CN215965496U

CN215965496U - Bar production line

Info

Publication number: CN215965496U
Application number: CN202121635363.4U
Authority: CN
Inventors: 雷秀文
Original assignee: Fuzhou Jinquan Metallurgical Machinery Equipment Co ltd
Current assignee: Fuzhou Jinquan Metallurgical Machinery Equipment Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-08
Anticipated expiration: 2031-07-19

Abstract

The utility model provides a bar production line, which comprises the following components in sequence: the rough rolling unit, the first crop flying shear, the middle rolling unit, the first water tank, the first pinch roll, the second crop flying shear, the segmentation finishing rolling unit, the third crop flying shear and the back are divided into two paths: first way is through first specification rod production unit, and second way is through second specification rod production unit, then two the tunnel is through two hub steel feeding device, cold bed, transmission device, first roll table, cold scale scissors, scale machine, second roll table, the back divides two tunnel: one path is connected with a finished product transportation/counting/checking/device, a third roller way, a bar packaging machine and a finished product bundle weighing device; the other path is connected with a non-fixed-length finished product collecting table. A new production line is formed by each device, so that the specifications of products are enriched, the product quality is improved, and more choices are provided for customers.

Description

Bar production line

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of bar production equipment, in particular to a bar production line.

[ background of the utility model ]

The general technological process of a bar production line comprises the following steps: heating a steel billet → rolling → double-length shearing → cooling → fixed-length shearing → inspection → packaging. The production lines corresponding to the process flow are different due to different technological properties of the bars. With the development of technology, equipment manufacturers are also required to enrich their product specifications and improve product quality in the face of increasingly intense market competition. Therefore, a new production line needs to be designed.

[ Utility model ] content

The technical problem to be solved by the utility model is to provide a bar production line, so as to enrich product specifications, improve product quality and provide more choices for customers.

The utility model is realized by the following steps: a bar production line comprises the following components arranged in sequence along the process sequence: roughing mill group, first cutting flying shear, well rolling mill group, first water tank, first pinch roll, second cutting flying shear, segmentation finishing mill group, first garrulous disconnected shear, the second water tank, the third water tank, the fourth water tank, the second pinch roll, the second garrulous disconnected shear, found loop, module rolling mill, fifth water tank, the third pinch roll, the fourth pinch roll, swing pipe device, first double length is cut, double-line pinch roll, multi-thread delivery conduit, fifth pinch roll, double hub steel feeding device, cold bed, transmission device, first roll table, cold set length shear, scale machine, the second roll table, divide two tunnel after: one path is connected with a finished product transportation/counting/checking/device, a third roller way, a bar packaging machine and a finished product bundle weighing device; the other path is connected with a non-fixed-length finished product collecting table.

Further, the first specification bar production unit comprises the following components arranged in sequence along the process sequence: the device comprises a first breaking shear, a second water tank, a third water tank, a second pinch roll, a third pinch roll, a fourth water tank, a horizontal loop, a fourth pinch roll, a second breaking shear, a vertical loop, a modular rolling mill set, a fifth water tank, a fifth pinch roll, a sixth water tank, a sixth pinch roll, a seventh pinch roll, a swing pipe device, a first double-length shear, a double-line pinch roll, a multi-line conveying pipe and a plurality of eighth pinch rolls.

Further, the second specification bar production unit comprises the following components arranged in sequence along the process sequence: the device comprises a third breaking shear, a seventh water tank, an eighth water tank, a ninth pinch roll, a tenth pinch roll, a ninth water tank, another horizontal loop, an eleventh pinch roll, a fourth flying shear, a fourth breaking shear, another vertical loop, a second finishing mill group, another modular mill group, a tenth water tank, a twelfth pinch roll, an eleventh water tank, a thirteenth pinch roll, a fourteenth pinch roll, another swing pipe device, a second double-length shear, another double-line pinch roll, a multi-line conveying pipe and a plurality of fifteenth pinch rolls.

The utility model has the advantages that: a bar production line comprises the following components arranged in sequence along the process sequence: the rough rolling unit, the first crop flying shear, the middle rolling unit, the first water tank, the first pinch roll, the second crop flying shear, the segmentation finishing rolling unit, the third crop flying shear and the back are divided into two paths: first way is through first specification rod production unit, and second way is through second specification rod production unit, then two the tunnel is through two hub steel feeding device, cold bed, transmission device, first roll table, cold scale scissors, scale machine, second roll table, the back divides two tunnel: one path is connected with a finished product transportation/counting/checking/device, a third roller way, a bar packaging machine and a finished product bundle weighing device; the other path is connected with a non-fixed-length finished product collecting table. A new production line is formed by each device, so that the specifications of products are enriched, the product quality is improved, and more choices are provided for customers.

[ description of the drawings ]

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 to 9 combine a complete structural representation of the bar production line of the utility model.

[ detailed description ] embodiments

In the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The general concept of the utility model is as follows:

(1) according to the bar production line, a new production line is formed by all the devices, so that the specifications of products are enriched, the quality of the products is improved, and more choices are provided for customers. And each device can be an existing device or a new device.

Please refer to fig. 1 to 9.

Example (b):

the utility model relates to a bar production line, which comprises the following components in sequence along the process sequence: the method comprises the following steps of (1) dividing a roughing mill group 101, a first head cutting flying shear 102, a middle mill group 103, a first water tank 104, a first pinch roll 105, a second head cutting flying shear 106, a fine cutting mill group 107, a third head cutting flying shear 108 into two paths: the first path passes through a first specification bar production unit 109, the second path passes through a second specification bar production unit 110, and then the two paths pass through a double-hub steel feeding device 111, a cooling bed 112, a transmission device 113, a first roller table 114, a cold sizing shear 115, a sizing machine 116 and a second roller table 117, and then are divided into two paths: a joint finished product transport/counting/inspection/device 118, a third roller 119, a bar packer 120, a finished bundle weighing device 121; and the other path is connected to a non-sized finished product collection station 122.

In a specific embodiment, as shown in fig. 6 to 9:

the first-specification bar production unit 109 comprises the following components arranged in sequence: the automatic chopping machine comprises a first chopping shear 1091, a second water tank 1092, a third water tank 1093, a second pinch roll 1094, a third pinch roll 1095, a fourth water tank 1096, a horizontal loop 1097, a fourth pinch roll 1098, a second chopping shear 1099, a standing loop 10910, a modular rolling mill unit 10911, a fifth water tank 10912, a fifth pinch roll 10913, a sixth water tank 10914, a sixth pinch roll 10915, a seventh pinch roll 10916, a swing conduit device 10917, a first double-length shear 10918, a double-line pinch roll 10919, a multi-line conveying conduit 10920 and a plurality of eighth pinch rolls 10921.

The process of the rolled piece passing through the first specification bar production unit 109 is as follows: after the rolled piece comes out of the third crop flying shear 108, the rolled piece firstly passes through the first breaking shear 1091, and the first breaking shear 1091 starts to work only when the quality of the rolled piece has a problem; then, the rolled piece is cooled and heat-treated step by a second water tank 1092 and a third water tank 1093, conveyed by a second pinch roll 1094 and a third pinch roll 1095, then enters a fourth water tank 1096 for cooling and heat treatment, then enters a horizontal loop 1097, then enters a fourth pinch roll 1098, is conveyed to a second breaking shear 1099, has the same action as the first breaking shear 1091, then passes through a vertical loop 10910 and enters a module rolling mill unit 10911 for rolling, the rolled piece with the required size enters a fifth water tank 10912 for re-cooling and heat treatment, then is conveyed to a sixth water tank 10914 by a fifth pinch roll 10913 for further cooling and heat treatment, then is conveyed to a swing conduit device 10917 by a sixth pinch roll 10915 and a seventh pinch roll 10916, the rolled piece is regulated to a corresponding shearing path by the swing conduit device 10917, and is cut by a first double-length ruler 18 so that the rolled piece is matched with the cooling bed 112, and then conveyed by a double-line pinch roller 10919 through a multi-line conveying conduit 10920, and then conveyed to the double-hub steel feeding device 111 by a plurality of eighth pinch rollers 10921.

The second-specification bar production unit 110 comprises the following components arranged in sequence: a third breaking shear 1101, a seventh water tank 1102, an eighth water tank 1103, a ninth pinch roller 1104, a tenth pinch roller 1105, a ninth water tank 1106, another horizontal loop 1107, an eleventh pinch roller 1108, a fourth flying shear 1109, a fourth breaking shear 11010, another vertical loop 11011, a second finishing mill 11012, another modular mill 11013, a tenth water tank 11014, a twelfth pinch roller 11015, an eleventh water tank 11016, a thirteenth pinch roller 11017, a fourteenth pinch roller 11018, another swing pipe 11019, a second double-length shear 11020, another double-line pinch roller 11021, a multi-line conveying pipe 11022 and a plurality of fifteenth pinch rollers 11023.

The process of rolled pieces in the second specification bar production unit 110 comprises the following steps: after the rolled piece comes out of the third crop flying shear 108, the rolled piece firstly passes through a third breaking shear 1101 and has the same function as the first breaking shear 1091; then sequentially passes through a seventh water tank 1102 and an eighth water tank 1103 for cooling and heat treatment; then the water is conveyed to a ninth water tank 1106 by a ninth pinch roll 1104 and a tenth pinch roll 1105 for further cooling and heat treatment, then enters an eleventh pinch roll 1108 by another horizontal loop 1107, is conveyed to a fourth flying shear 1109 for cutting off the end, and then enters a fourth breaking shear 11010, and the action is the same as that of the first breaking shear 1091; then the rolled piece passes through another vertical loop 11011, enters a second finishing mill 11012 for second finishing rolling, enters another module mill 11013 for final rolling, is rolled to the required size, then enters a tenth water tank 11014 for cooling and heat treatment, is conveyed to an eleventh water tank 11016 by a twelfth pinch roll 11015 for re-cooling and heat treatment, is conveyed to another swing conduit device 11019 by a thirteenth pinch roll 11017 and a fourteenth pinch roll 11018 for path adjustment, is cut into sections by a second double-length shear 11020 to be matched with a cooling bed 112, is conveyed to a multi-line conveying conduit 11022 by another double-line pinch roll 11021, and is conveyed to a steel device 111 on a double rotary hub by a plurality of fifteenth pinch rolls 11023.

The vertical loop 1097 or the horizontal loop 1103 is arranged to absorb or release the length change of a rolled piece caused by the speed fluctuation of the rolling mill, the wear of a roll pass and the temperature fluctuation of the rolled piece, so as to generate steel drawing or steel piling and realize tension-free rolling.

Each breaking shear has the function that in the production process, when downstream equipment has operation faults or rolling faults, the rolled piece is sheared through the breaking shear, and the residual rolled piece on the upstream is sheared into a section, so that the influence on the production line is reduced, the recovery is convenient, and the operation does not work if the rolled piece has no problems.

Each of the swing conduit devices is operative to swing the product into a predetermined path.

The function of each double-length shear is to cut the bar into preset lengths and adapt to the cooling bed.

Cold sizers 115 and sizers 116 cut the bar to the final desired length.

The billet is rolled to meet the required shape and dimension specification step by each rolling mill.

The water tanks and the conduits behind the water tanks are used for cooling the rolled piece, controlling the temperature, controlling the metallographic structure of the rolled piece and carrying out online heat treatment on the rolled piece.

The use method comprises the following steps:

the special equipment introduces the hot steel billet meeting the rolling condition into a roughing mill group;

the rough rolling mill set 101 rolls the steel billet small, and as the end part of the rolling process is easy to crack and branch with irregular shapes to influence the negative factors of the rolling mill bite, the end part is cut off by the first cutting flying shear 102 after rough rolling;

then the rolled piece enters a middle rolling mill unit 103 for rolling, and the rolled piece is further rolled for a short time; then enters the first water tank 104 for cooling, and plays roles of water cooling quenching and core heat tempering, so as to control the temperature of the rolled piece in a required gold phase area;

then, the rolled piece passes through a first pinch roll 105 and is conveyed by the first pinch roll 105, and the conveying speed of the rolled piece is controlled; cutting off the end head after the middle rolling by a second head cutting flying shear 106;

then, the rolled piece enters a splitting and finishing mill unit 107 for finish rolling, the rolled piece is further reduced, the rolled piece can be selectively split or not split according to the process requirements of actual products, the rolled piece can be directly finished and then conveyed to the downstream after finish rolling without splitting, splitting is selected, finish rolling is performed, the rolled piece is divided into two pieces along the longitudinal direction, the bar is further reduced, two bars are produced simultaneously, and the production efficiency is improved;

then cutting off the end head part by a third head cutting flying shear 108;

then passing through a first specification bar production unit 109 or a second specification bar production unit 110; if the bars are not cut in the cutting finishing mill unit 107, selecting a corresponding production unit according to the design specification of the bars; if the two rolled pieces are cut, the two cut rolled pieces correspondingly enter two bar production units for rolling respectively;

then, the rolled piece enters a double-hub steel feeding device 111 to convey the well-segmented bars to fall into a cooling bed 112 below for cooling;

the cooled bar is conveyed to a first roller way 114 by a conveying device 113, conveyed to a cold sizing shear 115 and a sizing machine 116 through the first roller way 114, and cut into the final required lengths;

and then enters a second roller way 117 for conveying, and the conveying is divided into two paths: one path of finished products are conveyed to a finished product conveying/counting/checking/device 118 for quality inspection, qualified finished products are conveyed to a bar packaging machine 120 for packaging through a third roller way 119, and then conveyed to a finished product bundle weighing device 121 for weighing; and the other path of the cold cut-to-length shears 115 cuts the last residual end, namely the tailing, and the tail is conveyed to a non-cut-to-length finished product collecting table 122 for collection, so that the tail is convenient to recycle.

Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.

Claims

1. A bar production line is characterized in that: comprises the following components arranged in sequence along the process sequence: the rough rolling unit, the first crop flying shear, the middle rolling unit, the first water tank, the first pinch roll, the second crop flying shear, the segmentation finishing rolling unit, the third crop flying shear and the back are divided into two paths: first way is through first specification rod production unit, and second way is through second specification rod production unit, then two the tunnel is through two hub steel feeding device, cold bed, transmission device, first roll table, cold scale scissors, scale machine, second roll table, the back divides two tunnel: one path is connected with a finished product transportation/counting/checking/device, a third roller way, a bar packaging machine and a finished product bundle weighing device; the other path is connected with a non-fixed-length finished product collecting table.

2. A rod production line as claimed in claim 1, characterized in that: the first specification bar production unit comprises the following components in sequence: the device comprises a first breaking shear, a second water tank, a third water tank, a second pinch roll, a third pinch roll, a fourth water tank, a horizontal loop, a fourth pinch roll, a second breaking shear, a vertical loop, a modular rolling mill set, a fifth water tank, a fifth pinch roll, a sixth water tank, a sixth pinch roll, a seventh pinch roll, a swing pipe device, a first double-length shear, a double-line pinch roll, a multi-line conveying pipe and a plurality of eighth pinch rolls.

3. A rod production line as claimed in claim 1, characterized in that: the second specification bar production unit comprises the following components in sequence: the device comprises a third breaking shear, a seventh water tank, an eighth water tank, a ninth pinch roll, a tenth pinch roll, a ninth water tank, another horizontal loop, an eleventh pinch roll, a fourth flying shear, a fourth breaking shear, another vertical loop, a second finishing mill group, another modular mill group, a tenth water tank, a twelfth pinch roll, an eleventh water tank, a thirteenth pinch roll, a fourteenth pinch roll, another swing pipe device, a second double-length shear, another double-line pinch roll, a multi-line conveying pipe and a plurality of fifteenth pinch rolls.