Welding robot workstation for automobile engine bracket

Abstract

The utility model provides an automobile engine support welding robot workstation, which relates to the technical field of automatic welding, and comprises a peripheral protective guard placed on the ground, and a control assembly is arranged in the peripheral protective guard; two groups of welding integral racks are arranged in the peripheral protective fence, the spray-washing gun can spray fine and uniform anti-blocking liquid through the spray head, a protective film is formed on the inner side of a welding gun nozzle of the welding robot, the spray head is used for reasonably controlling the spraying amount, the spray-washing gun can correspond to the welding gun nozzles with different diameters, and a fixing cover is used for preventing the anti-blocking liquid from splashing. Waste of anti-blocking liquid is effectively avoided, and the problems that a welding gun nozzle of an automobile engine support welding robot workstation needs to be maintained and cleaned regularly, the spraying amount of an anti-blocking liquid spraying head is difficult to control, liquid splashing is prone to being generated, the anti-blocking liquid is wasted, and residual ball heads at the ends of welding wires need to be sheared, so that the working efficiency is high are solved. The problems that a shearing structure is complex, a cutting-off blade is not reasonable enough in configuration and use, and the service life of the cutting-off blade is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automated welding, in particular to a welding robot workstation for an automobile engine bracket. Background Art

[0002] The components of the welding robot workstation include welding robots, protective devices, welding power supplies, welding tools, sensor systems, control systems and workbenches; it is widely used in automobile manufacturing, aerospace, electronic products and other fields that require high-precision and high-efficiency welding processes; the automobile engine bracket welding robot workstation is a highly automated welding equipment that can realize efficient and accurate welding operations of automobile engine brackets.

[0003] When the existing automobile engine bracket welding robot workstation is in use, the welding gun nozzle needs to be regularly maintained and cleaned. The spraying amount of the anti-blocking liquid spray head is difficult to control, which easily causes liquid splashing and wastes the anti-blocking liquid. In addition, the ball head remaining at the end of the welding wire needs to be sheared, and its shearing structure is relatively complicated. The cutting blade is not reasonably equipped and used, which affects its service life. Utility Model Content

[0004] The disclosed embodiment relates to a robot workstation for welding an automobile engine bracket. The spray gun can spray fine and uniform anti-blocking liquid through a spray head to form a protective film on the inner side of the welding gun nozzle of the welding robot. The spray head can be used to reasonably control the spraying amount to correspond to welding gun nozzles of different diameters, and a fixed cover can be used to prevent the anti-blocking liquid from splashing, thereby effectively avoiding the waste of the anti-blocking liquid.

[0005] The utility model provides a welding robot workstation for an automobile engine bracket, which specifically comprises: an outer protective fence placed on the ground, wherein a control component is arranged inside the outer protective fence; two groups of welding integral frames are arranged inside the outer protective fence, and the two groups of welding integral frames are distributed in a left-right symmetrical manner; a flip frame is arranged between each group of the welding integral frames; a support seat is arranged between the two flip frames; a welding robot is arranged on the top of the support seat; a support frame is arranged on the front side of the support seat; a gun cleaning component is arranged on the top of the front end of the support frame; and a wire cutting component is arranged on the gun cleaning component.

[0006] In at least some embodiments, the control component includes a power chassis assembly, a welding chassis assembly, a wire feeding barrel, a welding gun water cooling box and a control cabinet. The power chassis assembly is placed on the ground, and the welding chassis assembly, the wire feeding barrel, the welding gun water cooling box and the control cabinet are arranged in sequence on the ground to the right of the power chassis assembly.

[0007] In at least some embodiments, there are two welded integral frames in each group, and the two welded integral frames are distributed in a front-to-back symmetrical manner, and a fixed base is provided between the bottoms of the two welded integral frames, a servo motor is fixedly installed on the front welded integral frame, a connecting shaft is provided on the servo motor, and the connecting shaft is rotatably connected to the welded integral frame through a bearing, and a driving gear is provided at the end of the connecting shaft.

[0008] In at least some embodiments, the reversible frame is a rectangular frame structure, and connecting frames are provided at the front and rear ends of the reversible frame, rotating shafts are provided on the relatively outer sides of the two connecting frames, and the rotating shafts are rotatably connected to the welded integral frame through bearings, a driven gear is provided at the end of the front rotating shaft, and the driven gear is meshed and connected with the driving gear, two long moment rods of the reversible frame are provided with positioning grooves, and four positioning components are provided on the reversible frame, and the positioning components correspond to the positions of the positioning grooves.

[0009] In at least some embodiments, the positioning assembly includes a welding fixture, an adjusting screw and an adjusting knob. The welding fixture is provided with an adjusting screw, and the adjusting screw is slidably connected to the welding fixture by means of a thread. The adjusting screw passes through the positioning slot, and an adjusting knob is provided at the top of the adjusting screw.

[0010] In at least some embodiments, the gun cleaning assembly includes a connecting seat, a storage tank, a fixed cover, a positioning frame, a spray gun and a spray head. The connecting seat is fixedly connected to the support frame, and a storage tank is provided on the left side of the connecting seat, a fixed cover is provided at the front of the connecting seat, a positioning frame is provided at the front of the connecting seat, and the positioning frame is located below the fixed cover, a spray gun is provided on the positioning frame, a spray head is provided on the top of the spray gun, and the spray head is located in the fixed cover.

[0011] In at least some embodiments, the wire cutting assembly includes a fixed frame, a cylinder and a support pad, the fixed frame is provided with a cylinder on the left side, the fixed frame is provided with a support pad on the right side, and the support pad corresponds to the cylinder;

[0012] A first support plate is provided at the left end of the fixing frame, and the cylinder is fixedly connected to the first support plate; a second support plate is provided at the right end of the fixing frame, and the support pad is located on the left side of the second support plate;

[0013] A telescopic rod is provided on the cylinder, a cutting blade is provided at the right end of the telescopic rod, and the cutting blade matches the supporting pad;

[0014] Three limit slide bars are arranged on the right side of the support pad, a connecting plate is arranged between the right ends of the three limit slide bars, the three limit slide bars are distributed in parallel up and down, and a compression spring is mounted on the middle limit slide bar, and the compression spring is supported between the second support plate and the support pad.

[0015] The utility model provides a welding robot workstation for automobile engine brackets, which has the following beneficial effects:

[0016] In the utility model, the flip frame and the positioning assembly cooperate with each other to adjust the posture of the workpiece so that all welds are in the best welding position. The servo motor of the welding integral frame can be freely programmed as the external axis of the robot. The flip frame is driven to rotate through the gear gapless transmission technology. The welding integral frame is welded with high-quality profiles. After annealing to relieve stress, it is professionally machined to ensure high processing precision and usage accuracy of key positions.

[0017] In addition, the spray gun in the utility model can spray fine and uniform anti-blocking liquid through the spray head to form a protective film on the inner side of the welding gun nozzle of the welding robot. The spray amount can be reasonably controlled by using the spray head to correspond to welding gun nozzles of different diameters, and a fixed cover can be used to prevent the anti-blocking liquid from splashing, thereby effectively avoiding the waste of the anti-blocking liquid.

[0018] In addition, the cutting blade and the supporting pad cooperate with each other in the utility model, and the pneumatic principle of the cylinder is used to drive the cutting blade to press and cut the welding wire, which can remove the ball head remaining at the end of the welding wire and ensure good arc starting performance. The cutting blade is made of high-durability material, and the single-sided blade can be used for more than 40,000 times to cut wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0020] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture:

[0022] Figure 1 The overall axial viewing angle structure schematic diagram of the present application is shown;

[0023] Figure 2 A schematic diagram of the welded integral frame and the reversible frame structure of the present application is shown;

[0024] Figure 3 A schematic diagram of the structure of the reversible frame and the servo motor in the disassembled state of the present application is shown;

[0025] Figure 4 The schematic diagram of the structure of the gun cleaning assembly and the wire cutting assembly of the present application is shown;

[0026] Figure 5 A schematic structural diagram of the spray gun and wire cutting assembly of the present application in a disassembled state is shown.

[0027] List of reference numerals:

[0028] 1. External guardrail; 2. Control assembly; 201. Power supply chassis assembly; 202. Welding chassis assembly; 203. Wire feeding barrel; 204. Welding gun water cooling box; 205. Control cabinet; 3. Welding overall frame; 301. Fixed base; 302. Servo motor; 303. Connecting shaft; 304. Driving gear; 4. Reversible frame; 401. Connecting frame; 402. Rotating shaft; 403. Driven gear; 404. Positioning slot; 405. Positioning assembly; 4051. Welding fixture; 4052. Adjusting screw rod; 4053 , adjusting knob; 5, supporting seat; 6, welding robot; 7, supporting frame; 8, cleaning gun assembly; 801, connecting seat; 802, storage tank; 803, fixing cover; 804, positioning frame; 805, spray gun; 806, spray head; 9, wire cutting assembly; 901, fixing frame; 9011, first supporting plate; 9012, second supporting plate; 902, cylinder; 9021, telescopic rod; 9022, cutting blade; 903, supporting pad; 9031, limiting slide rod; 9032, connecting plate; 9033, compression spring. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.

[0030] Example 1: Please refer to Figures 1 to 5 :

[0031] The utility model proposes a welding robot workstation for an automobile engine bracket, comprising: an outer protective fence 1 placed on the ground, wherein a control component 2 is arranged in the outer protective fence 1; two groups of welding integral frames 3 are arranged in the outer protective fence 1, and the two groups of welding integral frames 3 are distributed in a left-right symmetrical manner; a reversible frame 4 is arranged between each group of welding integral frames 3; a support seat 5 is arranged between the two reversible frames 4; a welding robot 6 is arranged on the top of the support seat 5; a support frame 7 is arranged on the front side of the support seat 5; a gun cleaning component 8 is arranged on the top of the front end of the support frame 7; a wire cutting component 9 is arranged on the gun cleaning component 8;

[0032] The control component 2 includes a power chassis assembly 201, a welding chassis assembly 202, a wire feeding barrel 203, a welding gun water cooling box 204 and a control cabinet 205. The power chassis assembly 201 is placed on the ground, and the welding chassis assembly 202, the wire feeding barrel 203, the welding gun water cooling box 204 and the control cabinet 205 are arranged in sequence on the ground to the right of the power chassis assembly 201.

[0033] In the present disclosure, Figure 2 and Figure 3 As shown, each group of welded integral frames 3 is two, and the two welded integral frames 3 are distributed in a front-to-back symmetrical manner, and a fixed base 301 is provided between the bottoms of the two welded integral frames 3, a servo motor 302 is fixedly installed on the front side welded integral frame 3, a connecting shaft 303 is provided on the servo motor 302, and the connecting shaft 303 is rotatably connected to the welded integral frame 3 through a bearing, and a driving gear 304 is provided at the end of the connecting shaft 303;

[0034] The reversible frame 4 is a rectangular frame structure, and connecting frames 401 are provided at the front and rear ends of the reversible frame 4, rotating shafts 402 are provided on the opposite outer sides of the two connecting frames 401, and the rotating shafts 402 are rotatably connected to the welded integral frame 3 through bearings, and a driven gear 403 is provided at the end of the front rotating shaft 402, and the driven gear 403 is meshed and connected with the driving gear 304, and two long moment rods of the reversible frame 4 are provided with positioning slots 404, and four positioning components 405 are provided on the reversible frame 4, and the positioning components 405 correspond to the positions of the positioning slots 404;

[0035] The positioning assembly 405 includes a welding fixture 4051, an adjusting screw 4052 and an adjusting knob 4053. The welding fixture 4051 is provided with an adjusting screw 4052, and the adjusting screw 4052 is slidably connected to the welding fixture 4051 by means of a thread, and the adjusting screw 4052 passes through the positioning slot 404, and an adjusting knob 4053 is provided on the top of the adjusting screw 4052. The flip frame 4 and the positioning assembly 405 cooperate with each other to adjust the posture of the workpiece so that all welds are in the optimal welding position, and the servo motor 302 of the welding integral frame 3 can be freely programmed as the external axis of the robot, and drives the flip frame 4 to rotate through the gear gapless transmission technology.

[0036] In the present disclosure, Figure 4 and Figure 5 As shown, the gun cleaning assembly 8 includes a connecting seat 801, a storage tank 802, a fixed cover 803, a positioning frame 804, a spray gun 805 and a spray head 806. The connecting seat 801 is fixedly connected to the support frame 7, and a storage tank 802 is provided on the left side of the connecting seat 801, a fixed cover 803 is provided at the front of the connecting seat 801, a positioning frame 804 is provided at the front of the connecting seat 801, and the positioning frame 804 is located below the fixed cover 803, a spray gun 805 is provided on the positioning frame 804, a spray head 806 is provided on the top of the spray gun 805, and the spray head 806 is located in the fixed cover 803, wherein the spray gun 805 can spray fine and uniform anti-blocking liquid through the spray head 806 to form a protective film on the inner side of the welding gun nozzle of the welding robot 6, and the spray head 806 is used to reasonably control the spraying amount to correspond to welding gun nozzles of different diameters, and the fixed cover 803 is used to prevent the anti-blocking liquid from splashing.

[0037] In the present disclosure, Figure 4 and Figure 5 As shown, the wire cutting assembly 9 includes a fixed frame 901, a cylinder 902 and a support pad 903. The cylinder 902 is provided on the left side of the fixed frame 901, and the support pad 903 is provided on the right side of the fixed frame 901, and the support pad 903 corresponds to the cylinder 902;

[0038] A first support plate 9011 is disposed at the left end of the fixing frame 901, and the cylinder 902 is fixedly connected to the first support plate 9011; a second support plate 9012 is disposed at the right end of the fixing frame 901, and the support pad 903 is located on the left side of the second support plate 9012;

[0039] The cylinder 902 is provided with a telescopic rod 9021, and a cutting blade 9022 is provided at the right end of the telescopic rod 9021, and the cutting blade 9022 matches the supporting pad 903;

[0040] Three limiting slide bars 9031 are provided on the right side of the support pad 903, and a connecting plate 9032 is provided between the right ends of the three limiting slide bars 9031. The three limiting slide bars 9031 are distributed in parallel in an upper and lower manner, and a compression spring 9033 is mounted on the middle limiting slide bar 9031, and the compression spring 9033 is supported between the second support plate 9012 and the support pad 903. The cutting blade 9022 and the support pad 903 cooperate with each other, and the pneumatic principle of the cylinder 902 is used to drive the cutting blade 9022 to press and cut the welding wire, which can remove the ball head remaining at the end of the welding wire to ensure good arc starting performance, and the cutting blade 9022 is made of high-durability material, and the single-sided blade can be used for more than 40,000 times of wire cutting.

[0041] Embodiment 2, based on embodiment 1, as Figure 4 and Figure 5 As shown, this device integrates the three functions of wire cutting, gun cleaning and anti-splash liquid spraying into one, with diversified functions, perfect combination of space saving and high efficiency, can perform effective nozzle cleaning operations, and is driven by compressed air. It is easy to install, has a simple structure and is easy to maintain.

[0042] The working principle of this embodiment: when in use, the flip frame 4 and the positioning component 405 cooperate with each other to adjust the posture of the workpiece so that all welds are in the best welding position, and the servo motor 302 of the welding integral frame 3 can be freely programmed as the external axis of the robot, and the flip frame 4 can be driven to rotate through the gear gapless transmission technology; the spray gun 805 can spray fine and uniform anti-blocking liquid through the spray head 806 to form a protective film on the inner side of the welding gun nozzle of the welding robot 6, and the spray head 806 is used to reasonably control the spraying amount, which can correspond to welding gun nozzles of different diameters, and the fixed cover 803 is used to prevent the anti-blocking liquid from splashing; the cutting blade 9022 and the supporting pad 903 cooperate with each other, and the pneumatic principle of the cylinder 902 is used to drive the cutting blade 9022 to press and cut the welding wire, which can remove the ball head remaining at the end of the welding wire to ensure good arc starting performance, and the cutting blade 9022 is made of high-durability material, and the single-sided blade can be used for more than 40,000 wire cutting.

[0043] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. Automobile engine bracket welding robot workstation, characterized by: include: An outer protective fence is placed on the ground, wherein a control component is arranged inside the outer protective fence; two groups of integral welding frames are arranged inside the outer protective fence, and the two groups of integral welding frames are distributed in a left-right symmetrical manner; a reversible frame is arranged between each group of integral welding frames; a support seat is arranged between the two reversible frames; a welding robot is arranged on the top of the support seat; a support frame is arranged on the front side of the support seat; a gun cleaning component is arranged on the top of the front end of the support frame; a wire cutting component is arranged on the gun cleaning component.

2. The automobile engine bracket welding robot workstation according to claim 1 is characterized in that: The control component includes a power chassis assembly, a welding chassis assembly, a wire feeding barrel, a welding gun water cooling box and a control cabinet. The power chassis assembly is placed on the ground, and the welding chassis assembly, the wire feeding barrel, the welding gun water cooling box and the control cabinet are arranged in sequence on the ground to the right of the power chassis assembly.

3. The automobile engine bracket welding robot workstation according to claim 1, characterized in that: There are two welded integral frames in each group, and the two welded integral frames are distributed in a front-to-back symmetrical manner, and a fixed base is provided between the bottoms of the two welded integral frames. A servo motor is fixedly installed on the front welded integral frame, and a connecting shaft is provided on the servo motor. The connecting shaft is rotatably connected to the welded integral frame through a bearing, and a driving gear is provided at the end of the connecting shaft.

4. The automobile engine bracket welding robot workstation according to claim 1, characterized in that: The reversible frame is a rectangular frame structure, and connecting frames are provided at the front and rear ends of the reversible frame, rotating shafts are provided on the relatively outer sides of the two connecting frames, and the rotating shafts are rotatably connected to the welded integral frame through bearings, a driven gear is provided at the end of the front rotating shaft, and the driven gear is meshed and connected with the driving gear, two long moment rods of the reversible frame are provided with positioning grooves, and four positioning components are provided on the reversible frame, and the positioning components correspond to the positions of the positioning grooves.

5. The automobile engine bracket welding robot workstation according to claim 4, characterized in that: The positioning assembly includes a welding fixture, an adjusting screw and an adjusting knob. The welding fixture is provided with an adjusting screw, and the adjusting screw is slidably connected to the welding fixture by means of a thread. The adjusting screw passes through the positioning slot, and an adjusting knob is provided at the top of the adjusting screw.

6. The automobile engine bracket welding robot workstation according to claim 1, characterized in that: The gun cleaning assembly includes a connecting seat, a storage tank, a fixed cover, a positioning frame, a spray gun and a spray head. The connecting seat is fixedly connected to the support frame, and a storage tank is provided on the left side of the connecting seat, a fixed cover is provided at the front of the connecting seat, a positioning frame is provided at the front of the connecting seat, and the positioning frame is located below the fixed cover, a spray gun is provided on the positioning frame, a spray head is provided on the top of the spray gun, and the spray head is located in the fixed cover.

7. The automobile engine bracket welding robot workstation according to claim 1, characterized in that: The wire cutting assembly comprises a fixed frame, a cylinder and a support pad, the left side of the fixed frame is provided with a cylinder, the right side of the fixed frame is provided with a support pad, and the support pad corresponds to the cylinder; A first support plate is provided at the left end of the fixing frame, and the cylinder is fixedly connected to the first support plate; a second support plate is provided at the right end of the fixing frame, and the support pad is located on the left side of the second support plate; A telescopic rod is provided on the cylinder, a cutting blade is provided at the right end of the telescopic rod, and the cutting blade matches the supporting pad; Three limit slide bars are arranged on the right side of the support pad, a connecting plate is arranged between the right ends of the three limit slide bars, the three limit slide bars are distributed in parallel up and down, and a compression spring is mounted on the middle limit slide bar, and the compression spring is supported between the second support plate and the support pad.

Images