CN220432931U - Automatic steel pushing and tapping system of steel pushing type heating furnace - Google Patents
Automatic steel pushing and tapping system of steel pushing type heating furnace Download PDFInfo
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- CN220432931U CN220432931U CN202322213884.6U CN202322213884U CN220432931U CN 220432931 U CN220432931 U CN 220432931U CN 202322213884 U CN202322213884 U CN 202322213884U CN 220432931 U CN220432931 U CN 220432931U
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- steel pushing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 238000010438 heat treatment Methods 0.000 title claims abstract description 61
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 10
- 239000002436 steel type Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses an automatic steel pushing and tapping system of a steel pushing type heating furnace, which comprises a heating furnace, an operating platform and a controller, wherein a furnace door cylinder framework is arranged on a furnace door of the heating furnace, a steel pushing machine is arranged on one side of the heating furnace, the operating platform is positioned on one side of the furnace door of the heating furnace, a tapping machine for discharging is arranged at the top of the operating platform, the controller is positioned on an operating frame on one side of the operating platform, laser ranging sensors for distance modeling are arranged at the top ends of the operating platform and the heating furnace, an HMI picture display is arranged on the front surface of the controller, and a relay is arranged in the controller. According to the utility model, the PLC controller and the laser ranging sensor for automatic steel pushing and tapping control are added, the furnace door cylinder framework is modified, the steel pushing distance is modeled, various blank types and the replacement among blank types are met, the automatic steel pushing and tapping modification is performed, the control level and the control precision are greatly improved, and therefore the steel rolling production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of steel heating, in particular to an automatic steel pushing and tapping system of a steel pushing type heating furnace.
Background
The push steel type heating furnace has low cost, short construction period, wide application in steel rolling production workshops, simple control system, and far behind the stepping heating furnace in automation degree and control technology of auxiliary equipment in the furnace area.
In the existing production process of rolling steel by adopting a push-steel type heating furnace, steel billets turned over during steelmaking are loaded into the heating furnace and pushed out by a push-steel machine in a push-steel button advancing or retreating mode by operating a furnace loading roller switch by a furnace loading operator, the operation mode causes large workload of operators, meanwhile, the accuracy of pushing steel in place is low, the situation that steel tapping positions are fewer, steel dropping positions are more and second steel is pried during tapping is caused, and accidents frequently occur; the steel tapping furnace door is not interlocked with the steel tapping machine, misoperation is frequent, the furnace door does not open the steel tapping machine to advance, the furnace door is damaged by collision, and the steel tapping machine does not withdraw from the furnace to descend from the furnace to cause accidents such as furnace door damage; the furnace area of the heating furnace is linked with the rolling production line, when in actual production, an operator needs to tap according to the time of how many seconds, and only some equipment can be used for watching time, so that the tapping time is uneven, even the tapping time is inaccurate, and two steel on site are caused to finish rolling rear-end collision; the production efficiency is lower in the above mode, human factors are more, all operation and equipment state judgment can only be completed manually, the labor intensity of operators is high, and the quality of the produced steel is unstable.
Therefore, the steel pushing and tapping system of the steel pushing type heating furnace has strong applicability and high automation degree, and various blank-to-blank replacement models are established to meet the intelligent control requirement of one-key steel pushing and tapping.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The utility model aims to provide an automatic steel pushing system of a steel pushing type heating furnace, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic steel pushing system of steel pushing type heating furnace, includes heating furnace, operation panel and controller, install furnace gate cylinder framework on the furnace gate of heating furnace, one side of heating furnace is equipped with the pusher, the operation panel is located furnace gate one side of heating furnace, the tapping machine that is used for the ejection of compact is installed at the top of operation panel, the controller is located the operation panel on one side of the operation panel, the laser range sensor that is used for distance modeling is installed on the top of operation panel and heating furnace, the front of controller is equipped with HMI picture display, the internally mounted of controller has the relay.
Preferably, the operation table and the heating furnace are in a horizontal position, and the HMI picture display is fixedly connected with the controller through bolts.
Preferably, one end of the furnace door cylinder frame is fixedly connected with the heating furnace bolt, and the other end of the furnace door cylinder frame is fixedly connected with the furnace door bolt.
Preferably, the steel pusher is fixedly connected with the heating furnace through bolts, the tapping machine and the heating furnace discharge hole are positioned at the water level, and the tapping machine is connected with the operating platform through bearings.
Preferably, the laser ranging sensor is fixedly connected with the heating furnace through a bolt, and the laser ranging sensor is fixedly connected with the operating platform through a bolt.
Preferably, the controller is fixedly connected with the operating platform through bolts, and the controller is respectively connected with the furnace door cylinder framework, the pusher, the tapping machine, the HMI picture display and the laser ranging sensor through wires.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model relates to an automatic steel pushing-out system of a steel pushing type heating furnace, which is characterized in that a PLC (programmable logic controller) and a laser ranging sensor for controlling automatic steel pushing and tapping are added on the basis of the existing equipment of the steel pushing type heating furnace, a furnace door cylinder framework is modified, the steel pushing distance is modeled, various blank types and blank type replacement are met, the automatic steel pushing and tapping modification is carried out, the whole structure is simple, the operation is convenient, the automation degree is high, the control level and the precision are greatly improved, and the steel rolling production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an automatic push-out steel system of a push-out steel type heating furnace according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a connection structure of a laser ranging sensor in an automatic push-out steel system of a push-out steel type heating furnace according to an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and detailed description:
referring to fig. 1-2, an automatic steel pushing and tapping system of a steel pushing type heating furnace according to an embodiment of the utility model comprises a heating furnace, an operation table and a controller, wherein a furnace door cylinder frame is arranged on a furnace door of the heating furnace, a steel pushing machine is arranged on one side of the heating furnace, the operation table is positioned on one side of the furnace door of the heating furnace, a tapping machine for discharging is arranged at the top of the operation table, the controller is positioned on an operation frame on one side of the operation table, a laser ranging sensor for distance modeling is arranged at the top of the operation table and the heating furnace, an HMI screen display is arranged on the front surface of the controller, and a relay is arranged in the controller.
According to the scheme, the operating platform and the heating furnace are in the horizontal position, the HMI picture display is fixedly connected with the controller through bolts, the HMI picture display is provided with the timer, an operator can set time at will according to the production rhythm, the time is counted down, tapping operation can be carried out after reaching a zero post operation position, the uniform tapping time is realized, and the rear-end collision accident of the rolling mill is avoided.
According to the scheme of the utility model, one end of the furnace door cylinder frame is fixedly connected with the heating furnace bolt, the other end of the furnace door cylinder frame is fixedly connected with the furnace door bolt, the furnace door cylinder frame is modified, chain wheels are welded on two sides of the furnace door of the heating furnace to lead out a bracket, and the problems of frequent damage of a cylinder in a high-temperature area of the furnace door and stability of a cylinder position detection element are solved. In the early stage, the condition that the furnace door rises to the proper position and the detection element is not installed in a good position due to high temperature and is unstable occurs. The position of the furnace door cylinder is modified later. The prior furnace door cylinder is attached to the furnace door opening, and the cylinder is moved from the outside of the furnace door opening by about 0.6 m. Therefore, the temperature of the air cylinder can be reduced, the service life of the air cylinder is prolonged, and meanwhile, the furnace door is lifted to the bottom of the air cylinder for installing a detection element (the original proximity switch is changed into a magnetic switch, and the cost is reduced), so that the detection stability (temperature reduction) is ensured.
According to the scheme of the utility model, the steel pusher is fixedly connected with the heating furnace through bolts, the steel tapping machine is positioned at the water level position of the discharge hole of the heating furnace, the steel tapping machine is connected with the bearing of the operating platform, the furnace door and the steel tapping machine are controlled in a linkage manner, the advancing condition of the steel tapping machine is increased, the furnace door ascending knob is driven to the ascending position for 5 seconds, and the steel tapping machine is allowed to advance (if the furnace door is installed to ascend to the proper position, the installation is not stable and can cause production accidents due to the high temperature condition of the furnace door). The position detection linkage of the tapping machine is increased when the furnace door descends, the absolute value encoder of the tapping machine is used for linkage with the speed of the tapping machine (the forward speed value is positive, the backward speed value is negative), the descending condition of the furnace door is increased, the position of the tapping machine is less than or equal to 900mm (the maximum travel of the tapping machine from the zero position to the forward position of the tapping machine is 3600 mm), the speed of the tapping machine is less than or equal to 0, and simultaneously, the two conditions are met to allow the furnace door to descend, so that the accident that the furnace door is scraped when the tapping machine is not retracted in place is solved; meanwhile, the furnace door is in a chain wheel type, the lifting position of the furnace door is judged by detecting a cylinder (with a magnetic ring) through a magnetic switch, the lifting position of the furnace door is judged by adding a furnace door lifting in-place detecting element, the setting time of an operator on an HMI picture is realized, after the automatic steel tapping input (the automatic steel tapping machine is added with an 'input' and 'cutting off' button) is carried out, when the time is counted down to 0 second, the furnace door is automatically lifted, the furnace door is detected to be lifted in place, the steel tapping machine automatically advances after the furnace door is provided with steel (laser correlation detection), the furnace door automatically descends after the lifting is in place (the furnace door automatically descends when the backing position of a steel dragging machine is less than or equal to 900mm and more than or equal to 700mm, a descending signal is given for 1 second), the roller way automatically starts after the backing is in place, and a billet is conveyed away. The furnace door automatically descends in an automatic mode, the furnace door automatically descends at a fixed position, and the furnace door descends earlier than the furnace door automatically descends in a manual mode, so that heat loss in the furnace is reduced, heat radiation time of furnace door equipment is reduced, equipment temperature is reduced, and equipment service life is prolonged.
According to the scheme, the laser ranging sensor is fixedly connected with the heating furnace bolt, the distance ranging sensor is fixedly connected with the operating platform bolt, the laser ranging sensor is used for modeling the detection of the steel pushing distance, the requirements of various blank types and replacement among the blank types are met, and the interlocking requirement of the steel pushing machine and the roller way is met. The laser ranging sensor uses a double water cooling plate type (detecting distance is far, preventing high temperature from damaging a detecting element and improving operation stability). The tail end of the furnace inlet is provided with one for detecting that the furnace inlet roller way has steel; the head end of the charging port is provided with one, the steel billet is detected to completely run into the range of the heating furnace, one steel billet is prevented from being in place, and one steel billet is prevented from being out of place, and a pusher advances the billet to knock the furnace wall; the two sections of feeding roller ways are arranged one for chain protection of the pusher, when the forward position of the pusher exceeds 300mm, the two sections and the three sections of the feeding roller ways are not allowed to run, the pusher is prevented from being damaged, the detection modeling of the pushing distance is realized, the replacement requirements of various blank types and blank types are met, and the automatic and once-after-put success is realized, and the running is stable.
According to the scheme of the utility model, the controller is fixedly connected with the operating platform bolt, the controller is respectively connected with the furnace door cylinder framework, the steel pusher, the tapping machine, the HMI picture display and the laser ranging sensor through wires, the PLC controller adopts Siemens S7-300PLC to meet the automatic control requirement, the intermediate relay adopts DC24V direct current intermediate relay, the number of the intermediate relays is set in a dual-purpose two-standby mode, the PLC controller realizes that the steel pusher has steel when detecting no steel exists at a furnace outlet (laser correlation detection), the entering roller way has steel, the steel billet moves in place, the steel pusher automatically pushes steel after stopping of the roller way, the steel pusher automatically rolls back after pushing steel to a certain stroke, and the steel billet rolls back to a position of 250 mm.
When the steel bar pushing and tapping device is specifically used, the time countdown is set through the HMI picture display, the steel bar can be tapped after reaching a zero post operation position, the controller controls the furnace door cylinder framework to work to drive the furnace door to ascend, the furnace door is detected to ascend in place, the steel bar tapping machine automatically advances after the furnace door is provided with steel, meanwhile, the furnace door is automatically lifted in place, automatically retreats after being lifted in place, automatically falls down after being retreated in place, automatically starts a roller way after falling down in place, conveys steel billets away, works a pusher, pushes the steel billets out, and carries out modeling sensing detection processing through the laser ranging sensor in the whole process, thereby meeting the replacement among various billet types and billet types, carrying out automatic steel bar pushing and tapping transformation.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-described embodiment, but may be modified or substituted for some of the technical features described in the above-described embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a push away steel heating furnace automatic push away steel system, its characterized in that, including heating furnace, operation panel and controller, install furnace gate cylinder framework on the furnace gate of heating furnace, one side of heating furnace is equipped with the pusher, the operation panel is located furnace gate one side of heating furnace, the tapping machine that is used for the ejection of compact is installed at the top of operation panel, the controller is located the operation panel one side the operation panel, the laser range sensor that is used for apart from the modeling is installed on the top of operation panel and heating furnace, the front of controller is equipped with HMI picture display, the internally mounted of controller has the relay.
2. The automatic push-to-steel system of a push-to-steel heating furnace of claim 1, wherein the operating table and the heating furnace are in a horizontal position, and the HMI screen display is fixedly connected with the controller by bolts.
3. The automatic push-to-steel system of a push-to-steel heating furnace according to claim 1, wherein one end of the furnace door cylinder frame is fixedly connected with the heating furnace bolt, and the other end of the furnace door cylinder frame is fixedly connected with the furnace door bolt.
4. The automatic steel pushing system of the steel pushing type heating furnace according to claim 1, wherein the steel pushing machine is fixedly connected with the heating furnace through bolts, the steel pushing machine is positioned at a water level position with a discharge hole of the heating furnace, and the steel pushing machine is connected with the bearing of the operating platform.
5. The automatic steel pushing system of a steel pushing type heating furnace according to claim 1, wherein the laser ranging sensor is fixedly connected with the heating furnace through bolts, and the distance ranging sensor is fixedly connected with the operating platform through bolts.
6. The automatic steel pushing system of the steel pushing type heating furnace according to claim 1, wherein the controller is fixedly connected with the operating platform through bolts, and the controller is respectively connected with a furnace door cylinder framework, a steel pushing machine, an HMI picture display and a laser ranging sensor through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213884.6U CN220432931U (en) | 2023-08-17 | 2023-08-17 | Automatic steel pushing and tapping system of steel pushing type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213884.6U CN220432931U (en) | 2023-08-17 | 2023-08-17 | Automatic steel pushing and tapping system of steel pushing type heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220432931U true CN220432931U (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322213884.6U Active CN220432931U (en) | 2023-08-17 | 2023-08-17 | Automatic steel pushing and tapping system of steel pushing type heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220432931U (en) |
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2023
- 2023-08-17 CN CN202322213884.6U patent/CN220432931U/en active Active
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