Clamping device for welding heat exchanger

Abstract

A clamping device for heat exchanger welding relates to the technical field of auxiliary equipment for heat exchanger welding, and is characterized in that threaded grooves are respectively arranged on frame walls on two sides of a main body frame, fastening bolts are in threaded connection in the threaded grooves, two insertion grooves are arranged on the frame wall at the bottom end of the main body frame, and limiting mechanisms are respectively arranged on two sides of the frame wall at the bottom end of the main body frame. The limiting end of the limiting mechanism is located in the insertion groove. According to the clamping device for welding of the heat exchanger, a base of a coiled pipe is placed through the main body frame, the base of the coiled pipe is positioned, the position of the base of the coiled pipe is fixed through the limiting mechanism, the base of the coiled pipe is prevented from moving in the welding process, and the welding quality of the coiled pipe is improved. The position of the supporting piece is limited through the fastening bolt, a worker does not need to hold the supporting piece, meanwhile, the position of the supporting piece is prevented from moving in the welding process, and operation of the worker is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the auxiliary equipment technology field of heat exchanger welding especially relates to a clamping device for heat exchanger welding. BACKGROUND

[0002] The position of the serpentine pipe in the heat exchanger needs to be positioned by the supporting sheet during the installation process, since the supporting sheet covers the base of the serpentine pipe, the supporting sheet needs to be held when welding the supporting sheet to avoid the position of the supporting sheet moving during the welding process, at the same time, since the artificial holding cannot guarantee the position unchanged for a long time, the welding work is inconvenient. UTILITY MODEL CONTENT

[0003] In order to overcome the insufficient in the background art, the utility model discloses a clamping device for heat exchanger welding, the utility model discloses through the base of the serpentine pipe is placed to the main body frame, and the base of the serpentine pipe is positioned, the position of the serpentine pipe base is fixed through the limiting mechanism, avoids the base of the serpentine pipe moving during the welding process, the position of the supporting sheet is limited through the fastening bolt, does not need the staff to hold, avoids the position of the supporting sheet moving during the welding process simultaneously, and the staff is convenient operation.

[0004] In order to realize the utility model purpose, the utility model adopts the following technical scheme:

[0005] A clamping device for heat exchanger welding, including the main body frame, the frame wall on the both sides of main body frame is equipped with threaded slot respectively, and the threaded connection of threaded slot has fastening bolt, the frame wall on the bottom of main body frame is equipped with two insertion slot, and the both sides of main body frame bottom frame wall is equipped with limiting mechanism respectively, the limiting end of limiting mechanism is located in insertion slot.

[0006] The main body frame includes first plate body and second plate body, the number of second plate body is two, two second plate bodies are located on the first plate body and fixedly connected, and two threaded slots are equipped on the second plate body, two insertion slots are equipped on the first plate body.

[0007] The both side walls of first plate body are equipped with the communicating groove respectively, and the position of communicating groove corresponds with the position of insertion slot and communicates.

[0008] The insertion slot is located in the middle position of first plate body.

[0009] The lower surface of first plate body is fixedly connected with the equidistantly arranged support leg.

[0010] The limiting mechanism comprises positioning nuts and bolts, the number of the positioning nuts is two, the two positioning nuts are respectively located on the plate walls on the two sides of the first plate body and are fixedly connected, and the threaded grooves in the positioning nuts correspond to the communication grooves, the bolts are threadedly connected in the positioning nuts, and one end of the bolt is located in the communication groove and is slidingly connected.

[0011] Due to the adoption of the above technical scheme, the heat exchanger welding clamping device has the following beneficial effects:

[0012] The heat exchanger welding clamping device disclosed by the utility model is characterized in that the base of the serpentine pipe is placed on the main body frame, the base of the serpentine pipe is positioned, the position of the base of the serpentine pipe is fixed by the limiting mechanism, the base of the serpentine pipe is prevented from moving during welding, the position of the supporting piece is limited by the fastening bolt, the staff need not support the supporting piece, the position of the supporting piece is prevented from moving during welding, and the staff can operate conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a three-dimensional structural schematic view of the utility model;

[0014] Fig. 2 It is a side view of the utility model;

[0015] 1, main body frame; 101, first plate body; 102, second plate body; 2, limiting mechanism; 201, positioning nut; 202, bolt; 3, supporting leg; 4, fastening bolt. DETAILED DESCRIPTION

[0016] The utility model can be explained in detail through the following embodiments, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model.

[0017] The drawings of the utility model are attached Figs. 1-2 The heat exchanger welding clamping device comprises a main body frame 1, threaded grooves are arranged on the frame walls on the two sides of the main body frame 1, fastening bolts 4 are threadedly connected in the threaded grooves, the position of the supporting piece to be welded is limited by the fastening bolts 4, the staff can conveniently weld, two insertion grooves are arranged on the frame wall at the bottom end of the main body frame 1, limiting mechanisms 2 are arranged on the two sides of the frame wall at the bottom end of the main body frame 1, and the limiting ends of the limiting mechanisms 2 are located in the insertion grooves.

[0018] The main body frame 1 comprises a first plate body 101 and a second plate body 102, the number of the second plate bodies 102 is two, the two second plate bodies 102 are both located on the first plate body 101 and are fixedly connected, two threaded grooves are arranged on the second plate body 102, and two insertion grooves are arranged on the first plate body 101.

[0019] The two side walls of the first plate body 101 are respectively provided with a communication groove, and the position of the communication groove corresponds to and communicates with the position of the insertion groove.

[0020] The insertion groove is located at the middle position of the first plate body 101, and the coiled pipe base is positioned at the middle position of the first plate body 101 through the insertion groove.

[0021] The first plate body 101 is fixedly connected with equidistantly arranged support legs 3 on the lower surface.

[0022] The limiting mechanism 2 comprises a positioning nut 201 and a bolt 202, the number of the positioning nut 201 is two, the two positioning nuts 201 are respectively located on the side walls of the first plate body 101 and are fixedly connected, and the threaded groove in the positioning nut 201 corresponds to the communication groove, the bolt 202 is threadedly connected in the positioning nut 201, and one end of the bolt 202 is located in the communication groove and is slidingly connected.

[0023] The clamping device for welding the heat exchanger is used when the worker places the coiled pipe base needing to be welded with the support sheet on the first plate body 101, and inserts the oil pipe of the coiled pipe base into the insertion groove on the first plate body 101, limits the position of the coiled pipe base, rotates the bolt 202, and makes one end of the bolt 202 contact the oil pipe of the coiled pipe base, fixes the position of the coiled pipe base, avoids the movement of the base of the coiled pipe during welding, the worker places the support sheet needing to be welded in the appropriate position, rotates the fastening bolt 4 on the second plate body 102 on the two sides, makes one end of the fastening bolt 4 contact the support sheet, fixes the position of the support sheet through the fastening bolt 4, and avoids the movement of the position of the support sheet during the welding process.

[0024] The part not described in the utility model is the prior art, although the utility model is specifically shown and introduced in combination with the preferred embodiment, there are many specific implementation methods and approaches of the technical scheme, the above description is only the preferred embodiment of the utility model, but the skilled in the art should understand that various changes can be made in form and detail without departing from the spirit and scope of the utility model defined in the appended claims, and all the changes are within the protection scope of the utility model.

Claims

1. A clamping device for welding a heat exchanger, comprising a main frame (1), characterized in that: Threaded grooves are respectively provided on the frame walls on both sides of the main frame (1), and fastening bolts (4) are threadedly connected in the threaded grooves. Two insertion grooves are provided on the frame wall at the bottom end of the main frame (1), and limiting mechanisms (2) are respectively provided on both sides of the frame wall at the bottom end of the main frame (1), and the limiting ends of the limiting mechanisms (2) are located in the insertion grooves.

2. The heat exchanger welding clamping device according to claim 1, characterized in that: The main frame (1) comprises a first plate body (101) and a second plate body (102), wherein the number of the second plate bodies (102) is two, and the two second plate bodies (102) are both located on the first plate body (101) and fixedly connected, and the second plate body (102) is provided with two thread grooves, and the first plate body (101) is provided with two insertion grooves.

3. The heat exchanger welding clamping device according to claim 2, characterized in that: The two side walls of the first plate body (101) are respectively provided with communication grooves, and the positions of the communication grooves correspond to the positions of the insertion grooves and are connected.

4. The heat exchanger welding clamping device according to claim 2, characterized in that: The insertion slot is located in the middle of the first plate body (101).

5. The heat exchanger welding clamping device according to claim 2, characterized in that: Equidistantly arranged support legs (3) are fixedly connected to the lower surface of the first plate body (101).

6. The heat exchanger welding clamping device according to claim 1, characterized in that: The limiting mechanism (2) comprises a positioning nut (201) and a bolt (202), wherein the number of the positioning nuts (201) is two, and the two positioning nuts (201) are respectively located on the plate walls on both sides of the first plate body (101) and fixedly connected, and the thread groove in the positioning nut (201) corresponds to the connecting groove, and the bolt (202) is connected to the inner thread of the positioning nut (201), and one end of the bolt (202) is located in the connecting groove and is slidably connected.

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