. The torsional spring is used for resetting the hook 51 after rotation. The hook 51 comprises a connecting part 511 and a clamping part 512. The connecting part 511 and the clamping part 512 are rod-shaped structures. The connecting part 511 is connected to the clamping part 512. The included angle between the connecting part 511 and the clamping part 512 is an acute angle. The end of the clamping part 512 away from the connecting part 511 is rotatably connected to the connecting rod 52. When the user slides the arc-shaped door 2, the arc-shaped door 2 can abut against the clamping part 512, thereby making the hook 51 rotate. With the sliding of the arc-shaped door 2, the clamping part 512 can be inserted into the through hole of the arc-shaped door 2, thereby making the hook 51 connected to the arc-shaped door 2. During the process of placing the raw material to be processed into the vacuum tank 1, the user can reduce the probability of the arc-shaped door 2 sliding and hitting the user, thereby improving the work safety.

[0044] The implementation principle of the embodiment of the application is that: the arc flange 111 is arranged on the vacuum tank 1, so that the arc-shaped door 2 can be attached to the arc flange 111; the sliding mechanism 3 is arranged on the vacuum tank 1, so that the arc-shaped door 2 can slide on the outer wall of the vacuum tank 1 through the arc-shaped rail 31, which facilitates the user to move the arc-shaped door 2 and place the test piece in the vacuum tank 1; the clamping mechanism 4 is arranged on the arc-shaped rail 31, so that the clamping mechanism 4 can abut against the arc-shaped door 2, thereby reducing the probability of swinging of the arc-shaped door 2 and damaging other equipment.

[0045] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. An arc-shaped door sealing connection structure for a vacuum ring mold device, characterized in that: The system includes a vacuum tank (1), an arc-shaped door (2), and a sliding mechanism (3). The vacuum tank (1) is cylindrical in shape and has an inlet (11) located in the middle of the vacuum tank (1). An arc-shaped flange (111) is provided on the vacuum tank (1), with the center of the arc formed by the arc-shaped flange (111) coinciding with the center of the vacuum tank (1). The arc-shaped flange (111) is fitted to the arc-shaped door (2), and the arc-shaped door (2) is detachably connected to the arc-shaped flange (111). The sliding mechanism (3) is installed on the outer wall of the vacuum tank (1) and is connected to the outer side of the arc-shaped door (2). The arc-shaped door (2) slides along the circumference of the vacuum tank (1) via the sliding mechanism (3). Two sliding mechanisms (3) are provided on the arc-shaped door (2). The device includes an arc-shaped rail (31) and a slider (32). The arc shape of the arc-shaped rail (31) is a superior arc. The arc-shaped rail (31) is horizontally set on the outside of the vacuum tank (1). The slider (32) is an arc-shaped block structure. The slider (32) is slidably connected in the arc-shaped rail (31). The slider (32) is connected to the outer side of the arc-shaped door (2). The arc-shaped rail (31) is provided with a locking mechanism (4). The locking mechanism (4) includes a slider (41), a mounting plate (42), and a sliding rod (43). The slider (41) is slidably connected in the arc-shaped rail (31). One end of the mounting plate (42) is connected to the slider (41), and the other end is located on the outside of the arc-shaped door (2). The sliding rod (43) is connected to the mounting plate (42). The sliding rod (43) is used to connect with the arc-shaped door (2) and abut against the outer side of the arc-shaped door (2).

2. The arc-shaped door sealing connection structure for a vacuum ring mold equipment according to claim 1, characterized in that: The arc-shaped flange (111) and the arc-shaped door (2) are provided with sealing rings. The sealing rings are frame-shaped structures and surround the feed inlet (11).

3. The arc-shaped door sealing connection structure for a vacuum ring mold device according to claim 2, characterized in that: A rotating shaft (33) is provided on the slider (32), and a rocker arm (321) is rotatably connected to the rotating shaft (33). One end of the rocker arm (321) away from the slider (32) is rotatably connected to the outer surface of the arc-shaped door (2).

4. The arc-shaped door sealing connection structure for a vacuum ring mold device according to claim 3, characterized in that: The rocker arm (321) is slidably connected to the rotating shaft (33). A lifting component (34) is provided on the slider (32). The lifting component (34) includes a jack (341) and an abutment wheel (342). The jack (341) is vertically mounted on the slider (32). The abutment wheel (342) is rotatably connected to the piston rod of the jack (341). The abutment wheel (342) is used to abut against the rocker arm (321). The length direction of the abutment wheel (342) is tangent to the vacuum tank (1).

5. The arc-shaped door sealing connection structure for a vacuum ring mold device according to claim 1, characterized in that: The slide rod (43) is slidably connected to the mounting plate (42). The slide rod (43) is provided with two convex circles (44), which are located on both sides of the mounting plate (42). The convex circles (44) are used to be locked on the mounting plate (42). A connector (45) is provided on one end of the slide rod (43) near the arc-shaped door (2). The connector (45) is detachably connected to the arc-shaped door (2).

6. The arc-shaped door sealing connection structure for a vacuum ring mold device according to claim 1, characterized in that: The vacuum tank (1) is provided with a snap-fit ​​mechanism (5). The snap-fit ​​mechanism (5) includes multiple hooks (51) and connecting rods (52). The connecting rods (52) are vertically arranged on the arc-shaped rail (31). The hooks (51) are spaced apart along the length of the connecting rods (52). The hooks (51) are rotatably connected to the connecting rods (52). A torsion spring is provided at the connection between the hooks (51) and the connecting rods (52). The torsion spring is used to reset the hooks (51) after rotation. The hooks (51) include a connecting part (511) and a snap-fit ​​part (512). The connecting part (511) and the snap-fit ​​part (512) are rod-shaped structures. The connecting part (511) and the snap-fit ​​part (512) are connected. The included angle between the connecting part (511) and the snap-fit ​​part (512) is an acute angle. The arc-shaped door (2) is used to slide and push the snap-fit ​​part (512). The snap-fit ​​part (512) is used to insert into the through hole of the arc-shaped door (2).

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