CN118180780A - Welding equipment for plate-fin heat exchanger - Google Patents

Abstract

The invention discloses a plate-fin heat exchanger welding device, which belongs to the technical field of welding devices and comprises a base and a heat exchanger clamping assembly, wherein a supporting seat is fixedly arranged on the outer side of the base, a shell is connected and arranged at the top end of the supporting seat, a push rod motor is arranged in the base, an output shaft of the push rod motor is connected with a lifting seat, a driving motor is arranged in the lifting seat, and an output shaft of the driving motor is connected with a rotating seat. The invention can perform continuous welding work, improves the working efficiency, is applicable to plate-fin heat exchangers of different types, and has strong practicability.

Description

A plate-fin heat exchanger welding equipment

Technical Field

The invention relates to the technical field of welding equipment, and in particular to a plate-fin heat exchanger welding equipment.

Background technique

Plate-fin heat exchanger: usually composed of baffles, fins, seals, and guide vanes. Fins, guide vanes, and seals are placed between two adjacent baffles to form a sandwich, called a channel. Such sandwiches are stacked up according to different fluids and brazed into a whole to form a plate bundle. The plate bundle is the core of the plate-fin heat exchanger, and it is equipped with necessary heads, pipes, supports, etc. to form a plate-fin heat exchanger. In the production process of plate-fin radiators, welding devices are required to weld fins and baffles. The existing plate-fin heat exchanger welding equipment has low welding efficiency and cannot be automatically adjusted according to different models of heat exchangers. There are certain limitations. Therefore, it is necessary to design a plate-fin heat exchanger welding equipment to solve this problem.

Summary of the invention

In view of the deficiencies in the prior art, the present invention provides a plate-fin heat exchanger welding device, which overcomes the deficiencies in the prior art and aims to solve the problems in the background technology.

To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a plate-fin heat exchanger welding device, comprising a base and a heat exchanger clamping assembly, a support base is fixedly installed on the outside of the base, and a housing is connected to the top of the support base, a push rod motor is arranged in the base, and the output shaft of the push rod motor is connected to the lifting seat, and a driving motor is arranged in the lifting seat, and the output shaft of the driving motor is connected to the rotating seat;

A first screw is rotatably connected in the rotating seat, and a first connecting block is connected to the outside of the first screw by a thread, a connecting seat is fixedly installed on the outside of the first connecting block, a second screw is rotatably connected in the connecting seat, and a moving rod is connected to the outside of the second screw by a thread, a connecting rod is slidably connected in the moving rod, and a telescopic rod is fixedly installed on one end of the connecting rod;

The heat exchanger clamping assembly comprises a heat exchanger body and a fastening frame, wherein there are four fastening frames, and the fastening frames are connected by fastening rods, a limit plate is arranged inside the fastening frame, and fastening bolts are connected at both ends of the fastening rods by threads;

The top inner wall of the casing is rotatably connected with a third screw, and the outer side of the third screw is connected with a second connection block through a thread, a mobile frame is fixedly installed at the bottom of the second connection block, a fourth screw is rotatably connected in the mobile frame, and the outer side of the fourth screw is connected with the third connection block through a thread, a processing rod is fixedly installed at the bottom of the third connection block, a welding head is connected and installed on one side of the processing rod, and an air intake port is opened;

A welding machine, a dust collector, an observation window and a control panel are fixedly installed on the outer side of the casing. The welding machine is connected to the welding head through a line, and the dust collector is connected to the air intake port through a pipeline.

As a preferred technical solution of the present invention, the housing and the rotating seat both adopt a polygonal structure design, and the interior is divided into multiple workstations through the polygonal design, so as to facilitate welding work at the same time and speed up welding efficiency.

As a preferred technical solution of the present invention, the fastening rod includes a fixed tube, and a telescopic tube is slidably connected inside the fixed tube, a tension spring is connected between the fixed tube and the telescopic tube, and the tension spring is sleeved on the outside of the telescopic tube. The length of the fastening rod can be changed by sliding to adapt to different models of heat exchanger bodies, and the tension of the tension spring can enhance the fastening effect.

As a preferred technical solution of the present invention, positioning holes adapted to the fastening bolts are provided in the movable rod and the telescopic rod, so as to facilitate connecting the heat exchanger clamping assembly with the movable rod and the telescopic rod through the positioning holes.

As a preferred technical solution of the present invention, there are several groups of processing rods, and the number is consistent with the number of side edges of the casing. Each group of processing rods has two processing rods, and half of the processing rods are facing inward and half of the processing rods are facing outward. Both sides of the heat exchanger body can be welded by processing rods with different directions.

As a preferred technical solution of the present invention, a loading seat is connected to one side of the base, and a limiting groove is provided on the top of the loading seat. The top of the limiting groove is connected to the bottom of the connecting rod to facilitate loading and unloading.

As a preferred technical solution of the present invention, the first screw, the second screw, the third screw and the fourth screw are all electric screws with motors.

Beneficial effects of the present invention:

A plurality of heat exchanger bodies are clamped by means of a fastening frame and a fastening rod, and the fastening rod can be adjusted according to the model of the heat exchanger body, and is suitable for heat exchanger bodies of different models.

A processing rod is provided, and welding is performed through a welding head. The processing rod is arranged in two directions, so welding work can be performed on both sides of the heat exchanger body. The lifting and lowering of the heat exchanger clamping assembly is controlled by a push rod motor, and the position of the processing rod is adjusted in conjunction with the third screw and the fourth screw, so that all-round welding work can be performed on the side of the heat exchanger body.

The processing rod is also provided with an air intake port, which is connected to a dust collector to absorb welding smoke and welding slag, making it easy to clean.

Through the polygonal design of the casing and the rotating seat, the welding equipment is divided into a multi-station structure, which can carry out welding work at the same time and speed up the welding efficiency. In addition, a loading seat is designed to facilitate loading and unloading work.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a 3D structure of the present invention;

FIG2 is a schematic diagram of the 3D structure of the heat exchanger clamping assembly of the present invention;

FIG3 is a top view of the present invention;

FIG4 is a schematic diagram of the front structure of the present invention;

FIG5 is a schematic diagram of the side structure of the present invention;

FIG6 is a front structural schematic diagram of a heat exchanger clamping assembly in the present invention;

FIG7 is a schematic diagram of the top view of the structure of the heat exchanger clamping assembly in the present invention;

FIG. 8 is a schematic diagram of the connection structure of A in FIG. 4 of the present invention.

In the figure: 1. base; 2. support base; 3. casing; 4. push rod motor; 5. lifting base; 6. driving motor; 7. rotating base; 8. first screw rod; 9. first connecting block; 10. connecting base; 11. second screw rod; 12. moving rod; 13. connecting rod; 14. telescopic rod; 15. heat exchanger clamping assembly; 16. heat exchanger body; 17. fastening frame; 18. fastening rod; 19. limit plate; 20. fixed pipe; 21. telescopic pipe; 22. tension spring; 23. fastening bolt; 24. third screw rod; 25. second connecting block; 26. moving frame; 27. fourth screw rod; 28. third connecting block; 29. processing rod; 30. welding head; 31. air inlet; 32. welding machine; 33. dust collector; 34. observation window; 35. control panel; 36. loading base.

Detailed ways

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.

Example

Please refer to Figures 1 to 8, a plate-fin heat exchanger welding device includes a base 1 and a heat exchanger clamping assembly 15, a support base 2 is fixedly installed on the outer side of the base 1, and a casing 3 is connected to the top of the support base 2, a push rod motor 4 is arranged in the base 1, and the output shaft of the push rod motor 4 is connected to a lifting base 5, and a driving motor 6 is arranged in the lifting base 5, and the output shaft of the driving motor 6 is connected to a rotating base 7, the casing 3 and the rotating base 7 are both designed with a polygonal structure, and the interior is divided into a plurality of workstations by the polygonal design, so as to facilitate the welding work at the same time and speed up the welding efficiency, a first screw rod 8 is rotatably connected in the rotating base 7, and a first connecting block 9 is threadedly connected to the outer side of the first connecting block 9, a connecting base 10 is fixedly installed on the outer side of the first connecting block 9, and a rotatable connecting rod 10 is rotatably connected in the connecting base 10 A second screw rod 11 is connected, and a moving rod 12 is threadedly connected to the outside of the second screw rod 11, a connecting rod 13 is slidably connected inside the moving rod 12, and a telescopic rod 14 is fixedly installed at one end of the connecting rod 13, a heat exchanger clamping assembly 15 includes a heat exchanger body 16 and a fastening frame 17, there are four fastening frames 17, and the fastening frames 17 are connected by a fastening rod 18, a limiting plate 19 is arranged inside the fastening frame 17, the fastening rod 18 includes a fixed tube 20, and a telescopic tube 21 is slidably connected inside the fixed tube 20, a tension spring 22 is connected between the fixed tube 20 and the telescopic tube 21, and the tension spring 22 is sleeved on the outside of the telescopic tube 21, and the length of the fastening rod 18 can be changed by sliding to be suitable for different models of heat exchanger bodies 16, and the tension of the tension spring 22 can be To enhance the fastening effect, fastening bolts 23 are connected at both ends of the fastening rod 18 by threads, and positioning holes adapted to the fastening bolts 23 are provided in the moving rod 12 and the telescopic rod 14, so as to facilitate the connection of the heat exchanger clamping assembly 15 with the moving rod 12 and the telescopic rod 14 through the positioning holes. A third screw rod 24 is rotatably connected to the inner wall of the top end of the casing 3, and a second connecting block 25 is connected to the outer side of the third screw rod 24 by threads, and a moving frame 26 is fixedly installed at the bottom of the second connecting block 25, a fourth screw rod 27 is rotatably connected in the moving frame 26, and a third connecting block 28 is connected to the outer side of the fourth screw 27 by threads, the first screw rod 8, the second screw rod 11, the third screw rod 24 and the fourth screw rod 27 are all electric screw rods with motors, and a processing rod 29 is fixedly installed at the bottom of the third connecting block 28, There are several groups of processing rods 29, and the number is consistent with the number of sides of the casing 3. Each group of processing rods 29 has two processing rods, and half of the processing rods 29 are facing inward, and the other half are facing outward. Both sides of the heat exchanger body 16 can be welded through the processing rods 29 with different directions. A welding head 30 is connected and installed on one side of the processing rod 29, and an air intake port 31 is opened. A welding machine 32, a dust collector 33, an observation window 34 and a control panel 35 are fixedly installed on the outside of the casing 3. The welding machine 32 is connected to the welding head 30 through a line, and the dust collector 33 is connected to the air intake port 31 through a pipeline. A loading seat 36 is connected and installed on one side of the base 1, and a limiting groove is set on the top of the loading seat 36. The top of the limiting groove is connected to the bottom of the connecting rod 13, which is convenient for loading and unloading.

Working principle: Before loading, the fastening frame 17 needs to be placed at the four corners of the heat exchanger body 16, and the heat exchanger body 16 needs to be placed between the limit plates 19, and then the fastening rod 18 needs to be inserted between the fastening frames 17, and one end is first fixed by the fastening bolt 23, and then the other end is pulled through the fastening frame 17 and fixed again by the fastening bolt 23 to complete the connection, and the tension of the tension spring 22 is used to clamp the heat exchanger body 16;

Then the control panel 35 turns on the second screw 11 to rotate and control the moving rod 12 to move, and the moving rod 12 and the telescopic rod 14 are extended. Then the heat exchanger clamping assembly 15 is placed on the moving rod 12 and the telescopic rod 14, the moving rod 12 and the telescopic rod 14 are retracted, and the drive motor 6 is turned on to control the rotating seat 7 to rotate, adjust the work position, and perform continuous loading work. After completion, the push rod motor 4 is turned on to control the lifting seat 5 to rise, and the fourth screw 27 is rotated to adjust the position so that the processing rod 29 can be inserted into the heat exchanger clamping assembly 15. The heat exchanger clamping assembly 15 is controlled to change its position while being lifted and lowered by the third screw 24. The welding work is completed through the welding head 30, and while welding, the welding smoke and welding slag can also be sucked into the dust collector 33 through the air intake port 31. After completion, the lifting seat 5 descends and changes the work position through the drive motor 6, so as to perform continuous welding work, during which the internal working status can be observed through the observation window 34.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. The plate-fin heat exchanger welding equipment comprises a base (1) and a heat exchanger clamping assembly (15), and is characterized in that a supporting seat (2) is fixedly arranged on the outer side of the base (1), a shell (3) is connected and installed at the top end of the supporting seat (2), a push rod motor (4) is arranged in the base (1), an output shaft of the push rod motor (4) is connected with a lifting seat (5), a driving motor (6) is arranged in the lifting seat (5), and an output shaft of the driving motor (6) is connected with a rotating seat (7);

The rotary seat (7) is rotationally connected with a first screw rod (8), the outer side of the first screw rod (8) is connected with a first connecting block (9) through threads, a connecting seat (10) is fixedly arranged on the outer side of the first connecting block (9), a second screw rod (11) is rotationally connected with the connecting seat (10), a moving rod (12) is connected with the outer side of the second screw rod (11) through threads, a connecting rod (13) is connected with the outer side of the moving rod (12) in a sliding mode, and a telescopic rod (14) is fixedly arranged at one end of the connecting rod (13);

The heat exchanger clamping assembly (15) comprises a heat exchanger body (16) and four fastening frames (17), the fastening frames (17) are connected through fastening rods (18), limiting plates (19) are arranged in the fastening frames (17), and two ends of each fastening rod (18) are connected with fastening bolts (23) through threads;

the inner wall of the top end of the shell (3) is rotationally connected with a third screw rod (24), the outer side of the third screw rod (24) is connected with a second connecting block (25) through threads, the bottom of the second connecting block (25) is fixedly provided with a moving frame (26), the moving frame (26) is rotationally connected with a fourth screw rod (27), the outer side of the fourth screw rod (27) is connected with a third connecting block (28) through threads, the bottom of the third connecting block (28) is fixedly provided with a processing rod (29), one side of the processing rod (29) is connected with a welding head (30), and an air suction port (31) is formed;

The welding machine is characterized in that a welding machine (32), a dust remover (33), an observation window (34) and a control panel (35) are fixedly arranged on the outer side of the machine shell (3), the welding machine (32) is connected with the welding head (30) through a circuit, and the dust remover (33) is connected with the air suction port (31) through a pipeline.

2. A plate fin heat exchanger welding apparatus according to claim 1, wherein the housing (3) and the swivel base (7) are each of polygonal design.

3. A plate fin heat exchanger welding apparatus according to claim 1, wherein the fastening rod (18) comprises a fixed tube (20), and a telescopic tube (21) is slidably connected to the fixed tube (20), a tension spring (22) is connected between the fixed tube (20) and the telescopic tube (21), and the tension spring (22) is sleeved outside the telescopic tube (21).

4. A plate fin heat exchanger welding apparatus according to claim 1, wherein the moving rod (12) and the telescopic rod (14) are provided with positioning holes adapted to the fastening bolts (23).

5. A plate fin heat exchanger welding apparatus according to claim 1, wherein the number of said machining bars (29) is equal to the number of sides of the casing (3), each machining bar (29) is two, half of the machining bars (29) are directed inwardly and half of the machining bars (29) are directed outwardly.

6. A plate-fin heat exchanger welding apparatus according to claim 1, wherein a loading seat (36) is installed on one side of the base (1), and a limit groove is provided at the top of the loading seat (36), and the top of the limit groove is connected with the bottom of the connecting rod (13).

7. A plate fin heat exchanger welding apparatus according to claim 1, wherein the first screw (8), the second screw (11), the third screw (24) and the fourth screw (27) are all electric screws with motors.