Automatic welding device for copper and aluminum pipe machining

Abstract

The invention discloses an automatic welding device for copper aluminum pipe machining, which comprises a base, a telescopic device is arranged on the rear side of the top of the base, a welding device is arranged on the telescopic device, a first welding positioning assembly and a second welding positioning assembly are respectively arranged on the two sides of the top of the base, and the structures of the first welding positioning assembly and the second welding positioning assembly are the same. Welding equipment is located between the first welding positioning assembly and the second welding positioning assembly, the power assembly is connected between the first welding positioning assembly and the second welding positioning assembly in a transmission mode, and in the whole process, workers do not need to conduct position positioning, and only inserting and fixing are needed. The welding equipment and the second motor are started, the contact faces of the two copper-aluminum pipes are welded through the welding equipment, the two copper-aluminum pipes are driven to rotate synchronously through starting of the second motor in the welding process, circumferential welding is achieved, tedious accurate positioning is not needed, and the welding efficiency is improved. And the to-be-welded pipeline can be continuously inserted into the second welding positioning assembly for multi-section welding.

Description

Technical Field

[0001] The invention belongs to the technical field of copper-aluminum tube welding, and in particular relates to an automatic welding device for copper-aluminum tube processing. Background Art

[0002] Copper-aluminum tube welding is to connect copper and aluminum materials into one by welding process to replace copper tubes. The density of aluminum is 1 / 3 of copper, and the price of aluminum tube is about 1 / 3 of copper tube. Using copper-aluminum tube to replace copper tube can reduce the cost and meet the market needs. However, the surface of aluminum is very easy to oxidize, and the oxide film formed is very strong, so mechanical connection is unreliable. At present, the market usually uses three methods to connect it: brazing, energy storage welding and manual workpiece resistance welding; In the existing copper-aluminum pipe welding process, due to the shape of the pipe, the positioning of the pipe in the early stage of welding, the agreement of the center line of the circle, the arc of the welding, and the circular welding process of the entire welding process are all great challenges for manual labor and cannot form a more balanced welding quality. The automatic welding equipment does not have a good structure to achieve the positioning process and the continuous welding process of multiple pipes. Generally, automatic welding is performed after manual positioning. The manual intervention process in the middle affects the entire multi-stage welding process and is inefficient. Summary of the invention

[0003] The object of the present invention is to provide an automatic welding device for copper and aluminum tube processing to solve the above-mentioned problems.

[0004] To achieve the above object, the present invention provides the following technical solutions: an automatic welding device for copper and aluminum tube processing, comprising a base, a telescopic device is arranged on the rear side of the top of the base and a welding device is arranged on the telescopic device, a welding positioning component 1 and a welding positioning component 2 are arranged on both sides of the top of the base respectively, and the welding positioning component 1 and the welding positioning component 2 have the same structure; The welding equipment is located between the welding positioning component 1 and the welding positioning component 2, and a power component is transmission-connected between the welding positioning component 1 and the welding positioning component 2; The second welding positioning component comprises a fixed vertical plate fixed on a base, the fixed vertical plate is movably connected with a sleeve through a bearing, the sleeve passes through an end of the fixed vertical plate and is provided with a gear ring on the outside, the gear ring is transmission-connected to the power component. A through groove is provided inside the sleeve, and a strip groove connected with the center of the sleeve is provided inside the through groove. Moving rings are slidably connected inside the through grooves on both sides of the strip groove, and the moving rings on the two ends of the strip groove form a group, one of which is provided with a main power fixing component that is opened and closed synchronously by the two moving rings in the group and squeezes the fixed steel pipe inward; the remaining groups of moving rings are provided with a fixing component that is opened and closed synchronously by the two moving rings in the group and squeezes the fixed steel pipe inward, the main power fixing component is soft extrusion fixing, and the fixing component is hard extrusion fixing, threaded rod assemblies are provided inside the multiple groups of moving rings, and the two moving rings of each group are driven to make relative motion through the rotation of the threaded rod assemblies, and the threaded rod assemblies are externally connected to motor 1.

[0005] Preferably, the active force fixing component comprises an articulated component 1 hinged to two movable rings, the articulated component 1 is arranged in a V shape, a rubber wheel is movably connected at the hinge point between the articulated components 1, and the rubber wheel is externally connected to a micro motor.

[0006] Preferably, the fixed component includes an articulated component 2 which is hinged to the two movable rings and the structure of the articulated component 2 is the same as that of the articulated component 1 and is also arranged in a V shape. A plastic wheel is movably connected at the hinge point between the articulated components 2.

[0007] Preferably, the threaded rod assembly includes a threaded rod body that is transmission-connected to motor one, the threaded rod body is processed with multiple areas of thread one and thread two, and adjacent thread one and thread two are a group, and multiple groups of thread one and thread two are respectively adapted to the positions and quantities of multiple strip grooves, and the hinged assembly two specifically includes two connecting arms, and the two connecting arms are hinged with moving blocks at one end close to the threaded rod assembly, and the two moving blocks are respectively threadedly connected to thread one and thread two in one group to realize relative movement of the two connecting arms when the threaded rod assembly rotates, and the two moving blocks are respectively connected to two moving rings in one group.

[0008] Preferably, the power assembly includes a synchronous shaft running through welding positioning assembly one and welding positioning assembly two, and the synchronous shaft is key-connected with a gear at the position of welding positioning assembly one and welding positioning assembly two, and the two gears are respectively meshed and connected with gear rings of the same structure on welding positioning assembly one and welding positioning assembly two, so as to drive the two sleeves of the same structure to rotate synchronously, and one end of the synchronous shaft is transmission-connected with motor two.

[0009] Preferably, two infrared sensors are arranged on the top of the base directly below the welding equipment and are symmetrical with respect to the center of a circle. The two infrared sensors are electrically connected to the two rubber wheels on the welding positioning component 1 and the welding positioning component 2 respectively.

[0010] Preferably, a hollow copper-aluminum tube moving path is formed between the welding positioning component 1 and the welding positioning component 2, and an extended welding auxiliary component installed on a base is provided on one side of the welding positioning component 1.

[0011] Preferably, the extended welding auxiliary component includes two telescopic rods installed on one side of the base, and a base is fixedly provided on one side of the two telescopic rods. A supporting arc plate is provided on the top of the base and the supporting arc plate is used to support a longer section during continuous welding. A lockable telescopic rod is provided between the supporting arc plate and the base.

[0012] The technical effects and advantages of the present invention are as follows: 1. The center line of the copper-aluminum tube after being fixed is always on the center line of the sleeve by setting a plurality of main force fixing components and fixing components, and then the micro motor is started to increase the rolling friction by using the rubber wheel to pressurize the copper-aluminum tube, so that the copper-aluminum tube is driven to move to one side during the rotation of the rubber wheel. During this period, the diameter of the rubber wheel is larger than the plastic wheel, so that when the plastic wheel and the rubber wheel move to the same position, and the rubber wheel is in an extrusion degree when the plastic wheel contacts the outer ring of the copper-aluminum tube, the hard contact of the plastic wheel can be used to fix the copper-aluminum tube while the plurality of plastic wheels are used without affecting the movement of the copper-aluminum tube, and the red The setting of the external sensor can realize the closing of the micro motor when it moves to the top of the infrared sensor. The installation and fixation of the copper and aluminum tubes on the welding positioning component 2 is the same as that of the welding positioning component, and the position movement is also detected by the corresponding infrared sensor. The whole process does not require the staff to perform position positioning. It only needs to be inserted and fixed, and then the welding equipment and motor 2 are started to use the welding equipment to weld the contact surfaces of the two copper and aluminum tubes. In the process of welding, the two copper and aluminum tubes are driven to rotate synchronously by the start of motor 2 to achieve circular welding. The whole process has a high degree of automation and does not require cumbersome precise positioning and center positioning, and is easy to operate. 2. Both welding positioning assembly 1 and welding positioning assembly 2 are hollow structures. When welding multiple sections of pipes, at least one micro motor can be started to drive the welded copper and aluminum pipes to extend toward the welding auxiliary assembly and one end of the extended pipes is supported by the supporting arc plate. At this time, the staff can continue to insert the pipes to be welded into the welding positioning assembly 2 for multiple section welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of the local structure of the middle A part; Figure 3 It is a schematic diagram of the internal structure of the sleeve of the present invention; Figure 4 An exploded view of the internal structure of the sleeve of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the local structure of the middle B part; Figure 6 For the present invention Figure 4 Schematic diagram of the local structure of the middle C part; Figure 7 It is a detailed structural schematic diagram of the threaded rod assembly of the present invention.

[0014] In the figure: 1, extension welding auxiliary component; 101, telescopic rod; 102, base; 103, support arc plate; 2, welding positioning component 1; 3, telescopic device; 4, welding device; 5, welding positioning component 2; 501, sleeve; 502, gear ring; 503, through slot; 504, main power fixing component; 5041, hinge component 1; 5042, micro motor; 5043, rubber wheel; 505, fixing component; 50 51. Plastic wheel; 5052. Hinge assembly 2; 506. Threaded rod assembly; 5061. Threaded rod body; 5062. Thread 1; 5063. Thread 2; 507. Moving ring; 508. Strip groove; 509. Fixed vertical plate; 6. Motor 2; 7. Base; 8. Synchronous shaft; 9. Infrared sensor; 10. Motor 1; 11. Gear; 12. Connecting arm; 1201. Connecting arm body; 1202. Moving block. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0016] The present invention provides an automatic welding device for copper and aluminum tube processing as shown in the figure, comprising a base 7, a telescopic device 3 is arranged on the rear side of the top of the base 7, and a welding device 4 is arranged on the telescopic device 3, and welding positioning components 1 2 and welding positioning components 2 5 are respectively arranged on both sides of the top of the base 7, and the welding positioning components 1 2 and welding positioning components 2 5 have the same structure; The welding equipment 4 is located between the welding positioning assembly 1 2 and the welding positioning assembly 2 5, and a power assembly is connected between the welding positioning assembly 1 2 and the welding positioning assembly 2 5; The welding positioning assembly 2 5 includes a fixed vertical plate 509 fixed on the base 7, and a sleeve 501 is movably connected to the fixed vertical plate 509 through a bearing. The sleeve 501 passes through one end of the fixed vertical plate 509 and is provided with a gear ring 502 on the outside. The gear ring 502 is connected to the power assembly in a transmission manner. A through groove 503 is provided inside the sleeve 501, and a strip groove 508 connected to the center of the sleeve 501 is provided inside the through groove 503. Moving rings 507 are slidably connected inside the through grooves 503 on both sides of the strip groove 508, and the moving rings 507 on both ends of the strip groove 508 form a group, wherein a group of moving rings 50 7 is provided with a main power fixing component 504 which is pressed and fixed by the two moving rings 507 of the group when they are opened and closed synchronously; the remaining groups of moving rings 507 are provided with fixing components 505 which are pressed and fixed by the two moving rings 507 of the group when they are opened and closed synchronously, the main power fixing component 504 is a soft extrusion fixation, and the fixing component 505 is a hard extrusion fixation, and the multiple groups of moving rings 507 are internally provided with threaded rod components 506, and the two moving rings 507 of each group are driven to make relative motion through the rotation of the threaded rod components 506, and the threaded rod components 506 are externally connected to a motor 10.

[0017] Specifically, the active force fixing component 504 includes an articulated component 1 5041 articulated with two moving rings 507, the articulated component 1 5041 is arranged in a V shape, a rubber wheel 5043 is movably connected at the hinge point between the articulated components 1 5041, and the rubber wheel 5043 is externally connected to a micro motor 5042, the fixing component 505 includes an articulated component 2 5052 articulated with the two moving rings 507, and the articulated component 2 5052 has the same structure as the articulated component 1 5041 and is also arranged in a V shape, a plastic wheel 5051 is movably connected at the hinge point between the articulated components 2 5052, and the threaded rod component 506 includes a threaded rod body 5061 transmission-connected to the motor 10, and the threaded rod body 5061 is There are multiple areas of thread one 5062 and thread two 5063 processed on 61, and adjacent thread one 5062 and thread two 5063 are a group, and the multiple groups of thread one 5062 and thread two 5063 are respectively adapted to the positions and quantities of the multiple strip grooves 508, and the hinge component two 5052 specifically includes two connecting arms 12, and the ends of the two connecting arms 12 close to the threaded rod component 506 are hinged with moving blocks 1202, and the two moving blocks 1202 are respectively threadedly connected to the thread one 5062 and the thread two 5063 in one group to realize relative movement of the two connecting arms 12 when the threaded rod component 506 rotates, and the two moving blocks 1202 are respectively connected to the two moving rings 507 in one group.

[0018] Specifically, the power component includes a synchronous shaft 8 that passes through the welding positioning component 1 2 and the welding positioning component 2 5. The synchronous shaft 8 is key-connected with a gear 11 at the position of the welding positioning component 1 2 and the welding positioning component 2 5. The two gears 11 are respectively meshed and connected with the gear rings 502 of the same structure on the welding positioning component 1 2 and the welding positioning component 2 5, so as to drive the two sleeves 501 of the same structure to rotate synchronously. One end of the synchronous shaft 8 is transmission-connected with the motor 2 6.

[0019] Specifically, two infrared sensors 9 are arranged on the top of the base 7 just below the welding device 4 and are symmetrical with respect to the center of a circle. The two infrared sensors 9 are electrically connected to the two rubber wheels 5043 on the welding positioning component 1 2 and the welding positioning component 2 5 respectively.

[0020] Specifically, a hollow copper-aluminum tube moving path is formed between the welding positioning component 1 2 and the welding positioning component 2 5. An extended welding auxiliary component 1 installed on the base 7 is provided on one side of the welding positioning component 2. The extended welding auxiliary component 1 includes two telescopic rods 101 installed on one side of the base 7. A base 102 is fixedly provided on one side of the two telescopic rods 101. A supporting arc plate 103 is provided on the top of the base 102, and the supporting arc plate 103 is used to support a longer section during continuous welding. A lockable telescopic rod is provided between the supporting arc plate 103 and the base 102.

[0021] Working principle: Example 1, as Figure 1-Figure 7As shown, the staff can insert the copper-aluminum tube to be welded from one side of the welding positioning component 2 into the welding positioning component 2, and then start the motor 10 on the welding positioning component 2, and use the motor 10 to drive the threaded rod component 506 to rotate. During the rotation, the design of the thread 1 5062 and the thread 2 5063 on the threaded rod component 506 is used to drive the two moving blocks 1202 in one group to make relative movements, and then squeeze the two connecting arms 12 to push the rubber wheel 5043 and the plastic wheel 5051 to press on the outside of the copper-aluminum tube to fix the copper-aluminum tube. During the process, the setting of multiple main force fixing components 504 and fixing components 505 is used to make the center line of the copper-aluminum tube after fixation always on the center line of the sleeve 501, and then start the micro motor 5042 to use the rubber wheel 5043 to press the copper-aluminum tube to increase the rolling friction, so that the rubber wheel 5043 drives the copper-aluminum tube to move to one side during the rotation. During the period, the diameter of the rubber wheel 5043 is larger than the plastic wheel 5051, so that the plastic wheel 5051 and the rubber wheel 50 43 moving positions are the same, and the rubber wheel 5043 is in the extrusion degree when the plastic wheel 5051 contacts the outer ring of the copper-aluminum tube. During this period, the hard contact of the plastic wheel 5051 can be used to fix the copper-aluminum tube with multiple plastic wheels 5051 without affecting the movement of the copper-aluminum tube. In the process of moving the copper-aluminum tube, the setting of the infrared sensor 9 is used to realize turning off the micro motor 5042 when it moves to the top of the infrared sensor 9. The installation and fixation of the copper-aluminum tube on the welding positioning component 2 5 is the same as that of the welding positioning component 1 2, and the position movement is also detected by the corresponding infrared sensor 9. The whole process does not require the staff to perform position positioning. It only needs to be inserted and fixed, and then the welding equipment 4 and the motor 2 6 are started to use the welding equipment 4 to weld the contact surfaces of the two copper-aluminum tubes. In the process of welding, the two copper-aluminum tubes are driven to rotate synchronously by the start of the motor 2 6 to achieve circular welding. The whole process has a high degree of automation, and does not require cumbersome precise positioning and center positioning, and is easy to operate. Embodiment 2, as Figure 1 As shown, by utilizing the setting of the extended welding auxiliary component 1, and the welding positioning component 1 2 and the welding positioning component 2 5 are both hollow structures, when performing multi-section pipe welding, at least one micro motor 5042 can be started to drive the welded copper-aluminum pipe toward the extended welding auxiliary component 1 and the extended end is supported by the supporting arc plate 103. At this time, the staff can continuously insert the pipe to be welded into the welding positioning component 2 5 for multi-section welding.

[0022] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic welding device for copper and aluminum tube processing, comprising a base (7), characterized in that: A telescopic device (3) is arranged on the rear side of the top of the base (7), and a welding device (4) is arranged on the telescopic device (3); a welding positioning component 1 (2) and a welding positioning component 2 (5) are arranged on both sides of the top of the base (7), and the welding positioning component 1 (2) and the welding positioning component 2 (5) have the same structure; The welding device (4) is located between the welding positioning component 1 (2) and the welding positioning component 2 (5), and a power component is transmission-connected between the welding positioning component 1 (2) and the welding positioning component 2 (5); The welding positioning assembly 2 (5) comprises a fixed vertical plate (509) fixed on a base (7), wherein a sleeve (501) is movably connected to the fixed vertical plate (509) via a bearing, wherein the sleeve (501) passes through one end of the fixed vertical plate (509) and is provided with a gear ring (502) on the outside, wherein the gear ring (502) is transmission-connected to the power assembly, wherein a through groove (503) is provided inside the sleeve (501), and a strip groove (508) communicating with the center of the sleeve (501) is provided inside the through groove (503), wherein movable rings (507) are slidably connected to the inside of the through grooves (503) on both sides of the strip groove (508), and wherein the movable rings (507) on both ends of the strip groove (508) form a group, wherein the movable rings (507) on the two ... The moving ring (507) is provided with a main power fixing component (504) which is pressed and fixed inwardly while being opened and closed synchronously by the two moving rings (507) of the group; the remaining groups of moving rings (507) are provided with fixing components (505) which are pressed and fixed inwardly while being opened and closed synchronously by the two moving rings (507) of the group. The main power fixing component (504) is a soft pressing fixing component, and the fixing component (505) is a hard pressing fixing component. The plurality of groups of moving rings (507) are provided with threaded rod components (506) inside, and the two moving rings (507) of each group are driven to make relative motion by the rotation of the threaded rod components (506). The threaded rod components (506) are externally connected to a motor 1 (10).

2. The automatic welding device for copper and aluminum tube processing according to claim 1 is characterized in that: The active force fixing component (504) comprises an articulated component 1 (5041) articulated with two movable rings (507), the articulated component 1 (5041) being arranged in a V shape, a rubber wheel (5043) being movably connected at a hinge point between the articulated components 1 (5041), and the rubber wheel (5043) being externally connected to a micro motor (5042).

3. The automatic welding device for copper and aluminum tube processing according to claim 2 is characterized in that: The fixed component (505) comprises a hinged component 2 (5052) hinged to two movable rings (507), and the structure of the hinged component 2 (5052) is the same as that of the hinged component 1 (5041), and is also arranged in a V shape. A plastic wheel (5051) is movably connected at the hinge point between the hinged components 2 (5052).

4. The automatic welding device for copper and aluminum tube processing according to claim 3 is characterized in that: The threaded rod assembly (506) comprises a threaded rod body (5061) which is transmission-connected to the motor 1 (10), and the threaded rod body (5061) is processed with a plurality of regions of thread 1 (5062) and thread 2 (5063), and adjacent thread 1 (5062) and thread 2 (5063) form a group, and the plurality of groups of thread 1 (5062) and thread 2 (5063) are respectively adapted to the position and quantity of the plurality of strip grooves (508), and the hinge assembly 2 (50 52) specifically comprises two connecting arms (12), one end of the two connecting arms (12) close to the threaded rod assembly (506) is hinged with a moving block (1202), and the two moving blocks (1202) are respectively threadedly connected to the thread one (5062) and the thread two (5063) in a group to achieve relative movement of the two connecting arms (12) when the threaded rod assembly (506) rotates, and the two moving blocks (1202) are respectively connected to the two moving rings (507) in a group.

5. The automatic welding device for copper and aluminum tube processing according to claim 1 is characterized in that: The power assembly comprises a synchronous shaft (8) passing through the welding positioning assembly 1 (2) and the welding positioning assembly 2 (5); the synchronous shaft (8) is key-connected with a gear (11) at the position of the welding positioning assembly 1 (2) and the welding positioning assembly 2 (5); the two gears (11) are respectively meshed and connected with gear rings (502) of the same structure on the welding positioning assembly 1 (2) and the welding positioning assembly 2 (5), so as to drive two sleeves (501) of the same structure to rotate synchronously; one end of the synchronous shaft (8) is transmission-connected with the motor 2 (6).

6. The automatic welding device for copper and aluminum tube processing according to claim 1 is characterized in that: Two infrared sensors (9) are arranged on the top of the base (7) directly below the welding device (4) and are symmetrical with respect to the center of a circle. The two infrared sensors (9) are electrically connected to two rubber wheels (5043) on the welding positioning component 1 (2) and the welding positioning component 2 (5), respectively.

7. The automatic welding device for copper and aluminum tube processing according to claim 1 is characterized in that: A hollow space between the welding positioning component 1 (2) and the welding positioning component 2 (5) forms a hollow copper-aluminum tube moving path, and an extended welding auxiliary component (1) mounted on a base (7) is provided on one side of the welding positioning component 1 (2).

8. The automatic welding device for copper and aluminum tube processing according to claim 7 is characterized in that: The extended welding auxiliary assembly (1) comprises two telescopic rods (101) mounted on one side of a base (7); a base (102) is fixedly mounted on one side of the two telescopic rods (101); a supporting arc plate (103) is arranged on the top of the base (102) and is used to support a longer section during continuous welding by means of the supporting arc plate (103); and a lockable telescopic rod is arranged between the supporting arc plate (103) and the base (102).

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