CN211218101U

CN211218101U - Steel plate coil feeding device in welded pipe production

Info

Publication number: CN211218101U
Application number: CN201921669222.7U
Authority: CN
Inventors: 赵旭; 高明圳
Original assignee: Mcc Liaoning Dragon Pipe Industries Co ltd
Current assignee: Mcc Liaoning Dragon Pipe Industries Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-08-11
Anticipated expiration: 2029-10-08

Abstract

The utility model belongs to the technical field of the hot rolled plate processing, concretely relates to feedway is rolled up to steel sheet in welded tube production, its characterized in that: the uncoiler comprises a plurality of steel plate coil buffer brackets and a coil conveying trolley, wherein the plurality of steel plate coil buffer brackets are sequentially arranged far away along the feeding direction of the uncoiler, the steel plate coil buffer brackets are of a bilateral symmetry split structure and comprise a base, a bracket seat and a straightening hydraulic cylinder, and the bracket seat is provided with a V-shaped upper surface; a pit is arranged between the left split body and the right split body of the steel plate coil buffering bracket, a track is arranged in the pit, the coil transporting trolley moves along the track, the coil transporting trolley comprises a trolley body, a hydraulic motor and a lifting hydraulic cylinder, a roller frame is arranged at the piston end of the lifting hydraulic cylinder, and a guide rod is further arranged between the roller frame and the trolley body. Compared with the prior art, the utility model has the advantages of: 1) the feeding speed can be adjusted according to the speed of the production line. 2) Full hydraulic drive, operational reliability is high. 3) The application range is wide, and the device is suitable for production lines of other plate products.

Description

Steel plate coil feeding device in welded pipe production

Technical Field

The invention belongs to the technical field of hot rolled plate processing, and particularly relates to a steel plate coil feeding device in welded pipe production.

Background

The high-frequency welded pipe features high welding speed, small welding heat affected zone, no cleaning of welded workpiece, and welding thin-wall pipe and various metal pipes. The production process mainly depends on product varieties, a series of procedures are needed from raw materials to finished products, corresponding various mechanical equipment and welding, electrical control and detection devices are needed for completing the processes, the equipment and the devices are reasonably arranged according to different process flow requirements, and the typical flow of the high-frequency welded pipe comprises longitudinal shearing, uncoiling, strip steel straightening, head and tail shearing, strip steel butt welding, loop storage, forming, welding, deburring, sizing, flaw detection, fly cutting, primary detection, steel pipe processing, hydraulic pressure test, flaw detection, printing and coating, and a finished product is obtained.

The uncoiler is special equipment used for leveling various uneven plates before leveling metal plates, and can form an uncoiling, leveling and shearing production line and other plate product production lines according to related configuration. The uncoiler is one of essential important devices in a welded pipe production line, and has the function of supporting a steel coil through an inner hole of the tensioned steel coil; the other is to send the head of the steel strip into a leveler by rotating under the coordination of a straight head machine.

Because the high frequency welded pipe production line requires continuous production, so require the decoiler also to open a book in succession, but the steel sheet book is individual independent, so require to guarantee the continuity for the decoiler feed, correspond different welded pipe specifications, the supply rate of steel sheet is also different, the rhythm that can not satisfy production has been given the decoiler feed by manual operation crane.

Chinese utility model patent application No. 201120060949.2 discloses an interchangeable position both arms initiative decoiler for open a book the metal strip of drum form, it includes base, rotation axis, unwinding mechanism. The rotary shaft is positioned on the base, vertically upwards and driven to rotate by the rotary motor, the two uncoiling mechanisms are connected to the rotary shaft and distributed on the rotary shaft at intervals of 180 degrees, the rotary shaft and the two uncoiling mechanisms are integrally in a T shape or a cross shape, each uncoiling mechanism comprises a reel for placing a strip material coil and an uncoiling motor for driving the reel to rotate, and the reel is a tensioning mechanism. The provision of two decoiling units allows the coil of strip material to be installed leisurely in one decoiling unit when the other is feeding, without additional time being consumed and without production interruptions.

The two uncoiler schemes recorded in the prior literature have the defects of high investment cost and low equipment utilization rate.

Disclosure of Invention

The invention aims to provide a steel plate coil feeding device in welded pipe production, which overcomes the defects of the prior art, is provided with a plurality of steel plate coil buffering stations, is beneficial to adjusting the feeding speed of an uncoiler according to the speed of a welded pipe production line and realizing continuous feeding of the uncoiler, so that the uncoiler can be suitable for production of various welded pipe specifications, is fully hydraulically driven, has high working reliability, and the buffering stations can be expanded and arranged according to actual conditions.

In order to realize the purpose, the invention is realized by the following technical scheme:

the utility model provides a steel sheet in welded tube production rolls up feedway which characterized in that: the steel plate coil buffer bracket is of a bilateral symmetry split structure and comprises a base, a bracket seat and a centering hydraulic cylinder, wherein the bracket seat is provided with a V-shaped upper surface, and the centering hydraulic cylinder is arranged on the base and positioned outside the bracket seat; the steel plate coil buffer bracket is characterized in that a pit is arranged between left and right split bodies of the steel plate coil buffer bracket, a track is arranged in the pit, the coil transporting trolley moves along the track, the coil transporting trolley comprises a trolley body, a hydraulic motor and a lifting hydraulic cylinder, a roller frame is arranged at the piston end of the lifting hydraulic cylinder, and four guide rods are further arranged between the roller frame and the trolley body.

The trolley is characterized in that a driving shaft, a driven shaft, a guide wheel and a driven wheel are arranged on the trolley body, the driving shaft and the driven shaft are arranged at the bottom of the trolley body in parallel, the guide wheel is arranged at one end of the same side of the driving shaft and the driven shaft respectively, the driven wheel is arranged at the other end of the same side of the driving shaft and the driven shaft respectively, the driving shaft and the driven shaft are connected with a trolley frame through a bearing seat, a groove matched with a track is formed in the rim.

The track is made for 38 kilograms track steel, and the track bottom is sat on the built-in fitting in the pit and is connected through the track clamp plate.

The guide rod is sleeved with a guide rod shield, at least two groups of integral ZHALD63-3-3 copper alloy shaft sleeves are arranged between the guide rod and the guide rod shield, and the effective distance of the guide rod is 0.8-1.6 m.

On the motor support of automobile body afterbody was located to hydraulic motor, hydraulic motor's play axle connection sprocket one, drive axle head connection sprocket two, be connected through the chain between sprocket one and the sprocket two, sprocket one is 17 with the tooth ratio of sprocket two: 25.

the chain is an A-series short-pitch precision roller chain 24A-1-66.

The lifting hydraulic cylinder is arranged perpendicular to the vehicle body and is connected with the vehicle body through a cylinder seat.

The afterbody of automobile body is equipped with hydraulic line and inserts the frame, and the tip that hydraulic line inserted the frame is connected with the one end of rubber hydraulic pressure pipe, and the other end of rubber hydraulic pressure pipe is connected with the hydraulic pressure station through flexible pipe support and the fixed tube socket that sets up.

The roller frame is internally provided with a carrier roller, carrier roller shafts, a chassis and side box plates, the chassis and the side box plates form a box-shaped structure, the two carrier roller shafts are connected with the side box plates through tile seats, the carrier rollers are arranged on the carrier roller shafts, and the two carrier rollers are arranged in parallel and at the same height.

The guide rod is provided with a rack along the length direction, the rack is meshed with a worm, two ends of the worm are connected with the sensor seat through bearings, and one end of the worm is connected with a laser displacement sensor and/or a rotary encoder.

Compared with the prior art, the invention has the beneficial effects that: 1) because a plurality of steel plate coil buffer stations are arranged, the feeding speed of the uncoiler can be adjusted according to the speed of the welded pipe production line, the continuous feeding of the uncoiler is realized, and the uncoiler can be suitable for the continuous production of various welded pipe specifications. 2) The full hydraulic drive, the operational reliability is high, can be suitable for the steel sheet of the thickness up to 12mm to carry at most. 3) The application scope is extensive, and the buffering station can expand the setting according to actual conditions, makes it be applicable to other and opens a book, levels, cuts production line or in the panel goods production line.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a steel sheet roll feeding apparatus according to the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of an embodiment of the coil conveying trolley.

Fig. 4 is a side view in the direction of a in fig. 3.

Fig. 5 is a bottom view of fig. 3.

Fig. 6 is a partially enlarged view of fig. 5 at B.

In the figure: 1-steel plate coil buffer bracket, 101-base, 102-bracket seat, 103-straightening hydraulic cylinder, 2-coil conveying trolley, 21-vehicle body, 211-driving shaft, 212-driven shaft, 213-guide wheel, 2131-groove, 214-driven wheel, 215-bearing seat, 22-hydraulic motor, 221-motor bracket, 222-chain wheel I, 223-chain wheel II, 224-chain, 225-baffle frame, 226-adjusting bolt, 23-lifting hydraulic cylinder, 231-cylinder seat, 24-roller frame, 241-roller, 242-roller shaft, 243-chassis, 244-side box plate, 245-tile seat, 25-guide rod, 251-guide rod shield, 252-copper alloy integral shaft sleeve, 3-uncoiler, 4-steel plate coil, 5-a pit, 51-an embedded part, 52-a track pressing plate, 6-a track, 7-a hydraulic pipeline access frame, 8-a rubber hydraulic pipe, 9-a flexible pipe frame, 10-a pipe seat, 11-a worm, 12-a bearing, 13-a sensor seat, 14-a laser displacement sensor and 15-a rotary encoder.

Detailed Description

The following examples are presented to further illustrate embodiments of the present invention:

in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The steel plate coil feeding device comprises three steel plate coil buffering brackets 1 and a coil conveying trolley 2, wherein the three steel plate coil buffering brackets 1 are sequentially arranged far away from the feeding direction of an uncoiler 3, the steel plate coil buffering brackets 1 are of a bilaterally symmetrical split structure and comprise a base 101, a bracket seat 102 and a straightening hydraulic cylinder 103, a V-shaped upper surface is arranged on the bracket seat 102 and just fits with the outline of the excircle of a circular steel plate coil, the straightening hydraulic cylinder 103 is arranged on the base 101 and is positioned at the outer side of the bracket seat 102, and when the steel plate coil 4 is placed on the bracket seat by a crane, the two symmetrical straightening hydraulic cylinders 103 are controlled, so that the steel plate coil 4 can be centered relative to the central line of the uncoiler, and the coil falling accident caused by eccentricity during subsequent transportation is avoided; a pit 5 is arranged between left and right split bodies of the steel plate coil buffer bracket, a track 6 is arranged in the pit, the coil conveying trolley 2 can move along the track 6, the coil conveying trolley 2 comprises a trolley body 21, a hydraulic motor 22 and a lifting hydraulic cylinder 23, a roller frame 24 is arranged at the piston end of the lifting hydraulic cylinder 23, the lifting hydraulic cylinder 23 is perpendicular to the trolley body 21, the lifting hydraulic cylinder 23 is connected with the trolley body 21 through a cylinder seat 231, four guide rods 25 are arranged between the roller frame 24 and the trolley body 21, the hydraulic motor 22 can drive the trolley body to move, the lifting hydraulic cylinder 23 is used for driving the roller frame 24 to lift, lifting of a steel plate coil 4 is achieved, the guide rods 25 play a role in guiding the roller frame, and meanwhile the overall structural strength of the device.

The afterbody of automobile body 21 is equipped with hydraulic line access frame 7, and the tip that hydraulic line access frame 7 is connected with the one end of rubber hydraulic pressure pipe 8, and the other end of rubber hydraulic pressure pipe 8 is connected with the hydraulic pressure station through flexible pipe support 9 with locate subaerial tube socket 10, and flexible pipe support 9 plays the effect of holding and protecting to rubber hydraulic pressure pipe 8.

The roller frame 24 is provided with carrier rollers 241, carrier roller shafts 242, a base plate 243 and a side box plate 244, the base plate 243 and the side box plate 244 form a firm box-shaped structure, the two carrier roller shafts 242 are connected with the side box plate 244 through a bearing seat 245, the carrier rollers 241 are arranged on the carrier roller shafts 242, the distance between the two carrier rollers 241 is 650mm, the diameter is 200mm, and the two carrier rollers 241 are parallel to each other and are arranged at the same height.

Referring to fig. 3-6, a driving shaft 211, a driven shaft 212, a guide wheel 213 and a driven wheel 214 are arranged on the vehicle body 21, the driving shaft 211 and the driven shaft 212 are arranged at the bottom of the vehicle body in parallel, the guide wheel 213 is arranged at one end of the driving shaft 211 and the driven shaft 212 at the same side, the driven wheel 214 is arranged at the other end of the driving shaft 211 and the driven shaft 212 at the same side, the driving shaft 211 and the driven shaft 212 are connected with the vehicle frame through a bearing seat 215, a ball bearing is arranged in the bearing seat 215, a groove 2131 matched with a rail is arranged on a rim of the guide wheel 213, the groove 2131 plays a role in guiding, the guide wheel 213 is prevented from falling off the rail, and.

The track 6 is made of 38 kilograms of track steel, the bottom of the track 6 is seated on an embedded part 51 in the pit and is connected through a track pressing plate 52, and in order to improve the connecting force, the track 6 and the embedded part 51 can be connected in an auxiliary mode through bolts.

The guide rod 25 is sleeved with a guide rod shield 251, at least two groups of integral ZHALD63-3-3 copper alloy shaft sleeves 252 are arranged between the guide rod 25 and the guide rod shield 251, and the guide rod shield 251 is connected to the vehicle body to provide protection for the guide rod 25, improve the guide precision and prevent dust and metal chips from entering a gap between the guide rod and the vehicle body to influence the smooth movement of the guide rod. The effective guide distance of the guide rod 25 is 1.585 meters, and the steel plate coil is normally coiled on the uncoiler.

The hydraulic motor 22 is arranged on a motor support 221 at the tail part of the vehicle body 21, the output shaft of the hydraulic motor 22 is connected with a first chain wheel 222, the end of the driving shaft 211 is connected with a second chain wheel 223, the first chain wheel 222 and the second chain wheel 223 are connected through a chain 224, and the gear ratio of the first chain wheel 222 to the second chain wheel 223 is 17: 25, the position of the hydraulic motor 22 on the motor bracket 221 is adjusted by an adjusting bolt 226 arranged on the blocking frame 225, so as to ensure the smooth running of the chain 224. The chain 224 is an A-series short pitch precision roller chain 24A-1-66 that provides sufficient transmission strength.

The guide rod 25 is provided with a rack along the length direction, the rack is meshed with the worm 11, two ends of the worm are connected with the sensor seat 13 through the bearing 12, one end of the worm 11 is connected with the laser displacement sensor 14 and the rotary encoder 15, and the laser displacement sensor 14 and the rotary encoder 15 are used for detecting the moving distance and speed of the guide rod 25 so as to improve the control precision.

The working principle of the invention is as follows: before the uncoiler works normally, the three steel plate coil buffer brackets 1 are respectively placed with the steel plate coils 4, and the steel plate coils are rightly righted left and right by the righting hydraulic cylinder 103. Firstly, the coil conveying trolley 2 moves to the position below one steel plate coil closest to the uncoiler, the roller frame 24 and the bottom of the steel plate coil are stably supported, the lifting hydraulic cylinder 23 is lifted by 80-150 mm, the steel plate coil 4 is separated from the roller frame 24, the hydraulic motor 22 drives the coil conveying trolley 2 to move to the coiling position on the uncoiler, the lifting hydraulic cylinder 23 is continuously lifted to the height of 1585mm of the center of the steel plate coil, the steel plate coil and a coil clamping arm of the uncoiler are coaxial, a coil clamping arm cylinder acts to clamp the steel plate coil, the lifting hydraulic cylinder 23 falls to the lower limit position, the hydraulic motor rotates reversely, and the coil conveying trolley 2 returns to the next steel plate coil buffer bracket to be ready. The structure can continuously supply 3 steel plate coils for the uncoiler, and after the steel plate coils are timely supplemented by operators, continuous circulation is realized.

In order to further improve the level of automation of the production line, the roll stand 24 may be provided with a weight sensor for counting the weight of the supplied steel sheet coil. An ultrasonic position sensor can be arranged near the uncoiler, so that the lifting height of the steel plate coil is detected, and the position control precision is improved.

The embodiments described above are merely specific examples selected for illustrating the objects, technical solutions and advantages of the present invention in detail, and should not be construed as limiting the scope of the present invention, and various modifications, equivalent substitutions and improvements can be made without departing from the spirit and principle of the present invention.

Claims

1. The utility model provides a steel sheet in welded tube production rolls up feedway which characterized in that: the steel plate coil buffer bracket is of a bilateral symmetry split structure and comprises a base, a bracket seat and a centering hydraulic cylinder, wherein the bracket seat is provided with a V-shaped upper surface, and the centering hydraulic cylinder is arranged on the base and positioned outside the bracket seat; the steel plate coil buffer bracket is characterized in that a pit is arranged between left and right split bodies of the steel plate coil buffer bracket, a track is arranged in the pit, the coil transporting trolley moves along the track, the coil transporting trolley comprises a trolley body, a hydraulic motor and a lifting hydraulic cylinder, a roller frame is arranged at the piston end of the lifting hydraulic cylinder, and four guide rods are further arranged between the roller frame and the trolley body.

2. The steel plate roll feeding device in welded pipe production as claimed in claim 1, wherein the car body is provided with a driving shaft, a driven shaft, a guide wheel and a driven wheel, the bottom of the car body is provided with the driving shaft and the driven shaft in parallel, one end of the driving shaft and one end of the driven shaft on the same side are respectively provided with the guide wheel, the other end of the driving shaft and the other end of the driven shaft on the same side are respectively provided with the driven wheel, the driving shaft and the driven shaft are connected with the car frame through bearing seats, a groove matched with the rail is formed in a rim of the guide wheel.

3. A device for feeding coils of steel in the production of welded tubes according to claim 1, characterized in that the rails are made of 38 kg of rail steel, and the bottom of the rails are seated on pre-embedded parts in the pit and connected by rail press plates.

4. The steel plate coil feeding device in welded pipe production as claimed in claim 1, wherein the guide rod is externally sleeved with a guide rod shield, at least two groups of integral axle sleeves of ZHALD63-3-3 copper alloy are arranged between the guide rod and the guide rod shield, and the effective guide distance of the guide rod is 0.8-1.6 m.

5. The steel plate coil feeding device in welded pipe production as claimed in claim 1, wherein the hydraulic motor is arranged on a motor support at the tail of the vehicle body, an output shaft of the hydraulic motor is connected with a first chain wheel, a driving shaft end is connected with a second chain wheel, the first chain wheel and the second chain wheel are connected through a chain, and the gear ratio of the first chain wheel to the second chain wheel is 17: 25.

6. a steel sheet coil feeder in the production of welded tubes according to claim 5, wherein said chain is an A-series short pitch precision roller chain 24A-1-66.

7. The steel plate coil feeding device in welded pipe production as claimed in claim 1, wherein the lifting hydraulic cylinder is arranged vertically to the car body, and the lifting hydraulic cylinder is connected with the car body through a cylinder base.

8. The steel plate roll feeding device in welded pipe production according to claim 1, wherein the tail part of the vehicle body is provided with a hydraulic pipeline access frame, the end part of the hydraulic pipeline access frame is connected with one end of a rubber hydraulic pipe, and the other end of the rubber hydraulic pipe is connected with a hydraulic station through a flexible pipe frame and a fixedly arranged pipe seat.

9. The apparatus as claimed in claim 1, wherein the roller frame is provided with rollers, carrier rollers, a bottom plate and side box plates, the bottom plate and the side box plates form a box-shaped structure, the two carrier rollers are connected with the side box plates through shoe seats, the carrier rollers are arranged on the carrier rollers, and the two carrier rollers are parallel and arranged at equal height.

10. A steel plate coil feeding device in welded pipe production according to claim 1 or 2, characterized in that a rack is arranged on the guide rod along the length direction, the rack is meshed with a worm, two ends of the worm are connected with the sensor seat through bearings, and one end of the worm is connected with a laser displacement sensor and/or a rotary encoder.