CN117484053A - Automatic welding robot for hydraulic excavator assembly - Google Patents
Automatic welding robot for hydraulic excavator assembly Download PDFInfo
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- CN117484053A CN117484053A CN202311464448.4A CN202311464448A CN117484053A CN 117484053 A CN117484053 A CN 117484053A CN 202311464448 A CN202311464448 A CN 202311464448A CN 117484053 A CN117484053 A CN 117484053A
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- 238000003466 welding Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000003032 molecular docking Methods 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims description 26
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of excavator equipment production and processing, in particular to an automatic welding robot for a hydraulic excavator assembly, which comprises a workbench, wherein a rectangular hole is formed in the middle of the workbench, a fixing mechanism used for supporting the inside of a bucket arc plate is arranged in the rectangular hole, docking mechanisms used for docking side plates on the left side and the right side of the bucket arc plate are symmetrically arranged at the left end and the right end of the rectangular hole, welding mechanisms are symmetrically arranged on the docking mechanisms, the left position and the right position of the bucket arc plate are firstly adjusted through the docking mechanisms, the front position and the rear position are adjusted through the fixing mechanism until the bucket arc plate is stably supported in the process of supporting the inner side of the bucket arc plate, two side plates are synchronously docked to the two sides of the bucket arc plate through the docking mechanisms, automatic replacement welding of the bucket arc plate and the side plates is realized through a welding structure, and the provided supporting components are symmetrically supported on the inner side surfaces of the bucket arc plate in a multi-point manner, so that the stability of a welding process is greatly ensured.
Description
Technical Field
The invention relates to the technical field of excavator equipment, in particular to an automatic welding robot for a hydraulic excavator assembly.
Background
The excavator consists of three parts, including a working device, an upper turntable and a travelling mechanism, wherein the working device is a device for directly completing the excavating task and is formed by hinging three parts, namely a movable arm, a bucket rod, a bucket and the like. The swing arm lifting, the arm stretching and the bucket rotating are controlled by a reciprocating double-acting hydraulic cylinder.
The bucket is an important part on the excavator working device, and mainly comprises parts such as an ear plate, a side plate, a bucket arc plate, a blade plate and the like, wherein the bucket arc plate and the side plate are two basic parts of the bucket, and parts such as the ear plate, the blade plate and the like can be welded on the basis of the bucket arc plate and the side plate after the bucket arc plate and the side plate are welded, so that the welding of the bucket arc plate and the side plate is critical, but because the two parts are large in size and heavy in weight, the two parts are not easy to fix, and the problem of unstable fixation exists, thereby influencing the welding of subsequent parts and further influencing the quality of the whole bucket.
Disclosure of Invention
The technical problems to be solved are as follows: the invention provides an automatic welding robot for a hydraulic excavator assembly, which can solve the problems existing in the assembly fixing process.
In order to achieve the purpose, the automatic welding robot for the hydraulic excavator unit comprises a workbench, a fixing mechanism, a butt joint mechanism and a welding mechanism, wherein a rectangular hole penetrating through the table surface of the workbench is formed in the middle of the workbench, the fixing mechanism for supporting the bucket arc plate is arranged in the rectangular hole, the butt joint mechanisms for butt joint of the side plates on the left side and the right side of the bucket arc plate are symmetrically arranged in the rectangular hole and positioned at the left end and the right end of the fixing mechanism, and the welding mechanism is symmetrically arranged on the butt joint mechanism.
The fixing mechanism comprises a fixing bracket, a supporting component, an air cylinder and a guide rod; the workbench is characterized in that a fixing support is arranged on the lower side face of the workbench and located below the rectangular hole, air cylinders are symmetrically arranged on the fixing support in a front-back mode, guide rods are fixedly arranged on the fixing support and located on the left side and the right side of the air cylinders, supporting components are arranged at the output end of each air cylinder, the front supporting component and the rear supporting component are symmetrically distributed, and the guide rods are in sliding connection with the supporting components.
As a preferable technical scheme of the invention, the supporting component comprises a connecting shaft, an arc-shaped supporting plate, a first supporting rod, a second supporting rod, a supporting transverse plate, a first support and a second support; connecting shafts are symmetrically arranged between the left side surface and the right side surface of the rectangular hole in a front-back mode, arc-shaped supporting plates with downward concave surfaces are uniformly connected to the connecting shafts in a rotating mode, first supports are fixedly arranged on the lower side surfaces of the arc-shaped supporting plates through bolts, first supporting rods are rotatably arranged on one sides, far away from the arc-shaped supporting plates, of the first supports, one ends, far away from the first supports, of the first supporting rods are rotatably connected to supporting transverse plates, and the bottom ends of the supporting transverse plates are fixedly connected with the output ends of the cylinders and are in sliding connection with guide rods; a chute is formed in the lower side surface of the arc-shaped supporting plate, a second support is connected in the chute in a sliding manner, a second supporting rod is connected to the second support in a rotating manner, and one end, away from the second support, of the second supporting rod is connected to the supporting transverse plate in a rotating manner; the second support rod is of an elastic telescopic structure, and an extension spring is connected between the fixed ends of the first support rod and the second support rod.
As a preferable technical scheme of the invention, the side surface of the arc-shaped supporting plate, which is outwards protruded, is uniformly provided with tooth structures.
As a preferable technical scheme of the invention, the butt joint mechanism comprises a side plate positioning assembly, racks, a gear and a motor I, wherein the side plate positioning assembly is symmetrically and slidingly connected between a front connecting shaft and a rear connecting shaft and positioned at the left side and the right side of an arc-shaped supporting plate, one rack is fixedly arranged at each of opposite sides of the two side plate positioning assemblies, the motor I is fixedly arranged in the middle of the upper side surface of a fixed support, the gear is fixedly arranged at the output end of the motor I, and the gear is meshed with the two racks.
As a preferable technical scheme of the invention, the side plate positioning assembly comprises a transverse slide plate and vertical side plates, wherein the transverse slide plate is connected on a front connecting shaft and a rear connecting shaft in a sliding manner, the vertical side plates are symmetrically and fixedly arranged on the upper side surface of the transverse slide plate, and a space between the two vertical side plates is used for placing the side plates; round holes are uniformly formed in opposite side surfaces of the two vertical side plates, spring telescopic rods are arranged in the round holes, positioning plates are connected between telescopic ends of the spring telescopic rods on the same side together, and the upper ends of the opposite side surfaces of the two positioning plates and the upper ends of the opposite side surfaces of the vertical side plates are chamfered, so that the side plates are conveniently inserted into the positioning plates for positioning.
As a preferable technical scheme of the invention, the welding mechanism comprises an electric slide, an electric telescopic rod and a welding head; arc grooves are formed in the side faces, away from the center of the rectangular hole, of the vertical side plates, electric sliding blocks are connected in the arc grooves in a sliding mode, electric telescopic rod blocks are fixedly arranged on the outer side faces of the electric sliding blocks, and welding head blocks facing the arc plates are fixedly arranged at the output ends of the electric telescopic rod blocks.
As a preferable technical scheme of the invention, reference surfaces for placing the bucket arc plate and the side plates are processed on the periphery of the rectangular hole and on the upper surface of the workbench.
As a preferable technical scheme of the invention, the top surface of the transverse sliding plate is consistent with the reference surface on the workbench in height and is a processing surface.
The invention has the following beneficial effects: 1. the fixing mechanism provided by the invention supports the inner side surface of the bucket arc plate symmetrically in a multipoint mode through the two groups of supporting components, prevents welding deformation and ensures stability.
2. Make supporting component can hide the material loading of making things convenient for the arc board of fighting in the rectangular hole and place through rotating the connected mode, can carry out centering to the arc board front and back position of fighting when two sets of supporting component synchronous rotation goes out the rectangular hole simultaneously and adjust, guarantee follow-up curb plate and the efficiency of fighting the arc board butt joint to improve whole work efficiency.
3. The support assembly increases the number of the support points of the arc-shaped support plate through the arrangement of the structures such as the second support rod, the extension spring, the second support seat and the sliding groove, so that the strength of the arc-shaped support plate is increased, and the support effect on the bucket arc plate is improved.
4. The butt joint mechanism provided by the invention can be used for centering and adjusting the left and right positions of the bucket arc plate on one hand and can be used for butt joint of the side plates to the bucket arc plate on the other hand by synchronously driving the two side plates to move in opposite directions or in opposite directions, so that the aim of realizing two technical effects in one movement mode is fulfilled.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic view of a second perspective structure of the present invention.
Fig. 3 is a schematic perspective view of the docking mechanism of the present invention.
Fig. 4 is a cross-sectional view of the support assembly of the present invention.
Fig. 5 is an enlarged view of the invention at a in fig. 1.
In the figure: 1. a work table; 2. a fixing mechanism; 3. a docking mechanism; 4. a welding mechanism; 21. a fixed bracket; 22. a support assembly; 23. a cylinder; 24. a guide rod; 221. a connecting shaft; 222. an arc-shaped supporting plate; 223. a first support bar; 224. a second support bar; 225. a supporting cross plate; 226. a first support; 227. a second support; 31. a side panel positioning assembly; 32. a rack; 33. a gear; 34. a first motor; 311. a transverse slide plate; 312. a vertical side plate; 313. a spring telescoping rod; 314. a positioning plate; 41. an electric slide block; 42. an electric telescopic rod; 43. and (5) a welding head.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1 to 5, an automatic welding robot for a hydraulic excavator assembly comprises a workbench 1, a fixing mechanism 2, a docking mechanism 3 and a welding mechanism 4; rectangular holes penetrating through the table top of the workbench 1 are formed in the middle position of the workbench 1, fixing mechanisms 2 used for supporting the inside of the bucket arc plates are arranged in the rectangular holes, butt joint mechanisms 3 used for butt joint of the side plates on the left side and the right side of the bucket arc plates are symmetrically arranged at the left end and the right end of the fixing mechanisms 2 in the rectangular holes, and welding mechanisms 4 are symmetrically arranged on the butt joint mechanisms 3.
The rectangular hole is all around and is located the datum plane that table 1 upper surface processing was used for placing fight arc board and curb plate for guarantee that fight the bottom of arc board and curb plate is on same horizontal plane, improve the precision of butt joint, guarantee welded quality.
Referring to fig. 1 and 2, the fixing mechanism 2 includes a fixing bracket 21, a supporting component 22, an air cylinder 23 and a guide rod 24; the lower side of the workbench 1 is provided with a fixed support 21 below the rectangular hole, air cylinders 23 are symmetrically arranged on the fixed support 21 in a front-back direction, guide rods 24 are fixedly arranged on the fixed support 21 and positioned on the left side and the right side of the air cylinders 23, support assemblies 22 are arranged at the output ends of the air cylinders 23, the front support assemblies 22 and the rear support assemblies 22 are symmetrically distributed, and the guide rods 24 are in sliding connection with the support assemblies 22.
During operation, the bucket arc plate is placed on the datum plane around the rectangular hole through manual work or external equipment, the two cylinders 23 are started simultaneously, the two groups of support assemblies 22 synchronously move upwards and gradually contact with the inner side surface of the bucket arc plate, so that the function of supporting the bucket arc plate is achieved, in the process, the two groups of support assemblies 22 can gradually correct the positions of the bucket arc plate in the process of synchronously contacting with the inner side surface of the bucket arc plate due to the fact that the bucket arc plate is placed askew, and the purpose of centering and adjusting the front position and the rear position is achieved.
Referring to fig. 4, the support assembly 22 includes a connecting shaft 221, an arc-shaped support plate 222, a first support rod 223, a second support rod 224, a support cross plate 225, a first support 226, and a second support 227; connecting shafts 221 are symmetrically arranged between the left side surface and the right side surface of the rectangular hole in a front-back mode, arc-shaped supporting plates 222 with downward concave surfaces are uniformly connected to the connecting shafts 221 in a rotating mode, first supporting seats 226 are fixedly arranged on the lower side surfaces of the arc-shaped supporting plates 222 through bolts, first supporting rods 223 are rotatably arranged on one sides, far away from the arc-shaped supporting plates 222, of the first supporting seats 226, one ends, far away from the first supporting seats 226, of the first supporting rods 223 are rotatably connected to supporting transverse plates 225, and the bottom ends of the supporting transverse plates 225 are fixedly connected with output ends of air cylinders 23 and are in sliding connection with guide rods 24; a chute is formed on the lower side surface of the arc-shaped supporting plate 222, a second support 227 is connected in a sliding manner in the chute, a second supporting rod 224 is connected to the second support 227 in a rotating manner, and one end, far away from the second support 227, of the second supporting rod 224 is connected to the supporting transverse plate 225 in a rotating manner; the second support rod 224 is of an elastic telescopic structure, a tension spring is connected between the fixed ends of the first support rod 223 and the second support rod 224, the second support rod 224 is in an extension state in a normal state, and the tension spring has a force for separating the first support rod 223 from the second support rod 224; when the support assembly 22 is hidden in the rectangular hole, the second support 227 is located in the chute near the first support 226, the second support rod 224 is in a contracted state and the extension spring is in a compressed state.
When the bucket arc plate works, the air cylinder 23 is started to drive the supporting transverse plate 225 to move upwards, and the supporting transverse plate 225 drives one end of the arc supporting plate 222, which is far away from the connecting shaft 221, to move upwards through the first supporting rod 223 and the second supporting rod 224, so that the arc supporting plate rotates around the central shaft of the connecting shaft 221, and the aim of supporting the bucket arc plate is fulfilled; in the above process, along with the upward rotation of the arc-shaped support plate 222, the second support rod 224 rotates outwards with the sliding groove as a guide groove with the shaft of which the bottom is rotatably connected with the support cross plate 225 as the center under the action of the tension spring, and meanwhile, the second support rod 224 adaptively extends until the second support seat 227 moves to the outermost end of the sliding groove, so that the support of the first support rod 223 and the second support rod 224 to the inner side surface of the arc-shaped support plate 222 in a dispersed state is formed, and the increase of the number of support points improves the effect of the arc-shaped support plate 222.
Tooth structures (not shown in the drawings) are uniformly arranged on the outwards protruding side surfaces of the arc-shaped support plates 222, so that the support strength of the arc-shaped support plates 222 on the inner side surfaces of the bucket arc plates is increased.
Referring to fig. 1, 2 and 3, the docking mechanism 3 includes a side plate positioning assembly 31, a rack 32, a gear 33, a motor one 34, the side plate positioning assembly 31 is symmetrically slidably connected between the front and rear connecting shafts 221 and located at the left and right sides of the arc-shaped supporting plate 222, one rack 32 is fixedly mounted on each of opposite sides of the two side plate positioning assemblies 31, the motor one 34 is fixedly mounted in the middle of the upper side surface of the fixed bracket 21, the gear 33 is fixedly mounted at the output end of the motor one 34, and the gear 33 is meshed with the two racks 32.
During specific operation, the side plates are positioned through the side plate positioning assemblies 31, then the first motor 34 is started to drive the gears 33 to rotate, and then the corresponding side plate positioning assemblies 31 are driven to move in opposite directions through the two racks 32, so that the two side plates are driven to synchronously approach the arc plates.
Referring to fig. 3, the side plate positioning assembly 31 includes a transverse sliding plate 311 and a vertical side plate 312, the transverse sliding plate 311 is slidably connected to the front and rear connecting shafts 221, the vertical side plate 312 is symmetrically and fixedly mounted on the upper side surface of the transverse sliding plate 311, and a space between the two vertical side plates 312 is used for placing the side plates; round holes are uniformly formed in opposite side surfaces of the two vertical side plates 312, spring telescopic rods 313 are arranged in the round holes, positioning plates 314 are connected between telescopic ends of the spring telescopic rods 313 on the same side, upper ends of opposite side surfaces of the two positioning plates 314 and upper ends of opposite side surfaces of the vertical side plates 312 are chamfered, and the side plates are conveniently inserted into the positioning plates 314 for positioning.
The top surface of the transverse sliding plate 311 is the same as the reference surface on the workbench 1 in height and is a processing surface.
Referring to fig. 5, the welding mechanism 4 includes an electric slider 41, an electric telescopic rod 42, and a welding head 43; arc grooves are formed in the opposite side faces of the vertical side plates 312 far away from the center of the rectangular hole, an electric sliding block 41 is connected in the arc grooves in a sliding mode, an electric telescopic rod 42 is fixedly arranged on the outer side face of the electric sliding block 41, and a welding head 43 facing the bucket arc plate is fixedly arranged at the output end of the electric telescopic rod 42.
When the butt joint mechanism 3 drives the side plates to move to the left side and the right side of the bucket arc plate and contact, the electric telescopic rod 42 is adjusted to enable the welding head 43 to be located at the butt joint position of the bucket arc plate and the side plates, the electric sliding block 41 is started at the moment to drive the welding head 43 to slide along the arc grooves to weld the butt joint position of the side plates and the bucket arc plate, and the bucket arc plate is not of a regular arc structure, so that when the welding head 43 moves to the non-butt joint position, the position of the welding head 43 is required to be adjusted again by controlling the electric telescopic rod 42 to weld.
Working principle:
before the arc plates are placed, the air cylinder 23 is in a contracted state, the supporting component 22 is positioned in the rectangle and lower than the reference surface, at the moment, the arc plates are placed on the reference surface around the rectangular holes through manual or external equipment, the two side plates are inserted between the corresponding positioning plates 314, and the side plates are positioned under the action of the spring telescopic rods 313.
The first motor 34 is started, so that the first motor drives the gear 33 to rotate, and then the corresponding side plate positioning assembly 31 is driven to move in opposite directions through the two racks 32, so that the two side plates are driven to synchronously approach the bucket arc plate, and because the bucket arc plate is placed askew at the moment, the position of the bucket arc plate can be gradually driven to change when the side plates are contacted with the bucket arc plate, the centering adjustment of the left and right positions of the bucket arc plate is realized, and the accurate butt joint of the subsequent side plates and the bucket arc plate is ensured.
After the centering adjustment of the bucket arc plate is completed, the first motor 34 drives the gear 33 to reversely rotate, and then the corresponding side plate positioning assembly 31 is driven to oppositely move through the two racks 32, so that the two side plates are driven to synchronously move away from the bucket arc plate.
The cylinder 23 is started to drive the supporting transverse plate 225 to move upwards, and the supporting transverse plate 225 drives one end of the arc-shaped supporting plate 222, which is far away from the connecting shaft 221, to move upwards through the first supporting rod 223 and the second supporting rod 224, so that the arc-shaped supporting plate rotates around the central shaft of the connecting shaft 221, and the aim of supporting the inside of the bucket arc plate is fulfilled; in the above process, the front and rear positions of the bucket arc plate may have an offset, and the support assembly 22 is in contact with the inner side surface of the bucket arc plate at first, and then the support assembly 22 is driven to move upwards by the air cylinder 23, and the support assembly 22 in contact with the bucket arc plate can adjust the front and rear positions of the bucket arc plate until the two support assemblies 22 are in contact with the inner side surface of the bucket arc plate, so that the support state of the support assembly 22 on the inner side surface of the bucket arc plate is maintained, the stability in the subsequent butt joint and welding processes of the side plates is ensured, and the precision is improved.
And the motor I34 is started again, so that the motor I drives the gear 33 to rotate forward, and the corresponding side plate positioning assembly 31 is driven to move in opposite directions by the two racks 32, so that the two side plates are driven to synchronously approach to and contact with the bucket arc plate, and the butt joint state of the side plates and the bucket arc plate is maintained.
The electric telescopic rod 42 is adjusted to enable the welding head 43 to be located at the butt joint position of the bucket arc plate and the side plate, the electric sliding block 41 is started to drive the welding head 43 to slide along the arc groove to weld the butt joint position of the side plate and the bucket arc plate, and when the welding head 43 moves to the non-butt joint position, the position of the welding head 43 is adjusted again by controlling the electric telescopic rod 42 to continue welding.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a hydraulic excavator subassembly automatic weld robot, includes workstation (1), fixed establishment (2), docking mechanism (3), welding mechanism (4), its characterized in that: a rectangular hole penetrating through the table top of the workbench (1) is formed in the middle position of the workbench (1), a fixing mechanism (2) used for supporting the inside of the bucket arc plate is arranged in the rectangular hole, a butt joint mechanism (3) used for butt joint of the side plates on the left side and the right side of the bucket arc plate is symmetrically arranged at the left end and the right end of the fixing mechanism (2), and welding mechanisms (4) are symmetrically arranged on the butt joint mechanism (3) in a left-right mode;
the fixing mechanism (2) comprises a fixing bracket (21), a supporting component (22), an air cylinder (23) and a guide rod (24); the workbench (1) downside and be located rectangular hole below and be provided with fixed bolster (21), cylinder (23) are installed to the symmetry around on fixed bolster (21), and on fixed bolster (21) and be located the left and right sides fixed mounting of cylinder (23) have guide arm (24), and supporting component (22) are installed to cylinder (23) output, and two sets of supporting component (22) symmetric distribution around, guide arm (24) and supporting component (22) sliding connection.
2. An automatic welding robot for hydraulic excavator components as defined in claim 1, wherein: the support assembly (22) comprises a connecting shaft (221), an arc-shaped support plate (222), a first support rod (223), a second support rod (224), a support transverse plate (225), a first support (226) and a second support (227); connecting shafts (221) are symmetrically arranged between the left side surface and the right side surface of the rectangular hole in a front-back mode, arc-shaped supporting plates (222) with downward concave surfaces are uniformly connected to the connecting shafts (221) in a rotating mode, first supporting seats (226) are fixedly arranged on the lower side surfaces of the arc-shaped supporting plates (222) through bolts, first supporting rods (223) are rotatably arranged on one sides, far away from the arc-shaped supporting plates (222), of the first supporting rods (223), one ends, far away from the first supporting seats (226), of the first supporting rods (223) are rotatably connected to supporting transverse plates (225), and the bottom ends of the supporting transverse plates (225) are fixedly connected with the output ends of the air cylinders (23) and are in sliding connection with guide rods (24); a chute is formed in the lower side surface of the arc-shaped supporting plate (222), a second support (227) is connected in a sliding manner in the chute, a second supporting rod (224) is connected to the second support (227) in a rotating manner, and one end, far away from the second support (227), of the second supporting rod (224) is connected to the supporting transverse plate (225) in a rotating manner; the second supporting rod (224) is of an elastic telescopic structure, and an extension spring is connected between the fixed ends of the first supporting rod (223) and the second supporting rod (224).
3. An automatic welding robot for hydraulic excavator components as defined in claim 2, wherein: tooth structures are uniformly arranged on the outwards-protruding side surfaces of the arc-shaped supporting plates (222).
4. An automatic welding robot for hydraulic excavator components as defined in claim 1, wherein: the butt joint mechanism (3) comprises a side plate positioning assembly (31), racks (32), gears (33) and a first motor (34), wherein the side plate positioning assembly (31) is symmetrically and slidingly connected between the front connecting shaft (221) and the rear connecting shaft and positioned on the left side and the right side of the arc-shaped supporting plate (222), one rack (32) is fixedly arranged on the opposite sides of the two side plate positioning assemblies (31), the first motor (34) is fixedly arranged in the middle of the upper side surface of the fixed support (21), the gear (33) is fixedly arranged at the output end of the first motor (34), and the gears (33) are meshed with the two racks (32).
5. An automatic welding robot for hydraulic excavator components as defined in claim 4, wherein: the side plate positioning assembly (31) comprises a transverse sliding plate (311) and vertical side plates (312), the transverse sliding plate (311) is connected to the front connecting shaft and the rear connecting shaft (221) in a sliding mode, the vertical side plates (312) are symmetrically and fixedly arranged on the upper side face of the transverse sliding plate (311) left and right, and a space between the two vertical side plates (312) is used for placing the side plates; round holes are uniformly formed in opposite side surfaces of the two vertical side plates (312), spring telescopic rods (313) are arranged in the round holes, positioning plates (314) are connected between telescopic ends of the spring telescopic rods (313) on the same side, and upper ends of opposite side surfaces of the two positioning plates (314) and upper ends of opposite side surfaces of the vertical side plates (312) are chamfered.
6. An automatic welding robot for hydraulic excavator components as defined in claim 1, wherein: the welding mechanism (4) comprises an electric sliding block (41), an electric telescopic rod (42) and a welding head (43); arc grooves are formed in the opposite side faces of the vertical side plates (312) far away from the center of the rectangular hole, electric sliding blocks (41) are connected in the arc grooves in a sliding mode, electric telescopic rods (42) are fixedly arranged on the outer side faces of the electric sliding blocks (41), and welding heads (43) facing the arc plates of the hopper are fixedly arranged at the output ends of the electric telescopic rods (42).
7. An automatic welding robot for hydraulic excavator components as defined in claim 1, wherein: the periphery of the rectangular hole and the upper surface of the workbench (1) are provided with reference surfaces for placing the bucket arc plates and the side plates.
8. An automatic welding robot for hydraulic excavator components as defined in claim 5, wherein: the top surface of the transverse sliding plate (311) is consistent with the height of a reference surface on the workbench (1) and is a processing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311464448.4A CN117484053B (en) | 2023-11-03 | 2023-11-03 | Automatic welding robot for hydraulic excavator assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311464448.4A CN117484053B (en) | 2023-11-03 | 2023-11-03 | Automatic welding robot for hydraulic excavator assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117484053A true CN117484053A (en) | 2024-02-02 |
| CN117484053B CN117484053B (en) | 2024-04-12 |
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ID=89679594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311464448.4A Active CN117484053B (en) | 2023-11-03 | 2023-11-03 | Automatic welding robot for hydraulic excavator assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117484053B (en) |
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| KR102080913B1 (en) * | 2019-09-20 | 2020-02-24 | 주식회사 건화 | Bucket |
| CN215034849U (en) * | 2021-05-11 | 2021-12-07 | 江阴市润冶重工机械有限公司 | A welding and positioning tool for the side plate of the main platform of an excavator |
| CN115488569A (en) * | 2022-10-20 | 2022-12-20 | 山东硕诚机械有限公司 | Multi-station welding device for movable arm of excavator |
| CN116787059A (en) * | 2023-08-14 | 2023-09-22 | 莱芜职业技术学院 | Engineering machine tool is with excavating bucket welding set |
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2023
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181186A (en) * | 2016-08-25 | 2016-12-07 | 安徽昌永得机械有限公司 | Be suitable to the joint welding frock of excavator boom |
| KR102080913B1 (en) * | 2019-09-20 | 2020-02-24 | 주식회사 건화 | Bucket |
| CN215034849U (en) * | 2021-05-11 | 2021-12-07 | 江阴市润冶重工机械有限公司 | A welding and positioning tool for the side plate of the main platform of an excavator |
| CN115488569A (en) * | 2022-10-20 | 2022-12-20 | 山东硕诚机械有限公司 | Multi-station welding device for movable arm of excavator |
| CN116787059A (en) * | 2023-08-14 | 2023-09-22 | 莱芜职业技术学院 | Engineering machine tool is with excavating bucket welding set |
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| CN117484053B (en) | 2024-04-12 |
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