CN212639190U - Profile steel stacking line and profile steel rolling production line - Google Patents
Profile steel stacking line and profile steel rolling production line Download PDFInfo
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- CN212639190U CN212639190U CN202020779446.XU CN202020779446U CN212639190U CN 212639190 U CN212639190 U CN 212639190U CN 202020779446 U CN202020779446 U CN 202020779446U CN 212639190 U CN212639190 U CN 212639190U
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Abstract
The utility model relates to a section steel stacking line, which comprises a section steel conveying device and a stacking device, wherein the section steel conveying device is provided with a short-length sorting section, the short-length sorting section comprises a plurality of fixed-length conveying chains which are arranged at intervals, at least one short-length conveying roller is arranged between every two adjacent fixed-length conveying chains, the axial direction of each short-length conveying roller is parallel to the guiding direction of the fixed-length conveying chains, and each short-length conveying roller is arranged in rows to form a short-length conveying roller way; and a short ruler collecting device is arranged on the outlet side of the short ruler conveying roller way. Still relate to the shaped steel rolling production line including this shaped steel pile up neatly line in addition. The utility model discloses a set up the short ruler rollgang of liftable in shaped steel conveyor, when the short ruler rollgang descends, can not cause the interference to the transport of scale shaped steel, when the short ruler rollgang ascends, can shift out shaped steel conveyor with the short ruler that bears on it through the rotation of short ruler rollgang self to convenient and fast ground realizes the automatic collection of short ruler shaped steel, improves production efficiency effectively.
Description
Technical Field
The utility model belongs to the technical field of shaped steel rolling equipment, concretely relates to shaped steel pile up neatly line and adopt shaped steel rolling production line of this shaped steel pile up neatly line.
Background
On hot rolling shaped steel production line, the multiple length section steel that comes off from the cold bed needs to be sawed into the scale section steel through the saw, can produce a small amount of short length section steel at the saw cutting in-process, and this part of short length section steel need sort before the pile up neatly and reject. At present, the sorting work of short-length section steel is mainly completed by manual operation, the labor intensity is high, the potential safety hazard is high, and the production efficiency of section steel rolling production is influenced. In addition, some production units use the electro-magnet to adsorb the transfer-away with short-length material when deciding the length material, and this kind of mode exists equipment operation unstability, electro-magnet elevating system structure complicacy, running cost and cost of maintenance height, occupy extra site space scheduling problem.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a shaped steel pile up neatly line and adopt shaped steel rolling production line of this shaped steel pile up neatly line can solve prior art's partial defect at least.
The utility model relates to a shaped steel pile up neatly line, including shaped steel conveyor and the pile up neatly device of arranging in shaped steel conveyor exit end, shaped steel conveyor has short chi letter sorting section, short chi letter sorting section includes a plurality of scale conveying chains of interval arrangement, arranges at least one short chi conveying roller between every two adjacent scale conveying chains, each short chi conveying roller axial all is on a parallel with the direction of scale conveying chain, each short chi conveying roller arranges in a row and constitutes short chi rollgang; each short ruler conveying roller is provided with a roller body lifting driving mechanism, and at least part of the short ruler conveying rollers are provided with roller body rotating driving mechanisms; and a short ruler collecting device is arranged on the outlet side of the short ruler conveying roller way.
As one embodiment, the short ruler collecting device includes a short ruler receiving roller way connected to the short ruler conveying roller way and a plurality of short ruler conveying chains arranged at intervals, the guiding direction of the short ruler conveying chains is parallel to the guiding direction of the fixed ruler conveying chains, each short ruler conveying chain is distributed between each short ruler receiving roller, and a positioning baffle is arranged at one end of the short ruler receiving roller way, which is far away from the short ruler conveying roller way.
In one embodiment, each of the short receiving rollers on which the short conveyor chain is distributed is configured as a short turning section, and each of the short receiving rollers in the short turning section is movably provided so as to have a working position where a roller body tip corresponding to the short receiving roller is flush with the fixed conveyor chain and a rest position where a roller body tip corresponding to the short receiving roller is positioned below the fixed conveyor chain.
In one embodiment, one end of each short receiving roller seat of the short turning section is hinged to the platform structure, and a swing driving mechanism is connected to the bottom of the roller seat.
In one embodiment, the short rule collecting device further comprises a short rule receiving groove arranged at an outlet end of the short rule conveying chain.
In one embodiment, the short rule receiving groove comprises a groove seat, a first groove wall and a second groove wall, the first groove wall and the second groove wall are both connected to the groove seat, the first groove wall is obliquely arranged, and the top end of the first groove wall is hinged with the platform structure.
In one embodiment, the section steel conveying device comprises a plurality of groups of section steel conveying units, the section steel conveying units are arranged at intervals, the arrangement direction of the section steel conveying units is perpendicular to the guide direction of the fixed length conveying chain, and each section steel conveying unit is connected with the stacking device.
The utility model discloses still relate to a shaped steel rolling production line, including shaped steel rolling unit, still include as above shaped steel pile up neatly line, shaped steel conveyor with the outlet side roll table of shaped steel rolling unit links up.
The utility model discloses following beneficial effect has at least:
the utility model discloses a set up the short ruler rollgang of liftable in shaped steel conveyor, when the short ruler rollgang descends, can not cause the interference to the transport of scale shaped steel, when the short ruler rollgang ascends, can shift out shaped steel conveyor with the short ruler that bears on it through the rotation of short ruler rollgang self to convenient and fast ground realizes the automatic collection of short ruler shaped steel, improves production efficiency effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic plan layout structure diagram of a section steel stacking line provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a section steel conveying device and a stacking device provided by the embodiment of the present invention;
fig. 3 is a schematic structural view of a short ruler collecting device according to an embodiment of the present invention;
fig. 4 is a schematic layout diagram of a roughing mill group and a finishing mill group provided in an embodiment of the present invention;
fig. 5 is a schematic hole pattern diagram of a first reversible breakdown mill according to an embodiment of the present invention;
fig. 6 is a schematic hole pattern diagram of a second reversible breakdown mill provided in an embodiment of the present invention;
fig. 7 is a schematic diagram of a pass of a finishing mill group according to an embodiment of the present invention;
fig. 8 is a schematic hole pattern diagram of the final finishing mill provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and 2, an embodiment of the present invention provides a section steel stacking line, including a section steel conveying device 1 and a stacking device 2 arranged at an outlet end of the section steel conveying device 1, where the section steel conveying device 1 has a short-length sorting section, the short-length sorting section includes a plurality of fixed-length conveying chains arranged at intervals, at least one short-length conveying roller 111 is arranged between every two adjacent fixed-length conveying chains, an axial direction of each short-length conveying roller 111 is parallel to a guiding direction of the fixed-length conveying chains, and each short-length conveying roller 111 is arranged in a row to form a short-length conveying roller way 11; each short transport roller 111 is provided with a roller lifting drive mechanism 113, and at least a part of the short transport rollers 111 are provided with a roller rotating drive mechanism 112; and a short ruler collecting device is arranged on the outlet side of the short ruler conveying roller way 11.
The section steel conveying device 1 may employ a section steel conveying apparatus for palletizing, such as a chain conveyor for palletizing, which is conventional in the art. The short-ruler sorting section is preferably located in the middle of the section steel conveying device 1, the short-ruler sorting section is respectively connected with the section steel conveying sections, the two section steel conveying sections also comprise a plurality of section steel conveying chains arranged at intervals, and the fixed-length conveying chains of the short-ruler sorting section are correspondingly connected with the section steel conveying chains of the front section steel conveying section and the rear section steel conveying section one by one to form the chain conveyor for stacking.
The stacking device 2 can adopt conventional stacking equipment in the field, and corresponding stacking equipment is selected according to a specific stacking mode; in this embodiment, this pile up neatly device 2 includes translation hacking machine, upset hacking machine and lift hacking platform etc. can realize the pile up neatly operation of multiple shaped steel, and specific equipment structure and relevant connection structure and with the linking structure of above-mentioned shaped steel conveyor 1 are the conventional technique in this field, do not need here to describe in detail.
In a preferred scheme, each short conveying roller 111 is provided with a roller body rotation driving mechanism 112 to ensure the conveying of the short steel; the roller-rotating drive mechanism 112 may be a conventional roller-driving device, such as a motor drive.
The roller lifting/lowering drive mechanisms 113 may be provided individually for the short transport rollers 111, that is, a set of roller lifting/lowering drive mechanisms 113 is provided for each short transport roller 111. In another embodiment, each short conveying roller 111 ascends and descends simultaneously, so that on one hand, the synchronism of the ascending and descending motion of each short conveying roller 111 is ensured, and on the other hand, the equipment investment and the equipment occupation space can be saved; that is, each short transport roller 111 is connected to the same set of roller body elevation driving mechanism 113, and optionally, the roller body elevation driving mechanism 113 adopts a crank-rocker mechanism, and the connection structure between the crank-rocker mechanism and each short transport roller 111 is easily designed by those skilled in the art and will not be described in detail herein. It is understood that the end of the ascent stroke of the short conveyor roller 111 is located above the fixed conveyor chain. On single scale shaped steel and single short length shaped steel were sent to shaped steel conveyor 1 in proper order, certain transport interval had between two adjacent shaped steel, through the action of controlling above-mentioned chain conveyor for the pile up neatly, can control whether scale shaped steel and short length shaped steel stop in short length rollgang 11 top to realize the separation of scale shaped steel and short length shaped steel.
The shaped steel pile up neatly line that this embodiment provided, through the short chi rollgang 11 that sets up the liftable in shaped steel conveyor 1, when short chi rollgang 11 descends, can not cause the interference to the transport of scale shaped steel, when short chi rollgang 11 rose, the rotation through short chi rollgang 111 self can shift out shaped steel conveyor 1 with the short chi that bears on it to convenient and fast ground realizes the automatic collection of short chi shaped steel, improves production efficiency effectively.
Further preferably, as shown in fig. 1, the section steel conveying device 1 comprises a plurality of groups of section steel conveying units, the section steel conveying units are arranged at intervals and are arranged in a direction perpendicular to the guiding direction of the fixed length conveying chain, and each section steel conveying unit is connected with the stacking device 2. Based on the structure, the section steel conveying device 1 can convey the fixed-length section steel with different length specifications, and the application range of the section steel conveying device is improved; the short-length conveying roller way 11 preferably covers various steel conveying units, so that various short-length steel can be stably and reliably collected.
Continuing the section steel palletizing line, as shown in fig. 1 and 3, the short-length collecting device includes a short-length receiving roller 31 connected to the short-length conveying roller 11 and a plurality of short-length conveying chains 32 arranged at intervals, the guiding direction of the short-length conveying chains 32 is parallel to the guiding direction of the fixed-length conveying chains, each short-length conveying chain 32 is distributed between each short-length receiving roller 311, and a positioning baffle is arranged at one end of the short-length receiving roller 31 far away from the short-length conveying roller 11. The positioning baffle can be a fixed baffle or a lifting baffle; each short conveyor chain 32 is obviously provided with a chain driving mechanism, that is, each short conveyor chain 32 is combined to form a chain conveyor, which is a conventional technology in the field, and the specific structure is not described herein; the short receiving roller 31 is obviously provided with a roller driving mechanism, and for example, each short receiving roller 311 is driven by a motor. The short steel receiving roller way 31 extends to the positioning baffle from the short steel conveying roller way 11, the short steel transferred from the short steel conveying roller way 11 further runs on the short steel receiving roller way 31 and is blocked by the positioning baffle to realize end alignment, and then the short steel is conveyed in a reversing way by the short steel conveying chain 32 (the running direction of the short steel on the short steel receiving roller way 31 is approximately parallel to the axis of the short steel, and the running direction of the short steel on the short steel conveying chain 32 is approximately vertical to the axis of the short steel).
Further preferably, as shown in fig. 1 and 3, each short receiving roller 311 distributed with the short conveying chain 32 is configured as a short turning section, each short receiving roller 311 of the short turning section is movably arranged so as to have a working position and an idle position, in the working position, the top end of the roller body corresponding to the short receiving roller 311 is flush with the fixed conveying chain, and in the idle position, the top end of the roller body corresponding to the short receiving roller 311 is located below the fixed conveying chain. In one embodiment, each short receiving roller 311 of the short turning section is switched between the working position and the idle position in a lifting manner, and a corresponding lifting driving device is configured; in another embodiment, each short receiving roller 311 of the short turning section is switched between the working position and the idle position in an up-and-down swinging manner, specifically, as shown in fig. 3, one end of a roller seat of each short receiving roller 311 of the short turning section is hinged to the platform structure, and a swinging driving mechanism 312 is connected to the bottom of the roller seat, and the swinging driving mechanism 312 may be hinged to the corresponding roller seat of the short receiving roller 311 and the platform structure by using a conventional swinging driving device, for example, a hydraulic cylinder. The length of the short turning section is generally smaller than the length of the short receiving roller 31. Based on the design of the short ruler turning section, the short ruler section steel can be conveniently transferred to the short ruler conveying chain 32 from the short ruler receiving roller way 31.
The short conveyor chain 32 transports the short section steel to the short section collecting area or to the short section collecting device, as shown in fig. 1 and 3, in this embodiment, the short section collecting device further includes a short section receiving groove 33, and the short section receiving groove 33 is disposed at the outlet end of the short conveyor chain 32. In one embodiment, as shown in fig. 3, the short rule receiving groove 33 comprises a groove seat, a first groove wall and a second groove wall, wherein the first groove wall and the second groove wall are both connected to the groove seat, the first groove wall is obliquely arranged, and the top end of the first groove wall is hinged with the platform structure; the first groove wall is obliquely arranged, so that short-length steel can be stably and reliably received, the impact damage of the short-length steel to the short-length receiving groove 33 is reduced, and the quality defect of the short-length steel is avoided; accept groove 33 through above-mentioned short ruler and accept and collect short ruler shaped steel, collect in the short ruler and accept the short ruler shaped steel in the groove 33, can make things convenient for artifical simple and easy packing, adopt manual packing machine packing or adopt the chain to simply tie up, coil off the production line by the hoist and mount of crane and carry out subsequent processing.
Example two
An embodiment of the utility model provides a section steel rolling production line, including section steel rolling unit, still include the section steel pile up neatly line that above-mentioned embodiment provided, shaped steel conveyor with the outlet side roll table of section steel rolling unit links up.
EXAMPLE III
The embodiment of the utility model provides a shaped steel rolling unit can be used to in above-mentioned embodiment two. The section steel rolling mill group is designed for rolling light rail steel, and specifically comprises the following steps:
referring to fig. 4, 7 and 8, the section rolling mill train comprises a roughing mill train and a finishing mill train 43, the roughing mill train comprises a first reversible cogging mill 41 and a second reversible cogging mill 42, the finishing mill train 43 comprises 7 finishing mills arranged in sequence, wherein the third finishing mill and the sixth finishing mill are two-roll horizontal mills 432, the last finishing mill 433 comprises a pair of horizontal rolls 4331 and a vertical roll 4332, and the pair of horizontal rolls 4331 and the vertical roll 4332 enclose to form a light rail finished hole pattern; the remaining finishing mills are universal mills 431.
The reversible cogging mill is conventional equipment in the field, and the specific structure of the reversible cogging mill is not described herein; both the first and second reversible breakdown mills 41, 42 are preferably two-roll reversible breakdown mills. Preferably, the billet is subjected to 3-5 times of reciprocating rolling in the first reversible cogging rolling mill 41; the rolling is repeated in the second reversible cogging mill 42 for 1 to 3 passes to roughly roll the rolled material into a substantially rail shape.
In one embodiment, as shown in fig. 5, the first reversible cogging mill 41 has a first cogging pass 4101, a second cogging pass 4102 and a third cogging pass 4103, and the first cogging pass 4101, the second cogging pass 4102 and the third cogging pass 4103 are sequentially arranged and the arrangement direction is perpendicular to the rolling stock running direction, wherein the first cogging pass 4101 is a box-shaped hole, and the second cogging pass 4102 and the third cogging pass 4103 are both cap-shaped holes. Further, there are two first pass 4101, one for each; two second cogging passes 4102 are provided, one for each; two third open blank hole types 4103 are provided, one for each; that is, the first reversible breakdown mill 41 has 6 breakdown patterns, and two first breakdown patterns 4101, two second breakdown patterns 4102, and two third breakdown patterns 4103 are arranged in this order. As shown in fig. 5, in the first pass 4101, the pass head region and the pass tail region are arranged in the horizontal direction (i.e., arranged left and right); in the second and third blanking patterns 4102 and 4103, the hole-pattern head region and the hole-pattern tail region are arranged in the vertical direction (i.e., vertically arranged); correspondingly, a pusher 411 and a tilter 412 are provided before the first reversible breakdown mill 41 (i.e., on the mill entry side) and after the first reversible breakdown mill 41 (i.e., on the mill exit side), the pusher 411 being capable of accurately guiding and moving the rolled stock to the pass, the tilter 412 preferably being arranged on the drive-side push plate of the pusher 411 and being capable of tilting the rolled stock by 90 ° according to the rolling process requirements (e.g., when entering the second pass 4102 from the first pass 4101). Further preferably, as shown in fig. 5, in the second open pass 4102 and the third open pass 4103, the head regions are both located above the leg regions, and based on the pass design, the rolled piece can be ensured to run stably, which is beneficial to improving the rough rolling quality.
In one embodiment, as shown in FIG. 6, the second reverse breakdown mill 42 employs rail-type breakdown passes to rough roll the product into a generally rail-shape; further, the second reversible blooming mill 42 has fourth blooming hole 4201, fifth blooming hole 4202 and sixth blooming hole 4203, and obviously, fourth blooming hole 4201, fifth blooming hole 4202 and sixth blooming hole 4203 are rail-shaped holes, and fourth blooming hole 4201, fifth blooming hole 4202 and sixth blooming hole 4203 are arranged in this order and the arrangement direction is perpendicular to the rolling stock running direction; furthermore, there are two fourth parison opening types 4201, one for each; the fifth cogging hole pattern 4202 is provided with two parts, one for one; the sixth open blank hole type 4203 has two, one is used and the other is prepared; that is, the second reversible cogging mill 42 has 6 cogging passes, and two fourth cogging holes 4201, two fifth cogging holes 4202, and two sixth cogging holes 4203 are arranged in this order. Push beds 422 are provided both before the second reverse breakdown mill 42 (i.e., on the mill entry side) and after the second reverse breakdown mill 42 (i.e., on the mill exit side), the push beds 422 being capable of accurately guiding and moving the rolled stock into alignment with the pass; in a preferred scheme, a jaw-type tilting gear 421 is arranged on the inlet side of the second reversible cogging mill 42, and can turn the rolled piece by 0-90 degrees according to the rolling process requirement.
Optionally, a crop hot saw 44 and a high-pressure water descaling device 45 are provided between the roughing mill train and the finishing mill train 43, and crop processing and scale removal can be performed on the rolled product.
In the finishing train 43 described above, the final finishing mill 433 is preferably converted from a universal mill, and specifically, it employs a pair of horizontal rolls 4331 and one of vertical rolls 4332 in the universal mill, with the other vertical roll being idle. In the final stand finishing mill 433, as shown in fig. 6, a pair of horizontal rolls 4331 can roll the rail head, the rail web, and the rail bottom upper surface of the light rail steel, the width of the roll surface of the vertical roll 4332 (i.e., the width in the axial direction of the vertical roll) is larger than the length of the rail bottom, the vertical roll 4332 rolls the rail bottom lower surface, and the vertical roll 4332 and the two horizontal rolls 4331 form a roll gap extending upward and a roll gap extending downward, respectively. Based on the 433-pass finishing mill, compared with a four-roller universal mill, the three-roller 433-type 433-pass finishing mill can improve the symmetry of the pass of the mill and improve the dimensional accuracy of a finished product; the time for adjusting the hole shape can be effectively reduced, the stability of the production process is ensured, and the surface quality of the finished product is improved.
The finishing mill group 43 is a continuous rolling mill group, and the continuous rolling process is automatically performed, and micro-tension rolling is realized. The main drive motor of the finishing mill is driven independently, and the maximum exit speed of the finishing mill group 43 is about 6 m/s.
The section steel rolling mill group provided by the embodiment adopts the rolling process of two reversible cogging mills and seven finishing mills, realizes the continuous rolling production of the light rail steel, and can obviously improve the rolling precision and the finished product quality of the light rail steel.
In a preferred embodiment, a universal mill mounting position is reserved on the outlet side of the finishing mill group 43, and further, the universal mill mounting position is only used for piling, so that a universal finishing mill can be added on the basis of the seven finishing mills, and the section rolling mill group has the function of end-off rolling.
Optionally, when the roll is changed, the whole set of roll system (comprising the roll and the guide) of the reversible cogging mill is moved out of the frame and sent into the roll room through the trolley to change the roll system; the finishing mill is used for quickly replacing the whole frame, the new frame is assembled between roll changing, and is conveyed into the main rolling span through the flat car, and the rolls are changed by the quick replacing device.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a shaped steel pile up neatly line, includes shaped steel conveyor and arranges the pile up neatly device in shaped steel conveyor exit end, its characterized in that: the section steel conveying device is provided with a short-length sorting section, the short-length sorting section comprises a plurality of fixed-length conveying chains which are arranged at intervals, at least one short-length conveying roller is arranged between every two adjacent fixed-length conveying chains, the axial direction of each short-length conveying roller is parallel to the guiding direction of the fixed-length conveying chains, and the short-length conveying rollers are arranged in rows to form a short-length conveying roller way; each short ruler conveying roller is provided with a roller body lifting driving mechanism, and at least part of the short ruler conveying rollers are provided with roller body rotating driving mechanisms; and a short ruler collecting device is arranged on the outlet side of the short ruler conveying roller way.
2. The section steel palletization line as claimed in claim 1, characterized in that: the short ruler collecting device comprises a short ruler carrying roller way connected with the short ruler conveying roller way and a plurality of short ruler conveying chains arranged at intervals, the guiding direction of each short ruler conveying chain is parallel to the guiding direction of the fixed ruler conveying chain, each short ruler conveying chain is distributed between the short ruler carrying rollers, and a positioning baffle is arranged at one end, far away from the short ruler conveying roller way, of the short ruler carrying roller way.
3. The steel stacking line of claim 2, wherein: each short length receiving roller distributed with the short length conveying chain is formed into a short length steering section, so that each short length receiving roller of the short length steering section can be movably arranged to be provided with a working position and an idle position, the working position corresponds to the top end of a roller body of the short length receiving roller and is flush with the fixed length conveying chain, and the idle position corresponds to the top end of the roller body of the short length receiving roller and is positioned below the fixed length conveying chain.
4. The section steel palletization line as claimed in claim 3, characterized in that: one end of each short ruler bearing roller seat of the short ruler turning section is hinged to the platform structure body, and the bottom of each roller seat is connected with a swing driving mechanism.
5. The steel stacking line of claim 2, wherein: the short ruler collecting device further comprises a short ruler receiving groove, and the short ruler receiving groove is arranged at the outlet end of the short ruler conveying chain.
6. The section steel palletization line as claimed in claim 5, characterized in that: the short ruler bearing groove comprises a groove seat, a first groove wall and a second groove wall, wherein the first groove wall and the second groove wall are connected to the groove seat, the first groove wall is arranged in an inclined mode, and the top end of the first groove wall is hinged to the platform structure body.
7. The section steel palletization line as claimed in claim 1, characterized in that: the section steel conveying device comprises a plurality of groups of section steel conveying units, the section steel conveying units are arranged at intervals, the arrangement direction of the section steel conveying units is perpendicular to the guide direction of the fixed length conveying chain, and the section steel conveying units are connected with the stacking device.
8. The utility model provides a section steel rolling production line, includes section steel rolling mill group, its characterized in that: the section steel palletization line as claimed in any one of claims 1 to 7, wherein the section steel conveying device is engaged with an outlet-side roller table of the section steel rolling unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020779446.XU CN212639190U (en) | 2020-05-12 | 2020-05-12 | Profile steel stacking line and profile steel rolling production line |
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| CN202020779446.XU CN212639190U (en) | 2020-05-12 | 2020-05-12 | Profile steel stacking line and profile steel rolling production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535563A (en) * | 2022-09-30 | 2022-12-30 | 北京科技大学 | Non-fixed-length bar removing system and non-fixed-length bar removing method thereof |
| WO2023098123A1 (en) * | 2022-07-26 | 2023-06-08 | 山东钢铁股份有限公司 | Single-tooth track plate cogging-down pass and hot rolling method |
-
2020
- 2020-05-12 CN CN202020779446.XU patent/CN212639190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023098123A1 (en) * | 2022-07-26 | 2023-06-08 | 山东钢铁股份有限公司 | Single-tooth track plate cogging-down pass and hot rolling method |
| CN115535563A (en) * | 2022-09-30 | 2022-12-30 | 北京科技大学 | Non-fixed-length bar removing system and non-fixed-length bar removing method thereof |
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