CN103551726B - Novel linear friction welding device - Google Patents
Novel linear friction welding device Download PDFInfo
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- CN103551726B CN103551726B CN201310540133.3A CN201310540133A CN103551726B CN 103551726 B CN103551726 B CN 103551726B CN 201310540133 A CN201310540133 A CN 201310540133A CN 103551726 B CN103551726 B CN 103551726B
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- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
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Abstract
一种线性摩擦焊接装置，其特征是它包括床身（1），床身（1）上分别装有垂直导轨（2）、水平导轨（9）和导轨（20），其中垂直导轨（2）上安装有装夹工件的第一工件装夹装置（3），水平导轨（9）上放置有滑块机构（4），滑块机构（4）上装有第二工件装夹装置（5）；床身（1）的横梁（16）上分别装有第一固定架（10）和第二固定架（11），第一固定架（10）下方装有第一金属伸缩管（12）和第一电热丝（14），第二固定架（11）下方装有第二金属伸缩管（13）和第二电热丝（15）；床身（2）的两边各安装有一个导轨（20），两个导轨（20）上各安装有一个冲击固定结构（17）。本发明能有效的保护设备，简化了加工方法，节约了加工时间，有效的提高了装置的利用率，增加了焊缝的力学性能。
A linear friction welding device is characterized in that it includes a bed (1), and the bed (1) is respectively equipped with a vertical guide rail (2), a horizontal guide rail (9) and a guide rail (20), wherein the vertical guide rail (2) The first workpiece clamping device (3) for clamping the workpiece is installed on the top, the slider mechanism (4) is placed on the horizontal guide rail (9), and the second workpiece clamping device (5) is installed on the slider mechanism (4); The first fixed frame (10) and the second fixed frame (11) are respectively installed on the beam (16) of the bed (1), and the first metal telescopic tube (12) and the second fixed frame (10) are installed below the first fixed frame (10). A heating wire (14), a second metal telescopic tube (13) and a second heating wire (15) are installed under the second fixing frame (11); a guide rail (20) is respectively installed on both sides of the bed (2), An impact fixing structure (17) is respectively installed on the two guide rails (20). The invention can effectively protect the equipment, simplify the processing method, save the processing time, effectively improve the utilization rate of the device, and increase the mechanical properties of the welding seam.
Description
技术领域 technical field
本发明涉及一种焊接技术，尤其是一种线性摩擦焊接技术，具体地说是一种工件线性摩擦之前先进行加热以减少摩擦时间和摩擦压力，并通过子弹撞击方式实现工件粘结以减少整个滑块机构的撞击，有效的保护了设备，同时在粘结过程中通过设计的装置实现飞边切除，简化了加工方法，节约了加工时间，有效提高利用率的线性摩擦焊接装置。 The invention relates to a welding technology, especially a linear friction welding technology, in particular, a workpiece is heated before linear friction to reduce the friction time and friction pressure, and the workpiece is bonded by bullet impact to reduce the overall The impact of the slider mechanism effectively protects the equipment. At the same time, the flash cutting is realized through the designed device during the bonding process, which simplifies the processing method, saves processing time, and effectively improves the utilization rate of the linear friction welding device.
背景技术 Background technique
目前，线性摩擦焊接近几年也越来越得到广泛应用，特别是关于叶片与叶轮的焊接，目前有采用这种焊接方式的趋势，但是线性摩擦焊接有许多的缺陷，如飞边、打的冲击力和大的振动频率等。由于这些缺陷的存在使得这一技术应用得到延缓。随着我国航空技术的不断发展，目前国产航空发动机的制造得到快速发展，但航空发动机的重要部件之一就是叶轮叶片制造，如何精确制造出航空发动机叶轮叶片是提高航空发动机性能的主要技术之一。为了克服这一困难，本发明在现有的线性摩擦焊接技术的基础上采用预加热焊接以减少大的冲击力。以及快速切除飞边等技术，使得工件焊接时间短、效率高，焊接质量好等。因此，本发明能得到广泛应用。 At present, linear friction welding has been more and more widely used in recent years, especially for the welding of blades and impellers. At present, there is a tendency to adopt this welding method, but linear friction welding has many defects, such as flash, Impact force and large vibration frequency etc. Due to the existence of these defects, the application of this technology has been delayed. With the continuous development of my country's aviation technology, the manufacture of domestic aero-engines has developed rapidly, but one of the important components of aero-engines is the manufacture of impeller blades. How to accurately manufacture aero-engine impeller blades is one of the main technologies to improve the performance of aero-engines . In order to overcome this difficulty, the present invention uses preheating welding on the basis of the existing linear friction welding technology to reduce the large impact force. As well as rapid removal of flash and other technologies, the workpiece welding time is short, the efficiency is high, and the welding quality is good. Therefore, the present invention can be widely used.
发明内容 Contents of the invention
本发明的目的是针对现有的性线摩擦焊存在冲击力易产生飞边等问题，设计一种能冲出力小且能同时切除飞边的线性摩擦焊接装置。 The purpose of the present invention is to design a linear friction welding device with small punching force and capable of cutting off flash at the same time, aiming at the problem that the impact force of the existing linear friction welding is easy to produce flash.
本发明的技术方案是： Technical scheme of the present invention is:
一种线性摩擦焊接装置，其特征是它包括床身1，床身1上分别装有垂直导轨2、水平导轨9和导轨20，其中垂直导轨2上安装有装夹工件的第一工件装夹装置3，水平导轨9上放置有滑块机构4，滑块机构4上装有第二工件装夹装置5，滑块机构内部开有弹道6，弹道6的一端放有子弹7，子弹7的一端与加压器8相连；床身1的横梁16上分别装有第一固定架10和第二固定架11，第一固定架10下方装有第一金属伸缩管12和与第一金属伸缩管相连并用于对装夹在第一工件装夹装置3工件进行回加热的第一电热丝14，第二固定架11下方装有第二金属伸缩管13和与第二金属伸缩管13并用于对第二工件装夹装置5上装夹的工件进行加热的第二电热丝15；床身2的两边各安装有一个导轨20，两个导轨20上各安装有一个冲击固定结构17。 A linear friction welding device is characterized in that it includes a bed 1, on which a vertical guide rail 2, a horizontal guide rail 9 and a guide rail 20 are respectively installed, wherein the vertical guide rail 2 is equipped with a first workpiece clamping device for clamping workpieces Device 3, a slider mechanism 4 is placed on the horizontal guide rail 9, a second workpiece clamping device 5 is installed on the slider mechanism 4, a ballistic 6 is opened inside the slider mechanism, a bullet 7 is placed at one end of the ballistic 6, and a bullet 7 is placed at one end of the bullet 7 It is connected with the pressurizer 8; the first fixed frame 10 and the second fixed frame 11 are respectively installed on the beam 16 of the bed 1, and the first metal telescopic tube 12 and the first metal telescopic tube are installed under the first fixed frame 10. The first electric heating wire 14 that is connected and used to reheat the workpiece clamped in the first workpiece clamping device 3, the second metal telescopic tube 13 and the second metal telescopic tube 13 are installed below the second fixed frame 11 and used for A second heating wire 15 for heating the workpiece clamped on the second workpiece clamping device 5 ; a guide rail 20 is respectively installed on both sides of the bed 2 , and an impact fixing structure 17 is respectively installed on the two guide rails 20 .
所述的冲击固定机构17主要由固定板17-1、轨道17-2、切边加压器17-3、刀杆17-4、刀片17-5、底座17-6组成，固定板17-1上装有导轨17-2，导轨17-2一端装有切边加压器17-3，切边加压器17-3一端装有刀杆17-4，刀杆17-4另一端与刀片17-5相连，且刀杆17-4和刀片17-5放置在导轨17-2内，固定架17-1通过螺栓固定在底座17-6上，固定板17-1根据工件尺寸制作不同规格以便焊接不同尺寸的工件；工件装夹到第一工件装夹装置3和第二工件装夹装置5上，固定好位置后，分别通过控制器18控制第一固定架10和第二固定架11移动到横梁16的正确位置，此时伸缩出第一金属伸缩管12和第二金属伸缩管13使第一电热丝14和第二电热丝15分别到达工件位置并套入到相应的工件上开始加热，当加热温度超过材料熔点2/3以上时停止加热，第一金属伸缩管12和第二金属伸缩管13收缩使第一电热丝14和第二电热丝15离开工件，滑块机构4沿着水平导轨9移动，将两工件靠在一起，然后通过控制器18控制第一工件装夹装置3沿垂直导轨2上下高频率移动，实现两工件线性摩擦，待摩擦到设定时间后停止摩擦，移开滑块机构4，然后将冲击固定结构17移动到设定位置，确定两边的固定板17-1合拢，打开加压器8将子弹7沿弹道6打出，子弹7将装夹在第二工件装夹装置5上的工件迅速打出并在固定夹板17-1内与第一工件装夹装置3上装夹的工件相撞并粘结在一起，同时打开固定板17-1上导轨17-2一端的切边加压器17-3，对刀杆17-4加压冲击带动其上刀片17-5沿导轨17-2向下冲击，切除工件上的飞边。最后移走固定板17-1，取出焊接好的工件。 The impact fixing mechanism 17 is mainly composed of a fixing plate 17-1, a track 17-2, a trimming presser 17-3, a cutter bar 17-4, a blade 17-5, and a base 17-6. The fixing plate 17- 1 guide rail 17-2 is housed, and guide rail 17-2 one end is equipped with trimming pressure device 17-3, and trimming pressure device 17-3 one end is equipped with knife bar 17-4, and knife bar 17-4 other end and blade 17-5 are connected, and the tool bar 17-4 and the blade 17-5 are placed in the guide rail 17-2, the fixed frame 17-1 is fixed on the base 17-6 by bolts, and the fixed plate 17-1 is made of different specifications according to the workpiece size In order to weld workpieces of different sizes; the workpiece is clamped to the first workpiece clamping device 3 and the second workpiece clamping device 5, and after the position is fixed, the first fixed mount 10 and the second fixed mount 11 are controlled by the controller 18 respectively Move to the correct position of the beam 16. At this time, the first metal telescopic tube 12 and the second metal telescopic tube 13 are stretched out so that the first heating wire 14 and the second heating wire 15 respectively reach the workpiece position and are inserted into the corresponding workpiece to start Heating, stop heating when the heating temperature exceeds 2/3 of the melting point of the material, the first metal telescopic tube 12 and the second metal telescopic tube 13 shrink to make the first heating wire 14 and the second heating wire 15 leave the workpiece, and the slider mechanism 4 moves along Move along the horizontal guide rail 9, close the two workpieces together, and then control the first workpiece clamping device 3 to move up and down at high frequency along the vertical guide rail 2 through the controller 18 to realize linear friction between the two workpieces, and stop the friction after the friction reaches the set time , remove the slider mechanism 4, then move the impact fixing structure 17 to the set position, confirm that the fixing plates 17-1 on both sides are closed, open the pressurizer 8 and shoot the bullet 7 along the trajectory 6, and the bullet 7 will be clamped at the second The workpiece on the second workpiece clamping device 5 is quickly punched out and collides with the workpiece clamped on the first workpiece clamping device 3 in the fixed splint 17-1 and is bonded together, and simultaneously opens the guide rail 17- on the fixed plate 17-1 2. The edge trimming pressurizer 17-3 at one end drives the upper blade 17-5 to impact downwards along the guide rail 17-2 to the cutter bar 17-4 pressurized impact, and cuts off the flash on the workpiece. Finally remove the fixed plate 17-1, and take out the welded workpiece.
所述的工件装夹装置3在垂直轨道2上的上下移动、滑块机构4在水平轨道9上的水平移动、加压器8的压力控制、第一固定架10在横梁16上移动、第一金属伸缩管12的伸缩及第一电热丝14的加热控制、第二固定架11在横梁16上的移动、第二金属伸缩管13的伸缩及第二电热丝15的加热控制、冲击固定机构17在导轨20上移动、冲击固定机构中的切边加压器17-3使刀片17-5沿导轨17-2的移动控制均是通过控制器18控制，并且通过电脑19在线监测。 The up and down movement of the workpiece clamping device 3 on the vertical rail 2, the horizontal movement of the slider mechanism 4 on the horizontal rail 9, the pressure control of the pressurizer 8, the movement of the first fixed frame 10 on the beam 16, the movement of the second The expansion and contraction of a metal expansion tube 12 and the heating control of the first heating wire 14, the movement of the second fixed frame 11 on the beam 16, the expansion and contraction of the second metal expansion tube 13 and the heating control of the second heating wire 15, and the impact fixing mechanism 17 moves on the guide rail 20, and the trimming presser 17-3 in the impact fixing mechanism makes the movement control of the blade 17-5 along the guide rail 17-2 all controlled by the controller 18 and monitored online by the computer 19.
本发明的有益效果： Beneficial effects of the present invention:
本发明通过在工件线性摩擦之前先进行加热以减少摩擦时间和摩擦压力，并通过子弹撞击方式实现工件粘结以减少整个滑块机构的撞击，有效的保护了设备，同时在粘结过程中通过设计的装置实现飞边切除，简化了加工方法，节约了加工时间，有效的提高了装置的利用率，增加了焊缝的力学性能。 The invention reduces the friction time and friction pressure by heating the workpiece before the linear friction, and realizes the workpiece bonding through the impact of bullets to reduce the impact of the entire slider mechanism, effectively protecting the equipment, and at the same time through the bonding process The designed device realizes flash cutting, simplifies the processing method, saves processing time, effectively improves the utilization rate of the device, and increases the mechanical properties of the weld.
附图说明 Description of drawings
图1是本发明的结构示意图。 Fig. 1 is a schematic structural view of the present invention.
图2是本发明的冲击固定机构17的整体结构示意图。 FIG. 2 is a schematic diagram of the overall structure of the impact fixing mechanism 17 of the present invention.
图3是本发明的冲击固定机构17的一侧主视图。 FIG. 3 is a side front view of the impact fixing mechanism 17 of the present invention.
图4是本发明的冲击固定机构17的一侧右视图。 FIG. 4 is a side right side view of the impact fixing mechanism 17 of the present invention.
具体实施方式 Detailed ways
下面结合附图和实施例对本发明作进一步的说明。 The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
如图1-2所示。 As shown in Figure 1-2.
一种线性摩擦焊接装置，它主要由床身1、垂直导轨2、第一工件装夹装置3、滑块机构4、第二工件装夹装置5、弹道6、子弹7、加压器8、水平轨道9、第一固定架10、第二固定架11、第一金属伸缩管12、第二金属伸缩管13、第一电热丝14、第二电热丝15、横梁16、冲击固定机构17、控制器18、电脑19和导轨20组成，床身1上分别装有垂直导轨2、水平导轨9和导轨20，其中垂直导轨2上安装有装夹工件的第一工件装夹装置3，水平导轨9上放置有滑块机构4，滑块机构4上装有第二工件装夹装置5，滑块机构内部开有弹道6，弹道6的一端放有子弹7，子弹7的一端与加压器8相连；床身1的横梁16上分别装有第一固定架10和第二固定架11，第一固定架10下方装有第一金属伸缩管12和与第一金属伸缩管相连并用于对装夹在第一工件装夹装置3工件进行回加热的第一电热丝14，第二固定架11下方装有第二金属伸缩管13和与第二金属伸缩管13并用于对第二工件装夹装置5上装夹的工件进行加热的第二电热丝15；床身2的两边各安装有一个导轨20，两个导轨20上各安装有一个冲击固定结构17，如图1所示。冲击固定机构17如图2，图3和图4所示，它主要由固定板17-1、轨道17-2、切边加压器17-3、刀杆17-4、刀片17-5、底座17-6组成，固定板17-1上装有导轨17-2，导轨17-2一端装有切边加压器17-3，切边加压器17-3一端装有刀杆17-4，刀杆17-4另一端与刀片17-5相连，且刀杆17-4和刀片17-5放置在导轨17-2内，固定架17-1通过螺栓固定在底座17-6上，固定板17-1根据工件尺寸制作不同规格以便焊接不同尺寸的工件；工件装夹到第一工件装夹装置3和第二工件装夹装置5上，固定好位置后，分别通过控制器18控制第一固定架10和第二固定架11移动到横梁16的正确位置，此时伸缩出第一金属伸缩管12和第二金属伸缩管13使第一电热丝14和第二电热丝15分别到达工件位置并套入到相应的工件上开始加热，当加热温度超过材料熔点2/3以上时停止加热，第一金属伸缩管12和第二金属伸缩管13收缩使第一电热丝14和第二电热丝15离开工件，滑块机构4沿着水平导轨9移动，将两工件靠在一起，然后通过控制器18控制第一工件装夹装置3沿垂直导轨2上下高频率移动，实现两工件线性摩擦，待摩擦到设定时间后停止摩擦，移开滑块机构4，然后将冲击固定结构17移动到设定位置，确定两边的固定板17-1合拢，打开加压器8将子弹7沿弹道6打出，子弹7将装夹在第二工件装夹装置5上的工件迅速打出并在固定夹板17-1内与第一工件装夹装置3上装夹的工件相撞并粘结在一起，同时打开固定板17-1上导轨17-2一端的切边加压器17-3，对刀杆17-4加压冲击带动其上刀片17-5沿导轨17-2向下冲击，切除工件上的飞边。最后移走固定板17-1，取出焊接好的工件。所述的工件装夹装置3在垂直轨道2上的上下移动、滑块机构4在水平轨道9上的水平移动、加压器8的压力控制、第一固定架10在横梁16上移动、第一金属伸缩管12的伸缩及第一电热丝14的加热控制、第二固定架11在横梁16上的移动、第二金属伸缩管13的伸缩及第二电热丝15的加热控制、冲击固定机构17在导轨20上移动、冲击固定机构中的切边加压器17-3使刀片17-5沿导轨17-2的移动控制均是通过控制器18控制，并且通过电脑19在线监测。 A linear friction welding device, which mainly consists of a bed 1, a vertical guide rail 2, a first workpiece clamping device 3, a slider mechanism 4, a second workpiece clamping device 5, a trajectory 6, a bullet 7, a pressurizer 8, Horizontal track 9, first fixed frame 10, second fixed frame 11, first metal telescopic tube 12, second metal telescopic tube 13, first heating wire 14, second heating wire 15, beam 16, impact fixing mechanism 17, The controller 18, the computer 19 and the guide rail 20 are composed of a vertical guide rail 2, a horizontal guide rail 9 and a guide rail 20 respectively on the bed 1, wherein the first workpiece clamping device 3 for clamping the workpiece is installed on the vertical guide rail 2, and the horizontal guide rail Slider mechanism 4 is placed on 9, and second workpiece clamping device 5 is housed on the slider mechanism 4, and ballistic 6 is opened inside the slider mechanism, and bullet 7 is placed on one end of ballistic trajectory 6, and one end of bullet 7 and pressurizer 8 Connected; the beam 16 of the bed 1 is equipped with a first fixed frame 10 and a second fixed frame 11 respectively, and a first metal telescopic tube 12 is installed below the first fixed frame 10 and is connected with the first metal telescopic tube and is used for pairing. The first electric heating wire 14 clamped in the first workpiece clamping device 3 for reheating the workpiece, the second metal telescopic tube 13 and the second metal telescopic tube 13 are installed under the second fixed frame 11 and are used for clamping the second workpiece A second heating wire 15 for heating the workpiece clamped on the device 5; a guide rail 20 is respectively installed on both sides of the bed 2, and an impact fixing structure 17 is respectively installed on the two guide rails 20, as shown in FIG. 1 . Impact fixing mechanism 17 is shown in Figure 2, Figure 3 and Figure 4, and it mainly consists of fixed plate 17-1, track 17-2, trimming pressure device 17-3, cutter bar 17-4, blade 17-5, Base 17-6 is formed, and guide rail 17-2 is housed on fixed plate 17-1, and trimming pressurizer 17-3 is equipped with at one end of guide rail 17-2, and cutter bar 17-4 is equipped with at one end of trimming pressurizer 17-3 , the other end of the knife bar 17-4 is connected with the blade 17-5, and the knife bar 17-4 and the blade 17-5 are placed in the guide rail 17-2, and the fixing frame 17-1 is fixed on the base 17-6 by bolts, and fixed The plate 17-1 is made of different specifications according to the size of the workpiece so as to weld workpieces of different sizes; The first fixed frame 10 and the second fixed frame 11 move to the correct position of the beam 16. At this time, the first metal telescopic tube 12 and the second metal telescopic tube 13 are stretched out so that the first heating wire 14 and the second heating wire 15 reach the workpiece respectively. position and put it into the corresponding workpiece to start heating, stop heating when the heating temperature exceeds 2/3 of the melting point of the material, the first metal telescopic tube 12 and the second metal telescopic tube 13 shrink to make the first electric heating wire 14 and the second electric heating wire The wire 15 leaves the workpiece, and the slider mechanism 4 moves along the horizontal guide rail 9 to bring the two workpieces together, and then the controller 18 controls the first workpiece clamping device 3 to move up and down at high frequency along the vertical guide rail 2 to realize linear friction between the two workpieces , stop friction after the friction reaches the set time, remove the slider mechanism 4, then move the impact fixing structure 17 to the set position, make sure that the fixing plates 17-1 on both sides are closed, and open the pressurizer 8 to move the bullet 7 along the trajectory 6, the bullet 7 will quickly eject the workpiece clamped on the second workpiece clamping device 5 and collide with the workpiece clamped on the first workpiece clamping device 3 in the fixed splint 17-1 and bond together, simultaneously Open the trimming pressure device 17-3 at one end of the guide rail 17-2 on the fixed plate 17-1, pressurize and impact the cutter bar 17-4 to drive the upper blade 17-5 to impact downward along the guide rail 17-2, and cut off the upper part of the workpiece. the flying edge. Finally remove the fixed plate 17-1, and take out the welded workpiece. The up and down movement of the workpiece clamping device 3 on the vertical rail 2, the horizontal movement of the slider mechanism 4 on the horizontal rail 9, the pressure control of the pressurizer 8, the movement of the first fixed frame 10 on the beam 16, the movement of the second The expansion and contraction of a metal expansion tube 12 and the heating control of the first heating wire 14, the movement of the second fixed frame 11 on the beam 16, the expansion and contraction of the second metal expansion tube 13 and the heating control of the second heating wire 15, and the impact fixing mechanism 17 moves on the guide rail 20, and the trimming presser 17-3 in the impact fixing mechanism makes the movement control of the blade 17-5 along the guide rail 17-2 all controlled by the controller 18 and monitored online by the computer 19.
本发明未涉及部分均与现有技术相同或可采用现有技术加以实现。 The parts not involved in the present invention are the same as the prior art or can be realized by adopting the prior art.
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| CN201310540133.3A CN103551726B (en) | 2013-11-05 | 2013-11-05 | Novel linear friction welding device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107984078A (en) * | 2016-10-17 | 2018-05-04 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of vibration absorber of Linear fiction welding device workbench |
| CN106563819B (en) * | 2016-10-20 | 2018-07-13 | 黄山学院 | T-type linear friction attachment device |
| CN106735849B (en) * | 2016-12-26 | 2019-06-04 | 南京航空航天大学 | Nonlinear Friction Connection Device |
| CN108788443A (en) * | 2018-07-09 | 2018-11-13 | 四川西南交大工程技术有限公司 | A kind of rail linear friction welding method |
| CN109648151B (en) * | 2018-12-26 | 2020-01-31 | 湖南坤鼎数控科技有限公司 | A friction welding machine automatic trimming device |
| CN111305380B (en) * | 2020-03-27 | 2021-06-22 | 山东建筑大学 | Aluminum alloy rectangular pipe reticulated shell node and its connection method based on linear friction welding |
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