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WO2016061909A2 - 一种用于采暖散热器的不锈钢构件及其制造方法 - Google Patents

一种用于采暖散热器的不锈钢构件及其制造方法 Download PDF

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Publication number
WO2016061909A2
WO2016061909A2 PCT/CN2015/000805 CN2015000805W WO2016061909A2 WO 2016061909 A2 WO2016061909 A2 WO 2016061909A2 CN 2015000805 W CN2015000805 W CN 2015000805W WO 2016061909 A2 WO2016061909 A2 WO 2016061909A2
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Prior art keywords
stainless steel
annular
flange
strip
transverse communication
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PCT/CN2015/000805
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English (en)
French (fr)
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WO2016061909A3 (zh
Inventor
孙有福
张泗永
孙淑慧
陆郝凌
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Zaozhuang Fuyuan Environmental Protection & Energy Saving Machinery Manufacturing Co Ltd
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Zaozhuang Fuyuan Environmental Protection & Energy Saving Machinery Manufacturing Co Ltd
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Publication of WO2016061909A2 publication Critical patent/WO2016061909A2/zh
Publication of WO2016061909A3 publication Critical patent/WO2016061909A3/zh
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Definitions

  • the invention belongs to the technical field of radiators, and in particular relates to a stainless steel component for heating radiators and a manufacturing method thereof. Background technique
  • a common composite heat sink member includes two upper and lower horizontal communicating tubes and a plurality of parallel vertical standings. Tubes, two ends of each vertical riser are respectively connected with two transverse communication pipes, and a joint seat is arranged at an end of the transverse communication pipe.
  • the main component of the above composite heat sink may be made of a stainless steel material.
  • the transverse communication pipe is provided with an outwardly convex annular flange, and the vertical riser is inserted and welded to the transverse communication pipe. Outside the circular flange, or the vertical riser is inserted and welded in the annular flange of the transverse communication pipe.
  • the weld is on the outer surface, affecting the beauty of the stainless steel, when the welding temperature is unstable Especially for thin-walled stainless steel materials, it is easy to produce welding or breakdown, and the heat-conducting medium will penetrate into the gap between the annular flange of the communication pipe and the vertical riser, which may cause erosion of the weld;
  • the lateral communication pipe is provided with an annular flange which is inward or outwardly convex, and the vertical riser and the annular flange of the transverse communication pipe are coupled or press-fitted by threads, in order to ensure the ring-turning
  • it is necessary to increase the thickness of the stainless steel material used in the transverse communication pipe thereby increasing the material cost and product weight, while the threaded joint sealing performance is poor. Prone to leaks.
  • An object of the present invention is to provide an improved stainless steel member for a heating radiator and a method of manufacturing the same, in view of the above-described deficiencies of the prior art.
  • the present invention is implemented as follows:
  • the utility model relates to a stainless steel component for heating radiator, which comprises two upper and lower transverse communication pipes, and further comprises a plurality of vertical vertical pipes arranged in parallel, the two ends of each vertical riser are respectively connected with the upper and lower transverse communication pipes.
  • the lateral communication tube is provided with an inwardly projecting annular flange, and a joint seat is disposed at an end of the lateral communication tube, wherein the through coupling is a circular insertion of the vertical riser into the lateral communication tube.
  • the annular flange of the transverse communication pipe is closely fitted with the pipe wall of the vertical riser, and the end surface of the vertical riser is flush with the end face of the annular flange of the transverse communication pipe, and the annular weld is formed by the end face welding.
  • the vertical riser is made of a stainless steel thin-walled tube which is crimped into a closed cross-sectional shape by a strip-shaped stainless steel sheet and welded along the length direction of the transverse communication tube, the strip for making a transverse communication tube a stainless steel sheet having a pair of outwardly convex strip-shaped cuffs in a lengthwise direction at a closed portion that is crimped into a closed cross-sectional shape, the pair of strip-shaped cuffs having no gap therebetween, the upper end faces being flush, and the strip-shaped cuffs The upper end face is welded into a strip weld.
  • the closed cross-sectional shape of the transverse communication tube is circular, or semi-circular, or elliptical, or triangular, or square, or trapezoidal.
  • the inwardly projecting annular flange of the transverse communication tube is a circular flange or an elliptical annular flange, the cross-sectional shape of the vertical riser and the shape of the annular flange of the laterally communicating tube inwardly convex Corresponding.
  • the end of the transverse communication pipe is provided with a joint seat through an annular coupling plate, and the annular coupling plate made of a stainless steel thin plate is processed with the same inner flange and the outer flange, and the end of the joint with the internal thread is processed by the stainless steel pipe.
  • the outer wall of the joint seat closely fits the inner flange of the annular coupling disc, the end surface of the joint seat is flush with the inner flange end surface of the annular coupling disc, and the inner annular weld seam is formed by the end surface welding; the annular joint
  • the disk is inserted into the port of the transverse communication pipe, the outer flange of the annular coupling plate is closely fitted with the port of the transverse communication pipe, the end surface of the transverse communication pipe is flush with the outer flange end surface of the annular coupling plate, and the outer ring welding is formed by the end face welding. Seam.
  • the height of the annular flange and the strip flange of the transverse communication tube is any size between 1 and 5 mm.
  • the inner flange and the outer flange of the annular coupling disc have a height of between 1 and 5 mm.
  • a method for manufacturing a stainless steel member for the above heating radiator includes the following process steps:
  • First step The stainless steel strip for the length of the transverse communication tube is placed in the mold and punched into a shape having strip-shaped cuffs on both sides in the longitudinal direction.
  • the second step the profile processed in the previous step is punched in the middle along the length direction, so that the lower end thereof forms a U shape, or the shape of the upper end opening of the mouth.
  • the third step the profile processed in the second step is punched and stretched along the longitudinal direction on the middle line of the bottom surface to form an inwardly convex annular flange which cooperates with the end of the vertical riser.
  • the fourth step punching both ends of the stainless steel tube for making the vertical riser, so that the shape of the end face is adapted to the shape of the inwardly convex annular flanged end face of the transverse communication tube.
  • Step 5 Insert the two ends of each vertical riser into the inwardly convex annular flanges of the upper and lower transverse communication pipe profiles, and the inwardly projecting annular flanges are tightly connected to the vertical riser pipe wall. Fitted, the end face of the vertical riser is flush with the end face of the annular flange of the transverse communication pipe profile, and the annular weld is formed by the end face welding.
  • the sixth step placing the inner core shaft having the set cross-sectional shape along the longitudinal direction of the transverse communication tube into the position belonging to the bottom of the transverse communication tube after completing the fifth step, and the two outer clamps having the set cross-sectional shape
  • the clamping is relatively moved under the action of the pressure strut, so that the two sides of the profile belonging to the transverse communicating pipe are squeezed and closed, the two strip-shaped flanges are kneaded tightly, the end faces are flush, and the strip-shaped weld seam is formed by the end face welding.
  • Step 7 The outer clamp retracts with the pressure strut and withdraws the inner mandrel.
  • the eighth step the annular coupling plate is made of stainless steel plate and the joint seat with internal thread is processed by stainless steel pipe, and the annular coupling plate and the joint seat are respectively welded at the end of the transverse communication pipe.
  • the stainless steel member for heating radiator of the present invention only changes the manner of plugging and welding without adding parts and changing the structure, and inserts the vertical riser into the ring of the appropriate height which is inwardly convexly inserted into the transverse communicating tube.
  • the annular flange of the transverse communication pipe is closely fitted with the pipe wall of the vertical riser, and the end surface of the vertical riser is flush with the end face of the annular flange of the transverse communication pipe, and the annular weld is formed by the end face welding.
  • the built-in weld seam is not exposed, and the gap between the annular flange of the joint pipe and the vertical riser is eliminated; the welded portion of the end face of the transverse flange and the end face of the vertical riser is suitable.
  • the transverse communication tube in the present invention is formed by crimping a stainless steel strip into a closed cross-sectional shape and welding along the length direction of the transverse communicating tube, and the stainless steel strip forming the transverse communicating tube has a pair of outward convex portions at the closed portion curled into a closed cross-sectional shape.
  • Strip-shaped flange, no gap between the two strip-shaped flanges, the upper end surface is flush, with appropriate height, welded along the upper end surface of the strip-shaped flange, forming a strip-shaped weld
  • the welding part is suitable for automatic welding It is instantly melted at high temperature without welding wire, the fusion is reliable and does not leak, and the weld seam is neat and uniform, especially suitable for thin-walled materials.
  • the end of the transverse communication tube is provided with a joint seat by means of an annular coupling disc, using the same welded construction and method, and is particularly suitable for thin wall materials.
  • the cross-sectional shape of the transverse communication tube has various options, the structure is simple, the processing is easy to manufacture, the shape is diverse, and the different aesthetic requirements are adapted.
  • the manufacturing method of the stainless steel member for heating radiator of the present invention is formulated according to the characteristics of the product structure, wherein the first, second and third steps are the formation of the transverse communicating pipe profile, and the fourth step is the formation of the vertical vertical pipe.
  • the above two aspects of the process can also be carried out simultaneously, laying the foundation for the next assembly welding.
  • the fifth and sixth steps are technically important, and must be followed in order to achieve the first (ring) Automatic welding is carried out after the weld (stripe weld).
  • Ben The design method of the manufacturing method is reasonable, the number of equipments and molds used is small, and the effect is reliable; the order of the manufacturing method is reasonable, which is beneficial to the automatic welding inside and outside, thereby ensuring the quality of the weld.
  • the manufacturing method of the invention completely satisfies the manufacturing requirements of the product structure, and can not only ensure the product quality, but also is suitable for mass production.
  • the composite heat sink is produced by using the stainless steel member of the present invention, it is only necessary to closely fit the heat dissipating fins on the vertical riser between the fourth step and the fifth step of the process step, when heat is dissipated
  • the assembly of the composite heat sink can be completed by assembling the heat dissipation fins on the vertical riser after all the process steps are completed, and the process adjustment is very convenient.
  • the performance of the thin-walled stainless steel material can be fully utilized, and a composite heat sink of various forms and materials can be provided for the market, and the present invention can also be directly used as a heat sink product.
  • the radiator product produced by the technology of the invention has reliable service life, beautiful appearance, light weight, material and labor cost saving, is suitable for mass production, and has good market prospect.
  • FIG. 1 is a schematic view showing the structure of a stainless steel aluminum composite heat sink assembled by using the stainless steel member of the present invention.
  • Figure 2 is a cross-sectional view showing the welded structure of the vertical riser and the transverse communication pipe in the present invention.
  • Figure 3 is a cross-sectional view showing the structure in which the transverse communication pipe and the vertical riser are coupled together in the present invention.
  • Figure 4 is a partial structural view showing the connection of the transverse communication pipe and the joint seat in the present invention.
  • Figure 5 is a schematic view showing the structure of the end face formed by the transverse communication tube after the first process step in the present invention.
  • Figure 6 is a schematic view showing the structure of the end face formed by the transverse communication pipe after the second process step in the present invention.
  • Figure 7 is a schematic view showing the comparison of the process steps of the sixth step in the present invention.
  • a stainless steel member for a heating radiator includes two horizontally communicating tubes 1 and 2 having the same upper and lower sides, and a plurality of vertical risers arranged in parallel. 4, the two ends of each vertical riser 4 are respectively connected with the upper and lower transverse communication pipes 1 and 2, and the horizontal communication pipe is provided with a circular annular flange 3 which is convexly inward, and the annular flange 3 has appropriate the height of.
  • the through coupling is that the vertical riser 4 is inserted into the annular flange 3 which is inwardly convex of the transverse communication pipe, and the annular flange 3 of the transverse communication pipe closely fits the pipe wall of the vertical riser 4, and the vertical riser The end face of 4 is flush with the end face of the annular flange 3 of the transverse communication pipe, and the annular weld is formed by the end face welding.
  • the vertical riser 4 adopts a circular stainless steel thin-walled pipe in this embodiment.
  • the transverse communication pipes 1 and 2 have the same structural shape, and are rolled by a stainless steel strip into a closed cross-sectional shape and welded along the length of the transverse communication pipe, wherein the stainless steel strip is strip stainless steel
  • the closed cross-sectional shape of the thin plate and the transverse communication tube may be circular, or semi-circular, or elliptical, or triangular, or square, or trapezoidal, and the embodiment adopts a circular shape.
  • a stainless steel strip for making a transverse communication tube when crimped in a lengthwise direction into a closed cross-sectional shape, has a pair of outwardly convex strip-shaped cuffs 7 having an appropriate height at the closure, which does not leave between the strip-shaped cuffs 7
  • the gap, the upper end surface is level-flat, and is welded along the upper end surface of the strip-shaped flange 7, and the formed weld is a strip-shaped weld.
  • the inwardly projecting annular flange 3 of the transverse communication tube may also be an elliptical annular flange, in which case the cross-sectional shape of the vertical riser 4 corresponding thereto is also elliptical.
  • the end portion of the transverse communication pipe is provided with the joint seat 5 through the annular coupling plate 8, and the annular coupling plate 8 punched with the stainless steel thin plate is machined with the same inner flange 9 and the outer flange 10, with stainless steel tubing.
  • One end of the machined connector seat 5 is inserted into the inner flange 9 in the middle of the annular coupling plate, and the outer wall of the joint 5 is closely fitted with the inner flange 9 of the annular coupling plate, and the end face of the joint 5 and the inner ring of the annular coupling plate 9
  • the end faces are flush, and the inner annular weld is formed by end face welding;
  • the annular coupling plate 8 is inserted into the port of the transverse communication pipe 1 or 2
  • the outer flange 10 of the annular coupling plate is closely fitted with the port of the transverse communication pipe, and the lateral communication pipe is closely connected
  • the end face is flush with the end face of the everted edge 10 of the annular coupling disk, and the outer annular weld is formed by end face welding.
  • the annular flange 3 and the strip flange 7 of the transverse communication tube and the inner flange 9 and the outer flange 10 of the annular coupling disc have a height of any size between 1 and 5 mm, for example 3.5 mm.
  • the stainless steel plate of 2 mm or less is called a stainless steel thin plate, and the thickness of the stainless steel thin-walled pipe is also within 2 mm.
  • the thickness of the stainless steel material used in the present invention can be controlled within 1 mm, for example, 0.5 mm. It is required that the welded thin-walled stainless steel parts are closely fitted, the end faces are flush, have appropriate height, and are welded from the end faces. The welded parts are melted at a high temperature without welding wires, and the welded parts are melted into one body, the welds are uniform and uniform, and the fusion is reliable and does not leak. .
  • the annular weld seam and the strip weld seam in the invention are suitable for automatic welding, and the work efficiency is high, and the welding quality is guaranteed.
  • the first, second and third steps are the formation of the transverse joint pipe profile.
  • First step The stainless steel strip for the length of the transverse communication tube 1 or 2 is placed in a mold and punched into a shape having strip-shaped cuffs 7 on both sides in the longitudinal direction, and the end face shape is shown in Fig. 5.
  • the second step the profile processed in the previous step is punched in the middle along the length direction, so that the lower end forms a U
  • the shape of the word, or the shape of the opening at the upper end of the mouth, and the shape of the U-shaped end face are shown in Fig. 6.
  • the third step punching the profile processed in the second step along the longitudinal direction on the bottom line of the bottom surface to form an inwardly projecting annular flange 3 which cooperates with the end of the vertical riser 4, and its structural shape is as follows. figure 2.
  • the fourth step is the formation of a vertical riser.
  • the fifth and sixth steps are assembly welding.
  • the fifth step inserting the two ends of each vertical riser 4 into the inwardly projecting annular flange 3 of the upper and lower transverse communication pipe profiles, the inwardly projecting annular flange 3 and the vertical riser 4
  • the tube wall is closely fitted, and the end surface of the vertical riser 4 is flush with the end surface of the annular flange 3 of the transverse communication tube profile, and the endless weld is formed by the end face welding.
  • the section structure is shown in Figure 2.
  • the sixth step inserting the inner mandrel 12 having the set cross-sectional shape into the position of the bottom of the transverse communication pipe after completing the fifth step of the process in the longitudinal direction of the transverse communication pipe, and the two having the set cross-sectional shape
  • the clamps 14 and 15 are relatively moved and moved under the action of the pressure struts 11 and 13, so that the two sides of the profile belonging to the transverse communication pipe 2 are squeezed and closed, and the pair of strip-shaped flanges 7 are kneaded tightly, the end faces are flush, and the end faces are welded. A strip weld is formed. See Figure 2 and Figure 7.
  • the seventh step the outer jigs 14 and 15 are retracted with the pressure struts 11 and 13, and the inner mandrel 12 is withdrawn.
  • Figure 7 shows the structural section after completion.
  • the eighth step punching the annular coupling plate 8 with a stainless steel plate and machining the female threaded joint 5 with a stainless steel pipe, and welding the annular coupling plate 8 and the joint seat 5 at the ends of the transverse communication pipe, respectively.
  • the structure is shown in Figure 4.
  • the finished product can be used as a heating radiator after surface treatment, or it can be used to continue assembly and become a composite radiator product.
  • the composite heat sink is produced by using the stainless steel member of the present invention, only the heat dissipating fins of other materials, such as the aluminum heat dissipating fins 6, are tightly nested between the fourth step and the fifth step of the process step.
  • the vertical riser 4 can be used.
  • the heat dissipating fins 6 are openable and assembled, the heat dissipating fins 6 can be assembled on the vertical water pipes after all the process steps are completed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Central Heating Systems (AREA)

Abstract

本发明公开了一种用于采暖散热器的不锈钢构件及其制造方法，它包括上下两个横向联通管，还包括多个平行排列的竖向立管，各竖向立管的两端分别与上下两个横向联通管贯通联接，横向联通管设置有向内凸起的环形翻边，在横向联通管的端部通过环形联接盘设置有接头座，横向联通管、竖向立管、环形联接盘均采用薄壁不锈钢材料，被焊接的不锈钢件紧密贴合，端面齐平，具有适当高度，沿端面实施焊接，形成环形焊缝或条形焊缝，焊接时采用先内后外的工艺顺序，焊接部位适合自动焊接，不加焊丝瞬间高温熔化，熔合可靠不渗漏，焊缝整齐均匀，特别适用于薄壁材料，本发明中的环形焊缝和条形焊缝，采用自动焊接，工作效率高，焊接质量有保证。

Description

一种用于采暖散热器的不锈钢构件及其制造方法 技术领域
本发明属于散热器技术领域，具体涉及一种用于采暖散热器的不锈钢构件及其制造方法。背景技术
目前，采用不同材质制作的复合散热器已被广泛使用，其结构形式有多种，其中常见的一种复合散热器的构件，它包括上下两个横向联通管和多个平行排列的竖向立管，各竖向立管的两端分别与两个横向联通管贯通联接，在横向联通管的端部设置有接头座。上述复合散热器的主要构件可以采用不锈钢材料制造，在已知的一种现有技术中，横向联通管设置有向外凸起的环形翻边，竖向立管插装并焊接在横向联通管的环形翻边外，或者将竖向立管插装并焊接在横向联通管的环形翻边内，这两种贯通联接方式，焊缝均在外表面，影响不锈钢的美观，当焊接温度不稳定时，特别是对于薄壁不锈钢材料极易产生焊接不牢或击穿，同时导热介质会渗入联通管的环形翻边和竖向立管之间的缝隙中，从而可能会对焊缝产生侵蚀；还有一种现有技术是，在横向联通管设置有向内或向外凸起的环形翻边，竖向立管与横向联通管的环形翻边通过螺纹进行联接或者压入联接，为了保证环形翻边具备一定的机械强度，这就需要增加横向联通管使用的不锈钢材料的厚度，从而加大了材料成本和产品重量，同时螺纹联接密封性能差，容易产生泄漏。
发明内容
本发明的目的是针对上述已有技术的不足，提供一种改进的用于采暖散热器的不锈钢构件及其制造方法。
本发明是这样实现的：
一种用于采暖散热器的不锈钢构件，它包括上下两个横向联通管，还包括多个平行排列的竖向立管，各竖向立管的两端分别与上下两个横向联通管贯通联接，横向联通管设置有向内凸起的环形翻边，在横向联通管的端部设置有接头座，其特征在于：所述贯通联接是竖向立管插入横向联通管向内凸起的环形翻边内，横向联通管的环形翻边与竖向立管的管壁紧密贴合，竖向立管的端面与横向联通管环形翻边的端面相齐平，经端面焊接形成环形焊缝，竖向立管是用不锈钢薄壁管制成，横向联通管是由条形不锈钢薄板卷曲成封闭截面形状并沿横向联通管的长度方向焊接成型，所述制作横向联通管的条 形不锈钢薄板，沿长度方向在卷曲成封闭截面形状的闭合处有一对向外凸起的条形翻边，这对条形翻边之间无间隙，上端面相齐平，沿着条形翻边的上端面焊接成条形焊缝。
所述横向联通管的封闭截面形状是圆形，或者是半圆形，或者是椭圆形，或者是三角形，或者是四方形，或者是梯形。
所述横向联通管向内凸起的环形翻边是圆环形翻边，或者是椭圆环形翻边，所述竖向立管的截面形状与横向联通管向内凸起的环形翻边的形状相对应。
所述横向联通管的端部通过环形联接盘设置接头座，采用不锈钢薄板制作的环形联接盘加工有方向相同的内翻边和外翻边，采用不锈钢管材加工的带有内螺纹的接头座一端插入环形联接盘中间的内翻边，接头座外壁与环形联接盘内翻边紧密贴合，接头座端面与环形联接盘内翻边端面相齐平，经端面焊接形成内环形焊缝；环形联接盘插入横向联通管的端口，环形联接盘的外翻边与横向联通管的端口紧密贴合，横向联通管的端面与环形联接盘的外翻边端面相齐平，经端面焊接形成外环形焊缝。
所述横向联通管的环形翻边和条形翻边的高度为1至5毫米之间的任一尺寸。
所述环形联接盘的内翻边和外翻边的高度为1至5毫米之间的任一尺寸。
一种用于上述采暖散热器的不锈钢构件的制造方法，包括如下工艺步骤：
第一步：把用于制作横向联通管的定尺的不锈钢板带放进模具内，冲压成沿长度方向两侧带有条形翻边的形状。
第二步：将上一步加工过的型材沿长度方向在中间冲压，使其下端形成U字形状，或着是口字上端开口的形状。
第三步：将第二步加工过的型材沿长度方向在底面中间线上冲孔拉伸，形成与竖向立管端部配合的向内凸起的环形翻边。
第四步：把用于制作竖向立管的定尺的不锈钢管两端冲剪，使其端面的形状与横向联通管向内凸起的环形翻边端面的形状适配。
第五步：将各竖向立管的两端分别插入上下两个横向联通管型材的向内凸起的环形翻边内，向内凸起的环形翻边与竖向立管的管壁紧密贴合，竖向立管的端面与横向联通管型材的环形翻边的端面相齐平，经端面焊接形成环形焊缝。
第六步：将具有设定断面形状的内芯轴，沿横向联通管的长度方向置入完成第五步工艺步骤后的属于横向联通管底部的位置，二个具有设定断面形状的外夹具在压力支柱作用下相对移动夹紧，使得属于横向联通管的型材的两边被挤压闭合，两个条形翻边捏合紧密，端面齐平，经端面焊接形成条形焊缝。
第七步：外夹具随压力支柱收缩退出，抽出内芯轴。
第八步：用不锈钢板制作环形联接盘和用不锈钢管材加工带有内螺纹的接头座，在横向联通管的端部分别焊接环形联接盘和接头座。
本发明的有益效果及优点如下：
本发明的用于采暖散热器的不锈钢构件，在没有增加部件和改变结构的前提下，仅仅改变插接和焊接方式，将竖向立管插入横向联通管向内凸起的具有适当高度的环形翻边内，横向联通管的环形翻边与竖向立管的管壁紧密贴合，竖向立管的端面与横向联通管环形翻边的端面相齐平，经端面焊接形成环形焊缝，从而实现了焊缝内置不外露，消除了导热介质渗入联通管的环形翻边和竖向立管之间的缝隙；横向联通管环形翻边的端面和竖向立管的端面组成的焊接部位适合自动焊接，不加焊丝瞬间高温熔化，熔合可靠不渗漏，焊缝整齐均匀，特别适用于薄壁材料。
本发明中的横向联通管是由不锈钢板带卷曲成封闭截面形状并沿横向联通管的长度方向焊接成型，制作横向联通管的不锈钢板带在卷曲成封闭截面形状的闭合处有一对向外凸起的条形翻边，两个条形翻边之间无间隙，上端面相齐平，具有适当的高度，沿着条形翻边的上端面焊接，形成条形焊缝，焊接部位适合自动焊接，不加焊丝瞬间高温熔化，熔合可靠不渗漏，焊缝整齐均匀，特别适用于薄壁材料。
同样，横向联通管的端部通过环形联接盘设置接头座，采用了相同的焊接结构和方法，特别适用于薄壁材料。所述横向联通管的封闭截面形状有多种选择，结构简单，便于加工制造，形状多样，适应不同的审美要求。
本发明的用于采暖散热器的不锈钢构件的制造方法，是根据产品结构的特点制定的，其中第一、二、三步是横向联通管型材的形成，第四步足竖向立管的形成，上述两个方面的工艺过程也可以同步进行，为接下来的组装焊接打下基础，在组装焊接工艺步骤中，第五、六两步是技术关键，并且必须遵守顺序，才能实现先内(环形焊缝)后外(条形焊缝)实施自动焊接。本 制造方法作业内容设计合理，所用设备、模具数量少，效果可靠；本制造方法步骤顺序设计合理，有利于先内后外实施自动焊接，从而保证焊缝质量。
本发明的制造方法，完全满足产品结构的制造要求，既可保证产品质量，又适合批量生产。此外，当采用本发明的不锈钢构件生产复合散热器的时候，只需在工艺步骤的第四步和第五步之间，将散热翼片紧密镶套在竖向立管上即可，当散热翼片为可开合的拼装结构时，可在全部工艺步骤完成后再将散热翼片拼装在竖向立管上即可完成复合散热器的组装，工艺调整十分方便。
通过实施本发明，可以充分利用薄壁不锈钢材料的性能，为市场提供多种形式和多种材料的复合散热器，本发明也可以直接作为散热器产品使用。
采用本发明技术所生产的散热器产品具有可靠的使用寿命，外形美观，重量轻，节约材料和人工成本，适合大批量生产，市场前景好。
附图说明
图1是采用本发明不锈钢构件组装的不锈钢铝复合散热器的结构示意图。
图2是本发明中竖向立管与横向联通管插接焊接结构剖视图。
图3是本发明中横向联通管与竖向立管联接在一起的结构剖视图。
图4是本发明中横向联通管与接头座联接局部结构示意图。
图5是本发明中横向联通管经过第一工艺步骤后形成的端面结构示意图。
图6是本发明中横向联通管经过第二工艺步骤后形成的端面结构示意图。
图7是本发明中第六步工艺步骤对比结构示意图。
具体实施方式
下面结合附图和实施例对本发明作进一步的详细叙述。
如图1、图2、图3所示，一种用于采暖散热器的不锈钢构件，它包括两个结构相同上下对应的横向联通管1和2，还包括多个平行排列的竖向立管4，各竖向立管4的两端分别与上下两个横向联通管1和2贯通联接，横向联通管设置有向内凸起的圆形的环形翻边3，该环形翻边3具有适当的高度。所述贯通联接是竖向立管4插入横向联通管向内凸起的环形翻边3内，横向联通管的环形翻边3与竖向立管4的管壁紧密贴合，竖向立管4的端面与横向联通管环形翻边3的端面相齐平，经端面焊接形成环形焊缝，竖向立管4在本实施例中采用了圆形不锈钢薄壁管。
横向联通管1和2结构形状相同，都是由不锈钢板带卷曲成封闭截面形状并沿横向联通管的长度方向焊接成型，其中，不锈钢板带采用条形不锈钢 薄板，横向联通管的封闭截面形状可以是圆形，或者是半圆形，或者是椭圆形，或者是三角形，或者是四方形，或者是梯形，本实施例采用了圆形。制作横向联通管的不锈钢板带，在沿长度方向卷曲成封闭截面形状时，闭合处有一对具有适当高度的向外凸起的条形翻边7，这对条形翻边7之间不留间隙，上端面高度齐平，沿着条形翻边7的上端面焊接成型，所形成的焊缝是条形焊缝。
此外，横向联通管向内凸起的环形翻边3也可以是椭圆形的环形翻边，此时，与之相对应的竖向立管4的截面形状也是椭圆形。
如图4所示，横向联通管的端部通过环形联接盘8设置接头座5，用不锈钢薄板冲制的环形联接盘8加工有方向相同的内翻边9和外翻边10，用不锈钢管材加工的带有内螺纹的接头座5一端插入环形联接盘中间的内翻边9，接头座5外壁与环形联接盘内翻边9紧密贴合，接头座5端面与环形联接盘内翻边9端面相齐平，经端面焊接形成内环形焊缝；环形联接盘8插入横向联通管1或2的端口，环形联接盘的外翻边10与横向联通管的端口紧密贴合，横向联通管的端面与环形联接盘的外翻边10的端面相齐平，经端面焊接形成外环形焊缝。当横向联通管的封闭截面形状改变时，环形联接盘外翻边10的周边形状也要做相应的改变。
横向联通管的环形翻边3和条形翻边7以及环形联接盘的内翻边9和外翻边10，其高度为1至5毫米之间的任一尺寸，例如3.5毫米。
通常2mm以下的不锈钢板称为不锈钢薄板，不锈钢薄壁管的厚度也是在2毫米以内。本发明使用的不锈钢材料厚度可以控制在1mm以内，例如0.5mm。要求被焊接薄壁不锈钢件紧密贴合、端面齐平、具有适当高度、从端面进行焊接，焊接部位不加焊丝瞬间高温熔化，被焊接件熔为一体，焊缝整齐均匀，熔合可靠不渗漏。本发明中的环形焊缝和条形焊缝，适合采用自动焊接，工作效率高，焊接质量有保证。
根据上述产品结构的特点制定的一种用于采暖散热器的不锈钢构件的制造方法，包括如下工艺步骤：
其中第一、二、三步是横向联通管型材的形成。
第一步：把用于制作横向联通管1或2的定尺的不锈钢板带放进模具内，冲压成沿长度方向两侧带有条形翻边7的形状，其端面形状见图5。
第二步：将上一步加工过的型材沿长度方向在中间冲压，使其下端形成U 字形状，或着是口字上端开口的形状，U形端面形状见图6。
第三步：将第二步加工过的型材沿长度方向在底面中间线上冲孔拉伸，形成与竖向立管4端部配合的向内凸起的环形翻边3，其结构形状见图2。
其中第四步是竖向立管的形成。
第四步：把用于制作竖向立管4的定尺的不锈钢管两端冲剪，使其端面的形状与横向联通管向内凸起的环形翻边3端面的形状适配。剖面结构见图2。
其中第五、六步两步是组装焊接。
第五步：将各竖向立管4的两端分别插入上下两个横向联通管型材的向内凸起的环形翻边3内，向内凸起的环形翻边3与竖向立管4的管壁紧密贴合，竖向立管4的端面与横向联通管型材的环形翻边3的端面相齐平，经端面焊接形成环形焊缝。剖面结构见图2。
第六步：将具有设定断面形状的内芯轴12，沿横向联通管的长度方向置入完成第五步工艺步骤后的属于横向联通管底部的位置，二个具有设定断面形状的外夹具14和15，在压力支柱11和13作用下相对移动加紧，使得属于横向联通管2的型材的两边被挤压闭合，一对条形翻边7被捏合紧密，端面齐平，经端面焊接形成条形焊缝。参见图2和图7。
第七步：外夹具14和15随压力支柱11和13收缩退出，抽出内芯轴12。参见图7，图3展示的是完成后的结构断面。
第八步：用不锈钢板冲制环形联接盘8和用不锈钢管材加工内螺纹接头座5，在横向联通管的端部分别焊接环形联接盘8和接头座5。结构见图4。
此时完成的产品经表面处理后即可以作为采暖散热器使用，也可以用于继续组装，成为复合散热器产品。当采用本发明的不锈钢构件生产复合散热器的时候，只需在工艺步骤的第四步和第五步之间，将其它材质的散热翼片，如铝材质的散热翼片6，紧密镶套在竖向立管4上即可，当散热翼片6为可开合的拼装结构时，可在全部工艺步骤完成后再将散热翼片6拼装在竖向水管上即可。
本发明不限于上述具体实施方式，上述的具体实施方式仅仅是示意性的，并不是限制性的，本领域的专业技术人员在本发明的启示下，在不脱离本发明权利要求保护范围的情况下，还可以作出其它形式的具体变换，这些均属于本发明的保护范围之内。

Claims (7)

  1. 一种用于采暖散热器的不锈钢构件，它包括上下两个横向联通管(1，2)，还包括多个平行排列的竖向立管(4)，各竖向立管(4)的两端分别与上下两个横向联通管(1，2)贯通联接，横向联通管设置有向内凸起的环形翻边(3)，在横向联通管的端部设置有接头座(5)，其特征在于：所述贯通联接是竖向立管(4)插入横向联通管向内凸起的环形翻边(3)内，横向联通管的环形翻边(3)与竖向立管(4)的管壁紧密贴合，竖向立管(4)的端面与横向联通管环形翻边(3)的端面相齐平，经端面焊接形成环形焊缝，竖向立管(4)是用不锈钢薄壁管制成，横向联通管是由条形不锈钢薄板卷曲成封闭截面形状并沿横向联通管的长度方向焊接成型，所述制作横向联通管的条形不锈钢薄板，沿长度方向在卷曲成封闭截面形状的闭合处有一对向外凸起的条形翻边(7)，这对条形翻边(7)之间无间隙，上端面相齐平，沿着条形翻边的上端面焊接成条形焊缝。
  2. 根据权利要求1所述的一种用于采暖散热器的不锈钢构件，其特征在于：所述横向联通管的封闭截面形状是圆形，或者是半圆形，或者是椭圆形，或者是三角形，或者是四方形，或者是梯形。
  3. 根据权利要求1所述的一种用于采暖散热器的不锈钢构件，其特征在于：所述横向联通管向内凸起的环形翻边(3)是圆环形翻边，或者是椭圆环形翻边，所述竖向立管(4)的截面形状与横向联通管向内凸起的环形翻边(3)的形状相对应。
  4. 根据权利要求1所述的一种用于采暖散热器的不锈钢构件，其特征在于：所述横向联通管的端部通过环形联接盘(8)设置接头座(5)，采用不锈钢薄板制作的环形联接盘(8)加工有方向相同的内翻边(9)和外翻边(10)，采用不锈钢管材加工的带有内螺纹的接头座(5)一端插入环形联接盘中间的内翻边(9)，接头座(5)外壁与环形联接盘内翻边(9)紧密贴合，接头座(5)端面与环形联接盘内翻边(9)端面相齐平，经端面焊接形成内环形焊缝；环形联接盘(8)插入横向联通管的端口，环形联接盘的外翻边(10)与横向联通管的端口紧密贴合，横向联通管的端面与环形联接盘的外翻边(10)端面相齐平，经端面焊接形成外环形焊缝。
  5. 根据权利要求1所述的一种用于采暖散热器的不锈钢构件，其特征在于：所述横向联通管的环形翻边(3)和条形翻边(7)的高度为1至5毫米之间的任一尺寸。
  6. 根据权利要求4所述的一种用于采暖散热器的不锈钢构件，其特征在于：所述环形联接盘的内翻边(9)和外翻边(10)的高度为1至5毫米之间的任一尺 寸。
  7. 一种用于如权利要求1所述的采暖散热器的不锈钢构件的制造方法，其特征在于包括如下工艺步骤：
    第一步：把用于制作横向联通管的定尺的不锈钢板带放进模具内，冲压成沿长度方向两侧带有条形翻边的形状。
    第二步：将上一步加工过的型材沿长度方向在中间冲压，使其下端形成U字形状，或着是口字上端开口的形状。
    第三步：将第二步加工过的型材沿长度方向在底面中间线上冲孔拉伸，形成与竖向立管端部配合的向内凸起的环形翻边。
    第四步：把用于制作竖向立管的定尺的不锈钢管两端冲剪，使其端面的形状与横向联通管向内凸起的环形翻边端面的形状适配。
    第五步：将各竖向立管的两端分别插入上下两个横向联通管型材的向内凸起的环形翻边内，向内凸起的环形翻边与竖向立管的管壁紧密贴合，竖向立管的端面与横向联通管型材的环形翻边的端面相齐平，经端面焊接形成环形焊缝。
    第六步：将具有设定断面形状的内芯轴，沿横向联通管的长度方向置入完成第五步工艺步骤后的属于横向联通管底部的位置，二个具有设定断面形状的外夹具在压力支柱作用下相对移动夹紧，使得属于横向联通管的型材的两边被挤压闭合，两个条形翻边捏合紧密，端面齐平，经端面焊接形成条形焊缝。
    第七步：外夹具随压力支柱收缩退出，抽出内芯轴。
    第八步：用不锈钢板制作环形联接盘和用不锈钢管材加工带有内螺纹的接头座，在横向联通管的端部分别焊接环形联接盘和接头座。
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CN111715977A (zh) * 2020-06-03 2020-09-29 唐山佳泰金属制品有限公司 从内部焊接制作散热器方法及其内焊式散热器
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