CN217647850U - Rotatory heat exchanger welding frock in area - Google Patents

Abstract

A heat exchanger welding tool with rotation belongs to the technical field of heat exchanger processing equipment; by setting a first driving mechanism and a second driving mechanism, the rotary chucks in the first driving mechanism and the second driving mechanism are used for welding The heat exchanger shell is clamped, and the rotation of the heat exchanger shell is realized by the driving of the second drive motor. When welding, the worker can effectively ensure the coaxiality and parallelism of the two heat exchanger shells. ; By arranging the second drive mechanism on the slide rail, the rotation of the third drive motor can be controlled according to the length of the heat exchanger shell to be welded, and the distance between the first drive mechanism and the second drive mechanism can be adjusted to achieve different Type heat exchanger shells are welded; by setting arc-shaped racks, the first drive motor is used to drive the clamping mechanism to rotate, and the laterally clamped heat exchanger shells are converted into vertical shapes, which can effectively ensure heat exchange. Concentricity and parallelism of the housing.

Description

A welding tool for heat exchanger with rotation

technical field

The utility model belongs to the technical field of heat exchanger processing equipment, in particular to a heat exchanger welding tool with rotation.

Background technique

When the existing shell assembly welding tool is in use, the operation is more troublesome, and the parallelism and coaxiality of the welding of the tube sheets at both ends of the product, the parallelism of the end face of the flange and the position of the welding with the shell cannot be guaranteed. The problem is that the operation effect and use benefit are low. For this reason, we propose a shell assembly welding tool.

SUMMARY OF THE INVENTION

The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides a heat exchanger welding tool with rotation.

The above-mentioned technical problems of the present utility model are mainly solved by the following technical solutions: a heat exchanger welding tool with rotation, including a bottom support, characterized in that: the bottom support is provided with a first drive motor, a first drive gear is fixedly connected to the drive shaft of the first drive motor, the upper end of the bottom support is provided with two hinge seats, and a hinge shaft is erected between the two hinge seats, so Both ends of the hinge shaft are rotatably connected to the two hinge seats, the bottom support is provided with a clamping mechanism, and the clamping mechanism includes an installation base plate, and the lower surface of the installation base plate is provided with two shafts The two shaft seats are sleeved on the hinge shaft and are fixedly connected with the hinge shaft. The installation bottom plate between the two shaft seats is provided with an arc-shaped rack, and the axis of the arc-shaped rack is connected to the The axes of the hinge shafts are coincident, the arc-shaped rack is meshed with the first drive gear, and two sliding rails are arranged on the upper surface of the mounting base plate. A first driving mechanism is arranged on the installation bottom plate on the left side of the sliding rail, and a second driving mechanism is arranged on the two sliding rails, and the first driving mechanism and the second driving mechanism are arranged in opposite directions.

Preferably, the first drive mechanism includes a base fixedly connected to the mounting base plate, a mounting block is vertically arranged on the base, and a plurality of rotating shafts are arranged in a circular array along the central position on the right side of the mounting block, The plurality of rotating shafts are all fixedly connected with the mounting block, the end of each rotating shaft is provided with a sheave, the sheave is rotatably connected with the corresponding rotating shaft, and the right side of the mounting block is provided with a rotating gear ring, The rotating gear ring is sleeved on a plurality of sheaves and is connected with the plurality of the sheaves in a rolling connection, and a rotating chuck is connected to the left end of the rotating gear ring.

Preferably, the front end of the mounting block is provided with a second drive motor, the drive shaft of the second drive motor is provided with a second drive gear, and the second drive gear is fixed with the drive shaft of the second drive motor A transmission belt is connected between the second driving gear and the rotating ring gear.

Preferably, a screw shaft is arranged on the mounting base plate between the two sliding rails, the screw shaft is threadedly connected with the base in the second drive mechanism, and a third drive is provided on the right end of the mounting base plate A motor, the drive shaft of the third drive motor is fixedly connected with the right end of the screw shaft.

Preferably, the structure of the second driving mechanism is the same as that of the first driving mechanism, and the base in the second driving mechanism is slidably connected to the two sliding rails.

The utility model has the beneficial effects: by arranging the first driving mechanism and the second driving mechanism, the heat exchanger shell to be welded is clamped by the rotary chuck in the first driving mechanism and the second driving mechanism, The rotation of the heat exchanger shell is realized by the driving of the two drive motors, and the workers can effectively ensure the coaxiality and parallelism of the two heat exchanger shells when welding; by arranging the second drive mechanism on the slide rail , the rotation of the third drive motor can be controlled according to the length of the heat exchanger shell to be welded, and the distance between the first drive mechanism and the second drive mechanism can be adjusted to realize the welding of different types of heat exchanger shells and increase the tooling. By setting an arc-shaped rack and using the rotation of the first drive motor to drive the clamping mechanism to rotate, the horizontally clamped heat exchanger shell is converted into a vertical shape, which can effectively ensure the two heat exchangers. Concentricity and parallelism of the shell.

Description of drawings

Fig. 1 is a kind of structural representation of the present utility model;

FIG. 2 is a schematic structural diagram of the sheave wheel and the rotating gear ring of the present invention.

In the figure: 1. Bottom support; 2. First driving motor; 3. First driving gear; 4. Hinged seat; 5. Hinged shaft; 6. Installation base plate; 7. Shaft seat; 9, slide rail; 10, base; 11, mounting block; 12, shaft; 13, sheave; 14, rotating ring gear; 15, rotary chuck; 16, second drive motor; 17, second drive gear; 18 , transmission belt; 19, screw shaft; 20, the third drive motor.

Detailed ways

The technical solutions of the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

Example: A heat exchanger welding tool with rotation, as shown in Figures 1-2, includes a bottom support 1, and a first drive motor 2 is arranged in the bottom support 1, and the first drive A first drive gear 3 is fixedly connected to the drive shaft of the motor 2 , two hinge seats 4 are arranged on the upper end of the bottom support 1 , and a hinge shaft 5 is erected between the two hinge seats 4 . Both ends of the hinge shaft 5 are rotatably connected to the two hinge seats 4, and a clamping mechanism is provided on the bottom support 1, and the clamping mechanism includes an installation bottom plate 6, and the lower surface of the installation bottom plate 6 is provided with a clamping mechanism. There are two axle seats 7 , both of which are sleeved on the hinge shaft 5 and fixedly connected with the hinge shaft 5 , and an arc-shaped rack 8 is arranged on the mounting base plate 6 between the two axle seats 7 , the axis of the arc-shaped rack 8 coincides with the axis of the hinge shaft 5, the arc-shaped rack 8 is meshed with the first drive gear 3, and the upper surface of the mounting base plate 6 is provided with two sliding Rail 9, the two sliding rails 9 are arranged in parallel with each other, the installation bottom plate 6 on the left side of the two sliding rails 9 is provided with a first driving mechanism, and the two sliding rails 9 are provided with a second driving mechanism, The first drive mechanism and the second drive mechanism are arranged in opposite directions; the first drive mechanism includes a base 10 fixedly connected to the mounting base 6, and a mounting block 11 is vertically provided on the base 10, and the installation A plurality of rotating shafts 12 are arranged in a circular array along the center position on the right side of the block 11, and the multiple rotating shafts 12 are fixedly connected with the mounting block 11. The end of each rotating shaft 12 is provided with a sheave 13. The wheel 13 is rotatably connected with the corresponding rotating shaft 12 , and a rotating gear ring 14 is provided on the right side of the mounting block 11 . Connected, a rotating chuck 15 is connected to the left end of the rotating ring gear 14 .

The front end of the mounting block 11 is provided with a second drive motor 16 , the drive shaft of the second drive motor 16 is provided with a second drive gear 17 , and the second drive gear 17 is connected to the second drive motor 16 . The drive shaft is fixedly connected, and a transmission belt 18 is connected between the second drive gear 17 and the rotating gear ring 14; a screw shaft 19 is mounted on the mounting base plate 6 between the two slide rails 9, and the screw rod The shaft 19 is threadedly connected to the base 10 in the second drive mechanism, the right end of the mounting base plate 6 is provided with a third drive motor 20, and the drive shaft of the third drive motor 20 is fixedly connected to the right end of the screw shaft 19; The structure of the second driving mechanism is the same as that of the first driving mechanism, and the base 10 in the second driving mechanism is slidably connected to the two sliding rails 9 .

The principle of the utility model: firstly, clamp the heat exchanger shell to be welded on the rotary chucks 15 of the first driving mechanism and the second driving mechanism, control the rotation of the third driving motor 20, and drive the second driving mechanism to perform Move, drive the heat exchanger shell clamped on the second drive mechanism to approach the heat exchanger shell clamped on the first drive mechanism, control the first drive motor 2 to rotate, and use the first drive gear 3 to drive the arc The rack 8 rotates, thereby driving the clamping mechanism to rotate along the hinge shaft 5, changing from a horizontal state to a vertical state, which is convenient for workers to perform welding, and controls the rotation of the second drive motor 16 in the first drive mechanism and the second drive mechanism. The rotation of the two driving gears 17 drives the rotating ring gear 14 to rotate through the transmission belt 18, thereby driving the two heat exchanger shells to rotate, which is convenient for welding.

Finally, it should be pointed out that the above embodiments are only representative examples of the present invention. Obviously, the present invention is not limited to the above-mentioned embodiments, and many modifications are possible. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall be considered to belong to the protection scope of the present invention.

Claims (5)

1. A heat exchanger welding tool with rotation, comprising a bottom support (1), characterized in that: the bottom support (1) is provided with a first drive motor (2), the first drive A first drive gear (3) is fixedly connected to the drive shaft of the motor (2), and the upper end of the bottom support (1) is provided with two hinge seats (4), and the two hinge seats (4) are arranged between two hinge seats (4). A hinge shaft (5) is arranged between the frame, both ends of the hinge shaft (5) are rotatably connected to the two hinge seats (4), and a clamping mechanism is provided on the bottom support (1), so the The clamping mechanism includes an installation bottom plate (6), and the lower surface of the installation bottom plate (6) is provided with two axle seats (7), both of which are sleeved on the hinge shaft (5) and It is fixedly connected with the hinge shaft (5), and an arc-shaped rack (8) is arranged on the mounting base plate (6) between the two shaft seats (7). The axes of the hinge shaft (5) are coincident, the arc-shaped rack (8) is meshed with the first drive gear (3), and two sliding rails (9) are arranged on the upper surface of the mounting base plate (6). , the two sliding rails (9) are arranged in parallel with each other, a first drive mechanism is provided on the mounting base plate (6) on the left side of the two sliding rails (9), and the two sliding rails (9) are provided with a first drive mechanism. There is a second driving mechanism, and the first driving mechanism and the second driving mechanism are arranged in opposite directions. 2. A heat exchanger welding tool with rotation according to claim 1, characterized in that: the first drive mechanism comprises a base (10) fixedly connected with the mounting bottom plate (6), and the base ( 10) A mounting block (11) is vertically arranged on the upper side, and a plurality of rotating shafts (12) are arranged in a circular array along the center position on the right side of the mounting block (11). 11) Fixed connection, the end of each said rotating shaft (12) is provided with a sheave (13), said sheave (13) is rotatably connected with the corresponding rotating shaft (12), said mounting block (11) There is a rotating gear ring (14) on the right side of the device. A rotary chuck (15) is connected to the left end of (14). 3. The heat exchanger welding tool with rotation according to claim 2, wherein the front end of the mounting block (11) is provided with a second drive motor (16), and the second drive motor The drive shaft of (16) is provided with a second drive gear (17), the second drive gear (17) is fixedly connected with the drive shaft of the second drive motor (16), and the second drive gear (17) A transmission belt (18) is connected with the rotating gear ring (14). 4. A heat exchanger welding tool with rotation according to claim 1, characterized in that: a screw shaft (19) is placed on the mounting base plate (6) between the two sliding rails (9). ), the screw shaft (19) is threadedly connected with the base (10) in the second drive mechanism, the right end of the mounting base plate (6) is provided with a third drive motor (20), the third drive motor The drive shaft of (20) is fixedly connected with the right end of the screw shaft (19). 5. A heat exchanger welding tool with rotation according to claim 1, characterized in that: the structure of the second driving mechanism is the same as that of the first driving mechanism, and the base (10) in the second driving mechanism ) is slidably connected to the two slide rails (9).

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