Cooling equipment and cooling method for metal pipe welding

Abstract

The invention provides cooling equipment and a cooling method for metal pipe welding, and belongs to the technical field of cooling for metal pipe welding. The cooling equipment comprises a machining table, a water pool groove is formed in one side of the top of the machining table, and a spray cooling mechanism is installed in the area of the water pool groove; the spray cooling mechanism comprises a cooling box, a refrigerating system, two water pumps, a conveying pipe and a spray head; a filtering mechanism is further mounted on one side of the water pool tank and comprises a three-way pipe and a filtering cylinder; water liquid can be sprayed out through the spray cooling mechanism to cool the welding end of the metal pipe, when liquid in the water pool tank enters the three-way pipe, the filter cartridge can filter impurities and metal scraps in the water liquid, the water liquid finally enters the cooling box to be cooled again and then used, water pollution is prevented, meanwhile, water resources are saved, and the production efficiency is improved. And the double-cavity design of the cooling box is matched with the single-opening design of the three-way pipe, so that liquid just used for cooling can be cooled for a longer time, and the cooling effect on the metal pipe is guaranteed.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of cooling for metal pipe welding, and in particular to a cooling device and a cooling method for metal pipe welding. Background Art

[0002] Metal pipe welding cooling equipment generally refers to equipment used to cool building materials after welding to prevent deformation, cracking and other problems caused by excessive temperature. Existing cooling equipment usually includes water coolers, air coolers, chillers, etc., among which water coolers and chillers have better cooling effects; while cooling metal pipes during welding by water cooling, metal residues will remain in the cooling liquid, and direct discharge of the liquid is likely to cause water pollution and waste water resources. Summary of the invention

[0003] The present invention mainly provides a cooling device and a cooling method for metal pipe welding to solve the technical problems raised in the above background technology.

[0004] The technical solution adopted by the present invention to solve the above technical problems is:

[0005] A cooling device for metal pipe welding, comprising a processing table, a water tank is arranged on one side of the top of the processing table, a spray cooling mechanism is installed in the water tank area, and the spray cooling mechanism comprises a cooling box installed at the bottom of the water tank and divided into two chambers, a refrigeration system installed outside the cooling box, two water pumps installed on both sides of the cooling box, a delivery pipe installed at the output end of the water pump, and a nozzle located in the top area of ​​the water tank and connected to the two delivery pipes;

[0006] A filtering mechanism is also installed on one side of the water tank, and the filtering mechanism includes a three-way pipe whose three ends are respectively connected to one side of the bottom of the water tank and the interior of two cavities of the cooling box, an electromagnetic valve is installed at the end of the three-way pipe connected to the water tank, valves are installed at the other two ends of the three-way pipe, and filter cartridges are installed inside the two ends of the three-way pipe connected to the cooling box, and a seal is provided at one end of the filter cartridge close to the cooling box.

[0007] Furthermore, in the present invention, split pipes are provided at both ends of the three-way pipe connected to the cooling box, the split pipes are connected to the three-way pipe through flanges and bolts, and the filter cartridge is located inside the split pipes.

[0008] Furthermore, in the present invention, the nozzle is an atomizing nozzle.

[0009] Furthermore, in the present invention, a lifting mechanism is also installed in the water tank area, and the lifting mechanism includes two lifting frames located at the top of both sides of the water tank, two first screw rods rotatably connected to the lifting frames, two first nuts symmetrically slidably connected to the two first screw rods, a first motor installed on the top of the lifting frame and connected to the first screw rod, and a lifting plate installed between the two first nuts; the nozzle is installed at the bottom center of the lifting plate.

[0010] Furthermore, in the present invention, a clamping mechanism is provided at the four corners of the end of the processing table away from the sink tank, and the clamping mechanism includes a vertical frame, a fixed wheel rotatably connected to the inside of the vertical frame, an electrically driven linear module installed on one side of the vertical frame, and a movable wheel sliding inside the vertical frame and connected to the driving block of the electrically driven linear module.

[0011] Furthermore, in the present invention, the processing tables in the bottom areas of the four clamping mechanisms are provided with slide grooves, and a position adjustment mechanism is installed in the slide grooves. The position adjustment mechanism includes four second screw rods rotatably connected in the four slide grooves, and four second nuts symmetrically slidably installed on the second screw rods, and the four vertical frames are respectively connected to the tops of the four second nuts.

[0012] Furthermore, in the present invention, a driving cavity is arranged on the processing table between the four slide grooves, one ends of the four second screw rods all penetrate into the driving cavity, and the position adjustment mechanism also includes a double-headed motor located at the center of the driving cavity, a connecting shaft installed at both ends of the double-headed motor, a driving bevel gear installed at one end of the connecting shaft, and a driven bevel gear installed at the inner end of the second screw rod; the two driven bevel gears on the same side are respectively meshed with the driving bevel gear on the same side.

[0013] Furthermore, in the present invention, a third motor connected to the wheel center of the fixed wheel is installed on one side of the stand.

[0014] Furthermore, in the present invention, the cooling method used in any of the above-mentioned cooling devices for metal pipe welding comprises the following steps:

[0015] Step 1: First, place the metal pipe to be processed between the clamping mechanisms on the processing table and fix it before welding;

[0016] Step 2: When the temperature is high during the welding process, stop welding first, start the spray cooling mechanism, and use the water pump to spray the liquid inside the cooling box through the nozzle to cool it down;

[0017] Step 3: The water used for cooling will enter the water tank, and then flow back and filter through the three-way pipe. In this state, the two valves are opened cyclically, so that the two pipes at the bottom of the three-way pipe are in a closed and open state, and the refrigeration system cools the liquid in the two cavities of the cooling box;

[0018] Step 4: Each time spraying is performed, the water pump on the closed valve side of the tee pipe operates to cool the metal pipe.

[0019] Furthermore, in the present invention, the step 1 includes the following specific steps:

[0020] Step 1: Adjust the distance between the clamping mechanisms according to the width of the metal pipe to be welded. The double-headed motor can be used to make the driving bevel gear mesh with the driven bevel gear for transmission, so that the second screw rod rotates and the second nut drives the clamping mechanisms to move closer to each other.

[0021] Step 2: Place the two ends of the metal pipe on top of the four fixed wheels;

[0022] Step 3: Start the electric drive linear module to lower the moving wheel, so as to cooperate with the fixed wheel to position the metal pipe;

[0023] Step 4: When the metal pipe is being welded or cleaned, the third motor can be started to rotate the fixed wheel to drive the metal pipe to rotate, so that the metal pipe can be rotated for welding or cleaning.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The present invention can effectively clamp metal pipes of different diameters through the clamping mechanism and the position adjustment mechanism, so that they can be stably welded and cooled, and can spray water to cool the welding end of the metal pipe through the spray cooling mechanism. When the liquid in the water tank enters the inside of the three-way pipe, the filter cylinder can filter impurities and metal debris in the water, and finally enters the cooling box for re-cooling before utilization, thereby preventing water pollution and saving water resources. The double-cavity design of the cooling box and the single-opening design of the three-way pipe enable the liquid just used for cooling to be cooled for a longer time, thereby ensuring the cooling effect on the metal pipe.

[0026] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the overall structure (de-clamping mechanism) of the present invention from a first viewing angle;

[0029] Figure 3 It is a schematic diagram of the overall (de-clamping mechanism) structure of the present invention from a second viewing angle;

[0030] Figure 4 This is a structural breakdown diagram of the filter mechanism of the present invention;

[0031] Figure 5 It is a schematic diagram of the overall structure (filtering mechanism and spray cooling mechanism) of the present invention;

[0032] Figure 6 It is a schematic diagram of the structure of the clamping mechanism of the present invention.

[0033] In the figure: 10, processing table; 11, water tank; 12, slide; 13, drive chamber; 20, filtering mechanism; 21, three-way pipe; 22, solenoid valve; 23, valve; 24, split pipe; 25, filter cartridge; 30, spray cooling mechanism; 31, cooling box; 32, refrigeration system; 33, water pump; 34, delivery pipe; 35, nozzle; 40, lifting mechanism; 41, lifting frame; 42, first screw rod; 43, first nut; 44, first motor; 45, lifting plate; 50, clamping mechanism; 51, stand; 52, fixed wheel; 53, moving wheel; 54, third motor; 55, electric drive linear module; 60, position adjustment mechanism; 61, second screw rod; 62, second nut; 63, double-headed motor; 64, connecting shaft; 65, driving bevel gear; 66, driven bevel gear. DETAILED DESCRIPTION

[0034] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0035] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] For examples, please refer to the attached Figure 1-6 A cooling device for metal pipe welding, comprising a processing table 10, a water tank 11 is arranged on one side of the top of the processing table 10, a spray cooling mechanism 30 is installed in the area of ​​the water tank 11, and the spray cooling mechanism 30 includes a cooling box 31 installed at the bottom of the water tank 11 and divided into two chambers, a refrigeration system 32 installed outside the cooling box 31, two water pumps 33 installed on both sides of the cooling box 31, a delivery pipe 34 installed at the output end of the water pump 33, and a nozzle 35 located in the top area of ​​the water tank 11 and connected to the two delivery pipes 34;

[0038] A filtering mechanism 20 is also installed on one side of the water tank 11, and the filtering mechanism 20 includes a three-way pipe 21 whose three ends are respectively connected to one side of the bottom of the water tank 11 and the two cavities of the cooling box 31, and a solenoid valve 22 is installed at the connecting end of the three-way pipe 21 and the water tank 11, and valves 23 are installed at the other two ends of the three-way pipe 21, and filter cartridges 25 are installed inside the two ends of the three-way pipe 21 connected to the cooling box 31, and a seal is provided at one end of the filter cartridge 25 close to the cooling box 31.

[0039] It should be noted that, in this embodiment, the electrical components of the device are all externally powered and electrically connected to a conventional PLC controller.

[0040] For details, please refer to the attached Figure 4 The two ends of the three-way pipe 21 connected to the cooling box 31 are provided with split pipes 24, the split pipe 24 is connected to the three-way pipe 21 through flanges and bolts, and the filter cartridge 25 is located inside the split pipe 24;

[0041] It should be noted that in this embodiment, when it is necessary to clean the debris and foreign matter in the filter cartridge 25, the split tube 24 on the side of the closing valve 23 can be removed, and the filter cartridge 25 can be removed for cleaning. While cleaning the filter cartridge 25, the device can continue to operate, thereby improving work efficiency.

[0042] For details, please refer to the attached Figure 2 , the nozzle 35 is an atomizing nozzle;

[0043] It should be noted that, in this embodiment, the atomizing nozzle can atomize the coolant, thereby preventing direct injection from affecting the welding position.

[0044] For details, please refer to the attached Figure 3The water tank 11 area is also equipped with a lifting mechanism 40, which includes two lifting frames 41 located at the top of both sides of the water tank 11, two first screw rods 42 rotatably connected to the lifting frames 41, two first screw nuts 43 symmetrically slidably connected to the two first screw rods 42, a first motor 44 installed on the top of the lifting frames 41 and connected to the first screw rods 42, and a lifting plate 45 installed between the two first screw nuts 43; the nozzle 35 is installed at the bottom center of the lifting plate 45;

[0045] It should be noted that, in this embodiment, the operation of the first motor 44 can enable the first nut 43 to drive the lifting plate 45 to move up and down, thereby adjusting the height of the nozzle 35 so that the nozzle 35 is closer to the welding point of the metal pipe to ensure the spray cooling effect.

[0046] For details, please refer to the attached Figure 6 The processing table 10 is provided with a clamping mechanism 50 at four corners of one end away from the water tank 11, and the clamping mechanism 50 includes a stand 51, a fixed wheel 52 rotatably connected to the inside of the stand 51, an electric drive linear module 55 installed on one side of the stand 51, and a moving wheel 53 sliding inside the stand 51 and connected to the driving block of the electric drive linear module 55;

[0047] It should be noted that, in this embodiment, the movable wheel 53 can adjust the height by electrically driving the linear module 55 , so as to cooperate with the fixed wheel 52 to clamp the metal pipe.

[0048] For details, please refer to the attached Figure 5 , the processing table 10 at the bottom area of ​​the four clamping mechanisms 50 is provided with a slide groove 12, and a position adjustment mechanism 60 is installed in the slide groove 12, and the position adjustment mechanism 60 includes four second screw rods 61 rotatably connected to the four slide grooves 12, and four second screw nuts 62 symmetrically slidably installed on the second screw rods 61, and the four vertical frames 51 are respectively connected to the tops of the four second screw nuts 62;

[0049] Furthermore, a driving cavity 13 is provided on the processing table 10 between the four slide grooves 12, one end of each of the four second screw rods 61 penetrates into the driving cavity 13, and the position adjustment mechanism 60 further includes a double-headed motor 63 located at the center of the driving cavity 13, a connecting shaft 64 installed at both ends of the double-headed motor 63, a driving bevel gear 65 installed at one end of the connecting shaft 64, and a driven bevel gear 66 installed at one end of the inner side of the second screw rod 61; the two driven bevel gears 66 on the same side are respectively meshed with the driving bevel gear 65 on the same side;

[0050] It should be noted that, in this embodiment, by operating the double-headed motor 63, the driving bevel gear 65 can engage with the driven bevel gear 66 for transmission, thereby rotating the second screw rod 61 and causing the second nut 62 to drive the clamping mechanism 50 to approach each other. The clamping mechanism 50 can cooperate with the pipes of different diameters to be effectively clamped.

[0051] For details, please refer to the attached Figure 6 A third motor 54 connected to the wheel center of the fixed wheel 52 is installed on one side of the stand 51;

[0052] It should be noted that, in this embodiment, the third motor 54 can rotate the fixed wheel 52 to drive the metal pipe to rotate, so that the metal pipe can be rotationally welded or rotationally cleaned.

[0053] Furthermore, the cooling method used by any of the above-mentioned cooling devices for metal pipe welding comprises the following steps:

[0054] Step 1: First, place the metal pipe to be processed between the clamping mechanisms 50 on the processing table 10, fix it, and then weld it;

[0055] Step 2: When the temperature generated during the welding process is high, the welding is stopped first, and then the spray cooling mechanism 30 is started, and the liquid inside the cooling box 31 is sprayed through the nozzle 35 by the water pump 33 to reduce the temperature;

[0056] Step 3: The water used for cooling will enter the water tank 11, and then be refluxed and filtered through the three-way pipe 21. In this state, the two valves 23 are cyclically opened, so that the two pipes at the bottom of the three-way pipe 21 are in a closed state and an open state, and the refrigeration system 32 cools the liquids in the two cavities of the cooling box 31;

[0057] Step 4: Each time spraying is performed, the water pump 33 on the closed valve 23 side of the three-way pipe 21 is operated to cool the metal pipe.

[0058] It should be noted that, in this embodiment, in step 3, when the liquid in the water tank 11 enters the interior of the tee pipe 21, the filter cartridge 25 can filter the impurities and metal debris in the water;

[0059] The double-chamber design of the cooling box 31 and the single-open design of the three-way pipe 21 allow the liquid just used for cooling to be cooled for a longer period of time, thereby ensuring the cooling effect on the metal pipe.

[0060] Furthermore, the step 1 includes the following specific steps:

[0061] Step 1: The distance between the clamping mechanisms 50 is adjusted according to the width of the metal pipe to be welded. The double-headed motor 63 is operated to make the driving bevel gear 65 mesh with the driven bevel gear 66 for transmission, so that the second screw rod 61 rotates, and the second screw nut 62 drives the clamping mechanisms 50 to move closer to each other;

[0062] Step 2: Place the two ends of the metal pipe on the top of the four fixed wheels 52 respectively;

[0063] Step 3: Start the electric drive linear module 55 to lower the moving wheel 53, so as to cooperate with the fixed wheel 52 to position the metal pipe;

[0064] Step 4: When the metal pipe is to be welded or cleaned, the third motor 54 can be started to rotate the fixed wheel 52 to drive the metal pipe to rotate, so that the metal pipe can be rotated for welding or cleaning.

[0065] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A cooling device for metal pipe welding, comprising a processing table (10), characterized in that: A water tank (11) is provided on one side of the top of the processing table (10), and a spray cooling mechanism (30) is installed in the area of ​​the water tank (11). The spray cooling mechanism (30) comprises a cooling box (31) installed at the bottom of the water tank (11) and divided into two chambers, a refrigeration system (32) installed outside the cooling box (31), two water pumps (33) installed on both sides of the cooling box (31), a delivery pipe (34) installed at the output end of the water pump (33), and a spray head (35) located in the top area of ​​the water tank (11) and connected to the two delivery pipes (34); A filtering mechanism (20) is also installed on one side of the water tank (11), and the filtering mechanism (20) comprises a three-way pipe (21) whose three ends are respectively connected to one side of the bottom of the water tank (11) and the interior of two cavities of the cooling box (31), a solenoid valve (22) is installed at the end of the three-way pipe (21) connected to the water tank (11), valves (23) are installed at the other two ends of the three-way pipe (21), and filter cartridges (25) are installed inside the two ends of the three-way pipe (21) connected to the cooling box (31), and a seal is provided at one end of the filter cartridge (25) close to the cooling box (31).

2. A cooling device for metal pipe welding according to claim 1, characterized in that: Split pipes (24) are provided at both ends of the three-way pipe (21) connected to the cooling box (31); the split pipe (24) is connected to the three-way pipe (21) via a flange and bolts, and the filter cartridge (25) is located inside the split pipe (24).

3. A cooling device for metal pipe welding according to claim 1, characterized in that: The nozzle (35) is an atomizing nozzle.

4. A cooling device for metal pipe welding according to claim 1, characterized in that: The water tank (11) area is also equipped with a lifting mechanism (40), which comprises two lifting frames (41) located at the top of both sides of the water tank (11), two first screw rods (42) rotatably connected to the lifting frames (41), two first screw nuts (43) symmetrically slidably connected to the two first screw rods (42), a first motor (44) installed at the top of the lifting frames (41) and connected to the first screw rods (42), and a lifting plate (45) installed between the two first screw nuts (43); the nozzle (35) is installed at the bottom center of the lifting plate (45).

5. The cooling device for metal pipe welding according to claim 1, characterized in that: The processing table (10) is provided with a clamping mechanism (50) at four corners of one end away from the water tank (11), and the clamping mechanism (50) comprises a stand (51), a fixed wheel (52) rotatably connected to the inside of the stand (51), an electric drive linear module (55) installed on one side of the stand (51), and a moving wheel (53) sliding inside the stand (51) and connected to a driving block of the electric drive linear module (55).

6. A cooling device for metal pipe welding according to claim 5, characterized in that: A slide groove (12) is provided on the processing table (10) at the bottom area of ​​the four clamping mechanisms (50), and a position adjustment mechanism (60) is installed in the slide groove (12). The position adjustment mechanism (60) includes four second screw rods (61) rotatably connected in the four slide grooves (12), and four second nuts (62) symmetrically slidably installed on the second screw rods (61). The four vertical frames (51) are respectively connected to the tops of the four second nuts (62).

7. A cooling device for metal pipe welding according to claim 6, characterized in that: A driving cavity (13) is provided on the processing table (10) between the four slide grooves (12), one end of each of the four second screw rods (61) passes through the interior of the driving cavity (13), and the position adjustment mechanism (60) further includes a double-headed motor (63) located at the center of the driving cavity (13), a connecting shaft (64) installed at both ends of the double-headed motor (63), a driving bevel gear (65) installed at one end of the connecting shaft (64), and a driven bevel gear (66) installed at one end of the inner side of the second screw rod (61); the two driven bevel gears (66) on the same side are respectively meshed with the driving bevel gear (65) on the same side.

8. The cooling device for metal pipe welding according to claim 5, characterized in that: A third motor (54) connected to the wheel center of the fixed wheel (52) is installed on one side of the stand (51).

9. The cooling method used in the cooling device for metal pipe welding according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: First, place the metal pipe to be processed between the clamping mechanisms (50) on the processing table (10), fix it, and then weld it; Step 2: When the temperature generated during the welding process is high, the welding is stopped first, and then the spray cooling mechanism (30) is started to spray the liquid inside the cooling box (31) through the nozzle (35) through the water pump (33) to reduce the temperature; Step 3: The water used for cooling will enter the water tank (11), and then be refluxed and filtered through the three-way pipe (21). In this state, the two valves (23) are cyclically opened, so that the two pipes at the bottom of the three-way pipe (21) are in a closed state and an open state, and the refrigeration system (32) cools the liquids in the two cavities of the cooling box (31); Step 4: Each time spraying is performed, the water pump (33) on the closed valve (23) side of the three-way pipe (21) operates to cool the metal pipe.

10. The cooling method used in any one of the cooling devices for metal pipe welding according to claim 9, characterized in that: The step 1 includes the following specific steps: Step 1: The distance between the clamping mechanisms (50) is adjusted according to the width of the metal pipe to be welded. The double-headed motor (63) is operated to make the driving bevel gear (65) mesh with the driven bevel gear (66) for transmission, thereby rotating the second screw rod (61) and causing the second screw nut (62) to drive the clamping mechanisms (50) to move closer to each other. Step 2: Place the two ends of the metal pipe on the top of the four fixed wheels (52) respectively; Step 3: Start the electric drive linear module (55) to lower the moving wheel (53), thereby cooperating with the fixed wheel (52) to position the metal pipe; Step 4: When the metal pipe is to be welded or cleaned, the third motor (54) can be started to rotate the fixed wheel (52) to drive the metal pipe to rotate, so that the metal pipe can be rotated for welding or cleaning.

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