CN218695474U - Welding tool structure of heat exchanger shell - Google Patents
Welding tool structure of heat exchanger shell Download PDFInfo
- Publication number
- CN218695474U CN218695474U CN202222802036.4U CN202222802036U CN218695474U CN 218695474 U CN218695474 U CN 218695474U CN 202222802036 U CN202222802036 U CN 202222802036U CN 218695474 U CN218695474 U CN 218695474U
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- clamping
- base
- seat
- positioning seat
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 49
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model discloses a welding frock structure of heat exchanger shell, including base, benchmark fixing base, removal positioning seat, adjusting part, clamping component and welding position template, the one end at the base is established to the benchmark fixing base, removes the positioning seat and establishes at the other end of base, and clamping component establishes on removing the positioning seat, is equipped with the location boss on removing the positioning seat, and welding position template establishes in the top of benchmark fixing base, has seted up a plurality of locating holes on the welding position template. The clamping assembly drives the positioning boss to move axially close to or far away from the reference fixing seat, so that the two ends of the shell are clamped; the clamping of shells with different lengths can be adapted by arranging the adjusting assembly; and set up welding position template in the top of benchmark fixing base, realize the location to medium inlet pipe and medium outlet pipe welded, can guarantee welding position's precision from this, improved production efficiency and welding quality.
Description
Technical Field
The utility model relates to a heat exchanger production technical field especially relates to a welding frock structure of heat exchanger shell.
Background
In the shell production process of the shell-and-tube heat exchanger, the shell, the medium inlet tube and the medium outlet tube are welded together, and the shell is in a circular tube shape, so that the welding difficulty and the labor intensity are high, and the production efficiency is low. In order to solve this problem, chinese utility model patent that publication number is CN211804587U discloses tubular heat exchanger's welding frock, and it includes the workstation, and the horizontal direction's of workstation both ends are provided with the fixing base relatively and are removed the seat, remove the length direction that the seat can follow the workstation and slide, are provided with elevating gear on the workstation. The fixing seat is rotatably connected with a first chuck through a bearing, and a first clamping jaw is welded on the first chuck. Move and rotate through the bearing on the seat and be connected with the second chuck, the welding has the second jack catch on the second chuck, is equipped with the cylinder on moving the seat, and the output shaft of cylinder has the ejector pin, and the one end that the cylinder was kept away from to the ejector pin is rotated and is worn to establish on the second chuck. The working principle is as follows: the staff places the tube sheet respectively between first jack catch and second jack catch, and the diameter size of the casing of processing as required rotates the height of two-way threaded rod regulation supporting seat. Adjust the movable seat and be close to fixing base one end, then adjust the output shaft of cylinder and stretch out, the cylinder promotes the ejector pin for tube sheet on the second jack catch is contradicted with the tip of casing and is aligned. The working principle is as follows: firstly, the staff rotates the handle according to the diameter size of casing, and two-way threaded rod rotates and drives the supporting seat and rise or reduce for the supporting seat supports the below at the casing steadily. Then, the staff places the tube sheet respectively between first jack catch and second jack catch, and at this moment, the staff adjusts the switch of cylinder, and the cylinder promotes the ejector pin, realizes that both sides tube sheet and the both ends of casing are contradicted and are aimed at. And finally, the adjusting bottom plate slides to a proper position along the guide rail, so that the supporting seat is stably supported below the shell.
In the above documents, although the radial, axial and circumferential fixing of the casing can be realized, and the problem of high labor intensity in the welding process is solved, the welding positions of the other two weldments (the medium inlet pipe and the medium outlet pipe) on the casing are still lack of positioning in the prior art, which results in low welding precision and high repair rate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a welding frock structure of heat exchanger casing to solve one or more technical problem that exist among the above-mentioned background art.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a welding frock structure of heat exchanger shell, includes base, benchmark fixing base, removal positioning seat, adjusting part, clamping component and welding position template, the benchmark fixing base is established the one end of base, it establishes to remove the positioning seat the other end of base, adjusting part establishes on the base, adjusting part is used for adjusting remove the positioning seat with distance between the benchmark fixing base, clamping component establishes on the removal positioning seat, be equipped with the location boss on the removal positioning seat, clamping component is used for driving location boss axial displacement, welding position template establishes the top of benchmark fixing base, a plurality of locating holes have been seted up on the welding position template.
Preferably, the two ends of the base are provided with mounting brackets, and the two ends of the welding positioning template are detachably connected with the mounting brackets respectively.
Preferably, the clamping assembly comprises a clamping fixing seat, a clamping cylinder and a clamping baffle, the clamping fixing seat is arranged at one end of the movable positioning seat, the clamping cylinder is arranged on the clamping fixing seat, the telescopic end of the clamping cylinder is connected with the clamping baffle, and the positioning boss is arranged on one side, close to the reference fixing seat, of the clamping baffle.
Preferably, an elastic buffer is arranged between the positioning boss and the clamping baffle.
Preferably, the adjusting assembly comprises a translation driving motor and a lead screw assembly, the translation driving motor is arranged on one side of the base, a rotating shaft end of the translation driving motor is connected with an input end of the lead screw assembly, and the movable positioning seat is connected with an output end of the lead screw assembly.
Preferably, the lifting support seat is further included, and an arc-shaped support plate is arranged on the lifting support seat.
Preferably, the clamping assembly further comprises a first slide rail and a first slide block, the first slide rail is arranged at the other end of the movable positioning seat, the first slide block is arranged at the bottom of the clamping baffle, and the first slide block is connected with the first slide rail in a sliding manner; the adjusting component further comprises a second sliding rail and a second sliding block, the second sliding rail is arranged at the other end of the base, the second sliding block is arranged at the bottom of the movable positioning seat, and the second sliding block is connected with the second sliding rail in a sliding mode.
Compared with the prior art, the beneficial effects of the utility model are that: the clamping assembly drives the positioning boss to axially move close to or far away from the reference fixing seat, so that the two ends of the shell are clamped; the clamping of shells with different lengths can be adapted by arranging the adjusting assembly; and set up welding position template in the top of benchmark fixing base, realize the location to medium inlet tube and medium outlet pipe welded, can guarantee the precision of welding position from this, improved production efficiency and welding quality.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic view of the clamping housing according to one embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of one embodiment of the present invention.
Wherein: the device comprises a base 1, a reference fixing seat 2, a movable positioning seat 3, an adjusting assembly 4, a clamping assembly 5, a welding positioning template 6, a positioning boss 31, a positioning hole 61, a mounting bracket 62, a clamping fixing seat 51, a clamping cylinder 52, a clamping baffle 53, an elastic buffer 54, a translation driving motor 41, a lead screw assembly 42, a lifting supporting seat 7, an arc-shaped supporting plate 71, a first sliding rail 43, a first sliding block 44, a second sliding rail 55, a second sliding block 56, a shell 01, a medium inlet pipe 02 and a medium outlet pipe 03.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The welding frock structure of heat exchanger shell of this embodiment, refer to attached 1 and 2, the on-line screen storage device comprises a base, the benchmark fixing base, remove the positioning seat, adjusting part, clamping component and welding position template, the one end at the base is established to the benchmark fixing base, remove the positioning seat and establish the other end at the base, adjusting part establishes on the base, adjusting part is used for adjusting the distance between removal positioning seat and the benchmark fixing base, clamping component establishes on removing the positioning seat, all be equipped with the location boss on removal positioning seat and the benchmark fixing base, clamping component is used for driving location boss axial displacement, the welding position template is established in the top of benchmark fixing base, a plurality of locating holes have been seted up on the welding position template, the internal diameter of locating hole is unanimous with the external diameter by welded medium inlet tube and medium outlet pipe weldment, a location for to medium inlet tube weldment and medium outlet pipe weldment.
The clamping assembly drives the positioning boss to move axially close to or far away from the reference fixing seat, so that the two ends of the shell are clamped; the clamping of shells with different lengths can be adapted by arranging the adjusting assembly; and set up welding position template in the top of benchmark fixing base, realize the location to medium inlet tube and medium outlet pipe welded, can guarantee the precision of welding position from this, improved production efficiency and welding quality.
Preferably, the two ends of the base are provided with mounting brackets, and the two ends of the welding positioning template are detachably connected with the mounting brackets respectively. Because the external diameter of the medium inlet pipe of unidimensional shell and tube heat exchanger product differs with the medium outlet pipe, this embodiment can dismantle with the installing support through setting up the welding position template and link to each other from this for can change the welding position template that has different aperture locating holes according to the product requirement, with the production of satisfying the shell and tube heat exchanger of various sizes.
Preferably, clamping unit includes clamping fixing base, die clamping cylinder and clamping baffle, and clamping fixing base establishes the one end at the removal positioning seat, and die clamping cylinder establishes on clamping fixing base, and clamping cylinder's flexible end is connected with clamping baffle, and the location boss is established in one side that clamping baffle is close to the benchmark fixing base. Therefore, the clamping of the end part of the shell is realized by driving the clamping baffle plate through the clamping cylinder.
Furthermore, an elastic buffer piece is arranged between the positioning boss and the clamping baffle. From this, elastic buffer's setting has not only played the cushioning effect at the in-process of pressing from both sides tight casing tip, avoids causing the harm of casing tip, takes place relative movement between location boss and the tight baffle of clamp when pressing from both sides tight casing's tip moreover for elastic buffer is compression state, and consequently elastic buffer's setting makes and presss from both sides tight effect better, has effectively avoided the welding in-process casing to take place to remove. When the shell is clamped, the telescopic end of the clamping cylinder stretches out to enable the clamping baffle and the clamping fixing seat to be far away, then one end of the shell corresponds to the positioning boss on the reference fixing seat, then the other end of the shell corresponds to the front portion and the rear portion of the positioning boss of the clamping fixing seat, finally the telescopic end of the clamping cylinder retracts and pulls the clamping baffle to be close to the clamping fixing seat to move, the positioning boss of the clamping fixing seat stretches into the other end of the shell in the moving process, until the elastic buffer piece between the positioning boss and the clamping baffle is compressed, and the clamping of the shell is completed.
Preferably, the adjusting assembly comprises a translation driving motor and a screw rod assembly, the translation driving motor is arranged on one side of the base, the rotating shaft end of the translation driving motor is connected with the input end of the screw rod assembly, and the movable positioning seat is connected with the output end of the screw rod assembly. Through the linear motion that lead screw assembly changes translation driving motor's rotary motion into the removal positioning seat, realized the regulation to removing distance between positioning seat and the benchmark fixing base, through adjusting the distance between the two for the welding frock structure of this embodiment can adapt to the centre gripping to not unidimensional casing, and application range is wider.
Preferably, still include the lift supporting seat, be equipped with the arc backup pad on the lift supporting seat. The lift supporting seat is used for the support to the casing below, through the height of adjusting the lift supporting seat, adapts to the support to not unidimensional casing, and the supporting seat that can realize raising and lowering functions is the more conventional structure in this field, therefore its specific structure does not describe in this embodiment any more.
Preferably, the clamping assembly further comprises a first slide rail and a first slide block, the first slide rail is arranged at the other end of the movable positioning seat, the first slide block is arranged at the bottom of the clamping baffle, and the first slide block is connected with the first slide rail in a sliding manner; the adjusting component further comprises a second sliding rail and a second sliding block, the second sliding rail is arranged at the other end of the base, the second sliding block is arranged at the bottom of the movable positioning seat, and the second sliding block is connected with the second sliding rail in a sliding mode. The first slide rail and the first slide block are used for guiding the relative movement between the movable positioning seat and the clamping baffle. And the second sliding rail and the second sliding block are used for relative movement between the freezing base and the movable positioning seat.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (7)
1. The utility model provides a welding frock structure of heat exchanger shell, its characterized in that, includes base, benchmark fixing base, removes positioning seat, adjusting part, clamping component and welding position template, the benchmark fixing base is established the one end of base, it establishes to remove the positioning seat the other end of base, adjusting part establishes on the base, adjusting part is used for adjusting remove the positioning seat with distance between the benchmark fixing base, clamping component establishes on the removal positioning seat, be equipped with the location boss on the removal positioning seat, clamping component is used for driving location boss axial displacement, welding position template establishes the top of benchmark fixing base, a plurality of locating holes have been seted up on the welding position template.
2. The welding tool structure of the heat exchanger shell according to claim 1, wherein mounting brackets are arranged at two ends of the base, and two ends of the welding positioning template are detachably connected with the mounting brackets respectively.
3. The welding tool structure of the heat exchanger shell according to claim 1, wherein the clamping assembly includes a clamping fixing seat, a clamping cylinder and a clamping baffle, the clamping fixing seat is disposed at one end of the movable positioning seat, the clamping cylinder is disposed on the clamping fixing seat, a telescopic end of the clamping cylinder is connected with the clamping baffle, and the positioning boss is disposed on one side of the clamping baffle, which is close to the reference fixing seat.
4. The welding tool structure of the heat exchanger shell according to claim 3, wherein an elastic buffer is arranged between the positioning boss and the clamping baffle.
5. The welding tool structure of the heat exchanger shell according to claim 3, wherein the adjusting assembly comprises a translation driving motor and a lead screw assembly, the translation driving motor is arranged on one side of the base, a rotating shaft end of the translation driving motor is connected with an input end of the lead screw assembly, and the moving positioning seat is connected with an output end of the lead screw assembly.
6. The welding tool structure for the heat exchanger shell according to claim 1, further comprising a lifting support seat, wherein an arc-shaped support plate is arranged on the lifting support seat.
7. The welding tool structure of the heat exchanger shell according to claim 5, wherein the clamping assembly further comprises a first slide rail and a first slide block, the first slide rail is arranged at the other end of the movable positioning seat, the first slide block is arranged at the bottom of the clamping baffle, and the first slide block is connected with the first slide rail in a sliding manner; the adjusting component further comprises a second sliding rail and a second sliding block, the second sliding rail is arranged at the other end of the base, the second sliding block is arranged at the bottom of the movable positioning seat, and the second sliding block is connected with the second sliding rail in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222802036.4U CN218695474U (en) | 2022-10-24 | 2022-10-24 | Welding tool structure of heat exchanger shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222802036.4U CN218695474U (en) | 2022-10-24 | 2022-10-24 | Welding tool structure of heat exchanger shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218695474U true CN218695474U (en) | 2023-03-24 |
Family
ID=85588290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222802036.4U Active CN218695474U (en) | 2022-10-24 | 2022-10-24 | Welding tool structure of heat exchanger shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218695474U (en) |
-
2022
- 2022-10-24 CN CN202222802036.4U patent/CN218695474U/en active Active
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