Industrial robot welding fixing mechanism

Abstract

The utility model discloses an industrial robot welding fixing mechanism, which belongs to the technical field of welding robots and comprises a lifting platform, a fixing plate is arranged on one side of the upper end of the lifting platform, a first clamping plate is rotatably connected in the fixing plate, and a sliding plate is arranged on the other side of the upper end of the lifting platform. The position, corresponding to the first clamping plate, of one end of the sliding plate is rotationally connected with a second clamping plate, a driving mechanism is arranged between the second clamping plate and the sliding plate, and the position, corresponding to the sliding plate, of one side of the upper end of the lifting table is provided with a first motor. The first bevel gear rotates to drive the rotating shaft to rotate through the second bevel gear, the rotating shaft rotates at the upper end of the connecting plate, meanwhile, the rotating shaft can drive the lifting table at the upper end to rotate, the lifting table can be rotated in different directions according to needs by arranging the rotating assembly, and therefore the workpiece can be rotated and adjusted in the horizontal direction.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding robots, and particularly relates to a welding fixing mechanism for industrial robots. Background Technique

[0002] A welding robot is an industrial robot engaged in welding (including cutting and spraying). According to the definition of an industrial robot belonging to a standard welding robot by the International Organization for Standardization, an industrial robot is a multi-purpose, reprogrammable automatic control manipulator with three or more programmable axes and is used in the field of industrial automation. To adapt to different uses, the mechanical interface of the last axis of the robot is usually a connecting flange to which different tools or end effectors can be attached. A welding robot is one that installs a welding tong or a welding (cutting) torch on the flange of the last axis of the industrial robot so that it can perform welding, cutting or thermal spraying.

[0003] Chinese Patent Application No. 2020215387319 discloses a robot welding fixture, which includes a platform. A cylinder is installed at the bottom of the platform. The output end of the cylinder penetrates the platform and is fixedly connected to a lifting table. An installation seat is installed at the bottom of the lifting table. A guide rod is threadedly connected to the bottom of the installation seat. One end of the guide rod penetrates the platform. A first motor is installed at the left end of the top of the lifting table. A fixed plate is fixedly connected to the right end of the top of the lifting table. A groove is opened on the left side of the fixed plate. A first clamping plate is movably connected inside the groove. A limit sliding groove is opened at the top of the lifting table. This robot welding fixture can flip the workpiece by arranging a first clamping plate and a second clamping plate inside the groove and the through groove respectively, which is convenient for the staff to use and improves work efficiency.

[0004] The above disclosed patent cannot rotate the lifting table in different directions according to requirements, so it cannot adjust the horizontal rotation of the workpiece. At the same time, the original device cannot centrally collect the impurities generated by welding. Content of the Utility Model

[0005] To solve the problems raised in the above background technique, the utility model provides a welding fixing mechanism for industrial robots, which has the characteristic of being able to rotate the lifting table in different directions.

[0006] To achieve the above object, the present utility model provides the following technical solution: An industrial robot welding fixing mechanism, including a lifting table, on one side of the upper end of the lifting table, there is a fixing plate, in which a first clamping plate is rotatably connected, on the other side of the upper end of the lifting table, there is a sliding plate, at a position corresponding to one end of the sliding plate and the first clamping plate, a second clamping plate is rotatably connected, between the second clamping plate and the sliding plate, there is a driving mechanism, on one side of the upper end of the lifting table and at a position corresponding to the sliding plate, there is a motor one, the output end of the motor one is provided with a lead screw, under the lifting table, there is a platform, on both sides of the lower end of the platform, there are legs, at the middle position of the lower end of the platform, there is a cylinder, and between the lifting table and the cylinder, they are connected through a rotating component.

[0007] Preferably, the rotating component includes a connecting plate, a rotating shaft, a motor two, a helical gear two, a helical gear one, and a supporting component. Among them, the output end of the cylinder is provided with a connecting plate, between the lifting table and the connecting plate, they are connected through a rotating shaft, on the lower side of the surface of the rotating shaft, a helical gear two is welded, at a position corresponding to the helical gear two on the upper end of the connecting plate, there is a motor two, the output end of the motor two is provided with a helical gear one, and at the lower end of the lifting table, there is a supporting component.

[0008] Preferably, the supporting component includes an annular rail, a supporting rod, a slider, and a chip removal port. Among them, on the upper end of the connecting plate, there is an annular rail, at the front end of the annular rail, there is a chip removal port, at both ends inside the annular rail, there are sliders slidably connected, and between the sliders and the lifting table, they are connected through a supporting rod.

[0009] Preferably, between the rotating shaft and the connecting plate, there is a bearing rotating seat, between the lifting table and the rotating shaft, and between the supporting rod and the lifting table, they are all welded by spot welding.

[0010] Preferably, on the upper end of the lifting table, there is a collection box, at one end of the collection box, there is a handle, at the other end of the collection box, there is a magnetic block one, in the sliding plate, there is a through groove corresponding to the collection box, and at a position corresponding to the magnetic block one at one end of the fixing plate, there is a magnetic block two.

[0011] Preferably, between the side of the magnetic block two and the side of the fixing plate, and between the side of the magnetic block one and the side of the collection box, they are all flush, after the collection box enters the through groove, the side of the collection box is tangent to the inner wall of the through groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. By setting the rotating component in the present utility model, when the motor two is turned on to drive the helical gear one to rotate, the rotation of the helical gear one can drive the rotating shaft to rotate through the helical gear two, the rotating shaft rotates on the upper end of the connecting plate, and at the same time, the rotating shaft can drive the upper lifting table to rotate. By setting the rotating component, the lifting table can be rotated in different directions according to requirements, so as to adjust the horizontal rotation of the workpiece.

[0014] 2. The utility model is provided with a collection box. The collection box is inserted into the through groove of the sliding plate, and then the collection box is pushed by a handle to slide on the lifting platform until one end of the collection box abuts against the fixed plate. The magnet one at one end of the collection box adsorbs the magnet two on the side of the fixed plate, achieving the effect of adsorbing and fixing the collection box. The collection box can centrally collect the impurities generated by welding, preventing the impurities from falling onto the lifting platform and polluting the processing environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the utility model;

[0016] Figure 2 is a rear three-dimensional view of the utility model;

[0017] Figure 3 is a three-dimensional view of the rotating assembly of the utility model;

[0018] In the figure: 1, lifting platform; 2, rotating assembly; 21, connecting plate; 22, rotating shaft; 23, motor two; 24, helical gear two; 25, helical gear one; 26, support assembly; 261, annular rail; 262, support rod; 263, slider; 264, chip removal port; 3, fixed plate; 4, first clamping plate; 5, sliding plate; 6, driving mechanism; 7, platform; 8, leg; 9, cylinder; 10, second clamping plate; 11, motor one; 12, lead screw; 13, magnet two; 14, collection box; 15, handle; 16, through groove; 17, magnet one. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Embodiment 1

[0021] Please refer to Figures 1-3, the present utility model provides the following technical solutions: An industrial robot welding fixing mechanism, including a lifting platform 1, a fixing plate 3 is arranged on one side of the upper end of the lifting platform 1, a first clamping plate 4 is rotatably connected in the fixing plate 3, a sliding plate 5 is arranged on the other side of the upper end of the lifting platform 1, a second clamping plate 10 is rotatably connected at a position corresponding to one end of the sliding plate 5 and the first clamping plate 4, a driving mechanism 6 is arranged between the second clamping plate 10 and the sliding plate 5, a first motor 11 is arranged at a position corresponding to the sliding plate 5 on one side of the upper end of the lifting platform 1, a lead screw 12 is arranged at the output end of the first motor 11, a platform 7 is arranged on the lower side of the lifting platform 1, legs 8 are arranged on both sides of the lower end of the platform 7, a cylinder 9 is arranged at the middle position of the lower end of the platform 7, and the lifting platform 1 is connected to the cylinder 9 through a rotating assembly 2.

[0022] Specifically, the rotating assembly 2 includes a connecting plate 21, a rotating shaft 22, a second motor 23, a second helical gear 24, a first helical gear 25, and a supporting assembly 26. Among them, a connecting plate 21 is arranged at the output end of the cylinder 9, the lifting platform 1 is connected to the connecting plate 21 through the rotating shaft 22, a second helical gear 24 is welded on the lower side of the surface of the rotating shaft 22, a second motor 23 is arranged at a position corresponding to the second helical gear 24 at the upper end of the connecting plate 21, a first helical gear 25 is arranged at the output end of the second motor 23, and a supporting assembly 26 is arranged at the lower end of the lifting platform 1.

[0023] By adopting the above technical solution, when the second motor 23 is started to drive the first helical gear 25 to rotate, the rotation of the first helical gear 25 can drive the rotating shaft 22 to rotate through the second helical gear 24. The rotating shaft 22 rotates on the upper end of the connecting plate 21, and at the same time, the rotating shaft 22 can drive the upper lifting platform 1 to rotate. By setting the rotating assembly 2, the lifting platform 1 can be rotated in different directions according to requirements, so as to adjust the horizontal rotation of the workpiece.

[0024] Specifically, the supporting assembly 26 includes an annular rail 261, a support rod 262, a slider 263, and a chip removal port 264. Among them, an annular rail 261 is arranged at the upper end of the connecting plate 21, a chip removal port 264 is arranged at the front end of the annular rail 261, both ends inside the annular rail 261 are slidably connected with sliders 263, and the sliders 263 are connected to the lifting platform 1 through support rods 262.

[0025] By adopting the above technical solution, when the lifting platform 1 rotates, the sliders 263 at the lower ends of the two support rods 262 at the lower end of the lifting platform 1 can slide in the annular rail 261. The support rods 262 and the sliders 263 can support the lifting platform 1, making the rotation of the lifting platform 1 more stable. At the same time, a chip removal port 264 is arranged at the front end of the annular rail 261 to facilitate the discharge of impurities falling into the annular rail 261.

[0026] Specifically, a bearing rotating seat is arranged between the rotating shaft 22 and the connecting plate 21. The lifting platform 1 and the rotating shaft 22, as well as the support rod 262 and the lifting platform 1, are all welded by spot welding.

[0027] By adopting the above technical solution, the rotating shaft 22 can rotate on the connecting plate 21, and spot welding makes the connection between the lifting table 1 and the rotating shaft 22 and between the support rod 262 and the lifting table 1 more firm.

[0028] When this embodiment is in use, when the industrial robot welding and fixing mechanism is in use, the device is installed at a suitable position, and the workpiece is placed between the first clamping plate 4 and the second clamping plate 10. The first motor 11 is started to drive the lead screw 12 to rotate. The rotation of the lead screw 12 drives the sliding plate 5 to move towards the fixed plate 3. The first clamping plate 4 and the second clamping plate 10 can clamp and fix the workpiece. At the same time, the driving mechanism 6 can drive the first clamping plate 4 and the second clamping plate 10 to rotate, thereby driving the workpiece between the first clamping plate 4 and the second clamping plate 10 to flip. The cylinder 9 can push the lifting table 1 for height adjustment. By setting the rotating assembly 2, the second motor 23 is started to drive the first helical gear 25 to rotate. The rotation of the first helical gear 25 can drive the rotating shaft 22 to rotate through the second helical gear 24. The rotating shaft 22 rotates at the upper end of the connecting plate 21. At the same time, the rotating shaft 22 can drive the lifting table 1 at the upper end to rotate. By setting the rotating assembly 2, the lifting table 1 can be rotated in different directions according to needs, so as to perform horizontal rotation adjustment on the workpiece. By setting the support assembly 26, when the lifting table 1 rotates, the sliders 263 at the lower ends of the two support rods 262 at the lower end of the lifting table 1 can slide in the annular rail 261. The support rods 262 and the sliders 263 can support the lifting table 1, making the rotation of the lifting table 1 more stable. At the same time, a chip discharge port 264 is provided at the front end of the annular rail 261 to facilitate the discharge of impurities falling into the annular rail 261.

[0029] Embodiment 2

[0030] The difference between this embodiment and Embodiment 1 is that: a collection box 14 is provided at the upper end of the lifting table 1. A handle 15 is provided at one end of the collection box 14, a first magnet 17 is provided at the other end of the collection box 14, a through groove 16 corresponding to the collection box 14 is provided in the sliding plate 5, and a second magnet 13 is provided at a position corresponding to the first magnet 17 at one end of the fixed plate 3.

[0031] By adopting the above technical solution, the collection box 14 is inserted into the through groove 16 of the sliding plate 5. Then, the collection box 14 is pushed on the lifting table 1 through the handle 15 until one end of the collection box 14 abuts against the fixed plate 3. The first magnet 17 at one end of the collection box 14 adsorbs to the second magnet 13 on the side of the fixed plate 3, achieving the effect of adsorbing and fixing the collection box 14. The collection box 14 can centrally collect the impurities generated by welding, avoiding the impurities falling on the lifting table 1 and polluting the processing environment.

[0032] Specifically, the side between the second magnet 13 and the side of the fixed plate 3 and the side between the first magnet 17 and the side of the collection box 14 are flush. After the collection box 14 enters the through groove 16, the side of the collection box 14 is tangent to the inner wall of the through groove 16.

[0033] By adopting the above technical solution, when the collection box 14 is placed, the collection box 14 fits more closely to the fixed plate 3, and the side of the collection box 14 will not be scratched when the sliding plate 5 moves.

[0034] When this embodiment is in use, by setting the collection box 14, the collection box 14 is inserted into the through groove 16 of the sliding plate 5, and then the collection box 14 is pushed by the handle 15 to slide on the lifting platform 1 until one end of the collection box 14 abuts against the fixed plate 3, and the magnet one 17 at one end of the collection box 14 adsorbs to the magnet two 13 on the side of the fixed plate 3, achieving the effect of adsorbing and fixing the collection box 14. The collection box 14 can centrally collect the impurities generated by welding, avoiding the impurities falling onto the lifting platform 1 and polluting the processing environment.

[0035] The motor two 23 in the present utility model is an existing publicly disclosed technology, and the selected model is 5IK120GN-CF.

[0036] The structures and working principles of the lifting platform 1, the fixed plate 3, the first clamping plate 4, the sliding plate 5, the driving mechanism 6, the platform 7, the support legs 8, the cylinder 9, the second clamping plate 10, the motor one 11 and the lead screw 12 in the present utility model have been disclosed in a robot welding fixture with the Chinese patent application number 2020215387319. Its working principle is to place the workpiece between the first clamping plate 4 and the second clamping plate 10, start the motor one 11 to drive the lead screw 12 to rotate, the rotation of the lead screw 12 drives the sliding plate 5 to move towards the fixed plate 3, the first clamping plate 4 and the second clamping plate 10 can clamp and fix the workpiece, and at the same time the driving mechanism 6 can drive the first clamping plate 4 and the second clamping plate 10 to rotate, thereby driving the workpiece between the first clamping plate 4 and the second clamping plate 10 to flip, and the cylinder 9 can push the lifting platform 1 for height adjustment.

[0037] Working principle and usage process of the utility model: When the industrial robot welding fixing mechanism is in use, the device is installed at a suitable position, and the workpiece is placed between the first clamping plate 4 and the second clamping plate 10. The first motor 11 is turned on to drive the lead screw 12 to rotate. The rotation of the lead screw 12 drives the sliding plate 5 to move towards the fixed plate 3. The first clamping plate 4 and the second clamping plate 10 can clamp and fix the workpiece. At the same time, the driving mechanism 6 can drive the first clamping plate 4 and the second clamping plate 10 to rotate, thereby driving the workpiece between the first clamping plate 4 and the second clamping plate 10 to flip. The cylinder 9 can push the lifting platform 1 for height adjustment. By setting the rotating assembly 2, the second motor 23 is turned on to drive the first helical gear 25 to rotate. The rotation of the first helical gear 25 can drive the rotating shaft 22 to rotate through the second helical gear 24. The rotating shaft 22 rotates at the upper end of the connecting plate 21. At the same time, the rotating shaft 22 can drive the upper lifting platform 1 to rotate. By setting the rotating assembly 2, the lifting platform 1 can be rotated in different directions according to needs, so as to adjust the horizontal rotation of the workpiece. By setting the supporting assembly 26, when the lifting platform 1 rotates, the sliders 263 at the lower ends of the two side support rods 262 at the lower end of the lifting platform 1 can slide in the annular track 261. The support rods 262 and the sliders 263 can support the lifting platform 1, making the rotation of the lifting platform 1 more stable. At the same time, a chip removal port 264 is arranged at the front end of the annular track 261 to facilitate the discharge of impurities falling into the annular track 261. By setting the collection box 14, the collection box 14 is inserted into the through groove 16 of the sliding plate 5, and then the collection box 14 is pushed on the lifting platform 1 by the handle 15 until one end of the collection box 14 abuts against the fixed plate 3. The first magnet 17 at one end of the collection box 14 adsorbs the second magnet 13 on the side of the fixed plate 3, achieving the effect of adsorbing and fixing the collection box 14. The collection box 14 can centrally collect the impurities generated by welding, preventing the impurities from falling onto the lifting platform 1 and polluting the processing environment.

[0038] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An industrial robot welding fixing mechanism, including a lifting table, characterized in that: A fixed plate is provided on one side of the upper end of the lifting platform, and a first clamping plate is rotatably connected to the fixed plate. A sliding plate is provided on the other side of the upper end of the lifting platform, and a second clamping plate is rotatably connected to a position corresponding to the first clamping plate at one end of the sliding plate. A driving mechanism is provided between the second clamping plate and the sliding plate, a motor 1 is provided on one side of the upper end of the lifting platform at a position corresponding to the sliding plate, a screw rod is provided at the output end of the motor 1, a platform is provided on the lower side of the lifting platform, support legs are provided on both sides of the lower end of the platform, a cylinder is provided at the middle position of the lower end of the platform, and the lifting platform and the cylinder are connected by a rotating component.

2. The industrial robot welding fixing mechanism according to claim 1, characterized in that: The rotating assembly includes a connecting plate, a rotating shaft, a second motor, a second bevel gear, a first bevel gear and a supporting assembly, wherein a connecting plate is provided at the output end of the cylinder, the lifting platform and the connecting plate are connected by a rotating shaft, the second bevel gear is welded on the lower side of the rotating shaft surface, the second motor is provided at the position corresponding to the second bevel gear at the upper end of the connecting plate, the first bevel gear is provided at the output end of the second motor, and a supporting assembly is provided at the lower end of the lifting platform.

3. The industrial robot welding fixing mechanism according to claim 2, wherein: The support assembly includes an annular rail, a support rod, a slider and a chip removal port, wherein an annular rail is provided at the upper end of the connecting plate, a chip removal port is provided at the front end of the annular rail, sliders are slidably connected at both ends of the annular rail, and the slider is connected to the lifting platform through a support rod.

4. The welding and fixing mechanism of an industrial robot according to claim 2, characterized in that: A bearing rotating seat is provided between the rotating shaft and the connecting plate, and the lifting platform and the rotating shaft as well as the supporting rod and the lifting platform are all welded by spot welding.

5. The welding and fixing mechanism of an industrial robot according to claim 1, wherein: A collection box is provided at the upper end of the lifting platform, a handle is provided at one end of the collection box, a magnetic block 1 is provided at the other end of the collection box, a through groove corresponding to the collection box is provided in the sliding plate, and a magnetic block 2 is provided at a position corresponding to the magnetic block 1 at one end of the fixed plate.

6. The industrial robot welding fixing mechanism according to claim 5, characterized in that: The two side edges of the magnetic block are flush with the side edge of the fixing plate, and one side edge of the magnetic block is flush with the side edge of the collecting box. After the collecting box enters the through slot, the side edge of the collecting box is tangent to the inner wall of the through slot.

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