CN104084707B - A kind of brass knockout welding tooling for finned heat exchanger - Google Patents
A kind of brass knockout welding tooling for finned heat exchanger Download PDFInfo
- Publication number
- CN104084707B CN104084707B CN201410305015.9A CN201410305015A CN104084707B CN 104084707 B CN104084707 B CN 104084707B CN 201410305015 A CN201410305015 A CN 201410305015A CN 104084707 B CN104084707 B CN 104084707B
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- CN
- China
- Prior art keywords
- knockout
- brass
- fixed axis
- double link
- arm mechanism
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/006—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
Abstract
The present invention relates to a kind of brass knockout welding tooling for finned heat exchanger, comprise workbench, high-frequency induction welder, fixed axis, double link whirling arm mechanism and pallet body, described high-frequency induction welder is placed on the table, and described fixed axis is vertically arranged on the side of workbench; One end of described double link whirling arm mechanism is rotationally connected by matched in clearance and fixed axis, the other end is for installing brass knockout to be welded, the position of described double link whirling arm mechanism is upper and lower adjustable on fixed axis, described pallet body is arranged on fixed axis by matched in clearance, described pallet body is positioned at the below of double link whirling arm mechanism, and the position of pallet body is upper and lower adjustable on fixed axis, solve existing welding manner owing to being human weld, welding quality cannot be guaranteed, thus causes the problem of heat exchanger heat transfer effect difference.
Description
Technical field
The present invention relates to finned heat exchanger, specifically a kind of brass knockout welding tooling for finned heat exchanger.
Background technology
Finned heat exchanger is that it is made up of fin, tube bundle, side plate, knockout, collector and capillary in refrigeration systems by the parts making refrigerant liquid vaporize that absorb heat.Fin is inserted in tube bundle by a pitch of fins for regulation, by expand tube method, tube bundle is combined closely.Knockout carries the vital task to cold-producing medium distributed uniform on finned heat exchanger.If distribute uneven, some pipeline cold-producing mediums can be made too much to cause frosting, cause evaporation not exclusively, band liquid flows out evaporimeter, the mistake that cold-producing medium divides can not make full use of evaporator heat exchange area at least, and the self-control affecting restricting element judges, aggregate performance is that refrigerating capacity declines, absorbing gas belt liquid may be caused, directly affect the heat transfer effect of heat exchanger.
Therefore, in the manufacture process of finned heat exchanger, very important during welding to knockout, the quality of knockout welding quality has a significant impact for the heat transfer effect of finned heat exchanger.When carrying out the installation of knockout, the pressure drop of each shunt of knockout should be as far as possible identical, in order to avoid affect the separatory effect of knockout, what each referred to brass knockout along separate routes exports to separating tube, arrive evaporimeter again, until evaporator outlet, in addition, the spacing of knockout and expansion valve is short as far as possible, directly knockout can be welded on the outlet of expansion valve.
Current industry inherence produces in the process of finned heat exchanger, the welding of brass knockout generally adopts the mode of human weld, the mode of human weld is adopted to weld with the assembly such as separating tube, expansion valve knockout by welder, its welding quality is held by welder completely, there is larger uncertain factor, affect welding quality, cause the heat transfer effect of heat exchanger poor, have a strong impact on performance of refrigerant systems and reliability.
Summary of the invention
The object of this invention is to provide a kind of brass knockout welding tooling for finned heat exchanger, this welding tooling is welded brass knockout by high-frequency induction welder, welding quality is ensured by the welding parameter adjusted and control high-frequency induction welder, without the need to manual work, enhance productivity and welding quality, in order to solve existing welding manner owing to being human weld, welding quality cannot be guaranteed, thus causes the problem of heat exchanger heat transfer effect difference.
For achieving the above object, the solution of the present invention is: a kind of brass knockout welding tooling for finned heat exchanger, comprise workbench, high-frequency induction welder, fixed axis, double link whirling arm mechanism and pallet body, described high-frequency induction welder is placed on the table, and described fixed axis is vertically arranged on the side of workbench;
Described double link whirling arm mechanism comprises first connecting rod and second connecting rod, one end of described first connecting rod and one end of second connecting rod are rotationally connected, the other end of described first connecting rod is rotationally connected by matched in clearance and fixed axis, the other end of described second connecting rod is for installing brass knockout to be welded, the position of described double link whirling arm mechanism is upper and lower adjustable on fixed axis, by the position of adjustment double link whirling arm mechanism, brass knockout to be welded is made to need the position of welding to aim at high-frequency induction welder;
Described pallet body is arranged on fixed axis by matched in clearance, described pallet body is positioned at the below of double link whirling arm mechanism, and the position of pallet body is upper and lower adjustable on fixed axis, described pallet body is used for, when welding the tail accessory of brass knockout, being upside down on pallet body by brass knockout.
According to welding tooling of the present invention, comprise the retainer ring for being fixed the described position of double link whirling arm mechanism on fixed axis, described retainer ring is connected with fixed axis by matched in clearance, described retainer ring is provided with trip bolt, after double link whirling arm mechanism is adjusted to the right place, tighten trip bolt with the upper-lower position of fixing double link whirling arm mechanism.
According to welding tooling of the present invention, this welding tooling comprises knockout clamping mechanism, brass knockout to be welded is arranged on the double link whirling arm mechanism seat of honour by described knockout clamping mechanism, and brass knockout to be welded is placed on the boss at the top of described knockout.
According to welding tooling of the present invention, described knockout clamping mechanism is provided with protection valve, for protective gas being sent to brass knockout inner chamber by described protection valve in welding process, anti-oxidation.
According to welding tooling of the present invention, described knockout clamping mechanism is provided with cooling water nozzle, for cooling water being transported to by described cooling water nozzle the top boss of knockout clamping mechanism in welding process, after avoiding the too high expansion of top boss temperature, brass knockout can not normally be placed.
According to welding tooling of the present invention, pinned connection is passed through in one end of described first connecting rod and one end of second connecting rod.
According to welding tooling of the present invention, described fixed axis is positioned at the below of table surface.
The beneficial effect that the present invention reaches: (1) welding tooling of the present invention is provided with high-frequency induction welder, by high-frequency induction welder, brass knockout is welded, and ensure welding quality by the welding parameter adjusting high-frequency welding, without the need to manual work, greatly save labour, improve production efficiency, avoid the problem of the poor welding quality that human weld causes.
(2) for the brass knockout of different size, only need the position being adjusted brass knockout to be welded by double link whirling arm mechanism, and can welding quality be ensured by the welding parameter adjusted and control high-frequency induction welder, without the need to changing welding tooling for each size, the brass knockout being applicable to each size welds, and greatly reduces production cost.
(3) the present invention is provided with protection valve and cooling water nozzle, the present invention is when welding, protective gas enters knockout clamping mechanism by protection valve, and be passed into brass knockout inner chamber, cooling water enters knockout clamping mechanism by cooling water nozzle, can cool knockout clamping mechanism, the too high expansion of clamping mechanism temperature is avoided to cause brass knockout cannot normally place in welding process, the internal oxidation and produce oxide skin when welding of brass knockout can be avoided again, avoid and cause because of oxide skin the problem that internal system cleannes are inadequate, improve welding quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of welding tooling of the present invention;
Fig. 2 is the top view of welding tooling of the present invention;
Fig. 3 is the side view of welding tooling of the present invention;
Fig. 4 is the schematic diagram of the present invention when welding brass knockout tail accessory;
Fig. 5 is the structural representation of double link whirling arm mechanism of the present invention;
Fig. 6 is the structural representation of knockout clamping mechanism of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
The brass knockout welding tooling that the present invention is used for finned heat exchanger comprises workbench, high-frequency induction welder, fixed axis, double link whirling arm mechanism and pallet body, described high-frequency induction welder is placed on the table, and described fixed axis is vertically arranged on the side of workbench.Described double link whirling arm mechanism comprises first connecting rod and second connecting rod, one end of described first connecting rod and one end of second connecting rod are rotationally connected, the other end of described first connecting rod is rotationally connected by matched in clearance and fixed axis, the other end of described second connecting rod is for installing brass knockout to be welded, the position of described double link whirling arm mechanism is upper and lower adjustable on fixed axis, by the position of adjustment double link whirling arm mechanism, brass knockout to be welded is made to need the position of welding to aim at the soldering tip of high-frequency welding.Described pallet body is arranged on fixed axis, is positioned at the below of double link whirling arm mechanism, and the position of pallet body is upper and lower adjustable on fixed axis, described pallet body is used for, when welding the tail accessory of brass knockout, being upside down on pallet body by brass knockout.Introduce the specific embodiment of welding tooling of the present invention below in detail:
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment comprises workbench 1, high-frequency induction welder 2, double link whirling arm mechanism 3, knockout clamping mechanism 4, fixed axis 5 and pallet body 6 for the brass knockout welding tooling of finned heat exchanger.
High-frequency induction welder 2 is placed on workbench 1, for welding brass knockout, and is ensured the welding quality of different size brass knockout by the welding parameter adjusting high-frequency induction welder.Fixed axis 5 is vertically arranged on the side of workbench 1, be positioned at the below of workbench 1 table top, double link whirling arm mechanism 3 is arranged on fixed axis 5 by matched in clearance, one end and the fixed axis 5 of double link whirling arm mechanism 3 are rotationally connected, the other end installs knockout clamping mechanism 4, knockout clamping mechanism 4 is placed brass knockout to be welded, and the position of double link whirling arm mechanism 3 on fixed axis 5 on, lower adjustable, by adjustment double link whirling arm mechanism 3, brass knockout to be welded is made to need the position of welding to aim at the heating collar of high-frequency induction welder 2, so that high-frequency induction welder 2 carries out weld job.
Pallet body 6 is arranged on fixed axis 5 by matched in clearance, is positioned at the below of double link whirling arm mechanism 3, and pallet body 6 and fixed axis 5 are rotationally connected, and the position of pallet body 6 is upper and lower adjustable.As Fig. 4, when welding the tail accessory of brass knockout, double link whirling arm mechanism 3 is forwarded on one side, and by the brass knockout upside down of welding on pallet body 6, the position of adjustment pallet body 6, position to be welded is aimed at the heating collar of high-frequency induction welder, the tail accessory of brass knockout is welded.
As shown in Figure 5, double link whirling arm mechanism 3 comprises first connecting rod 7, second connecting rod 8, bearing pin 9 and retainer ring 10, one end of first connecting rod and one end of second connecting rod are rotationally connected by bearing pin 9, the other end of first connecting rod 7 is provided with the through hole coordinated with fixed axis 5, first connecting rod 7 is by this through hole and be rotationally connected by matched in clearance and fixed axis 5, the other end of second connecting rod 8 is for installing knockout clamping mechanism, and the position of first connecting rod 7 on fixed axis 5 is upper and lower adjustable.
Retainer ring 10 is a circulus, for being fixed the position of double link whirling arm mechanism, retainer ring 10 is sleeved on fixed axis 5 by matched in clearance, and position on fixed axis 5 is upper and lower adjustable, one side of retainer ring 10 is provided with trip bolt, when behind the position of adjusting double link whirling arm mechanism 3, retainer ring 10 is adjusted to the relevant position below first connecting rod 7 by fixed axis 5, and tighten trip bolt, the upper and lower position of double link whirling arm mechanism 3 on fixed axis 5 is fixed.During work, whole double link whirling arm mechanism can with fixed axis 5 for axle center rotates, and second connecting rod 8 rotates for axle center with bearing pin 9, realizes the adjustment of the position, front, rear, left and right to knockout clamping mechanism.
As shown in Figure 6, knockout clamping mechanism in the present embodiment comprises cooling bench 11, rotating shaft 12 and knockout seat 13 are installed, cooling bench 11, installation rotating shaft 12 and knockout seat 13 are loop configuration, knockout seat is located at the inner ring cavity of cooling bench, to coordinate with cooling bench by closely cooperating and install, the inner ring cavity that knockout seat is located in rotating shaft is installed, to be connected with knockout seat by closely cooperating, brass knockout 17 to be welded is placed on by matched in clearance on the boss at knockout seat top, the inner ring cavity of knockout seat is communicated with the inner ring cavity installing rotating shaft, the outer shroud cavity of cooling bench is communicated with the outer shroud cavity of knockout seat, cooling bench is provided with the cooling water nozzle for passing into cooling water to cooling bench outer shroud cavity, cooling water nozzle comprises and cools into cooling water nozzle 14 and cool out cooling water nozzle 15, cool into cooling water nozzle and cool out the both sides that cooling water nozzle is divided into cooling bench, and be communicated with the outer shroud cavity of cooling bench.The bottom of installation rotating shaft is provided with the protection valve 16 for being filled with protective gas to brass knockout inner chamber to be welded.
Protective gas uses flexible pipe to be filled with from protection valve, after knockout seat, enters knockout inner chamber, chamber air is discharged, reach the object preventing internal oxidation.Cooling water is input to cooling bench internal cavities by cooling water nozzle, cools knockout seat, thus after avoiding the too high expansion of top boss temperature, brass knockout can not normally be placed.
Welding tooling of the present invention is used to carry out the process of work as follows:
First brass knockout is placed on brass knockout clamping mechanism, the upper and lower position of brass knockout to be welded is adjusted by the height of adjustment double link whirling arm mechanism, adjusting the left and right position of knockout by rotating double link whirling arm mechanism, guaranteeing knockout thermally equivalent in high-frequency induction welder heating collar.
After adjusting position, according to the size of brass knockout to be welded, the heating power of high-frequency induction welder, insulation power and heat time is regulated to control firing rate and heat time respectively, time such as to 12 road Φ 6.35 knockout welding, when its heating power is set to 7kW, 10s will be set to weld interval.Then weld-ring and separating tube are placed on position brass knockout needing weld, start high-frequency induction welder and weld.
After separating tube has welded, start to weld brass knockout tail accessory, now, double link whirling arm mechanism is turned on one side, the knockout having welded separating tube is inverted and is placed on pallet body, start high-frequency induction welder and complete welding.
Welding tooling of the present invention is welded brass knockout by high-frequency induction welder, and ensure welding quality by the welding parameter adjusting high-frequency welding, without the need to manual work, greatly save labour, improve production efficiency, avoid the problem of the poor welding quality that human weld causes.And welding tooling of the present invention only needs the welding that can be realized different size brass knockout by adjustment welding parameter, greatly reduces production cost.
Claims (6)
1. the brass knockout welding tooling for finned heat exchanger, it is characterized in that: comprise workbench, high-frequency induction welder, fixed axis, double link whirling arm mechanism and pallet body, described high-frequency induction welder is placed on the table, and described fixed axis is vertically arranged on the side of workbench;
Described double link whirling arm mechanism comprises first connecting rod and second connecting rod, one end of described first connecting rod and one end of second connecting rod are rotationally connected, the other end of described first connecting rod is rotationally connected by matched in clearance and fixed axis, the other end of described second connecting rod is for installing brass knockout to be welded, the position of described double link whirling arm mechanism is upper and lower adjustable on fixed axis, by the position of adjustment double link whirling arm mechanism, brass knockout to be welded is made to need the position of welding to aim at high-frequency induction welder;
Described pallet body is arranged on fixed axis by matched in clearance, described pallet body is positioned at the below of double link whirling arm mechanism, and the position of pallet body is upper and lower adjustable on fixed axis, described pallet body is used for, when welding the tail accessory of brass knockout, being upside down on pallet body by brass knockout;
Described brass knockout welding tooling also comprises the retainer ring for being fixed the described position of double link whirling arm mechanism on fixed axis, described retainer ring is connected with fixed axis by matched in clearance, described retainer ring is provided with trip bolt, after double link whirling arm mechanism is adjusted to the right place, tighten trip bolt with the upper-lower position of fixing double link whirling arm mechanism.
2. the brass knockout welding tooling for finned heat exchanger according to claim 1, it is characterized in that this welding tooling comprises knockout clamping mechanism, brass knockout to be welded is arranged on double link whirling arm mechanism by described knockout clamping mechanism;
Described knockout clamping mechanism comprises cooling bench, rotating shaft and knockout seat are installed, cooling bench, installation rotating shaft and knockout seat are loop configuration, knockout seat is located at the inner ring cavity of cooling bench, to coordinate with cooling bench by closely cooperating and install, the inner ring cavity that knockout seat is located in rotating shaft is installed, to be connected with knockout seat by closely cooperating, the inner ring cavity of knockout seat is communicated with the inner ring cavity installing rotating shaft, the outer shroud cavity of cooling bench is communicated with the outer shroud cavity of knockout seat, brass knockout to be welded is placed on the boss at the top of described knockout seat.
3. the brass knockout welding tooling for finned heat exchanger according to claim 2; it is characterized in that described knockout clamping mechanism is provided with protection valve; for protective gas being sent to brass knockout inner chamber by described protection valve in welding process, anti-oxidation.
4. the brass knockout welding tooling for finned heat exchanger according to claim 2, it is characterized in that described knockout clamping mechanism is provided with cooling water nozzle, for cooling water being transported to by described cooling water nozzle the top boss of knockout clamping mechanism in welding process, after avoiding the too high expansion of top boss temperature, brass knockout can not normally be placed.
5. the brass knockout welding tooling for finned heat exchanger according to claim 1, is characterized in that pinned connection is passed through in one end of described first connecting rod and one end of second connecting rod.
6. the brass knockout welding tooling for finned heat exchanger according to claim 1, is characterized in that described fixed axis is positioned at the below of table surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410305015.9A CN104084707B (en) | 2014-06-27 | 2014-06-27 | A kind of brass knockout welding tooling for finned heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410305015.9A CN104084707B (en) | 2014-06-27 | 2014-06-27 | A kind of brass knockout welding tooling for finned heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104084707A CN104084707A (en) | 2014-10-08 |
| CN104084707B true CN104084707B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410305015.9A Active CN104084707B (en) | 2014-06-27 | 2014-06-27 | A kind of brass knockout welding tooling for finned heat exchanger |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114147395B (en) * | 2021-12-20 | 2024-03-01 | 合肥锦利丰机械有限公司 | Brass knockout welding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614832Y (en) * | 2003-02-13 | 2004-05-12 | 上海泖峰汽车塑料件厂 | High-frequency welding apparatus |
| CN201147868Y (en) * | 2007-12-24 | 2008-11-12 | 孙德亮 | High-frequency welding machine for radiator header pipe end |
| CN203636196U (en) * | 2013-12-25 | 2014-06-11 | 成都邦普合金材料有限公司 | High-frequency welding device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000225474A (en) * | 1999-02-04 | 2000-08-15 | Daido Steel Co Ltd | High frequency induction heating method and apparatus therefor |
| JP3391732B2 (en) * | 1999-05-27 | 2003-03-31 | 日本電気株式会社 | High frequency brazing equipment |
| KR101025960B1 (en) * | 2005-06-17 | 2011-03-30 | 가부시키가이샤 나카타 세이사쿠쇼 | Device and method for controlling welding angle |
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2014
- 2014-06-27 CN CN201410305015.9A patent/CN104084707B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614832Y (en) * | 2003-02-13 | 2004-05-12 | 上海泖峰汽车塑料件厂 | High-frequency welding apparatus |
| CN201147868Y (en) * | 2007-12-24 | 2008-11-12 | 孙德亮 | High-frequency welding machine for radiator header pipe end |
| CN203636196U (en) * | 2013-12-25 | 2014-06-11 | 成都邦普合金材料有限公司 | High-frequency welding device |
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Address after: 221600 Jiangsu city of Nantong Province, Nantong Development Zone, Road No. 1692 building 20 Patentee after: Jiangsu Tianshu electrical Limited by Share Ltd Address before: 221600 Jiangsu city of Nantong Province, Nantong Development Zone, Road No. 1692 building 20 Patentee before: Jiangsu Tianshu Electrical Appliance Co., Ltd. |