Welding device for machining sleeve condenser

Abstract

The invention discloses a welding device for sleeve condenser machining, and relates to the technical field of sleeve condenser welding. The automatic welding device comprises an objective table, a longitudinal linear sliding rail module is longitudinally arranged on the front face of the objective table, two welding assemblies are arranged on the longitudinal linear sliding rail module, and the longitudinal linear sliding rail module can drive the two welding assemblies to be away from or close to the objective table. According to the double-pipe condenser welding device, the connectors are pre-inserted into the connector positioning pieces, then the spiral double-pipe condenser is flatly laid on the objective table, the longitudinal linear sliding rail module drives the welding assemblies to be close to the double-pipe condenser, the outer pipe is sleeved with the connectors on the two welding assemblies at the same time, and the inner pipe penetrates through the connectors and abuts against the inner pipe positioning pieces; and then, the two welding heads rotate around the connector, the two ends of the connector are welded at the same time, welding of the spiral sleeve condenser connector is rapidly achieved, the welding efficiency is high, and rapid splicing welding of the sleeve condenser can be conducted.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sleeve condenser welding, in particular to a welding device for sleeve condenser processing. BACKGROUND

[0002] The sleeve condenser is a water-cooled heat exchange equipment composed of two different diameter pipe nesting. The outer pipe usually adopts a 50mm inner diameter seamless steel pipe, and the inner pipe is a purple copper pipe or a rolled low-rib purple copper pipe, which is bent to form a spiral structure. The refrigerant vapor enters the cavity between the inner and outer pipes from the top of the sleeve condenser, and flows into the liquid reservoir after condensing on the outer surface of the inner pipe; the cooling water enters the inner pipe from the bottom in a countercurrent manner from bottom to top to exchange heat with the refrigerant.

[0003] In the Chinese patent (publication number: CN119035902B), a welding device for sleeve condenser processing is disclosed. The sleeve condenser to be welded is placed on the buffer pad of the fixed mounting frame. The driving motor drives the movable lifting frame to descend, and the two buffer pads press the sleeve condenser to fix it. When installing multiple welding heads, the multiple welding heads weld the positions between the upper and lower pipes of the sleeve condenser. When installing one welding head, the welding head welds the positions between the upper and lower pipes of the sleeve condenser. The welding head moves up and down to weld different positions between the upper and lower pipes of the condenser.

[0004] The above-mentioned patent uses an up-and-down clamping method to achieve clamping and fixing of the sleeve condenser. It can only weld simple straight tube-shaped sleeve condensers. For spiral structure sleeve condensers, the main welding position of the outer pipe and the inner pipe is on the side. When welding the outer pipe and the inner pipe, additional corresponding connecting heads are needed. The centering, positioning and point fixing of the inner and outer pipes are needed, and then the welder holds the welding gun to weld, which is low in welding efficiency.

[0005] At the same time, in the actual processing process, different specifications and requirements of the condenser require different lengths of pipes. Therefore, multiple spiral structure sleeve condensers need to be spliced together. The existing equipment cannot realize splicing and welding. Splicing and welding mainly rely on manual work. Once the welding position deviates, it is easy to cause the splicing distance between adjacent sleeve condensers to be too large or the splicing to be skewed. SUMMARY

[0006] The purpose of the present application is to solve the above-mentioned problems. The present application provides a welding device for sleeve condenser processing.

[0007] In order to achieve the above-mentioned purpose, the present application specifically adopts the following technical solutions:

[0008] The utility model provides a welding device for sleeve condenser processing, including stage, the front of stage is provided with longitudinal linear slide rail module, is provided with two groups of welding assembly on longitudinal linear slide rail module, two groups of welding assembly distributes up and down, longitudinal linear slide rail module can drive two groups of welding assembly to be far away or close to stage,

[0009] The welding assembly comprises a U-shaped support mounted on the longitudinal linear slide rail module, two guide rings are mounted on the top of the end of the U-shaped support close to the stage, and the mounting position is located between the two guide rings, a connecting head positioning member is welded in the middle of the two guide rings, an inner tube positioning member is mounted on the top of the end of the U-shaped support close to the stage, the axis of the inner tube positioning member is collinear with the axis of the connecting head positioning member, and welding heads are arranged on the outer sides of the two guide rings and can rotate around the guide rings.

[0010] Further, sliding blocks are slidably connected to the outer sides of the guide rings, mounting plates are fixedly mounted on the outer sides of the sliding blocks, the welding heads are mounted on the mounting plates, servo motors are mounted on the mounting plates, and the servo motors drive the mounting plates to rotate around the guide rings through gears.

[0011] Further, fine adjustment cylinders are mounted on the outer sides of the mounting plates, and the welding heads are fixedly mounted on the telescopic heads of the fine adjustment cylinders.

[0012] Further, a plurality of sockets are annularly formed on the end of the connecting head positioning member close to the stage, and the inner tube connecting pipes on adjacent sleeve condensers can be inserted into the sockets.

[0013] Further, a tapered slot is formed on the end of the inner tube positioning member close to the stage.

[0014] Further, a horizontal linear slide rail module is fixedly mounted on the longitudinal linear slide rail module, the lower welding assembly is mounted on the slide seat of the horizontal linear slide rail module, and the upper welding assembly is mounted on the base of the horizontal linear slide rail module.

[0015] Further, a feeding port is arranged on the right side of the stage, two groups of main telescopic cylinders are fixedly mounted on the left side of the stage, main top plates are fixedly mounted on the right sides of the telescopic ends of the main telescopic cylinders, the main top plates are arranged in an L shape, two groups of auxiliary telescopic cylinders are mounted on the main top plates, and auxiliary top plates are fixedly mounted on the front surfaces of the telescopic ends of the auxiliary telescopic cylinders.

[0016] Further, rails are arranged on the front surfaces and back surfaces of the top of the stage, the rails are composed of two guide columns, and the welding positions of the sleeve condensers can pass through the rails.

[0017] Further, sliding sleeves are arranged at the two ends of the main top plates and are sleeved on the guide columns.

[0018] The utility model has the advantages of the following:

[0019] 1. The application realizes the quick centering and positioning of the three by pre-inserting the connecting head into the connecting head positioning member first, then laying the spiral sleeve condenser horizontally on the object table, driving the welding assembly to approach the sleeve condenser by the longitudinal linear slide rail module, and simultaneously sleeving the connecting head on the outer tube on the two welding assemblies, and the inner tube penetrates the connecting head and is topped on the inner tube positioning member.

[0020] 2. The application can correspond to the position of the inner tube to be connected on the adjacent sleeve condenser by adjusting the distance between the two welding assemblies, then sleeving the inner tube connecting pipe on the inner tube, adjusting the welding position of the inner tube connecting pipe by setting the socket depth, so that the welding head can be used for welding, and the sleeve condenser is quickly spliced and welded, the welding efficiency is high, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the sleeve condenser welding schematic diagram of the application;

[0022] Figure 2 is the welding device three-dimensional structure schematic diagram of the application;

[0023] Figure 3 is the welding assembly structure schematic diagram of the application;

[0024] Figure 4 is the connecting head positioning member cross-sectional structure schematic diagram of the application;

[0025] Figure 5 is the inner tube positioning member cross-sectional structure schematic diagram of the application;

[0026] Figure 6 is the single sleeve condenser structure schematic diagram of the application;

[0027] Figure 7 is the multi-sleeve condenser structure schematic diagram of the application.

[0028] The drawings show that: 1, the object table; 2, the longitudinal linear slide rail module; 3, the transverse linear slide rail module; 4, the welding assembly; 41, the U-shaped support; 42, the guide ring; 43, the connecting head positioning member; 431, the socket; 44, the inner tube positioning member; 441, the conical groove; 45, the sliding block; 46, the mounting plate; 47, the welding head; 48, the fine adjustment air cylinder; 5, the main telescopic air cylinder; 6, the main top plate; 7, the auxiliary telescopic air cylinder; 8, the auxiliary top plate; 9, the outer tube; 10, the inner tube; 11, the connecting head; 12, the inner tube connecting pipe. DETAILED DESCRIPTION

[0029] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0030] Embodiment one, as shown, a welding device for processing of a sleeve condenser, comprising a worktable 1, the front of the worktable 1 is longitudinally provided with a longitudinal linear slide rail module 2, two groups of welding assemblies 4 are arranged on the longitudinal linear slide rail module 2, the two groups of welding assemblies 4 are distributed above and below, and the longitudinal linear slide rail module 2 can drive the two groups of welding assemblies 4 to move away from or close to the worktable 1. Figures 1-7

[0031] The welding assembly 4 comprises a U-shaped support 41 mounted on the longitudinal linear slide rail module 2, two guide rings 42 are mounted on the top of the end of the U-shaped support 41 close to the worktable 1, and the mounting positions are located between the two guide rings 42, a connecting head positioning piece 43 is welded in the middle of the two guide rings 42, an inner tube positioning piece 44 is mounted on the top of the end of the U-shaped support 41 close to the worktable 1, the axis of the inner tube positioning piece 44 is collinear with the axis of the connecting head positioning piece 43, welding heads 47 are arranged on the outer sides of the two guide rings 42, and the welding heads 47 can rotate around the guide rings 42.

[0032] Preferably, a sliding block 45 is slidingly connected to the outer side of the guide ring 42, a mounting plate 46 is fixedly mounted on the outer side of the sliding block 45, the welding head 47 is mounted on the mounting plate 46, a servo motor is mounted on the mounting plate 46, and the servo motor drives the mounting plate 46 to rotate around the guide ring 42 through a gear.

[0033] Preferably, a fine adjustment air cylinder 48 is mounted on the outer side of the mounting plate 46, and the welding head 47 is fixedly mounted on the telescopic head of the fine adjustment air cylinder 48.

[0034] Preferably, a tapered groove 441 is formed in the end of the inner tube positioning piece 44 close to the worktable 1, the inner tube 10 is inserted into the tapered groove 441, the inner tube 10 is corrected towards the inside of the tapered groove 441, the inner tube 10 is centered and positioned, and it should be noted that the hole position in the inner tube positioning piece 44 is a mounting hole position, which is mounted on the U-shaped support 41 through a bolt.

[0035] Preferably, a feeding port is arranged on the right side of the worktable 1, two groups of main telescopic air cylinders 5 are fixedly mounted on the left side of the worktable 1, a main top plate 6 is fixedly mounted on the right side of the telescopic end of the main telescopic air cylinder 5, the main top plate 6 is arranged in an L shape, two groups of auxiliary telescopic air cylinders 7 are mounted on the main top plate 6, and a auxiliary top plate 8 is fixedly mounted on the front of the telescopic end of the auxiliary telescopic air cylinder 7.

[0036] Preferably, a handrail is arranged on the front and back of the top of the worktable 1, the handrail is composed of two guide columns, and the welding position of the sleeve condenser can pass through the handrail. ​

[0037] Preferably, the two ends of the main top plate 6 are provided with sliding sleeves which are sleeved on guide columns to improve the stability of the movement of the main top plate 6.

[0038] The embodiment mainly provides a single spiral type sleeve condenser welding method;

[0039] The sleeve condenser is placed on the object table 1, then the auxiliary telescopic cylinder 7 is controlled to operate, the auxiliary telescopic cylinder 7 drives the auxiliary top plate 8 to approach the sleeve condenser, the sleeve condenser is pushed to the welding assembly 4, the sleeve condenser is clamped between the auxiliary top plate 8 and the front rail, the welding position of the sleeve condenser passes through the rail, then the connecting head 11 is inserted into the connecting head positioning piece 43, the connecting head 11 penetrates through the connecting head positioning piece 43, the inner cavity of the connecting head positioning piece 43 is matched with the shape of the connecting head 11, the longitudinal linear slide rail module 2 is controlled to operate, the longitudinal linear slide rail module 2 drives the welding assembly 4 to approach the sleeve condenser, the outer tube 9 of the sleeve condenser is inserted into the connecting head 11, and the inner tube 10 penetrates through the connecting head 11 and is inserted into the inner tube positioning piece 44, under the guidance of the conical groove 441, the inner tube 10 is centered and positioned with the outer tube 9 and the connecting head 11, after positioning, since the position of the connecting head 11 is determined, the welding position is determined, two groups of welding heads 47 are started to weld the welding positions at two ends of the connecting head 11 at the same time, the servo motor drives the mounting plate 46 to rotate around the guide ring 42 through the gear, so that the welding head 47 rotates around the welding position, the annular welding of the welding position is realized, after welding, the longitudinal linear slide rail module 2 drives the welding assembly 4 to move away from the sleeve condenser, at the same time, the auxiliary telescopic cylinder 7 moves the auxiliary top plate 8 away from the sleeve condenser, and the sleeve condenser can be taken down.

[0040] If the factory cost allows, two groups of mechanical hands can be configured, one for feeding and discharging, and the other for placing the connecting head 11.

[0041] In the second embodiment, on the basis of the above-mentioned embodiment, a plurality of sockets 431 are annularly arranged on one end of the connecting head positioning piece 43 close to the object table 1, and the inner tube connecting pipe 12 on the adjacent sleeve condenser can be inserted into the socket 431, through the arrangement of the socket 431, the branch pipe on the connecting head 11 will not affect the positioning of the connecting head 11, and the inner tube connecting pipe 12 can be embedded therein, the depth of the socket 431 is controlled to control the welding position of the inner tube connecting pipe 12 and the inner tube 10, so that it can be welded by the welding head 47.

[0042] Preferably, the longitudinal linear slide rail module 2 is fixedly installed with a transverse linear slide rail module 3, and the lower welding assembly 4 is installed on the sliding seat of the transverse linear slide rail module 3, and the upper welding assembly 4 is installed on the base of the transverse linear slide rail module 3. Through the design, the upper welding assembly 4 will not affect the movement of the lower welding assembly 4, and the U-shaped support 41 in the upper welding assembly 4 is erected in the air, so that the lower welding assembly 4 can move below the upper welding assembly 4, and the adaptability is higher.

[0043] The embodiment mainly provides a welding method for multiple spiral shell condensers;

[0044] After the first shell condenser is welded by the above steps, the main telescopic cylinder 5 is controlled to operate, the main telescopic cylinder 5 drives the main top plate 6 to slide to the left, then the second condenser is loaded, the second condenser is pushed to approach the main top plate 6 together with the first condenser by manual or mechanical hand, and the first condenser is placed on the main top plate 6, and the loading platform 1 of the application can be provided to be inclined to the left, so that the shell condenser slides to the main top plate 6 under the action of gravity, so that manual operation is more convenient, then the steps in the first embodiment are repeated to weld the connecting head 11 of the second condenser, after the welding is completed, the longitudinal linear slide rail module 2 drives the welding assembly 4 to move away from the condenser, then the transverse linear slide rail module 3 is controlled to operate, the transverse linear slide rail module 3 drives the lower welding assembly 4 to approach the upper welding assembly 4, the position of the upper welding assembly 4 is unchanged, corresponding to the inlet above the inner tube 10 of the second condenser, the lower welding assembly 4 needs to be moved to the outlet below the inner tube 10 of the first condenser, at this time, the lower welding assembly 4 is located directly below the upper welding assembly 4, (generally, the outlet and the inlet of the inner tube 10 of the adjacent shell condenser are on the same vertical plane, if there is a special situation, the opening position of the plug 431 can be adjusted.) there is enough rotating operation space between the two for the welding head 47, and no structural interference occurs, then the inner tube connecting pipe 12 is sleeved on the corresponding inner tube 10, then the welding assembly 4 is driven by the longitudinal linear slide rail module 2 to approach the inner tube connecting pipe 12, the inner tube connecting pipe 12 is just embedded in the corresponding plug 431, the depth of the plug 431 is set, so that the welding position of the inner tube connecting pipe 12 and the inner tube 10 is just located at the welding position of the welding head 47 close to the side of the loading platform 1, at this time, the welding head 47 is controlled to operate and rotate around the guide ring 42, the inner tube connecting pipe 12 is welded, and the welding of the adjacent shell condensers is realized, and the welding efficiency is high.

[0045] Meanwhile, through the adjustable position of the main top plate 6 and the adjustable spacing of the two welding assemblies 4, the shell condenser welding of different spiral turns can be applied.

[0046] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and that the appended claims are intended to cover all such modifications that do not depart from the true spirit and scope of the application. Therefore, the application is not limited to the embodiments shown but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A welding apparatus for processing a shell-and-tube condenser, comprising a stage (1), characterized in that, The front of the platform (1) is provided with a longitudinal linear slide rail module (2), and two sets of welding components (4) are provided on the longitudinal linear slide rail module (2). The two sets of welding components (4) are distributed vertically, and the longitudinal linear slide rail module (2) can drive the two sets of welding components (4) away from or close to the platform (1). The welding assembly (4) includes a U-shaped bracket (41) mounted on the longitudinal linear slide rail module (2). Two guide rings (42) are installed on the top of the U-shaped bracket (41) near the platform (1), and the installation position is between the two guide rings (42). A connector positioning component (43) is welded in the middle of the two guide rings (42). An inner tube positioning component (44) is installed on the top of the U-shaped bracket (41) near the platform (1). The axis of the inner tube positioning component (44) is collinear with the axis of the connector positioning component (43). Welding heads (47) are provided on the outer side of the two guide rings (42). The welding heads (47) can rotate around the guide rings (42).

2. The welding apparatus for processing a sleeve condenser according to claim 1, characterized in that, A slider (45) is slidably connected to the outside of the guide ring (42), and an mounting plate (46) is fixedly installed on the outside of the slider (45). The welding head (47) is installed on the mounting plate (46), and a servo motor is installed on the mounting plate (46). The servo motor drives the mounting plate (46) to rotate around the guide ring (42) through gears.

3. The welding apparatus for processing a sleeve condenser according to claim 2, characterized in that, A fine-tuning cylinder (48) is installed on the outside of the mounting plate (46), and a welding head (47) is fixedly installed on the telescopic head of the fine-tuning cylinder (48).

4. The welding apparatus for processing a sleeve condenser according to claim 3, characterized in that, The connector positioning component (43) has several sockets (431) in a ring shape at one end near the platform (1), and the inner tube connecting pipe (12) on the adjacent sleeve condenser can be inserted into the sockets (431).

5. The welding apparatus for processing a sleeve condenser according to claim 4, characterized in that, The inner tube positioning component (44) has a conical groove (441) at one end near the platform (1).

6. The welding apparatus for processing a sleeve condenser according to claim 5, characterized in that, The longitudinal linear slide rail module (2) is fixedly installed with a transverse linear slide rail module (3), the lower welding component (4) is installed on the slide of the transverse linear slide rail module (3), and the upper welding component (4) is installed on the base of the transverse linear slide rail module (3).

7. A welding apparatus for processing a sleeve condenser according to any one of claims 1-6, characterized in that, The loading port is provided on the right side of the loading platform (1), and two sets of main telescopic cylinders (5) are fixedly installed on the left side of the loading platform (1). A main top plate (6) is fixedly installed on the right side of the telescopic end of the main telescopic cylinder (5). The main top plate (6) is L-shaped. Two sets of auxiliary telescopic cylinders (7) are installed on the main top plate (6). A auxiliary top plate (8) is fixedly installed on the front of the telescopic end of the auxiliary telescopic cylinder (7).

8. The welding apparatus for processing a sleeve condenser according to claim 7, characterized in that, The top of the platform (1) is equipped with railings on both the front and back sides. The railings consist of two guide posts, and the welding position of the sleeve condenser can pass through the railings.

9. The welding apparatus for processing a sleeve condenser according to claim 8, characterized in that, Both ends of the main top plate (6) are provided with sliding sleeves, which are sleeved on the guide posts.

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