CN211759421U - Welding device of plate heat exchanger - Google Patents
Welding device of plate heat exchanger Download PDFInfo
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- CN211759421U CN211759421U CN201922369673.5U CN201922369673U CN211759421U CN 211759421 U CN211759421 U CN 211759421U CN 201922369673 U CN201922369673 U CN 201922369673U CN 211759421 U CN211759421 U CN 211759421U
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- welding
- welding device
- heat exchanger
- plate heat
- push rod
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Abstract
The utility model discloses a welding device of a plate heat exchanger; belongs to the technical field of plate heat exchangers; the welding device comprises a welding device frame, electric slide rails are fixedly arranged on two sides of the lower surface of the welding device frame, a telescopic rod is arranged at the bottom end of the welding device frame and located between the two electric slide rails, and a welding gun is arranged at one end, far away from the welding device frame, of the telescopic rod. The utility model discloses a fixed block, mounting panel and briquetting that set up in the welding set frame, through the trapezoidal lead screw in the travel switch operation installing support, after that through the rotation of trapezoidal lead screw and promote hollow push rod activity downwards, hollow push rod has driven mounting panel and briquetting and has pressed down and has lived a welding piece, and this design can make the briquetting roll a welding piece when welder welds the welding piece, helps reducing welding residual stress, avoids welding seam department to take place stress corrosion fracture and seepage phenomenon.
Description
Technical Field
The utility model relates to a plate heat exchanger field, more specifically say, especially relate to a plate heat exchanger's welding set.
Background
The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is ideal equipment for liquid-liquid and liquid-steam heat exchange, is a heat transfer energy-saving equipment widely applied to petrochemical industry at present, and has simple structure and low manufacturing cost.
The tube side and the shell side of the heat exchanger are formed by welding connection, residual stress is inevitably generated by welding, and under the combined action of the residual stress and a corrosion medium, stress corrosion cracking occurs at the welding seam of the tube plate, so that the leakage phenomenon occurs, and therefore, the welding device of the plate heat exchanger is necessary to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a weaken residual stress's plate heat exchanger's welding set to above-mentioned prior art not enough.
The technical scheme of the utility model is realized like this: a welding device of a plate heat exchanger comprises a welding device rack, wherein electric slide rails are fixedly arranged on two sides of the lower surface of the welding device rack, a telescopic rod is arranged at the bottom end of the welding device rack and is positioned between the two electric slide rails, a welding gun is arranged at one end, away from the welding device rack, of the telescopic rod, two fixing blocks are movably connected to one end, close to each other, of the two electric slide rails, the two fixing blocks are positioned on two sides of the telescopic rod, two electric pulleys are arranged on two sides of the two fixing blocks, a plurality of electric pulleys are matched with the electric slide rails, a mounting bracket is fixedly connected to the bottom ends of the two fixing blocks, a push rod groove is formed in one end, away from the fixing blocks, of the mounting bracket, a travel switch is arranged inside the fixing, trapezoidal lead screw is located the inside of push rod recess, just travel switch passes through electric connection with trapezoidal lead screw, the one end swing joint that the fixed block was kept away from to trapezoidal lead screw has hollow push rod, hollow push rod is close to the one end of trapezoidal lead screw and is provided with the stopper, just stopper and push rod recess looks adaptation.
As a further scheme of the utility model: two the one end that trapezoidal lead screw was kept away from to hollow push rod all is provided with the mounting panel, two the briquetting recess has all been seted up to the bottom of mounting panel.
As a further scheme of the utility model: two first spacing recess has all been seted up to the both sides of mounting panel, two the spacing recess of second has all been seted up to the briquetting both sides, just first spacing recess links to each other with the spacing recess of second.
As a further scheme of the utility model: two the bottom of mounting panel all is connected with the briquetting, two the both sides of mounting panel all have spacing bolt through threaded connection.
As a further scheme of the utility model: the limiting bolt is respectively matched with the first limiting groove and the second limiting groove, and the pressing block is connected with the top surface of the inner wall of the pressing block groove through the limiting bolt in a laminating mode.
As a further scheme of the utility model: the welding device comprises a welding device frame and is characterized in that a workbench is arranged below the welding device frame, clamps are arranged at two ends of the upper surface of the workbench, a base plate is fixedly arranged at one end, close to each other, of each clamp, and the base plate is located below a welding gun.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a fixed block, travel switch, hollow push rod, mounting panel and the briquetting that set up in the welding set frame, through the trapezoidal lead screw in travel switch operation installing support, then promote hollow push rod activity downwards through the rotation of trapezoidal lead screw, hollow push rod has driven mounting panel and briquetting and has pressed the welding piece downwards, and this design can make the briquetting roll the welding piece when welder welds the welding piece, helps reducing welding residual stress, avoids the welding seam to take place stress corrosion fracture and seepage phenomenon;
2. the utility model discloses a spacing bolt that sets up on the mounting panel, first spacing recess, spacing recess of second and briquetting, take out spacing bolt in from first spacing recess through the screw thread, and then can remove spacing bolt fixed to the briquetting, make the briquetting can follow the mounting panel and dismantle, the change after the clamp plate of being convenient for uses for a long time, and through the electronic pulley that sets up on the fixed block, the activity that electronic pulley can be on electronic slide rail can drive the fixed block and carry out position adjustment, make the device can compatible different model welding piece roll, the practicality of the device is improved.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sectional view of the mounting bracket of the present invention;
fig. 3 is a schematic view of the sectional structure of the mounting plate of the present invention;
in the figure: 1. a welding device frame; 2. an electric slide rail; 3. a telescopic rod; 4. a welding gun; 5. a fixed block; 6. an electric pulley; 7. mounting a bracket; 8. a travel switch; 9. a trapezoidal lead screw; 10. a push rod groove; 11. a hollow push rod; 12. mounting a plate; 13. pressing block grooves; 14. a first limit groove; 15. a second limit groove; 16. briquetting; 17. a limit bolt; 18. a work table; 19. a clamp; 20. a backing plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The utility model provides a welding device of a plate heat exchanger as shown in figures 1-3, which comprises a welding device frame 1, wherein both sides of the lower surface of the welding device frame 1 are fixedly provided with electric slide rails 2, the bottom end of the welding device frame 1 is provided with a telescopic rod 3, the telescopic rod 3 is positioned between the two electric slide rails 2, one end of the telescopic rod 3 far away from the welding device frame 1 is provided with a welding gun 4, one end of the two electric slide rails 2 close to each other is movably connected with two fixed blocks 5, the two fixed blocks 5 are positioned at both sides of the telescopic rod 3, both sides of the two fixed blocks 5 are provided with two electric pulleys 6, a plurality of electric pulleys 6 are matched with the electric slide rails 2, through the electric pulleys 6 arranged on the fixed blocks 5, the electric pulleys 6 can move on the electric slide rails 2 to drive the fixed blocks 5 to adjust the positions, so that the, the practicability of the device is improved, the bottom ends of two fixed blocks 5 are fixedly connected with a mounting bracket 7, one end of the mounting bracket 7, which is far away from the fixed blocks 5, is provided with a push rod groove 10, a travel switch 8 is arranged inside the fixed blocks 5, the bottom ends of the fixed blocks 5 are connected with a trapezoidal lead screw 9, the trapezoidal lead screw 9 is positioned inside the push rod groove 10, the travel switch 8 is electrically connected with the trapezoidal lead screw 9, one end of the trapezoidal lead screw 9, which is far away from the fixed blocks 5, is movably connected with a hollow push rod 11, one end of the hollow push rod 11, which is close to the trapezoidal lead screw 9, is provided with a stopper, the stopper is matched with the push rod groove 10, the trapezoidal lead screw 9 in the mounting bracket 7 is operated through the travel switch 8, then the hollow push rod 11 is pushed to move downwards through the rotation of the trapezoidal lead screw 9, the hollow push rod 11, the pressing block 16 is used for rolling the welding piece, so that the residual welding stress is reduced, and the phenomena of stress corrosion cracking and leakage at the welding joint are avoided.
Further, the end, far away from trapezoidal lead screw 9, of two hollow push rods 11 is provided with mounting plate 12, and pressing block groove 13 is provided at the bottom end of two mounting plates 12.
Further, first limiting grooves 14 are formed in two sides of the two mounting plates 12, second limiting grooves 15 are formed in two sides of the two pressing blocks 16, and the first limiting grooves 14 are connected with the second limiting grooves 15.
Further, the bottom ends of the two mounting plates 12 are connected with a pressing block 16, and two sides of the two mounting plates 12 are connected with a limiting bolt 17 through threads.
Further, spacing bolt 17 is the first spacing recess of adaptation 14 and the spacing recess 15 of second respectively, and briquetting 16 is connected through the laminating of spacing bolt 17 and the inner wall top surface of briquetting recess 13, takes out spacing bolt 17 from first spacing recess 14 through the screw thread, and then can remove spacing bolt 17 fixed to briquetting 16, makes briquetting 16 can follow mounting panel 12 and dismantle, the change after the clamp plate of being convenient for uses for a long time.
Further, a workbench 18 is arranged below the welding device rack 1, two ends of the upper surface of the workbench 18 are provided with clamps 19, one ends of the two clamps 19, which are close to each other, are fixedly provided with backing plates 20, the backing plates 20 are located below the welding guns 4, the welding pieces can be fixed through the clamps 19, and the pressing block 16 can bear the weight of the welding pieces through the backing plates 20 below the welding pieces when rolling the welding pieces.
Furthermore, the structure and the connection mode of the travel switch 8 are the prior art, and are not further disclosed in the application; the electric sliding rail 2 and the electric pulley 6 are both disclosed in the prior art, and the specific structure, control and power supply of the electric sliding rail 2 and the electric pulley 6 are both mature technologies in the prior art, and are not further explained in the application; simultaneously all power supplies in this application all realize the switch-on and the disconnection of power through power cord and external power source electric connection.
In the idle position of the device, all electric devices and drivers matched with the electric devices are arranged, and all driving parts, which refer to power elements, the electric devices and adaptive power supplies, are connected through leads by persons in the field.
The utility model discloses the theory of operation: when the welding device is used, the trapezoidal screw rod 9 in the mounting bracket 7 is operated through the travel switch 8, then the hollow push rod 11 is pushed to move downwards through the rotation of the trapezoidal screw rod 9, the hollow push rod 11 drives the mounting plate 12 and the press block 16 to press the welding part downwards, and the press block 16 can roll the welding part when the welding gun 4 welds the welding part, so that the welding residual stress is reduced, and the stress corrosion cracking and leakage phenomena at the welding joint are avoided; the limiting bolt 17 is taken out of the first limiting groove 14 through threads, so that the fixing of the limiting bolt 17 on the pressing block 16 can be released, the pressing block 16 can be detached from the mounting plate 12, and the pressing block can be conveniently replaced after being used for a long time; through the electronic pulley 6 that sets up on fixed block 5, electronic pulley 6 can drive fixed block 5 in the activity on electronic slide rail 2 and carry out position adjustment, makes the device can compatible different models welding piece roll, has improved the device's practicality.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (6)
1. A welding set of plate heat exchanger which characterized in that: the welding device comprises a welding device rack (1), wherein electric slide rails (2) are fixedly arranged on two sides of the lower surface of the welding device rack (1), a telescopic rod (3) is arranged at the bottom end of the welding device rack (1), the telescopic rod (3) is positioned between the two electric slide rails (2), a welding gun (4) is arranged at one end, away from the welding device rack (1), of the telescopic rod (3), two electric slide rails (2) are movably connected with two fixed blocks (5) at the end, close to each other, of the two electric slide rails (2), the two fixed blocks (5) are positioned on two sides of the telescopic rod (3), two electric pulleys (6) are arranged on two sides of the two fixed blocks (5), a plurality of electric pulleys (6) are matched with the electric slide rails (2), an installation support (7) is fixedly connected with the bottom ends of the two fixed blocks (5), and a push rod groove (10) is formed in, the internally mounted of fixed block (5) has travel switch (8), the bottom of fixed block (5) is connected with trapezoidal lead screw (9), trapezoidal lead screw (9) are located the inside of push rod recess (10), just travel switch (8) pass through electric connection with trapezoidal lead screw (9), the one end swing joint that fixed block (5) were kept away from to trapezoidal lead screw (9) has hollow push rod (11), the one end that hollow push rod (11) are close to trapezoidal lead screw (9) is provided with the stopper, just stopper and push rod recess (10) looks adaptation.
2. The welding device of the plate heat exchanger according to claim 1, wherein mounting plates (12) are respectively arranged at the ends of the two hollow push rods (11) far away from the trapezoidal screw (9), and pressing block grooves (13) are respectively formed at the bottom ends of the two mounting plates (12).
3. A welding device for a plate heat exchanger according to claim 2, wherein two sides of the two mounting plates (12) are respectively provided with a first limiting groove (14), two sides of the two pressing blocks (16) are respectively provided with a second limiting groove (15), and the first limiting grooves (14) are connected with the second limiting grooves (15).
4. A welding device for a plate heat exchanger according to claim 3, characterized in that the bottom ends of the two mounting plates (12) are connected with press blocks (16), and both sides of the two mounting plates (12) are connected with limit bolts (17) through threads.
5. A plate heat exchanger welding device according to claim 4, characterized in that the limiting bolts (17) are respectively fitted into the first limiting groove (14) and the second limiting groove (15), and the pressing block (16) is in fit connection with the top surface of the inner wall of the pressing block groove (13) through the limiting bolts (17).
6. The welding device of a plate heat exchanger according to claim 1, characterized in that a workbench (18) is arranged below the frame (1) of the welding device, two clamps (19) are arranged at two ends of the upper surface of the workbench (18), a backing plate (20) is fixedly arranged at the end of each of the two clamps (19) close to each other, and the backing plate (20) is positioned below the welding gun (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369673.5U CN211759421U (en) | 2019-12-26 | 2019-12-26 | Welding device of plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369673.5U CN211759421U (en) | 2019-12-26 | 2019-12-26 | Welding device of plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211759421U true CN211759421U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922369673.5U Active CN211759421U (en) | 2019-12-26 | 2019-12-26 | Welding device of plate heat exchanger |
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| CN (1) | CN211759421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444507A (en) * | 2023-11-23 | 2024-01-26 | 台州市真浩科技有限公司 | Metal palm model welding set and welding jig thereof |
-
2019
- 2019-12-26 CN CN201922369673.5U patent/CN211759421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444507A (en) * | 2023-11-23 | 2024-01-26 | 台州市真浩科技有限公司 | Metal palm model welding set and welding jig thereof |
| CN117444507B (en) * | 2023-11-23 | 2024-05-28 | 台州市真浩科技有限公司 | Metal palm model welding set and welding jig thereof |
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