Novel workpiece positioning mechanism for welding robot

Abstract

The novel workpiece positioning mechanism for the welding robot comprises two supports, positioning blocks are fixedly installed on the supports, pneumatic clamps are rotatably installed on the opposite sides of the two positioning blocks, a driving piece is installed in the positioning block on the left side, the driving piece is connected and matched with the pneumatic clamp on the left side, and the pneumatic clamps are connected and matched with the pneumatic clamps on the right side. And a carrier plate is clamped and fixed between the two pneumatic clamps. The driving piece is started to drive the carrying plate to rotate at multiple angles, multi-angle welding of the welding robot is facilitated, meanwhile, when a gap in the back face of a workpiece needs to be welded, only the driving piece needs to be started to drive the carrying plate to turn over by 180 degrees, and the bottom face of the carrying plate faces upwards at the moment; and then the welding robot welds a welding seam on the back face of the workpiece through the through groove, so that the device has the advantages that repeated disassembly and assembly are not needed, the double faces of the workpiece are welded at a time, and the workpieces of multiple sizes are flexibly clamped in a matched mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece positioning technical field, concretely relates to a novel workpiece positioning mechanism for welding robot. BACKGROUND

[0002] On the welding robot work production line, the workpiece to be welded and reinforced often needs to be fixed, and accurate positioning is required. At this time, a workpiece positioning mechanism is needed, which requires simple structure, stable operation, high positioning accuracy and low failure rate.

[0003] However, the current welding robot needs to weld workpieces of different sizes and butt joint parts, and double-sided welding is required during welding, which requires the workpiece to be disassembled, turned over and clamped again on the positioning mechanism, greatly reducing the workpiece welding efficiency and not flexible enough in size adaptation. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model aims to provide a novel workpiece positioning mechanism for welding robot to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme.

[0006] A novel workpiece positioning mechanism for welding robot, comprising two supports, the supports are fixedly installed with positioning blocks, the opposite sides of the two positioning blocks are rotatably installed with pneumatic clamps, the inside of the left positioning block is installed with a driving element, the driving element is connected and matched with the left pneumatic clamp, a carrier plate is clamped and fixed between the two pneumatic clamps, two parallel limiting grooves are formed in the carrier plate, two symmetrical moving mechanisms are installed in the inside of the limiting grooves, a sliding block is installed on the moving mechanism, the outside of the sliding block is slidably connected to the inside of the limiting groove, a multi-angle clamping element is installed in the inside of the sliding block, a through groove is formed in the carrier plate, and the through groove is located between the two limiting grooves.

[0007] As a further description of the above technical scheme: the driving element comprises a servo motor and a rotating disc, the servo motor is fixedly installed in the inside of the left positioning block, the output end of the servo motor is fixedly connected with the rotating disc through a shaft coupling, and the other side of the rotating disc is fixedly connected with the left pneumatic clamp.

[0008] As a further description of the above technical scheme: the moving mechanism comprises a horizontal air cylinder and a sliding plate, the outside of the horizontal air cylinder is fixedly connected to the bottom of the carrier plate, the top of the sliding plate is slidably connected to the bottom of the carrier plate, the movable end of the horizontal air cylinder is fixedly connected with the sliding plate, and the bottom of the sliding block is fixedly connected with the sliding plate.

[0009] As a further description of the above technical scheme: the multi-angle clamping piece comprises a servo motor, a vertical cylinder and an I-shaped clamping block, the servo motor is fixedly installed to the inside of the sliding block, the output end of the servo motor is fixedly connected with the vertical cylinder through a shaft coupling, and the movable end of the vertical cylinder is fixedly connected with one end of the I-shaped clamping block.

[0010] As a further description of the above technical scheme: the vertical section of the through groove is a symmetrical tooth groove.

[0011] As a further description of the above technical scheme: the inside of the through groove is fixedly connected with a middle clamping block.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The device has the advantages of no need of repeated disassembly, welding of both sides of the workpiece at one time, and flexible and adaptive clamping of workpieces of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the structure of the utility model;

[0015] Figure 2 It is a front view of the structure of the utility model; Figure 1 It is an enlarged schematic view of the middle A part structure;

[0016] Figure 3 It is a front view of the structure of the utility model; Figure 1 ;

[0017] Figure 4 It is a front view of the structure of the utility model; Figure 2 .

[0018] Mark number explanation in the drawing:

[0019] 1, support; 2, positioning block; 3, pneumatic clamp; 4, driving part; 41, servo motor; 42, rotating disc; 5, carrier plate; 6, limit groove; 7, moving mechanism; 71, horizontal cylinder; 72, sliding plate; 8, sliding block; 9, multi-angle clamping piece; 91, servo motor; 92, vertical cylinder; 93, I-shaped clamping block; 10, through groove; 101, tooth groove; 102, middle clamping block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1 to 4The utility model discloses a novel workpiece positioning mechanism for welding robot, including two supports 1, the fixed mounting of positioning block 2 has on support 1, the opposite side of two positioning blocks 2 all rotatoryly installs pneumatic fixture 3, the inside installation of left positioning block 2 has drive part 4, and drive part 4 is connected with left pneumatic fixture 3 and cooperates, and the clamping fixed of two pneumatic fixtures 3 has carrier plate 5 between, and two parallel limit grooves 6 are set up on carrier plate 5, and the inside installation of limit groove 6 has two symmetrical mobile mechanisms 7, and the sliding block 8 is installed on mobile mechanism 7, and the outside sliding connection of sliding block 8 is to the inside of limit groove 6, and the inside installation of sliding block 8 has multi-angle clamping piece 9, and the through slot 10 is set up on carrier plate 5, and the through slot 10 is between two limit grooves 6.

[0022] The utility model discloses a novel workpiece positioning mechanism for welding robot, including two supports 1, the fixed mounting of positioning block 2 has on support 1, the opposite side of two positioning blocks 2 all rotatoryly installs pneumatic fixture 3, the inside installation of left positioning block 2 has drive part 4, and drive part 4 is connected with left pneumatic fixture 3 and cooperates, and the clamping fixed of two pneumatic fixtures 3 has carrier plate 5 between, and two parallel limit grooves 6 are set up on carrier plate 5, and the inside installation of limit groove 6 has two symmetrical mobile mechanisms 7, and the sliding block 8 is installed on mobile mechanism 7, and the outside sliding connection of sliding block 8 is to the inside of limit groove 6, and the inside installation of sliding block 8 has multi-angle clamping piece 9, and the through slot 10 is set up on carrier plate 5, and the through slot 10 is between two limit grooves 6.

[0023] Please refer to Figure 2 Among them: drive part 4 includes servo motor 41 and rotary disc 42, and the fixed installation of servo motor 41 is to the inside of left positioning block 2, and the fixed connection of the output of servo motor 41 through coupling and rotary disc 42, and the fixed connection of the other side of rotary disc 42 and left pneumatic fixture 3.

[0024] The utility model discloses a novel workpiece positioning mechanism for welding robot, including two supports 1, the fixed mounting of positioning block 2 has on support 1, the opposite side of two positioning blocks 2 all rotatoryly installs pneumatic fixture 3, the inside installation of left positioning block 2 has drive part 4, and drive part 4 is connected with left pneumatic fixture 3 and cooperates, and the clamping fixed of two pneumatic fixtures 3 has carrier plate 5 between, and two parallel limit grooves 6 are set up on carrier plate 5, and the inside installation of limit groove 6 has two symmetrical mobile mechanisms 7, and the sliding block 8 is installed on mobile mechanism 7, and the outside sliding connection of sliding block 8 is to the inside of limit groove 6, and the inside installation of sliding block 8 has multi-angle clamping piece 9, and the through slot 10 is set up on carrier plate 5, and the through slot 10 is between two limit grooves 6.

[0025] Please refer to Figure 2The moving mechanism 7 comprises a horizontal cylinder 71 and a sliding plate 72, the outer side of the horizontal cylinder 71 is fixedly connected to the bottom of the carrier plate 5, the top of the sliding plate 72 is slidably connected to the bottom of the carrier plate 5, the movable end of the horizontal cylinder 71 is fixedly connected with the sliding plate 72, and the bottom of the sliding block 8 is fixedly connected with the sliding plate 72.

[0026] In the utility model, the horizontal cylinder 71 is started to drive the sliding plate 72 to move linearly, so that the sliding block 8 moves along the inside of the limiting groove 6, the multi-angle clamping piece 9 is driven to realize displacement, the clamping point is adjusted, and the workpiece size is adapted.

[0027] Please refer to Figure 2 The multi-angle clamping piece 9 comprises a servo motor 91, a vertical cylinder 92 and a I-shaped clamping block 93, the servo motor 91 is fixedly installed in the inside of the sliding block 8, the output end of the servo motor 91 is fixedly connected with the vertical cylinder 92 through a shaft coupling, and the movable end of the vertical cylinder 92 is fixedly connected with one end of the I-shaped clamping block 93.

[0028] In the utility model, the servo motor 91 is started to drive the vertical cylinder 92 to rotate, so that the I-shaped clamping block 93 is driven to rotate at an angle, workpieces of different shapes are adapted for clamping, and the I-shaped clamping block 93 is driven to move vertically by the vertical cylinder 92, so that the workpiece is vertically clamped and positioned.

[0029] Please refer to Figure 3 and Figure 4 The vertical section of the through groove 10 is a symmetrical tooth groove 101.

[0030] In the utility model, the tooth groove 101 is used to adapt to different bottom weld positions when the workpiece is placed, so that the use is more flexible, and the stable supporting effect is maintained.

[0031] Please refer to Figure 3 and Figure 4 The inside of the through groove 10 is fixedly connected with a middle block 102.

[0032] In the utility model, the middle block 102 is used to make the supporting effect of the carrier plate 5 on the workpiece better, so that the suspended area of the bottom of the workpiece is prevented from being too large, and the welding stability is ensured.

[0033] The above merely describes a preferred specific implementation manner of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art, according to the technical scheme and the improved conception of the utility model, makes equivalent replacement or change within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A novel workpiece positioning mechanism for welding robots, comprising two supports (1), characterized in that: The support (1) is fixedly installed with a positioning block (2), two opposite sides of the positioning block (2) are rotatably installed with pneumatic clamps (3), the left positioning block (2) is internally installed with a driving piece (4), the driving piece (4) is connected with the left pneumatic clamp (3), two pneumatic clamps (3) are clamped and fixed with a carrier plate (5), the carrier plate (5) is provided with two parallel limiting grooves (6), the limiting grooves (6) are internally installed with two symmetrically arranged moving mechanisms (7), the moving mechanisms (7) are installed with sliding blocks (8), the sliding blocks (8) are slidably connected to the inside of the limiting grooves (6), the sliding blocks (8) are internally installed with multi-angle clamping pieces (9), the carrier plate (5) is provided with a through groove (10), and the through groove (10) is located between the two limiting grooves (6).

2. A novel workpiece positioning mechanism for welding robots as claimed in claim 1, wherein: The driving piece (4) comprises a servo motor (41) and a rotating disc (42), the servo motor (41) is fixedly installed in the left positioning block (2), the output end of the servo motor (41) is fixedly connected with the rotating disc (42) through a shaft coupling, and the other side of the rotating disc (42) is fixedly connected with the left pneumatic clamp (3).

3. A novel workpiece positioning mechanism for welding robots as claimed in claim 1, wherein: The moving mechanism (7) comprises a horizontal air cylinder (71) and a sliding plate (72), the outer side of the horizontal air cylinder (71) is fixedly connected to the bottom of the carrier plate (5), the top of the sliding plate (72) is slidably connected to the bottom of the carrier plate (5), the movable end of the horizontal air cylinder (71) is fixedly connected with the sliding plate (72), and the bottom of the sliding block (8) is fixedly connected with the sliding plate (72).

4. A novel workpiece positioning mechanism for welding robots as claimed in claim 1, wherein: The multi-angle clamping piece (9) comprises a servo motor (91), a vertical air cylinder (92) and a I-shaped clamp block (93), the servo motor (91) is fixedly installed in the sliding block (8), the output end of the servo motor (91) is fixedly connected with the vertical air cylinder (92) through a shaft coupling, and the movable end of the vertical air cylinder (92) is fixedly connected with one end of the I-shaped clamp block (93).

5. A novel workpiece positioning mechanism for welding robots as claimed in claim 1, wherein: The vertical section of the through groove (10) is a symmetrical tooth groove (101).

6. A novel workpiece positioning mechanism for welding robots as claimed in claim 1, wherein: The through groove (10) is internally fixedly connected with a middle block (102).

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