An automatic sampling device, system and method for a bar cooling bed

Abstract

The present invention discloses a bar cooling bed automatic sampling device, system and method. The device includes: a transverse moving trolley, which is driven to run on a track by a driving device; the track is parallel to the incoming material direction; a controlled lifting platform, which is installed on the transverse moving trolley and can complete a lifting action under control; a controlled sampling vehicle, which is controlled to run on the upper surface of the controlled lifting platform; a controlled sampling device, which is installed on the sampling vehicle; and a control device, which receives an external signal to output a control signal to a stepping driving device, the controlled lifting platform, the controlled sampling vehicle and the controlled sampling device. The present invention uses a video recognition camera. The sampling vehicle moves on the track under the teeth of the cooling bed, and the transverse moving trolley follows the cooling bed to step and move during the shearing process. A hydraulic shearing device completes the shearing of the sampled bar, a clamping device completes the collection of the sampled bar, and a conveying device completes the conveyance of the sample to a sampling box at the head of the cooling bed. After setting the position to be sampled, this system can automatically complete bar sampling, reducing the manual work intensity and danger.

Description

Technical Field

[0001] The present invention relates to an automatic sampling device, system and method at a cooling bed of a bar production line. Background Art

[0002] In the metallurgical industry, the sampling of ribbed steel bars at the cooling bed of the bar production line is manually completed. In the sampling area of the cooling bed, the steel temperature is over 600 degrees, so the working environment is very harsh. Moreover, the ribbed steel bars are running at high speed in the sampling area of the cooling bed. If the ribbed steel bars are not running stably, they are likely to fly out and cause injury. If sampling is done at the cooling section of the outgoing cooling bed, it lags too much behind the rolling process, resulting in too slow feedback information. Therefore, there is an urgent need to use machines to replace manual sampling of the ribbed steel bar equipment on the cooling bed. Summary of the Invention

[0003] To overcome the above defects, the object of the present invention is to utilize advanced mechanical, electronic control software and hardware to form a set of bar cooling bed automatic sampling device, system and method with strong integrity, high stability and strong maintenance convenience.

[0004] To achieve the above object, an automatic sampling device for a bar cooling bed of the present invention includes:

[0005] A transverse moving trolley, which is driven by a driving device to run on a track; the track is parallel to the incoming material direction;

[0006] A controlled lifting platform, which is installed on the transverse moving trolley and can be controlled to complete the lifting action;

[0007] A controlled sampling vehicle, which is controlled to run on the upper surface of the controlled lifting platform;

[0008] A controlled sampling device, which is installed on the sampling vehicle;

[0009] A control device, which receives an external signal and outputs a control signal to a stepping driving device, a controlled lifting platform, a controlled sampling vehicle and a controlled sampling device.

[0010] Further, the controlled sampling device includes a controlled sampling clamping device installed on the sampling vehicle and a controlled hydraulic shear installed on one side of the sampling clamping device.

[0011] Further, an intermediate sample box is arranged on the upper surface of the controlled lifting platform.

[0012] Further, the driving device of the transverse moving trolley is a hydraulic cylinder.

[0013] To achieve the above object, an automatic sampling system for a bar cooling bed of the present invention includes: a positioning module and the above automatic sampling device for a bar cooling bed;

[0014] Among them, the positioning module is used to identify the position of the sampled bar and output the position information to the control device;

[0015] After receiving the position information, the control device outputs a control signal to enable the controlled sampling device to complete sampling of the target sample.

[0016] To achieve the above object, the automatic sampling method for the bar cooling bed of the present invention includes:

[0017] 1) The camera obtains the position data of the rolled piece to be sampled in real time and outputs it to the control device;

[0018] 2) The control device calculates the position to be sheared according to the head position of the rolled piece and the preset sampling length. The sampling vehicle performs positioning control according to this calculation result, and the sampling vehicle is driven by a servo motor to move to make the sampling vehicle reach the target position; the transverse movement vehicle is hydraulically driven according to the position of the finished steel at the rack of the cooling bed and follows the stepping action of the moving teeth of the cooling bed;

[0019] 3) After the sampling vehicle and the transverse movement vehicle complete the position following of the rolled piece, the controlled sampling device is driven by the controlled lifting platform to rise, fix and shear the rolled piece to be sheared;

[0020] 4) Drive the lifting platform to drive the controlled sampling device to descend to pull the sampled piece under the cooling bed to complete the sampling work.

[0021] The present invention uses a video recognition camera, the sampling vehicle moves on the track under the cooling bed teeth, the transverse movement vehicle follows the stepping transverse movement of the cooling bed during shearing, the hydraulic shearing device completes the shearing of the sampled bar, the clamping device completes the collection of the sampled bar, and the conveying device completes the sampling and sends it to the sampling box at the head of the cooling bed. After setting the position to be sampled, this system can automatically complete bar sampling, reducing the manual work intensity and danger. Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of an embodiment of the automatic sampling device for the bar cooling bed of the present invention.

[0023] Figure 2 For Figure 1 Schematic layout diagram of the embodiment.

[0024] Figure 3 For Figure 2 Top view schematic diagram of. Detailed Embodiment

[0025] The embodiments of the present invention will be described in detail below with reference to the drawings.

[0026] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0027] The terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0028] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] As Figures 1 to 3 shown, the mechanical equipment part of the present invention mainly includes: ① skirt board (equipment on the production line), ② cooling bed rack (equipment on the production line), ③ finished steel (rolled piece), ④ hydraulic shear, ⑤ clamp, ⑥ transverse transfer cart, ⑦ lifting platform, ⑧ lifting hydraulic cylinder, ⑨ sampling cart, ⑩ transverse transfer cart track, ⑪ camera, ⑫ intermediate sample box, ⑬ sample conveying belt, ⑭ sample box

[0030] An embodiment of an automatic sampling device for a bar cooling bed of the present invention includes: a transverse transfer cart 6, which is driven by a driving device to run on a track 10, and the track is parallel to the incoming material direction; the transverse transfer cart is hydraulically driven according to the position of the ③ finished steel at the cooling bed rack, and follows the stepping action of the moving teeth of the cooling bed, thus winning time for the smooth completion of the shearing action and the sample feeding action.

[0031] The controlled lifting table 7 is installed on the traversing trolley and can be controlled to complete the lifting action; the structure of the controlled lifting table can be selected according to needs. Only one embodiment is shown in the figure, which includes a lower table surface and an upper table surface, and an X-shaped bracket between the upper and lower table surfaces. The upper and lower ends on the same side of the X-shaped bracket are respectively hinged to the corresponding upper table surface and lower table surface; the upper and lower ends on the other side of the X-shaped bracket are installed with sliding supports on the lower surface of the corresponding upper table surface and the upper surface of the lower table surface, or slide rails are provided on the lower surface of the upper table surface and the upper surface of the lower table surface, and the upper and lower ends on the other side of the X-shaped bracket are rollingly arranged on the slide rails through pulleys; a lifting hydraulic cylinder 8 is installed on the X-shaped bracket, and the lower end of the lifting hydraulic cylinder 8 is installed on the lower table surface or at one end of the X-shaped bracket; the upper end of the lifting hydraulic cylinder 8 is installed above the intersection of the X-shaped bracket. The lifting hydraulic cylinder is controlled to expand and contract, which can drive the sliding side and the hinged side of the X-shaped bracket to move towards or away from each other, so that the X-shaped bracket completes the lifting action.

[0032] The controlled sampling vehicle 9 runs controllably on the upper table surface of the controlled lifting table; the walking and positioning of the sampling vehicle are closed-loop controlled by a servo controller and a position encoder to accurately complete the positioning of the sampling vehicle to ensure the accuracy of the sampling length. The controlled sampling vehicle 9 can be designed according to needs, for example, a slide table driven by a servo motor can be used to complete it.

[0033] The controlled sampling device is installed on the sampling vehicle; the controlled sampling device consists of a hydraulic shear 4 and a clamp 5; the clamp is used to clamp the rolled piece and place the clamped rolled piece at a predetermined position under the drive of the sampling vehicle and the traversing trolley; it can be designed and selected according to needs, and it is not important in itself. It can be completed by a 2-axis or multi-axis manipulator.

[0034] The control device receives external signals and outputs control signals to the stepper drive device, the controlled lifting table, the controlled sampling vehicle, and the controlled sampling device. The control device is preferably a PLC system.

[0035] During the bar rolling process, the rolled piece after being sheared by the flying shear of multiple lengths passes through the post-shear roller table at high speed, reaches the apron of the cooling bed ①, decelerates through friction, and finally is thrown onto the straightening plate. After the rolled piece decelerates, the ⑪ camera installed at the head of the cooling bed acquires the head movement video of the rolled piece to be sampled in real time. After it stops stably, the video server stores and processes the video information collected by the video camera, converts it into the position data of the rolled piece, and sends it to the PLC system through Ethernet;

[0036] The PLC system calculates the position to be sheared according to the head position of the rolled piece and the preset sampling length. The sampling vehicle performs positioning control according to this calculation result, and the sampling vehicle is driven by a servo motor to move. A closed-loop control is formed by an encoder to make the sampling vehicle reach the target position;

[0037] The transverse trolley is hydraulically driven according to the position of the finished steel at the cooling bed rack, and follows the stepping motion of the moving teeth of the cooling bed, which wins time for the smooth completion of the shearing and sample feeding actions;

[0038] After the sampling trolley and the transverse trolley complete the position follow-up of the rolled piece, the hydraulic shears ④ and the clamp ⑤ are driven by the lifting platform ⑦ to rise, positioning the rolled piece to be sheared into the clamping arms of the clamp and the hydraulic shears. First, the clamp clamps the head of the rolled piece, and then the hydraulic shears cut off the sampling piece. At this time, the lifting platform ⑦ drives the hydraulic shears and the clamp to descend, and uses the gap between the two moving teeth to pull the sampling piece under the cooling bed, and then the clamp rotates to place the sampling piece into the intermediate sample box ⑫;

[0039] The lower channel of the intermediate sample box is opened, and the sample falls onto the sample conveyor belt ⑬ and is conveyed by the belt to the sample box ⑭ to complete the sampling work.

[0040] The upper computer is the human-machine interaction interface. The parameter setting, equipment status monitoring, equipment maintenance, etc. of this device are all completed by the upper computer. It can also query historical data and complete sampling work records, etc.;

[0041] The camera ⑪ at the head of the cooling bed, as the device for collecting video information, obtains the head movement video of the rolled piece to be sampled in real time until the rolled piece stops stably. Then, through the video transmission medium, the video data is sent to the video server. The video server is used to store and process the video information collected by the video camera, convert it into the position data of the rolled piece, and then send it to the PLC system through the Ethernet;

[0042] In summary, the present invention adopts a brand-new sampling mechanical device, changes the traditional manual sampling method on the cooling bed, adopts an advanced control system solution, ensures the stable and reliable operation of the device, is convenient for maintenance, liberates the staff from the dangerous working environment, improves the sampling rate, provides a basis for the adjustment of rolling line parameters, and can bring considerable economic benefits.

[0043] In the description of this specification, specific features, structures, materials or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0044] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. An automatic sampling system for a bar cooling bed, characterized in that, Comprising: A positioning module and an automatic sampling device for a bar cooling bed; The automatic sampling device for a bar cooling bed comprises: A transverse transfer trolley, which is driven by a driving device to run on a track; the track is parallel to the incoming material direction; A controlled lifting table, which is installed on the transverse transfer trolley and can be controlled to complete lifting actions; A controlled sampling vehicle, which is controlled to run on the upper surface of the controlled lifting table; A controlled sampling device, which is installed on the sampling vehicle; A control device, which receives external signals and outputs control signals to a stepping driving device, the controlled lifting table, the controlled sampling vehicle and the controlled sampling device; The positioning module is used to identify the position of the sampled bar and output position information to the control device; After receiving the position information, the control device outputs a control signal to enable the controlled sampling device to complete sampling of the target sample; The controlled sampling device comprises a controlled sampling clamping device installed on the sampling vehicle and a controlled hydraulic shear installed on one side of the sampling clamping device.

2. The automatic sampling system for the bar cooling bed according to claim 1, characterized in that An intermediate sample box is arranged on the upper surface of the controlled lifting table.

3. The automatic sampling system for bar cooling bed according to claim 1, characterized in that: The driving device of the transverse transfer trolley is a hydraulic cylinder.

4. An automatic sampling method for a bar cooling bed, characterized in that, The method is implemented on the basis of the automatic sampling system for a bar cooling bed described in claim 1, and comprises: 1) A camera obtains the position data of the rolled piece to be sampled in real time and outputs it to the control device; 2) The control device calculates the position to be sheared according to the head position of the rolled piece and the preset sampling length. The sampling vehicle performs positioning control according to this calculation result, and is driven by a servo motor to move the sampling vehicle to the target position; the transverse transfer trolley is hydraulically driven according to the position of the finished steel on the cooling bed rack and follows the stepping action of the moving teeth of the cooling bed; 3) After the sampling vehicle and the transverse transfer vehicle complete the position follow-up of the rolled piece, the controlled sampling device is driven by the controlled lifting table to rise, and the rolled piece to be sheared is fixedly clamped and cut off; 4) The driving lifting table drives the controlled sampling device to descend to pull the sampled piece under the cooling bed to complete the sampling work.

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