CN221952577U - Butt welding tool for inner hole of heat exchanger tube head - Google Patents

Abstract

The utility model relates to the field of heat exchanger welding, and discloses a heat exchanger tube head inner hole welding butt joint tool, which comprises a base, a supporting plate, end plates and an arc clamping plate, wherein two ends of the top of the base are provided with vertical electric cylinders through positioning seats, output shafts of the vertical electric cylinders are provided with the supporting plate through bolts, two sides of the top of the supporting plate are welded with fixed side plates, the outer sides of the fixed side plates are provided with horizontal electric cylinders through mounting seats, the output shafts of the horizontal electric cylinders are provided with the arc clamping plate through bolts, one side of the top of the base is connected with the end plates through supporting columns, one end of each end plate is provided with a fixed rod through a mounting hole, a sliding sleeve block is sleeved on each fixed rod, the bottoms of the sliding sleeve blocks are welded with connecting plates, and the tops of the sliding sleeve blocks are provided with adjusting bolts through bolt holes; this novel heat exchanger tube head hole welds butt joint frock enables to wind pipe heat exchange tube and heat exchanger tube head and carries out accurate butt joint spacing to the angle of butt joint is convenient for adjust, is fit for extensively using widely.

Description

Heat exchanger tube head inner hole welding tooling

Technical Field

The utility model relates to the technical field of heat exchanger welding, in particular to a heat exchanger pipe head inner hole welding butt tooling.

Background Art

The coiled-tube heat exchanger is a heat exchange equipment commonly used in industrial production. Its principle is to achieve energy transfer between two fluids through heat transfer between the fluid in the pipe and the fluid outside the pipe. The coiled-tube heat exchanger has the characteristics of simple structure, high compactness, adaptability to thermal shock and thermal stress, etc. At the same time, it can be customized according to the requirements of different working conditions. Therefore, it can be suitable for heat exchange between various fluids, including the same fluid, different fluids, and heat exchange between gas and liquid. In the production of the coiled-tube heat exchanger, the heat exchanger tube head needs to be welded to the heat exchange tube for use. Before welding, the heat exchanger tube head inner hole welding butt tooling needs to be used for limiting.

The conventional heat exchanger tube head inner hole welding butt joint tooling has the following disadvantages: 1. It cannot accurately butt and limit the position of the coiled heat exchange tube and the heat exchanger tube head, and it is not convenient to adjust the butt joint angle. Therefore, those skilled in the art have provided a heat exchanger tube head inner hole welding butt joint tooling to solve the problems raised in the above background technology.

Summary of the invention

The main purpose of the utility model is to provide a heat exchanger tube head inner hole welding butt tooling to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

Heat exchanger tube head inner hole welding butt tooling, including a base, a support plate, an end plate and an arc clamping plate;

The top two ends of the base are provided with vertical electric cylinders through positioning seats, and the output shaft of the vertical electric cylinder is provided with a support plate through bolts, fixed side plates are welded on both sides of the top of the support plate, and the outer side of the fixed side plate is provided with a horizontal electric cylinder through a mounting seat, and the output shaft of the horizontal electric cylinder is provided with an arc clamping plate through bolts, one side of the top of the base is connected with an end plate through a supporting column, and a fixing rod is provided at one end of the end plate through a mounting hole, a sliding sleeve block is sleeved on the fixing rod, and a connecting plate is welded on the bottom of the sliding sleeve block, an adjusting bolt is installed on the top of the sliding sleeve block through a bolt hole, and a limiting sleeve is sleeved on the connecting plate.

As a further solution of the utility model: a UPS power supply is installed on one side of the top of the end plate through a power supply installation plate.

As a further solution of the utility model: the output end of the UPS power supply is electrically connected to the input ends of the vertical electric cylinder and the horizontal electric cylinder through wires, and the UPS power supply is convenient for supplying power to the vertical electric cylinder and the horizontal electric cylinder to enable them to operate stably.

As a further solution of the utility model: the fixing rod is located on one side of the top end of the support plate and one end of the fixing rod is connected to the limiting sleeve.

As a further solution of the utility model: limiting bolts are installed at equal distances on the outside of the limiting sleeve through screw holes, and three groups of limiting bolts are specifically provided. The heat exchanger pipe head to be welded is placed in the limiting sleeve, and the limiting bolts are tightened to achieve fixation.

Compared with the prior art, the beneficial effects of the utility model are:

1. The welder places the coiled heat exchange tube on the top of the support plate, turns on the power of the horizontal electric cylinder, and uses the horizontal electric cylinder to drive the arc-shaped clamping plates to move toward each other, so as to clamp and fix the coiled heat exchange tube. Turn on the power of the vertical electric cylinder, and use the vertical electric cylinder to drive the coiled heat exchange tube on the top of the support plate to move up and down, adjust it to a suitable height, place the heat exchanger head to be welded in the limit sleeve, and tighten the limit bolt to fix it.

2. Loosen the adjusting bolt on the top of the sliding sleeve to slide the sliding sleeve on the fixed rod, so that the coiled heat exchange tube and the heat exchanger tube head can be accurately docked and limited. After the inner holes are docked, it is convenient to carry out welding operations, and the connecting plate is rotated to adjust the inclination angle of the fixed heat exchanger tube head and the angle between the heat exchange tube and the heat exchanger tube head, which expands the use scope of the welding tooling and is suitable for wide promotion and use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the heat exchanger tube head inner hole welding tooling of the utility model.

FIG. 2 is a side view of the heat exchanger tube head inner hole welding tooling of the utility model.

FIG3 is a top view of the heat exchanger tube head inner hole welding tooling of the utility model.

In the figure: 1. Arc clamping plate; 2. End plate; 3. UPS power supply; 4. Power supply mounting plate; 5. Fixing rod; 6. Adjusting bolt; 7. Sliding sleeve block; 8. Connecting plate; 9. Limiting sleeve; 10. Limiting bolt; 11. Support column; 12. Base; 13. Vertical electric cylinder; 14. Support plate; 15. Fixed side plate; 16. Horizontal electric cylinder.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-3. In the embodiment of the utility model, the heat exchanger tube head inner hole welding butt tooling includes a base 12, a support plate 14, an end plate 2 and an arc-shaped clamping plate 1;

Vertical electric cylinders 13 are installed at both ends of the top of the base 12 through positioning seats, and the output shaft of the vertical electric cylinder 13 is installed with a support plate 14 through bolts, fixed side plates 15 are welded on both sides of the top of the support plate 14, and a horizontal electric cylinder 16 is installed on the outer side of the fixed side plate 15 through a mounting seat, and the output shaft of the horizontal electric cylinder 16 is installed with an arc clamping plate 1 through bolts, one side of the top of the base 12 is connected to an end plate 2 through a support column 11, and a fixing rod 5 is installed at one end of the end plate 2 through a mounting hole, a sliding sleeve block 7 is sleeved on the fixing rod 5, and a connecting plate 8 is welded to the bottom of the sliding sleeve block 7, an adjusting bolt 6 is installed on the top of the sliding sleeve block 7 through a bolt hole, and a limiting sleeve 9 is sleeved on the connecting plate 8.

A UPS power supply 3 is installed on one side of the top of the end plate 2 through a power supply mounting plate 4; the UPS power supply 3 is convenient for supplying power to the electrical equipment to enable it to operate stably.

The output end of the UPS power supply 3 is electrically connected to the input ends of the vertical electric cylinder 13 and the horizontal electric cylinder 16 through wires; the UPS power supply 3 is convenient for supplying power to the vertical electric cylinder 13 and the horizontal electric cylinder 16 to enable them to operate stably.

The fixing rod 5 is located at one side of the top end of the support plate 14 and one end of the fixing rod 5 is connected to a limiting sleeve; the limiting sleeve is used to limit the sliding sleeve block 7 when it slides on the fixing rod 5.

Among them, the outer side of the limiting sleeve 9 is equidistantly installed with limiting bolts 10 through screw holes, and three groups of limiting bolts 10 are specifically provided; the heat exchanger pipe head to be welded is placed in the limiting sleeve 9, and the limiting bolts 10 are tightened to fix it.

The working principle of the utility model is as follows: the welding personnel place the coiled heat exchange tube on the top of the support plate 14, turn on the power of the horizontal electric cylinder 16, use the horizontal electric cylinder 16 to drive the arc clamping plate 1 to move toward each other, so as to clamp and fix the coiled heat exchange tube, turn on the power of the vertical electric cylinder 13, use the vertical electric cylinder 13 to drive the coiled heat exchange tube on the top of the support plate 14 to move up and down, adjust to a suitable height, place the heat exchanger tube head to be welded in the limit sleeve 9, tighten the limit bolt 10 to fix it, loosen the adjusting bolt 6 on the top of the sliding sleeve block 7, and make the sliding sleeve block 7 slide on the fixing rod 5, so that the coiled heat exchange tube and the heat exchanger tube head are accurately docked and limited, and the inner hole docking is convenient for welding operation, and the connecting plate 8 is rotated to adjust the inclination angle of the fixed heat exchanger tube head, and the angle between the heat exchange tube and the heat exchanger tube head is adjusted, thereby expanding the use scope of the welding tooling and being suitable for wide promotion and use.

The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims (5)

1. A heat exchanger tube head inner hole welding butt joint tooling, comprising a base (12), a support plate (14), an end plate (2) and an arc-shaped clamping plate (1); The invention is characterized in that: a vertical electric cylinder (13) is installed at both ends of the top of the base (12) through a positioning seat, and the output shaft of the vertical electric cylinder (13) is installed with a support plate (14) through bolts, fixed side plates (15) are welded on both sides of the top of the support plate (14), and a horizontal electric cylinder (16) is installed on the outer side of the fixed side plate (15) through a mounting seat, and the output shaft of the horizontal electric cylinder (16) is installed with an arc clamping plate (1) through bolts, one side of the top of the base (12) is connected to an end plate (2) through a support column (11), and a fixing rod (5) is installed at one end of the end plate (2) through a mounting hole, a sliding sleeve block (7) is sleeved on the fixing rod (5), and a connecting plate (8) is welded at the bottom of the sliding sleeve block (7), an adjusting bolt (6) is installed at the top of the sliding sleeve block (7) through a bolt hole, and a limiting sleeve (9) is sleeved on the connecting plate (8). 2. The heat exchanger tube head inner hole welding fixture according to claim 1, characterized in that a UPS power supply (3) is installed on one side of the top of the end plate (2) through a power supply installation plate (4). 3. The heat exchanger tube head inner hole welding butt tooling according to claim 2, characterized in that the output end of the UPS power supply (3) is electrically connected to the input ends of the vertical electric cylinder (13) and the horizontal electric cylinder (16) through wires. 4. The heat exchanger tube head inner hole welding fixture according to claim 1, characterized in that: the fixing rod (5) is located on one side of the top end of the support plate (14) and one end of the fixing rod (5) is connected to a limiting sleeve. 5. The heat exchanger tube head inner hole welding tooling according to claim 1 is characterized in that: the outer side of the limiting sleeve (9) is equidistantly installed with limiting bolts (10) through screw holes, and the limiting bolts (10) are specifically provided in three groups.