Welding room for large workpieces

Abstract

According to the welding room for the large workpieces, hoisting of the welded workpieces is convenient and safe, a movable roof of the welding room operates stably, and a telescopic air opening is good in sealing effect during working and cannot interfere with the roof when being opened; a ground rail is arranged at the bottom of a wall body on one longitudinal side of the welding room body, a plurality of movable wall bodies located on the ground rail are arranged on the ground rail in a matched mode, a sky rail is arranged at the top of a wall body on the other longitudinal side of the welding room body, a movable top plate is correspondingly arranged between the sky rail and the top of each movable outer wall, and exhaust ducts are arranged on the movable top plates. One end of the exhaust duct is of an open structure, the other end of the exhaust duct is of a closed structure, and a plurality of exhaust outlets are formed in the lower side of the exhaust duct and communicate with an inner cavity of the welding room body; a plurality of air suction devices are arranged on the wall on the side where the sky rail is located and correspond to the exhaust ducts in number, telescopic air ducts are fixedly arranged at air suction openings of the air suction devices, and the telescopic air ducts can be attached to the opening structures of the corresponding exhaust ducts in a sealed mode; the device can be widely applied to the field of welding room dust removal.

Description

Technical Field

[0001] The invention relates to a welding room for large workpieces, belonging to the technical field of welding dust removal rooms. Background Art

[0002] The welding dust removal room is a kind of equipment specially used for dust removal during welding operation. It uses specific dust removal technology and equipment to effectively collect and treat pollutants such as smoke and harmful gases generated during welding, thereby protecting the health of workers, improving the working environment, and meeting environmental protection requirements.

[0003] The main form of existing welding dust removal rooms is that one or two sides are used as workpiece transportation channels, and the other sides are fixed construction rooms. This type of structure is very troublesome for placing large workpieces in the welding position. The side wall is used as a workpiece transportation channel, and tools such as rail cars are needed to assist in entering and exiting.

[0004] At present, some welding dust removal rooms use the side as a channel for transporting workpieces, but it is only suitable for small welding workpieces, and the welding operation in the welding dust removal room needs to be stopped when the welding workpiece enters and leaves the welding dust removal room, which affects the welding efficiency. Summary of the invention

[0005] The present invention overcomes the shortcomings of the prior art and provides a welding room for large workpieces. The welding workpieces can be hoisted conveniently and safely. The movable roof of the welding room can be split and operated stably without affecting the welding operations of other workstations. The telescopic air vent has a good sealing effect when working and will not interfere with the roof when opened.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: a welding room for large workpieces, comprising a welding room body, the welding room body is a closed rectangular parallelepiped structure, a ground rail is arranged at the bottom of a wall on one longitudinal side of the welding room body, a plurality of movable walls located on the ground rail are matched and arranged on the ground rail, and the movable outer wall can be moved on the ground rail to facilitate opening the welding room body; A ceiling rail is provided on the top of the wall on the other longitudinal side of the welding room body, and a movable top plate is correspondingly provided between the ceiling rail and the top of each movable outer wall, wherein the movable top plate is fixedly connected to the top of the movable outer wall, and the movable top plate is matched and movably connected to the ceiling rail, so that the movable top plate and the movable outer wall can move synchronously; The movable top plate is provided with an exhaust duct, one end of which is an open structure and the other end is a closed structure, and a plurality of exhaust ports are provided on the lower side of the exhaust duct, and the exhaust ports are all connected to the inner cavity of the welding room body; A plurality of air suction devices are provided on the wall on one side where the ceiling rail is located corresponding to the number of the exhaust ducts, and a telescopic air duct is fixedly provided at the air suction port of the air suction device, and the telescopic air duct can be sealed and fitted together with the opening structure of the corresponding exhaust duct.

[0007] Furthermore, the ground rails are two inner and outer rails, and a plurality of the movable outer walls are evenly arranged on the inner and outer ground rails, wherein the top of the movable outer wall on the outer ground rail is higher than the top of the movable outer wall on the inner ground rail; Correspondingly, the ceiling rail is also divided into two inner and outer rails, and multiple movable top plates are evenly arranged on the inner and outer ceiling rails, wherein the bottom end of the movable top plate on the outer ceiling rail is higher than the top end of the movable top plate on the inner ceiling rail.

[0008] Furthermore, a movable outer wall driving device is provided at one end of the movable outer wall near the ground rail, and the movable outer wall driving device is used to drive the movable outer wall to move along the ground rail. Furthermore, a moving top plate driving device is provided at one end of the moving top plate facing the ceiling rail, and the moving top plate driving device is used to drive the moving top plate to move along the ceiling rail.

[0009] Furthermore, the movable outer wall driving device and the movable top plate driving device cooperate to synchronously drive the movable top plate and the movable outer wall to move.

[0010] Furthermore, the exterior wall driving device includes a movable exterior wall driving motor, a first bevel gear, a second bevel gear, an intermediate transmission shaft, a first spur gear, a second spur gear and a track wheel, the body of the movable exterior wall driving motor is fixed on the side wall of the movable exterior wall, the power output end of the movable exterior wall driving motor is provided with a first bevel gear, the intermediate transmission shaft is movably provided on the side wall of the movable exterior wall, one end of the intermediate transmission shaft is provided with a second bevel gear, the other end of the intermediate transmission shaft is provided with a first spur gear, the first bevel gear and the second bevel gear are matched and meshed, the track wheel is matched and arranged on the ground rail, the two ends of the track wheel are movably provided on the side wall of the movable exterior wall, and the track wheel is also provided with a second spur gear meshing with the first spur gear.

[0011] Furthermore, a rail cleaning brush is provided on the front and rear sides of the track wheel, the upper end of the rail cleaning brush is fixedly arranged on the side wall of the movable outer wall, and the lower end brush of the rail cleaning brush is arranged close to the rail.

[0012] Furthermore, the telescopic air duct includes a fixed air duct, a movable air duct and a cylinder, one end of the fixed air duct is fixedly connected to the air suction port of the suction device, the other end of the fixed air duct is inserted with the movable air duct, the cylinder body of the cylinder is arranged on the outside of the fixed air duct, the piston rod of the cylinder is arranged on the outside of the movable air duct, the movable air duct is driven by the cylinder to be movable and telescopic in the fixed air duct, and the end of the movable air duct can be matched with the opening of the exhaust duct through the extension and retraction of the piston rod.

[0013] Furthermore, a sealing ring is provided on the movable air duct at the end facing the exhaust duct, and the sealing ring enables the telescopic air duct to be sealed and fitted with the opening structure of the corresponding exhaust duct.

[0014] Furthermore, each of the air outlets is provided with a filter.

[0015] Compared with the prior art, the present invention has the following beneficial effects.

[0016] 1. The present invention can control the opening and closing of the movable outer wall and the movable top plate, which facilitates the hoisting of the welding workpiece into the welding room body, and the hoisting is convenient and safe.

[0017] 2. In the present invention, the movable outer wall and the movable top plate are driven in coordination with the movable outer wall driving device and the movable top plate driving device to move synchronously, so that the movable top plate runs stably.

[0018] 3. The present invention utilizes the telescopic air duct to movably seal and dock the air suction device with the exhaust duct. The telescopic air duct has a good sealing effect when working and will not interfere with the top when opened.

[0019] 4. In the present invention, the upper and lower movable top plates can move independently, and the welding workpieces can be easily moved in and out, and the internal welding operation is not affected during the process of moving in and out. The movable top plate is automatically driven by a motor during the movement, and automatically stops driving after reaching the limit switch or travel switch set on the track, thereby improving the efficiency of moving the welding workpiece in and out. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 This is a schematic diagram of the state in which the movable exterior wall of the present invention is opened.

[0023] Figure 3 It is a schematic cross-sectional view of the present invention.

[0024] Figure 4 It is a front structural schematic diagram of the movable exterior wall driving device in the present invention.

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the movable exterior wall driving device in the present invention.

[0026] Figure 6 It is a schematic structural diagram of the telescopic air duct of the present invention when it is extended.

[0027] Figure 7 It is a schematic structural diagram of the telescopic air duct when it is shortened in the present invention.

[0028] In the figure: 1 is a welding room body, 2 is a ground rail, 3 is a movable outer wall, 4 is a ceiling rail, 5 is a movable top plate, 6 is an exhaust duct, 7 is an exhaust port, 8 is an air suction device, 9 is a telescopic air duct, 91 is a fixed air duct, 92 is a movable air duct, 93 is a cylinder, 94 is a sealing ring, 10 is a movable outer wall driving device, 101 is a movable outer wall driving motor, 102 is a first bevel gear, 103 is a second bevel gear, 104 is an intermediate transmission shaft, 105 is a first spur gear, 106 is a second spur gear, 107 is a track wheel, and 108 is a ground rail cleaning brush. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with specific embodiments.

[0030] like Figure 1 to Figure 7As shown, the present invention is a welding room for large workpieces, comprising a welding room body 1, wherein the welding room body 1 is a closed rectangular parallelepiped structure, a ground rail 2 is arranged at the bottom of a longitudinal side wall of the welding room body 1, and a plurality of movable walls 3 located on the ground rail 2 are matched and arranged on the ground rail 2, and the movable outer wall 3 can move on the ground rail 2 to facilitate opening the welding room body 1; a movable outer wall driving device 10 is arranged at one end of the movable outer wall 3 near the ground rail 2, and the movable outer wall driving device 10 is used to drive the movable outer wall 3 to move along the ground rail 2, and the outer wall driving device 10 includes a movable outer wall driving motor 101, a first bevel gear 102, a second bevel gear 103, an intermediate transmission shaft 104, a first spur gear 105, and a second spur gear 106. 6 and track wheel 107, the body of the movable exterior wall driving motor 101 is fixed on the side wall of the movable exterior wall 3, the power output end of the movable exterior wall driving motor 101 is provided with a first bevel gear 102, the intermediate transmission shaft 104 is movably arranged on the side wall of the movable exterior wall 3, one end of the intermediate transmission shaft 104 is provided with a second bevel gear 103, the other end of the intermediate transmission shaft 104 is provided with a first spur gear 105, the first bevel gear 102 and the second bevel gear 103 are matched and meshed, the track wheel 107 is matched and arranged on the ground rail 2, the two ends of the track wheel 107 are movably arranged on the side wall of the movable exterior wall 3, and the track wheel 107 is also provided with a second spur gear 106 meshed with the first spur gear 105. The front and rear sides of the track wheel 107 are both provided with a ground rail cleaning brush 108, the upper end of the ground rail cleaning brush 108 is fixedly arranged on the side wall of the movable exterior wall 3, and the lower end brush of the ground rail cleaning brush 108 is arranged close to the ground rail 2.

[0031] The end of the movable top plate 5 facing the ceiling rail 4 is provided with a movable top plate driving device (not shown in the figure), which is a power structure in which a motor drives a gear to move along a rack, wherein the rack is fixedly mounted on a wall on one side of the ceiling rail 4, and the motor is fixed on the movable top plate 5, and the movable top plate driving device is used to drive the movable top plate 5 to move along the ceiling rail 4. The movable exterior wall driving device 10 and the movable top plate driving device cooperate to synchronously drive the movable top plate 5 and the movable exterior wall 3 to move, and position sensors are provided at corresponding positions of the ground rail 2 and the ceiling rail 4 to detect whether the movable exterior wall 3 and the movable top plate 5 have moved to their proper positions.

[0032] The ground rail 2 consists of two inner and outer rails, and a plurality of movable exterior walls 3 are evenly arranged on the inner and outer ground rails 2, wherein the top of the movable exterior wall 3 on the outer ground rail 2 is higher than the top of the movable exterior wall 3 on the inner ground rail 2; a ceiling rail 4 is arranged on the top of the wall on the other longitudinal side of the welding room body 1, and a movable top plate 5 is correspondingly arranged between the ceiling rail 4 and the top of each movable exterior wall 3, wherein the movable top plate 5 is fixedly connected to the top of the movable exterior wall 3, and the movable top plate 5 is matched and movably connected to the ceiling rail 4, so that the movable top plate 5 and the movable exterior wall 3 can move synchronously; the ceiling rail 4 is also divided into two inner and outer guide rails, and a plurality of movable top plates 5 are evenly arranged on the inner and outer ceiling rails 4, wherein the bottom end of the movable top plate 5 on the outer ceiling rail 4 is higher than the top end of the movable top plate 5 on the inner ceiling rail 4.

[0033] An exhaust duct 6 is arranged on the movable top plate 5, one end of the exhaust duct 6 is an open structure, and the other end is a closed structure. A plurality of exhaust ports 7 are arranged on the lower side of the exhaust duct 6, each of which is provided with a filter screen, and the exhaust ports 7 are all connected to the inner cavity of the welding room body 1.

[0034] A plurality of air suction devices 8 are provided on the wall on one side of the ceiling rail 4 corresponding to the number of the exhaust ducts 6 , and the air suction devices 8 are existing conventional dust removal structures. A telescopic air duct 9 is fixedly provided at the air suction port of the suction device 5, and the telescopic air duct 9 can be sealed and fitted together with the opening structure of the corresponding exhaust duct 6; the telescopic air duct 9 comprises a fixed air duct 91, a movable air duct 92 and a cylinder 93, one end of the fixed air duct 91 is fixedly connected to the air suction port of the suction device 5, and the movable air duct 92 is inserted into the other end of the fixed air duct 91, the cylinder body of the cylinder 93 is arranged on the outside of the fixed air duct 91, and the piston rod of the cylinder 93 is arranged on the outside of the movable air duct 92, and the movable air duct 92 is driven by the cylinder 93 to be movable and retractable in the fixed air duct 91, and the end of the movable air duct 92 can be matched and docked with the opening of the exhaust duct 6 through the extension and retraction of the piston rod; a sealing ring 94 is provided on the movable air duct 92 at the end facing the exhaust duct 6, and the sealing ring 94 makes the telescopic air duct 9 able to be sealed and fitted together with the opening structure of the corresponding exhaust duct 6.

[0035] Since the higher the hoisting height of a large workpiece is, the greater the danger is. During the hoisting operation, the workpiece is about 30 cm from the ground. To this end, the present invention adopts one or more groups of mobile top plates 5 of different heights, and combines the top and a wall to open or close the structure. At the same time, the air suction port is also integrated into the mobile top plate 5 to ensure the dust removal effect. A single group of mobile top plates 5 is a unit, and the mobile top plates 5 of different units cannot move to the position of the adjacent unit. Before the high or low mobile top plate 5 needs to be opened, the dust removal device will be closed, and the telescopic air vents on the side top will retract into the pipeline to ensure that there is enough movement space between the air vents and the top. Then the two power modules on both sides of the mobile top plate 5 drive the top to move. After the corresponding position sensor detects, the opening work is completed, and the corresponding workpiece can be hoisted to the welding position; when the workpiece exceeds the predetermined length, the high top and low top of the adjacent unit can be opened at the same time to meet the hoisting of the workpiece in place. After the workpiece is in place, the high and low tops are controlled to move and close. After the sensor detects, the telescopic air vents extend out, and after the top is in place, the work starts.

[0036] The present invention does not affect the welding operation in the welding dust removal room while the welding workpiece is in and out, greatly improves the welding operation efficiency, facilitates the welding workpiece in and out, and further improves the operation efficiency.

[0037] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A welding room for large workpieces, comprising a welding room body (1), wherein the welding room body (1) is a closed rectangular parallelepiped structure, characterized in that: A floor rail (2) is arranged at the bottom of a longitudinal side wall of the welding room body (1); a plurality of movable walls (3) located on the floor rail (2) are matched and arranged on the floor rail (2); the movable outer wall (3) can be moved on the floor rail (2) to facilitate opening the welding room body (1); A ceiling rail (4) is arranged on the top of the wall on the other longitudinal side of the welding room body (1), and a movable top plate (5) is arranged between the ceiling rail (4) and the top of each movable external wall (3), wherein the movable top plate (5) is fixedly connected to the top of the movable external wall (3), and the movable top plate (5) and the ceiling rail (4) are matched and movablely connected, so that the movable top plate (5) and the movable external wall (3) can move synchronously; The ground rail (2) is composed of two inner and outer rails, and a plurality of movable outer walls (3) are evenly arranged on the inner and outer ground rails (2), wherein the top end of the movable outer wall (3) on the outer ground rail (2) is higher than the top end of the movable outer wall (3) on the inner ground rail (2); correspondingly, the ceiling rail (4) is also composed of two inner and outer rails, and a plurality of movable top plates (5) are evenly arranged on the inner and outer ceiling rails (4), wherein the bottom end of the movable top plate (5) on the outer ceiling rail (4) is higher than the top end of the movable top plate (5) on the inner ceiling rail (4); An exhaust duct (6) is provided on the movable top plate (5), one end of the exhaust duct (6) is an open structure, and the other end is a closed structure, a plurality of exhaust ports (7) are provided on the lower side of the exhaust duct (6), and the exhaust ports (7) are all connected to the inner cavity of the welding room body (1); A plurality of air suction devices (8) are provided on the wall on the side where the ceiling rail (4) is located, the number of which corresponds to the number of the exhaust ducts (6); a telescopic air duct (9) is fixedly provided at the air suction port of the air suction device (5); the telescopic air duct (9) can be sealed and fitted together with the opening structure of the corresponding exhaust duct (6); The telescopic air duct (9) comprises a fixed air duct (91), a movable air duct (92) and a cylinder (93); one end of the fixed air duct (91) is fixedly connected to the air suction port of the air suction device (5); the other end of the fixed air duct (91) is internally inserted with the movable air duct (92); the cylinder body of the cylinder (93) is arranged outside the fixed air duct (91); the piston rod of the cylinder (93) is arranged outside the movable air duct (92); the movable air duct (92) is driven to be movable and telescopic in the fixed air duct (91) by the cylinder (93); the end of the movable air duct (92) can be matched and docked with the opening of the exhaust duct (6) by the extension and retraction of the piston rod; a sealing ring (94) is arranged on the end of the movable air duct (92) facing the exhaust duct (6); the sealing ring (94) enables the telescopic air duct (9) to be sealed and fitted with the corresponding opening structure of the exhaust duct (6).

2. A welding room for large workpieces according to claim 1, characterized in that: A movable exterior wall driving device (10) is provided at one end of the movable exterior wall (3) near the ground rail (2), and the movable exterior wall driving device (10) is used to drive the movable exterior wall (3) to move along the ground rail (2).

3. A welding room for large workpieces according to claim 2, characterized in that: A movable top plate driving device is provided at one end of the movable top plate (5) facing the ceiling rail (4), and the movable top plate driving device is used to drive the movable top plate (5) to move along the ceiling rail (4).

4. A welding room for large workpieces according to claim 2, characterized in that: The movable exterior wall driving device (10) and the movable top plate driving device cooperate to synchronously drive the movable top plate (5) and the movable exterior wall (3) to move.

5. A welding room for large workpieces according to claim 2, characterized in that: The exterior wall driving device (10) comprises a movable exterior wall driving motor (101), a first bevel gear (102), a second bevel gear (103), an intermediate transmission shaft (104), a first spur gear (105), a second spur gear (106) and a track wheel (107); the body of the movable exterior wall driving motor (101) is fixed on the side wall of the movable exterior wall (3); the power output end of the movable exterior wall driving motor (101) is provided with the first bevel gear (102); the intermediate transmission shaft (104) is movably provided on the movable exterior wall (3); The intermediate transmission shaft (104) is provided with a second bevel gear (103) at one end, and a first spur gear (105) is provided at the other end of the intermediate transmission shaft (104). The first bevel gear (102) and the second bevel gear (103) are matched and meshed with each other. The track wheel (107) is matched and arranged on the ground rail (2). Both ends of the track wheel (107) are movably arranged on the side wall of the movable outer wall (3). The track wheel (107) is also provided with a second spur gear (106) meshing with the first spur gear (105).

6. A welding room for large workpieces according to claim 5, characterized in that: A floor rail cleaning brush (108) is provided on the front and rear sides of the track wheel (107); the upper end of the floor rail cleaning brush (108) is fixedly arranged on the side wall of the movable outer wall (3); and the lower end of the floor rail cleaning brush (108) is arranged in close contact with the floor rail (2).

7. A welding room for large workpieces according to claim 1, characterized in that: Each of the air outlets (7) is provided with a filter screen.

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