CN216758797U - Welding device for machining tubular heat exchanger - Google Patents
Welding device for machining tubular heat exchanger Download PDFInfo
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- CN216758797U CN216758797U CN202122619728.0U CN202122619728U CN216758797U CN 216758797 U CN216758797 U CN 216758797U CN 202122619728 U CN202122619728 U CN 202122619728U CN 216758797 U CN216758797 U CN 216758797U
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- shell assembly
- heat exchanger
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Abstract
The utility model provides a welding device for processing a tubular heat exchanger, wherein the left end and the right end of a tube shell assembly are respectively positioned on the left side and the right side of a supporting part; the clamping assembly comprises two clamping parts and two mounting frames, the two clamping parts are positioned between the two mounting frames and can be axially and rotatably mounted on the mounting frames around the tube shell assembly, one side, opposite to the clamping parts, of the clamping parts is inwards sunken to form slots matched with the tube shell assembly, and the two mounting frames move oppositely to enable the two clamping parts to clamp the tube shell assembly leftwards and rightwards; the first driving mechanism drives the two clamping parts to synchronously rotate; the second driving mechanism drives the two mounting frames to move towards and away from each other. The technical scheme provided by the utility model has the beneficial effects that: the clamping of the two clamping parts leads the pipe shells to be tightly connected, and then the pipe shells are welded, thus ensuring the welding quality of the pipe shells; after the pipe shell parts are welded, the clamping parts are driven to rotate synchronously by the second driving mechanism, the whole pipe shell assembly is driven to rotate, welding is conducted on the pipe shell in the circumferential direction conveniently, and welding efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of welding of tubular heat exchangers, in particular to a welding device for machining of a tubular heat exchanger.
Background
The tubular heat exchanger is a dividing wall type heat exchanger which uses the wall surface of the tube bundle sealed in the tube shell as the heat transfer surface, the heat exchanger has simple structure, low cost, wider flow cross section and easy scale cleaning, can be made of various structural materials, can be used under high temperature and high pressure, and is the most widely applied type at present. The heat exchange tube is one of the elements of the heat exchanger and is arranged in the tube shell and used for exchanging heat between two media.
When preparing the great tubular heat exchanger of size, need with two at least tube welding, when the tube diameter is great, manual welding inefficiency can't satisfy the production demand.
SUMMERY OF THE UTILITY MODEL
In view of the above, to solve the above problems, embodiments of the present invention provide a welding device for processing a tubular heat exchanger.
The embodiment of the utility model provides a welding device for processing a tubular heat exchanger, which comprises:
the supporting seat is provided with a supporting part used for bearing the pipe shell assembly, and the left end and the right end of the pipe shell assembly are respectively positioned on the left side and the right side of the supporting part;
the clamping assembly comprises two clamping parts and two mounting frames, the two mounting frames are respectively positioned on the left side and the right side of the tube assembly and have moving strokes moving in opposite directions and moving in opposite directions, the two clamping parts are positioned between the two mounting frames and positioned on the left side and the right side of the tube assembly and can be axially and rotatably mounted on the mounting frames around the tube assembly, one side, opposite to the clamping parts, is inwards recessed to form a slot matched with the tube assembly, and the two mounting frames move in opposite directions to enable the two clamping parts to clamp the tube assembly in the left and right directions;
the first driving mechanism drives the two clamping parts to synchronously rotate;
and the second driving mechanism drives the two mounting frames to move oppositely and oppositely.
Furthermore, the inner wall of the slot is provided with a friction layer.
Furthermore, a threaded hole communicated with the slot is formed in the side wall of the clamping part in a penetrating mode, and the positioning stud is in threaded connection with the threaded hole and abuts against the tube shell assembly.
Furthermore, a buffer layer is fixed at one end of the positioning stud abutting against the tube shell assembly.
Furthermore, the supporting seat is provided with a guide rail extending in the left-right direction, and the bottom of the mounting frame is provided with a sliding block sliding along the guide rail.
Further, the second driving mechanism comprises two one-way cylinders, the two one-way cylinders are respectively located on the left side and the right side of the two mounting frames, and piston rods of the one-way cylinders are fixedly connected with the mounting frames.
Further, the mounting bracket orientation one side of clamping part is equipped with the mounting groove, clamping part fixedly connected with connecting rod, the connecting rod other end with the mounting groove passes through the bearing and connects, a actuating mechanism drives connecting rod synchronous revolution.
Further, the first driving mechanism comprises two driving assemblies, the driving assemblies and the connecting rods are arranged in a one-to-one correspondence mode, each driving assembly comprises a driving motor, a driving gear and a driven gear, the driven gear is fixed on the connecting rod, the driving gear meshed with the driven gear is fixed on a driving shaft of the driving motor, and the driving motor drives the driving gear to rotate, so that the driven gear and the connecting rods are driven to rotate axially, and further the clamping portion and the tube shell assembly are driven to rotate.
Furthermore, the top surface of the supporting part is an arc surface matched with the pipe shell.
Furthermore, a plurality of balls are embedded in the top surface of the supporting part, and the pipe shell assembly rolls on the balls.
The technical scheme provided by the embodiment of the utility model has the following beneficial effects: after a plurality of tubes are coaxially placed on the supporting portion, the first driving mechanism is utilized to drive the two mounting frames to move in opposite directions, so that the left end and the right end of the tube component are respectively inserted into the slots of the clamping portions, the tubes are tightly connected through clamping of the two clamping portions, the tubes are welded, and the welding quality of the tubes can be guaranteed. After the tube is partially welded, the second driving mechanism is used for driving the clamping part to rotate synchronously, the whole tube assembly can be driven to rotate, the tube is convenient to weld in the circumferential direction, and the welding efficiency is accelerated.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a welding device for processing a tubular heat exchanger provided by the utility model;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic structural view of the tube housing assembly and the support part of fig. 1.
In the figure: the pipe shell assembly comprises a pipe shell assembly 100, a supporting seat 1, a supporting part 11, a guide rail 12, a ball 13, a clamping part 2, a slot 21, a friction layer 22, an installation frame 3, a sliding block 31, an installation groove 32, a positioning stud 4, a one-way cylinder 5, a piston rod 51, a connecting rod 6, a bearing 7, a driving assembly 8, a driving motor 81, a driving gear 82 and a driven gear 83.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the utility model provides a welding device for processing a tubular heat exchanger, including a supporting seat 1, a clamping assembly, a first driving mechanism and a second driving mechanism.
The supporting seat 1 is provided with a supporting part 11, the supporting part 11 is used for bearing a tube shell assembly 100, the tube shell assembly 100 comprises a plurality of tube shells which are sequentially and closely placed and coaxial from left to right, and the left end and the right end of the tube shell assembly 100 are respectively positioned on the left side and the right side of the supporting part 11.
The centre gripping subassembly includes two clamping part 2 and two mounting brackets 3, two mounting bracket 3 is located the tube subassembly 100 left and right sides respectively, has in opposite directions and the activity stroke that moves dorsad, two clamping part 2 is located two between the mounting bracket 3, and be located the tube subassembly 100 left and right sides, can wind tube subassembly 100 axial rotation install in on the mounting bracket 3. The opposite side of the clamping part 2 is inwards sunken to form slots 21 matched with the tube shell assembly 100, the two slots 21 are coaxially arranged, and the two mounting frames 3 move oppositely to enable the two clamping parts 2 to clamp the tube shell assembly 100 in the left-right direction; the first driving mechanism drives the two clamping parts 2 to synchronously rotate, and the second driving mechanism drives the two mounting frames 3 to move oppositely and reversely.
After a plurality of shells are coaxially placed on the supporting portion 11, the first driving mechanism is utilized to drive the two mounting frames 3 to move in opposite directions, so that the left end and the right end of the shell assembly 100 are respectively inserted into the slots 21 of the clamping portions 2, the shells are tightly connected through clamping of the two clamping portions 2, and then the shells are welded, and the welding quality of the shells can be guaranteed. After the tube shell is partially welded, the second driving mechanism is utilized to drive the clamping part 2 to rotate synchronously, the whole tube shell assembly 100 can be driven to rotate, the tube shell is convenient to weld circumferentially, and the welding efficiency is accelerated.
Further, referring to fig. 3, the top surface of the supporting portion 11 is an arc surface adapted to the tube shells, and the plurality of tube shells are placed on the supporting portion 11, so that the plurality of tube shells can be ensured to be coaxial, and the welding precision of the tube shells is improved.
The top surface of the supporting part 11 is embedded with a plurality of balls 13, and the tube and shell assembly 100 rolls on the balls 13, so that the friction force between the tube and shell assembly 100 and the supporting part 11 can be reduced, and the tube and shell assembly 100 can rotate to be welded conveniently.
Further, referring to fig. 2, the inner wall of the insertion groove 21 is provided with a friction layer 22, and the friction layer 22 may be a granular friction layer, a threaded friction layer, a rubber layer, or the like, which can increase the friction force between the end of the pipe shell and the insertion groove 21 and increase the clamping strength of the clamping portion 2 on the pipe shell assembly 100.
The side wall of the clamping part 2 is provided with a threaded hole communicated with the slot 21 in a penetrating manner, the positioning stud 4 is in threaded connection with the threaded hole and abuts against the pipe shell assembly 100, the strength of the end part of the pipe shell fixed in the slot 21 is increased, and the rotation of the clamping part 2 is ensured while the pipe shell assembly 100 is driven to rotate. The one end that positioning stud 4 and tube shell subassembly 100 offseted is fixed with the buffer layer, avoids positioning stud 4 to cause the damage to the tube shell lateral wall too big to the tube shell application of force, and the buffer layer can be rubber layer, silica gel layer etc..
Further, please refer to fig. 1, a guide rail 12 extending in the left-right direction is disposed on the support base 1, a sliding block 31 sliding on the guide rail 12 is disposed at the bottom of the mounting frame 3, and the sliding block 31 and the guide rail 12 are matched to play a guiding role in the movement of the mounting frame 3.
The second actuating mechanism includes two one-way cylinders 5, two one-way cylinders 5 are located two 3 left and right sides of mounting bracket respectively, one-way cylinder 5's piston rod 51 with mounting bracket 3 fixed connection, one-way cylinder 5's piston rod 51 is flexible, can drive two mounting brackets 3 and remove in opposite directions and dorsad. In other embodiments, the second driving mechanism may also be a ball screw mechanism, a linear module, or the like.
In this embodiment, mounting bracket 3 orientation one side of clamping part 2 is equipped with mounting groove 32, clamping part 2 fixedly connected with connecting rod 6, connecting rod 6 are along controlling to extending, the connecting rod 6 other end with mounting groove 32 passes through bearing 7 and connects, a actuating mechanism drive connecting rod 6 synchronous revolution, the installation of the actuating mechanism of being convenient for.
Specifically, the first driving mechanism includes two driving assemblies 8, the driving assemblies 8 are arranged in one-to-one correspondence with the connecting rod 6, each driving assembly 8 includes a driving motor 81, a driving gear 82 and a driven gear 83, the connecting rod 6 is fixed with the driven gear 83, the driving shaft of the driving motor 81 is fixed with the driving gear 82 engaged with the driven gear 83, and the driving motor 81 drives the driving gear 82 to rotate, so as to drive the driven gear 83 and the connecting rod 6 to axially rotate, and further drive the clamping portion 2 and the tube shell assembly 100 to rotate. Through setting up two drive assembly 8, the installation of driving motor 81 of being convenient for, driving motor 81 can the direct fixation on supporting seat 1, and the simple installation, area occupied is little. In other embodiments, two driven gears 83 are engaged with the same driving gear 82, and the driving motor 81 drives the driving gear 82 to rotate, so that the clamping portion 2 can also rotate synchronously.
In this document, the terms front, back, upper, lower and the like in the drawings are used for the sake of clarity and convenience only for the components are located in the drawings and the positions of the components relative to each other. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a welding set is used in processing of tubular heat exchanger which characterized in that includes:
the supporting seat is provided with a supporting part used for bearing the pipe shell assembly, and the left end and the right end of the pipe shell assembly are respectively positioned on the left side and the right side of the supporting part;
the clamping assembly comprises two clamping parts and two mounting frames, the two mounting frames are respectively positioned on the left side and the right side of the tube shell assembly and have moving strokes moving in opposite directions and in opposite directions, the two clamping parts are positioned between the two mounting frames and positioned on the left side and the right side of the tube shell assembly and can be axially and rotatably mounted on the mounting frames around the tube shell assembly, one sides, opposite to the clamping parts, of the two clamping parts are inwards sunken to form slots matched with the tube shell assembly, and the two mounting frames move in opposite directions so that the two clamping parts clamp the tube shell assembly in the left and right directions;
the first driving mechanism drives the two clamping parts to synchronously rotate;
and the second driving mechanism drives the two mounting frames to move oppositely and oppositely.
2. The welding device for processing the tubular heat exchanger according to claim 1, wherein the inner wall of the slot is provided with a friction layer.
3. The welding device for processing the tube type heat exchanger according to claim 1, wherein a threaded hole communicated with the slot is formed in the side wall of the clamping part in a penetrating manner, and a positioning stud is in threaded connection with the threaded hole and abuts against the tube shell assembly.
4. A welding device for processing a tube heat exchanger as recited in claim 3, wherein a buffer layer is fixed at one end of said positioning stud abutting against said tube shell assembly.
5. The welding device for processing the tube heat exchanger according to claim 1, wherein the supporting base is provided with a guide rail extending in a left-right direction, and a sliding block sliding on the guide rail is arranged at the bottom of the mounting rack.
6. The welding device for processing the tube heat exchanger according to claim 5, wherein the second driving mechanism comprises two one-way cylinders, the two one-way cylinders are respectively located on the left side and the right side of the two mounting frames, and piston rods of the one-way cylinders are fixedly connected with the mounting frames.
7. The welding device for processing the tube heat exchanger according to claim 1, wherein a mounting groove is formed in one side of the mounting frame facing the clamping portion, a connecting rod is fixedly connected to the clamping portion, the other end of the connecting rod is connected with the mounting groove through a bearing, and the first driving mechanism drives the connecting rod to rotate synchronously.
8. The welding device for processing the tube heat exchanger according to claim 7, wherein the first driving mechanism comprises two driving assemblies, the driving assemblies are arranged in one-to-one correspondence with the connecting rods, each driving assembly comprises a driving motor, a driving gear and a driven gear, the driven gear is fixed on the connecting rod, the driving gear meshed with the driven gear is fixed on a driving shaft of the driving motor, and the driving motor drives the driving gear to rotate, so that the driven gear and the connecting rod are driven to rotate axially, and further the clamping part and the tube shell assembly are driven to rotate.
9. The welding device for processing the tube type heat exchanger as claimed in claim 1, wherein the top surface of the supporting part is arranged in a cambered surface matched with the tube shell.
10. The welding device for processing the tube heat exchanger as recited in claim 9, wherein a plurality of balls are embedded on the top surface of the support portion, and the tube shell assembly rolls on the balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619728.0U CN216758797U (en) | 2021-10-28 | 2021-10-28 | Welding device for machining tubular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619728.0U CN216758797U (en) | 2021-10-28 | 2021-10-28 | Welding device for machining tubular heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216758797U true CN216758797U (en) | 2022-06-17 |
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ID=81961757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122619728.0U Active CN216758797U (en) | 2021-10-28 | 2021-10-28 | Welding device for machining tubular heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216758797U (en) |
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2021
- 2021-10-28 CN CN202122619728.0U patent/CN216758797U/en active Active
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