Periodic vacuumizing chamber

Abstract

The utility model discloses a periodic vacuumizing chamber which comprises a connecting box body, openings are formed in the middles of the left side and the right side of the connecting box body, sealing frames are arranged on one sides of the two openings, an air bag valve is connected to the upper end of the connecting box body, a U-shaped support is arranged at the upper end of the left side of the connecting box body, and a connecting frame is arranged on the right side of the connecting box body. The upper end of the U-shaped support and the upper end of the connecting frame are each provided with an up-down driving assembly, the two up-down driving assemblies are each provided with a sealing door, the sealing doors correspond to the sealing frame, the left side and the right side of the connecting box are each provided with a supporting base for supporting the corresponding sealing door, and the supporting bases are located at the lower end of an opening of the connecting box. The sealing problem of the periodical vacuumizing bin can be effectively solved, meanwhile, the sealing door can be conveniently opened and closed, the bin door can be opened and closed through one set of air cylinder, meanwhile, the pressing and sealing effects are achieved, corresponding control processes, valves and air cylinders are reduced, and efficiency and reliability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flammable material production, in particular to a periodic vacuum chamber. Background Art

[0002] When processing flammable materials, they need to be heated at high temperature. If oxygen in the air enters the equipment during heating, it will cause the high-temperature baked materials to explode. Therefore, holes interconnected with the outside world should be arranged as few as possible. During the existing heating, the materials are first placed into the heating furnace, and then the interior of the heating furnace is sealed, and then the interior is evacuated. Continuous processing is not possible, so the heating efficiency is slow. For this purpose, a periodic vacuum chamber is provided, so that the heating furnace can perform continuous heating processing. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a periodic vacuum chamber with a simple structure and easy operation. The sealing problem of the periodic vacuum chamber can be effectively solved, and the sealing door can be conveniently opened and closed. A set of cylinders can be used to open and close the door and achieve the effect of compression and sealing, which reduces the corresponding control process, valves, and cylinders, improves efficiency and reliability, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a periodic vacuum chamber, comprising a connecting box body, openings are provided in the middle of the left and right sides of the connecting box body, and a sealing frame is provided on one side of the two openings, an upper end of the connecting box body is connected to an air bag valve member, and a U-shaped bracket is provided at the upper left end of the connecting box body, a connecting frame is provided on the right side of the connecting box body, an upper and lower driving assembly is provided at the upper ends of the U-shaped bracket and the connecting frame, and sealing doors are provided on the two upper and lower driving assemblies, and the sealing doors correspond to the sealing frames, a supporting base for supporting the sealing door is provided on the left and right sides of the connecting box body, and the supporting base is located at the lower end of the opening of the connecting box body, a horizontal conveying member is provided in the middle of the interior of the connecting box body, a vacuum pumping assembly for vacuuming the interior of the connecting box body is provided at the upper end of the connecting box body, and an inert gas station is connected to one side of the connecting box body through a conduit.

[0005] Furthermore, the vacuum assembly includes a rubber vacuum hose connected to the connecting box, the outlet of the rubber vacuum hose is connected to the inlet of the vacuum pump, and the interior of the connecting box can be vacuumed through the vacuum pump and the rubber vacuum hose.

[0006] Furthermore, the horizontal conveying member includes conveying shafts evenly arranged inside the connecting box body, and the conveying shafts are driven by sprockets and chains. A driving motor for driving the conveying shafts to rotate is provided on the outside of the connecting box body. The rotation of the driving motor can drive one conveying shaft to rotate, and the transmission of the sprockets and chains can drive other conveying shafts to rotate, so that the workpiece can be transported.

[0007] Furthermore, the up and down driving assembly includes a telescopic cylinder fixed on a connecting frame or a U-shaped bracket, and a supporting frame is fixed to the telescopic end of the telescopic cylinder.

[0008] Furthermore, the sealing door includes two rotating shafts rotatably connected to the support frame, two ear plates are fixed on each rotating shaft, and a door panel is connected between the ends of the ear plates away from the rotating shaft via a hinge seat. The support frame can be driven up and down by the extension and retraction of the telescopic cylinder, and the sealing door can be driven up and down by the up and down movement of the support frame. When the sealing door moves downward, the lower end of the door panel first contacts the upper surface of the support base, and then the support frame moves downward again, rotates through the rotating shaft and the ear plate, and then the door panel is pushed up when the ear plate rotates, and the door panel is tightly fitted with the rubber sealing ring on the sealing frame, so that the inside of the connection box can be closed.

[0009] Furthermore, the support base includes a triangular bracket fixed to one side of the connection box body, and a retaining frame is provided on the upper surface of the triangular bracket.

[0010] Furthermore, the sealing frame comprises a square frame integrally connected to the connection box body, a groove is provided on one side of the square frame, and a rubber sealing ring is provided inside the groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the support frame can be driven to move up and down by the telescopic cylinder, and the sealing door can be driven to move up and down by the support frame moving up and down, when the sealing door moves downward, the lower end of the door panel first contacts the upper surface of the support base, and then the support frame moves downward again, rotates through the rotating shaft and the ear plate, and then the door panel is pushed when the ear plate rotates, and the rubber sealing ring on the door panel and the sealing frame fits tightly, so that the inside of the connection box can be closed, a conveying rotating shaft can be driven to rotate by the rotation of the driving motor, and other conveying rotating shafts can be driven to rotate by the transmission of the sprocket and the chain, so that the workpiece can be transported, and the inside of the connection box can be supplemented with inert gas through the inert gas station. The periodic vacuum chamber has a simple structure and is easy to operate, which can effectively solve the sealing problem of the periodic vacuum chamber, and the sealing door can be conveniently opened and closed. A set of cylinders can be used to open and close the door and achieve the effect of compression and sealing, thereby reducing the corresponding control process, valves, and cylinders, and improving efficiency and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the horizontal conveyor of the utility model;

[0014] Figure 3 This is an enlarged structural diagram of point A of the utility model.

[0015] In the figure: 1 connecting box, 2 U-shaped bracket, 3 connecting frame, 4 sealing frame, 41 square frame, 42 rubber sealing ring, 5 upper and lower driving components, 51 telescopic cylinder, 52 supporting frame, 6 sealing door, 61 rotating shaft, 62 ear plate, 63 hinge seat, 64 door plate, 7 supporting base, 71 triangular bracket, 72 retaining frame, 8 horizontal conveying member, 81 conveying rotating shaft, 82 sprocket, chain, 83 driving motor, 9 vacuum assembly, 91 rubber vacuum hose, 92 vacuum pump, 10 inert gas station, 11 gas bag valve member. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3The utility model provides a technical solution: a periodic vacuum chamber, including a connecting box 1, the middle of the left and right sides of the connecting box 1 are both provided with openings, and one side of the two openings is provided with a sealing frame 4, the upper end of the connecting box 1 is connected with an air bag valve member 11, and the upper left end of the connecting box 1 is provided with a U-shaped bracket 2, the right side of the connecting box 1 is provided with a connecting frame 3, the upper ends of the U-shaped bracket 2 and the connecting frame 3 are each provided with an upper and lower driving assembly 5, the two upper and lower driving assemblies 5 are each provided with a sealing door 6, the sealing door 6 corresponds to the sealing frame 4, the left and right sides of the connecting box 1 are each provided with a supporting base 7 for supporting the sealing door 6, the supporting base 7 is located at the lower end of the opening of the connecting box 1, a horizontal conveying member 8 is provided in the middle of the interior of the connecting box 1, and the connecting box 1 The upper end of the connecting box 1 is provided with a vacuum pumping assembly 9 for evacuating the interior thereof, and one side of the connecting box 1 is connected to an inert gas station 10 through a conduit. The vacuum pumping assembly 9 includes a rubber vacuum hose 91 connected to the connecting box 1, and the outlet of the rubber vacuum hose 91 is connected to the inlet of a vacuum pump 92. The interior of the connecting box 1 can be vacuumed through the vacuum pump 92 and the rubber vacuum hose 91. The horizontal conveying member 8 includes conveying shafts 81 evenly arranged inside the connecting box 1, and the conveying shafts 81 are driven by sprockets and chains 82. The outer side of the connecting box 1 is provided with a driving motor 83 for driving the conveying shaft 81 to rotate. The rotation of the driving motor 83 can drive one conveying shaft 81 to rotate, and the transmission of the sprocket and chain 82 can drive other conveying shafts 81. 1 rotates, so that the workpiece can be transported, the up and down driving assembly 5 includes a telescopic cylinder 51 fixed on the connecting frame 3 or the U-shaped bracket 2, the telescopic end of the telescopic cylinder 51 is fixed with a support frame 52, the sealing door 6 includes two rotating shafts 61 rotatably connected to the support frame 52, each rotating shaft 61 is fixed with two ear plates 62, and the ear plate 62 is connected to the door plate 64 through a hinge seat 63 between the ends of the ear plate 62 away from the connection with the rotating shaft 61. The telescopic cylinder 51 can be extended and retracted to drive the support frame 52 to move up and down, and the support frame 52 can be moved up and down to drive the sealing door 6 to move up and down. When the sealing door 6 moves downward, the lower end of the door plate 64 first contacts the upper surface of the support base 7, and then the support frame 52 moves downward again, and the rotating shaft 61 and the ear plate 62 rotate, and then the ear plate 64 is rotated. 2 is rotated to push the door plate 64, and the door plate 64 is tightly fitted with the rubber sealing ring 42 on the sealing frame 4, so that the inside of the connection box 1 can be closed. The support base 7 includes a triangular bracket 71 fixed to one side of the connection box 1, and a retaining frame 72 is provided on the upper surface of the triangular bracket 71. The sealing frame 4 includes a square frame 41 integrally connected to the connection box 1, and a groove is provided on one side of the square frame 41. The inside of the groove is provided with a rubber sealing ring 42. The periodic vacuum chamber has a simple structure and is easy to operate. It can effectively solve the sealing problem of the periodic vacuum chamber. At the same time, the sealing door can be conveniently opened and closed. A set of cylinders can be used to open and close the door and achieve the effect of compression and sealing, thereby reducing the corresponding control process, valves, and cylinders.Improved efficiency and reliability.

[0018] When in use: the telescopic cylinder 51 is extended and retracted to drive the support frame 52 to move up and down, and the support frame 52 can drive the sealing door 6 to move up and down through the up and down movement of the support frame 52. When the sealing door 6 moves downward, the lower end of the door plate 64 first contacts the upper surface of the support base 7, and then the support frame 52 moves downward again, and rotates through the rotating shaft 61 and the ear plate 62. When the ear plate 62 rotates, the door plate 64 is pushed up, and the rubber sealing ring 42 on the sealing frame 4 is tightly fitted with the door plate 64, so that the inside of the connection box 1 can be closed, and a conveying shaft 81 can be driven to rotate by the rotation of the driving motor 83, and other conveying shafts 81 can be driven to rotate by the transmission of the sprocket and chain 82, so that the workpiece can be transported, and the inside of the connection box 1 can be supplemented with inert gas through the inert gas station 10. During processing, the workpiece is first conveyed to the upper surface of the horizontal conveying member 8, and then the openings on both sides of the connecting box 1 are closed by the door panels 64 on both sides, and then the interior of the connecting box 1 can be evacuated by the vacuum assembly 9, and then the interior of the connecting box 1 can be supplemented with inert gas by the inert gas station 10. After the inert gas is supplemented, the opening on the right side of the connecting box 1 is opened by the door panel 64 on the right, and then the workpiece is conveyed to the interior of the heating furnace by the horizontal conveying member 8 to prevent air from entering the interior of the heating furnace and causing oxidation of the workpiece. After the workpiece is conveyed to the interior of the heating furnace, the right door panel 64 is then closed to the right side of the connecting box 1, and then the left door panel 64 is opened, and then a new workpiece is conveyed into the interior of the connecting box 1, so as to periodically convey the workpiece.

[0019] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A periodic vacuum chamber, comprising a connection box (1), characterized in that: The connecting box (1) is provided with an opening in the middle of the left and right sides, and a sealing frame (4) is provided on one side of the two openings. The upper end of the connecting box (1) is connected to an air bag valve member (11), and a U-shaped bracket (2) is provided on the upper left end of the connecting box (1). The right side of the connecting box (1) is provided with a connecting frame (3). The upper ends of the U-shaped bracket (2) and the connecting frame (3) are provided with an up-and-down driving assembly (5). The two up-and-down driving assemblies (5) are provided with a sealing door (6), and the sealing door (6) corresponds to the sealing frame (4). The left and right sides of the connecting box (1) are provided with a supporting base (7) for supporting the sealing door (6), and the supporting base (7) is located at the lower end of the opening of the connecting box (1). A horizontal conveying member (8) is provided in the middle of the interior of the connecting box (1). The upper end of the connecting box (1) is provided with a vacuum pumping assembly (9) for vacuuming the interior thereof. One side of the connecting box (1) is connected to an inert gas station (10) via a conduit.

2. A periodic vacuum chamber according to claim 1, characterized in that: The vacuum pumping assembly (9) comprises a rubber vacuum hose (91) connected to the connection box (1), and the outlet of the rubber vacuum hose (91) is connected to the inlet of a vacuum pump (92).

3. A periodic vacuum chamber according to claim 1, characterized in that: The horizontal conveying member (8) comprises conveying rotating shafts (81) uniformly arranged inside the connecting box (1), the conveying rotating shafts (81) being driven by sprockets and chains (82), and a driving motor (83) for driving the conveying rotating shafts (81) to rotate is provided on the outside of the connecting box (1).

4. A periodic vacuum chamber according to claim 1, characterized in that: The up-and-down driving assembly (5) comprises a telescopic cylinder (51) fixed on a connection frame (3) or a U-shaped bracket (2), and a support frame (52) is fixed to the telescopic end of the telescopic cylinder (51).

5. A periodic vacuum chamber according to claim 4, characterized in that: The sealing door (6) comprises two rotating shafts (61) rotatably connected to the support frame (52), two ear plates (62) are fixed to each rotating shaft (61), and a door plate (64) is connected between the ends of the ear plates (62) away from the ends connected to the rotating shafts (61) via hinge seats (63).

6. A periodic vacuum chamber according to claim 1, characterized in that: The support base (7) comprises a triangular bracket (71) fixed to one side of the connection box body (1), and a retaining frame (72) is provided on the upper surface of the triangular bracket (71).

7. A periodic vacuum chamber according to claim 1, characterized in that: The sealing frame (4) comprises a square frame (41) integrally connected to the connection box body (1); a groove is provided on one side of the square frame (41); and a rubber sealing ring (42) is provided inside the groove.

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