CN111744955A - Continuous rolling production line for special-shaped wire rods - Google Patents
Continuous rolling production line for special-shaped wire rods Download PDFInfo
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- CN111744955A CN111744955A CN201910254993.8A CN201910254993A CN111744955A CN 111744955 A CN111744955 A CN 111744955A CN 201910254993 A CN201910254993 A CN 201910254993A CN 111744955 A CN111744955 A CN 111744955A
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- rolling
- roller
- seat
- rolling mill
- wire rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
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- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention provides a continuous rolling production line for special-shaped wires, and relates to the technical field of wire forming precision rolling equipment. The invention comprises a feeding device, a sensor detection device, a rolling unit and a material receiving device, wherein the feeding device is used for supplying raw materials of the special-shaped wire rod and supplying the raw materials of the special-shaped wire rod to a rolling mill, the rolling unit consists of a plurality of single rolling mills, the number of the single rolling mills constituting the rolling mill group is different according to the different section sizes of the rolled wire rods, after the wire rods provided by the feeding device are rolled by the first rolling mill, the shape and the size of the wire rod are changed, the wire rod enters a second rolling mill for rolling, the shape and the size of the wire rod are changed again, the wire rod rolled by the previous rolling mill enters the next rolling mill for rolling, the shape and the size of the cross section of the wire rod rolled by each rolling mill are changed to a certain extent, and the wire rod rolled by the last rolling mill meets the preset size requirement.
Description
Technical Field
The invention relates to the technical field of wire rod forming precision rolling equipment, in particular to a special-shaped wire rod continuous rolling production line.
Background
The rolling of special-shaped wires is applied to the field of wire forming, and the prior art equipment and the production means in the field have the following two types:
1. the pulling and rolling equipment consists of a feeding device, a single rolling mill and a material receiving machine.
The rolling mill of the device has no power driving device, and the material receiving machine has power driving. After being rolled by a rolling mill, the wire rod sent out by the feeding device is wound on a roller of the material receiving machine under the driving of the power of the material receiving machine. The change of the sectional shape and the size of the wire rod is the power of the material receiving machine, and the change of the sectional shape and the size of the wire rod is a gradual process and cannot be pulled and rolled in place at one time, so the molding of the special-shaped wire rod needs to be carried out by the repeated process from rough rolling to finish rolling and from feeding to receiving. The production efficiency is low, and the product precision is difficult to control.
2. The active rolling equipment consists of a feeding device, a single rolling mill and a material receiving machine.
The rolling mill and the material receiving machine of the equipment are both provided with power driving devices. The wire rod sent out by the feeding device is rolled by a rolling mill and then wound on a roller of a material receiving machine. The change of the sectional shape and size of the wire rod causes the power of the rolling mill. However, since the change of the sectional shape and size of the wire rod is a gradual process and cannot be rolled in place at one time, the forming of the special-shaped wire rod also needs to be repeated from rough rolling to finish rolling, and from feeding to receiving, and the production efficiency is low.
Disclosure of Invention
Aiming at the defects in the problems, the invention provides the special-shaped wire rod continuous rolling production line, so that the special-shaped wire rod rolling production efficiency and the special-shaped wire rod rolling precision are improved.
In order to solve the problems, the invention provides a special-shaped wire rod continuous rolling production line which comprises a feeding device for supplying special-shaped wire rod raw materials, a rolling mill group for gradually rolling according to the section size of a rolled wire rod, a receiving device for collecting the rolled wire rod, and a sensor detection device for controlling the tension and the linear speed of the wire rod in the rolling process. The rolling mill set comprises a plurality of single rolling mills, each single rolling mill comprises a rolling mill seat plate, a motor structure arranged on the rolling mill seat plate, a lower roller seat arranged at the upper end of the rolling mill seat plate and an upper roller seat arranged at the upper end of the lower roller seat, an upper roller is arranged in the upper roller seat, a lower roller and a large belt wheel arranged on the lower roller are arranged in the lower roller seat, the motor structure comprises a motor support, a servo motor arranged on the motor support and a small belt wheel arranged at the output end of the servo motor, the small belt wheel and the large belt wheel synchronously rotate through a synchronous belt, a large belt wheel seat is arranged outside the large belt wheel, the large belt wheel is connected with the large belt wheel seat through a rolling bearing, an upper bracket is arranged in the upper roller seat, and the upper roller is connected with the upper bracket and the upper roller seat through the rolling bearing, and a lower bracket is arranged in the lower roller seat, and the lower roller is connected with the lower bracket and the lower roller seat through a rolling bearing.
Preferably, the rolling mill group is provided with a sensor detection device, the sensor detection device comprises a plurality of single sensor detection devices, and the single sensor detection devices and the single rolling mills are arranged in a one-to-one correspondence manner.
Preferably, the single sensor detection device comprises a bottom plate, a vertical plate arranged on the bottom plate and an upper baffle arranged at the top end of the vertical plate, wherein a linear slide rail and a rack are arranged on the vertical plate, a support bottom plate is arranged on the linear slide rail, a support vertical plate is arranged on the support bottom plate, the support vertical plate is connected with the sensor, an output shaft of the sensor is connected with a gear, and the gear is meshed with the rack. The support bottom plate is provided with a pulley shaft, and the pulley shaft is provided with a pulley.
Preferably, the rolling mill set is provided with a wire rod positioning structure, the wire rod positioning structure comprises a plurality of single wire rod positioning devices, and the single wire rod positioning devices and the single rolling mills are arranged in a one-to-one correspondence manner.
Preferably, the wire positioning device comprises a support bottom plate, a support vertical plate arranged at the upper end of the support bottom plate, a support transverse plate arranged at the upper end of the support vertical plate, a vertical plate arranged at the upper end of the support transverse plate, and a support top plate arranged at the upper end of the vertical plate, wherein a fixing seat and a guide rail block which are fixedly connected with the vertical plate are arranged on the vertical plate, and a sliding seat connected with the guide rail block is arranged on the vertical plate, the support top plate is connected with a limiting screw, a roller shaft II is arranged on the sliding seat, a roller shaft I is arranged on the fixing seat, the roller shaft I and the roller shaft II are arranged in parallel, and positioning rollers are arranged on the roller shaft I and the roller.
Preferably, the feeding device comprises a feeding frame, a feeding tray arranged at the upper end of the feeding frame and a surrounding rod arranged on the feeding tray, wherein the surrounding rod is composed of a plurality of pieces and is circumferentially arranged on the feeding tray.
Preferably, the material receiving device comprises a transmission case, a driving motor arranged on one side of the transmission case, a main shaft arranged in the transmission case, a material receiving barrel arranged on the main shaft, a reciprocating mechanism arranged on the transmission case, and a positioning device arranged on the reciprocating mechanism.
Compared with the prior art, the invention has the following advantages:
the invention improves the production efficiency of rolling the special-shaped wire rod and the rolling precision of the special-shaped wire rod.
Drawings
FIG. 1 is a schematic view of a continuous rolling line for shaped wire rods according to an embodiment of the present invention;
FIG. 2 is a top view of a shaped wire continuous rolling line according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sensor detection device according to an embodiment of the present invention;
FIG. 4 is a further schematic view of a sensor detection device according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a sensor detection device A-A according to an embodiment of the present invention;
FIG. 6 is a schematic view of a rolling mill embodying the present invention;
FIG. 7 is a side view of a rolling mill according to an embodiment of the present invention;
FIG. 8 is a top plan view of an embodiment of the rolling mill of the present invention;
FIG. 9 is a schematic view of a wire positioning device according to an embodiment of the present invention;
FIG. 10 is a further schematic view of a wire positioning device according to an embodiment of the present invention;
FIG. 11 is a further schematic view of a wire positioning device according to an embodiment of the present invention;
FIG. 12 is a schematic view of a feeding device according to an embodiment of the present invention;
FIG. 13 is a schematic view of a material receiving device according to an embodiment of the invention;
FIG. 14 is a schematic structural view of a receiving device A-A according to an embodiment of the present invention;
FIG. 15 is a schematic structural view of a material receiving device B-B according to an embodiment of the present invention;
FIG. 16 is a schematic structural view of a material receiving device C-C according to an embodiment of the invention.
Description of the main element symbols:
11-feeding device 12-rolling mill group 13-material receiving device 14-sensor detection device 15-wire positioning device 21-rack 22-gear 23-support vertical plate 24-sensor 25-linear slide rail 26-support bottom plate 27-pulley shaft 28-pulley 29-spacer 210-upper baffle 211-vertical plate 212-bottom plate 31-rolling mill seat plate 32-lower rolling roller seat 33-adjusting gasket 34-upper rolling roller seat 35-pressing bolt 36-servo motor 37-support 38-support bottom plate 39-gasket 310-rolling bearing 311-large belt pulley seat 312-large belt pulley 313-lower rolling roller 314-rolling bearing 315-steel ball 316-spiral rod 317-upper and lower brackets 318-spiral rod The device comprises a base 319, a gasket 320, an upper roller 321, a sealing ring 322, a synchronous belt 323, a hole retainer ring 324, a shaft retainer ring 325, a positioning pin 326, a shaft end retainer ring 327, a small belt wheel 328, a motor support 41, a support bottom plate 42, a support vertical plate 43, a support transverse plate 44, a positioning roller 45, a roller shaft I46, a roller shaft II 47, a gasket 48, a sliding seat 49, a support top plate 410, a vertical plate 411, a fixing plate 412, a limiting screw 413, a guide rail block 51, a feeding frame 52, a surrounding rod 53, a feeding disc 61, a driving motor 62, a transmission case 63, a material receiving case 64, a main shaft 65, a positioning device 66 and a reciprocating mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings and examples, which are not intended to limit the present invention.
As shown in fig. 1 to 16, the embodiment of the present invention includes a feeding device 11 for supplying a raw material of a wire rod having a special shape, a rolling mill group 12 for performing a stepwise rolling according to a sectional size of the rolled wire rod, a receiving device 13 for collecting the rolled wire rod, and a sensor detecting device 14 for controlling a tension and a linear velocity of the wire rod during the rolling process. The rolling mill group 12 is composed of a plurality of single rolling mills, each single rolling mill comprises a rolling mill seat plate 31, a motor structure arranged on the rolling mill seat plate 31, a lower roller seat 32 arranged at the upper end of the rolling mill seat plate 21 and an upper roller seat 34 arranged at the upper end of the lower roller seat 32, an upper roller 320 is arranged in the upper roller seat 34, a lower roller 313 and a large belt wheel 312 arranged on the lower roller 313 are arranged in the lower roller seat 32, the motor structure comprises a motor bracket 328, a servo motor 36 arranged on the motor bracket 328 and a small belt wheel 327 arranged at the output end of the servo motor 36, the small belt wheel and the large belt wheel 312 synchronously rotate through a synchronous belt 322, a large belt wheel seat 311 is arranged at the outer side of the large belt wheel 312, the large belt wheel 312 is connected with the large belt wheel seat 311 through a rolling bearing 310, an upper bracket is arranged in the upper roller seat 34, the upper roll 320 is connected with the upper bracket and the upper roll base through a rolling bearing, a lower bracket is arranged in the lower roll base 32, and the lower roll 313 is connected with the lower bracket and the lower roll base 32 through a rolling bearing.
The rolling mill group 12 is provided with a sensor detection device 14, the sensor detection device 14 comprises a plurality of single sensor detection devices, and the single sensor detection devices and the single rolling mills are arranged in a one-to-one correspondence manner.
The single sensor detection device comprises a bottom plate 212, a vertical plate 211 arranged on the bottom plate 212 and an upper baffle 210 arranged at the top end of the vertical plate 211, wherein a linear slide rail 25 and a rack 21 are arranged on the vertical plate 211, a support bottom plate 26 is arranged on the linear slide rail 25, a support vertical plate 23 is arranged on the support bottom plate 26, the support vertical plate 23 is connected with a sensor 24, an output shaft of the sensor 24 is connected with a gear 22, and the gear 22 is meshed with the rack 21. A pulley shaft 27 is arranged on the support bottom plate 26, and a pulley 28 is arranged on the pulley shaft 27.
The wire rod positioning structure 15 is arranged on the rolling mill group 12, the wire rod positioning structure 15 comprises a plurality of single wire rod positioning devices, and the single wire rod positioning devices and the single rolling mills are arranged in a one-to-one correspondence mode.
The wire positioning device comprises a support bottom plate 41, a support vertical plate 42 arranged at the upper end of the support bottom plate 41, a support transverse plate 43 arranged at the upper end of the support vertical plate 42, a vertical plate 410 arranged at the upper end of the support transverse plate 43 and a support top plate 49 arranged at the upper end of the vertical plate 410, wherein a fixing seat 411 and a guide rail block 413 which are fixedly connected with the vertical plate 410 are arranged on the vertical plate 410, a sliding seat 48 connected with the guide rail block 413 is arranged on the vertical plate 410, the support top plate 49 is connected with a limiting screw 412, a roller shaft II 46 is arranged on the sliding seat 48, a roller shaft I45 is arranged on the fixing seat 411, the roller shaft I45 and the roller shaft II 46 are arranged in parallel, and positioning rollers 44 are arranged on the roller shaft I45 and the roller shaft.
The feeding device 11 comprises a feeding rack 51, a feeding tray 53 arranged at the upper end of the feeding rack 51 and a surrounding rod 52 arranged on the feeding tray 53, wherein the surrounding rod 52 is composed of a plurality of pieces and is circumferentially arranged on the feeding tray 53.
The material receiving device 13 comprises a transmission case 62, a driving motor 61 arranged on one side of the transmission case 62, a main shaft 64 arranged in the transmission case 62, a material receiving barrel 63 arranged on the main shaft 64, a reciprocating mechanism 66 arranged on the transmission case 62, and a positioning device 65 arranged on the reciprocating mechanism 66.
In this embodiment, the feeding device 11 is used for supplying raw material of the special-shaped wire rod and supplying the raw material of the special-shaped wire rod to the rolling mill for production. The rolling mill train 12 is composed of a plurality of single rolling mills, and the number of the single rolling mills constituting the rolling mill train 12 is different according to the difference in the sectional size of the rolled wire rod. After the wire rod provided by the feeding device 11 is rolled by the first rolling mill, the shape and the size of the wire rod are changed, then the wire rod enters the second rolling mill to be rolled, and the shape and the size of the wire rod are changed again, so that the wire rod rolled by the previous rolling mill enters the next rolling mill to be rolled, the shape and the size of the cross section of the wire rod rolled by each rolling mill are changed to a certain extent, and thus, the wire rod rolled by the last rolling mill meets the preset size requirement. Since the rolling equipment itself has unavoidable manufacturing errors and since the length of the wire rod is simultaneously changed along with the change of the section of the wire rod during the continuous rolling process, the sensor detection device 14 has the function of keeping the tension of the wire rod uniform and the linear velocity constant during the rolling process. Finally, the rolled wire rod is wound around the material receiving barrel 63 of the material receiving device 13.
In the continuous rolling process, since the length of the wire rod is changed, the sag of the wire rod between rolling mills is changed at the same time in the height fluctuation. The pulley 28 of the sensor detection device 14 is located above the wire, and along with the fluctuation of the height of the wire, under the action of gravity, the pulley 28 drives the bracket through the pulley shaft 27, so as to drive the sensor 24 connected with the bracket to move up and down along the linear slide rail 25, and in the process of moving up and down, due to the meshing of the gear 22 and the rack 21, the rotating gear 22 enables the sensor 24 to rotate simultaneously, so that the sensor 24 plays a role of controlling a servo motor on the rolling mill.
In the rolling mill, the rolling mill base plate 31 is used for supporting parts and components, and grooves are formed in the parts and components, and the grooves are used for containing and discharging cooling liquid required in the process of rolling wires. The support 37, the support bottom plate 38, the large pulley seat 311, the rolling bearing, the hole retainer 323, the shaft retainer 424, the large pulley 312, the small pulley 327, the synchronous belt 322, the motor support 328 and the servo motor 36 constitute a power transmission device of the rolling mill. Grooves corresponding to the special-shaped wire rods are respectively machined on the surfaces of upper and lower rollers of a rolling mill, the shape and the size of the grooves are one of important factors determining the shape and the precision of the rolled wire rods, the center distance between the upper roller and the lower roller is determined by the thickness of an adjusting gasket 33 between upper and lower roller seats, and after the thickness of the gasket is adjusted, the upper and lower roller seats are connected and fastened by a compression bolt 35. The screw rod 316, the screw seat 318 and the steel ball 315 form an axial adjusting device of the roller, the adjusting screw rod 316 can change the axial position of the upper roller and the lower roller, and the steel ball 315 can greatly reduce the end face runout of the roller except for bearing the axial force and reducing the friction resistance, so as to ensure that the rolling mill has higher rolling precision. The upper and lower rollers are supported by rolling bearings, the servo motor 36 transmits the motion and power to the lower roller 313 through a synchronous belt 322 transmission device, and the special-shaped wire is rolled under the pressure action of the upper and lower rollers.
The wire positioning device 15 is used to determine the relative position of the rolled wire with respect to the rolling mill rolls. During the production process, the rolled wire rods between the positioning rollers 44 of the two wire rod positioning devices positioned at the front and the rear of the rolling mill and the rolling mill roller are ensured to be kept on a horizontal line. The support bottom plate 41, the support transverse plate 43, the support vertical plate 42 and the vertical plate 410 form a rack of the wire positioning device. One positioning roller 44 is fixedly connected with the frame through a first roller shaft 45 and a fixed seat 411, the other positioning roller 44 is connected with a guide rail block 413 through a second roller shaft 46, the guide rail block 413 can slide up and down in a sliding seat 48, grooves corresponding to the rolled wire rods are arranged on the upper positioning roller 44 and the lower positioning roller 44, and in the production process, a spacing screw 412 is adjusted to control the gaps between the grooves on the positioning rollers 44 and the rolled wire rods.
The feeding tray 53 of the feeding device 11 is used for placing raw materials of the shaped wire, and the surrounding rod 52 is used for preventing the raw materials of the wire from being intertwined.
The material receiving device 13 is used for rolling the rolled special-shaped wire rod together for use in the next production process. The driving motor 61 drives the main shaft 64 to rotate the material collecting barrel 63 and drives the reciprocating mechanism 66 to reciprocate through the transmission case 62. The rolled special-shaped wire rod is wound on the material receiving barrel 63 through the positioning device 65, and under the action of the rotating motion of the material receiving barrel 63 and the reciprocating motion of the reciprocating mechanism 66, the rolled special-shaped wire rod is uniformly wound on the material receiving barrel 63.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A continuous rolling production line of special-shaped wires is characterized by comprising a feeding device for providing raw material supply of the special-shaped wires, a rolling unit for gradually rolling according to the section size of the rolled wires, a receiving device for collecting the rolled wires and a sensor detection device for controlling the tension and the linear speed of the wires in the rolling process, wherein the rolling unit consists of a plurality of single rolling mills, each single rolling mill comprises a rolling mill seat plate, a motor structure arranged on the rolling mill seat plate, a lower rolling roller seat arranged at the upper end of the rolling mill seat plate and an upper rolling roller seat arranged at the upper end of the lower rolling roller seat, an upper roller is arranged in the upper rolling roller seat, a lower roller and a large belt pulley arranged on the lower roller are arranged in the lower rolling roller seat, the motor structure comprises a motor support, a servo motor arranged on the motor support and a small belt pulley arranged at the output end of the servo motor, the small belt wheel and the large belt wheel synchronously rotate through a synchronous belt, a large belt wheel seat is arranged on the outer side of the large belt wheel, the large belt wheel is connected with the large belt wheel seat through a rolling bearing, an upper bracket is arranged in the upper roller seat, an upper roller is connected with the upper bracket and the upper roller seat through the rolling bearing, a lower bracket is arranged in the lower roller seat, and the lower roller is connected with the lower bracket and the lower roller seat through the rolling bearing.
2. The continuous rolling line of special-shaped wire rods as claimed in claim 1, wherein the rolling mill group is provided with a sensor detection device, the sensor detection device comprises a plurality of single sensor detection devices, and the single sensor detection devices are arranged in one-to-one correspondence with the single rolling mills.
3. The continuous rolling line for the special-shaped wire rod as claimed in claim 2, wherein the single sensor detection device comprises a bottom plate, a vertical plate arranged on the bottom plate and an upper baffle plate arranged at the top end of the vertical plate, a linear slide rail and a rack are arranged on the vertical plate, a support bottom plate is arranged on the linear slide rail, a support vertical plate is arranged on the support bottom plate, the support vertical plate is connected with a sensor, an output shaft of the sensor is connected with a gear, and the gear is meshed with the rack. The support bottom plate is provided with a pulley shaft, and the pulley shaft is provided with a pulley.
4. The continuous rolling line for shaped wires as claimed in claim 3, wherein the rolling mill set is provided with a wire positioning structure, the wire positioning structure comprises a plurality of single wire positioning devices, and the single wire positioning devices and the single rolling mills are arranged in one-to-one correspondence.
5. The continuous rolling line for shaped wire as claimed in claim 4, wherein the wire positioning device comprises a support bottom plate, a support vertical plate disposed on the upper end of the support bottom plate, a support horizontal plate disposed on the upper end of the support vertical plate, a vertical plate disposed on the upper end of the support horizontal plate, and a support top plate disposed on the upper end of the vertical plate, the vertical plate is provided with a fixing seat and a guide rail block fixedly connected with the vertical plate, a sliding seat connected with the guide rail block, the support top plate is connected with a limit screw, the sliding seat is provided with a roller shaft II, the fixing seat is provided with a roller shaft I, the roller shaft I and the roller shaft II are arranged in parallel, and the roller shaft I and the roller shaft II are both provided with positioning rollers.
6. The continuous rolling line for shaped wires as claimed in claim 5, wherein the feeding device comprises a feeding frame, a feeding tray disposed at the upper end of the feeding frame, and a surrounding rod disposed on the feeding tray, the surrounding rod being composed of a plurality of pieces and being circumferentially disposed on the feeding tray.
7. The continuous rolling line of the special-shaped wire rod as claimed in claim 6, wherein the material receiving device comprises a transmission case, a driving motor arranged on one side of the transmission case, a main shaft arranged in the transmission case, a material receiving barrel arranged on the main shaft, a reciprocating mechanism arranged on the transmission case, and a positioning device arranged on the reciprocating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254993.8A CN111744955A (en) | 2019-03-29 | 2019-03-29 | Continuous rolling production line for special-shaped wire rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254993.8A CN111744955A (en) | 2019-03-29 | 2019-03-29 | Continuous rolling production line for special-shaped wire rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111744955A true CN111744955A (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910254993.8A Pending CN111744955A (en) | 2019-03-29 | 2019-03-29 | Continuous rolling production line for special-shaped wire rods |
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| Country | Link |
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| CN (1) | CN111744955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496057A (en) * | 2020-11-10 | 2021-03-16 | 湖南吉人住工装配式建筑有限公司 | Tubular screw rolling mill with self-lubricating structure |
| CN112536325A (en) * | 2020-12-07 | 2021-03-23 | 陕西龙门钢铁有限责任公司 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
-
2019
- 2019-03-29 CN CN201910254993.8A patent/CN111744955A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496057A (en) * | 2020-11-10 | 2021-03-16 | 湖南吉人住工装配式建筑有限公司 | Tubular screw rolling mill with self-lubricating structure |
| CN112536325A (en) * | 2020-12-07 | 2021-03-23 | 陕西龙门钢铁有限责任公司 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
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