CN113334017B - Automatic welding equipment and welding method for input pipe of air conditioner condenser - Google Patents
Automatic welding equipment and welding method for input pipe of air conditioner condenser Download PDFInfo
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- CN113334017B CN113334017B CN202110633557.9A CN202110633557A CN113334017B CN 113334017 B CN113334017 B CN 113334017B CN 202110633557 A CN202110633557 A CN 202110633557A CN 113334017 B CN113334017 B CN 113334017B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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Abstract
The invention discloses automatic welding equipment and a welding method for an input pipe of an air conditioner condenser, and belongs to the field of welding equipment. The equipment comprises a turntable, a welding device and a cooling device which are arranged on the side edge of the turntable, and a plurality of positioning devices which are arranged along the circumferential direction of the turntable.
Description
Technical Field
The invention belongs to the technical field of welding equipment, and particularly relates to automatic welding equipment and a welding method for an input pipe of an air conditioner condenser.
Background
In the case of a household air conditioner, a heat exchanger (also referred to as a heat exchanger) in an outdoor unit is called a condenser, and a heat exchanger in an indoor unit is called an evaporator. The heat releasing process of the condenser is that the high-temperature high-pressure gaseous Freon exchanges heat with air outdoors to be changed into low-temperature high-pressure liquid Freon. In the heat exchange process of the condenser, because a large amount of gas flows in the condenser, the condenser is internally provided with a plurality of pipeline structures for gas flow. The condenser inlet pipe is an important condenser pipe assembly.
As shown in fig. 1, a plurality of branch holes are formed on the tube body of the condenser input tube, and two ends of the condenser input tube are respectively welded with a bent tube. The traditional process generally realizes the welding of bent pipes at two ends by manpower, the welding efficiency and the welding precision are lower, particularly, the bent pipe welded at one end of the input pipe of the condenser is a copper pipe which is easy to deform, and the structure precision of the input pipe of a product is influenced by the deformation of the copper pipe easily caused by manual operation or the adoption of a common clamping part.
The Chinese patent application numbers are: CN201620383415.6, published as: patent document 2016, 9, 7 discloses a rotary table type automatic brazing machine, which is provided with a rotary table that intermittently rotates, a plurality of welding tables for holding workpieces are connected to the rotary table, an electrically controlled flame welding gun and a welding wire feeding gun are provided beside the rotary table, the number of the welding tables is larger than that of the electrically controlled flame welding guns, and when the workpieces held on the welding tables are heated by the electrically controlled flame welding guns, the welding wires are fed toward the welding positions of the workpieces by the welding wire feeding gun.
The Chinese patent application numbers are: cn201920957464.X, published day is: patent document 7/28/2020 discloses an automatic multi-station rotating disc type flame welding and brazing tool for an air conditioner silencer, and belongs to the technical field of welding equipment. It includes the frame, the frame on be equipped with multistation carousel operating device, multistation carousel operating device is including setting up the operation carousel in frame center department, the operation carousel on and along a plurality of operation chassis of angularly interval fixedly connected with such as operation carousel circumference, be equipped with a locating piece on every operation chassis, the outside of locating piece be equipped with hollow first breather pipe, just first breather pipe inboard be equipped with the cavity formula of fixed connection at the operation carousel and ventilate the stylobate, the cavity formula ventilate the inside hollow second breather pipe that is equipped with of stylobate.
Above-mentioned two kinds of schemes are welding set to the air conditioner part, and it can replace manual welding, improves the preparation efficiency of air conditioner part. However, neither of the two devices is a welding device specially for the condenser input tube, and the problems mentioned above that the structure precision of the product input tube is affected by the deformation of the copper tube easily caused by manual operation or by a common clamping component when the condenser input tube is welded cannot be solved. At present, no special welding equipment for the condenser input tube exists, and the positioning precision of the condenser input tube during welding is difficult to ensure by adopting the existing welding device.
Disclosure of Invention
1. Problems to be solved
The invention provides automatic welding equipment for an input pipe of an air conditioner condenser, which aims at the input pipe of the condenser and effectively improves the welding efficiency and the welding effect of the pipelines at the two ends of the input pipe of the condenser.
The invention also adopts an automatic welding method for the input pipe of the condenser of the air conditioner, and the welding equipment can quickly and conveniently realize the welding of the pipelines at the two ends of the input pipe of the condenser, thereby improving the production efficiency of the input pipe.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An automatic welding device for an input pipe of an air conditioner condenser comprises a rotary table, a welding device and a cooling device, wherein the welding device and the cooling device are arranged on the side edge of the rotary table; the positioning device comprises a base, wherein a first support plate, a second support plate and a first inserting barrel with an opening at the upper end are arranged on the base;
a first support is arranged on the first support, a second inserting cylinder with an opening at the upper end is arranged on the first support, and an arc clamping groove is formed in the side edge of the upper end of the first inserting cylinder;
the second support plate is provided with a second bracket and a clamping mechanism; a circular tube is arranged at the front end of the second bracket; the clamping mechanism comprises an installation plate, a fixed block, a clamping plate and a clamping block; the mounting plate is fixedly mounted at the upper end of the second support plate, and the fixing block is fixedly mounted at the front end of the mounting plate; the rear end of the clamping plate is connected with the rear end of the upper end surface of the mounting plate through a spring, and the clamping block is fixedly mounted at the front end of the clamping plate; and the upper side of the fixed block and the lower side of the clamping block are respectively provided with an arc groove at corresponding positions.
As a further improvement of the technical scheme, the middle part of the lower end surface of the clamping plate is provided with a limiting column which extends downwards.
As a further improvement of the technical scheme, a second limiting member is mounted on the lower side of the front end of the second support, two extension plates extend forwards from two sides of the front end of the second limiting member respectively, and a gap is formed between the two extension plates.
As a further improvement of the technical solution, a front end surface of the second position limiting member has an arc surface.
As a further improvement of the technical scheme, the extension plate is provided with a screw hole extending along the width direction of the second bracket.
As a further improvement of the technical scheme, the interior of the first support is of a hollow structure, and an air inlet communicated with the rear side of the first support plate is formed in the joint of the first support and the first support plate; the lower end of the second inserting cylinder is communicated with the inside of the first support.
As a further improvement of the technical scheme, the interior of the second bracket is of a hollow structure, and an air inlet communicated with the rear side of the second support plate is formed in the joint of the second bracket and the second support plate; the front end of the circular tube is of an open structure, and the rear end of the circular tube is communicated with the inside of the second support.
As a further improvement of the technical scheme, an air supply device is arranged in the middle of the upper end face of the rotary table, an air inlet and a plurality of air outlets are formed in the air supply device, the air inlet is externally connected with a protective air source, and the air outlets are respectively connected with the air inlets on the rear sides of the first support plate and the second support plate through pipelines.
As a further improvement of the technical scheme, the front end face of the first support is provided with an arc surface, two sides of the front end of the first support extend forwards to form an extension block respectively, and a gap is formed between the two extension blocks.
An automatic welding method for an input pipe of an air conditioner condenser adopts the automatic welding equipment for the input pipe of the air conditioner condenser, and comprises the following steps:
1. starting a welding device and a cooling device, inserting one end of an input pipe welded with a copper pipe into a first inserting cylinder, then respectively inserting two ends of a U-shaped pipe into the other ends of a second inserting cylinder and the input pipe, rotating a turntable to move the input pipe to the welding device, welding the joint of the U-shaped pipe and the input pipe by the welding device, then continuously rotating the turntable to move the input pipe to the cooling device, and cooling the input pipe by the cooling device;
2. taking down the input pipe welded in the first step, enabling the input pipe to be inverted and enabling a shunting hole on the input pipe to be sleeved on a round pipe, then lifting up a clamping block to enable one end of a copper pipe to be inserted into the upper end of the input pipe, enabling the other end of the copper pipe to be placed in an arc groove of a fixed block, putting down the clamping block to clamp the copper pipe, and meanwhile, putting another input pipe to be welded on a first support plate;
3. rotating the turntable to move the two input pipes to the welding device, respectively welding the joints of the input pipes and the U-shaped pipes on the first support plate and the joints of the input pipes and the copper pipes on the second support plate by the welding device, continuously rotating the turntable to move the input pipes to the cooling device, and cooling the input pipes by the cooling device;
4. and (5) removing the two input pipes and repeating the operation of the first step and the second step.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention relates to automatic welding equipment for an input tube of an air conditioner condenser, which is provided with a positioning device specially used for the input tube of the condenser, wherein the positioning device is provided with a first support plate and a second support plate; after welding, the input tube is turned over, the shunt hole of the input tube is sleeved on the circular tube on the second support plate, the input tube is fixed on the second support plate, then the clamping block is lifted, one end of the copper tube is inserted into the end, welded with the input tube, of the input tube, the other end of the copper tube is placed in the arc groove of the fixed block, then the clamping block is put down, the clamping block is pressed downwards under the action of the spring, the copper tube is pressed tightly from the upper side by the arc groove of the clamping block, and finally the joint of the copper tube and the input tube is welded; the positioning device is specially used for the condenser input tube, can conveniently and quickly realize the welding positioning and fixing of the condenser, is matched with the welding equipment for use, can simultaneously weld the pipelines at two ends of the input tube, greatly improves the welding efficiency of the condenser input tube, and particularly, a clamping mechanism of the positioning device conveniently and quickly completes the compression of a copper tube through a spring, the spring is matched with an arc groove structure, cannot cause overlarge pressure on the copper tube, is not easy to deform the copper tube, and improves the quality of the finally formed condenser input tube;
(2) According to the automatic welding equipment for the input tube of the air conditioner condenser, the middle part of the lower end face of the clamping plate is provided with the limiting column extending downwards, when the clamping block is pressed down to a height enough to clamp a copper tube, the bottom end of the limiting column can be in contact with the upper end face of the mounting plate and abut against the clamping plate, and the copper tube is prevented from being deformed due to the fact that the clamping block is continuously pressed down under the action of the spring;
(3) According to the automatic welding equipment for the input pipe of the air conditioner condenser, disclosed by the invention, the gap between the extension plate on the second support and the extension block on the first support can limit the displacement of the input pipe in the horizontal direction during welding, so that the input pipe is prevented from falling off from the positioning device in the welding process, and the stability of welding work is improved;
(4) According to the automatic welding equipment for the input tube of the air conditioner condenser, the arc surfaces are arranged on the front end surface of the second limiting piece and the front end surface of the first support, so that the input tube can be better attached to the positioning device when placed in the gap, on one hand, abrasion between the positioning device and the surface of the input tube is reduced, the surface quality of the input tube is improved, and on the other hand, the positioning device can more stably fix the input tube;
(5) According to the automatic welding equipment for the input tube of the air conditioner condenser, the extension plate is provided with the screw hole extending along the width direction of the second support, so that bolts can be screwed in from two sides of the extension plate to further clamp the input tube, and the input tube is prevented from falling off;
(6) According to the automatic welding equipment for the input pipe of the air conditioner condenser, the protective gas can be introduced into the fixed input pipe through the circular pipe and the second inserting cylinder, so that the welding quality of two ends of the input pipe is improved, particularly, the gas supply device is arranged in the middle of the rotary table and can rotate together with the rotary table and the positioning device, the protective gas is introduced into the input pipe in real time, the situations that the protective gas supply is interrupted and insufficient, the equipment stops working and waits for the introduction of the protective gas and the like cannot occur, and the welding quality and the stability of a welding process are effectively improved;
(7) The automatic welding method for the input pipe of the condenser of the air conditioner, disclosed by the invention, can be used for quickly and conveniently welding the pipelines at two ends of the input pipe of the condenser by adopting the welding equipment, so that the production efficiency of the input pipe is improved.
Drawings
FIG. 1 is a schematic diagram of the condenser inlet tube configuration;
FIG. 2 is a schematic view of a positioning device;
FIG. 3 is a schematic view of the clamping mechanism;
FIG. 4 is a schematic view of a welding apparatus;
in the figure: 1. a base; 2. a first support plate; 21. a first bracket; 211. a stretching block; 22. a second insert cylinder; 3. a second support plate; 31. a second bracket; 311. a second limiting member; 312. an extension plate; 313. a screw hole; 32. a clamping mechanism; 321. mounting a plate; 322. a fixed block; 323. a splint; 324. a clamping block; 325. a spring; 326. an arc groove; 327. a limiting column; 328. a handle; 33. a circular tube; 4. a first insert cylinder; 41. an arc clamping groove; 5. an input tube; 51. a copper pipe; 52. a U-shaped pipe; 53. a shunt hole; 6. a welding device; 7. a welding device; 8. and an air supply device.
Detailed Description
The invention is further described with reference to specific embodiments and the accompanying drawings.
Examples
The utility model provides an air conditioner condenser input tube automatic weld equipment for weld the condenser input tube, improve welding quality and the welding efficiency to the both ends pipeline of condenser input tube. The structure of the condenser input pipe 5 is shown in fig. 1, a copper pipe 51 with low hardness and a U-shaped pipe 52 with high hardness are welded at two ends of the condenser input pipe respectively, and a row of flow distribution holes 53 arranged at equal intervals are formed in the pipe body of the condenser input pipe 5. The specific structure and operation of the welding apparatus will be described in detail below.
As shown in fig. 4, the welding equipment comprises a rotating disc 6, a welding device 7 and a cooling device which are arranged on the side of the rotating disc 6, and a plurality of positioning devices which are arranged along the circumferential direction of the rotating disc 6, wherein the bottom of the rotating disc 6 is provided with a driving device for driving the rotating disc 6 to rotate. In this embodiment, the turntable 6 and the welding device 7 are a turntable type flame brazing machine in the prior art, and the number of the welding devices is two, and the two welding devices respectively weld the end pipes of the two input pipes 5 on the positioning device. The cooling device is used for spraying cooling water or cooling gas to the input pipe 5 after the welding of the input pipe is completed, and the cooling device adopts common liquid or gas cooling equipment on the market, and the structure of the cooling device belongs to the prior art and does not belong to the improvement point of the invention, so the detailed description is omitted.
As shown in fig. 2, the positioning device comprises a base 1, and a first support plate 2, a second support plate 3 and a first insert barrel 4 with an open upper end are mounted on the base 1. The first support plate 2 is used for fixing the input pipe 5 when the U-shaped pipe 52 is welded, and the second support plate 3 is used for fixing the input pipe 5 when the copper pipe 51 is welded.
The first support plate 2 is provided with a first support 21, the first support 21 is provided with a second insertion barrel 22 with an opening at the upper end, and the side edge of the upper end of the first insertion barrel 4 is provided with an arc clamping groove 41. Two sides of the front end of the first support 21 extend forwards to form an extension block 211 respectively, a gap is formed between the two extension blocks 211, and an arc surface is arranged on the front end surface of the first support 21. Meanwhile, the inside of the first bracket 21 is of a hollow structure, an air inlet communicated with the rear side of the first support plate 2 is formed in the joint of the first support plate 2 and the first support plate, and the lower end of the second insert cylinder 22 is communicated with the inside of the first bracket 21.
During welding, one end of the condenser input tube 5, which is welded with the copper tube 51, is inserted into the first insertion tube 4, the shunting hole 53 is clamped through the arc clamping groove 41 to fix the input tube 5, and a tube body of the input tube 5 is positioned in a gap between the two extension blocks 211 and attached to an arc surface on the front end surface of the first support 21. Through setting up extension piece 211, can restrict the displacement of input tube 5 in the horizontal direction during welding, prevent that input tube 5 from droing from positioner among the welding process, improve welding work's stability. The arc surface enables the input tube 5 to be better attached to the positioning device when being placed in the gap between the extending blocks 211, so that on one hand, abrasion between the positioning device and the surface of the input tube 5 is reduced, the surface quality of the input tube 5 is improved, and on the other hand, the positioning device can fix the input tube 5 more stably.
Then, two ends of the U-shaped pipe 53 are respectively inserted into the second insertion tube 22 and the other end of the input pipe 5, the shielding gas is introduced into the gas inlet on the first support 21, the shielding gas enters the input pipe 5 through the first support 21, the second insertion tube 22 and the U-shaped pipe 52, the welding position of the input pipe 5 and the U-shaped pipe 52 is protected by welding, and finally the connecting position of the U-shaped pipe 52 and the input pipe 5 is welded.
The second plate 3 is provided with a second bracket 31 and a clamping mechanism 32. The front end of the second bracket 31 is provided with a circular tube 33, and the lower side of the front end of the second bracket 31 is provided with a second limiting member 311. The front end surface of the second limiting member 311 has an arc surface, two sides of the front end of the second limiting member extend forward to form an extension plate 312, and a gap is formed between the two extension plates 312. Meanwhile, similar to the structure of the first bracket 21, the inside of the second bracket 31 is a hollow structure, an air inlet communicated with the rear side of the second support plate 3 is formed at the joint of the second bracket 31 and the second support plate 3, the front end of the circular tube 33 is an open structure, and the rear end of the circular tube is communicated with the inside of the second bracket 31.
As shown in fig. 2 and 3, the clamping mechanism 32 includes a mounting plate 321, a fixing block 322, a clamping plate 323, and a clamping block 324. The mounting plate 321 is fixedly mounted at the upper end of the second support plate 3, and the fixing block 322 is fixedly mounted at the front end of the mounting plate 321. The rear end of the clamp plate 323 is connected to the rear end of the upper end surface of the mounting plate 321 by a spring 325, and the clamp block 324 is fixedly mounted to the front end of the clamp plate 323. The upper side of the fixing block 322 and the lower side of the clamping block 324 are respectively provided with an arc groove 326. In the initial state, the clamp plate 323 is horizontal and the spring is uncompressed.
After the input tube 5 and the U-shaped tube 53 are welded, the input tube 5 is turned upside down, so that the diversion holes 53 of the input tube 5 are sleeved on the circular tube 33 on the second support plate 3, the input tube 5 is fixed on the second support plate 3, and the tube body of the input tube 5 is positioned in the gap between the two extension plates 312 and attached to the arc surface on the front end surface of the second limiting member 311. Through setting up extension plate 312, can restrict the displacement of input tube 5 in the horizontal direction during welding, prevent that input tube 5 from coming off from positioner in the welding process, improve welding jobs's stability. The arc surface enables the input tube 5 to better fit with the positioning device when being placed in the gap between the extension plates 312, thereby reducing the abrasion between the positioning device and the surface of the input tube 5, improving the surface quality of the input tube 5, and enabling the positioning device to fix the input tube 5 more stably.
Then, the front end of the clamp block 324 is lifted, the spring 325 is in a compressed state, one end of the copper pipe 51 is inserted into the end of the input pipe 5 welded thereto, the other end of the copper pipe 51 is placed in the arc groove 326 of the fixed block 322, then the clamp block 324 is lowered, the clamp block 324 is pressed down under the action of the spring 325, and the arc groove 326 of the clamp block 324 presses the copper pipe 51 from above. And introducing protective gas into the gas inlet on the second support 31, wherein the protective gas enters the input pipe 5 through the second support 31, the circular pipe 33 and the diversion hole 53, welding and protecting the welding position of the input pipe 5 and the copper pipe 51, and finally welding the connecting position of the copper pipe 51 and the input pipe 5.
In order to further improve the fixing effect of the input tube 5 during welding, in the present embodiment, the two extension plates 312 are provided with screw holes 313 extending in the width direction of the second bracket 31 and penetrating through the extension plates 312, so that bolts can be screwed into the screw holes 313 from both sides of the extension plates 312 to further clamp the input tube 5, thereby preventing the input tube from falling off.
In order to prevent the copper pipe 51 from being deformed by the impact and pressure of the copper pipe 51 caused by the rapid depression of the clamping block 324 due to the excessive elastic force of the spring 325. In this embodiment, a downwardly extending limiting pillar 327 is disposed in the middle of the lower end surface of the clamping plate 323, and when the clamping block 324 is pressed down to a height sufficient for clamping the copper tube 51, the bottom end of the limiting pillar 327 contacts with the upper end surface of the mounting plate 321 and abuts against the clamping plate 323, so as to prevent the copper tube 51 from deforming due to the fact that the clamping block 323 is pressed down continuously under the action of the spring 325.
In order to facilitate the operation of the clamping mechanism 32 by the operator, in this embodiment, a handle 328 is installed on the upper side of the front end of the clamping plate 323, and the operator can hold the handle 328 for operation, which is convenient and fast.
It should be mentioned that, in this embodiment, an air supply device 8 is disposed at a central point of the upper end surface of the turntable 6, the air supply device 8 is a cylindrical structure, an air inlet is disposed at an upper end of the air supply device, the air inlet is externally connected to a shielding gas source, a plurality of air outlets are disposed at a side surface of the air supply device, each air outlet is connected to an air inlet at the rear side of the first support plate 2 and the second support plate 3 through a pipeline, and the shielding gas is introduced into the input pipes 5 on the first support plate 2 and the second support plate 3. The gas supply device 8 can rotate together with the turntable 6 and the positioning device, protective gas is introduced into the input pipe 5 in real time, the situations that the supply of the protective gas is interrupted, the supply is insufficient, equipment stops working, the protective gas is introduced when waiting for the equipment to work and the like can be avoided, and the welding quality and the stability of the welding process are effectively improved. It should be noted that the connection pipeline between the air supply device 8 and the air inlet needs to be a pipeline with certain strength, and a hose cannot be used, because the hose can cause a plurality of hoses to be wound together during the rotation of the rotating disc 6, which affects the operation of the subsequent equipment. The protective gas used in this example was nitrogen.
In conclusion, the positioning device is specially used for the condenser input tube, the condenser can be conveniently and quickly welded, positioned and fixed, the device can be used together with the welding equipment provided by the invention, the pipelines at two ends of the input tube can be welded simultaneously, the welding efficiency of the condenser input tube is greatly improved, particularly, the clamping mechanism conveniently and quickly compresses the copper tube through the spring, the spring is matched with the arc groove structure, the copper tube cannot be excessively stressed, the copper tube is not easy to deform, and the quality of the finally formed condenser input tube is improved.
The specific welding process of the welding equipment is as follows:
1. and starting the welding device 7, the cooling device and the gas supply device 8, and introducing protective gas into gas inlets on the rear sides of the two support plates of the positioning device by the gas supply device 8. One end of the input pipe 5 welded with the copper pipe 51 is inserted into the first insert cylinder 4, then, two ends of the U-shaped pipe 52 are respectively inserted into the second insert cylinder 22 and the other end of the input pipe 5, the input pipe 5 is moved to the welding device 7 by rotating the rotary table 6, and the welding device 6 welds the joint of the U-shaped pipe 52 and the input pipe 5. Subsequently, the input pipe 5 is moved to the cooling device by continuing to rotate the turntable 6, and the cooling device cools the input pipe 5.
2. Step one, the welded input pipe 5 is removed, the input pipe 5 is turned upside down, and the shunting holes 53 on the input pipe are sleeved on the circular pipe 33. Next, the clamping block 324 is lifted up, so that one end of the copper tube 51 is inserted into the upper end of the input tube 5, and the other end is placed in the arc groove 326 of the fixing block 322, the clamping block 324 is lowered down to clamp the copper tube 51, and simultaneously, another input tube 5 to be welded is placed on the first support plate 2.
3. And rotating the turntable 6 to move the two input pipes 5 to the welding device 7, wherein the welding device 7 respectively welds the joint of the input pipe 5 on the first support plate 2 and the U-shaped pipe 52 and welds the joint of the input pipe 5 on the second support plate 2 and the copper pipe 51. Subsequently, the input pipe 5 is moved to the cooling device by continuing to rotate the turntable 6, and the cooling device cools the input pipe 5.
4. And (3) taking down the two input pipes 5 and repeating the operation of the first step and the operation of the second step, so that the full-automatic welding of the pipelines at the two ends of the input pipes 5 can be completed, the two input pipes can be operated simultaneously, and the welding efficiency is greatly improved.
The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention should fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides an air conditioner condenser input tube automatic weld equipment, includes carousel (6), sets up welding set (7) and the cooling device at carousel (6) side, carousel (6) bottom is equipped with drive carousel (6) pivoted drive arrangement, its characterized in that: the device also comprises a plurality of positioning devices arranged along the circumferential direction of the rotating disc (6); the positioning device comprises a base (1), wherein a first support plate (2), a second support plate (3) and a first inserting barrel (4) with an opening at the upper end are arranged on the base (1);
a first support (21) is arranged on the first support (2), a second inserting cylinder (22) with an opening at the upper end is arranged on the first support (21), and an arc clamping groove (41) is formed in the side edge of the upper end of the first inserting cylinder (4);
the second support plate (3) is provided with a second bracket (31) and a clamping mechanism (32); the front end of the second bracket (31) is provided with a round pipe (33); the clamping mechanism (32) comprises a mounting plate (321), a fixing block (322), a clamping plate (323) and a clamping block (324); the mounting plate (321) is fixedly mounted at the upper end of the second support plate (3), and the fixing block (322) is fixedly mounted at the front end of the mounting plate (321); the rear end of the clamping plate (323) is connected with the rear end of the upper end surface of the mounting plate (321) through a spring (325), and the clamping block (324) is fixedly mounted at the front end of the clamping plate (323); the upper side of the fixed block (322) and the lower side of the clamping block (324) are respectively provided with an arc groove (326) at corresponding positions;
a second limiting piece (311) is arranged on the lower side of the front end of the second support (31), two extension plates (312) extend forwards from two sides of the front end of the second limiting piece (311), and a gap is formed between the two extension plates (312);
the interior of the first support (21) is of a hollow structure, and an air inlet communicated with the rear side of the first support plate (2) is formed in the joint of the first support (21) and the first support plate (2); the lower end of the second insert cylinder (22) is communicated with the inside of the first bracket (21);
the interior of the second bracket (31) is of a hollow structure, and an air inlet communicated with the rear side of the second support plate (3) is formed in the joint of the second bracket and the second support plate (3); the front end of the round pipe (33) is of an open structure, and the rear end of the round pipe is communicated with the inside of the second bracket (31);
the middle part of carousel (6) up end is equipped with air feeder (8), air feeder (8) are gone up and have air inlet and a plurality of gas outlet, the external protection air supply of air inlet, the gas outlet is respectively through pipe connection first extension board (2) and second extension board (3) rear side the air inlet.
2. An automatic welding device for an input tube of an air conditioner condenser as claimed in claim 1, wherein: and a limiting column (327) extending downwards is arranged in the middle of the lower end face of the clamping plate (323).
3. An automatic welding device for an input pipe of an air conditioner condenser as claimed in claim 2, wherein: the front end face of the second limiting piece (311) is provided with an arc surface.
4. An automatic welding device for an input tube of an air conditioner condenser as claimed in claim 3, wherein: the extension plate (312) is provided with a screw hole (313) extending along the width direction of the second bracket (31).
5. An automatic welding device for an input pipe of an air conditioner condenser as claimed in claim 4, wherein: the front end face of the first support (21) is provided with an arc surface, two sides of the front end of the first support extend forwards to form an extension block (211), and a gap is formed between the two extension blocks (211).
6. An automatic welding method for an input pipe of an air conditioner condenser, which adopts the automatic welding equipment for the input pipe of the air conditioner condenser as claimed in any one of claims 1 to 5, and comprises the following steps:
1. starting a welding device (7) and a cooling device, inserting one end of an input pipe (5) welded with a copper pipe (51) into a first inserting barrel (4), then respectively inserting two ends of a U-shaped pipe (52) into the other ends of a second inserting barrel (22) and the input pipe (5), rotating a turntable (6) to enable the input pipe (5) to move to the welding device (7), welding the joint of the U-shaped pipe (52) and the input pipe (5) by the welding device (7), then continuously rotating the turntable (6) to enable the input pipe (5) to move to the cooling device, and cooling the input pipe (5) by the cooling device;
2. taking down the input pipe (5) welded in the first step, enabling the input pipe (5) to be turned upside down and enabling a shunting hole (53) on the input pipe to be sleeved on the round pipe (33), then, lifting up the clamping block (324), enabling one end of the copper pipe (51) to be inserted into the upper end of the input pipe (5), enabling the other end of the copper pipe to be placed in the arc groove (326) of the fixing block (322), putting down the clamping block (324) to clamp the copper pipe (51), and meanwhile, placing another input pipe (5) to be welded on the first supporting plate (2);
3. rotating the turntable (6) to enable the two input pipes (5) to move to the welding device (7), welding the joints of the input pipes (5) and the U-shaped pipes (52) on the first support plate (2) and the joints of the input pipes (5) and the copper pipes (51) on the second support plate (3) by the welding device (7), continuing to rotate the turntable (6) to enable the input pipes (5) to move to the cooling device, and cooling the input pipes (5) by the cooling device;
4. removing the two input pipes (5) and repeating the operation of the first step and the second step.
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CN114226913B (en) * | 2021-12-30 | 2023-07-21 | 镇江逸宝特种空调有限公司 | Automatic welding device for special air conditioner core and use method thereof |
CN115647700B (en) * | 2022-09-29 | 2024-06-21 | 山东华创融盛展示有限公司 | Shoe supporting plate processing equipment and application method thereof |
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JP3226091B2 (en) * | 1997-02-14 | 2001-11-05 | 日立プラント建設株式会社 | Automatic pipe welding equipment |
JP3899173B2 (en) * | 1997-12-17 | 2007-03-28 | 昭和電工株式会社 | Heat exchanger |
CN101362270B (en) * | 2008-09-11 | 2010-09-15 | 海信(山东)空调有限公司 | Air conditioner four way-valve welding frock |
CN106735683A (en) * | 2017-01-04 | 2017-05-31 | 佛山市奥拓玛智能设备有限公司 | Domestic air conditioning muffler assembly multi-station rotary-disk automatic flame brazing machine |
CN208051103U (en) * | 2018-04-08 | 2018-11-06 | 南京凯微机电科技有限公司 | A kind of brazing tooling turntable for air conditioning for automobiles copper pipe to be clamped |
CN208929546U (en) * | 2018-08-20 | 2019-06-04 | 格力电器(武汉)有限公司 | Tool for welding air conditioner pipe |
CN210060288U (en) * | 2019-03-27 | 2020-02-14 | 武汉泰诺福伦机械有限公司 | Welding tool for air conditioner condenser inlet pipe |
CN211102007U (en) * | 2019-06-24 | 2020-07-28 | 台州市华丰空调阀门有限公司 | Multi-station rotating disc type automatic flame welding and brazing tool for air conditioner silencer |
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US3433882A (en) * | 1966-05-18 | 1969-03-18 | Elektriska Svetsnings Ab | Composite welding hose |
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