CN-121988531-A - Deformed steel bar sorting and separating process capable of realizing short-length automatic collection

CN121988531ACN 121988531 ACN121988531 ACN 121988531ACN-121988531-A

Abstract

The invention discloses a deformed steel bar sorting and separating process capable of realizing automatic short-length collection, which comprises the following steps of (1) presetting parameters, moving a magnetic chuck assembly to a position right above a preset drop point suction position, (2) ascending a collision baffle plate to align the head end of deformed steel bars on a conveying roller way, (3) vertically descending the magnetic chuck assembly and generating magnetic force to accurately adsorb deformed steel bars meeting the standard set length, (4) vertically ascending the magnetic chuck assembly to enable the adsorbed deformed steel bars to be separated from the conveying roller way, at the moment, descending the collision baffle plate, starting the conveying roller way and the short-length collecting roller way, conveying the deformed steel bars to the short-length collecting roller way, 5) vertically descending the magnetic chuck assembly and releasing the magnetic force, and after the deformed steel bars are placed on the conveying roller way, ascending and resetting the deformed steel bars, conveying finished products at the moment, and (6) realizing the fixed-length and non-fixed-length sorting operation by means of circulation. The invention realizes automatic collection of short length and improves sorting accuracy.

Inventors

ZHAO GUOGANG
YAO XIAODONG
WANG CHUANCHAO
YANG CHANGFENG
LU SHIJIE
HAN CHAO
Lu Conghai
LV WENQING

Assignees

中天钢铁集团(南通)有限公司
中天钢铁集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260330

Claims (8)

1. A deformed steel bar sorting and separating process capable of realizing automatic collection of short length is characterized by comprising the following steps: (1) Firstly, inputting a standard specified length to preset parameters of a drop point suction position, and automatically moving a magnetic chuck assembly to a position right above the preset drop point suction position by a walking bracket according to feedback position information of a laser ranging device; (2) Controlling the collision baffle to rise, and aligning the head end and the end of a batch of screw steel sheared on the conveying roller way; (3) Then the transportation roller way stops acting, the magnetic chuck component vertically descends and generates magnetic force, and all the deformed steel bars meeting the standard and the specified length of the batch are accurately adsorbed; (4) Then the magnetic chuck component vertically ascends to enable all the deformed steel bars meeting the standard fixed length of the batch to be separated from the conveying roller way, the collision baffle descends at the moment, meanwhile, the conveying roller way and the short-length collecting roller way are started, and the deformed steel bars of the batch are conveyed to the short-length collecting rack; (5) Then the transportation roller way and the short-length collection roller way stop working, the magnetic chuck component vertically descends and releases magnetic force, and after the deformed steel bars meeting the standard and the specified length are stably placed on the transportation roller way, the deformed steel bars ascend and reset, and finished product conveying can be carried out at the moment; (6) After the sorting of the batch of screw steels is completed, all screw steels are automatically reset to the next batch of screw steels, so that the circulation is realized, and the full-automatic sorting and separating operation with fixed and non-fixed dimensions is realized.
2. The process for sorting and separating the deformed steel bars capable of realizing automatic collection of short length according to claim 1, wherein in the step (1), the magnetic chuck assembly is driven by a cylinder to perform vertical lifting action and is arranged on a walking support driven by a walking motor and a gear, so that the magnetic chuck assembly moves horizontally along with the walking support, the walking support is positioned on a cross beam, limit switches are arranged on two sides of the cross beam, and a laser ranging device for accurate positioning is arranged on the walking support.
3. The process for sorting and separating the deformed steel bars capable of realizing automatic collection of short length according to claim 2, wherein in the step (1), the reference preset by parameters is that the position which is away from the head end (standard length-1) of the deformed steel bars and is the position of the magnetic chuck component for sucking the falling point is preset according to the standard length of the deformed steel bars.
4. The process for sorting and separating deformed steel bars capable of achieving automatic collection of short length according to claim 3, wherein in the step (2), when a detection switch on the transport roller table sends a steel-free signal and receives an external steel request, the alignment baffle is vertically lifted, and the sheared deformed steel bars are conveyed to the transport roller table and head end alignment is performed through the alignment baffle.
5. The process for sorting and separating deformed steel bars capable of automatically collecting deformed steel bars to a short length according to claim 4, wherein in the step (3), when the detection switch on the transport roller table sends a steel signal and the alignment of the head end of the deformed steel bars is confirmed, the magnetic chuck assembly is vertically lowered by the driving of the cylinder, and immediately generates a magnetic force after lowering in place, so that the region from the head end (standard length of-1) m to the tail end of the deformed steel bars is firmly adsorbed.
6. The process for sorting and separating deformed steel bars capable of automatically collecting deformed steel bars to short lengths according to claim 5, wherein in the step (4), the magnetic chuck assembly is vertically lifted to lift the deformed steel bars to 50mm, and after the lifting is completed, the vertical lowering of the knock-up baffle is automatically triggered, at this time, the transport roller way and the deformed steel bars collecting roller way are started, and the deformed steel bars not adsorbed are smoothly conveyed to the deformed steel bars collecting roller way through the transport roller way because the deformed steel bars are separated from the transport roller way, and after the deformed steel bars collecting roller way is collided, the deformed steel bars collecting roller way stops working and is pushed into the deformed steel bars collecting roller way through the steel bar pushing device.
7. The process for sorting and separating the deformed steel bars capable of realizing automatic collection of short length according to claim 6, wherein in the step (5), after the magnetic chuck assembly is lifted and reset, the hydraulic leveling device is started and performs periodic material taking actions, and deformed steel bars meeting the standard specified length are stably lifted and transferred onto a transport chain through lifting steel bars, advancing steel bars and descending steel bars in sequence, and then are transported to a counting machine by the transport chain for subsequent automatic counting and bundling operations.
8. The process for sorting and separating the deformed steel bars capable of realizing short-length automatic collection according to claim 7 is characterized in that the hydraulic leveling device is provided with a front-rear in-place detection switch and an upper-lower in-place detection switch, and the action accuracy of the hydraulic leveling device is ensured through the front-rear in-place detection switch and the upper-lower in-place detection switch.

Description

Deformed steel bar sorting and separating process capable of realizing short-length automatic collection Technical Field The invention relates to the technical field of deformed steel bar production, in particular to a deformed steel bar sorting and separating process capable of realizing short-length automatic collection. Background On an automated production line for deformed steel bars, finished products are usually collected and bundled according to standard sizing after being sheared. However, due to factors such as shearing accuracy, head-to-tail variation during rolling, etc., a deformed steel (i.e., non-sized or short length) having a portion of a length that does not meet the standard sizing requirements is inevitably produced. At present, the non-fixed-length picking mainly depends on the following modes, but has obvious defects that 1) manual sorting is carried out, unqualified short-length steel materials are picked out from finished products by means of manual visual inspection, the mode is high in labor intensity and low in efficiency, long-term operation is easy to cause missed detection or false detection due to visual fatigue, and cannot meet the production requirements of high speed and continuity, 2) simple mechanical blocking is carried out, the fixed baffles are arranged at the tail ends of the conveying roller tables, steel materials are separated under the action of inertia, short-length distinguishing differences with small length differences are poor, steel materials are easy to collide and stack, the subsequent point number and bundling quality are affected, 3) a visual recognition system is used for part of high-end production lines to try to introduce visual detection, and is limited by severe environments such as high temperature on site, dust, water mist and the like, camera and light source stability is poor, the maintenance cost is high, and the recognition accuracy is difficult to guarantee for complex stacking states with uneven head ends. Therefore, the defects of low automation degree, poor sorting precision, insufficient equipment stability, large influence on production rhythm and the like commonly exist in the prior art. Therefore, how to develop an automatic non-fixed-length picking method based on fixed-point suction and segmented transportation to realize efficient, accurate and stable automatic sorting has become a difficult problem to be solved at present. Disclosure of Invention The technical problem to be solved by the invention is to provide a deformed steel bar sorting and separating process capable of realizing automatic short-length collection, wherein the deformed steel bars meeting the standard fixed length can be automatically sucked and separated from aligned deformed steel bar bundles by presetting the suction position of a drop point and the standard fixed length and then utilizing a magnetic chuck assembly capable of being accurately positioned, and the rest deformed steel bars with short length are automatically conveyed to a short-length collecting rack, so that misjudgment of visual identification in a severe environment is avoided, automatic short-length collection is realized, and sorting accuracy is improved. In order to solve the technical problems, the invention adopts the following technical scheme that the deformed steel bar sorting and separating process capable of realizing short-length automatic collection is characterized by comprising the following steps: (1) Firstly, inputting a standard specified length to preset parameters of a drop point suction position, and automatically moving a magnetic chuck assembly to a position right above the preset drop point suction position by a walking bracket according to feedback position information of a laser ranging device; (2) Controlling the collision baffle to rise, and aligning the head end and the end of a batch of screw steel sheared on the conveying roller way; (3) Then the transportation roller way stops acting, the magnetic chuck component vertically descends and generates magnetic force, and all the deformed steel bars meeting the standard and the specified length of the batch are accurately adsorbed; (4) Then the magnetic chuck component vertically ascends to enable all the deformed steel bars meeting the standard fixed length of the batch to be separated from the conveying roller way, the collision baffle descends at the moment, meanwhile, the conveying roller way and the short-length collecting roller way are started, and the deformed steel bars of the batch are conveyed to the short-length collecting rack; (5) Then the transportation roller way and the short-length collection roller way stop working, the magnetic chuck component vertically descends and releases magnetic force, and after the deformed steel bars meeting the standard and the specified length are stably placed on the transportation roller way, the deformed steel bars ascend and reset, and finished product conveying can be