Vacuum atmosphere carrier roller heat treatment furnace continuous production line for treating inflammable materials

Abstract

The vacuum atmosphere carrier roller heat treatment furnace continuous production line comprises a furnace body supporting base, a heating furnace body is arranged on the upper surface of the furnace body supporting base, a conveying piece is arranged in the middle of the heating furnace body, a water cooling device is arranged at the right end of the heating furnace body in a sealed connection mode, and a water outlet is formed in the right end of the water cooling device. A periodic vacuum chamber is connected to the left end of the heating furnace body in a sealed mode and 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, and a U-shaped support is arranged at the upper end of the left side of the connecting box body. The right side of the connecting box body is provided with a connecting frame, 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 structure is simple, operation is easy and convenient, materials are subjected to vacuum heating in a pulse mode, continuous machining can be achieved, and the machining speed is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of inflammable material processing, in particular to a continuous production line of a vacuum atmosphere roller heat treatment furnace for processing inflammable materials. 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. After heating, the materials need to be cooled. The existing production lines are intermittent during processing. During processing, the products are placed inside the processing furnace, then closed and vacuumed, and finally cooled naturally. Continuous production is not possible, resulting in slow production speed and failure to meet people's needs. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a continuous production line of a vacuum atmosphere roller heat treatment furnace for processing flammable materials. The structure is simple and the operation is easy. The material is vacuum heated in a pulse manner, so that continuous processing can be achieved, which makes the processing speed faster 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 continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials, comprising a furnace body support base, a heating furnace body is arranged on the upper surface of the furnace body support base, a conveying member is arranged in the middle of the heating furnace body, a water cooling device is arranged at the right end of the heating furnace body, a periodic vacuum chamber is sealed and connected to the left end of the heating furnace body, the periodic vacuum chamber comprises a connecting box body, openings are arranged in the middle of the left and right sides of the connecting box body, and sealing frames are arranged on one side of the two openings, an air bag valve is connected to the upper end of the connecting box body, and a U-shaped bracket is arranged at the upper left end of the connecting box body, a connecting frame is arranged on the right side of the connecting box body, an upper and lower driving assembly is arranged at the upper end of the U-shaped bracket and the connecting frame, and sealing doors are arranged on the two upper and lower driving assemblies, and the sealing doors correspond to the sealing frames, a supporting base for supporting the sealing doors is arranged at the left and right sides of the connecting box body, the supporting base is located at the lower end of the opening of the connecting box body, and a horizontal conveying member is arranged in the middle of the interior of the connecting box body, The upper end of the connecting box is provided with a vacuum assembly for evacuating the interior thereof, 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 a vacuum pump, one side of the connecting box is connected to an inert gas station through a conduit, and the right end of the water cooling device is sealed and connected to another periodic vacuum chamber, the furnace body support base and one side are provided with an out-of-furnace transfer assembly, the water cooling device includes a cooling box, the left and right sides of the cooling box are provided with openings, and connecting rings are fixed at the edges of the openings, connecting through holes are evenly provided on the connecting rings, the middle of the cooling box is evenly provided with conveying rollers connected through bearings, the inner upper end of the cooling box is evenly provided with water cooling assemblies, the water cooling assemblies are located above the conveying rollers, a sealing ring is provided between the conveying rollers and the cooling box, and the conveying rollers are located in the same horizontal plane, the top surface of the cooling box is provided with an exhaust assembly, the inner lower end of the cooling box is evenly provided with a nitrogen assembly, the four corners of the lower surface of the cooling box are fixed with supporting feet by bolts, and the lower end of the supporting feet is a conical structure.

[0005] Furthermore, the out-of-furnace transfer assembly includes a track fixed to one side of the furnace body support base, both ends of the track are L-shaped structures, and a self-driven transfer trolley is provided on the track.

[0006] Furthermore, the horizontal conveying member includes conveying shafts evenly arranged inside the connecting box body, the conveying shafts are driven by sprockets and chains, and a driving motor for driving the conveying shafts to rotate is provided on the outside of the connecting box body.

[0007] Furthermore, the up and down driving assembly includes a telescopic cylinder fixed on a connecting frame or a U-shaped bracket, the telescopic end of the telescopic cylinder is fixed with a support frame, and the sealed door includes two rotating shafts rotatably connected to the support frame, each rotating shaft is fixed with two ear plates, and the ear plate is connected to the door panel through a hinge seat between the ends of the ear plates away from the rotating shaft.

[0008] Furthermore, the support base includes a triangular bracket fixed to one side of the connecting box body, a baffle is provided on the upper surface of the triangular bracket, and the sealing frame includes a square frame integrally connected to the connecting box body, a groove is provided on one side of the square frame, and a rubber sealing ring is provided inside the groove.

[0009] Furthermore, the water cooling assembly includes two corresponding front and rear sealing flanges, an S-shaped heat exchange tube is arranged between the two sealing flanges, and the sealing flange is sealed and connected to the cooling box.

[0010] Furthermore, the nitrogen assembly includes a gas diffusion main pipe arranged inside the cooling box, the upper end of the gas diffusion main pipe is evenly provided with gas diffusion holes, the upper ends of the gas diffusion holes are all provided with gas diffusion short pipes opening upward, and one end of the gas diffusion main pipe located outside the cooling box is provided with a connecting valve.

[0011] Furthermore, the exhaust assembly includes an exhaust main pipe, the side of which is evenly provided with air inlets, and the air inlets are connected to the upper air outlet of the cooling box through an L-shaped air collecting pipe, a manual valve is provided on the L-shaped air collecting pipe, and the outlet of the exhaust main pipe is connected to an electromagnetic valve.

[0012] 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 extension and retraction of the telescopic cylinder, and the sealing door can be driven to move 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, and the rotating shaft and the ear plate rotate, and the door panel is pushed up 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, and a conveying shaft can be driven to rotate by the rotation of the driving motor, and other conveying shafts can be driven by the transmission of the sprocket and the chain. The feed shaft rotates to transport the workpiece, and the inert gas can be supplemented inside the connecting box through the inert gas station. In the heat treatment production line, the material just treated in the heat treatment furnace needs to be quickly changed from a high temperature state to a lower temperature to facilitate transportation; the non-oxidation and fast cooling process of the workpiece heated in the heat treatment production line can be achieved, the equipment footprint is reduced, and the efficiency is improved. The vacuum atmosphere roller heat treatment furnace continuous production line for treating flammable materials has a simple structure and is easy to operate. The material is vacuum heated by pulses, so that it can be processed continuously, making the processing speed faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the front structure of the water cooling device of the utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the water cooling device of the utility model;

[0017] Figure 5 This is a schematic diagram of the partial structure of the water cooling device of the utility model;

[0018] Figure 6 This is a schematic diagram of the structure of a periodic vacuum chamber of the utility model;

[0019] Figure 7 This is a schematic diagram of the partial structure of the periodic vacuum chamber of the utility model;

[0020] Figure 8 This is an enlarged structural diagram of the periodic vacuum chamber A of the utility model.

[0021] In the figure: 1 furnace body support base, 2 heating furnace body, 3 conveying member, 4 water cooling device, 41 cooling box, 42 connecting ring, 43 conveying roller, 44 water cooling assembly, 441 heat exchange tube, 442 sealing flange, 45 exhaust assembly, 451 exhaust main pipe, 452 L-type gas collecting pipe, 453 manual valve, 454 solenoid valve, 46 nitrogen assembly, 461 diffuser main pipe, 462 diffuser short pipe, 463 connecting valve, 47 supporting foot, 5 periodic vacuum chamber, 51 connecting box, 52 U-shaped bracket, 53 connecting frame, 54 sealing frame, 541 square frame, 542 rubber sealing ring, 55 upper and lower driving components, 551 telescopic cylinder, 552 supporting frame, 56 sealing door, 561 rotating shaft, 562 ear plate, 563 hinge seat, 564 door panel, 57 supporting base, 571 triangular bracket, 572 retaining frame, 58 horizontal conveying part, 581 conveying rotating shaft, 582 sprocket, chain, 583 driving motor, 59 vacuum assembly, 591 rubber vacuum hose, 592 vacuum pump, 510 inert gas station, 511 air bag valve, 6 out-of-furnace transfer assembly, 61 track, 62 transfer trolley. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-8 The utility model provides a technical solution: a continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials, comprising a furnace body support base 1, a heating furnace body 2 is arranged on the upper surface of the furnace body support base 1, a conveying member 3 is arranged in the middle of the heating furnace body 2, a water cooling device 4 is arranged at the right end of the heating furnace body 2, a periodic vacuum chamber 5 is sealed and connected to the left end of the heating furnace body 2, and the periodic vacuum chamber 5 comprises a connecting box 51, openings are arranged in the middle of the left and right sides of the connecting box 51, and a sealing frame 54 is arranged on one side of the two openings, and the upper end of the connecting box 51 is connected to There is an air bag valve member 511, and a U-shaped bracket 52 is provided at the upper left end of the connecting box body 51, and a connecting frame 53 is provided on the right side of the connecting box body 51. An upper and lower driving assembly 55 is provided on the upper ends of the U-shaped bracket 52 and the connecting frame 53. A sealing door 56 is provided on the two upper and lower driving assemblies 55. The sealing door 56 corresponds to the sealing frame 54. A supporting base 57 for supporting the sealing door 56 is provided on the left and right sides of the connecting box body 51. The supporting base 57 is located at the lower end of the opening of the connecting box body 51. A horizontal conveying member 58 is provided in the middle of the interior of the connecting box body 51. The upper The end of the water cooling device 4 is provided with a vacuum assembly 59 for evacuating the interior thereof, and the vacuum assembly 59 includes a rubber vacuum hose 591 connected to the connecting box 51, and the outlet of the rubber vacuum hose 591 is connected to the inlet of a vacuum pump 592. One side of the connecting box 51 is connected to an inert gas station 510 through a conduit, and the right end of the water cooling device 4 is sealed and connected to another periodic vacuum chamber 5. The furnace body support base 1 and one side are provided with an out-of-furnace transfer assembly 6. The water cooling device 4 includes a cooling box 41, and the left and right sides of the cooling box 41 are both provided with openings, and the edges of the openings are fixed with connecting rings 42, and the connection The ring 42 is evenly provided with connecting through holes, the middle of the cooling box 41 is evenly provided with a conveying roller 43 connected through a bearing, the upper end of the inner part of the cooling box 41 is evenly provided with a water cooling component 44, the water cooling component 44 is located above the conveying roller 43, a sealing ring is provided between the conveying roller 43 and the cooling box 41, the conveying roller 43 is located in the same horizontal plane, the top surface of the cooling box 41 is provided with an exhaust component 45, the lower end of the inner part of the cooling box 41 is evenly provided with a nitrogen component 46, the four corners of the lower surface of the cooling box 41 are fixed with supporting feet 47 by bolts, and the lower end of the supporting feet 47 is a conical structure.

[0024] The out-of-furnace transfer assembly 6 includes a track 61 fixed to one side of the furnace body support base 1 , both ends of the track 61 are L-shaped structures, and a self-driven transfer trolley 62 is provided on the track 61 .

[0025] The horizontal conveying member 58 includes conveying shafts 581 evenly arranged inside the connecting box 51 . The conveying shafts 581 are driven by sprockets and chains 582 . A driving motor 583 for driving the conveying shafts 581 to rotate is provided on the outer side of the connecting box 51 .

[0026] The up and down driving assembly 55 includes a telescopic cylinder 551 fixed on the connecting frame 53 or the U-shaped bracket 52, and the telescopic end of the telescopic cylinder 551 is fixed with a support frame 552. The sealing door 56 includes two rotating shafts 561 rotatably connected to the support frame 552, and each rotating shaft 561 is fixed with two ear plates 562. The ear plate 562 is connected to a door panel 564 through a hinge seat 563 at one end away from the rotating shaft 561.

[0027] The supporting base 57 comprises a triangular bracket 571 fixed to one side of the connecting box body 51, a retaining frame 572 is provided on the upper surface of the triangular bracket 571, and the sealing frame 54 comprises a square frame 541 integrally connected to the connecting box body 51, a groove is provided on one side of the square frame 541, and a rubber sealing ring 542 is provided inside the groove.

[0028] The water cooling assembly 44 includes two corresponding front and rear sealing flanges 442 , a heat exchange tube 441 with an S-shaped structure is arranged between the two sealing flanges 442 , and the sealing flange 442 is sealed and connected to the cooling box body 41 .

[0029] The nitrogen assembly 46 includes a gas diffusion main pipe 461 arranged inside the cooling box 41. The upper end of the gas diffusion main pipe 461 is evenly provided with gas diffusion holes. The upper ends of the gas diffusion holes are all provided with gas diffusion short pipes 462 opening upward. The end of the gas diffusion main pipe 461 located outside the cooling box 41 is provided with a connecting valve 463.

[0030] The exhaust assembly 45 includes an exhaust main pipe 451, the side of the exhaust main pipe 451 is evenly provided with air inlets, and the air inlets are connected to the upper air outlet of the cooling box 41 through an L-shaped air collecting pipe 452, the L-shaped air collecting pipe 452 is provided with a manual valve 453, and the outlet of the exhaust main pipe 451 is connected with an electromagnetic valve 454. The materials just processed in the heat treatment furnace need to be quickly changed from a high temperature state to a lower temperature to facilitate transportation; the non-oxidation and fast cooling process of the workpieces heated in the heat treatment production line can be realized, the equipment footprint can be reduced, and the efficiency can be improved. The continuous production line of the vacuum atmosphere roller heat treatment furnace for processing flammable materials has a simple structure and is easy to operate. The materials are vacuum heated in a pulsed manner, so that continuous processing can be performed, making the processing speed faster.

[0031] When in use: first, the furnace outer transfer component 6 moves the material tray into the periodic vacuum chamber 5 on the left side, and the telescopic cylinder 551 on the periodic vacuum chamber 5 is extended and retracted to drive the support frame 552 to move up and down, and the support frame 552 can drive the sealing door 56 to move up and down through the up and down movement of the support frame 552. When the sealing door 56 moves downward, the lower end of the door plate 564 first contacts the upper surface of the support base 57, and then the support frame 552 moves downward again, and rotates through the rotating shaft 561 and the ear plate 562. When the ear plate 562 rotates, the door plate 564 is pushed up, and the door plate 564 is tightly fitted with the rubber sealing ring 542 on the sealing frame 54, so that the internal sealing of the connection box 51 can be closed. , a conveying shaft 581 can be driven to rotate by driving the motor 583, and other conveying shafts 581 can be driven to rotate by the transmission of the sprocket and the chain 582, so that the workpiece can be transported, and the inert gas can be supplemented to the inside of the connecting box 51 through the inert gas station 510. During processing, the workpiece is first transported to the upper surface of the horizontal conveying member 58, and then the openings on both sides of the connecting box 51 are closed by the door panels 564 on both sides, and then the inside of the connecting box 51 can be evacuated by the vacuum assembly 59, and then the inside of the connecting box 51 can be supplemented with inert gas by the inert gas station 510. After the inert gas is supplemented, the right side The door panel 564 of the connecting box body 51 is opened, and then the workpiece is conveyed to the conveying member 3 on the heating furnace body 2 through the horizontal conveying member 58 to prevent air from entering 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 564 is closed on the right side of the connecting box body 51, and then the left door panel 564 is opened, and then a new workpiece is conveyed into the connecting box body 51 to periodically convey the workpiece, and the material is heated by the heating furnace body 2, and then it can be connected to the external sealing production line through the connecting ring 42 on the cooling box body 41, and then the corresponding number of water cooling components 44 are installed in the cooling box body 41. The raw materials can be transported through the conveying roller 43, the cooling water can be filled through the S-shaped heat exchange tube 441, the heated raw materials can be cooled through the heat exchange tube 441, and then the external nitrogen station is connected to the air inlet of the diffused gas main pipe 461, and the nitrogen can be evenly diffused into the interior of the cooling box 41 through the diffused gas short pipe 462, so as to protect the raw materials in the cooling box 41. While the air is being taken in, the gas inside the cooling box 41 can be introduced into the exhaust main pipe 451 through the L-shaped gas collecting pipe 452, and the residual air inside can be discharged through the exhaust main pipe 451, and finally the material is transported out through the periodic vacuum chamber 5 on the right.

[0032] 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 continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials, comprising a furnace body support base (1), characterized in that: A heating furnace body (2) is provided on the upper surface of the furnace body support base (1), a conveying member (3) is provided in the middle of the heating furnace body (2), a water cooling device (4) is provided at the right end of the heating furnace body (2), a periodic vacuum chamber (5) is sealed at the left end of the heating furnace body (2), the periodic vacuum chamber (5) comprises a connecting box (51), openings are provided in the middle of the left and right sides of the connecting box (51), and sealing frames (54) are provided on one side of the two openings, an air bag valve member (511) is connected to the upper end of the connecting box (51), a U-shaped bracket (52) is provided at the upper end of the left side of the connecting box (51), and a right side of the connecting box (51) is provided with a sealing frame (54). A connecting frame (53) is provided, and an upper and lower driving assembly (55) is provided at the upper ends of the U-shaped bracket (52) and the connecting frame (53), and a sealing door (56) is provided on each of the two upper and lower driving assemblies (55), and the sealing door (56) corresponds to the sealing frame (54). A support base (57) for supporting the sealing door (56) is provided on the left and right sides of the connecting box (51), and the support base (57) is located at the lower end of the opening of the connecting box (51). A horizontal conveying member (58) is provided in the middle of the interior of the connecting box (51), and a vacuuming assembly (59) for vacuuming the interior of the connecting box (51) is provided at the upper end of the connecting box (51). The vacuuming assembly (59) for vacuuming the interior of the connecting box (51) is provided. The empty assembly (59) comprises a rubber vacuum hose (591) connected to the connecting box (51), the outlet of the rubber vacuum hose (591) is connected to the inlet of the vacuum pump (592), one side of the connecting box (51) is connected to an inert gas station (510) via a conduit, and the right end of the water cooling device (4) is sealedly connected to another periodic vacuum chamber (5), the furnace body support base (1) and one side are provided with an out-of-furnace transfer assembly (6), the water cooling device (4) comprises a cooling box (41), the left and right sides of the cooling box (41) are provided with openings, and the edges of the openings are fixed with connecting rings (42), and the connecting rings (42) are evenly provided with connecting through holes, so that A conveying roller (43) connected via a bearing is evenly arranged in the middle of the cooling box (41), a water cooling assembly (44) is evenly arranged at the upper end of the interior of the cooling box (41), the water cooling assembly (44) is located above the conveying roller (43), a sealing ring is provided between the conveying roller (43) and the cooling box (41), the conveying roller (43) is located on the same horizontal plane, an exhaust assembly (45) is provided on the top surface of the cooling box (41), a nitrogen assembly (46) is evenly arranged at the lower end of the interior of the cooling box (41), and supporting feet (47) are fixed at four corners of the lower surface of the cooling box (41) by bolts, and the lower end of the supporting feet (47) is a conical structure.

2. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The out-of-furnace transfer assembly (6) comprises a track (61) fixed to one side of the furnace body support base (1), both ends of the track (61) are L-shaped structures, and a self-driven transfer trolley (62) is provided on the track (61).

3. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The horizontal conveying member (58) comprises conveying rotating shafts (581) uniformly arranged inside the connecting box (51), the conveying rotating shafts (581) being driven by sprockets and chains (582), and a driving motor (583) for driving the conveying rotating shafts (581) to rotate is provided on the outside of the connecting box (51).

4. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The up-and-down driving assembly (55) comprises a telescopic cylinder (551) fixed on a connection frame (53) or a U-shaped bracket (52); a support frame (552) is fixed to the telescopic end of the telescopic cylinder (551); the sealing door (56) comprises two rotating shafts (561) rotatably connected to the support frame (552); two ear plates (562) are fixed to each rotating shaft (561); and a door plate (564) is connected between the ends of the ear plates (562) away from the ends connected to the rotating shafts (561) via hinge seats (563).

5. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The support base (57) comprises a triangular bracket (571) fixed to one side of the connection box (51), a retaining frame (572) being provided on the upper surface of the triangular bracket (571), and the sealing frame (54) comprises a square frame (541) integrally connected to the connection box (51), a groove being provided on one side of the square frame (541), and a rubber sealing ring (542) being provided inside the groove.

6. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The water cooling assembly (44) comprises two front and rear corresponding sealing flanges (442), a heat exchange tube (441) with an S-shaped structure is arranged between the two sealing flanges (442), and the sealing flange (442) is sealedly connected to the cooling box (41).

7. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The nitrogen assembly (46) comprises a gas diffusion main pipe (461) arranged inside the cooling box (41); gas diffusion holes are evenly arranged at the upper end of the gas diffusion main pipe (461); gas diffusion short pipes (462) opening upward are arranged at the upper ends of the gas diffusion holes; and a connecting valve (463) is arranged at one end of the gas diffusion main pipe (461) located outside the cooling box (41).

8. The continuous production line of a vacuum atmosphere roller heat treatment furnace for treating flammable materials according to claim 1, characterized in that: The exhaust assembly (45) comprises an exhaust main pipe (451), the side of the exhaust main pipe (451) is evenly provided with air inlets, and the air inlets are connected to the upper air outlet of the cooling box (41) through an L-shaped air collecting pipe (452), the L-shaped air collecting pipe (452) is provided with a manual valve (453), and the outlet of the exhaust main pipe (451) is connected to an electromagnetic valve (454).

Images