Rapid pressing mechanism for laser welding

Abstract

The utility model discloses a laser welding rapid pressing mechanism, and relates to the technical field of laser welding. The pressing device comprises a supporting plate, a groove is formed in the top end of the supporting plate, a through groove is formed in the outer side of the supporting plate, the through groove is communicated with the groove, and a pressing assembly is arranged in the groove. The telescopic end of the electric telescopic rod drives the pressing disc to move, the pressing disc is matched with the rotating disc to press a welding piece, the end of the output shaft of the motor drives the rotating shaft to rotate, the rotating shaft drives the rotating disc to rotate, and the rotating disc drives the welding piece to rotate, so that the situation that rotary welding cannot be conducted when the disc is pressed and fixed can be avoided; therefore, the purpose of convenient welding is achieved. The connecting shaft drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear meshed with the second bevel gear, the first bevel gear drives the threaded rod to move, the threaded rod drives the supporting plate to move, and then the height of the supporting plate is adjusted, so that the situation that the rotating disc and a welding piece are not concentric can be avoided, and the purpose of convenient adjustment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a laser welding rapid pressing mechanism. Background Art

[0002] Laser welding is usually used as an efficient and economical operation method. It uses high-energy laser pulses to locally heat the material in a small area. It is a non-contact welding method with small focusing photoelectricity and high positioning accuracy. During the welding process, the welded parts need to be pressed and fixed before completing the welding process.

[0003] Most existing pressing mechanisms only press and fix the welded parts, but cannot rotate the disc-shaped welded parts, which makes welding difficult. Utility Model Content

[0004] In order to solve the problem that the welded parts can only be pressed and fixed but cannot be rotated, the utility model aims to provide a laser welding rapid pressing mechanism.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a laser welding rapid pressing mechanism comprises a supporting plate, the top end of the supporting plate is provided with a groove, the outer side of the supporting plate is provided with a through groove, the through groove is communicated with the groove, a pressing assembly is arranged inside the groove, and the pressing assembly comprises a pressure plate, the pressure plate is located inside the through groove, a fixing plate is fixedly arranged inside the through groove, an electric telescopic rod is fixedly arranged on a side of the fixing plate away from the pressure plate, the telescopic end of the electric telescopic rod movably passes through the fixing plate and is rotatably connected to one side of the pressure plate, a rotating shaft is rotatably installed on the inner wall of the groove, a rotating disk is fixedly arranged on one end of the rotating shaft, a supporting plate is slidingly arranged inside the groove, an adjusting assembly is arranged at the bottom of the supporting plate, and the pressure plate is driven to move by the telescopic end of the electric telescopic rod. The pressure plate and the turntable cooperate to press the welding part, and then the turntable is driven to rotate by the rotating shaft, so that the turntable drives the welding part to rotate. This can avoid the situation that the disc cannot be rotated for pressing and fixing. A mounting plate is fixedly provided at the bottom of the support plate, and mounting holes distributed in a rectangular array are opened on the outer side of the mounting plate. The mounting plate is fixed to the laser welding equipment by bolts passing through the mounting holes. A motor is fixedly provided on the side of the support plate away from the through groove. The end of the motor output shaft movably passes through the support plate and is fixedly connected to one end of the rotating shaft. The motor can provide power for the rotation of the rotating shaft. Rollers distributed in a ring array are rotatably installed on the upper surface of the support plate. The rollers can reduce the friction between the welding part and the support plate. The pressure plate and the turntable are coaxially symmetrical, so that the turntable and the pressure plate can rotate coaxially.

[0006] Preferably, the adjusting assembly comprises a threaded rod, the top of the threaded rod is fixedly connected to the bottom of the support plate, a cavity is opened inside the support plate, the bottom end of the threaded rod movably passes through the support plate and is inserted in the cavity, the bottom end of the threaded rod is threadedly sleeved with a first bevel gear, one side of the first bevel gear is rotatably installed on the top of the inner wall of the cavity, the outer side of the first bevel gear is meshed with a second bevel gear, the outer side of the support plate movably passes through a connecting shaft, one end of the connecting shaft is inserted in the cavity and fixedly connected to one side of the second bevel gear, the second bevel gear is driven to rotate by the connecting shaft, and the second bevel gear drives the first bevel gear meshed therewith, so that the first bevel gear drives the threaded rod to move, and the threaded rod drives the support plate to move, thereby adjusting the height of the support plate so that the welding part and the turntable can rotate concentrically, so as to avoid the situation that the turntable and the welding part are not concentric, the bottom end of the threaded rod is fixedly provided with a limit plate, and the limit plate can prevent the threaded rod from being disconnected from the first bevel gear, and the end of the connecting shaft away from the second bevel gear is fixedly provided with a rotating wheel, and the connecting shaft can be rotated by the rotating wheel.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The telescopic end of the electric telescopic rod drives the pressure plate to move, and the pressure plate and the turntable cooperate to press the weldment, and then the end of the motor output shaft drives the shaft to rotate, and the shaft drives the turntable to rotate, so that the turntable drives the weldment to rotate, which can avoid the situation that the disc is pressed and fixed and cannot be rotated for welding, thereby achieving the purpose of facilitating welding;

[0009] 2. The second bevel gear is driven to rotate by the connecting shaft, and the second bevel gear drives the first bevel gear meshing with it, so that the first bevel gear drives the threaded rod to move, and the threaded rod drives the support plate to move, thereby adjusting the height of the support plate. This can avoid the situation where the turntable and the welded parts are not concentric, thereby achieving the purpose of convenient adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the structural section of the utility model.

[0013] Figure 3It is a schematic diagram of the structural support plate and roller of the utility model.

[0014] In the figure: 1. support plate; 2. pressing assembly; 21. pressure plate; 22. electric telescopic rod; 23. rotating shaft; 24. rotating plate; 25. supporting plate; 26. adjusting assembly; 261. threaded rod; 262. cavity; 263. first bevel gear; 264. second bevel gear; 265. connecting shaft; 266. limiting plate; 267. rotating wheel; 27. motor; 28. fixing plate; 29. ​​roller; 3. groove; 4. through groove; 5. mounting plate; 6. mounting hole. DETAILED DESCRIPTION

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

[0016] Example: Figure 1-3 As shown, the utility model provides a laser welding rapid pressing mechanism, including a support plate 1, a groove 3 is provided on the top of the support plate 1, a through groove 4 is provided on the outer side of the support plate 1, the through groove 4 is communicated with the groove 3, a pressing assembly 2 is arranged inside the groove 3, and the pressing assembly 2 includes a pressure plate 21, the pressure plate 21 is located inside the through groove 4, a fixing plate 28 is fixedly provided inside the through groove 4, an electric telescopic rod 22 is fixedly provided on the side of the fixing plate 28 away from the pressure plate 21, the telescopic end of the electric telescopic rod 22 movably passes through the fixing plate 28 and is rotatably connected to one side of the pressure plate 21, a rotating shaft 23 is rotatably installed on the inner wall of the groove 3, a rotating disk 24 is fixedly provided on one end of the rotating shaft 23, a supporting plate 25 is provided on the sliding card inside the groove 3, and an adjusting assembly 26 is arranged on the bottom of the supporting plate 25, the pressure plate 21 is driven to move by the telescopic end of the electric telescopic rod 22, and the pressure plate 21 cooperates with the rotating disk 24 to weld The connecting parts are pressed tightly, and then the turntable 24 is driven to rotate by the rotating shaft 23, so that the turntable 24 drives the welding parts to rotate. This can avoid the situation where the disc cannot be rotated and welded after being pressed and fixed. A mounting plate 5 is fixedly arranged at the bottom of the support plate 1. The outer side of the mounting plate 5 is provided with mounting holes 6 distributed in a rectangular array. The mounting plate 5 is fixed to the laser welding equipment by bolts passing through the mounting holes 6. A motor 27 is fixedly arranged on the side of the support plate 1 away from the through groove 4. The end of the output shaft of the motor 27 movably passes through the support plate 1 and is fixedly connected to one end of the rotating shaft 23. The motor 27 can provide power for the rotation of the rotating shaft 23. The upper surface of the support plate 25 is rotatably installed with rollers 29 distributed in a ring array. The rollers 29 can reduce the friction between the welding parts and the support plate 25. The pressure plate 21 and the turntable 24 are coaxially symmetrical, so that the turntable 24 and the pressure plate 21 can rotate coaxially.

[0017] The adjusting assembly 26 includes a threaded rod 261, the top of which is fixedly connected to the bottom of the support plate 25, a cavity 262 is provided inside the support plate 1, the bottom end of the threaded rod 261 movably passes through the support plate 1 and is inserted into the cavity 262, a first bevel gear 263 is threadedly sleeved on the bottom end of the threaded rod 261, one side of the first bevel gear 263 is rotatably mounted on the top of the inner wall of the cavity 262, a second bevel gear 264 is meshed on the outer side of the first bevel gear 263, the outer side of the support plate 1 movably passes through a connecting shaft 265, one end of the connecting shaft 265 is inserted into the cavity 262 and fixedly connected to one side of the second bevel gear 264, and the first bevel gear 263 is driven by the connecting shaft 265. The second bevel gear 264 rotates, and the second bevel gear 264 drives the first bevel gear 263 meshing therewith, so that the first bevel gear 263 drives the threaded rod 261 to move, and the threaded rod 261 drives the support plate 25 to move, and then the height of the support plate 25 is adjusted so that the welding part and the turntable 24 can rotate concentrically, which can avoid the situation where the turntable 24 and the welding part are not concentric. A limit plate 266 is fixedly provided at the bottom end of the threaded rod 261, and the limit plate 266 can prevent the threaded rod 261 from being disconnected from the first bevel gear 263. A rotating wheel 267 is fixedly provided at the end of the connecting shaft 265 away from the second bevel gear 264, and the connecting shaft 265 can be rotated by the rotating wheel 267.

[0018] Working principle: First, fix the mounting plate 5 on the laser welding equipment by passing the bolts through the mounting holes 6, so that the device can be easily installed. Then, hold the rotating wheel 267 and rotate it, the rotating wheel 267 drives the connecting shaft 265 to rotate, the connecting shaft 265 drives the second bevel gear 264 to rotate, the second bevel gear 264 drives the first bevel gear 263 meshing therewith, so that the first bevel gear 263 drives the threaded rod 261 to move, the threaded rod 261 drives the support plate 25 to move, and then adjust the height of the support plate 25 so that the weldment and the turntable 24 can rotate concentrically, so as to avoid the situation that the turntable 24 and the weldment are not concentric, thereby achieving convenient adjustment. The purpose of the section is achieved. Then, the disc-shaped part to be welded is inserted into the groove 3 and placed on the support plate 25, and the electric telescopic rod 22 is started, so that the electric telescopic rod 22 starts to work, and the telescopic end of the electric telescopic rod 22 drives the pressure plate 21 to move, and the pressure plate 21 cooperates with the turntable 24 to press the welded part, and then the motor 27 is started, so that the motor 27 starts to work, and the end of the output shaft of the motor 27 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the turntable 24 to rotate, so that the turntable 24 drives the welded part to rotate, so that the situation that the disc is pressed and fixed and cannot be rotated for welding can be avoided, thereby achieving the purpose of facilitating welding, and at the same time, the laser welding equipment welds the joints of the welded parts.

[0019] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A laser welding rapid pressing mechanism, comprising a support plate (1), characterized in that: A groove (3) is formed at the top of the support plate (1), and a through groove (4) is formed on the outer side of the support plate (1). The through groove (4) is communicated with the groove (3). A pressing assembly (2) is arranged inside the groove (3). The pressing assembly (2) comprises a pressure plate (21). The pressure plate (21) is located inside the through groove (4). A fixing plate (28) is fixed inside the through groove (4). An electric telescopic rod (22) is fixed on a side of the fixing plate (28) away from the pressure plate (21). The telescopic end of the electric telescopic rod (22) movably passes through the fixing plate (28) and is rotatably connected to one side of the pressure plate (21). A rotating shaft (23) is rotatably mounted on the inner wall of the groove (3). A rotating disk (24) is fixedly arranged at one end of the rotating shaft (23). A supporting plate (25) is slidingly provided inside the groove (3). An adjusting assembly (26) is arranged at the bottom of the supporting plate (25).

2. The laser welding rapid pressing mechanism according to claim 1, characterized in that: The adjusting assembly (26) comprises a threaded rod (261), the top end of the threaded rod (261) is fixedly connected to the bottom of the supporting plate (25), a cavity (262) is provided inside the supporting plate (1), the bottom end of the threaded rod (261) movably passes through the supporting plate (1) and is inserted into the cavity (262), a first bevel gear (263) is threadedly sleeved on the bottom end of the threaded rod (261), one side of the first bevel gear (263) is rotatably mounted on the top of the inner wall of the cavity (262), a second bevel gear (264) is meshed on the outer side of the first bevel gear (263), the outer side of the supporting plate (1) movably passes through a connecting shaft (265), one end of the connecting shaft (265) is inserted into the cavity (262) and is fixedly connected to one side of the second bevel gear (264).

3. The laser welding rapid pressing mechanism according to claim 1, characterized in that: A mounting plate (5) is fixedly provided at the bottom of the support plate (1), and mounting holes (6) distributed in a rectangular array are provided on the outer side of the mounting plate (5).

4. The laser welding rapid pressing mechanism according to claim 1, characterized in that: A motor (27) is fixedly provided on one side of the support plate (1) away from the through slot (4), and an end portion of an output shaft of the motor (27) movably passes through the support plate (1) and is fixedly connected to one end of the rotating shaft (23).

5. The laser welding rapid pressing mechanism according to claim 2, characterized in that: A limiting plate (266) is fixedly provided at the bottom end of the threaded rod (261).

6. The laser welding rapid pressing mechanism according to claim 2, characterized in that: A rotating wheel (267) is fixedly provided at one end of the connecting shaft (265) away from the second bevel gear (264).

7. The laser welding rapid pressing mechanism according to claim 1, characterized in that: Rollers (29) distributed in a ring array are rotatably mounted on the upper surface of the support plate (25).

8. The laser welding rapid pressing mechanism according to claim 1, characterized in that: The pressure plate (21) and the rotating plate (24) are coaxially symmetrical.

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