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CN-121535086-B - Progressive stamping device and method for U-shaped bolt with self-adaptive positioning function

CN121535086BCN 121535086 BCN121535086 BCN 121535086BCN-121535086-B

Abstract

The invention discloses a U-shaped bolt progressive stamping device with a self-adaptive positioning function, which relates to the technical field of stamping equipment and comprises a stamping bed body, wherein an adjusting part with an adjusting function is fixedly arranged at the top of the stamping bed body through bolts, the adjusting part specifically consists of a linear motor guide rail component and a base plate, the top of the base plate is rotatably provided with a turnover table, the traditional rigid positioning is upgraded into dynamic self-adaptive intelligent positioning, the U-shaped bolt is actively corrected and progressively closed-loop fine-tuned by a driving executing mechanism through visual scanning and micro-contact sensing fusion data, the raw material shape and position deviation are eliminated from the root, the data sensing and data correction are realized, the full-data closed-loop automatic process of finally stamping after the accurate positioning is adjusted is realized, the processing precision, consistency and intelligent level of complex bending workpieces are remarkably improved, and the device is a marked progress in the stamping forming field.

Inventors

  • FU QIFENG

Assignees

  • 福建省锦强机械制造有限公司

Dates

Publication Date
20260512
Application Date
20260117

Claims (2)

  1. 1. The U-shaped bolt progressive stamping device with the self-adaptive positioning function comprises a stamping machine body (1), wherein an adjusting piece (2) with an adjusting function is fixedly arranged at the top of the stamping machine body (1) through bolts, the adjusting piece (2) specifically comprises a linear motor guide rail assembly and a base plate, the top of the base plate is rotatably provided with a turnover table (3), a positioning assembly (4) is fixedly arranged at a groove at the top side of the turnover table (3), and the top of the turnover table (3) is further provided with a clamping plate with a clamping function and a coil plate for electromagnetic driving; The positioning assembly is characterized by comprising a fixed shell (41) fixedly arranged at a groove at the top side of the overturning platform (3), ear plates are arranged at the upper end and the lower end of the side face of the fixed shell (41), a driving motor (42) with a driving function is fixedly arranged on the top ear plate at the side face of the fixed shell (41), a segmented rod (43) with an adjusting function is fixedly welded at the tail end of a driving shaft of the driving motor (42), one side of a threaded end of the segmented rod (43) is in threaded transmission with the inner screw sleeve of an electromagnetic screw sleeve (44), the electromagnetic screw sleeve (44) is specifically composed of a screw sleeve and a coil collar arranged at the outer side of the screw sleeve, the electromagnetic screw sleeve (44) is respectively arranged in the ear plates at the top end of the side face of the fixed shell (41) and the side face of the opening-closing shell (45), positioning rods (46) with a limiting function are slidably arranged in the ear plates at the side face of the fixed shell (41) and the side face of the opening-closing shell (45), the inner bottom sides of the fixed shell (41) and the opening-closing shell (45) are respectively provided with a 180-degree angle magnetic structure, the magnetic semi-ring assembly is fixedly arranged on the outer side face of the single body (45) and is connected with a rotary semi-ring assembly (48), and a single body (47) through a rotary control semi-ring assembly; The rotary cylinder assembly (47) comprises a magnetic semi-ring structure which is rotatably arranged on a fixed shell (41) and an opening and closing shell (45), wherein the magnetic semi-ring structure is magnetically adsorbed with a primary combined cylinder (471), a servo motor (472) with a driving function is fixedly arranged on the side surface of the primary combined cylinder (471) through bolts, a gear (473) is fixedly inserted into the tail end of a transmission shaft of the servo motor (472), the side surface of the gear (473) is meshed with a support gear ring (474), the support gear ring (474) is rotatably arranged at an inner groove of the primary combined cylinder (471), the support gear ring (474) is fixedly arranged in the middle of the side surface of a secondary combined cylinder (475), a pressure cylinder (476) with an adjusting function is fixedly arranged on the side surface of the secondary combined cylinder (475), a detection cylinder assembly (477) is fixedly arranged at the tail end of a piston rod of the pressure cylinder (476), and a photoelectric sensor for positioning function is further arranged between the primary combined cylinder (471) and the secondary combined cylinder (475); The detection cylinder assembly (477) comprises an arc plate (4771) fixedly arranged at the tail end of a piston rod of a pressure cylinder (476), wherein a light-transmitting plate (4772) is fixedly inserted into the inner cambered surface of the arc plate (4771), the light-transmitting plate (4772) is embedded with a pressed detection assembly (4773) in an array sequence, eight groups of vision element arrays (4774) with an included angle of 40 degrees are fixedly arranged in the arc plate (4771), and the vision element arrays (4774) are particularly industrial cameras; The compression detection assembly (4773) comprises a shell, wherein the shell is fixed on the light-transmitting plate (4772), a photosensitive plate (47731) is fixed at the rear end of the interior of the shell, a sliding plate (47733) is arranged in the interior of the shell in a sliding mode, a light source matrix (47732) is fixedly arranged on the rear side of the sliding plate (47733) through bolts, a permanent magnet bracket (47734) with a supporting function is arranged at the front end of the sliding plate (47733) in a sliding mode, a semicircular arc plate is arranged on the front side of the permanent magnet bracket (47734), balls (47735) are rotatably arranged in the arc plate of the permanent magnet bracket (47734), and a reset piece (47736) is arranged between the permanent magnet bracket (47734) and the sliding plate (47733); The overturning platform (3) is rotatably mounted on the base plate through a rotating shaft, a reset structure and a sensor are arranged in the base plate, the reset structure and the sensor are used for driving the rotating shaft to rotate, and the sensor is in communication connection with the single controller (48) and is used for detecting and adjusting the machining angle of the U-shaped bolt.
  2. 2. The application method of the U-shaped bolt progressive stamping device with the self-adaptive positioning function is used for implementing the U-shaped bolt progressive stamping device with the self-adaptive positioning function as claimed in claim 1, and is characterized by comprising the following steps: firstly, loading and fixing, namely placing a U-shaped bolt raw material into an overturning platform (3), and completing preliminary fixing by controlling a clamping plate and a positioning assembly (4) on the overturning platform (3) to open and close; acquiring and processing data, namely acquiring optical signal change through a visual array arranged on a positioning component (4), sensing microcosmic contact pressure through a pressure detection component distributed in an array, acquiring complete shape and pressure distribution information and performing data processing through a single controller (48); Step three, progressive active correction and stamping, namely actively pressing down and fine adjustment are carried out on raw materials through a clamping mechanism on the overturning table (3) based on deviation data to correct macroscopic radian deviation, then the stamping machine body (1) and the positioning assembly (4) are controlled to repeatedly conduct lamination and detection circulation to carry out progressive closed loop fine adjustment, the overturning table (3) is matched with the stamping machine body (1), and final stamping forming is carried out on the bending part of the U-shaped bolt.

Description

Progressive stamping device and method for U-shaped bolt with self-adaptive positioning function Technical Field The invention relates to the technical field of stamping equipment, in particular to a progressive stamping device and method for a U-shaped bolt with a self-adaptive positioning function. Background In the prior art, the stamping processing of the U-shaped bolt mainly depends on a rigid mechanical clamp for positioning, the method lacks adaptability to the dimensional tolerance, pre-bending shape fluctuation and placement deviation of a workpiece, and is easy to cause poor consistency and low qualification rate of products after stamping, meanwhile, the traditional device generally lacks on-line contour detection and real-time compensation capability, relies on manual experience for adjustment and calibration, has low automation degree, and when multi-angle progressive stamping is required, the coordination among stations is insufficient and the accumulated error is large, so that the production requirements of modern intelligent manufacturing on high precision, high stability and full-flow automation are difficult to meet. Disclosure of Invention Therefore, in order to solve the defects, the invention provides a device and a method for gradually stamping a U-shaped bolt with an adaptive positioning function. The invention is realized in such a way, a device and a method for gradually stamping a U-shaped bolt with a self-adaptive positioning function are constructed, and the device comprises a stamping bed body; the top of the stamping bed body is fixedly provided with an adjusting piece with an adjusting function through a bolt, the adjusting piece specifically comprises a linear motor guide rail assembly and a base plate, the top of the base plate is rotatably provided with a turnover table, a positioning assembly is fixedly arranged at a groove on the top side of the turnover table, and the top of the turnover table is further provided with a clamping plate with a clamping function and a coil plate for electromagnetic driving. The positioning assembly comprises a fixed shell fixedly arranged at a groove at the top side of the overturning platform, ear plates are arranged at the upper end and the lower end of the side face of the fixed shell, a driving motor with a driving function is fixedly arranged on the top ear plates of the side face of the fixed shell, a segmented rod with an adjusting function is fixedly welded at the tail end of a transmission shaft of the driving motor, one side of a threaded end of the segmented rod is in threaded transmission with a threaded sleeve in an electromagnetic threaded sleeve, the electromagnetic threaded sleeve is specifically composed of the threaded sleeve and a coil lantern ring arranged at the outer side of the threaded sleeve, the electromagnetic threaded sleeve is respectively arranged in the ear plates at the top ends of the side faces of the fixed shell and the opening and closing shell, positioning rods with a limiting function are slidably arranged in the ear plates at the bottom of the side faces of the fixed shell and the opening and closing shell, a magnetic semi-ring structure with an angle of 180 degrees is arranged at the inner sides of the side faces of the fixed shell and the inner sides of the opening and closing shell, a rotating cylinder assembly is rotatably arranged at the outer sides of the magnetic semi-ring structure, the fixed shell and the side face of the opening and the opening shell is fixedly provided with a single controller through a bolt, and the single controller is connected with the rotating cylinder assembly through the cable. The rotary cylinder assembly comprises a magnetic semi-ring structure which is rotatably arranged on a fixed shell and an opening and closing shell, wherein the magnetic semi-ring structure is magnetically adsorbed with a primary combined cylinder, a servo motor with a driving function is fixedly arranged on the side surface of the primary combined cylinder through a bolt, a gear is fixedly inserted into the tail end of a transmission shaft of the servo motor, the side surface of the gear is meshed with a supporting gear ring, the supporting gear ring is rotatably arranged at a groove in the primary combined cylinder, the supporting gear ring is fixedly arranged in the middle of the side surface of a secondary combined cylinder, a pressure cylinder with an adjusting function is fixedly arranged on the side surface of the secondary combined cylinder, a detection cylinder assembly is fixedly arranged at the tail end of a piston rod of the pressure cylinder, and a photoelectric sensor for positioning is further arranged between the primary combined cylinder and the secondary combined cylinder. Preferably, the detection cylinder assembly comprises an arc plate fixedly arranged at the tail end of a piston rod of the pressure cylinder, a light-transmitting plate is fixedly inserted into the inner ca