Rapid positioning device for work fixture of robot work station

Abstract

The utility model discloses a quick positioning device for a work fixture of a robot workstation, which belongs to the technical field of welding robot fixture devices and comprises a base and a welding machine arm arranged on one side of the base. A sliding rail is fixed to the top of the base, a first sliding seat and a second sliding seat are slidably connected to the top of the sliding rail, supporting plates are fixedly connected to the top of the first sliding seat and the top of the second sliding seat, and electric rotating chucks are arranged on the outer walls, facing each other, of the two supporting plates. One end of the first sliding seat and one end of the second sliding seat are fixedly connected with mounting seats, the tops of the mounting seats are fixedly connected with motors, the tops of the sliding rails are fixedly connected with racks, output shafts of the motors are vertically and downwards in transmission connection with gears, and the gears are meshed with the racks; the steel pipe butt joint device can be rapidly suitable for placing and butt joint of steel pipes with different lengths and positioning the steel pipes at the welding positions, tedious disassembly and assembly by personnel are not needed, and the steel pipe butt joint device is more convenient to use and saves time.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robot fixture devices, in particular to a robot workstation fixture rapid positioning device. Background Art

[0002] Industrial robots are usually mechanical equipment that works automatically through robotic arms. In order to effectively increase the automation and intelligence of welding systems, welding robots have also been designed and manufactured, which can effectively improve welding efficiency and welding quality.

[0003] The welding robot workstation is a group of equipment that is composed of a robot arm and corresponding peripheral equipment, such as fixtures, etc., and with the help of manual auxiliary operation, it completes a relatively independent operation or process. The welding robot workstation is an important part of the automatic welding system.

[0004] At present, the welding robot workstation often performs welding operations including welding of steel pipes. Two steel pipes are coaxially butted together by a fixture and then welded to meet the use requirements.

[0005] In current steel pipe butt welding operations, the two steel pipes that need to be welded together are often of different lengths, which results in the need for manual disassembly and assembly of tooling fixtures and steel pipe positions to be adjusted and positioned to the welding positions pre-set by the welding robot. This is cumbersome and time-consuming, and not efficient or convenient enough.

[0006] Based on this, the utility model designs a robot workstation fixture rapid positioning device to solve the above problems. Summary of the invention

[0007] The utility model aims to provide a rapid positioning device for a tooling fixture of a robot workstation to solve the above technical problems.

[0008] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a rapid positioning device for a robot workstation tooling fixture, comprising: a base and a welding robot arm, the welding robot arm is arranged on one side of the base; a slide rail is fixed on the top of the base, and the top of the slide rail is respectively slidably connected with a first slide and a second slide, the top of the first slide and the second slide are both fixedly connected with a support plate, and the outer walls of the two support plates facing each other are provided with an electric rotating chuck, one end of the first slide and the second slide are both fixedly connected with a mounting seat, the top of the mounting seat is fixedly connected with a motor, the top of the slide rail is fixedly connected with a rack, the motor output shaft is vertically downwardly connected with a gear, and the gear is meshed with the rack; a docking mechanism is provided on the outer wall of the slide rail, and the docking mechanism includes two docking slots and a docking block.

[0009] Preferably, the two docking blocks are symmetrically fixed to one end of the slide rail, and a threaded groove is formed on the top of the docking blocks.

[0010] Preferably, the two docking slots are symmetrically arranged at the other end of the slide rail away from the docking plug block.

[0011] Preferably, the docking mechanism further comprises two symmetrical grooves formed on the top of the slide rail, and auxiliary holes are formed in both grooves.

[0012] Preferably, the two auxiliary holes are respectively connected vertically downward to the two docking slots.

[0013] Preferably, the top of the slide rail is fixedly connected to a chassis, the top of the chassis is fixedly connected to an electric cylinder, and the top of the electric cylinder is fixedly connected to a supporting block.

[0014] Preferably, a telescopic rod is provided between the support block and the chassis.

[0015] Compared with the prior art, the utility model has the following beneficial effects: when the two steel pipes are of different lengths, the steel pipes can be directly mounted on the electric rotary chuck, and the steel pipes of different lengths can be quickly placed, docked and positioned at the welding position by moving the first slide and the second slide, without the need for tedious disassembly and assembly by personnel, which is more convenient and saves time;

[0016] When the length of the used slide rail does not meet the length of the steel pipe that needs to be welded, another slide rail of the same type can be spliced ​​with the slide rail in use through a docking mechanism to increase the sliding range of the first slide seat and the second slide seat to meet the welding requirements of steel pipes of greater lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0019] Figure 2 The schematic diagram of the motor structure is highlighted for this embodiment;

[0020] Figure 3 This is a schematic diagram of the structure of the docking plug block highlighted in this embodiment;

[0021] Figure 4 This is a schematic diagram showing the structure of the docking slot in this embodiment;

[0022] Figure 5This is a schematic diagram of the supporting block structure of this embodiment.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Base; 2. Slide rail; 3. First slide; 4. Second slide; 5. Rack; 6. Mounting seat; 7. Motor; 8. Gear; 9. Support plate; 10. Electric rotary chuck; 11. Welding robot arm; 12. Chassis; 13. Electric cylinder; 14. Support block; 15. Docking block; 16. Thread groove; 17. Docking slot; 18. Groove; 19. Auxiliary hole; 20. Telescopic rod. DETAILED DESCRIPTION

[0025] 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 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.

[0026] See also Figure 1-5 The utility model provides a technical solution: a rapid positioning device for a robot workstation fixture, comprising: a base 1 and a welding robot arm 11, the welding robot arm 11 is arranged on one side of the base 1; a slide rail 2 is fixed on the top of the base 1, and a first slide seat 3 and a second slide seat 4 are slidably connected to the top of the slide rail 2 respectively, and a support plate 9 is fixedly connected to the top of the first slide seat 3 and the second slide seat 4, and an electric rotating chuck 10 is arranged on the outer walls of the two support plates 9 facing each other, and one end of the first slide seat 3 and the second slide seat 4 is fixedly connected to a mounting seat 6, and a motor 7 is fixedly connected to the top of the mounting seat 6, and a rack 5 is fixedly connected to the top of the slide rail 2, and the output shaft of the motor 7 is vertically downwardly connected to a gear 8, and the gear 8 is meshed with the rack 5; a docking mechanism is arranged on the outer wall of the slide rail 2, and the docking mechanism includes two docking slots 17 and a docking plug 15;

[0027] The welding robot arm 11 is located on one side of the base 1 for operation. The first slide 3 and the second slide 4 can be slidably placed on the track of the slide rail 2. The motor 7 controls the gear 8 to rotate forward or reverse to cooperate with the fixed rack 5 to provide translational force for the first slide 3 and the second slide 4, and then drives the electric rotating chuck 10 to move closer or farther away from each other to quickly adapt to the clamping of steel pipes with longer lengths. The slide rail 2 in use can be connected with the docking slot 17 or the docking block 15 of another same type of slide rail 2 through the docking block 15 or the docking slot 17, thereby increasing the movable range of the first slide 3 and the second slide 4 and adapting to welding operations for steel pipes with longer lengths.

[0028] Preferably, two docking blocks 15 are symmetrically fixed to one end of the slide rail 2, and a threaded groove 16 is provided on the top of the docking blocks 15;

[0029] One end of the slide rail 2 is plugged into a docking slot 17 of another slide rail 2 of the same type through a docking plug block 15 , and the threaded groove 16 of the docking plug block 15 is used to assist in fixing the docking plug block 15 after it is inserted into the docking slot 17 .

[0030] Preferably, two docking slots 17 are symmetrically opened at the other end of the slide rail 2 away from the docking plug block 15;

[0031] One end of the slide rail 2 is plugged into another slide rail 2 of the same type through a docking slot 17 and a docking block 15 , thereby splicing the auxiliary slide rails 2 .

[0032] Preferably, the docking mechanism further includes two symmetrical grooves 18 formed on the top of the slide rail 2, and auxiliary holes 19 are formed in the two grooves 18;

[0033] The auxiliary hole 19 is used to assist the bolt in inserting into the docking slot 17 , and the groove 18 is designed to accommodate the screwing end of the bolt without protruding and affecting the sliding of the first slide seat 3 and the second slide seat 4 .

[0034] Preferably, the two auxiliary holes 19 are respectively connected vertically downward to the two docking slots 17;

[0035] The thread groove 16 of the docking plug 15 inserted into the docking slot 17 is vertically connected to the auxiliary hole 19 , which facilitates the bolt to be screwed in through the auxiliary hole 19 to stabilize the docking plug 15 in the docking slot 17 .

[0036] Preferably, the top of the slide rail 2 is fixedly connected to a chassis 12, the top of the chassis 12 is fixedly connected to an electric cylinder 13, and the top of the electric cylinder 13 is fixedly connected to a support block 14;

[0037] The top of the support block 14 is a predetermined welding position for the welding robot arm 11 , and a downward arc-shaped groove 18 is formed on the top of the support block 14 for placing the joint of two steel pipes.

[0038] Preferably, a telescopic rod 20 is provided between the support block 14 and the chassis 12;

[0039] One end of the telescopic rod 20 is fixed to the bottom of the support block 14, and the other end is fixed to the top of the chassis 12, and the telescopic rod 20 follows the support block 14 to extend and retract, so that the support block 14 is not easily offset to affect welding.

[0040] A specific application of this embodiment is: just insert two steel pipes that need to be butt-welded together into the bayonet holes of two electric rotary chucks 10 respectively, and the electric rotary chucks 10 clamp the steel pipes, and then just control the gear 8 to rotate by the motor 7, and use the cooperation of the gear 8 and the rack 5 to make the first slide 3 and the second slide 4 approach each other, so that the welding ends of the two steel pipes are butt-welded together, and according to the butt joint of the two steel pipes, the positioning is moved to the predetermined welding position of the welding robot arm 11 on the top of the support block 14;

[0041] When the two steel pipes are of different lengths, the steel pipes can also be directly mounted on the electric rotary chuck 10, and the two steel pipe welding ends can be quickly spliced ​​by moving the first slide 3 and the second slide 4, and the spliced ​​portion can be moved and positioned to a predetermined welding position of the welding robot arm 11;

[0042] When the length of the slide rail 2 in use does not meet the length of the steel pipe that needs to be welded, another slide rail 2 of the same type can be spliced ​​with the slide rail 2 in use, and the docking plug block 15 of the slide rail 2 in use can be plugged into the docking slot 17 of the additional slide rail 2, and the bolt is inserted into the auxiliary hole 19 of the groove 18 so that its threaded end is connected to the threaded groove 16 of the docking plug block 15, so that the slide rail 2 and rack 5 in use and the additional slide rail 2 and rack 5 are fit and spliced, so that the sliding range of the first slide seat 3 and the second slide seat 4 is increased to meet the welding requirements of steel pipes of greater lengths.

[0043] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Robot workstation fixture rapid positioning device, including: A base (1) and a welding machine arm (11), wherein the welding machine arm (11) is arranged on one side of the base (1); characterized in that a slide rail (2) is fixed on the top of the base (1), and a first slide seat (3) and a second slide seat (4) are slidably connected to the top of the slide rail (2), respectively; the tops of the first slide seat (3) and the second slide seat (4) are fixedly connected to a support plate (9), and the outer walls of the two support plates (9) facing each other are provided with an electric rotating chuck (10), one end of the first slide seat (3) and the second slide seat (4) are fixedly connected to a mounting seat (6), the top of the mounting seat (6) is fixedly connected to a motor (7), the top of the slide rail (2) is fixedly connected to a rack (5), and the output shaft of the motor (7) is vertically downwardly connected to a gear (8), and the gear (8) is meshed with the rack (5); the outer wall of the slide rail (2) is provided with a docking mechanism, and the docking mechanism includes two docking slots (17) and a docking plug block (15).

2. The rapid positioning device for tooling fixtures of a robot workstation according to claim 1, characterized in that: The two docking plug blocks (15) are symmetrically fixed to one end of the slide rail (2), and a threaded groove (16) is formed on the top of the docking plug blocks (15).

3. The rapid positioning device for tooling fixtures of a robot workstation according to claim 1, characterized in that: Two docking slots (17) are symmetrically arranged at the other end of the slide rail (2) away from the docking plug block (15).

4. The rapid positioning device for tooling fixtures of a robot workstation according to claim 3, characterized in that: The docking mechanism further comprises two symmetrical grooves (18) formed on the top of the slide rail (2), and auxiliary holes (19) are formed in the two grooves (18).

5. The rapid positioning device for tooling fixtures of a robot workstation according to claim 4, characterized in that: The two auxiliary holes (19) are respectively connected vertically downward to the two docking slots (17).

6. The rapid positioning device for tooling fixtures of a robot workstation according to claim 1, characterized in that: The top of the slide rail (2) is fixedly connected to a chassis (12), the top of the chassis (12) is fixedly connected to an electric cylinder (13), and the top of the electric cylinder (13) is fixedly connected to a support block (14).

7. The rapid positioning device for tooling fixtures of a robot workstation according to claim 6, characterized in that: A telescopic rod (20) is provided between the support block (14) and the chassis (12).

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