CN219189164U

CN219189164U - Clamping device for welding heat exchanger

Info

Publication number: CN219189164U
Application number: CN202320138065.7U
Authority: CN
Inventors: 曲颖; 曲克晶; 曲海旭
Original assignee: Zibo Lejia Heat Exchange Equipment Co ltd
Current assignee: Zibo Lejia Heat Exchange Equipment Co ltd
Priority date: 2023-01-25
Filing date: 2023-01-25
Publication date: 2023-06-16
Anticipated expiration: 2033-01-25

Abstract

The utility model relates to the field of clamping devices, in particular to a clamping device for a welding heat exchanger. It comprises an operation room; the side wall of the operating room is provided with a mounting frame and a driving piece, and the bottom of the operating room is provided with a rotatable operating table; the mounting bracket slides from top to bottom along the operating room, and the left and right sides sets up the clamping piece that is the mirror image, and the rear side sets up the mounting. The clamping piece comprises an adjusting screw rod, a clamping frame and a rotating roller; the adjusting screw is rotatably arranged in the operation chamber and is connected with the clamping frame; the rotating roller is arranged on the clamping end of the clamping frame. The fixing piece comprises a mounting seat, an air cylinder, a fixing seat and an anti-skid block; the mounting seat is arranged on the mounting frame; the air cylinder is arranged on the mounting seat and is connected with the fixing seat; the non-slip block is arranged on the fixed seat. The utility model has adjustable clamping and fixing height and position, and meets the positioning requirements of heat exchangers of different types. Can rotate during the centre gripping, conveniently adjust the position of welding point, the cooperation mounting, heat exchanger aversion when effectively avoiding the welding. The convenience and the accuracy of welding are improved.

Description

Clamping device for welding heat exchanger

Technical Field

The utility model relates to the field of clamping devices, in particular to a clamping device for a welding heat exchanger.

Background

A heat exchanger (also known as a heat exchanger or heat exchange device) is a device for transferring heat from a hot fluid to a cold fluid to meet specified process requirements, and is an industrial application of convective heat transfer and thermal conduction. The heat exchangers can be classified in different ways. According to the operation process, the method can be divided into three categories of a dividing wall type, a mixed type and a heat accumulating type (or called regenerative type); the degree of compactness of the surface can be divided into two types, compact and non-compact. The shell of the positive displacement heat exchanger and the shell of the semi-positive displacement heat exchanger are generally of cylindrical structures, when the shell of the heat exchanger of the cylindrical structures is welded, the cylinder of the heat exchanger is generally vertically placed on the lower bottom end of the heat exchanger, then the cylinder is welded with the lower section of the heat exchanger, in the welding process, workers need to rotate around the cylinder of the heat exchanger, and the welding is inconvenient.

The Chinese patent document with the publication number of CN210615649U discloses a clamping device for a welding heat exchanger, the welding heat exchanger comprises a base, the revolving stage is installed in the upper end rotation of base, is located the up end fixed mounting of base in the revolving stage outside has the backup pad, the top fixed mounting of backup pad has a supporting ring, the mounting groove that is used for installing the revolving stage is seted up to the upper end of base, the bottom of mounting groove is provided with spacing platform with the body, annular spout has been seted up to the upper end of spacing platform, the ball is installed in the inboard rotation of annular spout, bottom one side fixed mounting of mounting groove has the motor, the output fixed mounting of motor has the driving gear.

The clamping device for the welding heat exchanger is clamped through the supporting plate and the supporting ring, the clamping position is fixed, the clamping range is fixed, therefore, the welding heat exchanger can only clamp a heat exchanger with a certain fixed specification, and the positioning requirements of heat exchangers with different models cannot be met.

Disclosure of Invention

Aiming at the problems in the background technology, the clamping device for the welding heat exchanger is provided. The utility model has adjustable clamping and fixing height and position, and meets the positioning requirements of heat exchangers of different types. Can rotate during the centre gripping, conveniently adjust the position of welding point, the cooperation mounting, heat exchanger aversion when effectively avoiding the welding. The convenience and the accuracy of welding are improved.

The utility model provides a clamping device for a welding heat exchanger, which comprises an operation chamber; the front side of the operation chamber is provided with an operation opening, other side walls are provided with a mounting rack and a driving piece, and the bottom is provided with a rotatable operation table; the mounting bracket is driven by the driving piece to slide up and down along the operation room, the left side and the right side of the mounting bracket are provided with clamping pieces which are mirror images, and the rear side of the mounting bracket is provided with a fixing piece. The left and right sides of the operation chamber are provided with through grooves for the clamping piece to slide up and down, and the rear side is provided with a chute for the fixing piece to slide up and down. The clamping piece comprises an adjusting screw rod, a clamping frame and a rotating roller; the adjusting screw is rotatably arranged on the operation chamber, and the end of the adjusting screw penetrates through the through groove and stretches into the upper part of the operation table to be connected with the clamping frame; the rotating roller is arranged on the clamping end of the clamping frame and rotates along the horizontal direction. The fixing piece comprises a mounting seat, an air cylinder, a fixing seat and an anti-skid block; the mounting seat is arranged on the mounting frame and is in sliding connection with the groove wall of the sliding groove; the air cylinder is arranged on the mounting seat, and the end of the telescopic rod extends into the upper part of the operating table and is connected with the fixing seat; the non-slip block is arranged on the fixed seat.

Preferably, the clamping frame is of an arc-shaped structure.

Preferably, a guide rod is arranged at the rear side of the clamping frame; the guide rod is connected with the mounting frame in a sliding manner.

Preferably, the mounting frame is of a transverse U-shaped structure; the operating room is provided with an installation groove for lifting the installation frame; the mounting groove is communicated with the through groove and the chute.

Preferably, the driving members are arranged in a plurality of groups and are respectively arranged on the horizontal section and the vertical section of the mounting frame.

Preferably, the driving member includes a motor and a screw; the motor is arranged on the operation chamber; the lead screw passes through motor drive, rotates the setting at the mounting groove, simultaneously with mounting bracket screw thread fit.

Compared with the prior art, the utility model has the following beneficial technical effects:

the utility model places the heat exchanger to be welded on the operation table. Through the operation driving piece for the mounting bracket reciprocates, adjusts the position of clamping piece and mounting and is about the high matching of heat exchanger. Can also be used in the welding process. Then, the clamping pieces at the two sides are operated, and the clamping frames clamp the heat exchanger from the two sides by rotating the adjusting screw. The heat exchanger can be rotated while being clamped by the rotating roller. And rotating until the to-be-welded point is positioned at the operation opening. And starting the air cylinder, and driving the anti-skid block to press the heat exchanger by the fixing seat to fix the heat exchanger. The utility model has adjustable clamping and fixing height and position, and meets the positioning requirements of heat exchangers of different types. Can rotate during the centre gripping, conveniently adjust the position of welding point, the cooperation mounting, heat exchanger aversion when effectively avoiding the welding. The convenience and the accuracy of welding are improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view showing the positional relationship of the mounting frame, the clamping member and the fixing member according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the structure at A in FIG. 1;

fig. 4 is a schematic diagram of the structure at B in fig. 2.

Reference numerals: 1. an operation chamber; 2. an operation opening; 3. an operation table; 4. a mounting frame; 5. a driving member; 6. a fixing member; 7. a clamping member; 8. a motor; 9. a screw rod; 10. an anti-skid block; 11. adjusting a screw; 12. a guide rod; 13. a through groove; 14. a clamping frame; 15. a rotating roller; 16. a chute; 17. a mounting base; 18. a cylinder; 19. a fixing seat.

Detailed Description

Example 1

As shown in fig. 1-4, the clamping device for a welding heat exchanger provided by the utility model comprises an operation chamber 1; the front side of the operation room 1 is provided with an operation opening 2, other side walls are provided with a mounting frame 4 and a driving piece 5, and the bottom is provided with a rotatable operation table 3; the mounting frame 4 is driven by the driving piece 5 to slide up and down along the operation room 1, the left side and the right side of the mounting frame 4 are provided with clamping pieces 7 which are mirror images, and the rear side is provided with a fixing piece 6. The left and right sides of the operation room 1 are provided with through grooves 13 for the clamping piece 7 to slide up and down, and the rear side is provided with a chute 16 for the fixing piece 6 to slide up and down. The clamping piece 7 comprises an adjusting screw 11, a clamping frame 14 and a rotating roller 15; the adjusting screw 11 is rotatably arranged on the operating room 1, and the end of the adjusting screw passes through the through groove 13 and stretches into the upper part of the operating table 3 to be connected with the clamping frame 14; the rotating roller 15 is provided on the gripping end of the gripping frame 14 to rotate in the horizontal direction. The fixing piece 6 comprises a mounting seat 17, an air cylinder 18, a fixing seat 19 and an anti-skid block 10; the mounting seat 17 is arranged on the mounting frame 4 and is in sliding connection with the groove wall of the sliding groove 16; the air cylinder 18 is arranged on the mounting seat 17, and the end of the telescopic rod extends into the upper part of the operating table 3 and is connected with the fixing seat 19; the anti-skid block 10 is arranged on the fixed seat 19.

The working principle of this embodiment is as follows: the heat exchanger to be welded is placed on the operating table 3. The driving member 5 is operated so that the mounting frame 4 moves up and down, and the positions of the clamping member 7 and the fixing member 6 are adjusted so as to be matched with the heat exchanger in height. The clamping members 7 on both sides are then operated, so that the clamping frame 14 clamps the heat exchanger from both sides by rotating the adjusting screw 11. The heat exchanger is rotated while being clamped by the rotating roller 15. Rotated until the point to be welded is located at the operation opening 2. The cylinder 18 is started, and the fixing seat 19 drives the anti-skid block 10 to press the heat exchanger, so that the heat exchanger is fixed. And the displacement of the heat exchanger during welding is avoided.

Example two

Further, the clamping frame 14 has an arc structure, and the concave surface of the clamping frame is high in fit with the heat exchanger.

Further, a guide rod 12 is arranged at the rear side of the clamping frame 14; the guide rod 12 is slidably connected to the mounting frame 4. The guide rod 12 slides along with the movement of the clamping frame 14, so that the movement of the clamping frame 14 is more stable and smooth.

Example III

Furthermore, the mounting frame 4 is of a transverse U-shaped structure; the operating room 1 is provided with an installation groove for lifting the installation frame 4; the mounting groove is communicated with the through groove 13 and the sliding groove 16.

Further, the driving members 5 are provided in plural groups, which are respectively located on the horizontal section and the vertical section of the mounting frame 4.

Further, the driving member 5 includes a motor 8 and a screw 9; the motor 8 is arranged on the operation room 1; the screw rod 9 is driven by the motor 8, is rotatably arranged in the mounting groove and is in threaded fit with the mounting frame 4.

The embodiment is provided with a specific structure of the driving piece 5, and the motor 8 drives the screw rod 9 to rotate, so that the mounting frame 4 is lifted and lowered, and the purpose of adjusting the heights of the clamping piece 7 and the fixing piece 6 is achieved.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. A clamping device for welding heat exchangers, characterized by comprising an operating chamber (1); an operation opening (2) is arranged at the front side of the operation room (1), a mounting rack (4) and a driving piece (5) are arranged on the other side walls, and a rotatable operation table (3) is arranged at the bottom; the mounting frame (4) is driven by the driving piece (5) to slide up and down along the operation chamber (1), clamping pieces (7) which are mirror images are arranged at the left side and the right side of the mounting frame (4), and a fixing piece (6) is arranged at the rear side;

the left side and the right side of the operation chamber (1) are provided with through grooves (13) for the clamping pieces (7) to slide up and down, and the rear side is provided with sliding grooves (16) for the fixing pieces (6) to slide up and down;

the clamping piece (7) comprises an adjusting screw (11), a clamping frame (14) and a rotating roller (15); the adjusting screw (11) is rotatably arranged on the operating room (1), and the end of the adjusting screw passes through the through groove (13) and stretches into the upper part of the operating table (3) to be connected with the clamping frame (14); the rotating roller (15) is arranged at the clamping end of the clamping frame (14) and rotates along the horizontal direction;

the fixing piece (6) comprises a mounting seat (17), an air cylinder (18), a fixing seat (19) and an anti-skid block (10); the mounting seat (17) is arranged on the mounting frame (4) and is connected with the groove wall of the sliding groove (16) in a sliding way; the air cylinder (18) is arranged on the mounting seat (17), and the end of the telescopic rod extends into the upper part of the operating table (3) and is connected with the fixing seat (19); the anti-skid block (10) is arranged on the fixed seat (19).

2. Clamping device for welding heat exchangers according to claim 1, characterized in that the clamping frame (14) has an arc-shaped structure.

3. Clamping device for welding heat exchangers according to claim 1, characterized in that the rear side of the clamping frame (14) is provided with a guide bar (12); the guide rod (12) is connected with the mounting frame (4) in a sliding way.

4. Clamping device for welding heat exchangers according to claim 1, characterized in that the mounting frame (4) is of a transverse U-shaped structure; the operating room (1) is provided with a mounting groove for lifting the mounting rack (4); the mounting groove is communicated with the through groove (13) and the sliding groove (16).

5. Clamping device for welding heat exchangers according to claim 4, characterized in that the driving members (5) are arranged in groups, respectively on the horizontal and vertical sections of the mounting frame (4).

6. Clamping device for a welded heat exchanger according to claim 5, characterized in that the drive member (5) comprises a motor (8) and a screw (9); the motor (8) is arranged on the operation chamber (1); the screw rod (9) is driven by the motor (8) and is rotatably arranged in the mounting groove and is in threaded fit with the mounting frame (4).