CN204277210U - A kind of friction stir welding universal fixturing - Google Patents
A kind of friction stir welding universal fixturing Download PDFInfo
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- CN204277210U CN204277210U CN201420582401.8U CN201420582401U CN204277210U CN 204277210 U CN204277210 U CN 204277210U CN 201420582401 U CN201420582401 U CN 201420582401U CN 204277210 U CN204277210 U CN 204277210U
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- 238000003466 welding Methods 0.000 title claims abstract description 46
- 238000003756 stirring Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000004677 Nylon Substances 0.000 claims abstract description 7
- 229920001778 nylon Polymers 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 6
- 229910001315 Tool steel Inorganic materials 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
本实用新型提供了一种搅拌摩擦焊通用夹具，包括底座和设置在底座上表面由热作磨具钢制成的焊接垫板、若干设置在底座两侧的螺杆顶紧机构、若干设置在底座两侧的连杆压紧机构以及与螺杆顶紧机构相对的横向定位块；所述螺杆顶紧机构设有压力传感器；所述连杆压紧机构与风缸或液压缸连接，所述连杆压紧机构中与工件接触面为尼龙材质；本实用新型所述夹具适用于板材对接焊缝和搭接焊缝的焊接，可以在一定范围内无级调节两块焊接试板的组装间隙，并可以采集焊接过程的横向力，可为试验提供重要数据，具有很强的实用性；本实用新型所述夹具具有调整精确、效率高、无伤工件、使用寿命长、操作方便等优点。
The utility model provides a universal fixture for friction stir welding, which comprises a base, a welding backing plate made of hot-work abrasive steel arranged on the upper surface of the base, several screw jacking mechanisms arranged on both sides of the base, and several The connecting rod pressing mechanism on both sides and the transverse positioning block opposite to the screw pressing mechanism; the screw pressing mechanism is provided with a pressure sensor; the connecting rod pressing mechanism is connected with an air cylinder or a hydraulic cylinder, and the connecting rod The contact surface with the workpiece in the pressing mechanism is made of nylon; the fixture described in the utility model is suitable for the welding of butt welds and lap welds of plates, and can steplessly adjust the assembly gap of two welding test plates within a certain range, and The transverse force of the welding process can be collected, which can provide important data for the test and has strong practicability; the fixture described in the utility model has the advantages of precise adjustment, high efficiency, no damage to the workpiece, long service life, and convenient operation.
Description
技术领域 technical field
本实用新型涉及一种夹具，具体来讲涉及一种用于搅拌摩擦焊的通用夹具。 The utility model relates to a fixture, in particular to a universal fixture for friction stir welding.
背景技术 Background technique
搅拌摩擦焊对接焊缝背面必须具有足够强度和刚度的垫板作支撑，焊缝两侧的上下方向、左右方向必须有足够的约束力。搅拌摩擦焊对接接头的理想焊前间隙为零。但实际工件形状尺寸精度并不满足零间隙的条件。要保证焊接质量，对接间隙必须控制在一定公差范围之内。不同的板厚、不同材质工件的间隙允许公差并不相同，需要通过大量焊接试验验证各种间隙条件下的焊接效果。 The back of the friction stir welded butt weld must have a backing plate with sufficient strength and rigidity for support, and there must be sufficient restraint in the up and down directions and left and right directions on both sides of the weld. The ideal pre-weld gap for friction stir welded butt joints is zero. But the shape and dimension accuracy of the actual workpiece does not meet the condition of zero gap. To ensure the welding quality, the butt joint gap must be controlled within a certain tolerance range. Different plate thicknesses and workpieces of different materials have different clearance tolerances, and a large number of welding tests are required to verify the welding effect under various clearance conditions.
在进行对接焊工艺及其试验时，需要使用夹具对工件进行夹紧。而传统的夹具采用手工调整工件间隙及装夹的方式，效率低、误差大，也无法进行间隙模拟实验；夹具多次使用后由于受热而影响焊缝背面成形甚至无法正常焊接；压板对工件表面擦伤的情况也时有发生。 During the butt welding process and its test, it is necessary to use a fixture to clamp the workpiece. However, the traditional fixture adopts manual adjustment of the workpiece gap and clamping method, which has low efficiency and large error, and the gap simulation experiment cannot be carried out; after the fixture is used for many times, the back of the weld is affected by the heat and even cannot be welded normally; Scratches also happen from time to time.
发明内容 Contents of the invention
针对上述普通夹具存在的问题和不足，本实用新型提供一种能够焊接不同厚度板材对接和搭接焊缝的焊接、满足横向力测试和焊接间隙设置的搅拌摩擦焊通用夹具。 Aiming at the problems and deficiencies of the above-mentioned common fixtures, the utility model provides a universal fixture for friction stir welding which can weld butt joints and lap welds of plates with different thicknesses, and can satisfy lateral force testing and welding gap setting.
本实用新型所述搅拌摩擦焊通用夹具，包括底座和设置在底座上表面由热作磨具钢制成的焊接垫板、若干设置在底座两侧的螺杆顶紧机构、若干设置在底座两侧的连杆压紧机构以及与螺杆顶紧机构相对的横向定位块；所述螺杆顶紧机构设有压力传感器；所述连杆压紧机构与风缸或液压缸连接，所述连杆压紧机构中与工件接触面为尼龙材质。 The universal clamp for friction stir welding described in the utility model includes a base and a welding backing plate made of hot-work abrasive steel arranged on the upper surface of the base, several screw jacking mechanisms arranged on both sides of the base, and several The connecting rod pressing mechanism and the transverse positioning block opposite to the screw pressing mechanism; the screw pressing mechanism is provided with a pressure sensor; the connecting rod pressing mechanism is connected with the air cylinder or hydraulic cylinder, and the connecting rod pressing The contact surface of the mechanism with the workpiece is made of nylon.
将本实用新型所述夹具通过底座和T型螺栓固定在搅拌摩擦焊设备的工作台上；将工件放置在焊接垫板上，通过横向定位块将工件一侧定位；调整螺杆顶紧机构，通过旋动螺杆设置工件的装配间隙并能检测工件横向顶紧力的大小及焊接过程中横向力的变化情况，从而满足焊接试验研究及焊接生产需要；在风缸或液压缸的作用下通过连杆压紧机构将工件压紧，由于压头与工件接触部位为尼龙材料，尼龙不会划伤工件表面。本实用新型所述夹具适用于板材对接焊缝和搭接焊缝的焊接，可以在一定范围内无级调节两块焊接试板的组装间隙，并可以采集焊接过程的横向力，可为试验提供重要数据，具有很强的实用性；本实用新型所述夹具具有调整精确、效率高、无伤工件、使用寿命长、操作方便等优点。 The fixture described in the utility model is fixed on the workbench of the friction stir welding equipment through the base and T-shaped bolts; the workpiece is placed on the welding backing plate, and one side of the workpiece is positioned through the horizontal positioning block; Rotate the screw to set the assembly gap of the workpiece and can detect the lateral force of the workpiece and the change of the lateral force during the welding process, so as to meet the needs of welding test research and welding production; under the action of the air cylinder or hydraulic cylinder, through the connecting rod The pressing mechanism presses the workpiece tightly. Since the contact part between the pressure head and the workpiece is made of nylon material, the nylon will not scratch the surface of the workpiece. The fixture described in the utility model is suitable for the welding of butt welds and lap welds of plates. It can steplessly adjust the assembly gap of two welding test plates within a certain range, and can collect the transverse force in the welding process, which can provide Important data has strong practicability; the fixture described in the utility model has the advantages of precise adjustment, high efficiency, no damage to the workpiece, long service life, and convenient operation.
为了达到更好的效果，本实用新型所述搅拌摩擦焊通用夹具还可以优选地采用以下方式： In order to achieve a better effect, the friction stir welding universal fixture described in the utility model can also preferably adopt the following methods:
1、所述焊接垫板两端还设有与焊接垫板平齐的端部引出板。其作用在于固定用于引出质量不稳定的起端和末端焊缝，兼具纵向即焊接方向定位块的作用。 1. Both ends of the welding backing plate are also provided with end lead-out plates that are flush with the welding backing plate. Its function is to fix the start and end welds used to lead out unstable quality, and it also acts as a positioning block in the longitudinal direction, that is, in the welding direction.
2、所述焊接垫板两侧还设有铝板制成的支撑板。其作用在于支撑工件非焊接部位，同时具有散热作用。 2. Support plates made of aluminum plates are also provided on both sides of the welding backing plate. Its function is to support the non-welding part of the workpiece, and at the same time it has the effect of heat dissipation.
附图说明 Description of drawings
图1为本实用新型实施例的主视图。 Fig. 1 is the front view of the utility model embodiment.
图2为图1的侧视图。 FIG. 2 is a side view of FIG. 1 .
图中各件号说明： Description of each part number in the figure:
1-底座，2-端部引出板，3-螺杆顶紧机构，4-连杆压紧机构，5-支撑板，6-横向定位块，7-焊接垫板；8-风缸。 1-base, 2-end lead-out plate, 3-screw jacking mechanism, 4-connecting rod pressing mechanism, 5-support plate, 6-horizontal positioning block, 7-welding backing plate; 8-air cylinder.
具体实施方式 detailed description
下面结合附图1至2对本实用新型作进一步详细描述。 Below in conjunction with accompanying drawing 1 to 2 the utility model is described in further detail.
本实用新型所述搅拌摩擦焊通用夹具由以下几部分组成： The universal clamp for friction stir welding described in the utility model is composed of the following parts:
如图1和图2所示，底座1，用以固定其他零部件，本实用新型所述夹具通过底座1和T型螺栓固定在搅拌摩擦焊设备的工作台上。 As shown in Figures 1 and 2, the base 1 is used to fix other components, and the fixture described in the utility model is fixed on the workbench of the friction stir welding equipment through the base 1 and T-shaped bolts.
焊接垫板7，采用热作模具钢制作，固定在底座1上表面，用来支撑焊缝背面，硬度在45～52RHC之间，具有优异的耐高温性能，长期焊接不会发生软化和焊缝背面粘连现象。 The welding backing plate 7 is made of hot work die steel and fixed on the upper surface of the base 1 to support the back of the weld seam. The hardness is between 45 and 52RHC, and it has excellent high temperature resistance. Long-term welding will not cause softening and weld seam Adhesion on the back.
支撑板5，采用铝板制作，设置在焊接垫板两侧，对非工件焊缝的两侧焊接部位起到支撑作用，同时具有散热作用。 The support plate 5 is made of aluminum plate, and is arranged on both sides of the welding backing plate, and supports the welding parts on both sides of the non-workpiece welding seam, and also has a cooling effect.
横向定位块6，位于支撑板5的一侧，其高于支撑板5，用于工件宽度方向的定位和限位，所谓宽度方向是指在板材工件表面与焊接方向垂直的方向。 The lateral positioning block 6 is located on one side of the support plate 5, which is higher than the support plate 5, and is used for positioning and limiting in the width direction of the workpiece. The so-called width direction refers to the direction perpendicular to the welding direction on the surface of the plate workpiece.
若干螺杆顶紧机构3，依次排列固定在底座1两侧，每个螺杆顶紧机构3与横向定位块6对应并位置相对。螺杆顶紧机构3在其端部串联有压力传感器，既可通过旋动螺杆任意设置工件的装配间隙，也能检测工件横向顶紧力大小和焊接过程中横向力的变化情况。 A plurality of screw tightening mechanisms 3 are arranged and fixed on both sides of the base 1 in sequence, and each screw tightening mechanism 3 corresponds to and is opposite to the transverse positioning block 6 . The screw jacking mechanism 3 has a pressure sensor connected in series at its end, which can arbitrarily set the assembly gap of the workpiece by turning the screw, and can also detect the magnitude of the lateral jacking force of the workpiece and the change of the lateral force during the welding process.
若干连杆压紧机构4，依次排列固定在底座1两侧，与螺杆顶紧机构3对应并位置相邻，其压头高度可调节，以适应不同厚度工件的装夹，压头与工件接触部位为尼龙材料，尼龙不会划伤铝合金工件表面。 A number of connecting rod pressing mechanisms 4 are arranged in sequence and fixed on both sides of the base 1, corresponding to and adjacent to the screw pressing mechanism 3, and the height of the pressure head can be adjusted to adapt to the clamping of workpieces with different thicknesses. The pressure head is in contact with the workpiece The part is made of nylon material, and nylon will not scratch the surface of the aluminum alloy workpiece.
风缸8，与连杆压紧机构4相连，由风缸8驱动连杆压紧机构4，从而为工件提供压紧力。 The air cylinder 8 is connected with the connecting rod pressing mechanism 4, and the connecting rod pressing mechanism 4 is driven by the air cylinder 8 to provide a pressing force for the workpiece.
端部引出板2，位于焊接垫板7的两端，其工作面与焊接垫板平齐，端部引出板固定装置2用于引出质量不稳定的起端和末端焊缝，兼具纵向定位块的作用。所谓纵向是指与焊缝平行的方向。 The end lead-out plate 2 is located at both ends of the welding backing plate 7, and its working surface is flush with the welding backing plate. The end lead-out plate fixing device 2 is used to lead out the start and end welds with unstable quality, and also has longitudinal positioning The role of the block. The so-called longitudinal direction refers to the direction parallel to the weld seam.
如上所述，结合附图和实施例所给出的方案内容，可以衍生出类似的技术方案。但凡是未脱离本实用新型技术方案的内容，依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本实用新型技术方案的范围内。 As mentioned above, a similar technical solution can be derived in combination with the solutions presented in the drawings and the embodiments. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the scope of the technical solution of the utility model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420582401.8U CN204277210U (en) | 2014-10-10 | 2014-10-10 | A kind of friction stir welding universal fixturing |
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| CN201420582401.8U CN204277210U (en) | 2014-10-10 | 2014-10-10 | A kind of friction stir welding universal fixturing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583515A (en) * | 2016-02-25 | 2016-05-18 | 陕西飞机工业（集团）有限公司 | Automatic fixture and method for stir friction spot welding |
| CN105689886A (en) * | 2016-04-25 | 2016-06-22 | 抚顺金源科技机械制造有限公司 | Lateral extrusion tool used for stirring friction butt welding of plate |
| CN107378229A (en) * | 2017-04-10 | 2017-11-24 | 南昌航空大学 | A kind of manufacture method and device for increasing material for composite agitating friction near-net-shape |
| CN109079309A (en) * | 2018-09-08 | 2018-12-25 | 苏州融硕精密机械有限公司 | A kind of stirring friction welding system and its clamp control method |
| CN112536524A (en) * | 2020-12-17 | 2021-03-23 | 郑州明泰交通新材料有限公司 | Subway vehicle body friction stir welding frock |
| CN114043069A (en) * | 2021-11-08 | 2022-02-15 | 陕西飞机工业有限责任公司 | Semi-automatic device for friction stir welding of large aircraft floor assembly |
-
2014
- 2014-10-10 CN CN201420582401.8U patent/CN204277210U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583515A (en) * | 2016-02-25 | 2016-05-18 | 陕西飞机工业（集团）有限公司 | Automatic fixture and method for stir friction spot welding |
| CN105583515B (en) * | 2016-02-25 | 2018-03-02 | 陕西飞机工业（集团）有限公司 | A kind of friction stir spot welding method |
| CN105689886A (en) * | 2016-04-25 | 2016-06-22 | 抚顺金源科技机械制造有限公司 | Lateral extrusion tool used for stirring friction butt welding of plate |
| CN107378229A (en) * | 2017-04-10 | 2017-11-24 | 南昌航空大学 | A kind of manufacture method and device for increasing material for composite agitating friction near-net-shape |
| CN109079309A (en) * | 2018-09-08 | 2018-12-25 | 苏州融硕精密机械有限公司 | A kind of stirring friction welding system and its clamp control method |
| CN112536524A (en) * | 2020-12-17 | 2021-03-23 | 郑州明泰交通新材料有限公司 | Subway vehicle body friction stir welding frock |
| CN114043069A (en) * | 2021-11-08 | 2022-02-15 | 陕西飞机工业有限责任公司 | Semi-automatic device for friction stir welding of large aircraft floor assembly |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
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Granted publication date: 20150422 |