CN212977231U - Fixing clamp for welding heat exchanger - Google Patents
Fixing clamp for welding heat exchanger Download PDFInfo
- Publication number
- CN212977231U CN212977231U CN202020262061.6U CN202020262061U CN212977231U CN 212977231 U CN212977231 U CN 212977231U CN 202020262061 U CN202020262061 U CN 202020262061U CN 212977231 U CN212977231 U CN 212977231U
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- CN
- China
- Prior art keywords
- heat exchanger
- vertical plate
- limiting vertical
- supporting arm
- fixing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a fixing clamp for welding a heat exchanger, which comprises a bottom plate, a positioning block for fixing a heat exchanger body and a supporting arm for fixing a special-shaped pipe; the positioning block comprises a left limiting vertical plate and a right limiting vertical plate which are transversely and oppositely arranged, and the inner side surfaces of the longitudinal front ends of the left limiting vertical plate and the right limiting vertical plate are respectively and fixedly provided with a left longitudinal baffle and a right longitudinal baffle; the top end of the supporting arm is fixedly provided with an elastic clamping piece which is used for half-wrapping an excircle of the middle section of the special pipe, and the section of the elastic clamping piece is an arc section; through setting up support arm and elasticity clamping piece, can carry out space orientation to two vertical coaxial mechanical tubes of tail end, the cooperation is used for the locating piece of fixed heat exchanger body, can carry out welded fastening to heat exchanger and mechanical tube to simple structure, convenient operation, low cost.
Description
Technical Field
The utility model relates to a welding frock field, concretely relates to heat exchanger is mounting fixture for welding.
Background
A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied; the inlet and the outlet of the heat exchanger are generally respectively welded with a fixed communicating metal pipe, and for the space bent Z-shaped special pipe, especially when the tail ends of two special pipes needing to be welded are on the same vertical line, a specific tool fixture is lacked for fixing in the prior art, so that the processing is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a mounting fixture is used in heat exchanger welding, can carry out welded fastening to heat exchanger and mechanical tubes to simple structure, convenient operation, low cost.
The utility model discloses a fixing clamp for welding a heat exchanger, which comprises a bottom plate, a positioning block for fixing a heat exchanger body and a supporting arm for fixing a special-shaped pipe; the positioning block comprises a left limiting vertical plate and a right limiting vertical plate which are transversely and oppositely arranged, and the inner side surfaces of the longitudinal front ends of the left limiting vertical plate and the right limiting vertical plate are respectively and fixedly provided with a left longitudinal baffle and a right longitudinal baffle; the top end of the supporting arm is fixedly provided with an elastic clamping piece used for being wrapped in a half mode on the excircle of the middle section of the special pipe, and the section of the elastic clamping piece is an optimal arc section.
Furthermore, the middle support arm comprises a first middle support arm and a second middle support arm, the first middle support arm and the second middle support arm respectively comprise a middle upright rod and a middle upright block fixed at the top end of the middle upright rod, and the top surface of the middle upright block is sunken to form a semi-circular arc groove matched with the excircle of the middle pipe section in a form-fitting manner; the elastic clamping piece is fixedly sleeved in the semi-arc groove.
Further, still include the pressure cylinder that is used for compressing tightly fixed heat exchanger body.
Further, the outer side wall of the right limiting vertical plate is fixedly provided with a cylinder mounting vertical plate, the cylinder body of the pressing cylinder is fixed at the top end of the cylinder mounting vertical plate in a mode of inclining downwards from outside to inside along the transverse direction, and the piston rod of the pressing cylinder obliquely downwards presses the upper right corner of the heat exchanger body from the side face.
Further, a rubber pad is fixedly arranged at the front end of the piston rod of the pressing cylinder; the inclination angle of the pressing cylinder is 45 degrees.
The utility model has the advantages that: the utility model discloses a mounting fixture is used in heat exchanger welding through setting up support arm and elasticity clamping piece, can carry out space orientation to two vertical coaxial mechanical tubes of tail end, and the cooperation is used for the locating piece of fixed heat exchanger body, can carry out welded fastening to heat exchanger and mechanical tube to simple structure, convenient operation, low cost.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention during operation;
fig. 3 is another schematic structural diagram of the present invention during operation.
Detailed Description
Fig. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic structural view of the present invention during operation; fig. 3 is another schematic structural diagram of the present invention during operation, and as shown in the figure, the fixing fixture for welding a heat exchanger in the present embodiment includes a bottom plate 1, a positioning block for fixing a heat exchanger body 2, and a supporting arm for fixing a special pipe 3; the positioning block comprises a left limiting vertical plate 4 and a right limiting vertical plate 5 which are transversely and oppositely arranged, and the inner side surfaces of the longitudinal front ends of the left limiting vertical plate and the right limiting vertical plate are respectively and fixedly provided with a left longitudinal baffle 6 and a right longitudinal baffle 7; the top end of the supporting arm is fixedly provided with an elastic clamping piece 8 which is used for half-wrapping the excircle of the middle section of the special pipe, and the section of the elastic clamping piece is an arc section; the elastic clamping pieces can be copper sheets with good elasticity, the two supporting arms and the two elastic clamping pieces are respectively combined into two groups, the heat exchanger body 2 is square, the top surface of the heat exchanger body 2 is provided with an inlet and an outlet, the left and right directions of an operator are transversely shown, and the front and back directions are longitudinally shown, when the heat exchanger is operated, a worker pushes the heat exchanger body 2 to the position between the left limiting vertical plate and the right limiting vertical plate from back to front and clings to the left longitudinal baffle and the right longitudinal baffle, then two special-shaped pipes are sequentially placed, the front ports of the two special-shaped pipes respectively correspond to the inlet and the outlet of the heat exchanger body 2, and finally the inlet and the outlet of the heat exchanger body 2 are welded and fixed with the; through setting up support arm and elasticity clamping piece, can carry out space orientation to two vertical coaxial mechanical tubes of tail end, the cooperation is used for fixed heat exchanger body 2's locating piece, can carry out welded fastening to heat exchanger and mechanical tube to simple structure, convenient operation, low cost.
In this embodiment, the intermediate support arm includes a first intermediate support arm and a second intermediate support arm, each of the first intermediate support arm and the second intermediate support arm includes an intermediate upright rod 9 and an intermediate upright block 10 fixed to the top end of the intermediate upright rod, and the top surface of the intermediate upright block is recessed to form a semi-circular arc groove in form-fit with the excircle of the intermediate pipe section; the elastic clamping piece is fixedly welded in the inner sleeve and is arranged in the semi-arc groove; the major arc central angle that the section of elasticity clamping piece corresponds is 270 and the radius is less than the excircle of mechanical tubes, and elasticity clamping piece length is greater than half circular arc groove length, does benefit to guarantee that the mechanical tubes centre gripping is stable, improves welding quality.
In the embodiment, the heat exchanger further comprises a pressing cylinder 11 for pressing and fixing the heat exchanger body 2; the outer side wall of the right limiting vertical plate is fixedly provided with a cylinder mounting vertical plate 12, the cylinder body of the pressing cylinder is fixed at the top end of the cylinder mounting vertical plate in a manner of inclining downwards from outside to inside along the transverse direction, and the piston rod of the pressing cylinder obliquely downwards pushes the upper right corner of the heat exchanger body 2 from the side surface; the heat exchanger body 2 is pressed and fixed through the inclined pressing air cylinder, so that an unstable gap between the left limiting vertical plate and the right limiting vertical plate of the heat exchanger body 2 is avoided, a fixing error after the top of the heat exchanger enters and exits is caused, the heat exchanger body 2 is enabled to transversely press the left limiting vertical plate, the positioning precision is high, the fixing is firm, and the welding quality is prevented from being influenced after shaking; the cylinder body of the pressing cylinder 11 penetrates through the cylinder mounting vertical plate and is fixed by welding.
In the embodiment, a rubber pad is fixedly arranged at the front end of the piston rod of the pressing cylinder; the inclination that compresses tightly the cylinder is 45, and the rubber pad is the cylinder, does benefit to protection heat exchanger body 2, and the inclination that compresses tightly the cylinder is 45 for the packing force direction that compresses tightly the cylinder also is 45, and heat exchanger body 2 is the square, and the compressive strength of its diagonal is big, does benefit to protection heat exchanger body 2.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (4)
1. The utility model provides a mounting fixture is used in heat exchanger welding which characterized in that: the heat exchanger comprises a bottom plate, a positioning block for fixing a heat exchanger body and a supporting arm for fixing a special pipe; the positioning block comprises a left limiting vertical plate and a right limiting vertical plate which are transversely and oppositely arranged, and the inner side surfaces of the longitudinal front ends of the left limiting vertical plate and the right limiting vertical plate are respectively and fixedly provided with a left longitudinal baffle and a right longitudinal baffle; the top end of the supporting arm is fixedly provided with an elastic clamping piece which is used for half-wrapping an excircle of the middle section of the special pipe, and the section of the elastic clamping piece is an arc section; the supporting arms comprise a first middle supporting arm and a second middle supporting arm, the first middle supporting arm and the second middle supporting arm respectively comprise a middle upright rod and a middle upright block fixed at the top end of the middle upright rod, and the top surface of the middle upright block is sunken to form a semi-circular groove matched with the excircle of the middle pipe section in a form-fitting manner; the elastic clamping piece is fixedly sleeved in the semi-arc groove.
2. The fixing clamp for welding the heat exchanger according to claim 1, wherein: still including being used for compressing tightly the cylinder that compresses tightly fixed heat exchanger body.
3. The fixing clamp for welding the heat exchanger according to claim 2, wherein: the outer side wall of the right limiting vertical plate is fixedly provided with a cylinder mounting vertical plate, the cylinder body of the pressing cylinder is fixed at the top end of the cylinder mounting vertical plate in a mode of inclining downwards from outside to inside along the transverse direction, and the piston rod of the pressing cylinder obliquely downwards pushes the upper right corner of the heat exchanger body from the side face.
4. The fixing jig for welding of a heat exchanger according to claim 3, characterized in that: a rubber pad is fixedly arranged at the front end of a piston rod of the pressing cylinder; the inclination angle of the pressing cylinder is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262061.6U CN212977231U (en) | 2020-03-05 | 2020-03-05 | Fixing clamp for welding heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262061.6U CN212977231U (en) | 2020-03-05 | 2020-03-05 | Fixing clamp for welding heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212977231U true CN212977231U (en) | 2021-04-16 |
Family
ID=75397441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020262061.6U Expired - Fee Related CN212977231U (en) | 2020-03-05 | 2020-03-05 | Fixing clamp for welding heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212977231U (en) |
-
2020
- 2020-03-05 CN CN202020262061.6U patent/CN212977231U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |