Friction stir welding table with protection structure

Abstract

The invention relates to the field of friction stir welding tables, and discloses a friction stir welding table with a protection structure, which comprises a bottom plate, telescopic rods are connected to the two sides of the top of the bottom plate, a top plate is connected to the tops of the telescopic rods, a protection mechanism is connected to the bottom of the top plate, and the protection mechanism comprises two supporting arms. The top of the supporting arm is connected with a stress arm through a hinge. According to the friction stir welding table with the protection structure, in the process that a workpiece is machined through friction stir welding, the workpiece is firstly stirred, the situation that in the stirring process, the workpiece generates waste chips and flies off is avoided, and the situation that the flies-off workpiece waste chips impact the bodies of surrounding workers, and consequently damage is caused is avoided; and the moving clamping plate corrects the position of the workpiece on the top of the top plate and limits the workpiece at the same time, so that the workpiece is prevented from shaking due to the external environment in the machining process, and machining deviation caused by friction stir welding is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of friction stir welding platforms, in particular to a friction stir welding platform with a protective structure. Background Art

[0002] Friction stir welding is a solid-state welding technology that uses the heat generated by friction and mechanical stirring to join the workpieces together. Friction stir welding is usually suitable for materials that are difficult to weld by traditional methods, such as aluminum alloys, magnesium alloys and titanium alloys. During the process of processing the workpiece, a welding table is required to support the workpiece.

[0003] During the process of stir friction welding, the workpiece will be stirred first. The stirring process will cause the workpiece to produce waste chips and scatter. The scattered workpiece waste chips will cause harm to the surrounding workers. Summary of the invention

[0004] (1) Technical problems solved In view of the deficiencies in the prior art, the present invention provides a friction stir welding station with a protective structure to solve the above-mentioned technical problems.

[0005] (2) Technical solution To achieve the above-mentioned purpose, the present invention provides the following technical solution: a stir friction welding table with a protective structure, comprising a bottom plate, both sides of the top of the bottom plate are connected to telescopic rods, the top of the telescopic rods is connected to a top plate, and the bottom of the top plate is connected to a protective mechanism.

[0006] The protection mechanism includes two support arms, the top of the support arms is connected to a force-bearing arm through a hinge, the opposite ends of the two force-bearing arms are connected to a push arm through a pin A, the top of the push arm is connected to the bottom of the top plate, the ends of the two force-bearing arms that are far away are connected to a short arm through a pin B, the top of the short arm is connected to a protective glass, the inside of the protective glass is slidably connected to the outside of the top plate, and the top of the top plate is connected to a correction mechanism on both sides. The correction mechanism includes a transmission arm, the top of the transmission arm is connected to a connecting block through a hinge A, the top of the connecting block is connected to a clamping plate through a guide block, and the bottom of the transmission arm is connected to the inside of the protection mechanism through a hinge B.

[0007] Preferably, connecting grooves are provided on both sides of the force-bearing arm, and a secondary arm is slidably connected inside the connecting groove. The end of the secondary arm close to the push arm is connected to the pin A, and the end of the secondary arm close to the short arm is connected to the pin B. The secondary arm can prevent the force-bearing arm from conflicting with the short arm and the push arm during the rotation transmission process.

[0008] Preferably, the telescopic rod includes a hollow column, the bottom of the hollow column is connected to the top of the bottom plate, the bottom inside the hollow column is connected to a sliding arm through a spring, the top of the sliding arm is connected to the bottom of the top plate, and the hollow column cooperates with the sliding arm to enable the telescopic rod to be extended and returned.

[0009] Preferably, transverse grooves are provided on both sides of the top of the top plate, the inside of the transverse grooves are slidably connected to the outside of the guide block, and the transverse grooves enable the guide block to perform normal transmission.

[0010] Preferably, the outside of the top plate is provided with cleaning soft bristles, and one end of the cleaning soft bristles away from the top plate is slidably connected to the inside of the protective glass. The bristles can clean the protective glass during the process of raising and lowering it to prevent dust from affecting the transparency of the protective glass.

[0011] Preferably, one end of the clamping plate away from the transmission arm is fixedly connected to a connecting plate, and one end of the connecting plate away from the clamping plate is connected to a soft pad via bolts, so that the soft pad prevents the clamping plate from being worn during the process of clamping the workpiece.

[0012] (3) Beneficial effects Compared with the prior art, the present invention provides a friction stir welding station with a protective structure, which has the following beneficial effects: The friction stir welding table with a protective structure has a workpiece placed on the top of the top plate during use. The top plate is lowered by the weight of the workpiece, and the top plate is protected from the outside by the protective glass during the lowering process. At the same time, the top plate drives the push arm to rotate the force-bearing arm during the lowering process, and the rotating force-bearing arm drives the short arm to drive the protective glass to rise. The protective glass is fully raised to fully protect the outside of the top plate. The staff can observe and process the workpiece on the top of the top plate through the transparent protective glass, so as to prevent the workpiece from being stirred first during the processing of the workpiece by the friction stir welding, avoid the workpiece from generating waste chips and scattering during the stirring process, and avoid the scattered workpiece waste chips from causing harm to the bodies of the surrounding staff. The friction stir welding table with a protective structure has a protective glass that drives the transmission arm to drive the connecting block to move during the rising process. The moving connecting block drives the guide block to drive the clamping plate to move on the top of the top plate. The moving clamping plate corrects the position of the workpiece on the top of the top plate and limits the workpiece at the same time to prevent the workpiece from shaking due to the external environment during the processing, thereby avoiding deviation in the processing of the friction stir welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front schematic diagram of the present invention; Figure 2 It is a front cross-sectional view of the present invention; Figure 3It is a front cross-sectional view of the protection mechanism of the present invention; Figure 4 It is a front schematic diagram of the correction mechanism of the present invention.

[0014] In the figure: 1. bottom plate; 2. telescopic rod; 3. top plate; 4. protective mechanism; 41. supporting arm; 42. force arm; 43. pushing arm; 44. short arm; 45. protective glass; 5. correction mechanism; 51. transmission arm; 52. connecting block; 53. guide block; 54. clamping plate. Implementation

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] The present invention provides a technical solution, a friction stir welding platform with a protective structure, including a bottom plate 1 for connecting components, see Figure 1 and Figure 2 The top of the bottom plate 1 is connected to both sides with telescopic rods 2 that can telescopically support the top plate 3. The telescopic rods 2 include a hollow column of a connecting component. The bottom of the hollow column is connected to the top of the bottom plate 1. The bottom of the hollow column is connected to a sliding arm that can slide inside the hollow column through a spring. Figure 1 and Figure 2 The top of the sliding arm is connected to the bottom of the top plate 3, the top of the telescopic rod 2 is connected to the load-bearing top plate 3, and the outside of the top plate 3 is provided with cleaning soft bristles for cleaning the inside of the protective glass 45, and the end of the cleaning soft bristles away from the top plate 3 is slidably connected to the inside of the protective glass 45.

[0017] See also Figure 1 and Figure 2 Both sides of the top of the top plate 3 are provided with transverse grooves for facilitating the transmission of the guide block 53. The inside of the transverse groove is slidably connected to the outside of the guide block 53. The bottom of the top plate 3 is connected with a protective mechanism 4 that can protect the outside of the top plate 3.

[0018] See also Figure 3 The protection mechanism 4 includes a support arm 41 of two connecting components, and the top of the support arm 41 is connected to a rotatable force-bearing arm 42 through a hinge. Both sides of the force-bearing arm 42 are provided with connecting grooves of the connecting components, and the inside of the connecting groove is slidably connected to a secondary arm that can be retracted inside the force-bearing arm 42.

[0019] See also Figure 3One end of the auxiliary arm close to the push arm 43 is connected to the pin A, and one end of the auxiliary arm close to the short arm 44 is connected to the pin B. The opposite ends of the two force-bearing arms 42 are connected to the transmission push arm 43 through the pin A.

[0020] See also Figure 3 The top of the push arm 43 is connected to the bottom of the top plate 3, and the ends of the two force-bearing arms 42 that are separated from each other are connected to a transmission short arm 44 through a pin shaft B. The top of the short arm 44 is connected to a protective glass 45 that can protect the outside of the top plate 3. Figure 3 The inside of the protective glass 45 is slidably connected to the outside of the top plate 3 , and both sides of the top of the top plate 3 are connected with a correction mechanism 5 that can limit and correct the workpiece on the top of the top plate 3 .

[0021] See also Figure 4 The correction mechanism 5 includes a transmission arm 51, the top of the transmission arm 51 is connected to a transmission connecting block 52 through a hinge A, and the top of the connecting block 52 is connected to a clamping plate 54 that can limit and correct the workpiece on the top of the top plate 3 through a guide block 53 of the connecting assembly.

[0022] See also Figure 4 One end of the clamping plate 54 away from the transmission arm 51 is fixedly connected to a connecting plate, and one end of the connecting plate away from the clamping plate 54 is bolted to a soft pad to prevent the clamping plate 54 from scratching the workpiece. The bottom of the transmission arm 51 is connected to the inside of the protective mechanism 4 through a hinge B.

[0023] The working principle of this device: during use, the workpiece is placed on the top of the top plate 3, and the top plate 3 is lowered due to the weight of the workpiece. During the descending process, the top plate 3 is protected from the outside by the protective glass 45. At the same time, during the descending process, the top plate 3 drives the push arm 43 to drive the force arm 42 to rotate, and the rotating force arm 42 drives the short arm 44 to drive the protective glass 45 to rise. The protective glass 45 rises completely to provide comprehensive protection for the outside of the top plate 3. The staff can observe and process the workpiece on the top of the top plate 3 through the transparent protective glass 45 to prevent the workpiece from being stirred first during the processing of the workpiece by stir friction welding, to avoid the workpiece from generating waste chips and scattering during the stirring process, and to avoid the scattered workpiece waste chips from causing harm to the bodies of the surrounding staff. During the rising process, the protective glass 45 drives the transmission arm 51 to drive the connecting block 52 to move. The moving connecting block 52 drives the guide block 53 to drive the clamping plate 54 to move on the top of the top plate 3. The moving clamping plate 54 corrects the position of the workpiece on the top of the top plate 3 and limits the workpiece at the same time to prevent the workpiece from shaking due to the external environment during the processing, thereby avoiding deviations in the processing of the stir friction welding.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A friction stir welding station with a protective structure, comprising a bottom plate (1), characterized in that: Both sides of the top of the bottom plate (1) are connected to telescopic rods (2), the top of the telescopic rods (2) is connected to a top plate (3), and the bottom of the top plate (3) is connected to a protective mechanism (4); The protective mechanism (4) comprises two support arms (41), the top of the support arm (41) is connected to a load-bearing arm (42) via a hinge, the opposite ends of the two load-bearing arms (42) are connected to a push arm (43) via a pin A, the top of the push arm (43) is connected to the bottom of the top plate (3), the ends of the two load-bearing arms (42) away from each other are connected to a short arm (44) via a pin B, the top of the short arm (44) is connected to a protective glass (45), the inside of the protective glass (45) is slidably connected to the outside of the top plate (3), and both sides of the top of the top plate (3) are connected to a correction mechanism (5); The correction mechanism (5) comprises a transmission arm (51), the top of the transmission arm (51) is connected to a connection block (52) via a hinge A, the top of the connection block (52) is connected to a clamping plate (54) via a guide block (53), and the bottom of the transmission arm (51) is connected to the inside of the protection mechanism (4) via a hinge B.

2. The friction stir welding station with a protective structure according to claim 1, characterized in that: The force-bearing arm (42) is provided with connection grooves on both sides, and a secondary arm is slidably connected inside the connection groove. One end of the secondary arm close to the push arm (43) is connected to the pin A, and one end of the secondary arm close to the short arm (44) is connected to the pin B.

3. The friction stir welding station with a protective structure according to claim 2, characterized in that: The telescopic rod (2) comprises a hollow column, the bottom of which is connected to the top of the bottom plate (1), the bottom of the hollow column is connected to a sliding arm via a spring, and the top of the sliding arm is connected to the bottom of the top plate (3).

4. The friction stir welding station with a protective structure according to claim 1, characterized in that: Both sides of the top of the top plate (3) are provided with transverse grooves, and the interior of the transverse grooves is slidably connected to the exterior of the guide block (53).

5. The friction stir welding station with a protective structure according to claim 4, characterized in that: The outside of the top plate (3) is provided with cleaning soft bristles, and one end of the cleaning soft bristles away from the top plate (3) is slidably connected to the inside of the protective glass (45).

6. The friction stir welding station with a protective structure according to claim 1, characterized in that: One end of the clamping plate (54) away from the transmission arm (51) is fixedly connected to a connecting plate, and one end of the connecting plate away from the clamping plate (54) is connected to a soft pad via bolts.

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