CN111618587A - Flat-bulb steel extension production line and extension method - Google Patents

Abstract

The invention provides a bulb flat steel lengthening production line and a bulb flat steel lengthening method. The bulb flat steel extension production line includes a feeding station, a cutting station, a welding station and a storage station. The feeding station includes two first material receiving and conveying devices arranged in parallel and at intervals along the longitudinal direction; each first receiving and conveying device is used to receive the bulb flat steel and transport the bulb flat steel outward in the transverse direction; the cutting station includes two first material receiving and conveying devices. Two feeding and conveying equipment and cutting equipment; the second feeding and conveying equipment is used for receiving the flat bulb steel and conveying the flat bulb steel after being cut by the cutting equipment in the lateral direction, and the cutting equipment is used for cutting and processing the end of the flat bulb steel to form grooves; the welding station includes welding equipment to receive the two flat bulbs after cutting, and weld the grooves of the two flat bulbs to connect the long flat bulbs; the storage station includes transfer equipment and storage equipment, transfer equipment It is used to transfer the lengthened bulb flat steel from the welding equipment to the storage equipment, and the storage equipment is used to store the lengthened bulb flat steel.

Description

Bulb flat steel extension production line and extension method

technical field

The invention relates to the technical field of ship construction, in particular to a production line for lengthening a bulb flat steel and a lengthening method.

Background technique

Ship construction is a complex industrial process. In order to improve the construction efficiency, the hull sections should be made as large as possible. For shipyards with large closing cranes, the size of the hull sections can reach more than 20m × 20m. The hull longitudinal frame generally uses bulb flat steel. Considering transportation, processing, economy and other conditions, the length of this profile is generally less than 12m. Therefore, it is necessary to lengthen the bulb flat steel to meet the size requirements of the hull segment (for example, 20m). The traditional In the shipbuilding scheme, the flat bulb steel is generally hoisted in place for installation, and then the extension work of the flat bulb steel is carried out. For the construction of large-scale flat sections, on the one hand, it takes a long time from the hoisting of the flat bulb steel to the completion of positioning and takes up crane resources; Parallel vertical welding operation is difficult, and the welding forming effect is not good. Especially in the assembly line segmented operation, the lengthening and installation of the bulb flat steel takes a lot of time, which affects the overall operation efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a production line and a method for connecting flat bulb steel, so as to solve the problem of low overall efficiency of ship construction caused by the long connecting time of flat bulb steel in the prior art.

In order to solve the above technical problems, the present invention provides a production line for lengthening bulb flat steel, which includes: a feeding station, including two first material receiving and conveying devices arranged in parallel and spaced apart along the longitudinal direction; each of the first material receiving and conveying devices It is used for receiving the flat bulb steel and conveying the flat steel bulb in the lateral direction, and the ends of the flat bulb steel on the two first feeding and conveying equipment are opposite; the cutting station includes corresponding to the first feeding Two second material receiving and conveying devices provided by the conveying equipment and a cutting device disposed between the two second material receiving and conveying devices; the second material receiving and conveying equipment is used for receiving the corresponding first material receiving and conveying equipment The conveyed flat bulb steel and the flat bulb steel after being cut by the cutting device are transported outward in the lateral direction, and the cutting device is used for cutting and processing the end of the flat bulb steel to form a groove; a welding station, including Welding equipment arranged downstream of the second feeding and conveying equipment to receive the two flat bulbs after being delivered by the second feeding and conveying equipment, and to weld the grooves of the two flat bulbs to connect the long flat bulbs Steel; a storage station, including a transfer device and a storage device, the transfer device is used to transfer the long bulb flat steel from the welding device to the storage device, and the storage device is used to store the long ball flat steel.

In one of the embodiments, the first splice conveying device and the second splice conveying device have overlap in the transverse direction.

In one of the embodiments, the first splice conveying device and the second splice conveying device each include: two brackets, which are arranged in parallel and spaced apart in the longitudinal direction; the length of each bracket extends in the transverse direction; and two conveyor chains, One-to-one correspondence is arranged on the top of the bracket; the conveying chain is in a closed loop; the driving mechanism drives the two conveying chains to move synchronously.

In one embodiment, the welding equipment includes two supporting platforms arranged in parallel and spaced apart in the longitudinal direction, and a welding tool arranged between the two supporting platforms, each of the supporting platforms receiving the corresponding second material For the flat bulbs conveyed by the conveying equipment, the welding tool welds the grooves of the two flat bulbs.

In one embodiment, the storage device includes: a base, which is arranged in the lateral extension direction of the welding device; a plurality of bottom rollers, which are arranged in parallel and spaced apart in the lateral direction and are located at one end of the base in the longitudinal direction; The roller rotates in the lateral direction, and the outer peripheral surface of each bottom roller is provided with a limit groove for supporting the spherical flat steel; a plurality of side idlers are arranged in parallel and spaced apart along the lateral direction, and are located on the base relative to the At the other end of the bottom roller, each side idler rotates vertically, and two adjacent side idlers are used to support a flat bulb.

In one embodiment, the transfer device includes: a hanger, arranged above the storage device and extending above the welding device; a traverse mechanism, slidably arranged on the hanger, and can be moved to above the welding equipment or above the storage equipment; a lifting mechanism is connected with the traverse mechanism and moves with the traverse mechanism; a plurality of hooks are arranged at intervals along the longitudinal direction; The hooks are all connected with the lifting mechanism to be able to rise and fall, and the hooks are used to hook the flat bulb steel.

In one of the embodiments, it also includes a transport station; the transport station includes a plurality of positioning trolleys, and the plurality of positioning trolleys are spaced along the longitudinal direction to clamp the elongated flat bulb steel to store the storage equipment. The stored flat bulbs are transported to the flat bulb installation station.

In one embodiment, the positioning trolley includes: a positioning frame, the bottom of which is open; a plurality of universal wheels, which are arranged on the bottom of the positioning frame to drive the positioning frame to move; a limit frame , which is arranged in the positioning frame; the bottom of the limit frame is open to allow the bulb flat steel to enter the limit frame, and the opposite ends of the limit frame in the horizontal direction pass through, while the The spherical flat steel is allowed to pass through the limit frame; one end of the clamping plate is hingedly connected with one side of the limit frame, and the other end can be approached or away from the other side of the limit frame, and Clamp the flat bulb in the limit frame.

In one embodiment, the transportation station further includes a transportation trolley; the transportation trolley is used to support the flat bulb steel, and the transportation trolley is connected to the positioning device when the elongated flat bulb is transported. The trolleys are arranged at intervals in the longitudinal direction to jointly transport the elongated flat bulbs.

In one embodiment, the transport trolley includes: a transport frame; a plurality of universal wheels arranged at the bottom of the transport frame to drive the transport frame to move; support rollers arranged on the transport frame the top of the frame; the axis of the support roller extends horizontally, and the outer peripheral surface of the support roller is provided with a support groove for supporting the flat bulb; the clamping mechanism is arranged on the top of the transport frame, and It is positioned above the support roller to clamp the flat bulb steel located in the support groove of the support roller.

The present invention also provides a method for lengthening the flat bulb steel, which adopts the above-mentioned production line for lengthening the flat bulb steel, and the method for lengthening the flat bulb steel comprises:

The two flat bulbs are respectively fed to the two first receiving and conveying equipment;

conveying the flat bulb steel on the first receiving and conveying equipment to the corresponding second receiving and conveying equipment;

Cut and process the ends of the bulb flat steel on the two second feeding and conveying devices by the cutting device to form grooves;

conveying the flat bulb steel cut and processed by the cutting equipment to the welding equipment through the second feeding and conveying equipment;

Weld the grooves of the two flat bulb steels by the welding equipment to realize the lengthening;

The elongated flat bulb steel is transferred to the storage device by the transfer mechanism.

As can be seen from the above technical solutions, the advantages and positive effects of the present invention are:

The bulb flat steel lengthening production line of the present invention receives and transports the bulb flat steel through two first feeding and conveying devices, and the two second feeding and conveying devices receive the bulb flat steel conveyed by the corresponding first feeding and conveying device, and are located in the two second feeding and conveying devices. The cutting equipment of the second feeding and conveying equipment cuts the flat bulb steel to form a groove, the welding equipment receives the flat bulb after cutting and processing, and welds and lengthens the two flat steel bulbs, and the storage equipment receives the lengthened flat steel. Ball flat steel. That is, the flat bulb steel lengthening production line firstly lengthens the flat bulb steel, and then transports the flat bulb after lengthening to the installation station of the flat bulb, and directly connects the long flat steel for installation. There is no need for cutting and welding at the installation station for flat bulb steel, so this production line for flat bulb steel connection saves time and improves the efficiency of ship construction.

In the method for lengthening the flat bulb steel of the present invention, the two flat bulb steels after feeding are firstly cut to form a break, and then welded and lengthened, and then the lengthened flat bulb steel is transported to the installation worker of the flat bulb steel position, and directly connect to the long bulb flat steel for installation. There is no need to perform cutting processing and welding at the bulb flat steel installation station, so the bulb flat steel joining method saves time and improves the efficiency of ship construction.

Description of drawings

Fig. 1 is the structural representation of one embodiment of the bulb flat steel extension production line of the present invention;

FIG. 2 is a schematic structural diagram of one embodiment of the first material receiving and conveying equipment and the second material receiving and conveying equipment receiving bulb flat steel according to the present invention;

3 is a schematic structural diagram of an embodiment of the first material receiving and conveying equipment of the present invention;

4 is a schematic structural diagram of an embodiment of the welding equipment of the present invention;

5 is a schematic structural diagram of the cooperation of a support frame, a longitudinal roller and a lifting mechanism of the present invention;

6 is a schematic structural diagram of an embodiment of the welding tool of the present invention;

Fig. 7 is the structural representation of the cooperation of the transfer device and the storage device of the present invention;

FIG. 8 is a side view of the coordination of transfer equipment, storage equipment and welding equipment of the present invention;

Fig. 9 is the structural representation that the storage rack of the present invention stores flat bulb;

Fig. 10 is the structural representation of bottom roller storage bulb flat steel on the storage rack of the present invention;

Figure 11 is a schematic structural diagram of the storage frame of the present invention on the side roller storage bulb flat steel;

Fig. 12 is the structural representation of the transfer device of the present invention;

Fig. 13 is the structural representation of the positioning trolley of the present invention;

Fig. 14 is a schematic view of the structure of the transport trolley of the present invention.

The reference numerals are explained as follows:

1. The first feeding and conveying equipment; 11, the bracket; 12, the conveyor chain; 131, the transmission wheel; 132, the synchronous shaft; 133, the power part;

2. The second feeding and conveying equipment; 21, the bracket; 22, the conveyor chain; 23, the driving mechanism; 231, the transmission wheel; 232, the synchronous shaft; 233, the power part;

4. Welding equipment; 41. Support platform; 411, Support frame; 4111, Support plate; 4112, Vertical rod; 412, Longitudinal roller; 413, Lifting mechanism; 4131, Bearing bracket; 42, welding tooling; 421, fixing frame; 4211, fixing plate; 4212, vertical rod; 422, pressing mechanism; 4221, pressing arm; 4222, pressing cylinder;

5, storage equipment; 51, storage rack; 511, base; 512, bottom roller; 513, mounting plate; 514, connecting shaft; 515, side roller; 5151, cone section; ;

6. Transfer equipment; 61, hanger; 611, top frame; 612, side support; 621, traverse trolley; 631, rotating shaft; 632, roller; 633, driving part; 64, hook;

7, positioning trolley; 71, positioning frame; 711, positioning plate; 712, column; 713, transition plate; 72, universal wheel; 73, limit frame; 731, base plate; 732, limit plate; 74, clamp Tight plate; 75. Height adjustment piece;

8. Transporting trolley; 81. Transporting frame; 811. Supporting beam; 812. Connecting beam; 813. Vertical beam; 82. Universal wheel; 83. Supporting roller; 841. Clamping ball;

91. Flat bulb steel; 92. Flat bulb steel after lengthening.

Detailed ways

Exemplary embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and drawings therein are essentially used for illustration rather than limitation this invention.

In order to further illustrate the principle and structure of the present invention, the preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

The invention provides a flat bulb steel lengthening production line, which is arranged near a ship construction site, and the ship construction site has a bulb flat steel installation station. In the related art, the flat bulb steel 91 is usually transported to the ship construction space first, and then lengthened on site as required, so that when the length is connected on site, it is necessary to carry a special butt-clamping device for the flat bulb steel to be clamped one by one and then welded. ship construction time. The flat bulb steel splicing production line in the present invention firstly lengthens the flat bulb steel 91, then transports the flat bulb 92 after the lengthening to the installation station of the flat bulb, and directly connects the flat bulb 92 after lengthening. Install. The bulb flat steel extension production line saves time and improves the efficiency of ship construction.

Wherein, the lengthening of the flat bulb steel refers to connecting the two flat bulb steels 91 along the length direction of the flat bulb steel 91 . At present, the length of the flat bulb steel 91 is generally 6 to 12 m, and the common demand is 16 to 20 m, which can be met by connecting two flat bulb steels 91 together. Of course, the two flat bulbs 91 can also be lengthened first, and then the lengthened flat bulb 92 can be lengthened with another flat bulb 91 to meet longer demands. The above-mentioned lengthening of the flat bulb steel 91 can all be realized by the production line for lengthening the flat bulb steel in the present invention.

Specifically, the flat bulb 91 includes a flat web and a spherical head.

For the convenience of description, the length direction of the bulb flat steel extension production line is defined as the longitudinal direction, and the horizontal direction perpendicular to the longitudinal direction is the transverse direction. Wherein, the length direction of the flat bulb steel 91 extends in the longitudinal direction when it is extended on the production line.

The bulb flat steel extension production line will be described in detail below.

Referring to Fig. 1, the bulb flat steel extension production line includes a loading station, a cutting station, a welding station, a storage station and a transportation station.

2 and 3, the material loading station includes two first material receiving and conveying devices 1 arranged in parallel and spaced apart along the longitudinal direction. Among them, the first material receiving and conveying device 1 is used for receiving the flat bulb steel 91 and conveying the flat bulb steel 91 to the cutting station along the transverse direction. And the ends of the flat bulbs 91 on the two first feeding and conveying devices 1 are opposite to each other, that is, the length direction of the flat bulbs 91 extends along the longitudinal direction.

In this embodiment, the flat bulb steel 91 is loaded onto the first material receiving and conveying device 1 by hoisting.

Specifically, the first feeding and conveying device 1 includes two brackets 11 , two conveying chains 12 and a driving mechanism.

The two brackets 11 are arranged in parallel and spaced apart along the longitudinal direction. The length of each bracket 11 extends in the lateral direction, and specifically includes a plurality of longitudinally extending longitudinal beams, a plurality of laterally extending beams and a plurality of vertically extending columns, and the plurality of longitudinal beams, a plurality of beams and a plurality of columns are fixedly connected to form The bracket 11 is formed as a whole.

The two conveyor chains 12 are disposed on the bracket 11 in a one-to-one correspondence, and each conveyor chain 12 is disposed on the top of the corresponding bracket 11 . Each conveyor chain 12 is in the form of a closed loop.

The driving mechanism includes a plurality of transmission wheels 131 , a power member 133 and a synchronizing shaft 132 .

A plurality of transmission wheels 131 are installed on the two brackets 11 , and the transmission wheels 131 on each bracket 11 are arranged at intervals along the length direction of the bracket 11 . Specifically, in this embodiment, the number of the transmission wheels 131 is eight, corresponding to the two brackets 11 respectively, that is, each bracket 11 is provided with four transmission wheels 131 . Two transmission wheels 131 are respectively provided at both ends of each bracket 11 in the length direction, and the two transmission wheels 131 located at the same end are fixedly connected by a connecting shaft, that is, the two ends of the connecting shaft are respectively fixedly connected with the two transmission wheels 131, so that the The two transmission wheels 131 can rotate synchronously. Each end of the bracket 11 is provided with two transmission wheels 131 .

Each transmission wheel 131 has a rotation shaft, and the rotation shaft extends in the longitudinal direction. The rotating shaft is rotatable about its own axis within a range of 360°, so that the transmission wheel 131 can rotate about its own axis by 360°.

Both ends of the synchronizing shaft 132 are respectively connected to the transmission wheels 131 located on the two brackets 11 , so that the transmission wheels 131 on the two brackets 11 rotate synchronously. Specifically, in this embodiment, the synchronizing shaft 132 is connected to the two transmission wheels 131 located on the inner side. Wherein, the inside refers to the use state of the first material receiving and conveying mechanism as a reference, along the longitudinal direction, the direction defined by the two brackets 11 is the inside, and vice versa.

The power member 133 is connected to one of the transmission wheels 131 on one of the brackets 11 , and drives the transmission wheel 131 to rotate, thereby driving the other transmission wheel 131 located at the same end as the transmission wheel 131 to rotate. In this embodiment, the power member 133 is connected to one of the transmission wheels 131 located on the outer side.

The power member 133 is a motor, and its output shaft is connected with the rotating shaft of the transmission wheel 131 , thereby driving the transmission wheel 131 to rotate, and driving the other transmission wheels 131 to rotate.

The conveyor chain 12 extends laterally and is wound around the two transmission wheels 131 in the longitudinal direction of the bracket 11 . In this embodiment, the conveyor chain 12 is wound around the two transmission wheels 131 on the inner side of each bracket 11 .

The driving mechanism drives one of the transmission wheels 131 to rotate through the power element 133 , and the two conveyor chains 12 move synchronously through the action of the synchronizing shaft 132 .

The working principle of the first material receiving and conveying device 1 is as follows:

A flat bulb 91 extending in the longitudinal direction is received by two conveyor chains 12 spaced apart in the longitudinal direction. Driven by the driving mechanism, the two conveyor chains 12 move synchronously, and then the flat bulb 91 on the first splicing and conveying device 1 is conveyed to the downstream cutting station.

And the first feeding and conveying device 1 can ensure that the flat bulb 91 is transported to the downstream cutting station as required by controlling the start and stop of the power element 133, so that the first feeding and conveying device 1 can be used for temporarily storing the flat bulb. Steel 91.

The cutting station includes two second feeding and conveying devices 2 and cutting devices. The two second material receiving and conveying devices 2 are provided corresponding to the first material receiving and conveying equipment 1 , and are used for receiving the bulb flat steel 91 conveyed by the corresponding first material receiving and conveying equipment 1 . The cutting device is located between the two second feeding and conveying devices 2, and is used for cutting and processing the end of the flat bulb steel 91 to form a groove.

Specifically, in the transverse direction, the second splice and conveying device 2 is overlapped with the first splice and conveying device 1 . In addition, the upper surface of the second material receiving and conveying device 2 is flush with the upper surface of the first material receiving and conveying device 1, so that the flat bulb 91 conveyed in the lateral direction can smoothly transition.

Each second feeding and conveying device 2 includes two brackets 21 , two conveying chains 22 and a driving mechanism. The difference between the second splice conveying device 2 and the first splice conveying device 1 is that the distance between the two brackets 21 of the second splice conveying device 2 is smaller than that between the two brackets 11 of the first splice conveying device 1 distance, the length of the synchronization shaft 232 of the second material receiving and conveying device 2 is smaller than the length of the synchronization shaft 132 of the first material receiving and conveying device 1 . In this embodiment, the two brackets 21 of the second material receiving and conveying device 2 are located between the two brackets 11 of the first material receiving and conveying device 1 . In other embodiments, the two brackets 11 of the first material receiving and conveying device 1 may also be located between the two brackets 21 of the second material receiving and conveying device 2 .

The structure of the bracket 21 of the second feeding and conveying device 2 is the same as that of the bracket 11 of the first feeding and conveying device 1 . The driving mechanism of the second feeding and conveying device 2 has the same structure as the driving mechanism of the first feeding and conveying device 1, and also includes a plurality of transmission wheels 231, a synchronizing shaft 232 and a power member 233. For the above, refer to the first feeding and conveying device. 1, which will not be repeated here.

The cutting device is arranged between two adjacent second feeding and conveying devices 2 to perform cutting processing on the flat bulb 91 located on the second feeding and conveying device 2 . Wherein, the cutting device is located in the middle area of the second feeding and conveying device 2 in the longitudinal direction, so that the second feeding and conveying device 2 can transport the flat bulb steel 91 cut and processed by the cutting device.

The synchronizing shaft 132 of the second feeding and conveying device 2 is close to the first feeding and conveying device 1 . The second material receiving and conveying device 2 has more space relative to the other end of the first material receiving and conveying device 1 in the longitudinal direction, and it is convenient for the cutting staff to enter or exit.

And the synchronizing shaft 132 of the first material receiving and conveying device 1 is close to the second material receiving and conveying device 2 , which is convenient for the operator to enter the second material receiving and conveying device 2 from the end far away from the second material receiving and conveying device 2 to perform related operations.

Specifically, the cutting device is used to cut the end of the flat bulb 91 to cut the length of the flat bulb 91 to a preset length, and to make the end bevel and beveling of the flat bulb 91 meet preset requirements.

In this embodiment, the cutting process of the flat bulb steel 91 by the cutting equipment is completed by the operation of the operator. In the related art, a plurality of flat bulb steels 91 are spread out, and the operator transports the cutting equipment to the flat bulb steel 91 for cutting and processing. The next flat bulb is 91. In the cutting station of the present invention, the flat bulb 91 is moved, and the cutting equipment does not need to be moved, which saves labor costs and operation time.

The second feeding and conveying equipment 2 on the cutting station can control the start and stop of the drive mechanism to ensure that the flat bulb steel 91 reaches the next station, that is, the welding station as needed, and can temporarily store the flat bulbs that have been cut and processed by the cutting equipment. Steel 91.

And the second feeding and conveying device 2 of the cutting station and the first feeding and conveying device 1 of the feeding station are independent of each other, so that the feeding of the flat bulb 91 and the cutting of the flat bulb 91 are independent of each other, and can be performed at the same time. , thereby saving time.

The welding station includes a welding device 4 arranged downstream of the second material receiving and conveying equipment 2 to receive the cut two flat bulbs 91 conveyed by the second material receiving and conveying equipment 2, and to weld the grooves of the two flat bulbs 91 To connect long bulb flat steel 91.

Referring to FIG. 4 , the welding equipment 4 includes two supporting platforms 41 arranged in parallel and spaced apart along the longitudinal direction, and a welding tool 42 arranged between the two supporting platforms 41 .

The two supporting platforms 41 are arranged corresponding to the second material receiving and conveying device 2 . In the height direction, the support platform 41 is lower than the height of the second feeding and conveying device 2 . In the lateral direction, the support platform 41 and the second material receiving and conveying device 2 are overlapped, so that the flat bulb 91 conveyed by the second material receiving and conveying device 2 can smoothly fall onto the support platform 41 .

Each supporting platform 41 includes two supporting frames 411 , two longitudinal rollers 412 and two lifting mechanisms 413 , which are arranged in parallel and spaced apart along the longitudinal direction. The two supporting frames 411 are disposed corresponding to the two supporting frames 11 of the second material receiving and conveying device 2 , and the two supporting frames 411 jointly support a flat bulb 91 . Specifically, the support frame 411 and the bracket 21 of the second feeding and conveying device 2 have overlap in the lateral direction. In the vertical direction, the upper surface of the support frame 411 is lower than the upper surface of the conveying chain 22 of the second feeding and conveying device 2 .

Referring to FIG. 5 , the support frame 411 includes a support plate 4111 and vertical rods 4112 disposed at four corners of the support plate 4111 and supporting the support plate 4111 . The support plate 4111 is provided with through holes extending in the lateral direction.

The two longitudinal rollers 412 are disposed corresponding to the two supporting frames 411 . Specifically, each longitudinal roller 412 is disposed corresponding to the through hole of the support frame 411 .

Each longitudinal roller 412 has a rotating shaft, and the rotating shaft extends in the lateral direction, so that the longitudinal roller 412 rotates 360° around the rotating shaft, so that the spherical flat steel 91 on the two support frames 411 can move in the longitudinal direction.

In this embodiment, the flat bulb 91 is pushed by manpower. When the flat bulb 91 moves in the longitudinal direction, the longitudinal roller 412 is driven to rotate, so that the end of the flat bulb 91 can be easily moved to the tooling of the welding equipment 4 .

The two lifting mechanisms 413 are arranged corresponding to the longitudinal rollers 412 . Specifically, each lifting mechanism 413 is disposed below the vertical roller 412 and is connected with the vertical roller 412 to drive the vertical roller 412 to rise and fall, so that the vertical roller 412 is lifted up to exceed the support frame 411 or the vertical roller 412 is lowered to be positioned on the support rack 411.

Specifically, the lifting mechanism 413 includes a support bracket 4131 , a lifting cylinder 4132 and a top plate 4133 . The support bracket 4131 is arranged below the longitudinal roller 412 . In this embodiment, the support brackets 4131 are located between the vertical bars 4112 on opposite sides of the support frame 411 .

The lift cylinder 4132 is inclined and has a fixed end and a free end, and the free end is higher than the free end in the height direction. The fixed end is fixedly connected with the top of the support bracket 4131 .

The top plate 4133 is connected to the free end of the lift cylinder 4132, and moves up and down with the lift of the free end. In this embodiment, one corner of the top plate 4133 is hingedly connected to the free end of the lift cylinder 4132 , and the other three corners are hingedly connected to a transition rod whose two ends are hingedly connected to the support bracket 4131 and the top plate 4133 . And the three transition rods are arranged in parallel. And the three transition rods are arranged in parallel.

The longitudinal roller 412 is connected to the top plate 4133 and is rotatable relative to the top plate 4133 .

When the free end of the lift cylinder 4132 rises upward relative to the fixed end, it drives the top plate 4133 to rise, and then the vertical roller 412 rises upward.

Referring to FIG. 6 , the welding tool 42 includes a fixing frame 421 , two pressing mechanisms 422 and a welding torch.

The fixing frame 421 is disposed between the two supporting platforms 41 and between two adjacent supporting frames 411 . And the height of the fixing frame 421 is the same as the height of the supporting frame 411 .

The fixing frame 421 includes a fixing plate 4211 and a plurality of vertical rods 4212 located at the bottom of the fixing plate 4211 and supporting the fixing plate 4211 . The fixing plate 4211 includes a main body part and two protruding parts, the main body part and the protruding parts are arranged coplanarly, and the two protruding parts are arranged at intervals along the longitudinal direction. In this embodiment, the protruding portion of the fixing plate 4211 is close to the second material receiving and conveying device 2 of the cutting station.

The two pressing mechanisms 422 are disposed corresponding to the two protruding portions of the fixing frame 421 . Each pressing mechanism 422 includes a pressing arm 4221 and a pressing cylinder 4222 .

The pressing cylinder 4222 has a fixed end and a free end, and the fixed end and the free end are inclined downward along the lateral direction. The pressing cylinder 4222 is mounted on the fixing frame 421 through the transition plate 713 . The transition plate 713 is erected on the protruding portion of the fixing plate 4211 , and in the lateral direction, the transition plate 713 is close to the second feeding and conveying device 2 . The fixed end of the pressing cylinder 4222 is fixedly connected with the transition plate 713 .

The number of the pressing arms 4221 is two, and they are arranged in parallel along the longitudinal direction. Each pinch arm 4221 extends laterally and has a hinged end and a pinch end. The hinged ends of the two pressing arms 4221 are connected with the free ends of the pressing cylinder 4222 through a connecting rod. Specifically, the connecting rod extends in the longitudinal direction, and the two ends of the connecting rod are connected to the pressing arms 4221 in one-to-one correspondence.

The hinged end of each pressing arm 4221 is hingedly connected with the fixing plate 4211 , so that the pressing arm 4221 can be turned over, that is, the pressing end is close to the fixing plate 4211 or away from the fixing plate 4211 .

The working principle of the pressing mechanism 422: the free end of the pressing cylinder 4222 protrudes relative to the fixed end, that is, the free end is now more inclined downward to the fixed end, so that the pressing end of the pressing arm 4221 is close to the fixed plate 4211, and Press the flat bulb 91 on the fixing plate 4211.

The welding torch is arranged between the two protruding parts, and is used for welding the grooves of the two flat bulbs 91 to realize the lengthening. In this embodiment, the welding process of the flat bulb steel 91 is completed by the operation of the operator.

The welding tool 42 supports the ends of the two flat bulbs 91 through the fixing frame 421, and respectively presses the two flat bulbs 91 on the fixing frame 421 through the two pressing mechanisms 422, and then welds the two flat bulbs 91 through the welding torch to Realize extension.

The working principle of the welding station: the two supporting platforms 41 respectively receive the spherical flat steel 91 conveyed from the second material receiving and conveying equipment 2, and the lifting mechanism 413 drives the longitudinal roller 412 to lift up. The longitudinal rollers 412 on the support frame 411 support and push the flat bulb steel 91, so that the end of the flat bulb steel 91 with the groove is located on the fixing frame 421 of the welding tool 42, and adjust the gap between the two flat bulb steels 91; The vertical roller 412 is lowered by the lifting mechanism 413, then the flat bulb 91 is pressed by the pressing mechanism 422, and finally the grooves of the two flat bulbs 91 are welded by the welding torch. By transporting the flat bulb steel 91 to the welding station, the welding tool 42 does not need to be moved, which not only saves labor costs, but also saves time.

7 and 8 , the storage station includes a transfer device 6 and a storage device 5 . Among them, the transfer device 6 is used to transfer the flat bulb 92 after the lengthening of the welding station to the storage device 5 , and the storage device 5 is used to store the lengthened flat bulb 92 .

The storage device 5 is arranged in the lateral extension direction of the welding device 4 and can store a plurality of elongated flat bulb steels 92 . Specifically, the storage device 5 includes a plurality of storage racks 51 arranged at intervals in the longitudinal direction. The plurality of storage racks 51 jointly support the elongated flat bulb steel 92 in the longitudinal direction.

Referring to FIG. 9 , the storage rack 51 specifically includes a base, a plurality of bottom rollers 512 and a plurality of side rollers 515 .

A plurality of bottom rollers 512 are arranged in parallel and spaced apart along the lateral direction, and are located at one end of the base in the longitudinal direction. Each bottom roller 512 has a rotating shaft extending in the lateral direction, so that the bottom roller 512 can rotate 360° in the lateral direction.

Referring to FIG. 10 , the outer peripheral surface of each bottom roller 512 is provided with an accommodating groove for supporting the elongated flat bulb 92 . Specifically, the accommodating groove is formed by the diameter of each bottom roller 512 being tapered from both ends to the middle position.

The bottom rollers 512 are respectively mounted on the base through the mounting plate 513 . Wherein, a plurality of mounting plates 513 are erected on the base at parallel intervals along the lateral direction. The two mounting plates 513 jointly support a bottom roller 512 , and two adjacent bottom rollers 512 share a mounting plate 513 . Two mounting grooves are arranged on the mounting plate 513 in parallel and spaced apart along the longitudinal direction, and two adjacent bottom rollers 512 are respectively connected with the two mounting grooves so that the two adjacent bottom rollers 512 are dislocated. That is, among the two adjacent bottom rollers 512 , one bottom roller 512 is connected to one of the mounting grooves of the mounting frame, and the other bottom roller 512 is connected to the other mounting groove of the mounting frame.

Each bottom roller 512 and the mounting frame are rotatably connected through a connecting shaft 514 . The connecting shaft 514 extends laterally, and the end of the connecting shaft 514 matches the shape of the mounting groove and is clamped in the mounting groove, so that the connecting shaft 514 cannot rotate relative to the mounting frame. The middle of the connecting shaft 514 is circular, so that the bottom roller 512 sleeved on the connecting shaft 514 can rotate around the connecting shaft 514 . Wherein, a bearing is provided between the bottom roller 512 and the connecting shaft 514 . Specifically, in this embodiment, the end of the connecting shaft 514 is U-shaped.

A plurality of side idler rollers 515 are arranged in parallel and spaced apart in the lateral direction, and are located on the other end of the base relative to the bottom roller 512 . Referring to FIG. 11 , each side support roller 515 rotates vertically, and the adjacent two side support rollers 515 are used to support a lengthened spherical flat steel 92 . When the elongated flat bulb 92 is located between the two adjacent side rollers 515, the ball head of the elongated flat bulb 92 is located above the side rollers 515 and has a height difference.

Each side idler 515 includes a conical cylinder section 5151 and a straight cylinder section 5152 sequentially arranged from top to bottom along the vertical direction, wherein the diameter of the conical cylinder section 5151 gradually increases from top to bottom. The top of the straight barrel section 5152 is directly equal to the diameter of the conical barrel section 5151 .

The design of the top cone section 5151 of the side rollers 515 facilitates the insertion of the elongated flat bulb 92 , so that the elongated flat bulb 92 can smoothly enter between the two adjacent side rollers 515 . In this embodiment, the distance between two adjacent straight cylinder sections 5152 is 19 mm, and the maximum distance between two adjacent conical cylinder sections 5151 is 56 mm.

Each side idler 515 is rotatably connected to the base through a mounting cylinder 516 . Specifically, a plurality of mounting cylinders 516 are erected on the base at parallel intervals along the lateral direction. Each side idler roller 515 is rotatable relative to the mounting drum 516 . The lower section of the straight cylinder section 5152 of each side idler roller 515 is located in the installation cylinder 516 . In this embodiment, a shaft sleeve is provided between each side idler roller 515 and each installation cylinder 516 , the shaft sleeve is sleeved outside the side idler roller 515 , and the shaft sleeve is fixedly connected to the installation cylinder 516 .

When a plurality of storage racks 51 are arranged in the longitudinal direction, the bottom roller 512 of one of the storage racks 51 is adjacent to the side roller 515 of the other storage rack 51, and the rotation of the bottom roller 512 and the rotation of the side roller 515 are used to achieve the desired effect. The longitudinal movement of the elongated flat bulb steel 92 is realized.

In practical applications, the height of the elongated flat bulb 92 on the bottom roller 512 is the same as the height between the two adjacent side rollers 515, and is consistent with the height of the installation station of the flat bulb.

When the storage rack 51 stores the elongated flat bulb 92, the length of the elongated flat bulb 92 extends longitudinally, and the side of the elongated flat bulb 92 stands on the storage rack 51, that is, the elongated The webs of the flat bulb steel 92 are arranged longitudinally and extend vertically, and the ball head is located at the top. The bottom end of the web is located in the accommodating groove of the bottom roller 512 and between the two side rollers 515 .

Referring to FIG. 12 , the transfer apparatus 6 includes a hanger 61 , a traverse mechanism, a lift mechanism, and a plurality of hooks 64 .

The hanger 61 includes a top frame 611 and a plurality of side supports 612 located on one side of the side frames and supporting the top frame 611 . The top frame 611 is located above the storage device 5 and extends above the welding device 4 . A plurality of side supports 612 are disposed on the other side of the top frame 611 relative to the welding equipment 4, and are disposed in parallel and spaced apart in the longitudinal direction.

The top frame 611 includes two top side beams and three top beams connected between the two top side beams. The top side beams extend longitudinally, and the top beams extend laterally.

The traverse mechanism can be slidably arranged on the hanger 61 and can move to the top of the welding equipment 4 or the storage equipment 5 . Specifically, the traverse mechanism includes three traverse trolleys 621, which are arranged corresponding to the top beam.

The traverse trolley 621 includes a casing, a runner and a limit rod located in the casing. The casing is square with an open bottom.

The number of runners is four, all located in the housing. The rotating shaft of the runner extends longitudinally. The runner is fixedly connected with the casing to drive the casing to move laterally along the top frame 611 .

The limiting rod is disposed at the bottom of the casing to restrict the casing from being separated from the top frame 611 . Specifically, the number of limit rods is four, each limit rod is inclined downward from the bottom of the casing, and the limit rods located on both sides of the casing are inclined toward each other, thereby restricting the casing from detaching from the top beam.

The traverse trolley 621 is moved along the top beam by manpower pushing.

The hoisting mechanism includes a rotating shaft 631 , a plurality of drums 632 , a plurality of wire ropes, and a driving member 633 .

The rotating shaft 631 extends in the longitudinal direction, and its two ends are respectively connected with the traverse trolleys 621 located at both ends of the top frame 611 in the longitudinal direction, and the middle part is connected with the traverse trolleys 621 located in the middle of the top frame 611 in the longitudinal direction. The moving cart 621 rotates. The axis of the rotation shaft 631 extends longitudinally.

The plurality of rollers 632 are sleeved on the outer circumference of the rotating shaft 631 and can rotate with the rotation of the rotating shaft 631 . Specifically, in this embodiment, the number of rollers 632 is four, and two rollers 632 are arranged between two adjacent traverse trolleys 621 .

A plurality of wire ropes are arranged corresponding to the drum 632 . Each wire rope is wound around the outer circumference of the drum 632 . The wire rope has a fixed end and a lifting end, the fixed end is fixedly connected with the drum 632 , and the lifting end can be lifted and lowered relative to the drum 632 .

The plurality of hooks 64 are provided corresponding to the plurality of wire ropes. Each hook 64 is fixedly connected with the lifting end, and rises and falls with the lifting of the lifting end. The hook 64 is used for hooking the long flat bulb 92 to realize the transfer of the long butt-jointed flat bulb 92 . Specifically, the position of the hook 64 in the longitudinal direction is staggered from the bottom roller 512 and the side idler 515 on the storage rack 51 , so that when the transfer device 6 transfers the elongated flat bulb 92 to the storage rack 51 , the hanging The height at which the hook 64 can descend is lower than the bottom roller 512 and the side idler 515 , so that the elongated flat bulb 92 falls to the storage rack 51 and then the elongated flat bulb 92 is released.

The driving member 633 is connected with the rotating shaft 631 to drive the rotating shaft 631 to rotate, thereby driving the drum 632 to rotate, so that the wire rope is wound around the outer circumference of the drum 632 or released from the outer circumference of the drum 632 to realize the lifting and lowering of the hook 64 .

The process of transferring the lengthened bulb flat steel 92 by the transfer device 6 is as follows:

Push the traverse trolleys 621 to move each traverse trolley 621 to the top of the welding equipment 4, lower the hooks 64 through the lifting mechanism, and hook the elongated flat bulb 92 through the hooks 64; then lift the hooks through the lifting mechanism 64. Make the elongated flat bulb 92 separate from the welding equipment 4; push the traverse trolley 621 to make each traverse trolley 621 drive the elongated flat bulb 92 to move to the top of the storage rack 51; then lower through the lifting mechanism, The elongated flat bulb 92 is lowered onto the storage rack 51 .

The transport station includes at least two positioning trolleys 7 . When the distance between the storage station and the installation station of the flat bulb steel is less than 3m, the transportation of the long butt-jointed flat bulb steel 92 is completed by the two positioning trolleys 7 . When the distance between the storage station and the bulb flat steel installation station is greater than 3m, the transport station also includes a transport trolley 8 . The distance of the positioning trolley 7 is selected according to the distance between the storage station and the bulb flat steel installation station.

Referring to FIG. 13 , the positioning trolley 7 includes a positioning frame 71 , a plurality of universal wheels 72 , a limit frame 73 , a clamping plate 74 and a height adjusting member 75 .

The bottom opening of the positioning frame 71 specifically includes a positioning plate 711 , four uprights 712 and two transition plates 713 .

The positioning plate 711 is provided with two adjustment holes along its length direction. The area defined between the two adjustment holes is provided with a weight reduction hole.

The four uprights 712 are respectively located at the corners of the positioning plate 711 to support the positioning plate 711 . There are intervals between the four uprights 712 , so that opposite sides of the positioning frame 71 and opposite ends are connected.

The two transition plates 713 are located below the positioning plate 711 and are connected to the bottom ends of the upright columns 712 . The length direction of the transition plate 713 extends along the width direction of the positioning plate 711 . The transition plate 713 is connected to the two uprights 712 located at the same end of the positioning plate 711 in the length direction.

The number of the universal wheels 72 is four, wherein two of the universal wheels 72 are arranged corresponding to a transition plate 713 . The two universal wheels 72 under the same transition plate 713 are arranged at intervals. The universal wheel 72 is fixedly connected with the transition plate 713 to drive the positioning frame 71 to move.

The limiting frame 73 is located in the positioning frame 71 . The bottom of the limiting frame 73 is open and communicates with the bottom of the positioning frame 71 , so that the elongated flat bulb 92 can enter the limiting frame 73 from the bottom. The horizontally opposite ends of the limiter 73 pass through, allowing the elongated flat bulb 92 to pass through the limiter 73 .

Specifically, the limiting frame 73 includes a base plate 731 and limiting plates 732 located at four corners of the base plate 731 and supporting the base plate 731 .

The substrate 731 is provided with two connection holes along its length direction. The two connecting holes correspond to the two adjusting holes on the positioning plate 711 . The area defined between the two connecting holes is also provided with a weight-reducing hole.

The limiting plate 732 is vertically erected below the base plate 731 , and the limiting plate 732 extends along the length direction of the base plate 731 . There is a space between the two limiting plates 732 located at the same end in the length direction of the base plate 731 . The limiting plates 732 arranged at intervals along the length direction of the base plate 731 define a limiting groove, which is used to limit the lengthened spherical flat steel 92 to be located in the limiting groove.

One end of the clamping plate 74 is hingedly connected to one side of the limiter 73 , and the other end can be close to or away from the other side of the limiter 73 to clamp the elongated spherical flat located in the limiter 73 . Steel 92.

The two height adjusting members 75 are disposed corresponding to the two adjusting holes of the positioning frame 71 . The height adjusting member 75 passes through the adjusting hole on the positioning frame 71 and the connecting hole on the limiting frame 73 at the same time, so that the height between the limiting frame 73 and the positioning frame 71 can be adjusted. Specifically, the height adjusting member 75 is a bolt and a nut. The bolt passes upward through the connecting hole and the adjusting hole from the bottom of the base plate 731 of the limiting frame 73 , and then tightening the nut can realize the connection of the limiting frame 73 relative to the positioning frame 71 . fixed. Height adjustment can be achieved by placing the nuts at different heights on the bolts. By adjusting the nut, the elongated flat bulb 92 pushed out from the storage station can enter the limiting frame 73 , and it is ensured that the lengthened flat bulb 92 located in the limiting frame 73 does not fall to the ground. The height of the elongated flat bulb 92 is 160 to 340 mm.

When the positioning trolley 7 clamps the elongated flat bulb 92, the elongated flat bulb 92 stands sideways in the limiting frame 73, that is, the web stands sideways, and the ball head is located at the top of the web. One end of the clamping plate 74 is first moved to the end away from the limit frame 73 to allow the elongated flat bulb 92 to enter the limit frame 73; The tightening plate 74 is in contact with the ball head of the elongated flat bulb 92 , and further clamps the elongated flat bulb 92 .

By pushing the positioning trolley 7 , the transportation of the long butt-jointed flat bulb steel 92 is realized.

The method of positioning the trolley 7 to transport the elongated flat bulb 92 is as follows:

At this time, the distance between the storage station and the installation station of the flat bulb steel is less than 3m, and the length of the flat bulb steel 92 is 16m to 20m. By pushing the elongated flat bulb 92, the elongated flat bulb 92 is extended from the storage station to the direction of the installation station of the flat bulb; when extending, the extended ball is clamped by the positioning trolley 7 Flat steel 92; continue to push the extended flat bulb 92, the extended flat steel 92 continues to stretch out, and then clamp the extended flat steel 92 through a positioning trolley 7; until the extended ball The flat bar 92 is completely transported to the bulb flat bar installation station.

After the transportation is completed, the clamping plate 74 is kept away from the elongated flat bulb 92 , so that the elongated flat bulb 92 is separated from the limiting frame 73 , and the positioning trolley 7 is lifted upwards and evacuated from the positioning trolley 7 .

Referring to FIG. 14 , the transport trolley 8 includes a transport frame 81 , a universal wheel 82 , a supporting roller 83 and a clamping mechanism.

The transport frame 81 includes a support beam 811 , two connecting beams 812 perpendicular to the support beam 811 , and a vertical beam 813 vertically arranged and connected to the ends of the connecting beams 812 . Wherein, the support beam 811 is connected to the middle of the length direction of the two connecting beams 812 . Both ends of the connecting beam 812 are provided with vertical beams 813 .

The universal wheel 82 is provided corresponding to each vertical beam 813 . The universal wheel 82 is fixedly connected with the vertical beam 813 to drive the transport frame 81 to move.

The support roller 83 is disposed on the support beam 811 . The axis of the support roller 83 extends horizontally. The outer peripheral surface of the supporting roller 83 is provided with a supporting groove for supporting the elongated flat bulb steel 92 . Specifically, each supporting roller 83 forms the supporting groove from its two ends with a tapered diameter toward the middle.

The clamping mechanism is used to clamp the elongated flat bulb steel 92 supported by the support roller 83 . Specifically, the clamping mechanism is higher than the support roller 83 in the height direction. The clamping mechanism includes two clamping balls 841 arranged oppositely, and the interval between the two clamping balls 841 is slightly larger than the thickness of the elongated flat bulb 92, allowing the elongated flat bulb 92 to pass through and restricting the The inclination of the elongated flat bulb 92 . In this embodiment, the clamping balls 841 are universal balls.

Specifically, in this embodiment, the support roller 83 is mounted on the support beam 811 through the mounting seat. The installation seat includes a bottom plate and side plates erected on both sides of the bottom plate. Each side plate has a first mounting portion and a second mounting portion located in the same plane, and the height of the first mounting portion is higher than that of the second mounting portion. Wherein, the supporting roller 83 is located between the two second mounting parts, and is rotatable relative to the mounting seat. The two clamping balls 841 correspond to the two first mounting portions one-to-one, and are disposed inside the first mounting portions.

The transport trolley 8 supports the elongated flat bulb 92 via the support rollers 83 , and restricts the inclination of the elongated flat bulb 92 on the support roller 83 by a clamping structure.

When the distance between the storage station and the installation station of the flat bulb is 3m to 10m, a transport trolley 8 cooperates with the two positioning trolleys 7 to jointly transport a lengthened flat bulb 92 . By pushing the elongated flat bulb 92, the elongated flat bulb 92 is extended from the storage station to the direction of the installation station; Steel 92; continue to push the extended flat bulb 92, keep the transport trolley 8 still, so that the extended flat bulb 92 continues to stretch out, and then clamp the extended flat bulb 92 through a positioning trolley 7 Continue to push the lengthened bulb 92, keep the transport trolley 8 still, the last positioning trolley 7 moves along with the extension of the lengthened bulb 92, and then clamps the length by a positioning trolley 7 Continue to push until the elongated flat bulb 92 is completely transported to the installation station of the flat bulb.

The transportation method in which the transport trolley 8 is close to the storage station is adopted, so that after one lengthened flat bulb 92 is transported, the transport trolley 8 moves laterally for a short distance, and the next lengthened bulb 92 can be transported. transportation.

Of course, the transport trolley 8 can also be pushed along with the elongated flat bulb steel 92 to move the transport trolley 8 to the installation position of the flat bulb steel. After transporting a lengthened flat bulb 92 , the transport trolley 8 is moved from the installation station of the bulb back to the storage station, and then the next lengthened bulb 92 is transported.

When the distance between the storage station and the installation station of the flat bulb steel is greater than 10m, a transport trolley 8 and a positioning trolley 7 are added to realize the transportation of the long butt-jointed flat bulb steel 92 .

The flat bulb steel extension production line receives and transports the flat bulb steel 91 through the two first feeding and conveying devices 1 , and the two second feeding and conveying devices 2 receive the flat bulb 91 conveyed by the corresponding first feeding and conveying device 1 , The cutting equipment located in the two second feeding and conveying equipment 2 cuts the flat bulb steel 91 to form a groove, and the welding equipment 4 receives the flat bulb 91 after cutting and welding and joins the two flat steel bulbs 91 to length. , the storage device 5 receives the elongated flat bulb 92 . That is, the flat bulb steel splicing production line firstly lengthens the flat bulb steel 91, and then transports the flat bulb 92 after the extension to the installation station of the flat bulb, and directly connects the flat bulb 92 for installation. There is no need for cutting and welding at the installation station for flat bulb steel, so this production line for flat bulb steel connection saves time and improves the efficiency of ship construction.

The present invention also provides a method for splicing flat bulb steel, comprising the following steps:

S1. Feed the two flat bulbs 91 to the two first receiving and conveying equipments 1 respectively.

Specifically, in this embodiment, the flat bulb steel 91 is hoisted to the two conveyor chains 12 of the first material receiving and conveying device 1 . The length direction of the flat bulb steel 91 extends in the longitudinal direction. The ends of the two flat bulbs 91 on the two first feeding and conveying devices 1 are opposite to each other.

S2. Transport the flat bulb 91 on the first material receiving and conveying equipment 1 to the corresponding second material receiving and conveying equipment 2 .

Specifically, the two conveyor chains 12 of the first splicing and conveying device 1 are driven to move synchronously in the lateral direction by the driving mechanism, and the flat bulb 91 is conveyed to the second splicing and conveying device 2 of the cutting station.

The conveyor chain 12 is moved in the transverse direction, and the flat bulb 91 is conveyed in the transverse direction.

The second feeding and conveying device 2 and the first feeding and conveying device 1 are overlapped in the lateral direction and the height direction is the same. Therefore, the flat bulb 91 on the first feeding and conveying device 1 is smoothly transported to the second feeding and conveying device. 2.

S3. Cut and process the ends of the flat bulb steels 91 on the two second feeding and conveying devices 2 by cutting equipment to form grooves.

Specifically, the cutting device cuts the end of the flat bulb 91 to cut the length of the flat bulb 91 to a preset length, and makes the end bevel and beveling of the flat bulb 91 meet preset requirements.

The second feeding and conveying device 2 and the first feeding and conveying device 1 are independent of each other, so that the feeding of the flat bulb 91 and the cutting of the flat bulb 91 are independent of each other, and can be performed simultaneously, thereby saving time.

By moving the flat bulb 91, the cutting equipment does not need to be moved, thus saving labor cost and operation time.

S4 , the flat bulb steel 91 cut and processed by the cutting equipment is transported to the welding equipment 4 through the second material receiving and conveying equipment 2 .

Specifically, the two conveyor chains 12 of the second splicing and conveying device 2 are driven to move synchronously in the lateral direction by the drive mechanism, and the flat bulb steel 91 is conveyed to the welding station.

The support frame 411 of the welding equipment 4 and the second material receiving and conveying equipment 2 are overlapped in the lateral direction, and the height of each supporting frame 411 is lower than that of the second material receiving and conveying equipment 2, so that the The flat bulb steel 91 falls onto the support platform 41 smoothly.

S5. Weld the grooves of the two flat bulbs 91 through the welding equipment 4 to realize the lengthening.

Specifically, the vertical roller 412 is lifted by the lifting mechanism 413 to push the flat bulb 91 to move in the longitudinal direction, so that the grooved ends of the two flat bulbs 91 are located on the fixing frame 421 of the welding tool 42, and the two flat bulbs 91 are adjusted. Gap between steel 91. Then, the vertical roller 412 is lowered by the lifting mechanism 413, and then the flat bulb 91 is pressed by the pressing mechanism 422, and the grooves of the two flat bulbs 91 are welded by the welding torch. Grind the welded joints.

By transporting the flat bulb steel 91 to the welding station, the welding tool 42 does not need to be moved, which not only saves labor costs, but also saves time.

S6. Transfer the elongated flat bulb 92 to the storage device 5 through the transfer mechanism.

Specifically, push the traverse mechanism to move the traverse trolley 621 to the top of the welding equipment 4, lower the hook 64 through the lifting mechanism, and hook the elongated flat bulb 92 through the hook 64; and then lift it through the lifting mechanism hook 64 and push the traverse trolley 621 to drive the elongated flat bulb 92 to move to the top of the storage rack 51 ;

When the elongated flat bulb 92 is located on the storage rack 51, the length of the elongated flat bulb 92 extends longitudinally, and the side of the elongated flat bulb 92 stands on the storage rack 51, that is, after the extension The web of the flat bulb steel 92 is arranged longitudinally and extends vertically, and the ball head is located at the top. The bottom end of the web is located in the accommodating groove of the bottom roller 512 and between the two side rollers 515 .

S7. Transport the elongated flat bulb steel 92 to the installation station of the flat bulb by using the positioning trolley 7 or the positioning trolley 7 and transporting and getting off the vehicle.

When the distance between the storage station and the flat bulb steel installation station is less than 3m, the lengthened flat bulb steel 92 is pushed from the storage station to the direction of the flat bulb steel installation station by pushing the lengthened flat bulb steel 92 out. When extending, the extended flat bulb 92 is clamped by the positioning trolley 7; The lengthened flat bulb steel 92; until the lengthened flat bulb steel 92 is completely transported to the installation station of the flat bulb steel.

When the distance between the storage station and the installation station of the flat bulb is 3m to 10m, a transport trolley 8 cooperates with the two positioning trolleys 7 to jointly transport a lengthened flat bulb 92 . By pushing the elongated flat bulb steel 92, the elongated flat bulb steel 92 is extended from the storage station to the direction of the installation station of the flat bulb. When extending, the extended flat bulb 92 is supported by the transport trolley 8; continue to push the extended flat bulb 92, keep the transport trolley 8 still, so that the extended flat bulb 92 continues to extend, and then Clamp the elongated flat bulb 92 by a positioning trolley 7; continue to push the elongated flat bulb 92, keep the transport trolley 8 still, and the last positioning trolley 7 follows the length of the elongated flat bulb 92 Extend and move, and then clamp the elongated flat bulb 92 by a positioning trolley 7; continue to push until the elongated flat bulb 92 is completely transported to the installation station of the bulb.

When the distance between the storage station and the installation station of the flat bulb steel is greater than 10m, a transport trolley 8 and a positioning trolley 7 are added to realize the transportation of the long butt-jointed flat bulb steel 92 .

After completing the transportation of the elongated flat bulb 92, move the clamping plate 74 away from the elongated flat bulb 92, so that the elongated flat bulb 92 is separated from the limit frame 73, and the positioning trolley 7 is moved upward. Lift and evacuate the positioning trolley 7, and prepare for the transportation of the next lengthened bulb 92.

In the method of lengthening the flat bulb steel, firstly, the two flat bulb steels 91 after feeding are cut to form a break, and then welded and lengthened, and then the flat bulb steel 92 after the lengthening is transported to the flat bulb steel installer. position, directly connect to the long bulb flat steel 92 for installation. There is no need to perform cutting processing and welding at the bulb flat steel installation station, so the bulb flat steel joining method saves time and improves the efficiency of ship construction.

While the present invention has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is of description and illustration, and not of limitation. Since the invention can be embodied in many forms without departing from the spirit or spirit of the invention, it is to be understood that the above-described embodiments are not limited to any of the foregoing details, but are to be construed broadly within the spirit and scope defined by the appended claims Therefore, all changes and modifications that come within the scope of the claims or their equivalents should be covered by the appended claims.

Claims (11)

1. a bulb flat steel extension production line, is characterized in that, comprises: The feeding station includes two first material receiving and conveying devices arranged in parallel and spaced apart along the longitudinal direction; The ends of the flat bulb steel on the first feeding and conveying equipment are opposite; The cutting station includes two second material receiving and conveying devices arranged corresponding to the first material receiving and conveying equipment and a cutting device arranged between the two second material receiving and conveying devices; the second material receiving and conveying equipment is used for In order to receive the flat bulb steel transported by the corresponding first feeding and conveying equipment and the flat bulb steel after being cut by the cutting equipment to be transported outward in the lateral direction, the cutting equipment is used for cutting and processing the flat bulb steel. end to form a groove; The welding station includes welding equipment arranged downstream of the second material receiving and conveying equipment to receive the cut two flat bulbs conveyed by the second material receiving and conveying equipment, and to weld the grooves of the two flat bulbs To connect long bulb flat steel; The storage station includes transfer equipment and storage equipment, the transfer equipment is used for transferring the long flat bulb steel from the welding equipment to the storage equipment, and the storage equipment is used for storing the long flat bulb steel . 2 . The bulb flat steel lengthening production line according to claim 1 , wherein the first splice conveying device and the second splice conveying device overlap in the transverse direction. 3 . 3. The bulb flat steel lengthening production line according to claim 1, characterized in that, the first material receiving and conveying equipment and the second material receiving and conveying equipment both comprise: Two brackets are arranged at intervals in parallel along the longitudinal direction; the length of each of the brackets extends in the transverse direction; Two conveying chains are arranged on the top of the bracket in one-to-one correspondence; the conveying chains are in a closed ring shape; The driving mechanism drives the two conveyor chains to move synchronously. 4. The bulb flat steel lengthening production line according to claim 1, wherein the welding equipment comprises two supporting platforms arranged in parallel and spaced apart in the longitudinal direction and a welding tool set between the two supporting platforms. The support platform receives the flat bulb steel conveyed by the corresponding second material receiving and conveying equipment, and the welding tool welds the grooves of the two flat bulb steels. 5. The bulb flat steel lengthening production line according to claim 1, wherein the storage equipment comprises: The base is arranged in the lateral extension direction of the welding equipment; A plurality of bottom rollers are arranged in parallel and spaced apart in the transverse direction and are located at one end of the longitudinal direction of the base; each of the bottom rollers rotates in the lateral direction, and the outer peripheral surface of each of the bottom rollers is provided with a ring for supporting the spherical flat steel. limit slot; A plurality of side idlers are arranged in parallel and spaced apart in the lateral direction, and are located at the other end of the base relative to the bottom roller, each side idler rotates vertically, and two adjacent side idlers are used for Supports a bulb of flat steel. 6. The bulb flat steel lengthening production line according to claim 1, wherein the transfer equipment comprises: a hanger, arranged above the storage device and extending to the top of the welding device; a traverse mechanism, which can be slidably arranged on the hanger, and can be moved to the top of the welding equipment or the storage equipment; a lifting mechanism, connected with the traverse mechanism and moving with the traverse mechanism; A plurality of hooks are arranged at intervals along the longitudinal direction; each hook is connected with the hoisting mechanism to be able to rise and fall, and the hooks are used for hooking the spherical flat steel. 7. The bulb flat steel lengthening production line according to any one of claims 1 to 6, characterized in that, further comprising a transport station; The transportation station includes a plurality of positioning trolleys, and the plurality of positioning trolleys sandwich the elongated flat bulbs along the longitudinal direction to transport the flat bulbs stored in the storage equipment to the installation station for the flat bulbs. . 8. The bulb flat steel lengthening production line according to claim 7, wherein the positioning trolley comprises: Position the frame with its bottom open; A plurality of universal wheels are arranged at the bottom of the positioning frame to drive the positioning frame to move; a limit frame is arranged in the positioning frame; the bottom of the limit frame is open to allow the spherical flat steel to enter the limit frame, and the opposite ends of the limit frame in the horizontal direction pass through, and allow the bulb flat bar to pass through the limit frame; One end of the clamping plate is hingedly connected with one side of the limit frame, and the other end can be close to or away from the other side of the limit frame, and clamps the spherical flat steel located in the limit frame. 9. The bulb flat steel lengthening production line according to claim 7, wherein the transport station further comprises a transport trolley; The transportation trolley is used to support the flat bulb steel. When transporting the elongated flat bulb steel, the transportation trolley and the positioning trolley are longitudinally spaced to transport the elongated flat bulb steel together. 10. The bulb flat steel lengthening production line according to claim 9, wherein the transport trolley comprises: transport frame; A plurality of universal wheels are arranged at the bottom of the transport frame to drive the transport frame to move; A support roller is arranged on the top of the transport frame; the axis of the support roller extends horizontally, and the outer peripheral surface of the support roller is provided with a support groove for supporting the flat bulb; The clamping mechanism is arranged on the top of the transport frame, and is located above the supporting rollers, so as to clamp the flat bulb steel located in the supporting grooves of the supporting rollers. 11. A method for lengthening flat bulb steel, characterized in that, adopting the flat bulb steel lengthening production line according to any one of claims 1-10, the method for lengthening flat bulb steel comprises: The two flat bulbs are respectively fed to the two first receiving and conveying equipment; conveying the flat bulb steel on the first receiving and conveying equipment to the corresponding second receiving and conveying equipment; Cut and process the ends of the bulb flat steel on the two second feeding and conveying devices by the cutting device to form grooves; conveying the flat bulb steel cut and processed by the cutting equipment to the welding equipment through the second feeding and conveying equipment; Weld the grooves of the two flat bulb steels by the welding equipment to realize the lengthening; The elongated flat bulb steel is transferred to the storage device by the transfer mechanism.

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