CN112547961A

CN112547961A - Automatic production method of steel-structure purline

Info

Publication number: CN112547961A
Application number: CN202011328564.XA
Authority: CN
Inventors: 曹茂兵; 郑梦云
Original assignee: Changfeng Wudao Intelligent Photoelectric Technology Co ltd
Current assignee: Changfeng Wudao Intelligent Photoelectric Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-03-26

Abstract

The invention relates to an automatic production method of a steel structure purline, which comprises the steps of guiding a steel pipe purline strip material into a bending mechanism, continuously bending the strip material, starting a purline forming device, performing notching operation on the outer walls of two sides of the purline, and guiding a formed purline blank into a purline cutting forming device; starting a positioning mechanism, a first cutting tool and a second cutting tool of the purline cutting and forming device to cut the purlines; guiding the cut purlins into a stacking device to stack the purlins; the method can effectively improve the production efficiency of the purline.

Description

Automatic production method of steel-structure purline

Technical Field

The invention relates to the field of steel structure production, in particular to an automatic production method of a steel structure purline.

Background

Steel constructs the purlin wide application in structure overlap joint is used, and the purlin is when in actual use, and the molding of purlin is mostly channel-section steel column structure, presses through indentation equipment at the surface of purlin and is equipped with molding such as strengthening rib. As shown in the combined drawings of fig. 1a and fig. 1b, the purlin with the structure comprises a groove-shaped cavity A, punching grooves a1 are formed in two sides of the cavity A, two sides of a pressing trace 1b are arranged on the outer side of the bottom of the cavity A, and when the purlin with the structure is applied, the purlin is pressed and connected from unloading of coil materials to pressing and connecting equipment and subjected to molding operation on the surface of the formed and connected purlin at intervals, so that the production efficiency of the purlin is low.

Disclosure of Invention

The invention aims to provide an automatic production method of steel purlines, which can effectively improve the production efficiency of the steel purlines.

The technical scheme adopted by the invention is as follows:

the production method of the steel purline comprises the following steps:

firstly, guiding a steel pipe purline strip material into a bending mechanism, and performing continuous bending operation on the strip material, so that a continuous channel steel-shaped structure formed by purlines is guided out to a purline forming device for punching a groove;

secondly, starting a purline forming device, performing notching operation on the outer walls of two sides of the purline and indentation operation on the outer side of the purline, and guiding the formed purline blank into a purline cutting forming device;

thirdly, starting a positioning mechanism of the purline cutting and forming device to position the purline cutting position, so that a first cutting tool and a second cutting tool of the purline cutting and forming device are positioned at the lateral positions of the purline notching position to perform the cutting operation on the purline;

fourthly, starting a first cutting tool and a second cutting tool of the purlin cutting and forming device to cut the trough plates on two sides of the purlin and the trough bottom plate, guiding the cut purlins into a stacking device, and stacking the purlins;

fifthly, guiding the cut purlins to stacked battens of the stacking device, enabling the stacked battens of the stacking device to rotate 180 degrees, guiding the other purlins to the stacked battens of the stacking device by a purlin cutting and forming device, and arranging the purlins;

sixthly, starting a rotating mechanism of the stacking device to rotate a stacking cover of the stacking device and enable a bundling head to perform bundling operation on purlins;

and seventhly, guiding out another purline by the purline cutting and forming device to guide out the purlines bundled together on the stacked ribbon boards.

The invention also comprises the following features:

the purlin cuts forming device is including cutting the shaping passageway, cut the shaping passageway and be parallel with purlin forming device's shaping pipeline and link up all around each other, cut and be provided with positioning mechanism in the shaping passageway, positioning mechanism is used for implementing the location to the purlin cuts the position, it cuts the cutter still to be provided with first cutter and second in the shaping passageway to cut, there is first cutter branch to put in the both sides of cutting the shaping passageway in order to implement the operation of cutting to purlin both sides frid position, the second cuts the cutter setting and cuts the operation in order to implement the operation of cutting to purlin tank bottom plate in the top position of cutting the shaping passageway.

When the positioning mechanism is used for positioning the cut-off position of the purline, the first cut-off cutter and the second cut-off cutter are started to cut off the groove plates on two sides of the purline and the groove bottom plate, and the first cut-off cutter and the second cut-off cutter move synchronously along with the purline.

The positioning mechanism comprises positioning heads arranged on two sides of the cut-off molding channel, the positioning heads are horizontal and perpendicular to the length direction of the cut-off molding channel, and the positioning heads move in opposite directions and are in splicing fit with grooves on two sides of a purline in the cut-off molding channel.

Cut shaping passageway horizontal slip and set up on cutting the track, cut the track and cut shaping passageway length direction parallel arrangement, it cuts reset spring to be provided with on the track to cut, cut reset spring's both ends respectively with cut orbital one end and cut the shaping passageway and support and lean on.

The whole shaft-like structure that is of location head and with cut the shaping passageway and constitute sliding fit, the pot head that the location head stretches out to cut the shaping passageway is equipped with positioning spring, positioning spring's both ends lean on with location head one end and the one side of cutting the shaping passageway respectively, the center of location head is provided with the pilot pin, the pilot pin constitutes the cooperation of pegging graft with the through-hole of the recess tank bottom of purlin both sides, the pilot pin slides and sets up in the center of location head, the centre bore of location head is the step form, the cover is equipped with the card and decides the spring on the pilot pin, card decides the spring and supports with the one end of pilot pin and the centre bore step department of location head and.

Cut the whole frid structure that is of shaping passageway, cut to be provided with in the shaping passageway and cut the shaping piece and cut the tank bottom and both sides clearance arrangement of shaping passageway, cut the shaping piece and cut the passageway that the clearance between the shaping passageway constitutes the purlin and passes through, the both sides of cutting the shaping piece are provided with dodges the first opening of dodging of first cutter, the bottom surface of cutting the shaping piece is provided with the second of dodging the second cutter and dodges the opening.

The utility model discloses a cutting tool, including the first shaping passageway that cuts, horizontal slide bar, vertical slide bar, horizontal slide bar.

A first cutting roller is arranged at one end, extending out of the cutting forming channel, of a horizontal sliding rod of the first cutting tool, a wheel core of the first cutting roller is horizontal and vertical to the length direction of the cutting forming channel, the outer side of the first cutting roller is abutted against a first cutting folded plate, a second cutting roller is arranged at one end, extending out of the cutting forming channel, of a vertical sliding rod of a second cutting spring, the wheel core of the second cutting roller is horizontal and vertical to the length direction of the cutting forming channel, the second cutting roller is abutted against a linkage folded plate, the linkage folded plate is horizontally and slidably arranged on a linkage rack, a linkage spring is sleeved at the end, extending out of the linkage rack, of the linkage folded plate, two ends of the linkage spring are respectively abutted against the linkage rack and the rod end of the linkage folded plate, a linkage roller is arranged at the rod end of the linkage folded plate, and abutted against the second cutting folded plate, the first cut-off folded plate and the second cut-off folded plate are vertical and are connected with a piston rod of the cut-off oil cylinder, and the cut-off oil cylinder is vertically arranged.

The one end that the location head stretches out to cut the shaping passageway is provided with positioning roller, positioning roller wheel center level just cuts the length direction parallel of shaping passageway, positioning roller's location folded plate supports and leans on, positioning folded plate and vertical arrangement and the lower extreme is connected with the piston rod of location cylinder, the piston rod of location cylinder is vertical to be arranged.

The stacking device comprises stacking blocks for guiding and conveying cut purlins, the stacking blocks are horizontally arranged and parallel to the length direction of a cut forming channel of the purlins cut forming device, the stacking blocks are turned over by 180 degrees, and turning shafts of the stacking blocks are horizontally arranged and parallel to the length direction of the stacking blocks.

The outer part of the stacking block is provided with a stacking cover, the outer wall of the stacking cover is provided with an aligning mechanism, the aligning mechanism drives the purlines on the stacking block to move along the width direction of the stacking block, and one side of the purlines is abutted against one side of the stacking block.

The middle section both sides position of piling the slat is provided with extends the extension board, be provided with the pile slide bar on the extension board, pile the slide bar and pile the slat and arrange perpendicularly and constitute sliding fit with pile cover.

And a bundling mechanism is arranged on the outer wall of the stacking cover and is used for bundling purlins on the stacking ribbon boards.

The stacking cover is provided with a bundling opening, the bundling opening is arranged along the circumferential direction of the stacking cover, the bundling mechanism comprises a bundling head arranged in the bundling opening, one end of the bundling head extends out of the bundling opening to be connected with a bundling belt feeding mechanism, the bundling belt feeding mechanism is used for guiding one end of a bundling belt out of the bundling head in a driving mode, the stacking cover is arranged on a rotating mechanism, and the rotating mechanism drives the stacking cover to rotate and the rotating axis to be parallel to the length direction of the stacking strips.

The utility model discloses a pile cover, including fold pile cover, rotatory pawl, reset torsion spring, drive gear and power gear meshing, fold the whole tubulose structure that is the rectangle for the cross-section of cover, rotary mechanism is including setting up the rotatory ratchet at fold pile cover outer wall, the rotatory axle center of rotatory ratchet arranges with folding the geometric centre of cover with one heart, rotatory ratchet and rotatory pawl cooperation, the one end of rotatory pawl sets up on a lateral wall of drive gear through rotating the rotary type, be provided with reset torsion spring in the pivot that rotatory pawl and drive gear are connected, reset torsion spring makes rotatory pawl take up and establishes on rotatory ratchet, drive gear arranges with rotatory pawl is concentric, drive gear and power gear meshing, power gear is connected with power motor.

The stacking cover is provided with a self-reset rack close to the outer walls of the two ends, the self-reset rack extends outwards along the four corners of the stacking cover, the extending end of the self-reset rack is provided with a reset roller, the wheel core of the reset roller is arranged in parallel with the tube core of the stacking cover, the reset roller is arranged on a reset circular rail, and the circle center of the reset circular rail coincides with the geometric center of the stacking cover.

The four corners of the stacked cover are arranged on the turnover plate, the turnover plate extends outwards along the four corners of the stacked cover, a turnover roller is arranged beside one turnover plate, the turnover roller is arranged in parallel with the tube core of the stacked cover, the wheel carrier of the turnover roller is connected with the piston rod of the turnover oil cylinder, and the piston rod of the turnover oil cylinder is arranged vertically.

The alignment mechanism comprises an alignment head which is arranged on one side wall of the stacking cover in a sliding mode, the alignment head is perpendicular to the length direction of the stacking cover, one end of the alignment head extends into a tube cavity of the stacking cover, an alignment spring is sleeved on the alignment head extending out of the stacking cover, two ends of the alignment spring are respectively abutted against the alignment head and the stacking cover, an alignment roller is arranged at one end of the alignment head, the alignment roller is parallel to the length direction of the stacking cover, the alignment roller is abutted against or separated from an alignment cambered surface, and when the alignment roller is abutted against the alignment cambered surface, the alignment head extends into the tube cavity of the stacking cover and is close to one side of a stacking strip plate.

The first rotary type of strapping head sets up on first bundle cantilever, the one end that cantilever was tied up to first bundle cantilever and second is articulated, the articulated shaft that cantilever was tied up to first bundle cantilever and second is parallel with the length direction who folds the cover, strapping feed mechanism sets up on the cantilever is tied up to the second, the cover is equipped with first torsional spring on the articulated shaft that cantilever was tied up to first bundle cantilever and second, first torsional spring makes first bundle cantilever keep away from folding the cover.

The side of strapping head is movable is provided with anti-sticking roller, anti-sticking roller and strapping head parallel arrangement, anti-sticking roller is used for leading out the strapping tape to strapping head overhead and adsorb.

The side of the anti-sticking roller is also provided with a glue coating head, the glue coating head is connected with a glue solution guiding device through a pipeline, and the glue solution guiding device is used for spraying the glue solution on one side of the strapping tape.

The other end of the second bundling cantilever is hinged to the rack, a second torsion spring is arranged at the hinged end of the second bundling cantilever and the rack, and the second torsion spring enables the second bundling cantilever to be far away from the stacking cover.

The second bundling cantilever is provided with a bundling connecting rod, the bundling connecting rod is hinged to a piston rod of a bundling oil cylinder, a hinged shaft of the bundling oil cylinder is arranged on the rack, and two ends of the bundling oil cylinder are parallel to the length direction of the stacking cover.

The invention has the technical effects that: when implementing this steel structure purlin production, utilize purlin forming device to implement and press the department of establishing molding or strengthening rib to continuous frid form purlin blank surface and bottom to derive to the purlin and cut off in the forming device, the purlin cuts off forming device and implements and cut continuous type purlin, and the shaping goes out single segmental purlin, and this method can effectively improve the production efficiency of this purlin.

Drawings

FIGS. 1a and 1b are schematic views of purlins from two perspectives;

FIGS. 2 and 3 are front and left side views, respectively, of a purlin forming apparatus;

FIGS. 4, 5 and 6 are schematic views of the purlin forming apparatus from three different perspectives;

fig. 7 and 8 are schematic views of the purlin forming apparatus from two perspectives in partial configuration;

FIG. 9 is a schematic cross-sectional view of a punch head engaged with a forming tube in a purlin forming apparatus;

fig. 10 and 11 are schematic views of two visual structures of the purlin truncation forming device;

fig. 12 and 13 are front and left side views, respectively, of a purlin section forming device;

fig. 14 and 15 are schematic views of a part of the structure of a purlin truncation forming device from two perspectives;

FIG. 16 is a schematic view of a portion of the positioning head of the purlin section forming device engaged with a section forming channel;

FIG. 17 is a schematic cross-sectional view of FIG. 16;

fig. 18 and 19 are schematic views from two different perspectives of another part of the structure of the purlin truncation forming device;

FIG. 20 is a schematic view of a cut-off form block in the purlin cut-off forming device;

figures 21 and 22 are schematic views of the stacking apparatus from two different perspectives;

figures 23 and 24 are front and top views of the stacking apparatus;

FIGS. 25 and 26 are two schematic views of the binding mechanism in the stacking apparatus;

figures 27 and 28 are schematic views from two perspectives of a portion of the structure in a stacking apparatus;

figures 29 and 30 are schematic views from two perspectives of a part of the construction of the stacking apparatus with the stacking apparatus cut away from the middle.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, legibility and inconsistency;

specific features of the steel purlin production system are described in detail below with reference to fig. 1 to 30:

the steel structure purlin production system comprises a purlin forming device, wherein the purlin forming device 300 is used for implementing continuous forming operation on purlins, an outlet of the purlin forming device 300 is connected with a feed inlet of a purlin cutting and forming device 400, and the purlin cutting and forming device 400 is used for cutting the cut purlins into isometric segmental structures; the outlet of the purlin cutting and forming device 400 is connected with the feed inlet of the stacking device 500, and the stacking device 500 is used for stacking purlins;

when implementing this steel structure purlin production, utilize purlin forming device 300 to implement and press to establish a molding or strengthening rib to continuous frid form purlin blank surface and bottom to derive to the purlin and cut forming device 400 in, the purlin cuts forming device 400 and implements and cut continuous type purlin, and the shaping goes out single segmental form purlin, and this system can effectively improve the production efficiency of this purlin.

In order to stack the formed purlins, the occupied space of the purlins is possibly reduced, an outlet of the purlin cutting and forming device 400 is connected with a feed inlet of the stacking device 500, and the stacking device 500 is used for stacking the purlins;

the purlin is followed the purlin and is cut off the back that the forming device 400 export was derived to derive to piling up device 500 in, pile up device 500 and implement the pile up operation to the purlin, and then reduce the occupation space of purlin, avoid the purlin to present scattered indiscriminate state and derive.

The specific structure and action principle of the purlin forming device 300 are described in detail below, the purlin forming device 300 comprises a forming pipeline 310, the inner wall of the forming pipeline 310 is provided with an indentation unit, the indentation unit performs indentation operation on a groove plate outer side plate where the bottom of a purlin in the forming pipeline 310 is located, the outer wall of the forming pipeline 310 is further provided with a punching unit, and the punching unit performs punching indentation operation on groove plates on two sides of the purlin in the forming pipeline 310;

after the above-mentioned purlin bending operation, derive to in the shaping pipeline 310, start the indentation unit, implement the shaping operation to the tank bottom plate outside of purlin, and then make the purlin outer wall can form effectual strengthening rib, improve the intensity of purlin to the punching indentation unit is implemented and is opened the indentation operation to the punching of purlin both sides frid position in the shaping pipeline 310, forms the fixed mounting hole of purlin, with the use of convenient purlin.

Preferably, the punching unit moves along the length direction of the formed pipe 310, and when the punching unit performs punching indentation operation on the groove plates on two sides of the purlin in the formed pipe 310, the punching unit moves synchronously along with the movement of the purlin;

when implementing the indentation unit and implementing the indentation shaping operation to the tank bottom outside of purlin, the unit of punching a hole can follow the purlin and remove and synchronous movement, when can realizing punching a hole the indent to the purlin, can also avoid systematic stopping for the purlin keeps the state of removing to remove forward, thereby implements the serialization molding operation to the chain.

More specifically, the forming pipeline 310 is integrally in a channel-steel plate-shaped structure, a forming block 311 is arranged in a cavity of the forming pipeline 310, a gap is arranged between the forming block 311 and the forming pipeline 310 and forms a channel through which a bottom plate of a purline passes, the indentation unit comprises an indentation head 320 arranged at the bottom of the forming pipeline 310, and the indentation head 320 extends out of the bottom of the forming pipeline 310 and is abutted against or separated from the bottom of the purline;

when the operation of molding ribs on the outer side of the bottom plate of the purlin groove is implemented, the indentation heads 320 extend out of the bottom position of the molding pipeline 310 and abut against the bottom of the purlin groove, and along with the movement of the purlin, the operation of molding the outer side of the bottom of the purlin groove can be effectively implemented.

More preferably, the lower plate surface of the molding block 311 is provided with an avoiding groove 3111, the bottom of the molding pipeline 310 is provided with an avoiding opening 312, the whole indentation head 320 is of a knife wheel-shaped structure, the wheel center is perpendicular to the molding pipeline 310, and the indentation head 320 extends out of the avoiding opening 312 and is close to or far away from the avoiding groove 3111;

when the indentation head 320 extends out of the bottom of the molding pipe 310 and then extends into the avoiding groove 3111, the molding indentation operation on the bottom plate of the purlin is performed.

Further, one end of the wheel frame of the indentation head 320 is arranged on the indentation shaft rod 321 through a connecting rod, the indentation shaft rod 321 is horizontal and vertical to the length direction of the forming pipeline 310, two ends of the indentation shaft rod 321 are rotatably arranged on the indentation frame 322, the end of the indentation shaft rod 321 extending out of the indentation frame 322 is sleeved with a reset torsion spring 3211, and two ends of the reset torsion spring 3211 are respectively connected with the indentation shaft rod 321 and the indentation frame 322;

when the operation of indenting the outer wall of the bottom of the purlin is implemented, the indenting shaft rod 323 rotates, so that the indenting head 320 is linked to stretch out of the bottom of the formed pipeline 310 and abut against the bottom of the purlin, and the indenting head 320 is far away from the bottom of the formed pipeline 310 under the reset force of the reset torsion spring 3211.

More specifically, in order to make the indentation imprint on the outer side of the bottom plate of the purlin groove clear, the indentation is deep enough and the indentation rebound is avoided, a sliding sleeve 3201 is arranged at one end of a wheel carrier of the indentation head 320, the cross section of an inner hole of the sliding sleeve 3201 is in a cross shape, the sliding sleeve 3201 is slidably arranged on an indentation shaft rod 321, the cross section of the indentation shaft rod 321 is enclosed by the sliding sleeve 3201, an indentation spring 323 is sleeved on the indentation shaft rod 321, two ends of the indentation spring 323 are respectively abutted against the indentation shaft rod 321 and the sliding sleeve 3201, an indentation ball 3203 is arranged on the wheel carrier of the indentation head 320, the indentation ball 3203 is abutted against an indentation arc surface 3204, and the indentation arc surface 3204 is fixed with the indentation;

when indentation axostylus axostyle 321 pivoted in-process, indentation ball 3203 leans on with indentation cambered surface 3204, and then makes indentation head 320 produce micro-removal along indentation axostylus axostyle 321, and the range of movement is between 2 to 8mm probably for the indentation is clear, and the indentation degree of depth is enough, avoids the indentation to produce and kick-backs and reset.

More specifically, a gap between two sides of the forming block 311 and two sides of the forming pipe 310 forms a passage through which two sides of the purlin pass, a groove 3112 is arranged on the forming block 311, the punching unit comprises punching heads 330 arranged on two sides of the forming pipe 310, the punching heads 330 are horizontal and perpendicular to the length direction of the forming pipe 310, the punching heads 330 on two sides move in opposite directions and perform a groove pressing and punching operation on groove plates on two sides of the purlin;

when the operation of molding two sides of the purlin in the molding pipeline 310 is implemented, the punching heads 330 at two sides move towards each other and abut against two sides of the purlin, and extend into the groove 3112 arranged on the molding block 311, so that the effectiveness of slotting the groove plates at two sides of the purlin is ensured.

Preferably, in order to perform the hole opening operation on the bottoms of the grooves on the two sides of the purlin, the notching head 330 is integrally in a rod-shaped structure, a perforating rod 331 is arranged at the center of the notching head 330, the perforating rod 331 is parallel to the notching head 330, and the notching head 330 moves horizontally and is linked with the perforating rod 331 to move horizontally so as to perform the punching operation on the bottom of the pressing groove;

specifically, in order to discharge the waste material after the hole is opened from the forming block 311, a through hole for punching the hole of the punching rod 331 is arranged at the bottom of the groove 3112 of the forming block 311, a discharge channel 3113 is arranged at the bottom of the through hole, and an outlet of the discharge channel 3113 is vertically downward and discharges the slag;

after the punching rod 331 punches the groove walls on both sides of the purlin, the waste is pushed out of the discharge passage 3113 by the punching rod 331 and discharged.

Specifically, the notching head 330 is horizontally and slidably arranged at two sides of the forming pipeline 310, punching springs 332 are arranged at two sides of the notching head 330 extending out of the forming pipeline 310, two ends of each punching spring 332 are respectively abutted against a rod end of the notching head 330 and one side of the forming pipeline 310, the punching rod 331 and the notching head 330 form a sliding fit, a rod end of the punching rod 331 and two sides of the forming pipeline 310 form a sliding fit in the horizontal direction, a punching spring 333 is sleeved on a rod body of the punching rod 331 extending out of the forming pipeline 310, and two ends of the punching spring 333 are respectively abutted against a rod end of the punching rod 331 and the forming pipeline 310;

when the punching rod 331 and the notching head 330 are horizontally driven, a notching extrusion wheel 3301 is arranged at one end of the notching head 330 extending out of the forming pipe 310, the wheel core of the notching extrusion wheel 3301 is horizontal and parallel to the length direction of the forming pipe 310, the outer side of the notching extrusion wheel 3301 abuts against a notching folded plate 3302, two groups of perforating pinch rollers 3311 are arranged at one end of the punching rod 331 extending out of the forming pipe 310, the wheel cores of the two groups of perforating pinch rollers 3311 are horizontal and parallel to the length direction of the forming pipe 310, a perforating folded plate 3312 is arranged between the two groups of perforating pinch rollers 3311, two sides of the perforating folded plate 3312 abut against the two groups of perforating pinch rollers 3311 respectively, the perforating folded plate 3312 and the notching folded plate 3302 are connected with an indentation shaft lever 321 through a linkage mechanism respectively, and the indentation shaft lever 321 rotates and links the perforating folded plate 3312 and the notching folded plate 3302 to vertically move;

foretell indentation axostylus axostyle 321 rotates and interlock punching folded plate 3312 and notching folded plate 3302 vertical migration to interlock punching head 330 horizontal migration and the horizontal migration of pole 331 of punching in proper order, and then implement the indentation to the cell wall of purlin both sides and the operation of punching, after indentation and the operation of punching finish, punching folded plate 3312 and punching folded plate 3302 reset, under the spring 332 that punches a hole and the reset force of spring 333 that punches a hole, make punching head 330 and pole 331 reset, ensure the normal current of purlin, and implement the operation of punching to the next position in purlin surface.

The punching folded plate 3312 and the notching folded plate 3302 are connected into a whole by a connecting plate 334, the connecting plate 334 is vertically and slidably disposed on the punching frame, the linkage mechanism includes a linkage plate 3341 sleeved on the indentation shaft 321, the linkage plate 3341 is vertically disposed with the indentation shaft 321, the linkage plate 3341 abuts against a linkage roller 3342, a vertical sliding rod is disposed on a wheel carrier of the linkage roller 3342, a linkage spring 3343 is sleeved on the vertical sliding rod, the vertical sliding rod and a linkage sliding sleeve 3345 form a sliding connection, two ends of the linkage spring 3343 abut against the linkage roller 3342 and one end of the linkage sliding sleeve 3345 respectively, a driving cylinder 3344 is disposed at the upper end of the linkage sliding sleeve 3345, and the driving cylinder 3344 is vertically connected with the connecting plate 334;

when implementing the operation of face indentation under the purlin, actuating cylinder 3344 starts, interlock gyro wheel 3342 moves down and leans on with interlock board 3341, interlock indentation axostylus axostyle 321 rotates, thereby implement the indentation operation to the purlin bottom surface, and compress interlock spring 3343, make connecting plate 334 continue to move down, thereby interlock perforating rod 331 and notching head 330 horizontal migration, when implementing the shaping operation of punching the groove to the purlin both sides indent, the purlin is along with shaping pipeline 310 synchronous motion, after the interlock mechanism resets and the indentation head 320 resets, shaping pipeline 310 resets, in order to implement the shaping operation to the other one position of purlin.

Specifically, in order to enable the molded pipe 310 to move along with the movement of the purlin, the molded pipe 310 is horizontally and slidably disposed on the molded rail 340, the molded rail 340 is arranged in parallel with the length direction of the molded pipe 310, a molded return spring 341 is disposed on the molded rail 340, the molded return spring 341 is parallel to the molded rail 340, and two ends of the molded return spring abut against one end of the molded rail 340 and the molded pipe 310.

The following describes how a continuously produced purlin is cut in detail, the purlin cutting and forming device 400 comprises a cutting and forming channel 410, the cutting and forming channel 410 is parallel to and mutually connected with a forming pipeline 310 of the purlin forming device 300 front and back, a positioning mechanism is arranged in the cutting and forming channel 410 and used for positioning a cutting position of the purlin, a first cutting tool 420 and a second cutting tool 460 are further arranged in the cutting and forming channel 410, the first cutting tool 420 is respectively arranged at two sides of the cutting and forming channel 410 to perform cutting operation on groove plate positions at two sides of the purlin, and the second cutting tool 460 is arranged at a position above the cutting and forming channel 410 to perform cutting operation on groove plate bottoms of the purlins;

when the operation is cut off to the purlin in the implementation, the locating unit is at first implemented and is fixed a position to the position of cutting off of serialization purlin, and then first cutter 420 and the second cutter 460 of cutting off start, implement respectively to the operation of cutting off of the purlin both sides frid of the both sides position of cutting off shaping passageway 410, and to the operation of cutting off of the purlin groove bottom plate of the top position of cutting off shaping passageway 410, and then make the purlin can the shaping cut off isometric purlin operation.

When the operation of cutting the purlines is implemented, the positioning mechanism is used for positioning the cutting positions of the purlines, the first cutting tool 420 and the second cutting tool 460 start to implement the operation of cutting the groove plates on the two sides of the purlines and the groove bottom plate, and the first cutting tool 420 and the second cutting tool 460 synchronously move along with the purlines;

the first and

second cutting tools

420 and 460 move synchronously with the purlines, so that the first and

second cutting tools

420 and 460 are relatively stationary with respect to the purlines, thereby ensuring the reliability of cutting the purlines.

More specifically, when the cutting operation is performed on the cutting position on the purline, the positioning mechanism comprises positioning heads 430 arranged on two sides of the cutting forming channel 410, the positioning heads 430 are horizontal and vertical to the length direction of the cutting forming channel 410, and the positioning heads 430 move in opposite directions and are in insertion fit with grooves on two sides of the purline in the cutting forming channel 410;

when the positioning heads 430 move in opposite directions and are in splicing fit with grooves on two sides of a purline in the cutting and forming channel 410, the purline cutting and forming device 400 can start the first cutting tool 420 and the second cutting tool 460 along with the purline synchronous movement, so that the cutting operation on the purline where the positioning points are located can be implemented, and the purline can be cut into finished products with equal length.

Preferably, it sets up on cuting track 440 to cut shaping passageway 410 horizontal slip, cuting track 440 and cuting shaping passageway 410 length direction parallel arrangement, it is provided with on cuting track 440 and cuts reset spring 441, the both ends of cutting reset spring 441 respectively with the one end of cuting track 440 and cut shaping passageway 410 and lean on.

More specifically, the positioning head 430 is integrally of a rod-shaped structure and forms a sliding fit with the cut-off forming channel 410, one end, extending out of the cut-off forming channel 410, of the positioning head 430 is sleeved with a positioning spring 4311, two ends of the positioning spring 4311 respectively abut against one end of the positioning head 430 and one side of the cut-off forming channel 410, the center of the positioning head 430 is provided with a positioning needle 432, the positioning needle 432 and a through hole at the groove bottom of the groove at two sides of the purlin form a splicing fit, the positioning needle 432 is slidably arranged in the center of the positioning head 430, the center hole of the positioning head 430 is step-shaped, the positioning needle 432 is sleeved with a clamping spring 4321, and the clamping spring 4321 abuts against one end of the positioning needle 432 and the step of the center hole of the;

for the implementation to the location operation of purlin both sides, foretell location head 430 slides and stretches into the recess of purlin along shaping passageway 410, the realization is to the joint of purlin, foretell pilot pin 432 is under the elastic restoring force of card spring 4321 for in the pilot pin 432 stretches into the through-hole of recess, thereby it is fixed to take in the joint to the purlin, then whole shaping passageway 410 of cuting is along cuting track 440 synchronous motion, make first cutter 420 and the second of cuting cut cutter 460 and purlin static relatively, in order to implement the shaping operation of cuting to the purlin.

More specifically, when the operation of cutting a purlin is performed, the whole cut-off molding channel 410 is of a trough plate-shaped structure, a cut-off molding block 450 is arranged in the cut-off molding channel 410, the cut-off molding block 450 and the bottom and two sides of the cut-off molding channel 410 are arranged in a clearance manner, the clearance between the cut-off molding block 450 and the cut-off molding channel 410 forms a channel through which the purlin passes, first avoidance openings 451 which avoid the first cut-off tool 420 are arranged on two sides of the cut-off molding block 450, and second avoidance openings 452 which avoid the second cut-off tool 460 are arranged on the bottom surface of the cut-off molding block 450;

the first cutting tool 420 extends into the first avoiding opening 451, and the avoiding second cutting tool 460 extends into the second avoiding opening 452, so that the tools are avoided, and reliable stage operation of purlins can be ensured.

Preferably, the knife back of the first cutting knife 420 is slidably disposed at two side positions of the cutting forming channel 410 through horizontal sliding bars, a first cut-off spring 421 is sleeved on the shaft body of the horizontal sliding rod extending out of one side of the cut-off molding channel 410, the two ends of the first cut-off spring 421 are respectively abutted against the end of the horizontal sliding rod and one side of the cut-off forming channel 410, the knife back of the second cutting tool 460 is slidably disposed at the bottom of the channel of the cutting forming channel 410 through a vertical sliding rod, a second cut-off spring 461 is sleeved on the rod body of the vertical slide rod extending out of the bottom of the cut-off molding channel 410, two ends of the second cut-off spring 461 are respectively abutted against the rod end of the vertical slide rod and the groove bottom of the cut-off molding channel 410, the horizontal sliding rod and the vertical sliding rod are respectively connected with a cutting driving mechanism, and the cutting driving mechanism drives the horizontal sliding rod and the vertical sliding rod to slide on the cutting forming channel 410;

the cutting driving mechanism is started, and the horizontal sliding rod and the vertical sliding rod are positioned on the cutting forming channel 410 to slide, so that the purline in the cutting forming channel 410 is cut.

More specifically, to drive the first cutting tool 420 and the second cutting tool 460, a first cutting roller 422 is disposed at one end of the horizontal sliding rod of the first cutting tool 420 extending out of the cutting forming channel 410, a wheel core of the first cutting roller 422 is horizontal and vertical to the length direction of the cutting forming channel 410, an outer side of the first cutting roller 422 abuts against the first cutting flap 423, one end of the vertical sliding rod of the second cutting spring 461 extending out of the cutting forming channel 410 is disposed with a second cutting roller 462, a wheel core of the second cutting roller 462 is horizontal and vertical to the length direction of the cutting forming channel 410, the second cutting roller 462 abuts against a linking flap 463, the linking flap 463 is horizontally slidably disposed on the linking frame, a linking spring 4631 is sleeved at one end of the linking flap 463 extending out of the linking frame, two ends of the linking spring 4631 abut against the linking frame and a rod end of the linking flap 463, a linkage roller 4632 is arranged at the rod end of the linkage flap 463, the linkage roller 4632 abuts against the second cut-off flap 464, the first cut-off flap 423 and the second cut-off flap 464 are vertical and are connected with a piston rod of the cut-off cylinder 470, and the cut-off cylinder 470 is vertical;

the truncation cylinder 470 is started to make the first truncation flap 423 and the second truncation flap 464 vertically move, and then make the first truncation cutter 420 and the second truncation cutter 460 vertically and horizontally move, so as to implement the truncation operation on the purlins.

More specifically, the one end that positioning head 430 stretches out and cuts shaping passageway 410 is provided with positioning roller 433, positioning roller 433 wheel center level just cuts the length direction parallel of shaping passageway 410, positioning flap 434 of positioning roller 433 supports and leans on, positioning flap 434 with vertical arrangement and lower extreme are connected with the piston rod of location cylinder 435, the piston rod of location cylinder 435 vertical arrangement.

When purlins are cut to be equal in cost, the stacking device 500 comprises stacking blocks 510 for guiding the cut purlins, the stacking blocks 510 are horizontal and are arranged in parallel with the length direction of a cutting forming channel 410 of the purlin cutting forming device 400, the stacking blocks 510 turn over for 180 degrees, and the turning shafts of the stacking blocks 510 are horizontal and are arranged in parallel with the length direction of the stacking blocks 510;

the purlin is followed the purlin and is cutd off the back of deriving of forming device 400 to derive to piling up piece 510 on, utilize piling up piece 510 to implement the overlap joint operation to the purlin, then piling up piece 510 presents 180 upsets, and then make the purlin down, new purlin is taken up and is established in piling up piece 510 top position, the notch of two sets of purlins is relative, and wherein a set of purlin cell wall is located another set of purlin notch, a set of cell wall is located the outside in addition, in order to implement accomodating to the purlin, reduce the space that the purlin was arranged and is taken up.

More specifically, in order to effectively support, connect and turn over the purlin, a stacking cover 520 is arranged outside the stacking block 510, an alignment mechanism is arranged on the outer wall of the stacking cover 520, the alignment mechanism drives the purlin on the stacking block 510 to move along the width direction of the stacking block 510, and one side of the purlin abuts against one side of the stacking block 510;

the mechanism that aligns starts, implements the drive to purlin one side for the purlin removes along the width direction of piling up piece 510, and then makes notch one side of purlin fix a position, when making to the purlin of piling up piece 510 opposite side lead-in, makes the purlin can be relative according to the notch of two sets of purlins, and wherein a set of purlin cell wall is located another a set of purlin notch, and the mode that a set of cell wall is located the outside in addition is packed and is accomodate the operation.

Furthermore, extension support plates 511 are arranged at two sides of the middle section of the stacking slat 510, a stacking slide bar 512 is arranged on each extension support plate 511, and the stacking slide bar 512 is vertically arranged with the stacking slat 510 and forms sliding fit with the stacking cover 520;

in order to ensure that purlins are erected at positions above the turned-over stacking strips 510, the stacking slide bars 512 are in sliding fit along the stacking covers 520, so that the stacking strips 510 are lowered to the lower end position, and the turned-over purlins are located between the stacking strips 510 and the stacking covers 520, so that stacking operation of the purlins is performed, and stable and effective material receiving operation of the purlins is performed.

To ensure that the two sets of purlins are effectively fixed together, the outer wall of the stacking cover 520 is provided with a bundling mechanism which performs a bundling operation on the purlins on the stacking strip plate 510;

can effectively realize tying up effectively to two purlins through tying up the mechanism, and then make two purlins can fix in an organic whole.

Specifically, when the purlin is bound, the stacking cover 520 is provided with a binding opening 521, the binding opening 521 is arranged along the circumferential direction of the stacking cover 520, the binding mechanism comprises a binding head 530 arranged in the binding opening 521, one end of the binding head 530 extends out of the binding opening 521 and is connected with a binding tape feeding mechanism, the binding tape feeding mechanism is used for guiding one end of the binding tape to the driving binding head 530, the stacking cover 520 is arranged on a rotating mechanism, the rotating mechanism drives the stacking cover 520 to rotate, and the rotating axis is parallel to the length direction of the stacking blocks 510;

when the operation is tied up to the purlin in the implementation, strapping feed mechanism derives the strapping to on strapping 530, strapping 530 stretches into in tying up opening 521, start rotary mechanism for pile cover 520 and pile piece 510 are rotatory, thereby make the strapping can effectively tie up on tying up the purlin in opening 521, and then implement the operation of tying up to the purlin, make two sets of purlins can effectually combine together, and derive from pile cover 520, put things in good order to the purlin in order to implement.

More specifically, the stacking cover 520 is integrally formed in a tubular structure with a rectangular cross section, the rotating mechanism includes rotating ratchet teeth 522 arranged on the outer wall of the stacking cover 520, the rotating axis of the rotating ratchet teeth 522 is concentrically arranged with the geometric center of the stacking cover 520, the rotating ratchet teeth 522 are matched with a rotating pawl 5231, one end of the rotating pawl 5231 is rotatably arranged on one side wall of a driving gear 523, a reset torsion spring is arranged on a rotating shaft connecting the rotating pawl 5231 and the driving gear 523, the reset torsion spring enables the rotating pawl 5231 to be arranged on the rotating ratchet teeth 522, the driving gear 523 and the rotating pawl 5231 are concentrically arranged, the driving gear 523 is meshed with a power gear 524, and the power gear 524 is connected with a power motor 525;

when the stacking cover 520 is rotated, the power motor 525 is started, so that the driving gear 523 rotates by interlocking the rotating ratchet 522 with the rotating pawl 5231, and the stacking cover 520 is rotated in an interlocking manner, so as to perform the operation of bundling the purlins;

in order to realize the self-resetting of the stacking cover 520 and implement the carrying of a new purlin, the stacking cover 520 is provided with self-resetting frames 526 close to the outer walls of two ends, the self-resetting frames 526 extend outwards along four corners of the stacking cover 520, the extending end of each self-resetting frame 526 is provided with a resetting roller 5261, the wheel core of each resetting roller 5261 is arranged in parallel with the tube core of the stacking cover 520, each resetting roller 5261 is arranged on a resetting circular rail 527, and the circle center of each resetting circular rail 527 is overlapped with the geometric center of the stacking cover 520;

when the power motor 525 is started fast enough, the stacking cover 520 can be linked to rotate on the reset circular rail 527, and after the power of one end of the power motor 525 is interrupted, the stacking cover 520 can be automatically reset to the state shown in the figure under the self-weight reset force of the stacking cover 520, so that the carrying operation of a new purlin is implemented.

When the rotation operation of the stacking cover 520 is performed by 180 °, four corners of the stacking cover 520 are disposed on the turning plate 528, the turning plate 528 extends outwards along the four corners of the stacking cover 520, one turning roller 5281 is disposed beside one turning plate 528, the turning roller 5281 is disposed in parallel with the tube core of the stacking cover 520, the wheel carrier of the turning roller 5281 is connected to the piston rod of the turning cylinder 5282, and the piston rod of the turning cylinder 5282 is disposed vertically.

To align purlins on one side of the stacking strip plate 510, the aligning mechanism comprises an aligning head 529 slidably arranged on one side wall of the stacking cover 520, the aligning head 529 is perpendicular to the length direction of the stacking cover 520, one end of the aligning head 529 extends into a tube cavity of the stacking cover 520, an aligning spring 5291 is sleeved on the shaft of the aligning head 529 extending out of the stacking cover 520, two ends of the aligning spring 5291 are abutted against the aligning head 529 and the stacking cover 520 respectively, one end of the aligning head 529 is provided with an aligning roller 5292, the aligning roller 5292 is parallel to the length direction of the stacking cover 520, the aligning roller 5292 is abutted against or separated from the aligning cambered surface 5293, and when the aligning roller 5292 is abutted against the aligning cambered surface 5293, the aligning head 529 extends into the tube cavity of the stacking cover 520 and is close to one side of the stacking strip plate 510.

Specifically, when the operation of bundling purlins by using a bundling belt is performed, the bundling head 530 is rotatably disposed on a first bundling cantilever 531, the first bundling cantilever 531 is hinged to one end of a second bundling cantilever 532, a hinged shaft of the first bundling cantilever 531 and the second bundling cantilever 532 is parallel to the length direction of the stacking cover 520, the bundling belt feeding mechanism is disposed on the second bundling cantilever 532, a first torsion spring 533 is sleeved on the hinged shaft of the first bundling cantilever 531 and the second bundling cantilever 532, and the first torsion spring 533 enables the first bundling cantilever 531 to be away from the stacking cover 520.

In order to conduct the guiding of the strapping tape and ensure that the purlins can be effectively adhered to the purlins so as to ensure the bundling reliability of the purlins, an anti-sticking roller 534 is movably arranged beside the bundling head 530, the anti-sticking roller 534 is arranged in parallel with the bundling head 530, and the anti-sticking roller 534 is used for guiding the strapping tape out of the bundling head 530 and adsorbing the strapping tape.

More specifically, an adhesive applying head 535 is further disposed beside the release roller 534, and the adhesive applying head 535 is connected to an adhesive solution guiding device through a pipeline, and the adhesive solution guiding device is used for spraying the adhesive solution on one side of the strapping tape.

Specifically, the other end of the second bundling cantilever 532 is hinged to the rack, and a second torsion spring 536 is disposed at the hinged end of the second bundling cantilever 532 and the rack, and the second torsion spring 536 keeps the second bundling cantilever 532 away from the stacking cover 520.

The second bundling cantilever 532 is provided with a bundling connecting rod, the bundling connecting rod is hinged with a piston rod of a bundling oil cylinder 537, a hinged shaft of the bundling oil cylinder 527 is arranged on the rack, and two ends of the bundling oil cylinder 537 are parallel to the length direction of the stacking cover 520;

when the purlin bundling operation is performed, the bundling oil cylinder 537 is activated, so that the second bundling cantilever 532 rotates, and the bundling head 530 abuts against the outer wall of the purlin, and the purlin bundling operation is performed along with the rotation of the stacking cover 520.

The production method of the steel purline comprises the following steps:

firstly, guiding a steel pipe purline strip material into a bending mechanism, and performing continuous bending operation on the strip material, so that a continuous channel steel-shaped structure formed by purlines is guided out to a purline forming device 300 for punching a slot;

secondly, starting the purline forming device 300, performing notching operation on the outer walls on the two sides of the purline and indentation operation on the outer side of the purline, and guiding the formed purline blank into the purline cutting and forming device 400;

thirdly, starting a positioning mechanism of the purlin cutting and forming device 400, and positioning the purlin cutting position, so that a first cutting tool 420 and a second cutting tool 460 of the purlin cutting and forming device 400 are positioned at the lateral positions of the purlin notching position to perform the purlin cutting operation;

fourthly, the first cutting tool 420 and the second cutting tool 460 of the purlin cutting and forming device 400 are started to cut the trough plates on the two sides of the purlin and the trough bottom plate, and the cut purlins are guided into the stacking device 500 to stack the purlins;

fifthly, guiding the cut purlins to the stacking strips 510 of the stacking device 500, enabling the stacking strips 510 of the stacking device 500 to rotate 180 degrees, guiding another purlin to the stacking strips 510 of the stacking device 500 by the purlin cutting and forming device 400, and arranging the purlins;

sixthly, starting the rotating mechanism of the stacking device 500, so that the stacking cover 520 of the stacking device 500 rotates, and the strapping head 530 performs the strapping operation on the purlins;

and seventhly, the purlin cutting and forming device 400 guides out another purlin to guide out the purlins bundled together on the stacked ribbon 510.

Claims

1. The production method of the steel purline is characterized by comprising the following steps: the production method of the steel purline comprises the following steps:

firstly, guiding a steel pipe purline strip material into a bending mechanism, and performing continuous bending operation on the strip material, so that a continuous channel steel-shaped structure formed by purlines is guided out to a purline forming device (300) for punching a slot and punching;

secondly, starting a purline forming device (300), performing notching operation on the outer walls of two sides of the purline and indentation operation on the outer side of the purline, and guiding the formed purline blank into a purline cutting forming device (400);

thirdly, starting a positioning mechanism of the purline cutting and forming device (400) to position the cutting position of the purline, so that a first cutting tool (420) and a second cutting tool (460) of the purline cutting and forming device (400) are positioned at the lateral positions of the stamping groove of the purline to cut the purline;

fourthly, starting a first cutting tool (420) and a second cutting tool (460) of the purlin cutting and forming device (400) to cut the trough plates on the two sides of the purlin and the trough bottom plate, and guiding the cut purlins into a stacking device (500) to stack the purlins;

fifthly, guiding the cut purlins to stacked battens (510) of the stacking device (500), enabling the stacked battens (510) of the stacking device (500) to rotate 180 degrees, guiding another purlin to the stacked battens (510) of the stacking device (500) by the purlin cutting and forming device (400), and arranging the purlins;

sixthly, starting a rotating mechanism of the stacking device (500), so that a stacking cover (520) of the stacking device (500) rotates, and a strapping head (530) performs a strapping operation on the purlin;

and seventhly, guiding out another purline by the purline cutting and forming device (400) to guide out the purlines bundled together on the stacked ribbon boards (510).

2. The method of producing a steel purlin of claim 1, comprising: the purlin cutting and forming device (400) comprises a cutting and forming channel (410), the cutting and forming channel (410) is parallel to a forming pipeline (310) of the purlin forming device (300) and is connected with the forming pipeline front and back, a positioning mechanism is arranged in the cutting and forming channel (410) and is used for positioning a cutting position of the purlin, a first cutting tool (420) and a second cutting tool (460) are further arranged in the cutting and forming channel (410), the first cutting tool (420) is respectively arranged on two sides of the cutting and forming channel (410) to cut groove plate positions on two sides of the purlin, and the second cutting tool (460) is arranged above the cutting and forming channel (410) to cut groove plates on two sides of the purlin;

when the positioning mechanism is used for positioning the cutoff position of the purline, the first cutoff cutter (420) and the second cutoff cutter (460) are started to perform cutoff operation on the groove plates on the two sides of the purline and the groove bottom plate, and the first cutoff cutter (420) and the second cutoff cutter (460) synchronously move along with the purline;

the positioning mechanism comprises positioning heads (430) arranged at two sides of the cut-off forming channel (410), the positioning heads (430) are horizontal and vertical to the length direction of the cut-off forming channel (410), and the positioning heads (430) move in opposite directions and are in insertion fit with grooves at two sides of a purline in the cut-off forming channel (410);

cut off shaping passageway (410) horizontal slip setting on cutting track (440), cut track (440) and cut shaping passageway (410) length direction parallel arrangement, cut and be provided with on track (440) and cut reset spring (441), the both ends of cutting reset spring (441) respectively with cut the one end of track (440) and cut shaping passageway (410) and support and lean on.

3. The method of producing a steel purlin of claim 2, comprising: the positioning head (430) is integrally of a rod-shaped structure and is in sliding fit with the cut-off forming channel (410), one end, extending out of the cut-off forming channel (410), of the positioning head (430) is sleeved with a positioning spring (4311), two ends of the positioning spring (4311) are abutted to one end of the positioning head (430) and one side of the cut-off forming channel (410), a positioning needle (432) is arranged at the center of the positioning head (430), the positioning needle (432) is in insertion fit with a through hole in the groove bottoms on two sides of a purlin, the positioning needle (432) is slidably arranged in the center of the positioning head (430), the center hole of the positioning head (430) is step-shaped, a clamping spring (4321) is sleeved on the positioning needle (432), and the clamping spring (4321) is abutted to one end of the positioning needle (432) and the step of the center hole of the positioning head (430);

the one end that positioning head (430) stretched out to cut off shaping passageway (410) is provided with positioning roller (433), positioning roller (433) centre of wheel level just cuts the length direction parallel of shaping passageway (410), positioning folded plate (434) of positioning roller (433) support and lean on, positioning folded plate (434) are connected with the piston rod of vertical arrangement and lower extreme and location cylinder (435), the piston rod of location cylinder (435) is vertical to be arranged.

4. The method of producing a steel purlin of claim 3, comprising: the whole cut-off molding channel (410) is of a groove plate-shaped structure, a cut-off molding block (450) is arranged in the cut-off molding channel (410), the cut-off molding block (450) and the groove bottom and two sides of the cut-off molding channel (410) are arranged in a clearance mode, a clearance between the cut-off molding block (450) and the cut-off molding channel (410) forms a channel through which purlins pass, first avoiding openings (451) avoiding first cut-off cutters (420) are arranged on two sides of the cut-off molding block (450), and second avoiding openings (452) avoiding second cut-off cutters (460) are arranged on the bottom surface of the cut-off molding block (450);

the utility model discloses a shaping passageway, including the first both sides position of cuting shaping passageway (410) that slides respectively through horizontal slide bar on the back of a knife blade of cuting cutter (420), horizontal slide bar stretches out to be equipped with first disconnected spring (421) on the pole body of cuting shaping passageway (410) one side, the both ends of first disconnected spring (421) support with horizontal slide bar rod end and cuting shaping passageway (410) one side respectively and lean on, the back of a knife blade that the second is cut cutter (460) sets up in the tank bottom position of cuting shaping passageway (410) through vertical slide bar slidingtype, vertical slide bar stretches out to be equipped with the second on the pole body of cuting shaping passageway (410) tank bottom and cuts spring (461), the second both ends of cuting spring (461) support with the rod end of vertical slide bar and the tank bottom of cuting shaping passageway (410) respectively and lean on, horizontal slide bar and vertical, the cutting-off driving mechanism drives the horizontal sliding rod and the vertical sliding rod to slide on the cutting-off forming channel (410);

a first cutting roller (422) is arranged at one end, extending out of the cutting forming channel (410), of a horizontal sliding rod of the first cutting tool (420), a wheel core of the first cutting roller (422) is horizontal and vertical to the length direction of the cutting forming channel (410), the outer side of the first cutting roller (422) is abutted against a first cutting folded plate (423), a second cutting roller (462) is arranged at one end, extending out of the cutting forming channel (410), of a vertical sliding rod of a second cutting spring (461), the wheel core of the second cutting roller (462) is horizontal and vertical to the length direction of the cutting forming channel (410), the second cutting roller (462) is abutted against a linkage folded plate (463), the linkage folded plate (463) is horizontally arranged on the linkage rack in a sliding manner, and a linkage spring (4631) is sleeved at a rod end 463), extending out of the linkage rack, of the linkage folded plate (463), the two ends of the linkage spring (4631) are respectively abutted against the linkage frame and the rod end of the linkage folding plate (463), the rod end of the linkage folding plate (463) is provided with a linkage roller (4632), the linkage roller (4632) is abutted against the second cut-off folding plate (464), the first cut-off folding plate (423) and the second cut-off folding plate (464) are vertical and are connected with a piston rod of a cut-off oil cylinder (470), and the cut-off oil cylinder (470) is vertically arranged.

5. The method of producing a steel purlin of claim 4, comprising: the stacking device (500) comprises stacking blocks (510) used for guiding and conveying cut purlins, the stacking blocks (510) are horizontal and are arranged in parallel with the length direction of a cutting and forming channel (410) of the purlin cutting and forming device (400), the stacking blocks (510) turn over at an angle of 180 degrees, and turning shafts of the stacking blocks (510) are horizontal and are arranged in parallel with the length direction of the stacking blocks (510);

a stacking cover (520) is arranged outside the stacking blocks (510), an aligning mechanism is arranged on the outer wall of the stacking cover (520), the aligning mechanism drives the purlines on the stacking blocks (510) to move along the width direction of the stacking blocks (510), and one side of each purline abuts against one side of each stacking block (510);

extension supporting plates (511) are arranged on two sides of the middle section of each stacking slat (510), stacking sliding rods (512) are arranged on the extension supporting plates (511), and the stacking sliding rods (512) are perpendicular to the stacking slats (510) and are in sliding fit with the stacking covers (520).

6. The method of producing a steel purlin of claim 1, comprising: the outer wall of the stacking cover (520) is provided with a bundling mechanism which is used for bundling purlins on the stacking ribbon board (510);

the stacking cover (520) is provided with a bundling opening (521), the bundling opening (521) is arranged along the circumferential direction of the stacking cover (520), the bundling mechanism comprises a bundling head (530) arranged in the bundling opening (521), one end of the bundling head (530) extends out of the bundling opening (521) to be connected with a bundling belt feeding mechanism, the bundling belt feeding mechanism is used for guiding one end of a bundling belt out of the driving bundling head (530), the stacking cover (520) is arranged on a rotating mechanism, and the rotating mechanism drives the stacking cover (520) to rotate and the rotating axis of the stacking cover is parallel to the length direction of the stacking strips (510).

7. The method of producing a steel purlin of claim 6, comprising: the stacking cover (520) is integrally of a tubular structure with a rectangular cross section, the rotating mechanism comprises a rotating ratchet (522) arranged on the outer wall of the stacking cover (520), the rotational axis of the rotational ratchet (522) is concentrically arranged with the geometric center of the stacking cover (520), the rotary ratchet (522) is matched with a rotary pawl (5231), one end of the rotary pawl (5231) is rotationally arranged on one side wall of the driving gear (523), a return torsion spring is arranged on a rotating shaft of the rotating pawl (5231) connected with the driving gear (523), the return torsion spring causes the rotating pawl (5231) to ride on the rotating ratchet (522), the driving gear (523) is concentrically arranged with the rotary pawl (5231), the driving gear (523) is meshed with the power gear (524), and the power gear (524) is connected with the power motor (525);

fold cover (520) and be close to both ends outer wall position and be provided with from reset frame (526), outwards extend along four corners of folding cover (520) from reset frame (526) and arrange, the extension end from reset frame (526) is provided with reset roller (5261), the wheel core of reset roller (5261) and the tube core parallel arrangement of folding cover (520), reset roller (5261) set up on reset circular rail (527), the centre of a circle of reset circular rail (527) and the geometric centre coincidence of folding cover (520).

8. The method of producing a steel purlin of claim 7, comprising: the four corners of the stacking cover (520) are arranged on the turning plate (528), the turning plate (528) extends outwards along the four corners of the stacking cover (520), a turning roller (5281) is arranged beside one turning plate (528), the turning roller (5281) is arranged in parallel with a tube core of the stacking cover (520), a wheel carrier of the turning roller (5281) is connected with a piston rod of a turning oil cylinder (5282), and the piston rod of the turning oil cylinder (5282) is arranged vertically.

9. The method of producing a steel purlin of claim 8, comprising: the alignment mechanism comprises an alignment head (529) which is slidably arranged on one side wall of the stacking cover (520), the alignment head (529) is perpendicular to the length direction of the stacking cover (520), one end of the alignment head (529) extends into a tube cavity of the stacking cover (520), an alignment spring (5291) is sleeved on the shaft of the alignment head (529) extending out of the stacking cover (520), two ends of the alignment spring (5291) are abutted to the alignment head (529) and the stacking cover (520), one end of the alignment head (529) is provided with an alignment roller (5292), the alignment roller (5292) is parallel to the length direction of the stacking cover (520), the alignment roller (5292) is abutted to or separated from an alignment cambered surface (5293), and when the alignment roller (5292) is abutted to the alignment cambered surface (5293), the alignment head (529) extends into the tube cavity of the stacking cover (520) and is close to one side of the ribbon board (510).

10. The method of producing a steel purlin of claim 9, comprising: the strapping head (530) is rotatably arranged on a first strapping cantilever (531), the first strapping cantilever (531) is hinged to one end of a second strapping cantilever (532), a hinged shaft of the first strapping cantilever (531) and the second strapping cantilever (532) is parallel to the length direction of the stacked cover (520), the strapping tape feeding mechanism is arranged on the second strapping cantilever (532), a first torsion spring (533) is sleeved on the hinged shaft of the first strapping cantilever (531) and the second strapping cantilever (532), and the first torsion spring (533) enables the first strapping cantilever (531) to be far away from the stacked cover (520);

a release roller (534) is movably arranged beside the strapping head (530), the release roller (534) is arranged in parallel with the strapping head (530), and the release roller (534) is used for guiding the strapping tape to the strapping head (530) and absorbing the strapping tape;

an adhesive applying head (535) is further arranged beside the anti-sticking roller (534), the adhesive applying head (535) is connected with an adhesive liquid guiding device through a pipeline, and the adhesive liquid guiding device is used for spraying the adhesive liquid on one side of the strapping tape;

the other end of the second bundling cantilever (532) is hinged to the rack, a second torsion spring (536) is arranged at the hinged end of the second bundling cantilever (532) and the rack, and the second torsion spring (536) enables the second bundling cantilever (532) to be far away from the stacking cover (520);

the second bundling cantilever (532) is provided with a bundling connecting rod, the bundling connecting rod is hinged to a piston rod of a bundling oil cylinder (537), a hinged shaft of the bundling oil cylinder (527) is arranged on the rack, and two ends of the bundling oil cylinder (537) are parallel to the length direction of the stacking cover (520).