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CN-122007752-A - Control system of jack box welding production line

CN122007752ACN 122007752 ACN122007752 ACN 122007752ACN-122007752-A

Abstract

The invention discloses a control system of a welding production line of an inserting box, which belongs to the technical field of automatic welding and comprises a frame body, wherein the frame body is rotationally connected with a threaded rotating shaft, the threaded rotating shaft is in threaded connection with a clamping bracket, a plurality of clamping plates are connected onto the clamping bracket in a sliding manner, the clamping bracket is connected with a side clamping assembly, the clamping bracket is connected with a U-shaped plate, the clamping bracket is connected with a single-side clamping assembly, the two ends of the clamping bracket are in sliding connection with positioning brackets, the positioning brackets are provided with positioning grooves, the clamping bracket is connected with end clamping assemblies, the frame body is fixedly connected with a welding manipulator, the position of the frame, which is close to the side clamping assembly, is connected with image acquisition equipment, and the frame body is connected with a detection system.

Inventors

  • WU DAHUA

Assignees

  • 青岛东山集团母线智造有限公司

Dates

Publication Date
20260512
Application Date
20260226

Claims (10)

  1. 1. The control system for the welding production line of the plug-in box is characterized by comprising a frame body (1), wherein the frame body (1) is rotationally connected with a threaded rotating shaft (11) which is horizontally arranged, the threaded rotating shaft (11) is in threaded connection with a clamping bracket (2) used for placing a box coaming, the clamping bracket (2) is in sliding connection with the frame body (1), a plurality of clamping plates (21) are in sliding connection with the clamping bracket (2), the clamping bracket (2) is connected with a side clamping assembly (22) used for synchronously clamping or releasing the box coaming by driving the clamping plates (21), the clamping bracket (2) is connected with a plurality of U-shaped plates (23) used for clamping a hinge, the clamping bracket (2) is connected with a single-side clamping assembly (24) used for driving the U-shaped plates (23) to abut against or away from the box coaming, the two end positions of the clamping bracket (2) are in sliding connection with a positioning bracket (25), the positioning bracket (25) is arranged at the position close to the clamping bracket (2) and provided with a positioning groove (251) used for clamping an end plate, the positioning bracket (25) slides along the length direction of the threaded rotating shaft (11), and the clamping bracket (2) is connected with a mechanical arm (2) which is connected with a clamping assembly (26) close to the end part (1) of the clamping assembly) and is fixedly connected with the clamping assembly (3) at the position close to the end part; the frame is connected with image acquisition equipment (411) at a position close to the side clamping assembly (22), the frame body (1) is connected with a detection system (4), and the detection system (4) comprises an image acquisition module (41), a data storage module (42), a feeding control module (43), a welding control module (44) and an image processing module (45); the image acquisition module (41) acquires image information of a plurality of angles on the clamping bracket (2) and transmits the image information to the image processing module (45); The data storage module (42) stores a feeding program, a welding program, multi-angle workpiece images and multi-angle weld images, the workpiece images are related to workpiece codes, the feeding program comprises a moving step of a clamping plate (21), a clamping end plate and a U-shaped plate (23), and the welding program comprises a moving step of a welding manipulator (3) and a threaded rotating shaft (11); The feeding control module (43) invokes a feeding program of the data storage module (42), receives an externally input starting signal and controls the movement of the clamping plate (21), the clamping end plate and the U-shaped plate (23) according to the feeding program; The welding control module (44) invokes a welding program of the data storage module (42), receives an external input starting signal and controls the welding manipulator (3) to start and move according to the welding program; the image processing module (45) is preset with a welding seam state and a control instruction, calls the workpiece image and the welding seam image stored by the data storage module (42), analyzes the workpiece area of the corresponding workpiece image in the image information according to the workpiece image, determines the welding seam position in the workpiece area and marks the welding seam, and sends the control instruction to the feeding control module (43) and the welding control module (44) according to the welding seam state of the marking part in the welding seam image identification image information.
  2. 2. The control system of the jack box welding production line according to claim 1, wherein the side clamping assembly (22) comprises a first double-threaded rod (221) which is connected to the clamping plate (21) in a threaded mode, the first double-threaded rod (221) is perpendicular to the length direction of the threaded rotating shaft (11), a first driving motor (222) is fixedly connected to the clamping support (2) at the position, close to the first double-threaded rod (221), of the clamping support, and an output shaft of the first driving motor (222) is fixedly connected to the first double-threaded rod (221).
  3. 3. The control system of the welding production line of the jack box of claim 2, wherein the single-side clamping assembly (24) comprises a turnover frame (241) rotatably connected to the clamping support (2), the U-shaped plate (23) is fixedly connected to the turnover frame (241), a second driving motor (242) is fixedly connected to the clamping support (2) at a position close to the turnover frame (241), an output shaft of the second driving motor (242) is fixedly connected with a turnover rod (243), and the turnover frame (241) is fixedly connected to the turnover rod (243).
  4. 4. A control system for a jack box welding production line according to claim 3, wherein the end clamping assembly (26) comprises a second double-threaded rod (261) rotatably connected to the clamping support (2) and a third driving motor (262) fixedly connected to the clamping support (2), an output shaft of the third driving motor (262) is fixedly connected to the second double-threaded rod (261), the second double-threaded rod (261) is arranged parallel to the length direction of the threaded rotating shaft (11), two positioning supports (25) are respectively connected to two ends of the second double-threaded rod (261) in a threaded mode, guide rods (263) are connected to the two positioning supports (25) in a sliding mode, and the guide rods (263) are arranged parallel to the length direction of the second double-threaded rod (261).
  5. 5. The control system of the welding production line of the jack box of claim 1, wherein the image processing module (45) presets a minimum association degree, sequentially uses each welding line image to search the nearest area in the workpiece area and associate the nearest area with the welding line image, compares the searched area with the associated welding line image to obtain a similarity percentage, and reserves the area with the similarity percentage exceeding the minimum association degree as the welding line position and marks.
  6. 6. The system of claim 5, wherein the image processing module (45) associates the weld states with the control commands one by one, each weld image is associated with a weld state, the associated control command is found according to the weld state from the marked weld position associated weld image facing the weld state.
  7. 7. The control system of the welding production line of the jack box of claim 1, wherein the first inclined planes (252) are formed in the positions, close to the edges of the positioning grooves (251), of the positioning supports (25), the first inclined planes (252) are obliquely arranged from one end, close to the positioning grooves (251), to the other end, close to the other clamping end plate, and the second inclined planes (231) are formed in the positions, used for clamping the hinge, of the U-shaped plates (23), and the second inclined planes (231) are obliquely arranged from one end, far from the single-side clamping assembly (24), to the other end, close to the clamping plate (21).
  8. 8. The control system of the welding production line of the jack box is characterized in that a feeding motor (12) is fixedly connected to the position, close to the threaded rotating shaft (11), of the frame body (1), an output shaft of the feeding motor (12) is fixedly connected to one end of the threaded rotating shaft (11), the detection system (4) further comprises a feeding setting module (46), the feeding setting module (46) is preset with a first motor instruction unit, a second motor instruction unit and a third motor instruction unit, the feeding setting module (46) sets forward and reverse starting time and starting time of the first motor instruction unit, the second motor instruction unit and the third motor instruction unit according to received instructions, the first motor instruction unit controls the first driving motor (222) according to the settings, the second motor instruction unit controls the second driving motor (242) according to the settings, the third motor instruction unit controls the third driving motor (262) according to the settings, and the feeding setting module (46) combines the set first motor instruction unit, the second motor instruction unit and the third motor instruction unit to generate a feeding program and sends the feeding program to the data storage module (42).
  9. 9. The control system of the welding production line of the jack box is characterized in that a three-dimensional graph of the jack box is preset by the data storage module (42), a three-dimensional coordinate system is built in the three-dimensional graph of the jack box, three-dimensional coordinates of all positions of the three-dimensional graph of the jack box are marked, position state marks are carried out on all weld joint pictures according to received instructions, the position state marks comprise position character units, state character units and quality character units, the position character units are three-dimensional coordinates corresponding to all positions of the weld joint in the weld joint pictures, the state character units comprise three-dimensional coordinates corresponding to all positions of the weld joint in the weld joint pictures before, during and after welding, and the quality character units comprise qualified weld joints, weld tumors, air holes and incomplete weld joints; The image processing module (45) is preset with a welding seam identification result, analyzes a workpiece area corresponding to a workpiece image in image information according to the workpiece image, acquires an area in a three-dimensional image of an inserting box corresponding to the workpiece image, determines the position of a welding seam in the workpiece area, marks, determines three-dimensional coordinates corresponding to each point of the welding seam position according to the marked welding seam position, combines the three-dimensional coordinates corresponding to each point of the welding seam position with a position state mark corresponding to a marking part in the welding seam image identification image information, and reads a state character unit and a quality character unit in the position state mark to determine a corresponding control instruction.
  10. 10. The control system of the welding production line of the jack box of claim 9, wherein the detection system (4) further comprises an instruction editing module (47), the instruction editing module (47) calls the position state marks stored by the data storage module (42), the instruction editing unit extracts the state character units and the quality character units in the position state marks to generate initial control instructions, receives the instructions input from the outside, imports the instructions into the corresponding initial control instructions to generate control instructions, and transmits the control instructions to the image processing module (45).

Description

Control system of jack box welding production line Technical Field The invention relates to the field of automatic welding, in particular to a control system of a welding production line of an inserting box. Background At present, the welding of the plug-in box is realized by welding the box coaming and the upper end plate and the lower end plate, and welding the box coaming and the hinge, and the box door is inserted onto the box through the hinge in the subsequent working procedure, and the box is generally made of galvanized plates. In order to ensure production efficiency, an automated welding line is generally used for welding the jack boxes, the automated welding line generally comprises a plurality of welding machines, a mechanical arm for controlling the welding machines to move and a fixing station for fixing workpieces, and a specific structure generally needs to be customized according to products to be welded. The size of the plug box is large, and the production line size required during welding is also large. When the plug box is welded, upper end plates are welded at the upper end and the lower end of the U-shaped plate to form a box body, and then the box door is welded to the box body through a hinge. The prior art scheme has the following defects that the inserting box has difficult workpiece positioning due to thicker plate thickness and larger volume in the welding process, and the welding quality problems of lower welding strength, unqualified welding seams and the like are easy to generate in the automatic welding process. Disclosure of Invention In order to improve welding quality and reduce the problem of welding quality, the application provides a control system of a welding production line of an inserting box. The application provides a control system of a welding production line of an inserting box, which adopts the following technical scheme: The utility model provides a jack box welding production line control system, which comprises a frame body, the support body rotates and is connected with the screw thread rotation axis that the level set up, screw thread rotation axis threaded connection has the centre gripping support that is used for placing the box bounding wall, centre gripping support sliding connection is on the support body, sliding connection has a plurality of splint on the centre gripping support, centre gripping support connection has the side clamping assembly that drives the splint and press from both sides tightly or release the box bounding wall in step, centre gripping support connection has a plurality of U template that are used for the joint leaf, centre gripping support connection has the drive U template butt or keep away from the unilateral clamping assembly of box bounding wall, centre gripping support both ends position sliding connection has the locating support, locating support is close to centre gripping support position department and has offered the constant head tank that is used for the joint end plate, the locating support slides along screw thread rotation axis length direction, centre gripping support connection has the tip clamping assembly that drives the locating support and is close to each other in step or keep away from, support is close to side clamping assembly position department fixedly connected with welding manipulator; The frame is connected with image acquisition equipment at a position close to the side clamping assembly, and the frame body is connected with a detection system, wherein the detection system comprises an image acquisition module, a data storage module, a feeding control module, a welding control module and an image processing module; The image acquisition module acquires image information of a plurality of angles on the clamping support and transmits the image information to the image processing module; The data storage module stores a feeding program, a welding program, multi-angle workpiece images and multi-angle weld images, the workpiece images are related to workpiece codes, the feeding program comprises a moving step of clamping plates, clamping end plates and U-shaped plates, and the welding program comprises a moving step of a welding manipulator and a threaded rotating shaft; The feeding control module invokes a feeding program of the data storage module, receives an external input starting signal and controls the movement of the clamping plate, the clamping end plate and the U-shaped plate according to the feeding program; The welding control module invokes a welding program of the data storage module, receives a starting signal input from the outside, and controls the welding manipulator to start and move according to the welding program; the image processing module is pre-provided with a welding seam state and a control instruction, the workpiece image and the welding seam image stored by the data storage module are called, the welding seam position in the workpiece area is determined and marked ac