Efficient multi-station fireproof door hinge plate welding equipment and method

Abstract

The invention relates to the technical field of intelligent welding, in particular to efficient multi-station fireproof door hinge plate welding equipment and method.The efficient multi-station fireproof door hinge plate welding equipment comprises a fireproof door, a door frame, hinge plates and hinge shafts and is characterized in that a telescopic chain mechanism is arranged at the top of the fireproof door, and a rectangular welding mechanism is arranged at the top of the telescopic chain mechanism; and the two hinge plates are respectively arranged at the tops of the fireproof door and the door frame. Through cooperation of a second bevel gear, a sawtooth ring, a half gear, a rectangular piston rod, an air storage cylinder, a gear groove, a chain, a telescopic rod and a zigzag rod, when the second bevel gear starts to rotate, the chain starts to operate, meanwhile, negative pressure driving is conducted through circulating up-down movement between the air storage cylinder and the rectangular piston rod, the telescopic rod conducts circulating telescopic movement, and therefore the working efficiency is improved. And the first welding rod and the third welding rod are used for synchronously welding the hinge plate, the hinge shaft and the welding face b of the hinge plate, and the functionality of the device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent welding, and in particular to a high-efficiency multi-station fire door hinge plate welding device and method. Background Art

[0002] In some places with extremely high fire safety requirements, such as large data centers, chemical hazardous goods warehouses, nuclear power plants, etc., once a fire occurs in these places, the consequences are disastrous. In order to ensure that the fire door can absolutely reliably prevent the spread of fire in a fire, it is necessary to use welding to connect the hinge plate and the fire door, because welding can provide the strongest connection. There are two welding methods. One is to weld the hinge plate between the fire door and the fire door frame, and the other is to weld it on the outside of the fire door and the fire door. For warehouses that need to pay attention to the spread of fire temperature, external welding is required. When a fire occurs, the hinge plate welded on the outside can block the flame and heat from being directly transferred from the gap between the door and the door frame to the inside of the door to a certain extent, playing an auxiliary fire prevention role and delaying the spread of fire.

[0003] At present, the welding angle of the hinge plate is relatively complicated, and manual or intelligent welding equipment is usually used for welding. However, if the outer welded hinge plate or fire door is damaged, it is generally replaced, and the multi-station fire door is welded and spliced ​​on site. However, if the place of use is a chemical hazardous goods warehouse, there cannot be open flames or high temperatures, which makes it impossible to weld the hinge plate on site and weld the hinge plate to the fire door. At this time, it is necessary to produce and weld it outdoors or in the factory, and then transport it to the chemical hazardous goods warehouse to replace the fire door. However, it is very troublesome to transport chemical hazardous goods, which may cause leakage.

[0004] However, if the fire door needs to be welded at the same time as the hinge plate is welded in the factory, the efficiency of manual welding is not high, and the functionality of the intelligent welding equipment is relatively low. Therefore, the present invention provides an efficient multi-station fire door hinge plate welding device and method. Summary of the invention

[0005] The purpose of the invention is to solve the problem that welding equipment cannot weld hinge plates and fire doors at the same time.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an efficient multi-station fire door hinge plate welding device and method, comprising: a fire door, a door frame, a hinge plate and a hinge shaft, characterized in that a telescopic chain mechanism is provided on the top of the fire door, a rectangular welding mechanism is provided on the top of the telescopic chain mechanism, two hinge plates are respectively placed on the top of the fire door and the door frame, two hinge shafts are respectively placed on the hinge plate and the top between the door frame and the fire door, the rectangular welding mechanism is welded by welding rod 2, and at the same time drives the telescopic chain mechanism to drive welding rod 3 and two welding rods 1 to weld;

[0007] There is a welding position c between the hinge plate and the hinge shaft, there are two welding positions a, b and fire doors between the hinge plate and the door frame, the welding rod two can weld the two a and fire doors, the two welding rods one can weld the two b, and the welding rod three can weld c.

[0008] As a preferred embodiment, the outer wall of the hinge shaft can be clamped with a flex rod, one side of the flex rod is fixedly installed with a magnet bar, the magnet bar can be magnetically connected to one side of the hinge plate, and the bottoms of the two flex rods can contact the top of the fire door and the door frame.

[0009] As a preferred embodiment, the rectangular welding mechanism includes two supporting feet that contact the outer wall of the fire door and the door frame, and a fixed frame is fixedly installed on the opposite side of the two supporting feet. The inner wall of the fixed frame is fixedly installed with a limiting rod 2, and the outer wall of the limiting rod 2 is slidably connected to the limiting member, and the outer wall of the limiting member is slidably connected to a support rod, and the bottom of the support rod is rotatably connected to an L-shaped rod, and the bottom of the L-shaped rod is fixedly installed on the outer wall of the welding rod 2.

[0010] As a preferred embodiment, a spring and a limit rod 1 are fixedly installed on one side of the L-shaped rod, the limit rod 1 is located on the inner wall of the spring, a limit plate is fixedly installed on one end of the spring, the outer wall of the limit rod 1 passes through and is slidably connected to one side of the limit plate, an optical axis is fixedly installed on the inner wall of the limit plate, a U-shaped rod is fixedly installed on the top of the optical axis, a drive shaft is fixedly installed on the top of the U-shaped rod, and the drive shaft can be connected to an external motor.

[0011] As a preferred embodiment, the telescopic chain mechanism includes an inflatable rod fixedly installed on the top of the bending rod, the top of the inflatable rod is rotatably connected to two toothed chain rods, the outer wall of the toothed chain rod is transmittably connected to the inflatable rod, a fixed rod 1 is fixedly installed on one side of one section of the inflatable rod, a fixed shell is fixedly installed on the bottom of the fixed rod 1, and the inner wall of the fixed shell has a flippable welding rod 3.

[0012] As a preferred embodiment, the inner wall of the inflation rod has a cavity, and the two sides of the inflation rod are connected with telescopic rods, and the other end of the telescopic rod is fixedly installed with a fixed rod 2, and one side of the fixed rod 2 is fixedly installed on the outer wall of the welding rod 1. The top of the inflation rod is connected with an air storage cylinder, and the inner wall of the air storage cylinder is air-tightly slidably connected with a rectangular piston rod, and the top of the rectangular piston rod is fixedly installed with a serrated ring, and the inner wall of the serrated ring is meshed with a half-gear.

[0013] As a preferred embodiment, a fan-shaped plate is fixedly mounted on the outer wall of the air storage cylinder, a bevel gear 1 is rotatably connected to the inner wall of the fan-shaped plate, one end of the bevel gear 1 is fixedly mounted on one end of a half-gear, the other end of the bevel gear 1 is meshed with a bevel gear 2, the top end of the bevel gear 2 is fixedly mounted on the bottom end of the optical axis, a gear groove is fixedly mounted on the outer wall of the optical axis, the gear groove can be meshed with a chain, and the inner walls of the chain near the two ends are meshed with the outer wall of the toothed chain rod.

[0014] As a preferred embodiment, the fixed shell has a notch for the flipping space of the welding rod three, the inner wall of the fixed shell is rotatably connected with a rotating shaft, the inner wall of the rotating shaft is fixedly installed on the outer wall of the welding rod three, the other end of the rotating shaft is fixedly installed with a straight rod, the other end of the straight rod is rotatably connected to the inner wall of the fixed shell, a torsion spring is provided between the inner wall of the fixed shell close to the straight rod and the outer wall of the straight rod, one end of the torsion spring is clamped on one end of the rotating shaft, and the other end of the torsion spring is clamped on the inner wall of the fixed shell;

[0015] One side of the bending rod is provided with a sliding surface, and when the welding rod three contacts the sliding surface, it will automatically flip downward to avoid mutual clamping of the welding rod three and the bending rod.

[0016] As a preferred embodiment, a high-efficiency multi-station fire door hinge plate welding method is characterized by comprising the following steps:

[0017] S1. First, place the fire door and the door frame at the bottom of the two hinge plates, then place the two hinge shafts at the top of the hinge plates and above the fire door and the door frame, then fix the hinge shafts and the hinge plates at the top of the hinge plates and the fire door through a zigzag rod, and finally connect the external motor to the top of the drive shaft, then fix the external motor to the indoor ceiling or to the top of the fixed frame, and rotate it manually;

[0018] S2, start the external motor to drive the driving shaft to start rotating, so that the L-shaped rod drives the second welding rod to move in a rectangular trajectory, and the limiter can prevent the optical axis and the limiter from being stuck through the U-shaped rod while limiting the L-shaped rod. At the same time, the second welding rod can weld the two a of the hinge plate and the fire door;

[0019] S3. During the rotation of the driving shaft, the driving shaft rotates the optical axis through the U-shaped rod, and then the optical axis drives the welding rod three and two welding rods one pair to weld two b and c through the half gear and the gear groove.

[0020] Compared with the prior art, the advantages and positive effects of the present invention are:

[0021] 1. The present invention cooperates with bevel gear 2, serrated ring, half gear, rectangular piston rod, air cylinder, gear groove, chain, telescopic rod and zigzag rod. When bevel gear 2 starts to rotate, the chain starts to operate. At the same time, negative pressure is driven by cyclic up and down movement between the air cylinder and the rectangular piston rod, so that the telescopic rod moves cyclically and telescopically. The welding rod 1 and the welding rod 3 synchronously weld the hinge plate and the hinge shaft as well as the b welding surface of the hinge plate. No manual operation is required. Other positions can also be welded while welding the hinge shaft and the hinge plate, thereby improving the functionality of the device.

[0022] 2. The present invention cooperates between the limit rod 2, the limit piece, the U-shaped rod, the drive shaft, the L-shaped rod, the spring, the limit rod 1 and the limit plate. When the drive shaft drives the U-shaped rod to rotate, a rectangle can be formed through the moving trajectory of the L-shaped rod, which is convenient for driving the welding rod 2 to perform welding work, so as to avoid the need for manual operation when the hinge plate needs to be welded to the fire door and the door frame in advance. At the same time, it can also be synchronized with the telescopic chain mechanism to reduce production time and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention:

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the rectangular welding mechanism of the present invention:

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the U-shaped rod of the present invention:

[0027] Figure 4 This is a schematic diagram of the internal three-dimensional structure of the gas storage cylinder of the present invention:

[0028] Figure 5 This is a schematic diagram of the split three-dimensional structure of the telescopic chain mechanism of the present invention:

[0029] Figure 6 This is a schematic diagram of the internal three-dimensional structure of the fixed shell of the present invention:

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the zigzag rod of the present invention.

[0031] Figure numerals: 1, fire door; 10, door frame; 11, hinge plate; 12, hinge shaft; 13, bending rod; 14, magnet bar; 15, sliding surface; 2, inflatable rod; 20, toothed chain rod; 21, chain; 22, fixed rod 1; 23, telescopic rod; 24, fixed rod 2; 25, gas storage cylinder; 26, rectangular piston rod; 27, sawtooth ring; 28, half gear; 29, bevel gear 1; 201, sector plate; 202, welding Connecting rod one; 3, bevel gear two; 30, optical axis; 31, gear groove; 32, U-shaped rod; 33, driving shaft; 34, limit plate; 35, limit rod one; 36, spring; 37, L-shaped rod; 38, welding rod two; 39, supporting rod; 4, limit piece; 40, limit rod two; 41, fixed frame; 42, supporting foot; 43, fixed shell; 44, rotating shaft; 45, welding rod three; 46, straight rod; 47, torsion spring. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The present invention will be further described below in conjunction with the embodiments.

[0034] Example: Refer to Figure 1 , Figure 2 and Figure 7 The present invention provides a technical solution: an efficient multi-station fire door hinge plate welding device and method, comprising: a fire door 1, a door frame 10, a hinge plate 11 and a hinge shaft 12, characterized in that a telescopic chain mechanism is provided on the top of the fire door 1, a rectangular welding mechanism is provided on the top of the telescopic chain mechanism, two hinge plates 11 are respectively placed on the top of the fire door 1 and the door frame 10, two hinge shafts 12 are respectively placed on the hinge plates 11 and the top between the door frame 10 and the fire door 1, the rectangular welding mechanism is welded by a welding rod 2 38, and at the same time drives the telescopic chain mechanism to drive a welding rod 3 45 and two welding rods 1 202 for welding;

[0035] There is c for the welding position of the hinge plate 11 and the hinge shaft 12, there are two a, b and fire door 1 welding positions of the hinge plate 11 and the fire door 1 and the door frame 10, welding rod two 38 can weld the two a and fire door 1, two welding rods one 202 can weld the two b, and welding rod three 45 can weld c.

[0036] like Figure 7 As shown, the outer wall of the hinge shaft 12 can be clamped with a bending rod 13, and a magnet strip 14 is fixedly installed on one side of the bending rod 13. The magnet strip 14 can be magnetically connected to one side of the hinge plate 11, and the bottoms of the two bending rods 13 can contact the top of the fire door 1 and the door frame 10.

[0037] When the staff needs to weld the hinge plate 11 and the hinge shaft 12, but does not need to weld the hinge plate 11 and the fire door 1 and the door frame 10, first put the hinge plate 11 on the ground, and then clamp the hinge shaft 12 and the hinge plate 11 together through the bending rod 13, while the bending rod 13 is supported on the ground, then the staff only needs to start the external motor or manually rotate the drive shaft 33, drive the rectangular welding mechanism and then drive the telescopic chain mechanism, and then drive the welding rod three 45 to move cyclically between the two c positions, and finally the staff starts the welding rod three 45 to weld the c position;

[0038] When the hinge plate 11 and the hinge shaft 12 need to be welded on the assembly line, the worker removes the next bending rod 13, and then puts a hinge shaft 12 and the hinge plate 11 on the conveyor belt, and the bottom of the other bending rod 13 is supported on the conveyor belt, and finally the external motor is started to drive the driving shaft 33 to rotate for welding;

[0039] When the hinge plate 11 and the hinge shaft 12 need to be welded and the door frame 10 and the fire door 1 need to be welded, it is only necessary to place the fire door 1 and the door frame 10 on the ground. Figure 1 As shown, finally, it is only necessary to start the motor to drive the driving shaft 33 to rotate, and the two a, b, c and the fire door 1 are welded through the telescopic chain mechanism and the rectangular welding mechanism. No manual welding is required, and the functionality of the device is improved. The hinge plate 11 and the hinge shaft 12 can be welded separately, or the fire door 1 and the door frame 10 with the hinge plate 11 and the hinge shaft 12, which is easy to operate.

[0040] like Figures 1 to 3As shown, the rectangular welding mechanism includes two supporting feet 42 that contact the outer walls of the fire door 1 and the door frame 10, a fixed frame 41 is fixedly installed on the opposite side of the two supporting feet 42, a limiting rod 40 is fixedly installed on the inner wall of the fixed frame 41, the outer wall of the limiting rod 40 is slidably connected to the limiting member 4, the outer wall of the limiting member 4 is slidably connected to the support rod 39, the bottom of the support rod 39 is rotatably connected to the L-shaped rod 37, the bottom of the L-shaped rod 37 is fixedly installed on the outer wall of the welding rod 2 38, a spring 36 and a limiting rod 35 are fixedly installed on one side of the L-shaped rod 37, the limiting rod 35 is located on the inner wall of the spring 36, one end of the spring 36 is fixedly installed with a limiting plate 34, the outer wall of the limiting rod 35 passes through and is slidably connected to one side of the limiting plate 34, the inner wall of the limiting plate 34 is fixedly installed with an optical axis 30, the top of the optical axis 30 is fixedly installed with a U-shaped rod 32, the top of the U-shaped rod 32 is fixedly installed with a driving shaft 33, and the driving shaft 33 can be connected to an external motor.

[0041] As attached Figure 3 As shown, when the driving shaft 33 starts to rotate counterclockwise for the first 90 degrees, the U-shaped rod 32 also rotates counterclockwise, and the L-shaped rod 37 first moves linearly in the counterclockwise direction, and the limiting member 4 also moves in the direction of the L-shaped rod 37. After rotating counterclockwise for another 90 degrees, the limiting member 4 starts to move linearly in the direction of the second limiting rod 40 by the stationary support rod 39, and the L-shaped rod 37 also moves linearly in the direction of the second limiting rod 40. At the same time, the U-shaped rod 32 and the limiting member 4 will not contact each other. Then, the third counterclockwise rotation of 90 degrees is performed, and the limiting member 4 moves in the direction of the U-shaped rod 32. The abrupt position of the U-shaped rod 32 is close to the position of the second limiting rod 40. The L-shaped rod 37 also moves toward the U-shaped rod 32, and finally the limiting member 4 remains stationary, and the support rod 39 moves in a direction away from the limiting rod 2 40, and then the L-shaped rod 37 also moves synchronously with the support rod 39. At the same time, the U-shaped rod 32 will contact and engage with the support rod 39, and the L-shaped rod 37 rotates three times counterclockwise by 90 degrees with the driving shaft 33 to generate a track with three sides of a rectangle. The welding rod 2 38 can be opened by the staff at any time to contact and weld the two a and the fire door 1, and the welding rod 2 38 and the L-shaped rod 37 are installed in an inclined shape, so that the welding end of the welding rod 2 38 can be better close to the welding position;

[0042] It is to be explained that when the welding rod 2 38 is used to weld the hinge plate 11, the welding moving trajectory only needs to be rotated three times by 90 degrees. After the welding is completed, it only needs to be rotated 270 degrees clockwise for the next welding. The welding rod 2 38 is composed of a transverse rod and a vertical rod. The transverse rod and the vertical rod can rotate with each other, and the vertical rod can be magnetically attracted and pulled by the magnet bar 14 to ensure that the welding rod 2 38 is always in contact with the a and a1 welding surfaces.

[0043] like Figures 3 to 5As shown, the telescopic chain mechanism includes an inflatable rod 2 fixedly installed on the top of the bending rod 13, the top of the inflatable rod 2 is rotatably connected to two toothed chain rods 20, the outer wall of the toothed chain rod 20 is transferably connected to the inflatable rod 2, one side of one section of the inflatable rod 2 is fixedly installed with a fixed rod 1 22, the bottom of the fixed rod 1 22 is fixedly installed with a fixed shell 43, the inner wall of the fixed shell 43 has a flippable welding rod 3 45, the inner wall of the inflatable rod 2 has a cavity, the two sides of the inflatable rod 2 are connected with the telescopic rod 23, the other end of the telescopic rod 23 is fixedly installed with a fixed rod 24, one side of the fixed rod 24 is fixedly installed on the outer wall of the welding rod 1 202, the top of the inflatable rod 2 is connected with an air storage cylinder 25, The inner wall of the air storage cylinder 25 is airtightly and slidingly connected with a rectangular piston rod 26, a serrated ring 27 is fixedly installed on the top of the rectangular piston rod 26, and a half-type gear 28 is meshed on the inner wall of the serrated ring 27, and a fan-shaped plate 201 is fixedly installed on the outer wall of the air storage cylinder 25, and a bevel gear 1 29 is rotatably connected to the inner wall of the fan-shaped plate 201, one end of the bevel gear 1 29 is fixedly installed on one end of the half-type gear 28, and the other end of the bevel gear 1 29 is meshed with a bevel gear 2 3, and the top of the bevel gear 2 3 is fixedly installed on the bottom end of the optical axis 30, and a gear groove 31 is fixedly installed on the outer wall of the optical axis 30, and the gear groove 31 can be meshed with a chain 21, and the inner walls of the chain 21 near the two ends are meshed with the outer wall of the toothed chain rod 20.

[0044] When the optical axis 30 is driven to rotate by the driving axis 33 at the top of the U-shaped rod 32, the optical axis 30 drives the chain 21 to start running through the gear groove 31 on the outer wall, wherein each toothed chain section of the chain 21 does not rotate on its own, so the welding end of the welding rod 3 45 at the bottom of the fixed rod 1 22 on the outer side of one toothed chain section still faces the welding position c during the rotation process;

[0045] At the same time, during the rotation of the optical axis 30, the bottom bevel gear 23 and the bevel gear 1 29 are meshed to drive the half-gear 28 to rotate. The half-gear 28 is meshed with the serrated ring 27, that is, the serrated ring 27 moves in an up and down cycle. At the same time, the rectangular piston rod 26 moves in an up and down cycle on the inner wall of the air storage cylinder 25, and the telescopic rods 23 on both sides of the inflatable rod 2 can be driven by negative pressure to perform cyclic telescopic movement. At the same time, the welding end of the welding rod 1 202 at one end of the telescopic rod 23 always faces the b welding position, and whenever the welding rod 3 45 moves to the same plane of the welding rod 1 202, the welding rod 1 202 is driven by the telescopic rod 23 to shrink to a certain extent to the two sides of the inflatable rod 2 to avoid contact and engagement between the welding rod 3 45 and the welding rod 1 202. At the same time, because the moving trajectory area of ​​the welding rod 2 38 is larger than the moving trajectory area of ​​the welding rod 3 45 and the welding rod 1 202, the welding rod 2 38 will not contact and engage with the welding rod 3 45 and the welding rod 1 202 during the movement.

[0046] like Figure 6 and Figure 7As shown, the fixed shell 43 has a slot for the welding rod three 45 to flip over, the inner wall of the fixed shell 43 is rotatably connected with a rotating shaft 44, the inner wall of the rotating shaft 44 is fixedly installed on the outer wall of the welding rod three 45, the other end of the rotating shaft 44 is fixedly installed with a straight rod 46, the other end of the straight rod 46 is rotatably connected to the inner wall of the fixed shell 43, a torsion spring 47 is provided between the inner wall of the fixed shell 43 close to the straight rod 46 and the outer wall of the straight rod 46, one end of the torsion spring 47 is clamped on one end of the rotating shaft 44, and the other end of the torsion spring 47 is clamped on the inner wall of the fixed shell 43, one side of the bending rod 13 has a sliding surface 15, when the welding rod three 45 contacts the sliding surface 15, it will automatically flip downward to avoid the welding rod three 45 and the bending rod 13 from being clamped with each other.

[0047] In order to avoid the welding rod 45 from getting stuck when it contacts the outer wall of the bending rod 13, that is, when the welding rod 45 contacts the outer wall of the bending rod 13, the friction is reduced to a certain extent due to the contact with the smooth outer wall of the sliding surface 15. At the same time, the welding rod 45 is pushed by the chain 21, and the welding rod 45 will flip downward. When the welding rod 45 is completely separated from the outer wall of the bending rod 13, the welding rod 45 will be affected by the elastic action of the torsion spring 47 and will automatically flip upward and return to its original inclined state.

[0048] Furthermore, a highly efficient multi-station fire door hinge plate welding method comprises the following steps:

[0049] S1. First, place the fire door 1 and the door frame 10 at the bottom of the two hinge plates 11, then place the two hinge shafts 12 at the top of the hinge plates 11 and above the fire door 1 and the door frame 10, then fix the hinge shafts 12 and the hinge plates 11 at the top of the hinge plates 11 and the fire door 1 through the bending rod 13, and finally connect the external motor to the top of the driving shaft 33, and then fix the external motor to the indoor ceiling or to the top of the fixed frame 41, and can be rotated manually;

[0050] S2, start the external motor to drive the driving shaft 33 to start rotating, so that the L-shaped rod 37 drives the second welding rod 38 to move in a rectangular trajectory, and the limiting member 4 can prevent the optical axis 30 and the limiting member 4 from being stuck through the U-shaped rod 32 while limiting the L-shaped rod 37, and at the same time, the second welding rod 38 can weld the two a of the hinge plate 11 and the fire door 1;

[0051] S3. During the rotation of the driving shaft 33, the driving shaft 33 rotates the optical axis 30 through the U-shaped rod 32, and then the optical axis 30 drives the welding rod three 45 and the two welding rods one 202 through the half gear 28 and the gear groove 31 to weld the two b and c.

[0052] Working principle: when the staff needs to weld the hinge plate 11 and the hinge shaft 12, but does not need to weld the hinge plate 11 and the fire door 1 and the door frame 10, first put the hinge plate 11 on the ground, then clamp the hinge shaft 12 and the hinge plate 11 together through the bending rod 13, and at the same time the bending rod 13 is supported on the ground, then the staff only needs to start the external motor or manually rotate the drive shaft 33, drive the rectangular welding mechanism and then drive the telescopic chain mechanism, and then drive the welding rod three 45 to move cyclically between the two c positions, and finally the staff starts the welding rod three 45 to weld the c position;

[0053] When the hinge plate 11 and the hinge shaft 12 need to be welded on the assembly line, the worker removes the next bending rod 13, and then puts a hinge shaft 12 and the hinge plate 11 on the conveyor belt, and the bottom of the other bending rod 13 is supported on the conveyor belt, and finally the external motor is started to drive the driving shaft 33 to rotate for welding;

[0054] When the hinge plate 11 and the hinge shaft 12 need to be welded and the door frame 10 and the fire door 1 need to be welded, it is only necessary to place the fire door 1 and the door frame 10 on the ground. Figure 1 As shown, finally, it is only necessary to start the motor to drive the driving shaft 33 to rotate, and the two a, b, c and the fire door 1 are welded through the telescopic chain mechanism and the rectangular welding mechanism. No manual welding is required, and the functionality of the device is improved. The hinge plate 11 and the hinge shaft 12 can be welded separately, or the fire door 1 and the door frame 10 with the hinge plate 11 and the hinge shaft 12, which is easy to operate.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. An efficient multi-station fire door hinge plate welding equipment, characterized in that: include: A fire door (1), a door frame (10), a hinge plate (11) and a hinge shaft (12), characterized in that a telescopic chain mechanism is provided at the top of the fire door (1), a rectangular welding mechanism is provided at the top of the telescopic chain mechanism, two hinge plates (11) are respectively placed at the top of the fire door (1) and the door frame (10), two hinge shafts (12) are respectively placed at the top between the hinge plates (11) and the door frame (10) and the fire door (1), the rectangular welding mechanism is welded by welding rod two (38), and at the same time drives the telescopic chain mechanism to drive welding rod three (45) and two welding rods one (202) to weld; The hinge plate (11) and the hinge shaft (12) have a welding position c, the hinge plate (11) and the fire door (1) and the door frame (10) have two welding positions a and b and the fire door (1), the welding rod two (38) can weld the two a and the fire door (1), the two welding rods one (202) can weld the two b, and the welding rod three (45) can weld c.

2. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 1 is characterized in that: The outer wall of the hinge shaft (12) can be clamped with a bending rod (13), one side of the bending rod (13) is fixedly mounted with a magnet bar (14), the magnet bar (14) can be magnetically connected to one side of the hinge plate (11), and the bottoms of the two bending rods (13) can contact the tops of the fire door (1) and the door frame (10).

3. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 1 is characterized in that: The rectangular welding mechanism comprises two supporting feet (42) contacting the outer walls of the fireproof door (1) and the door frame (10), a fixed frame (41) is fixedly installed on the opposite side of the two supporting feet (42), a limiting rod 2 (40) is fixedly installed on the inner wall of the fixed frame (41), the outer wall of the limiting rod 2 (40) is slidably connected to the limiting member (4), the outer wall of the limiting member (4) is slidably connected to a support rod (39), the bottom of the support rod (39) is rotatably connected to an L-shaped rod (37), and the bottom of the L-shaped rod (37) is fixedly installed on the outer wall of the welding rod 2 (38).

4. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 3 is characterized by: A spring (36) and a limiting rod (35) are fixedly mounted on one side of the L-shaped rod (37); the limiting rod (35) is located on the inner wall of the spring (36); a limiting plate (34) is fixedly mounted on one end of the spring (36); the outer wall of the limiting rod (35) penetrates through and is slidably connected to one side of the limiting plate (34); an optical axis (30) is fixedly mounted on the inner wall of the limiting plate (34); a U-shaped rod (32) is fixedly mounted on the top of the optical axis (30); a driving shaft (33) is fixedly mounted on the top of the U-shaped rod (32); and the driving shaft (33) can be connected to an external motor.

5. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 2 is characterized in that: The telescopic chain mechanism comprises an inflatable rod (2) fixedly mounted on the top of a bending rod (13); the top of the inflatable rod (2) is rotatably connected to two toothed chain rods (20); the outer wall of the toothed chain rod (20) is transferably connected to the inflatable rod (2); a fixed rod one (22) is fixedly mounted on one side of one section of the inflatable rod (2); a fixed shell (43) is fixedly mounted on the bottom of the fixed rod one (22); and the inner wall of the fixed shell (43) has a flippable welding rod three (45).

6. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 5 is characterized in that: The inner wall of the inflation rod (2) has a cavity, and the two sides of the inflation rod (2) are connected to telescopic rods (23), and the other end of the telescopic rod (23) is fixedly installed with a second fixed rod (24), and one side of the second fixed rod (24) is fixedly installed on the outer wall of the welding rod (202). The top of the inflation rod (2) is connected to an air storage cylinder (25), and the inner wall of the air storage cylinder (25) is airtightly slidably connected with a rectangular piston rod (26), and the top of the rectangular piston rod (26) is fixedly installed with a serrated ring (27), and the inner wall of the serrated ring (27) is meshed with a half-shaped gear (28).

7. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 6 is characterized by: A sector plate (201) is fixedly mounted on the outer wall of the air storage cylinder (25); a bevel gear 1 (29) is rotatably connected to the inner wall of the sector plate (201); one end of the bevel gear 1 (29) is fixedly mounted on one end of a half-gear (28); the other end of the bevel gear 1 (29) is meshed with a bevel gear 2 (3); the top end of the bevel gear 2 (3) is fixedly mounted on the bottom end of an optical axis (30); a gear groove (31) is fixedly mounted on the outer wall of the optical axis (30); the gear groove (31) can be meshed with a chain (21); the inner walls of the chain (21) near both ends are meshed with the outer wall of the toothed chain rod (20).

8. The high-efficiency multi-station fire door hinge plate welding equipment according to claim 5 is characterized by: The fixed shell (43) has a notch for the turning space of the welding rod three (45); the inner wall of the fixed shell (43) is rotatably connected with a rotating shaft (44); the inner wall of the rotating shaft (44) is fixedly installed on the outer wall of the welding rod three (45); the other end of the rotating shaft (44) is fixedly installed with a straight rod (46); the other end of the straight rod (46) is rotatably connected to the inner wall of the fixed shell (43); a torsion spring (47) is provided between the inner wall of the fixed shell (43) close to the straight rod (46) and the outer wall of the straight rod (46); one end of the torsion spring (47) is clamped on one end of the rotating shaft (44); and the other end of the torsion spring (47) is clamped on the inner wall of the fixed shell (43); One side of the bending rod (13) has a sliding surface (15), and when the welding rod three (45) contacts the sliding surface (15), it will automatically flip downward to prevent the welding rod three (45) and the bending rod (13) from being stuck together.

9. The method for welding hinge plates of high-efficiency multi-station fireproof doors according to claim 8, characterized in that: The following steps are involved: S1. First, place the fire door (1) and the door frame (10) at the bottom of the two hinge plates (11), then place the two hinge shafts (12) at the top of the hinge plates (11) and above the fire door (1) and the door frame (10), then fix the hinge shafts (12) and the hinge plates (11) at the top of the hinge plates (11) and the fire door (1) through the bending rod (13), and finally connect the external motor to the top of the driving shaft (33), and then fix the external motor to the indoor ceiling or to the top of the fixed frame (41), and can be rotated manually; S2, start the external motor to drive the driving shaft (33) to start rotating, so that the L-shaped rod (37) drives the second welding rod (38) to move in a rectangular trajectory, and the limiting member (4) can prevent the optical axis (30) and the limiting member (4) from being stuck through the U-shaped rod (32) while limiting the L-shaped rod (37), and at the same time, the second welding rod (38) can weld the two a of the hinge plate (11) and the fire door (1); S3. During the rotation of the driving shaft (33), the driving shaft (33) rotates the optical axis (30) through the U-shaped rod (32), and then the optical axis (30) drives the welding rod three (45) and the two welding rods one (202) to weld the two b and c through the half gear (28) and the gear groove (31).

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