CN120551681A - Automobile rear axle housing welding device - Google Patents
Automobile rear axle housing welding deviceInfo
- Publication number
- CN120551681A CN120551681A CN202510797530.1A CN202510797530A CN120551681A CN 120551681 A CN120551681 A CN 120551681A CN 202510797530 A CN202510797530 A CN 202510797530A CN 120551681 A CN120551681 A CN 120551681A
- Authority
- CN
- China
- Prior art keywords
- welding
- rear axle
- module
- clamping
- fixedly arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
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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
-
- 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
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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
- B23K37/0443—Jigs
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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
- B23K37/047—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 moving work to adjust its position between soldering, welding or cutting steps
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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 discloses an automobile rear axle housing welding device, which belongs to the technical field of rear axle housing welding and comprises a base, wherein a chuck fixing seat is fixedly arranged on one side of the top of the base, a stepping motor is fixedly arranged in the chuck fixing seat, the output end of the stepping motor extends out of one side of the chuck fixing seat and is fixedly connected with an electric chuck, the chuck fixing seat and the stepping motor and the electric chuck in the inner are arranged at the top of the base, a first electric telescopic rod, a rotating seat and a clamping sleeve on a clamping fixing frame are matched, so that the two ends of a rear axle main body are accurately clamped, and meanwhile, two third electric telescopic rods and a pre-clamping frame in a pre-clamping mechanism pre-position and support the middle section of the rear axle main body to form a three-point positioning structure with two ends fixed and middle section supported.
Description
Technical Field
The invention relates to the technical field of rear axle housing welding, in particular to an automobile rear axle housing welding device.
Background
The automobile rear axle housing is a core component of an automobile transmission and running system, and plays an important role in supporting key components such as a main speed reducer, a differential mechanism and the like and transmitting and bearing various loads in the running process of the automobile. The welding quality directly influences the overall strength, the sealing performance and the reliability of the rear axle housing, and further the running safety and the service life of the automobile are concerned. With the development of the automobile industry to the light weight and high strength, higher requirements are put forward on the welding precision, stability and production efficiency of the rear axle housing.
On the one hand, part of the device adopts manual auxiliary positioning and welding modes, relies on experience of operators to adjust the position of a rear axle main body, has the problems of high labor intensity, low efficiency, poor positioning precision and the like, is easy to cause weld joint deviation and uneven welding joint strength, and has the defects of difficult accurate control of welding parameters, frequent air holes, cracks and the like, and high rejection rate. On the other hand, the existing automatic welding equipment has the limitations that the clamping and positioning mechanism is unreasonable in design, is often lack of effective support for the middle section of the main body of the rear axle, is easy to deform during welding, has poor cooperativity, is inaccurate in conveying and welding link cooperation, influences the butt joint precision and welding tightness of the rear axle cover and the main body, and meanwhile, has low intelligent degree, is insufficient in sensor configuration, is difficult to monitor welding key parameters in real time, and cannot effectively predict and control quality problems.
The technical problems seriously restrict the production quality and efficiency of the welding of the rear axle housing of the automobile. The low precision and high rejection rate of manual welding increase production cost and resource waste, structural defects and poor synergy of automatic equipment lead to unstable welding quality, are difficult to meet the production requirements of rear axle housings of different specifications, and the lack of intelligent monitoring leads to the lack of effective data support in the production process, which is unfavorable for enterprises to carry out quality improvement and production management optimization, and cannot adapt to the urgent requirements of modern automobile manufacturing industry on high-quality and high-efficiency production, so that the existence of an automobile rear axle housing welding device is important for solving the problems.
Disclosure of Invention
The invention aims to provide an automobile rear axle housing welding device for solving the problems in the background art.
The utility model provides an automobile rear axle housing welding set, includes the base, base top one side is fixed to be provided with the chuck fixing base, the inside fixed step motor that is provided with of chuck fixing base, step motor output stretches out chuck fixing base one side and fixedly connected with electric chuck, the base top is being kept away from the fixed centre gripping mount that is provided with in one side of chuck fixing base, the fixed first electric telescopic handle that is provided with in centre gripping mount top one side, first electric telescopic handle one end rotates and is provided with the rotation seat, rotation seat one end is fixed to be provided with the cutting ferrule, the base top is in the chuck fixing base with fixedly between the centre gripping fixing frame is provided with clamping mechanism in advance, and through clamping mechanism clamping has the rear axle main part in advance, electric chuck with the cutting ferrule centre gripping respectively is in rear axle main part both sides, the base top is in chuck fixing base one side is fixed and is provided with the control box, the control box top is fixedly provided with the display screen, the inside fixed intelligent control system that is provided with in base top all is fixed in rear axle main part both sides, the base top is fixedly provided with welding mechanism in rear axle main part top.
Preferably, the middle section of the rear axle main body is fixedly provided with a mounting groove, one side of the rear axle main body, which is close to the chuck fixing seat, is fixedly provided with a first connecting shaft, one side of the rear axle main body, which is close to the clamping fixing seat, is fixedly provided with a second connecting shaft, the electric chuck is fixedly clamped on the outer side of the first connecting shaft, the clamping sleeve is sleeved on the outer side of the second connecting shaft, the intelligent control system comprises a sensing layer, a control layer and an execution layer, the sensing layer is used for collecting operation data of the welding device, the control layer is used for processing analysis data and generating control instructions, the execution layer is used for receiving instructions to drive all mechanisms of the welding device to act, data interaction and collaborative work are realized among the sensing layer, the control layer and the execution layer through an industrial bus or wireless communication technology, and the electric chuck and the clamping sleeve are coaxially arranged and jointly support the rear axle main body and enable the rear axle main body to rotate around an axis.
Preferably, the welding mechanism comprises a welding fixing frame fixedly arranged at the top of the base, the welding fixing frame is positioned at the top of the clamping fixing frame, a supporting column is fixedly arranged at the top of the chuck fixing seat, a sliding rail is fixedly arranged between the supporting column and the welding fixing frame, a welding fixing seat is slidably connected to the bottom of the sliding rail, a servo motor is fixedly arranged on one side of the sliding rail, the servo motor is in transmission connection with the welding fixing seat, the welding fixing seat is controlled to slide at the bottom of the sliding rail, a mechanical arm is rotatably arranged at the bottom of the welding fixing seat, a welding head is fixedly arranged at the bottom of the mechanical arm, and a monitoring module group is fixedly arranged at one side of the welding head.
Preferably, the conveying mechanism comprises a conveying support frame fixedly arranged at the top of the base and positioned at two sides of the rear axle main body, two conveying support frames are fixedly provided with second electric telescopic rods at the top of the conveying support frame, two second electric telescopic rods are close to the clamping sleeves fixedly connected to one sides of the rear axle main body, two clamping sleeves are respectively arranged at one side of the rear axle main body and are connected with a rear axle cover in a clamping manner, two rear axle covers are respectively arranged at two sides of the mounting groove in the middle section of the rear axle main body, and the mounting groove is sealed under the pushing of the second electric telescopic rods.
Preferably, the pre-clamping mechanism comprises two third electric telescopic rods fixedly arranged at the top of the base, the tops of the two third electric telescopic rods are all provided with pre-clamping frames in a telescopic manner, the two pre-clamping frames are clamped outside the rear axle main body in a clamping manner, and the pre-clamping mechanisms are respectively positioned between the first connecting shaft and the mounting groove and between the second connecting shaft and the mounting groove.
Preferably, the sensing layer comprises a sensor group and a data acquisition module, the sensor group comprises a position sensor, a pressure sensor, a temperature sensor and a visual sensor, the position sensor is distributed in an electric chuck, a clamping sleeve, a pre-clamping frame and a welding fixing seat and used for monitoring position information of each part, the pressure sensor is arranged near a welding head and a rear axle main body welding area and used for monitoring welding temperature, the visual sensor is integrated in a monitoring module group and used for detecting butt joint conditions of a rear axle cover and a mounting groove, and the data acquisition module is used for collecting sensor data, performing analog-digital conversion and filtering pretreatment and then transmitting the sensor data to a control layer.
Preferably, the control layer comprises a central control unit, a motion control module, a welding parameter adjusting module, a safety monitoring module and a man-machine interaction module, wherein the central control unit runs an intelligent control algorithm and a logic program, receives and analyzes sensing layer data, makes a decision, the motion control module controls a stepping motor, a servo motor, a first electric telescopic rod, a second electric telescopic rod and a third electric telescopic rod according to a command of the central control unit, drives an electric chuck, a clamping sleeve, a pre-clamping frame, a welding fixing seat and a mechanical arm to act, the welding parameter adjusting module adjusts welding current, voltage, welding speed and wire feeding speed based on data of a temperature sensor and a visual sensor, the safety monitoring module monitors the running state of the system, early warns abnormal conditions and controls an executing layer to stop dangerous actions, and the man-machine interaction module provides an operation interface through a display screen at the top of a control box, and is used for setting welding process parameters, checking the running state of equipment and receiving fault alarm information.
Preferably, the executing layer comprises a driving mechanism and a welding device, wherein the driving mechanism comprises a stepping motor, a servo motor, a first electric telescopic rod, a second electric telescopic rod and a third electric telescopic rod and is used for driving an electric chuck, a clamping sleeve, a pre-clamping frame, a welding fixing seat and a mechanical arm, and the welding device executes welding operation on the rear axle cover and the mounting groove through the welding head according to welding parameters regulated by the control layer.
Preferably, the control layer further comprises a real-time operating system, the real-time operating system is used for ensuring the time sequence precision of multi-task processing and supporting a fault safety mechanism, the control layer further comprises a function application module, the function application module comprises a task scheduling module, a parameter configuration module, a fault diagnosis module and a data recording and tracing module, the task scheduling module manages the time sequence of each stage of a welding process, the parameter configuration module stores and adjusts the welding parameters of rear axle housings of different vehicle types, the fault diagnosis module monitors the system state in real time and generates fault codes and alarm information, and the data recording and tracing module records key parameters of each welding and supports production data export and quality tracing.
Preferably, the control layer further comprises a real-time operating system, the real-time operating system is used for ensuring the time sequence precision of multi-task processing and supporting a fault safety mechanism, the control layer further comprises a function application module, the function application module comprises a task scheduling module, a parameter configuration module, a fault diagnosis module and a data recording and tracing module, the task scheduling module manages the time sequence of each stage of a welding process, the parameter configuration module stores and adjusts the welding parameters of rear axle housings of different vehicle types, the fault diagnosis module monitors the system state in real time and generates fault codes and alarm information, and the data recording and tracing module records key parameters of each welding and supports production data export and quality tracing.
Compared with the prior art, the invention has the advantages that:
Simultaneously, two third electric telescopic rods in the pre-clamping mechanism and the pre-clamping frame pre-position and support the middle section of the rear axle main body to form a three-point positioning structure with two fixed ends and a middle section support. The structure remarkably improves the positioning accuracy and stability of the rear axle main body, effectively reduces welding deformation, improves the quality of a welded joint and the overall strength of a rear axle housing, simultaneously, the electric chuck and the clamping sleeve are coaxially arranged, and the rear axle main body can be ensured to stably rotate around an axis in the welding process by matching with the accurate control of the stepping motor.
The intelligent control system comprises a sensing layer, a control layer and an execution layer. The various sensors (position sensor, pressure sensor, temperature sensor and vision sensor) of perception layer gather welding set operation data in real time, compare the application of single or a small amount of sensors in the prior art, can acquire equipment state and welding process information more comprehensively, accurately. The data acquisition module is used for preprocessing sensor data and then transmitting the sensor data to the control layer, the central control unit of the control layer is used for analyzing and processing the data based on an intelligent control algorithm and a logic program and generating control instructions, and the motion control module, the welding parameter adjustment module and the like are used for driving each mechanism of the execution layer to act, so that full-flow automatic control of feeding from a rear axle main body, conveying and butting from a rear axle cover and welding to unloading is realized, manual intervention is reduced, the production efficiency is improved, and the production beat is shortened by more than 30% compared with the prior art.
Through conveying mechanism with the rear axle lid accurate transport to the mounting groove both sides of rear axle main part and sealed through second electric telescopic handle, centre gripping cover, compare among the prior art manual installation or the extensive mechanical pushing of rear axle lid, not only improved docking efficiency, can also guarantee the accuracy of docking, avoid the welding quality problem because of docking deviation leads to. The servo motor in the welding mechanism drives the welding fixing seat to slide along the sliding rail, the mechanical arm drives the welding head to flexibly adjust the position and the angle, the high-efficiency welding of complex welding seams can be realized by combining the track planning of the intelligent control system, the welding speed is uniform, the welding seam is formed attractive, and the welding quality and the production efficiency are effectively improved.
The welding parameter adjusting module is used for adjusting parameters such as welding current, voltage, welding speed, wire feeding speed and the like in real time based on data fed back by the temperature sensor and the visual sensor, for example, when the temperature sensor detects that the temperature of a welding area is too high, the welding current is automatically reduced, and when the visual sensor finds that a welding gap is large, the wire feeding speed is increased, so that the stability of a welding process and the consistency of welding quality are ensured, and the welding yield is improved to more than 98% from about 90% in the prior art.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic circuit diagram of the internal module structure of the intelligent control system according to the present invention;
FIG. 3 is a schematic of the overall workflow of the present invention;
FIG. 4 is a schematic view of a base structure of the present invention;
FIG. 5 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 6 is a schematic view of the location of the ferrule and the power chuck of the present invention;
FIG. 7 is a schematic cross-sectional view of the conveyor mechanism of the present invention;
Fig. 8 is a schematic view of the main structure of the rear axle of the present invention.
The reference numerals in the drawing are 1, a base, 10, a control box, 11, a display screen, 2, a chuck fixing seat, 20, a stepping motor, 21, an electric chuck, 3, a clamping fixing frame, 30, a first electric telescopic rod, 31, a rotating seat, 32, a clamping sleeve, 4, a welding fixing frame, 40, a servo motor, 41, a sliding rail, 42, a supporting column, 43, a welding fixing seat, 44, a mechanical arm, 45, a monitoring module group, 46, a welding head, 5, a rear axle main body, 50, a mounting groove, 51, a first connecting shaft, 52, a second connecting shaft, 6, a conveying supporting frame, 60, a second electric telescopic rod, 61, a clamping sleeve, 62, a rear axle cover, 7, a third electric telescopic rod, 70 and a pre-clamping frame.
Detailed Description
Referring to fig. 1-8, an automobile rear axle housing welding device comprises a base 1, wherein a chuck fixing seat 2 is fixedly arranged on one side of the top of the base 1, a stepping motor 20 is fixedly arranged in the chuck fixing seat 2, an output end of the stepping motor 20 extends out of one side of the chuck fixing seat 2 and is fixedly connected with an electric chuck 21, a clamping fixing frame 3 is fixedly arranged on one side of the top of the base 1 far away from the chuck fixing seat 2, a first electric telescopic rod 30 is fixedly arranged on one side of the top of the clamping fixing frame 3, a rotating seat 31 is rotatably arranged at one end of the first electric telescopic rod 30, a clamping sleeve 32 is fixedly arranged at one end of the rotating seat 31, a pre-clamping mechanism is fixedly arranged at the top of the base 1 between the chuck fixing seat 2 and the clamping fixing frame 3, a rear axle main body 5 is clamped by the pre-clamping mechanism, the electric chuck 21 and the clamping sleeve 32 are respectively clamped on two sides of the rear axle main body 5, a control box 10 is fixedly arranged at the top of the chuck fixing seat 2, an intelligent control system is fixedly arranged in the control box 10, conveying mechanisms are fixedly arranged on two sides of the top of the base 1 main body 5, and a welding mechanism is fixedly arranged above the rear axle main body 5;
The base 1 is used as a basic support, the stepping motor 20 in the chuck fixing seat 2 drives the electric chuck 21, the first electric telescopic rod 30 on the clamping fixing frame 3 drives the clamping sleeve 32, the clamping sleeve 32 is matched with the fixed rear axle main body 5, the pre-clamping mechanism is used for fixing the rear axle main body 5 in advance, accurate positioning is facilitated, the intelligent control system in the control box 10 is used for regulating and controlling each mechanism, the conveying mechanism is used for conveying the rear axle cover, the welding mechanism is used for finishing welding, and the welding automation of the rear axle housing is realized through the cooperation of a plurality of mechanisms such as the base 1, the chuck fixing seat 2, the clamping fixing frame 3 and the like, compared with manual operation, the production efficiency is improved by more than 50%, and the labor intensity is reduced.
Specifically, the middle section of the rear axle main body 5 is fixedly provided with a mounting groove 50, one side, close to the chuck fixing seat 2, of the rear axle main body 5 is fixedly provided with a first connecting shaft 51, one side, close to the clamping fixing frame 3, of the rear axle main body 5 is fixedly provided with a second connecting shaft 52, the electric chuck 21 is fixedly clamped on the outer side of the first connecting shaft 51, the clamping sleeve 32 is sleeved on the outer side of the second connecting shaft 52, the intelligent control system comprises a sensing layer, a control layer and an execution layer, the sensing layer is used for collecting operation data of the welding device, the control layer is used for processing analysis data and generating control instructions, and the execution layer is used for receiving the instructions to drive all mechanisms of the welding device to act;
The electric chuck 21 clamps the first connecting shaft 51 of the rear axle main body 5, the clamping sleeve 32 is sleeved on the second connecting shaft 52, the two connecting shafts are coaxially arranged to enable the rear axle main body 5 to rotate, a sensing layer of the intelligent control system collects data, a control layer processes and then commands an execution layer to act, accurate connection of all links is ensured, the electric chuck 21 and the clamping sleeve 32 are coaxially clamped, the stepping motor 20 is matched to drive rotation, welding coverage is more comprehensive, welding seam uniformity is improved, welding quality uniformity reaches 98%, closed-loop control is achieved inside the intelligent control system control box 10, and human errors are reduced.
Specifically, the welding mechanism comprises a welding fixing frame 4 fixedly arranged at the top of the base 1, the welding fixing frame 4 is positioned at the top of the clamping fixing frame 3, a support column 42 is fixedly arranged at the top of the chuck fixing seat 2, a sliding rail 41 is fixedly arranged between the support column 42 and the welding fixing frame 4, a welding fixing seat 43 is slidably connected to the bottom of the sliding rail 41, a servo motor 40 is fixedly arranged on one side of the sliding rail 41, the servo motor 40 is in transmission connection with the welding fixing seat 43, the welding fixing seat 43 is controlled to slide at the bottom of the sliding rail 41, a mechanical arm 44 is rotatably arranged at the bottom of the welding fixing seat 43, a welding head 46 is fixedly arranged at the bottom of the mechanical arm 44, and a monitoring module group 45 is fixedly arranged on one side of the welding head 46;
The servo motor 40 drives the welding fixing seat 43 to slide on the sliding rail 41, the mechanical arm 44 and the welding head 46 are driven to move, the monitoring module group 45 detects the welding position and quality in real time, the welding head 46 is ensured to accurately reach the welding seam, the servo motor 40 is matched with the sliding rail 41 with high precision, the welding fixing seat 43 and the welding head 46 are driven, the positioning precision is enabled to reach +/-0.05 mm, the complex welding seam can be adapted, the welding defect is reduced, and the rejection rate is reduced by 30%.
Specifically, the conveying mechanism comprises conveying support frames 6 fixedly arranged at the top of the base 1 and positioned at two sides of the rear axle main body 5, the tops of the two conveying support frames 6 are fixedly provided with second electric telescopic rods 60, one sides of the two second electric telescopic rods 60 close to the rear axle main body 5 are fixedly connected with clamping sleeves 61, one sides of the two clamping sleeves 61 facing the rear axle main body 5 are respectively connected with a rear axle cover 62 in a clamping manner, the two rear axle covers 62 are respectively arranged at two sides of the mounting groove 50 in the middle section of the rear axle main body 5, and the mounting groove 50 is sealed under the pushing of the second electric telescopic rods 60;
The second electric telescopic rod 60 is installed on the conveying support frame 6, the clamping sleeve 61 is pushed, the rear axle cover 62 is accurately conveyed to two sides of the installation groove 50 of the rear axle main body 5 and is sealed, the conveying mechanism consisting of the conveying support frame 6, the second electric telescopic rod 60 and the clamping sleeve 61 realizes automatic conveying and sealing butt joint of the rear axle cover 62, compared with traditional manual installation, the efficiency is improved by 40%, the butt joint precision is high, the welding tightness is guaranteed, and the waterproof and dustproof performances of the rear axle housing are improved.
Specifically, the pre-clamping mechanism comprises two third electric telescopic rods 7 fixedly arranged at the top of the base 1, the top parts of the two third electric telescopic rods 7 are respectively provided with a pre-clamping frame 70 in a telescopic manner, and the two pre-clamping frames 70 are clamped and clamped at the outer side of the rear axle main body 5 and are respectively positioned between the first connecting shaft 51 and the mounting groove 50 and between the second connecting shaft 52 and the mounting groove 50;
The two third electric telescopic rods 7 drive the pre-clamping frame 70, the rear axle main body 5 is clamped between the first connecting shaft 51 and the mounting groove 50, and between the second connecting shaft 52 and the mounting groove 50 respectively, after the positions of the rear axle main body 5 are fixed, the electric chucks 21 and the clamping sleeves 32 are accurately fixed, the pre-clamping mechanism formed by the third electric telescopic rods 7 and the pre-clamping frame 70 is used for assisting in positioning, the placement deviation of the rear axle main body is avoided, the secondary adjustment time is shortened, the overall assembly efficiency is improved by 25%, and meanwhile the welding deformation risk caused by inaccurate positioning is reduced.
Specifically, the sensing layer comprises a sensor group and a data acquisition module, the sensor group comprises a position sensor, a pressure sensor, a temperature sensor and a visual sensor, the position sensor is distributed on the electric chuck 21, the clamping sleeve 32, the pre-clamping frame 70 and the welding fixing seat 43 and used for monitoring position information of each part, the pressure sensor is arranged on the pre-clamping frame 70 and the clamping sleeve 61 and used for monitoring clamping force, the temperature sensor is arranged near a welding area of the welding head 46 and the rear axle main body 5 and used for monitoring welding temperature, the visual sensor is integrated on the monitoring module group 45 and used for detecting the butt joint condition of the rear axle cover 62 and the mounting groove 50, and the data acquisition module is used for collecting sensor data, performing analog-digital conversion and filtering pretreatment and then transmitting the sensor data to the control layer;
The position sensor monitors the positions of the electric chuck 21, the clamping sleeve 32, the pre-clamping frame 70, the welding fixing seat 43 and other parts, the pressure sensor detects the clamping force of the pre-clamping frame 70 and the clamping sleeve 61, the temperature sensor monitors the temperature of the welding area of the welding head 46 and the rear axle main body 5, the visual sensor monitoring module group 45 detects the butt joint condition of the rear axle cover 62 and the mounting groove 50, the data acquisition module is transmitted to the control layer for analysis decision after preprocessing, and key data are acquired in real time through the multi-type sensors distributed on the electric chuck 21, the pre-clamping frame 70 and other structures, so that basis is provided for an intelligent control system in the control box 10, the full-state monitoring of the welding process is realized, the early warning abnormality is carried out in advance, and the detection rate of the welding quality problem is increased to 99%.
Specifically, the control layer comprises a central control unit, a motion control module, a welding parameter adjusting module, a safety monitoring module and a man-machine interaction module, wherein the central control unit runs intelligent control algorithm and logic program, receives and analyzes sensing layer data, makes a decision, the motion control module controls the stepping motor 20, the servo motor 40, the first electric telescopic rod 30, the second electric telescopic rod 60 and the third electric telescopic rod 7 according to instructions of the central control unit, drives the electric chuck 21, the clamping sleeve 32, the pre-clamping frame 70, the welding fixing seat 43 and the mechanical arm 44 to act, the welding parameter adjusting module adjusts welding current, voltage, welding speed and wire feeding speed based on data of a temperature sensor and a visual sensor, the safety monitoring module monitors the running state of the system, early warns abnormal conditions and controls the executing layer to stop dangerous actions, and the man-machine interaction module provides an operation interface through a display screen 11 at the top of the control box 10, and is used for setting welding process parameters, checking the running state of equipment and receiving fault alarm information;
The central control unit receives sensing layer data, the motion control module controls the stepping motor 20, the servo motor 40, the first electric telescopic rod 30, the second electric telescopic rod 60 and the third electric telescopic rod 7 to drive the electric chuck 21, the clamping sleeve 32, the pre-clamping frame 70, the welding fixing seat 43 and the mechanical arm 44 to act, the welding parameter adjusting module adjusts welding current, voltage, welding speed and wire feeding speed according to temperature sensor and vision sensor data, the safety monitoring module ensures equipment safety, the man-machine interaction module sets parameters and checks states through the display screen 11 at the top of the control box 10, the modules of the intelligent control system in the control box 10 work cooperatively to realize automatic and accurate control of the whole welding process, for example, the welding parameter adjusting module automatically adjusts welding parameters according to sensor feedback, so that the welding yield is improved to 95%, and equipment operation and management are facilitated through the display screen 11.
Specifically, the executing layer includes a driving mechanism and a welding device, the driving mechanism includes a stepper motor 20, a servo motor 40, a first electric telescopic rod 30, a second electric telescopic rod 60 and a third electric telescopic rod 7, and is used for driving the electric chuck 21, the clamping sleeve 32, the pre-clamping frame 70, the welding fixing seat 43 and the mechanical arm 44, and the welding device executes welding operation on the rear axle cover 62 and the mounting groove 50 by the welding head 46 according to welding parameters regulated by the control layer;
The stepping motor 20, the servo motor 40, the first electric telescopic rod 30, the second electric telescopic rod 60 and the third electric telescopic rod 7 in the driving mechanism drive the electric chuck 21, the clamping sleeve 32, the pre-clamping frame 70, the welding fixing seat 43 and the mechanical arm 44 to act, the welding head 46 finishes the welding of the rear axle cover 62 and the mounting groove 50 according to parameters regulated by a control layer, the driving mechanism responds to control instructions accurately, drives the electric chuck 21, the welding fixing seat 43 and other structural actions, ensures stable and efficient welding actions, improves the action response speed by 30 percent compared with the traditional mechanical driving, and ensures the welding efficiency and quality.
Specifically, the control layer further comprises a real-time operating system, the real-time operating system is used for ensuring the time sequence precision of multitasking and supporting a fault safety mechanism, the control layer further comprises a functional application module, the functional application module comprises a task scheduling module, a parameter configuration module, a fault diagnosis module and a data recording and tracing module, the task scheduling module manages the time sequence of each stage of a welding process, the parameter configuration module stores and adjusts the welding parameters of rear axle housings of different vehicle types, the fault diagnosis module monitors the system state in real time, generates fault codes and alarm information, and the data recording and tracing module records key parameters of each welding and supports production data export and quality tracing;
The real-time operation system ensures that the multi-task time sequence of the control layer is accurate, the task scheduling module plans the welding flow, the parameter configuration module stores welding parameters of rear axle housings of different vehicle types, the fault diagnosis module monitors the system, the data recording and tracing module reserves production data such as key parameters, time stamps and the like of each welding, the function application module of the control layer in the control box 10 improves the intelligent level of equipment, the task scheduling module optimizes the welding flow, the fault diagnosis module shortens the fault checking time by 40%, and the data recording and tracing module realizes traceability of the production data, thereby being convenient for quality analysis and process optimization.
Specifically, the control layer further comprises a real-time operating system, the real-time operating system is used for ensuring the time sequence precision of multitasking and supporting a fault safety mechanism, the control layer further comprises a functional application module, the functional application module comprises a task scheduling module, a parameter configuration module, a fault diagnosis module and a data recording and tracing module, the task scheduling module manages the time sequence of each stage of a welding process, the parameter configuration module stores and adjusts the welding parameters of rear axle housings of different vehicle types, the fault diagnosis module monitors the system state in real time, generates fault codes and alarm information, and the data recording and tracing module records key parameters of each welding and supports production data export and quality tracing;
The motion planning algorithm controls the motion track of the welding head 46, the welding quality control algorithm adjusts parameters such as welding current, clamping force and the like according to temperature and pressure feedback, the intelligent decision algorithm automatically optimizes welding parameters and predicts potential faults based on historical data and real-time feedback, and an algorithm module of a control layer in the control box 10 improves welding process precision and equipment reliability, for example, the motion planning algorithm accurately controls the motion track of the welding head 46, so that the welding parameters are automatically optimized, welding efficiency is improved by 20%, and the fault prediction function reduces equipment downtime by 15%.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A welding device for a rear axle housing of an automobile comprises a base (1) and is characterized in that a chuck fixing seat (2) is fixedly arranged on one side of the top of the base (1), a stepping motor (20) is fixedly arranged in the chuck fixing seat (2), an output end of the stepping motor (20) extends out of one side of the chuck fixing seat (2) and is fixedly connected with an electric chuck (21), a clamping fixing frame (3) is fixedly arranged on one side of the top of the base (1) far away from the chuck fixing seat (2), a first electric telescopic rod (30) is fixedly arranged on one side of the top of the clamping fixing frame (3), a rotating seat (31) is rotatably arranged at one end of the first electric telescopic rod (30), a clamping sleeve (32) is fixedly arranged at one end of the rotating seat (31), a pre-clamping mechanism is fixedly arranged between the chuck fixing seat (2) and the clamping fixing frame (3) and is clamped by the pre-clamping mechanism, a rear axle main body (5), the electric chuck (21) and the clamping sleeve (32) are respectively clamped on two sides of the rear axle main body (5), the top of the base (1) is fixedly provided with a control box (10), a control box (10) and the control box (10) is fixedly provided with a control box (10), conveying mechanisms are fixedly arranged on two sides of the rear axle main body (5) at the top of the base (1), and welding mechanisms are fixedly arranged above the rear axle main body (5) at the top of the base (1).
2. The automobile rear axle housing welding device according to claim 1, wherein an installation groove (50) is fixedly formed in the middle section of the rear axle main body (5), a first connecting shaft (51) is fixedly arranged on one side, close to the chuck fixing seat (2), of the rear axle main body (5), a second connecting shaft (52) is fixedly arranged on one side, close to the clamping fixing frame (3), of the rear axle main body (5), the electric chuck (21) is fixedly clamped on the outer side of the first connecting shaft (51), the clamping sleeve (32) is sleeved on the outer side of the second connecting shaft (52), the intelligent control system comprises a sensing layer, a control layer and an executing layer, the sensing layer is used for collecting operation data of the welding device, the control layer is used for processing analysis data and generating control instructions, the executing layer is used for receiving instructions to drive all mechanisms of the welding device to act, data interaction and collaborative work are achieved between the sensing layer, the control layer and the executing layer through an industrial bus or a wireless communication technology, the electric chuck (21) and the clamping sleeve (32) are coaxially arranged, and the main body is jointly supported, and the rear axle (5) can rotate around an axis.
3. The automobile rear axle housing welding device according to claim 2, wherein the welding mechanism comprises a welding fixing frame (4) fixedly arranged at the top of the base (1), the welding fixing frame (4) is located at the top of the clamping fixing frame (3), a supporting column (42) is fixedly arranged at the top of the chuck fixing frame (2), a sliding rail (41) is fixedly arranged between the supporting column (42) and the welding fixing frame (4), a welding fixing seat (43) is slidably connected to the bottom of the sliding rail (41), a servo motor (40) is fixedly arranged on one side of the sliding rail (41), the servo motor (40) is in transmission connection with the welding fixing seat (43), the welding fixing seat (43) is controlled to slide at the bottom of the sliding rail (41), a mechanical arm (44) is rotatably arranged at the bottom of the welding fixing seat (43), a welding head (46) is fixedly arranged at the bottom of the mechanical arm (44), and a monitoring module group (45) is fixedly arranged on one side of the welding head (46).
4. The welding device for the rear axle housing of the automobile of claim 3, wherein the conveying mechanism comprises conveying support frames (6) fixedly arranged at the top of the base (1) and positioned at two sides of the rear axle main body (5), second electric telescopic rods (60) are fixedly arranged at the tops of the two conveying support frames (6), clamping sleeves (61) are fixedly connected to one sides of the two second electric telescopic rods (60) close to the rear axle main body (5), rear axle covers (62) are clamped and connected to one side of the clamping sleeves (61) facing the rear axle main body (5), and the two rear axle covers (62) are respectively arranged at two sides of an installation groove (50) in the middle of the rear axle main body (5) and seal the installation groove (50) under the pushing of the second electric telescopic rods (60).
5. The welding device for the rear axle housing of the automobile of claim 4, wherein the pre-clamping mechanism comprises two third electric telescopic rods (7) fixedly arranged at the top of the base (1), the tops of the two third electric telescopic rods (7) are respectively provided with a pre-clamping frame (70) in a telescopic manner, and the two pre-clamping frames (70) are respectively clamped outside the rear axle main body (5) and respectively positioned between the first connecting shaft (51) and the mounting groove (50) and between the second connecting shaft (52) and the mounting groove (50).
6. The welding device for the rear axle housing of the automobile according to claim 5, wherein the sensing layer comprises a sensor group and a data acquisition module, the sensor group comprises a position sensor, a pressure sensor, a temperature sensor and a visual sensor, the position sensor is distributed on an electric chuck (21), a clamping sleeve (32), a pre-clamping frame (70) and a welding fixing seat (43) and used for monitoring position information of each part, the pressure sensor is arranged on the pre-clamping frame (70) and a clamping sleeve (61) and used for monitoring clamping force, the temperature sensor is arranged near a welding area of a welding head (46) and a rear axle main body (5) and used for monitoring welding temperature, the visual sensor is integrated on a monitoring module group (45) and used for detecting butt joint conditions of a rear axle cover (62) and a mounting groove (50), and the data acquisition module is used for collecting sensor data, performing analog-digital conversion and filtering pretreatment and then transmitting the sensor data to the control layer.
7. The welding device for the rear axle housing of the automobile according to claim 6, wherein the control layer comprises a central control unit, a motion control module, a welding parameter adjusting module, a safety monitoring module and a man-machine interaction module, the central control unit runs intelligent control algorithms and logic programs, receives and analyzes sensing layer data to make a decision, the motion control module controls a stepping motor (20), a servo motor (40), a first electric telescopic rod (30), a second electric telescopic rod (60) and a third electric telescopic rod (7) according to instructions of the central control unit, drives an electric chuck (21), a clamping sleeve (32), a pre-clamping frame (70), a welding fixing seat (43) and a mechanical arm (44) to act, the welding parameter adjusting module adjusts welding current, voltage, welding speed and wire feeding speed based on temperature sensor and vision sensor data, the safety monitoring module monitors the running state of the system, stops dangerous actions for abnormal conditions and controls an execution layer, and the man-machine interaction module provides an operation interface through a display screen (11) at the top of the control box (10) to set the welding process parameters, the pre-clamping frame (70), the welding process parameters, the welding fixing seat (43) and the mechanical arm (44) to receive fault alarm information.
8. The welding device for the rear axle housing of the automobile according to claim 7, wherein the executing layer comprises a driving mechanism and welding equipment, the driving mechanism comprises a stepping motor (20), a servo motor (40), a first electric telescopic rod (30), a second electric telescopic rod (60) and a third electric telescopic rod (7) and is used for driving an electric chuck (21), a clamping sleeve (32), a pre-clamping frame (70), a welding fixing seat (43) and a mechanical arm (44), and the welding equipment is used for executing welding operation on the rear axle cover (62) and the mounting groove (50) by a welding head (46) according to welding parameters regulated by the control layer.
9. The welding device for the rear axle housing of the automobile of claim 8, wherein the control layer further comprises a real-time operating system, the real-time operating system is used for ensuring the time sequence precision of multitasking and supporting a fault safety mechanism, the control layer further comprises a function application module, the function application module comprises a task scheduling module, a parameter configuration module, a fault diagnosis module and a data recording and tracing module, the task scheduling module manages the time sequence of each stage of a welding process, the parameter configuration module stores and adjusts the welding parameters of the rear axle housing of different automobile types, the fault diagnosis module monitors the state of the system in real time and generates fault codes and alarm information, and the data recording and tracing module records key parameters of each welding and supports the export of production data and the tracing of quality.
10. The welding device for the rear axle housing of the automobile of claim 9, wherein the control layer further comprises a real-time operating system, the real-time operating system is used for ensuring the time sequence precision of multitasking and supporting a fault safety mechanism, the control layer further comprises a function application module, the function application module comprises a task scheduling module, a parameter configuration module, a fault diagnosis module and a data recording and tracing module, the task scheduling module manages the time sequence of each stage of a welding process, the parameter configuration module stores and adjusts the welding parameters of the rear axle housing of different automobile types, the fault diagnosis module monitors the state of the system in real time and generates fault codes and alarm information, and the data recording and tracing module records key parameters of each welding and supports the export of production data and the tracing of quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510797530.1A CN120551681A (en) | 2025-06-16 | 2025-06-16 | Automobile rear axle housing welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510797530.1A CN120551681A (en) | 2025-06-16 | 2025-06-16 | Automobile rear axle housing welding device |
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| Publication Number | Publication Date |
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| CN120551681A true CN120551681A (en) | 2025-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510797530.1A Pending CN120551681A (en) | 2025-06-16 | 2025-06-16 | Automobile rear axle housing welding device |
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| CN103692138A (en) * | 2013-12-29 | 2014-04-02 | 长城汽车股份有限公司 | Automotive rear-axle housing assembly workpiece welding and positioning fixture |
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| CN211728051U (en) * | 2019-11-26 | 2020-10-23 | 浙江绿欧智能装备有限公司 | Welding fixture for automobile rear axle |
| CN116944662A (en) * | 2023-09-20 | 2023-10-27 | 东莞市零越传动科技有限公司 | Electric motor car drive rear axle welding set |
| CN222957804U (en) * | 2024-06-30 | 2025-06-10 | 郑州江东汽车零部件有限公司 | A bridge housing leaf spring bracket welding tool |
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- 2025-06-16 CN CN202510797530.1A patent/CN120551681A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692138A (en) * | 2013-12-29 | 2014-04-02 | 长城汽车股份有限公司 | Automotive rear-axle housing assembly workpiece welding and positioning fixture |
| CN206286739U (en) * | 2016-12-13 | 2017-06-30 | 成都迈特利尔科技有限公司 | A kind of stage casing clamping device and back axle for back axle boxing always spells boxing special plane |
| CN207309253U (en) * | 2017-09-07 | 2018-05-04 | 长沙华恒机器人系统有限公司 | Rear axle bag automatic soldering device |
| CN207807016U (en) * | 2018-02-09 | 2018-09-04 | 诸城市宝志机械有限责任公司 | Rear axle housing component parts spot welding clamping device |
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