Expandable welding manipulator

By designing an scalable welding robot, which utilizes a cylinder-driven rack and pinion mechanism and a T-shaped slider to fix the gripper position, the problem of the existing robot's gripping limit distance is solved, enabling flexible adjustment of the gripping distance and convenient tool replacement.

CN223656312UActive Publication Date: 2025-12-12高兴 +1
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Patent Information

Application Number
CN202422858918.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-12-12
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing robotic arms have a limited gripping distance when holding welding items, which necessitates replacing the robotic arm to accommodate larger items, and is difficult to adjust.

Method used

An scalable welding robot was designed. A vertical sliding plate driven by a cylinder drives a gear and rack mechanism, which allows the gripper to slide on a horizontal sliding plate. The gripper position is fixed by a T-shaped slider and a fixed pin, and the gripping distance is adjustable.

Benefits of technology

It achieves adjustable clamping distance, adapts to the clamping needs of items of different sizes, reduces tool change time, and improves operational flexibility and maintenance convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an extensible welding manipulator, which relates to the field of welding manipulators and comprises a fixing plate, an air cylinder is fixed at the bottom end of the fixing plate, a vertical sliding plate is connected to the telescopic end of the bottom of the air cylinder, fixing shafts are fixed on two sides of the vertical sliding plate, large gears are rotatably connected to the outer sides of the two fixing shafts, and the large gears are rotatably connected to the outer sides of the large gears. Two large gears are arranged on the two sides of the vertical sliding plate, small gears are fixed to one sides of the two large gears, a sliding groove is formed in the lower portion of the vertical sliding plate, two transverse sliding plates are arranged in the sliding groove in a sliding fit mode, the two large gears are engaged with one sides of the transverse sliding plates correspondingly, and after the positions of the two clamping hands are changed at the bottom ends of the corresponding transverse sliding plates, the two clamping hands are clamped. And then the telescopic end of the air cylinder is started to stretch out downwards, at the moment, the farthest limit distance between the two clamping hands can be prolonged, and welding objects with larger sizes can be clamped.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding manipulator, especially a scalable welding manipulator. BACKGROUND

[0002] At present, the manipulator application has been widely used, and the manipulator is applied to material handling, product grabbing, product cutting processing, welding and various stations, which facilitates production and solves the problem of labor cost.

[0003] The existing manipulator has its own limit clamping distance when clamping and welding articles, and the clamping manipulator size needs to be replaced when clamping larger articles, which is not easy to adjust.

[0004] Therefore, it is necessary to provide a scalable welding manipulator to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a scalable welding manipulator to solve the problem that the existing manipulator has its own limit clamping distance when clamping and welding articles, and the clamping manipulator size needs to be replaced when clamping larger articles, which is not easy to adjust.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a scalable welding manipulator, comprising a fixed plate, the bottom end of the fixed plate is fixed with a gas cylinder, the telescopic end of the bottom of the gas cylinder is connected with a vertical sliding plate, the both sides of the vertical sliding plate are fixed with fixed shafts, the outer sides of the two fixed shafts are rotatably connected with large gears, one side of the two large gears is fixed with a small gear, the lower side of the vertical sliding plate is provided with a sliding groove, the sliding groove is slidably connected with two horizontal sliding plates, one side of the two large gears and the horizontal sliding plates is engaged, the side surface of the two small gears and the vertical sliding plate is correspondingly engaged, the bottom end of the two horizontal sliding plates is slidably provided with a clamping hand, the opposite side of the two clamping hands is provided with an antiskid tooth, and the side away from each other of the two clamping hands is provided with a clamping circular groove.

[0007] Preferably, the fixed plate is fixed with a sliding rail for the sliding cooperation of the vertical sliding plate, and the sliding groove is arranged on the fixed plate.

[0008] Preferably, the both sides of the vertical sliding plate are provided with a first tooth pattern engaged with the corresponding small gear, the top end of the two horizontal sliding plates is provided with a second tooth pattern engaged with the corresponding large gear, and the inner circle of the two small gears is rotatably connected to the corresponding fixed shaft.

[0009] Preferably, the top end of the two clamping hands is fixed with a T-shaped sliding block, the bottom end of the two transverse sliding plates is provided with a T-shaped slot for sliding through the corresponding T-shaped sliding block, and the T-shaped slot is distributed along the length direction of the corresponding transverse sliding plate.

[0010] Preferably, one side of the two transverse sliding plates is provided with a through hole, a plurality of through holes are provided, and the plurality of through holes are equidistantly distributed along the length direction of the corresponding transverse sliding plate, the through hole and the corresponding T-shaped slot are in communication, a fixed insertion column is inserted into the through hole, and one side of the T-shaped sliding block is provided with a socket for inserting the end of the corresponding fixed insertion column.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. In the actual operation of the utility model, when the farthest limit distance between the two clamping hands needs to be expanded, the clamping hands can slide at the bottom end of the corresponding transverse sliding plate through the T-shaped sliding block, so that the two clamping hands can slide away from each other, and after the sliding position is completed, the position of the clamping hand can be fixed by using the fixed insertion column, so that the movement of the clamping hand is avoided.

[0013] 2. When the position of the two clamping hands is changed at the bottom end of the corresponding transverse sliding plate, the extension end of the air cylinder is started to extend downward, at this time, the farthest limit distance between the two clamping hands is extended, and can be used for clamping larger size welding articles.

[0014] 3. Further, since the clamping hand can slide at the bottom end of the corresponding transverse sliding plate, the two clamping hands can be conveniently disassembled, convenient for replacement and maintenance in the later period, and after disassembly, the two clamping hands can change direction, so that the circular grooves on the two clamping hands can be arranged close to each other, for clamping circular objects, and when the anti-skid teeth in the initial state are close to each other, square and relatively slippery articles can be clamped, which can be adaptively selected and used, convenient for personnel operation, and the time for replacing clamping tools is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the expandable welding mechanical hand of the utility model.

[0016] Figure 2 It is a structure schematic view of the expandable welding mechanical hand of the utility model. Figure 1 It is an enlarged schematic view of A in the utility model.

[0017] Figure 3 It is a structure schematic view of the clamping hand direction changing structure of the utility model.

[0018] In the drawing: 1, fixed plate; 2, air cylinder; 3, vertical sliding plate; 4, large gear; 5, small gear; 6, fixed shaft; 7, sliding groove; 8, transverse sliding plate; 9, T-shaped sliding block; 10, through hole; 11, fixed insertion column; 12, clamping hand; 13, anti-skid tooth; 14, circular groove; 15, sliding rail. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] This utility model provides, for example Figure 1 - Figure 3 An expandable welding robot shown includes a fixed plate 1, a cylinder 2 fixed to the bottom of the fixed plate 1, a vertical sliding plate 3 connected to the telescopic end of the bottom of the cylinder 2, fixed shafts 6 fixed on both sides of the vertical sliding plate 3, a slide rail 15 fixed on the fixed plate 1 for sliding cooperation of the vertical sliding plate 3, and a slide groove 7 opened on the fixed plate 1. When the cylinder 2 is started, it can extend downwards, and the telescopic end can allow the vertical sliding plate 3 to move vertically on the slide rail 15.

[0021] Large gears 4 are rotatably connected to the outer sides of the two fixed shafts 6. Small gears 5 are fixed to one side of each of the two large gears 4. A sliding groove 7 is provided below the vertical sliding plate 3. Two horizontal sliding plates 8 are slidably fitted in the sliding groove 7. The two large gears 4 mesh with one side of the horizontal sliding plate 8 respectively, and the two small gears 5 mesh with the corresponding side of the vertical sliding plate 3 respectively. A clamp 12 is slidably provided at the bottom of each of the two horizontal sliding plates 8. Anti-slip teeth 13 are provided on the opposite side of the two clamps 12, and clamping grooves 14 are provided on the side of the two clamps 12 that are far apart from each other.

[0022] The top of each of the two grippers 12 is fixed with a T-shaped slider 9. The bottom of the two horizontal sliding plates 8 is provided with a T-shaped groove for the corresponding T-shaped slider 9 to slide through. The T-shaped groove is distributed along the length of the corresponding horizontal sliding plate 8. By sliding the horizontal sliding plate 8, the corresponding gripper 12 can be moved.

[0023] The vertical sliding plate 3 has first teeth on both sides that mesh with the corresponding small gear 5, and the top of the two horizontal sliding plates 8 has second teeth that mesh with the corresponding large gear 4. The inner rings of the two small gears 5 are rotatably connected to the corresponding fixed shaft 6.

[0024] In the actual operation of the utility model, the vertical sliding plate 3 extends downward, can drive the corresponding pinion 5 to rotate through the first tooth, the pinion 5 rotates simultaneously, can drive the corresponding fixed gear wheel 4 to rotate, the gear wheel 4 drives the corresponding horizontal sliding plate 8 to slide on the sliding slot 7, makes two horizontal sliding plates 8 can move away from each other, to let the distance between two horizontal sliding plates 8, convenient clamping welding article.

[0025] Similarly, the retraction of the cylinder 2 can make the two horizontal sliding plates 8 close to each other for clamping welding articles.

[0026] The two horizontal sliding plates 8 are provided with through holes 10 on one side, the through holes 10 are provided with multiple, and the multiple through holes 10 are equidistantly distributed along the length direction of the corresponding horizontal sliding plate 8, the through hole 10 and the corresponding T-shaped slot are communicated, the fixed insertion column 11 is inserted into the through hole 10, the T-shaped sliding block 9 is provided with a socket on one side for inserting the end of the corresponding fixed insertion column 11, and the two clamping hands 12 can be fixed to the bottom end of the corresponding horizontal sliding plate 8 through the fixed insertion column 11.

[0027] In the actual operation of the utility model, when the farthest limit distance between the two clamping hands 12 needs to be expanded, the clamping hand 12 can slide at the bottom end of the corresponding horizontal sliding plate 8 through the T-shaped sliding block 9, so that the two clamping hands 12 can slide away from each other, and after the sliding position is completed, the position of the clamping hand 12 can be fixed by using the fixed insertion column 11 to avoid the movement of the clamping hand 12.

[0028] When the positions of the two clamping hands 12 are changed at the bottom end of the corresponding horizontal sliding plate 8, the extension end of the cylinder 2 is extended downward, and at this time, the farthest limit distance between the two clamping hands 12 is extended, which can be used for clamping larger size welding articles.

[0029] Further, since the clamping hand 12 can slide at the bottom end of the corresponding horizontal sliding plate 8, the two clamping hands 12 can be easily disassembled, and the direction of the two clamping hands 12 can be changed, so that the circular grooves 14 on the two clamping hands 12 can be arranged close to each other for clamping circular objects, and when the anti-skid teeth 13 in the initial state are close to each other (the initial state is that the two anti-skid teeth 13 are arranged close to each other), square and slippery surface articles can be clamped, which can be adaptively selected and used, facilitating personnel operation and reducing the time for replacing clamping tools.

Claims

1. An expandable welding robot, comprising a fixed plate (1), characterized in that: A cylinder (2) is fixed to the bottom end of the fixed plate (1). A vertical sliding plate (3) is connected to the telescopic end of the bottom of the cylinder (2). A fixed shaft (6) is fixed to both sides of the vertical sliding plate (3). A large gear (4) is rotatably connected to the outer side of the two fixed shafts (6). A small gear (5) is fixed to one side of the two large gears (4). A sliding groove (7) is provided below the vertical sliding plate (3). Two horizontal sliding plates (8) are slidably fitted in the sliding groove (7). The two large gears (4) mesh with one side of the horizontal sliding plate (8) respectively. The two small gears (5) mesh with the corresponding side of the vertical sliding plate (3) respectively. A clamp (12) is slidably provided at the bottom end of the two horizontal sliding plates (8). Anti-slip teeth (13) are provided on the opposite side of the two clamps (12). A clamping groove (14) is provided on the side of the two clamps (12) that are far apart from each other.

2. The scalable welding robot according to claim 1, characterized in that: The fixed plate (1) is fixed with a slide rail (15) for sliding cooperation of the vertical sliding plate (3), and the slide groove (7) is opened on the fixed plate (1).

3. The scalable welding robot according to claim 1, characterized in that: The vertical sliding plate (3) has first teeth on both sides that mesh with the corresponding small gear (5), and the top of the two horizontal sliding plates (8) has second teeth that mesh with the corresponding large gear (4). The inner rings of the two small gears (5) are rotatably connected to the corresponding fixed shaft (6).

4. The scalable welding robot according to claim 1, characterized in that: The top of each of the two grippers (12) is fixed with a T-shaped slider (9), and the bottom of the two horizontal sliding plates (8) is provided with a T-shaped groove for the corresponding T-shaped slider (9) to slide through, and the T-shaped groove is distributed along the length direction of the corresponding horizontal sliding plate (8).

5. The scalable welding robot according to claim 4, characterized in that: Each of the two transverse sliding plates (8) has a through hole (10) on one side. Multiple through holes (10) are provided and are distributed at equal distances along the length of the corresponding transverse sliding plate (8). The through holes (10) are connected to the corresponding T-shaped grooves. A fixed post (11) is inserted into the through hole (10). A socket for inserting the end of the corresponding fixed post (11) is provided on one side of the T-shaped slider (9).