Welding station for assembly line machining

Abstract

The utility model discloses a welding station for assembly line processing in the field of assembly line welding stations, which comprises a bottom plate, a welding robot and a replacement mechanism, the welding robot is fixedly connected to the middle of the left side and the right side of the top of the bottom plate, and the replacement mechanism is fixedly connected to the middle of the top of the bottom plate. According to the welding station for assembly line machining, firstly, workpieces are placed on the clamping mechanism, the workpieces on the left side and the right side are welded through the welding robot, after welding is finished, a fixing rod is pulled, a pressing plate ascends, a reset spring is extruded, meanwhile, the fixing rod retreats from the interior of a fixing hole in the front portion, and a rotating frame deflects by 90 degrees; according to the automatic welding device, the unwelded workpieces are switched to the welding robot, the welded workpieces are disassembled while welding is conducted, and new workpieces are installed, so that the workpiece replacement time is greatly shortened, the workpiece welding machining efficiency is improved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly line welding stations, in particular to a welding station used for assembly line processing. Background Art

[0002] Welding, also known as fusion, is a technology that joins metal workpieces by heating, high temperature or high pressure. With the progress of society and the development of industry, welding technology has been widely used in national economic and social production activities. Welding robots are often used in some assembly line workstations to improve welding efficiency.

[0003] The welding stations on the current assembly lines are usually linear. After processing a group of workpieces, they need to be transported away and then the next group of workpieces are moved to the processing station, which makes the replacement interval long, so the processing efficiency needs to be improved. For this reason, we proposed a welding station for assembly line processing. Utility Model Content

[0004] The utility model aims to provide a welding station for assembly line processing, so as to solve the problem in the background technology that the workpiece replacement interval of the welding station on the current assembly line is long, so that the processing efficiency needs to be improved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding station for assembly line processing, comprising a base plate, a welding robot and a replacement mechanism, the welding robot is fixedly connected to the middle part of the left and right sides of the top of the base plate, the replacement mechanism is fixedly connected to the middle part of the top of the base plate, the replacement mechanism comprises a support platform, a rotating shaft, a rotating frame, a fixing hole, an L-shaped plate, a fixing rod, a pressure plate and a reset spring, the middle part of the top of the base plate is fixedly connected to the support platform, the middle part of the top and bottom of the inner cavity of the support platform is rotatably connected with the rotating shaft, the top end of the rotating shaft is fixedly connected to the rotating frame, the middle part of the front, rear, left and right sides of the top of the rotating frame are penetrated with fixing holes, the middle part of the front side of the top of the support platform is fixedly connected with the L-shaped plate, the middle part of the rear part of the top of the L-shaped plate is slidably connected with the fixing rod, the bottom outside the fixing rod is fixedly connected with the pressure plate, and the top edge of the pressure plate is fixedly connected with the reset spring.

[0006] As a further description of the above technical solution:

[0007] The diameter of the fixing hole is equal to the diameter of the bottom end of the fixing rod, and a disc is fixedly connected to the top end of the fixing rod.

[0008] As a further description of the above technical solution:

[0009] The return spring is sleeved on the outside of the fixing rod, and the top end of the return spring is fixedly connected to the bottom of the L-shaped plate.

[0010] As a further description of the above technical solution:

[0011] The front, rear, left and right sides of the top of the rotating frame are fixedly connected with a clamping mechanism, and the clamping mechanism includes an installation box, a movable slot, a servo motor, a gear, a sliding rod, a rack, a connecting block and a clamping plate. The front, rear, left and right sides of the top of the rotating frame are fixedly connected with the installation box, and a movable slot is opened through the front and rear sides of the top of the installation box. The middle part of the bottom of the inner cavity of the installation box is fixedly connected with the servo motor, and the top outside the servo motor output shaft is fixedly connected with a gear, and the front and rear parts of the top of the left and right sides of the inner cavity of the installation box are fixedly connected with sliding rods, and the left side of the rear sliding rod and the right side of the front sliding rod are slidably connected with racks, and the left side of the top of the rear rack and the right side of the top of the front rack are fixedly connected with connecting blocks, and the top of the connecting block is fixedly connected with a clamping plate.

[0012] As a further description of the above technical solution:

[0013] The rack is meshed with the outer edge of the gear through tooth patterns, and a baffle is fixedly connected to the left end of the front rack and the right end of the rear rack.

[0014] As a further description of the above technical solution:

[0015] The input end of the servo motor is electrically connected to the output end of the external power supply, the rear connection block is slidably connected to the inside of the rear moving groove, and the front connection block is slidably connected to the inside of the front moving groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The welding station used for assembly line processing first places the workpiece on the clamping mechanism, and welds the workpieces on the left and right sides through the welding robot. After welding, pull the fixing rod to raise the pressure plate to squeeze the reset spring, and at the same time withdraw the fixing rod from the front fixing hole to deflect the rotating frame by ninety degrees, so that the unwelded workpiece is switched to the welding robot. While welding, the welded workpiece is removed and the new workpiece is installed, thereby greatly reducing the time for workpiece replacement, improving the efficiency of workpiece welding processing, and improving the practicality of the device.

[0018] 2. The welding station used for assembly line processing places the workpiece on the top of the installation box, starts the servo motor, drives the gear to rotate, so that the racks move toward each other, drives the connecting blocks to move toward each other, and thus the clamps move toward each other, clamping the workpiece to fix the workpiece, avoiding the workpiece from loosening during welding, improving the quality of welding, and achieving better welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a welding station for assembly line processing proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a replacement mechanism for a welding station used in assembly line processing proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a clamping mechanism for a welding station used in assembly line processing proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of a rack installation structure of a welding station for assembly line processing.

[0023] In the figure: 100, base plate; 200, welding robot; 300, replacement mechanism; 310, support table; 320, rotating shaft; 330, rotating frame; 340, fixing hole; 350, L-shaped plate; 360, fixing rod; 370, pressure plate; 380, return spring; 400, clamping mechanism; 410, mounting box; 420, moving slot; 430, servo motor; 440, gear; 450, sliding rod; 460, rack; 470, connecting block; 480, splint. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a welding station for assembly line processing, which greatly reduces the time of workpiece replacement, improves the efficiency of workpiece welding processing, and improves the practicality of the device. Figure 1-4 , including a base plate 100, a welding robot 200 and a replacement mechanism 300;

[0028] Please refer again Figure 1 , the base plate 100 is used to install the welding robot 200 and the replacement mechanism 300;

[0029] Please refer again Figure 1 The welding robot 200 is fixedly connected to the middle of the left and right sides of the top of the base plate 100 for welding the workpiece, and the replacement mechanism 300 is fixedly connected to the middle of the top of the base plate 100 for loading;

[0030] Please refer again Figure 2 , the replacement mechanism 300 includes a support table 310, a rotating shaft 320, a rotating frame 330, a fixing hole 340, an L-shaped plate 350, a fixing rod 360, a pressing plate 370 and a return spring 380;

[0031] Please refer again Figure 2 A support platform 310 is fixedly connected to the middle of the top of the bottom plate 100, a rotating shaft 320 is rotatably connected to the middle of the top and bottom of the inner cavity of the support platform 310, a rotating frame 330 is fixedly connected to the top of the rotating shaft 320, and fixing holes 340 are opened in the middle of the front, back, left and right sides of the top of the rotating frame 330;

[0032] Please refer again Figure 2 An L-shaped plate 350 is fixedly connected to the middle of the top front side of the support platform 310, a fixing rod 360 is slidably connected to the middle of the top rear part of the L-shaped plate 350, a pressure plate 370 is fixedly connected to the bottom outside the fixing rod 360, and a return spring 380 is fixedly connected to the top edge of the pressure plate 370.

[0033] To summarize, first, the workpiece is placed on the clamping mechanism 400, and the left and right workpieces are welded by the welding robot 200. After welding, the fixing rod 360 is pulled to raise the pressure plate 370, squeeze the return spring 380, and at the same time, the fixing rod 360 is withdrawn from the front fixing hole 340, so that the rotating frame 330 is deflected ninety degrees, and the unwelded workpiece is switched to the welding robot 200. While welding, the welded workpiece is removed and the new workpiece is installed, thereby greatly reducing the time for workpiece replacement, improving the efficiency of workpiece welding processing, and improving the practicality of the device.

[0034] Please refer again Figure 2 The diameter of the fixing hole 340 is equal to the diameter of the bottom end of the fixing rod 360, and a disc is fixedly connected to the top end of the fixing rod 360.

[0035] Please refer again Figure 2 The return spring 380 is sleeved on the outside of the fixing rod 360 , and the top of the return spring 380 is fixedly connected to the bottom of the L-shaped plate 350 .

[0036] Please refer again Figure 3-4 The front, rear, left and right sides of the top of the rotating frame 330 are all fixedly connected with a clamping mechanism 400, and the clamping mechanism 400 includes a mounting box 410, a moving slot 420, a servo motor 430, a gear 440, a slide bar 450, a rack 460, a connecting block 470 and a clamping plate 480. The front, rear, left and right sides of the top of the rotating frame 330 are all fixedly connected with the mounting box 410, and the moving slot 420 is opened through the front and rear sides of the top of the mounting box 410. The middle part of the bottom of the inner cavity of the mounting box 410 A servo motor 430 is fixedly connected, a gear 440 is fixedly connected to the outer top of the output shaft of the servo motor 430, sliding bars 450 are fixedly connected to the front and rear parts of the top of the left and right sides of the inner cavity of the installation box 410, a rack 460 is slidably connected to the left side of the rear sliding bar 450 and the right side of the front sliding bar 450, a connecting block 470 is fixedly connected to the left side of the top of the rear rack 460 and the right side of the top of the front rack 460, and a splint 480 is fixedly connected to the top of the connecting block 470.

[0037] Please refer again Figure 4 The rack 460 is meshed with the outer edge of the gear 440 through the tooth pattern, and the left end of the front rack 460 and the right end of the rear rack 460 are fixedly connected with a baffle.

[0038] Please refer again Figure 3 The input end of the servo motor 430 is electrically connected to the output end of the external power supply, the rear connecting block 470 is slidably connected to the inside of the rear movable groove 420, and the front connecting block 470 is slidably connected to the inside of the front movable groove 420.

[0039] To summarize, by placing the workpiece on the top of the mounting box 410, starting the servo motor 430, driving the gear 440 to rotate, the rack 460 moves toward each other, driving the connecting block 470 to move toward each other, and the clamping plate 480 moves toward each other, the workpiece is clamped and fixed, avoiding the workpiece from loosening during welding, improving the quality of welding, and achieving better welding effect.

[0040] In specific use, when welding, the technical personnel of this field place the workpiece on the top of the installation box 410, start the servo motor 430, drive the gear 440 to rotate, so that the rack 460 moves towards each other, drives the connecting block 470 to move towards each other, so that the clamping plate 480 moves towards each other, clamps the workpiece, and fixes the workpiece. The welding robot 200 is started to weld the workpieces on the left and right sides. After the welding of the workpieces on the left and right sides is completed, the fixing rod 360 is pulled to make the pressure plate 370 rise, squeeze the return spring 380, and at the same time, the fixing rod 360 is withdrawn. Inside the front fixing hole 340, the rotating frame 330 is deflected ninety degrees, the unwelded workpiece is switched to the welding robot 200, the fixing rod 360 is loosened, and the fixing rod 360 is re-embedded in the fixing hole 340 through the reset spring 380, the rotating frame 330 is fixed, and the unwelded workpiece is continued to be welded. While welding, the servo motors 430 on the front and rear sides are started to reverse the gear 440 and the clamping plate 480, the welded workpiece is removed, the new workpiece is installed, and it is re-fixed, and the above steps are repeated to weld.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A welding station for assembly line processing, characterized in that: The invention comprises a base plate (100), a welding robot (200) and a replacement mechanism (300), wherein the welding robot (200) is fixedly connected to the middle of the left and right sides of the top of the base plate (100), the replacement mechanism (300) is fixedly connected to the middle of the top of the base plate (100), the replacement mechanism (300) comprises a support platform (310), a rotating shaft (320), a rotating frame (330), a fixing hole (340), an L-shaped plate (350), a fixing rod (360), a pressing plate (370) and a reset spring (380), the middle of the top of the base plate (100) is fixedly connected to the support platform (310), the A rotating shaft (320) is rotatably connected through the middle of the top and bottom of the inner cavity of the support platform (310), and a rotating frame (330) is fixedly connected to the top of the rotating shaft (320). Fixing holes (340) are opened through the middle of the front, back, left and right sides of the top of the rotating frame (330). An L-shaped plate (350) is fixedly connected to the middle of the front side of the top of the support platform (310), and a fixing rod (360) is slidably connected to the middle of the rear part of the top of the L-shaped plate (350). A pressure plate (370) is fixedly connected to the bottom outside the fixing rod (360), and a return spring (380) is fixedly connected to the top edge of the pressure plate (370).

2. A welding station for assembly line processing according to claim 1, characterized in that: The diameter of the fixing hole (340) is equal to the diameter of the bottom end of the fixing rod (360), and a disc is fixedly connected to the top end of the fixing rod (360).

3. A welding station for assembly line processing according to claim 1, characterized in that: The return spring (380) is sleeved on the outside of the fixing rod (360), and the top end of the return spring (380) is fixedly connected to the bottom of the L-shaped plate (350).

4. A welding station for assembly line processing according to claim 1, characterized in that: The front, rear, left and right sides of the top of the rotating frame (330) are all fixedly connected with a clamping mechanism (400), and the clamping mechanism (400) includes a mounting box (410), a movable groove (420), a servo motor (430), a gear (440), a slide bar (450), a rack (460), a connecting block (470) and a clamping plate (480). The front, rear, left and right sides of the top of the rotating frame (330) are all fixedly connected with a mounting box (410), and the movable groove (420) is penetrated through the front and rear sides of the top of the mounting box (410). The middle part of the bottom of the inner cavity of the mounting box (410) A servo motor (430) is fixedly connected, a gear (440) is fixedly connected to the top of the outer side of the output shaft of the servo motor (430), a slide bar (450) is fixedly connected to the front and rear parts of the top of the left and right sides of the inner cavity of the installation box (410), a rack (460) is slidably connected to the left side of the rear slide bar (450) and the right side of the front slide bar (450), a connecting block (470) is fixedly connected to the left side of the top of the rear rack (460) and the right side of the top of the front rack (460), and a clamping plate (480) is fixedly connected to the top of the connecting block (470).

5. A welding station for assembly line processing according to claim 4, characterized in that: The rack (460) is meshed with the outer edge of the gear (440) via tooth patterns, and a baffle is fixedly connected to the left end of the front rack (460) and the right end of the rear rack (460).

6. A welding station for assembly line processing according to claim 4, characterized in that: The input end of the servo motor (430) is electrically connected to the output end of the external power supply, the rear connection block (470) is slidably connected to the inside of the rear movable groove (420), and the front connection block (470) is slidably connected to the inside of the front movable groove (420).

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