CN110449482B

CN110449482B - Cold roll forming assembly line for thin steel plate

Info

Publication number: CN110449482B
Application number: CN201910645025.XA
Authority: CN
Inventors: 庄善相; 刘友安; 李海峰; 高管海; 罗成平
Original assignee: Halumm Construction Technology Co ltd
Current assignee: Halumm Construction Technology Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2021-09-28
Anticipated expiration: 2039-07-17
Also published as: CN110449482A

Abstract

The invention relates to the technical field of thin steel plate processing, and discloses a cold roll forming assembly line for a thin steel plate, which comprises a material placing frame (1), and further comprises a leveling traction device (2), a distance punching device (3), a roller forming device (4) and a shearing flanging device (5) which are arranged on one side of the material placing frame (1) in sequence, wherein one end, far away from the shearing flanging device (5), of the roller forming device (4) is provided with a residual material shearing device (6) arranged on the roller forming device (4), a buffer part (7) is arranged between the material placing frame (1) and the leveling traction device (2), between the leveling traction device (2) and the distance punching device (3), between the distance punching device (3) and the roller forming device (4), and two sides of the buffer part (7) are provided with opposite injection switches (8). The invention integrates all the working procedures of flattening, slitting, punching, forming, shearing and flanging in the prior art by using one flow, and avoids the circulation problem of multiple plants and multiple places.

Description

Cold roll forming assembly line for thin steel plate

Technical Field

The invention relates to the technical field of thin steel plate processing, in particular to a cold roll forming production line of a thin steel plate.

Background

At present, the decorative thin steel plate for interior decoration is mainly formed by the following five separate processes of flattening, slitting, punching, folding, compounding a back plate and compounding a hook, and mainly has the following problems: often, one factory device is irregular and needs to be circulated by a plurality of factories, even if the device is complete, the device is distributed at different positions, the circulation time is long, and the efficiency is low; in the same process, for example, six edges of one plate need to be lifted and turned for many times, the operation time is long, and the efficiency is low; the mounting hook needs secondary positioning and compounding, and has low precision and low efficiency; the traditional data circulation mode is easy to generate human errors and has low data circulation efficiency. For example, the chinese invention patent (patent No. CN204748009U) discloses an automatic production system for light steel keel, which comprises: the device comprises a discharging part, a guide part, a die punching part and a forming part which are arranged in sequence; correspondingly grouping the punching dies according to the size of the light steel keel and the size of the required punched holes; the same group of punching dies comprises light steel keels corresponding to different sizes and impact holes with the same size; the punching dies in the same group have the same installation size and the same appearance size, and are provided with induction contacts; the die punching part also comprises an inductive switch; through inductive switch and inductive contact cooperation, select suitable cut-out press for the light gauge steel of different sizes and different punches a hole. Above-mentioned system is at the during operation, and fossil fragments manufacturing procedure is few, can not once accomplish processing to fossil fragments, and light gauge steel moves on the assembly line, because fossil fragments length is longer, when adding man-hour, needs long distance to remove, leads to fossil fragments offset easily to reduce the machining precision of fossil fragments.

Disclosure of Invention

Aiming at the defects of low processing efficiency and low processing precision in the prior art, the invention provides the cold roll forming production line of the thin steel plate, which has high processing efficiency and high processing precision.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the utility model provides a forming assembly line of cold bending of sheet steel, including the blowing frame, still including establishing the flattening draw gear in blowing frame one side and set gradually, distance stamping device, gyro wheel forming device, cut flanging device, the last one end of keeping away from cut flanging device of gyro wheel forming device is equipped with the clout shearing mechanism who installs on gyro wheel forming device, between blowing frame and the flattening draw gear, between flattening draw gear and the distance stamping device, all be equipped with the buffering portion between distance stamping device and the gyro wheel forming device, the both sides of buffering portion all are equipped with the correlation switch, still include the PLC controller, flattening draw gear, distance stamping device, gyro wheel forming device, cut flanging device, the correlation switch is connected with the PLC controller respectively.

Preferably, still including establishing vertical shearing mechanism and the horizontal shearing mechanism in flattening draw gear both sides respectively, flattening draw gear includes first draw gear, the flattening mounting bracket, leveling device, first draw gear is established between vertical shearing mechanism and leveling device, first draw gear is including drawing the support and establishing the axle that draws on drawing the support, it is equipped with the spout to draw between support and the leveling device, draw the axle and reciprocate in the spout, leveling device includes first drive arrangement, the driving shaft, the driven shaft, first drive arrangement drive driving shaft rotates, the driven shaft is established in the top of driving shaft.

As preferred, vertical shearing mechanism establishes on drawing the support, vertical shearing mechanism includes the mount, the mount is installed on drawing the support, the mount includes first fixed plate, be equipped with the shearing axle that can reciprocate on first fixed plate on the first fixed plate, first fixed plate is established respectively at the both ends of shearing axle, the parallel is established between first fixed plate about the shearing axle, the epaxial cover of shearing is equipped with cutter frame and first cutter, first cutter fixed mounting is on the cutter frame, first cutter includes first upper cutter and first lower cutter, first upper cutter and first lower cutter crisscross setting, during the shearing, the side of first upper cutter lower extreme offsets with the side of first lower cutter upper end and forms the shearing portion.

Preferably, the horizontal shearing device is arranged on the bracket and fixedly connected with the bracket, the horizontal shearing device comprises a first shearing support, a second driving device is arranged on the first shearing support, a second upper cutter and a second lower cutter are arranged on the first shearing support, the second driving device is connected with the second upper cutter and drives the second upper cutter to move up and down, the second lower cutter is fixedly connected with the first shearing support, the second upper cutter and the second lower cutter are arranged in a staggered mode, an upper cutter fixing seat connected with the second driving device is further arranged at the upper end in the first shearing support, the second driving device drives the upper cutter fixing seat to move up and down, the second upper cutter is arranged on the upper cutter fixing seat in a laminating mode and fixedly connected with the upper cutter fixing seat, and the lower end face of the upper cutter fixing seat is obliquely arranged from one end to the other end.

Preferably, distance stamping device includes the base and establishes the gear frame on the base, be equipped with the transmission shaft of being connected with the gear frame on the gear frame, still be equipped with gliding punch press on the base, the punch press is established in one side of gear frame, be equipped with mould fixed platform on the punch press, mould fixed platform top is equipped with the stamping die of fixed mounting on mould fixed platform, be equipped with the first guide rail with transmission shaft parallel arrangement on the base, the below of punch press is equipped with and is connected the guide rail slider with the punch press, the guide rail slider slides around driving the punch press on first guide rail, still be equipped with the accommodate the lead screw of being connected with the base on the base, the below of punch press is equipped with the adjusting nut who is connected with the punch press, the adjusting nut cover is established on accommodate the lead screw and is the back-and-forth movement on accommodate the lead screw, accommodate the tip of lead screw is equipped with the second adjustment handle who is connected with accommodate the lead screw.

As preferred, the symmetry is established on the base around stamping die, stamping die includes first lower die fixed plate and first upper die fixed plate, one side of first lower die fixed plate is equipped with the first guide post of vertical setting, one side of first upper die fixed plate is worn to establish on first guide post and is reciprocated on first guide post, the below of first upper die fixed plate is equipped with the mould heart fixed plate of being connected with first upper die fixed plate, be equipped with the mould needle in the mould heart fixed plate and with the mould of loosing core of mould needle adaptation, the top of first lower die fixed plate is equipped with the lower mould with first lower die fixed plate fixed connection, set up the first mould pinhole with mould needle adaptation on the lower mould.

Preferably, the roller forming device comprises a forming rack, a movable support frame connected with the forming rack is arranged on one side above the forming rack, a slide rail vertically arranged with the movable support frame is arranged on the forming rack, a slide rail slider connected with the movable support frame is arranged below the movable support frame, the slide rail slider drives the movable support frame to slide on the slide rail, a third driving device connected with the movable support frame is arranged on the forming rack, the third driving device drives the movable support frame to move on the forming rack, the third driving device comprises a screw nut arranged below the movable support frame and connected with the movable support frame and a screw rod arranged on the forming rack and connected with the forming rack, the screw rod is vertically arranged with the movable support frame, and the screw rod is arranged in the screw nut in a penetrating manner.

As preferred, it includes the support body to cut flanging device, be equipped with last mould operation board and the second lower mould fixed plate of being connected with the support body on the support body, the below of going up the mould operation board is equipped with the shearing mould of being connected with last mould operation board, be equipped with the shearing lower mould of mould adaptation on the second lower mould fixed plate, still be equipped with the turn-ups lower mould on the second lower mould fixed plate, the turn-ups lower mould includes the turn-ups clamp plate that reciprocates on second lower mould fixed plate, the both sides at the shearing lower mould are established to the turn-ups clamp plate, the below of going up the mould operation board still is equipped with the turn-ups mould of being connected with last mould operation board, the turn-ups is gone up the mould and is established in the both sides of shearing last mould and cut and form the turn-ups indent between the mould: the flanging lower die is symmetrically arranged on two sides of the shearing lower die and comprises a lifting plate and a flanging pressing plate connected with the lifting plate, the flanging pressing plate is vertically arranged on one side of the lifting plate, and the flanging pressing plate is arranged on one side, close to the shearing upper die, of the lifting plate.

As preferred, turn-ups lower mould symmetry is established in the both sides of cuting the lower mould, the turn-ups lower mould includes lifter plate and the turn-ups clamp plate of being connected with the lifter plate, the turn-ups clamp plate is vertical to be established in one side of lifter plate, the turn-ups clamp plate is established on the lifter plate and is close to the one side of cuting the mould, cut the mould and include cutter chassis and the third upper slitter who is connected with last cutter chassis, the middle part in last cutter chassis below is established to the third upper slitter, the side of mould and the side of last cutter chassis offset on the turn-ups, the both ends of cutting the mould are equipped with and cut the die carrier on the shearing of being connected with the mould on the shearing.

Preferably, the upper shearing die frame comprises an upper cutter base frame and an upper cutter base, a dovetail groove is formed in the end face of the upper cutter base, a guide strip is arranged in the dovetail groove, a dovetail block matched with the dovetail groove is arranged on the upper cutter base frame, a guide groove matched with the guide strip is formed in the middle of the dovetail block, the guide strip and the guide groove both extend to the lower end of the third upper cutter from top to bottom, a guide rod extending downwards from the lower end of the upper cutter base is arranged at the lower end of the upper cutter base frame, the lower end of the guide rod is arranged in the lower shearing die, the lower shearing die comprises a shearing groove and positioning plates, the shearing groove is arranged between flanging pressing plates, the positioning plates are respectively arranged at two ends of the shearing groove, and the guide rod is arranged in the shearing groove and is positioned between the positioning plates.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: the existing procedures of flattening, slitting, punching, forming, shearing and flanging are integrated by one flow, the circulation problem of multiple plants and multiple places is avoided, and the automatic control production efficiency is improved by more than 80%; the same working procedure is like steel plate edge folding, three edge folding are simultaneously carried out on two sides simultaneously, and the efficiency is high; the hook for mounting on the steel plate is formed on the production line in one step, so that the problem of secondary composite precision is avoided, and high-precision and high-integration production is realized.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a perspective view of the flattening and pulling device.

Figure 3 is a perspective view of the flattening apparatus.

Fig. 4 is a schematic perspective view of a longitudinal shearing apparatus.

Fig. 5 is a front view of the longitudinal shearing apparatus.

Fig. 6 is a front view of the cutter holder.

Fig. 7 is a schematic perspective view of a lateral shearing apparatus.

Fig. 8 is a schematic sectional structure of the transverse shearing apparatus.

Fig. 9 is a schematic view of the structure of the splint device.

Figure 10 is a schematic view of a first perspective construction of the distance punching device.

Figure 11-is a second perspective view of the distance punching device.

Fig. 12 is a schematic perspective view of a press die.

Fig. 13 is an exploded view of the stamping die.

Fig. 14 is a schematic view of a first perspective structure of the residue shearing device.

Fig. 15 is a partially enlarged schematic view of a portion M in fig. 14.

Fig. 16 is a schematic diagram of a second perspective structure of the residue shearing device.

Fig. 17 is a schematic perspective view of the roll forming apparatus.

Fig. 18 is a partially enlarged schematic view of the N portion in fig. 17.

FIG. 19 is a schematic side view of the roller forming device.

FIG. 20 is a side view of the shear flanging device.

Fig. 21 is a front view of the shearing and flanging device.

Fig. 22 is a partially enlarged schematic view of a portion P in fig. 21.

Fig. 23 is a schematic view of the structure of the cutout portion and the burring portion.

Fig. 24 is a partially enlarged schematic view of a portion K in fig. 24.

Fig. 25 is a schematic perspective view of the upper mold frame in a cut-away manner.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-material placing frame, 2-leveling traction device, 3-distance punching device, 4-roller forming device, 5-shearing flanging device, 6-excess material shearing device, 7-buffer part, 8-correlation switch, 9-PLC controller, 10-longitudinal shearing device, 11-transverse shearing device, 12-first traction device, 13-leveling mounting frame, 14-leveling device, 15-traction support, 16-traction shaft, 17-first driving device, 18-driving shaft, 19-driven shaft, 20-first driven gear, 21-driving gear, 22-leveling slide block, 23-fixing frame, 24-first fixing plate, 25-shearing shaft, 26-cutting knife frame, 27-upper cutting knife frame, 28-lower cutting knife frame, 29-first cutting knife, 30-first upper cutting knife, 31-first lower cutting knife, 32-stroke groove, 33-handle support, 34-adjusting screw, 35-adjusting handle, 36-positioning section, 37-cutter seat, 38-fixing bolt, 39-first supporting shaft, 40-bracket, 41-first shearing support, 42-second driving device, 43-second upper cutter, 44-second lower cutter, 45-upper cutter fixing seat, 46-vertical plate, 47-horizontal plate, 48-driving shaft, 49-lower cutter fixing seat, 50-supporting device, 51-second supporting shaft, 52-second traction device, 53-base, 54-transmission frame, 55-transmission shaft, 56-upper transmission shaft, 57-lower transmission shaft, 58-punch press, 59-die fixing platform, 60-punching die, 61-second fixing plate, 62-adjusting groove, 63-adjusting slide block, 64-servo motor, 65-driving gear, 66-first guide rail, 67-guide rail slide block, 68-adjusting screw rod, 69-adjusting nut, 70-supporting frame, 71-first lower die fixing plate, 69-adjusting screw rod, 69-servo motor, 65-driving gear, 66-first guide rail, 68-guide rail slide block, 68-adjusting screw rod, 69-adjusting nut, 70-supporting frame, 71-first lower die fixing plate, and second cutting support, 72-first upper die fixing plate, 73-first guide column, 74-die center fixing plate, 75-upper die center fixing plate, 76-lower die center fixing plate, 77-die needle, 78-hook die needle, 79-notch die needle, 80-core drawing die, 81-lower die, 82-first die needle hole, 83-through groove, 84-second die needle hole, 85-upper cutter chassis, 86-core drawing fixing plate, 87-driving cylinder, 88-stripper plate, 89-third die needle hole, 90-forming frame, 91-moving support frame, 92-slide rail, 93-slide rail slide block, 94-supporting plate, 95-fixing screw, 96-third driving device, 97-lead screw nut, 98-lead screw, 99-driving motor, 100-driving tooth, 101-driven tooth, 102-synchronous gear, 103-synchronous chain, 104-lower forming wheel, 105-connecting gear, 106-synchronous shaft support frame, 107-synchronous shaft, 108-synchronous shaft support frame, 109-upper die running plate, 110-second lower die fixing plate, 111-shearing upper die, 112-shearing lower die, 113-flanging lower die, 114-flanging pressing plate, 115-flanging upper die, 116-flanging pressing groove, 117-balance shaft, 118-fixing connecting piece, 119-first mounting piece, 120-upper die running original point photoelectric switch, 121-upper die running end photoelectric switch, 122-lifting plate, 123-supporting base plate, 124-first mounting frame, 125-speed reduction photoelectric switch, 126-second upper die fixing plate, 127-guide sleeve, 128-guide shaft, 129-upper cutter base, 130-third upper cutter, 131-shearing upper die frame, 132-upper cutter base frame, 133-dovetail groove, 134-guide strip, 135-dovetail block, 136-guide groove, shearing 137-guide rod, 138-guide groove, 139-positioning plate, 140-first cylinder fixing plate, 141-frame supporting plate, 142-second mounting frame, 143-infrared correlation stop switch, 144-first driving cylinder, 145-supporting main shaft, 146-push-pull shaft, 147-push-pull shaft fixing plate, 148-second cylinder fixing plate, 149-second driving cylinder, 150-second mounting plate, 151-flange top end point photoelectric switch, 152-flange top origin photoelectric switch, 153-balance rack, 154-balance tooth, 155-second shearing bracket, 156-push-pull cylinder, 157-moving plate, 158-shearing top knife, 159-vertical fixing plate, 160-horizontal fixing plate, 161-second guide rail, 162-slider, 163-upper cutter shaft, 164-lower cutter shaft, 165-shearing top knife holder, 166-shearing bottom knife, 167-hill rest, 168-fixing seat, 169-optical fiber switch, 170-chute, 171-second guide column, 172-clamp device, 173-clamp supporting plate, 174-adjusting plate, 175-clamp plate shaft, 176-screw, 177-rotating handle, 178-leveling base, 179-gear box, 180-belt, 181-adjusting bracket, 182-adjusting bolt, 183-hydraulic station, 184-transition frame, 185-photoelectric sensor, 186-sub bracket, 187-link frame, 188-shearing bracket fixing plate, 189-cross connecting rod, 190-vertical connecting rod, 191-support frame body, 192-support rod, 193-connecting plate, 194-fixing support frame, 195-upper forming wheel, 196-bearing, 197-second driven gear, 198-second adjusting handle and 199-shearing sliding block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides a forming assembly line of cold bending of sheet steel, as shown in fig. 1 to 25, including blowing frame 1, still including establishing leveling draw gear 2 in blowing frame 1 one side and setting gradually, distance stamping device 3, gyro wheel forming device 4, cut flanging device 5, the one end of keeping away from on gyro wheel forming device 4 and cutting flanging device 5 is equipped with the clout shearing mechanism 6 of installing on gyro wheel forming device 4, between blowing frame 1 and leveling draw gear 2, between leveling draw gear 2 and the distance stamping device 3, all be equipped with buffer 7 between distance stamping device 3 and the gyro wheel forming device 4, the both sides of buffer 7 all are equipped with correlation switch 8, still include PLC controller 9, leveling draw gear 2, distance stamping device 3, gyro wheel forming device 4, cut flanging device 5, correlation switch 8 is connected with PLC controller 9 respectively. The technology integrates all the working procedures of the existing thin steel plate processing from flattening, slitting, punching, forming, shearing and flanging by using a production line, avoids the circulation problem of multiple plants and multiple fields, and realizes the automatic control of the production efficiency and improves the production efficiency by more than 80 percent; the same working procedure is like steel plate edge folding, three edge folding are simultaneously carried out on two sides simultaneously, and the efficiency is high; couple of installation usefulness on the steel sheet is one shot forming on the assembly line, avoid the problem of the compound precision of secondary, high accuracy has been realized, high integration production, through PLC controller 9 integrated control, realize the intelligent of sheet steel processing and the work efficiency of processing, when the sheet steel moves on this equipment, the sheet steel is flagging under the action of gravity, detect whether the sheet steel is processed on this equipment through correlation switch 8, if not add the sheet steel on this equipment, correlation switch 8 is with the signal transmission who detects to PLC controller 9, this equipment stop work of PLC controller 9 control, avoid equipment empty and change and cause energy loss.

Still including establishing vertical shearing mechanism 10 and the horizontal shearing mechanism 11 in flattening draw gear 2 both sides respectively, flattening draw gear 2 includes first draw gear 12, flattening mounting bracket 13, flattening device 14, first draw gear 12 is established between vertical shearing mechanism 10 and flattening device 14, first draw gear 12 is including drawing support 15 and establishing the axle 16 that draws on drawing support 15, it is equipped with spout 170 to draw between support 15 and flattening device 14, draw axle 16 and reciprocate in spout 170, flattening device 14 includes first drive arrangement 17, driving shaft 18, driven shaft 19, first drive arrangement 17 drives driving shaft 18 and rotates, driven shaft 19 is established in the top of driving shaft 18. One side of the longitudinal shearing device 10 is provided with a clamping device 172 connected with the longitudinal shearing device 10, the clamping device 172 is arranged on one side far away from the leveling traction device 2, the clamping device 172 comprises two clamping support plates 173 arranged in parallel, the clamping support plates 173 are connected with the longitudinal shearing device 10, two rows of clamping shafts 175 arranged in parallel up and down are arranged between the clamping support plates 173, the number of each row of clamping shafts 175 is five, an adjusting plate 174 arranged in parallel with the clamping support plates 173 is also arranged between the clamping support plates 173, the clamping shafts 175 penetrate through the adjusting plates 174, screw rods 176 with two ends respectively connected with the clamping support plates 173 are arranged below the clamping shafts 175, threaded holes matched with the screw rods 176 are arranged at the lower ends of the adjusting plates 174, the screw rods 176 penetrate through the threaded holes, a rotating handle 177 is arranged at the end part of one end of each screw rod 176, the rotating handle 177 drives the screw rods 176 to rotate and drives the adjusting plates 174 to move, the thin steel plate enters between the traction shafts 16 after being sheared by the longitudinal shearing device 10, the height of the thin steel plate is supported by the traction shafts 16, the thin steel plate enters into the leveling traction device 2, the driving shaft 18 is driven to rotate by the first driving device 17, the thin steel plate is pressed by the driven shaft 19, the thin steel plate is leveled and moved under the driving of the driving shaft 18 and the driven shaft 19, and then the thin steel plate enters into the transverse shearing device 11 to be transversely sheared, the technology integrates the longitudinal shearing, leveling and transverse shearing of the thin steel plate, the processing efficiency and the processing precision of the thin steel plate are greatly improved, when the thin steel plate is arranged on the clamping device 172, the position of the adjusting plate 174 between the clamping plate supporting plates 173 is adjusted by rotating the screw 176, the moving position of the thin steel plate is fixed by the adjusting plate 174 and the clamping plate supporting plate 173 at one end, the guiding effect is achieved for the thin steel plate, and the moving stability of the thin steel plate is improved, the longitudinal shearing device 10 is convenient to shear the thin steel plate, and the shearing precision of the longitudinal shearing device 10 is improved.

The driving shaft 18 and the driven shaft are respectively installed on the leveling mounting frame 13, a first driven gear 20 is sleeved at the end of the driving shaft 18, a driving gear 21 meshed with the first driven gear 20 is arranged on the first driving device 17, and the first driving device 17 drives the first driven gear 20 to rotate through the driving gear 21. Leveling device 14's below is equipped with leveling base 178, leveling device 14 installs on leveling base 178, first drive arrangement 17 includes driving motor and the gearbox 179 of being connected with driving motor, gearbox 179 and drive gear 21 pass through belt 180 and connect, two rows about the driving shaft 18 divide into, the driving shaft 18 quantity of going up the row is eight, the driving shaft 18 quantity of going down the row is seven, the tip of every driving shaft 18 all is equipped with first driven gear 20, first driven gear 20 intermeshing, first drive arrangement 17 drives driving shaft 18 through gear drive and rotates, improve driving shaft 18 pivoted stability and pivoted precision.

The chute 170 is arranged between the traction bracket 15 and the leveling mounting frame 13, the leveling slide block 22 which can move up and down in the chute 170 is arranged in the chute 170, and the end part of the traction shaft 16 penetrates through the leveling slide block 22 and rotates on the leveling slide block 22. The traction shafts 16 are arranged in an up-down parallel mode, the adjusting bracket 181 is arranged above the sliding groove 170, one end of the adjusting bracket 181 is connected with the upper end of the traction bracket 15, the other end of the adjusting bracket 181 is connected with the upper end of the leveling device 14, the adjusting bracket 181 is provided with an adjusting bolt 182 penetrating the adjusting bracket 181, the adjusting bolt 182 is in threaded connection with the adjusting bracket 181, the lower end of the adjusting bolt 182 is connected with the traction shaft 16 at the upper end in the sliding groove 170, the adjusting bolt 182 drives the traction shaft 16 at the upper end in the sliding groove 170 to move up and down, the leveling slider 22 is convenient to move up and down in the sliding groove 170, the height of the traction shaft 16 is adjusted, and stable movement of the thin steel plate is guaranteed.

Longitudinal shearing mechanism 10 is established on drawing support 15, longitudinal shearing mechanism 10 includes mount 23, mount 23 is installed on drawing support 15, mount 23 includes first fixed plate 24, be equipped with the shearing axle 25 that can reciprocate on first fixed plate 24, first fixed plate 24 is established respectively at the both ends of shearing axle 25, shearing axle 25 is established between first fixed plate 24 from top to bottom in parallel, the cover is equipped with cutter saddle 26 and first cutter 29 on the shearing axle 25, first cutter 29 fixed mounting is on cutter saddle 26, first cutter 29 includes first upper slitter 30 and first lower cutter 31, first upper slitter 30 and first lower cutter 31 staggered arrangement, during the shearing, the side of first upper slitter 30 lower extreme offsets with the side of first lower cutter 31 upper end and forms the shearing portion. First fixed plate 24 parallel arrangement and symmetry are vertical to be established on pulling support 15, pull the sheet steel through pulling support 15, make sheet steel lateral shifting on vertical shearing mechanism 10, make things convenient for first cutter 29 to cut the sheet steel, shear axis 25 includes shear axis and lower shear axis and all can move on first fixed plate 24, conveniently adjust the interval between first last cutter 30 and the first cutter 31 down, also conveniently adjust the position height of shearing part simultaneously, the shearing part is according to the height adjustment to corresponding height of pulling support 15, the application scope of vertical shearing mechanism 10 has been improved.

A stroke groove 32 is formed in the middle of the first fixing plate 24, a shearing slider 199 which moves up and down in the stroke groove 32 is arranged in the stroke groove 32, a bearing 196 which is embedded in the shearing slider 199 is arranged in the shearing slider 199, and two ends of the shearing shaft 25 are respectively arranged in the bearing 196 in a penetrating manner; the upper end of the first fixing plate 24 is provided with a handle bracket 33 connected with the first fixing plate 24, an adjusting screw 34 penetrates through the handle bracket 33, the lower end of the adjusting screw 34 is connected with a shearing slider 199 at the upper end in the stroke groove 32, and the upper end of the adjusting screw 34 is provided with a first adjusting handle 35 connected with the adjusting screw 34. The height adjustment of the shearing sliding block 199 in the stroke groove 32 realizes the height adjustment of the shearing shaft 25, the shearing sliding block 199 moves up and down in the stroke groove 32, the height of the shearing sliding block 199 is conveniently adjusted, meanwhile, the stroke groove 32 also plays a role in guiding the shearing sliding block 199, and the accuracy and the stability of the up and down movement of the shearing sliding block 199 are improved. Adjusting screw 34 and handle support 33 threaded connection, through rotating first adjustment handle 35 control adjusting screw 34 lift on handle support 33 to the removal of the shear block 199 of upper end in the control stroke groove 32 conveniently adjusts the interval between first upper slitter 30 and the first lower slitter 31, improves the precision of interval regulation and the stability of adjusting.

The cutter frame 26 comprises a positioning section 36 and a cutter seat 37 integrated with the positioning section 36, the first cutter 29 is fixedly connected with the end face of the cutter seat 37, a fixing bolt 38 penetrating the positioning section 36 is arranged on the positioning section 36, the fixing bolt 38 is symmetrically arranged on the positioning section 36, the cutter frame 26 further comprises an upper cutter frame 27 and a lower cutter frame 28, and the upper cutter frame 27 and the lower cutter frame 28 are arranged in a staggered mode and are respectively arranged on the cutting shaft 25. The opposite end surfaces of the upper cutter frame 27 and the lower cutter frame 28 are arranged in the same vertical plane, the upper cutter frame 27 and the lower cutter frame 28 respectively provide supporting force for the first upper cutter 30 and the first lower cutter 31 during shearing, and the shearing strength and the shearing stability of the first upper cutter 30 and the first lower cutter 31 are improved. The cutter frame 26 can move transversely on the shearing shaft 25, during shearing, the cutter frame 26 is moved to a shearing position, the longitudinal shearing device 10 is conveniently matched with different machining requirements through the fixing bolt 38 and the positioning section 36 in a matched positioning mode, and the fixing bolt 38 is symmetrically arranged to improve the positioning stability of the cutter frame 26. The cutter seat 37 and the first cutter 29 are coaxially arranged, and the cylindrical diameter of the cutter seat 37 is smaller than that of the first cutter 29.

The fixing frame 23 further includes a first supporting shaft 39, the first supporting shaft 39 is disposed between the first fixing plates 24 and fixedly connected to the first fixing plates 24, the first supporting shaft 39 is disposed at the upper end of the first fixing plate 24 and the lower end of the first fixing plate 24, and the first supporting shafts 39 at the upper end of the first fixing plate 24 and the first supporting shafts 39 at the lower end of the first fixing plate 24 are disposed in parallel. The first fixing plate 24 is supported by the first supporting shaft 39, so that the distance between the first fixing plates 24 is ensured, the first fixing plate 24 is prevented from loosening during shearing, and the stability and the shearing precision during shearing are improved.

The automatic leveling and traction device further comprises a bracket 40 connected with the leveling and traction device 2, an auxiliary bracket 186 connected with the bracket 40 is arranged on the bracket 40, a transition frame 184 hinged with the auxiliary bracket 186 is arranged at the end part of the auxiliary bracket 186, a photoelectric sensor 185 is arranged on the auxiliary bracket 186, the photoelectric sensor 185 is arranged on one side far away from the transverse shearing device 11, the transverse shearing device 11 is arranged on the bracket 40 and fixedly connected with the bracket 40, the transverse shearing device 11 comprises a first shearing support 41, a second driving device 42, a second upper cutter 43 and a second lower cutter 44 are arranged on the first shearing support 41, the second driving device 42 is connected with the second upper cutter 43 and drives the second upper cutter 43 to move up and down, the second lower cutter 44 is fixedly connected with the first shearing support 41, the second upper cutter 43 and the second lower cutter 44 are arranged in a staggered manner, an upper cutter fixing seat 45 connected with the second driving device 42 is further arranged at the upper end in the first shearing support 41, second drive arrangement 42 drives upper knife fixing base 45 and reciprocates, and the laminating of second upper knife 43 is established on upper knife fixing base 45 and with upper knife fixing base 45 fixed connection, and the lower terminal surface of upper knife fixing base 45 sets up to the other end slope by one end. The second driving device 42 is a hydraulic cylinder, the leveling mounting frame 13 is provided with a hydraulic station 183, the hydraulic station 183 is connected with the second driving device 42 and provides power for the second driving device 42, the first shearing support 41 is fixedly mounted on the bracket 40, the thin steel plate enters the first shearing support 41 under the driving of the leveling traction device 2 and is positioned between the second upper cutter 43 and the second lower cutter 44, when the leveling traction device 2 pulls the thin steel plate to a position needing shearing, the second driving device 42 drives the upper cutter fixing seat 45 to move downwards, the upper cutter fixing seat 45 drives the second upper cutter 43 to synchronously move downwards to transversely shear the thin steel plate, the height of the lower end face of the upper cutter fixing seat 45 is gradually reduced from front to back, the concentration of shearing force during shearing of the second upper cutter 43 and the second lower cutter 44 is enhanced, and the stability and the shearing strength during shearing are improved. During shearing, one end of the transition frame 184 abuts against the second support shaft 51, the thin steel plate passes through between the second upper cutter 43 and the second lower cutter 44 under the drive of the leveling traction device 2 and then passes through the transition frame 184 from the second support shaft 51, the thin steel plate moves onto the photoelectric sensor 185 to block the photoelectric sensor 185, the PLC 9 controls the driving motor to stop running, an operator presses the shearing key switch and the PLC 9 supplies power to the hydraulic solenoid valve coil for 15 seconds to send a downlink signal, the two 2.5-ton hydraulic cylinders push the upper cutter fixing seat 45 to shear the thin steel plate in a downlink manner, the PLC 9 supplies power to the hydraulic solenoid valve coil for an uplink signal after 15 seconds, the upper cutter fixing seat 45 returns to the original point, the thin steel plate leaves the photoelectric switch, and the PLC 9 controls the leveling motor to start clockwise, and the operations are repeated. When the steel sheet is not required to be cut, the transition frame 184 rotates towards the direction far away from the transverse cutting device 11, the transition frame 184 is folded, the steel sheet coil passes through the transverse cutting device 11 from the upper part of the second supporting shaft 51 under the traction of the leveling traction device 2, and the steel sheet coil downwards passes through the position between the second supporting shaft 51 and one end, close to the transverse cutting device 11, of the auxiliary bracket 186 to reach the next process, so that the steel sheet processing requirements of different steel sheets can be met.

First shearing support 41 includes riser 46 and diaphragm 47, and riser 46 establishes respectively at the both ends of diaphragm 47, and the both ends of diaphragm 47 respectively with the upper end fixed connection of riser 46, go up the both ends of sword fixing base 45 and be connected with the upper end of riser 46 respectively, go up sword fixing base 45 and establish the below at diaphragm 47, and second drive arrangement 42 establishes in diaphragm 47 top, and second drive arrangement 42 passes through drive shaft 48 and is connected with last sword fixing base 45, and drive shaft 48 runs through in diaphragm 47. Drive shaft 48 passes through flange and is connected with last sword fixing base 45, improves the stability that second drive arrangement 42 drive went up sword fixing base 45 and reciprocated, goes up sword fixing base 45 and removes between riser 46, and riser 46 provides the support for the both ends of going up sword fixing base 45 when going up sword fixing base 45 and reciprocates, avoids going up sword fixing base 45 and rocks, improves the stability that going up sword fixing base 45 and reciprocate.

Still include lower sword fixing base 49, the both ends of lower sword fixing base 49 are connected with the lower extreme of riser 46 respectively, and the laminating of second lower cutter 44 is established on lower sword fixing base 49 and with lower sword fixing base 49 fixed connection. The upper knife fixing seat 45 is further provided with a supporting device 50 connected with the upper knife fixing seat 45, and a second supporting shaft 51 penetrates through the lower end of the supporting device 50. Go up sword fixing base 45 and establish in the top of lower sword fixing base 49 and establish the front side at lower sword fixing base 49, the second is gone up cutter 43 and is established on the trailing flank of last sword fixing base 45, and cutter 44 is established on the leading flank of lower sword fixing base 49 under the second, and cutter 44 is fixed through lower sword fixing base 49 under the second, improves the stability of cutter 44 under the second when cuting, and cutter 43 and second lower cutter 44's shearing force is gone up in the reinforcing second. Strutting arrangement 50 establishes in the upper end of last sword fixing base 45 leading flank and with last sword fixing base 45 fixed connection, strutting arrangement 50 is used for supporting the sheet steel after the shearing, avoids the sheet steel to drop after the shearing and causes the deformation, conveys the sheet steel after the shearing to the assembly line through second back shaft 51 on, promotes the smooth and easy of assembly line work, and guarantees the quality after the sheet steel is sheared.

The supporting device 50 comprises a supporting frame body 191, the supporting frame body 191 comprises a supporting rod 192 and a connecting plate 193, the connecting plate 193 is respectively arranged at two ends of the supporting rod 192 and is fixedly connected with the supporting rod 192, the traction shaft 16 penetrates through the connecting plate 193, and the traction shaft 16 is arranged below the supporting rod 192 and is parallel to the supporting rod 192. The thin steel plate is pulled between the supporting rod 192 and the second supporting shaft 51 by the leveling second pulling device 52, and a supporting force is provided for the thin steel plate during cutting, so that the stability of the position of the cut thin steel plate is ensured, and the transverse conveying of the cut thin steel plate is facilitated.

The supporting device 50 further comprises a connecting frame 187, the connecting frame 187 is arranged above the supporting frame body 191 and connected with the supporting frame body 191, the connecting frame 187 comprises a transverse connecting rod 189 and a vertical connecting rod 190, one end of the transverse connecting rod 189 is fixedly connected with the upper end of the upper knife fixing seat 45, the upper end of the vertical connecting rod 190 is connected with the other end of the transverse connecting rod 189, and the lower end of the vertical connecting rod 190 is fixedly connected with the supporting rod 192. The number of the link 187 is two and is arranged in parallel, the supporting device 50 is spaced apart from the first cutting support 41 by a transverse connecting rod 189 of the link 187, and the upper ends of the second supporting shaft 51 and the second lower cutting knife 44 are positioned in the same horizontal plane by a vertical connecting rod 190, thereby ensuring a stable state of the thin steel plate during cutting and thus ensuring stability during cutting.

Distance stamping device 3 includes second draw gear 52, and second draw gear 52 includes base 53 and establishes driving frame 54 on base 53, is equipped with the transmission shaft 55 of being connected with driving frame 54 on driving frame 54, still is equipped with gliding punch press 58 on base 53, and punch press 58 establishes the one side at driving frame 54, is equipped with mould fixed platform 59 on the punch press 58, and mould fixed platform 59 top is equipped with the stamping die 60 of fixed mounting on mould fixed platform 59. The punch 58 is arranged on the right side of the second traction device 52, the thin steel plate enters the second traction device 52 during machining, the thin steel plate is dragged through the transmission shaft 55, the thin steel plate enters the punch 58, the punch 58 punches the thin steel plate, the distance is determined through the dragging of the second traction device 52, and when the thin steel plate moves to the distance-determining position, the punch 58 descends to complete the punching machining, so that the machining steps of the thin steel plate are simplified, and the machining efficiency and the machining precision are improved.

The transmission frame 54 comprises two second fixing plates 61 arranged in parallel, an adjusting groove 62 is formed in each second fixing plate 61, an adjusting slide block 63 capable of moving up and down in the adjusting groove 62 is arranged in each adjusting groove 62, and two ends of the transmission shaft 55 are connected with the adjusting slide blocks 63 respectively. The height of the transmission shaft 55 on the second fixing plate 61 is adjusted through the adjusting slide block 63 to meet different processing requirements, and meanwhile, the height of the transmission shaft 55 is adjusted, so that the thin steel plate enters the punch 58 in a horizontal state, the processing of the punch 58 is facilitated, and the processing stability and the processing quality are improved.

The transmission shaft 55 comprises an upper transmission shaft 56 and a lower transmission shaft 57, the number of the upper transmission shafts 56 and the number of the lower transmission shafts 57 are both two and are respectively arranged in parallel, a servo motor 64 connected with one end of the lower transmission shaft 57 is arranged below the base 53, and the servo motor 64 drives the lower transmission shaft 57 to rotate. Servo motor 64 is connected with the PLC controller, the rotation direction and the start-stop of servo motor 64 are controlled by PLC controller 9, PLC controller 9 control servo motor 64 drives transmission shaft 55 pivoted rotation mode, and then control transmission shaft 55 draws the direction and the distance of drawing the sheet steel, when transmission shaft 55 draws the sheet steel to the processing position, PLC controller 9 control servo motor 64 stall, punch press 58 processes the sheet steel, the machining precision of sheet steel has been improved, make things convenient for the assembly installation in sheet steel later stage, the error of interval between the sheet steel processing position because manual measurement arouses has been avoided.

The other end portion of the lower transmission shaft 57 is provided with a driving gear 65 sleeved on the lower transmission shaft 57, the end portion of the upper transmission shaft 56 is sleeved with a second driven gear 197 meshed with the driving gear 65, and the lower transmission shaft 57 drives the upper transmission shaft 56 to rotate. The lower transmission shaft 57 drives the upper transmission shaft 56 to rotate through the matching of the driving gear 10 and the driven gear 11, the lower transmission shaft 57 and the upper transmission shaft 56 rotate relatively, so that the upper transmission shaft 56 and the lower transmission shaft 57 synchronously apply traction to the thin steel plate, the traction of the transmission shaft 55 to the thin steel plate is enhanced, and the error of a processing position caused by the sliding of the thin steel plate between the upper transmission shaft 56 and the lower transmission shaft 57 is avoided.

The base 53 is provided with a first guide rail 66 arranged in parallel with the transmission shaft 55, a guide rail sliding block 67 connected with the punch 58 is arranged below the punch 58, the guide rail sliding block 67 drives the punch 58 to slide back and forth on the first guide rail 66, the base 53 is further provided with an adjusting screw 68 connected with the base 53, an adjusting nut 69 connected with the punch 58 is arranged below the punch 58, the adjusting nut 69 is sleeved on the adjusting screw 68 and moves back and forth on the adjusting screw 68, and the end part of the adjusting screw 68 is provided with a second adjusting handle 198 connected with the adjusting screw 68. The guide rail slide block 67 drives the punch press 58 to move back and forth on the first guide rail 66 so as to adapt to the punching processing of thin steel plates with different widths, the second adjusting handle 198 drives the adjusting screw rod 68 to rotate, the adjusting nut 69 moves back and forth on the adjusting screw rod 68 along with the rotation of the adjusting screw rod 68, the punch press 58 achieves traction movement through the back and forth movement of the adjusting screw rod 68 through the adjusting nut 69, the front and back position adjustment of the punch press 58 is facilitated, meanwhile, the position moving precision of the punch press 58 is guaranteed, and the fine adjustment of the position is facilitated.

The base 53 is further provided with a support frame 70 fixedly connected with the base 53, and the support frame 70 is arranged on one side of the punch 58 far away from the transmission frame 54. The support frame 70 is arranged on the right side of the punch 58, and the support frame 70 is used for supporting the processed thin steel plate, so that the stable transverse movement of the thin steel plate is ensured, the deformation of the thin steel plate caused by the height drop is avoided, and the subsequent processing of the thin steel plate is facilitated.

The front and back of the stamping die 60 are symmetrically arranged on the base 53, the stamping die 60 comprises a first lower die fixing plate 71 and a first upper die fixing plate 72, one side of the first lower die fixing plate 71 is provided with a first guide column 73 which is vertically arranged, one side of the first upper die fixing plate 72 is arranged on the first guide column 73 in a penetrating mode and moves on the first guide column 73 in a vertical mode, a die core fixing plate 74 connected with the first upper die fixing plate 72 is arranged below the first upper die fixing plate 72, a die needle 77 and a core pulling die 80 matched with the die needle 77 are arranged in the die core fixing plate 74, a lower die 81 fixedly connected with the first lower die fixing plate 71 is arranged above the first lower die fixing plate 71, and a first die needle hole 82 matched with the die needle 77 is formed in the lower die 81. When stamping is needed, the core-pulling die 80 moves above the die needle 77 to enable the die needle 77 to move downwards, the PLC 9 controls the punch press 58 to drive the first upper die fixing plate 72 and the die core fixing plate 74 to move downwards until the lower end of the die needle 77 penetrates through the thin steel plate and enters the first die needle hole 82 for 2-3 mm, and then shearing processing of the thin steel plate is completed.

The mold core fixing plate 74 comprises an upper mold core fixing plate 75 and a lower mold core fixing plate 76, a through groove 83 is formed in the upper mold core fixing plate 75, the core pulling mold 80 moves in the through groove 83, a second mold needle hole 84 matched with the mold needle 77 is formed in the lower mold core fixing plate 76, the mold needle 77 moves up and down in the second mold needle hole 84, the second mold needle hole 84 is formed in the lower portion of the through groove 83, the mold needle 77 comprises a hook mold needle 78 and a notch mold needle 79, and the hook mold needle 78 and the notch mold needle 79 are respectively arranged in the second mold needle hole 84. Through setting up logical groove 83 at last heart of a mould fixed plate 74, conveniently take out core 80 and move in mould needle 77 top back-and-forth movement to conveniently control the upper and lower displacement of mould needle 77, second mould pinhole 84 on the heart of a mould fixed plate 74 plays the guide effect to mould needle 77, guarantees that mould needle 77 reciprocates in vertical direction, through setting up couple mould needle 78 and breach mould needle 79, conveniently processes the sheet steel according to the demand of processing, improves the efficiency of processing.

A core-pulling fixing plate 86 connected with the mold needle 77 is arranged on one side of the mold core fixing plate 74, the core-pulling fixing plate 86 is connected with the core-pulling mold 80, and a driving cylinder 87 connected with the core-pulling fixing plate 86 is arranged on the other side of the first upper mold fixing plate 72. The driving cylinder 87 is a mold core pulling cylinder, the driving cylinder 87 is connected with the PLC 9, when stamping is needed, the PLC 9 is connected with and controls the driving cylinder 87 to drive the core pulling mold 80 to simultaneously move to the positions above the hook mold needle 78 and the notch mold needle 79, or only one of the core pulling mold 80 is driven to move to the positions above the hook mold needle 78 or the notch mold needle 79, different processing requirements are met, the driving cylinder 87 is connected with the mold core fixing plate 74 through the core pulling fixing plate 86, the driving cylinder 87 drives the core pulling mold 80 to move back and forth, the stability of the core pulling mold 80 is improved, and operation is facilitated.

The die core fixing plate structure further comprises a stripper plate 88 connected with the lower end face of the die core fixing plate 74, the stripper plate 88 is arranged below the die core fixing plate 74, a third die needle hole 89 matched with the die needle 77 is formed in the stripper plate 88, and the lower end of the die needle 77 penetrates through the third die needle hole 89. When the core pulling mold 80 does not move above the mold pins 77, the first upper mold fixing plate 72 and the mold pin fixing plate 74 move downward, the mold pins 77 move upward against the thin steel plate, the lower ends of the mold pins 77 enter the stripper plate 88, so that the waste materials are separated from the mold pins 77, and the waste materials adhered to the mold pins 77 after stamping can be conveniently stripped.

The roller forming device 4 comprises a forming frame 90, a movable support frame 91 connected with the forming frame 90 is arranged on one side above the forming frame 90, a slide rail 92 vertically arranged with the movable support frame 91 is arranged on the forming frame 90, a slide rail slider 93 connected with the movable support frame 91 is arranged below the movable support frame 91, the slide rail slider 93 drives the movable support frame 91 to slide on the slide rail 92, a third driving device 96 connected with the movable support frame 91 is arranged on the forming frame 90, and the third driving device 96 drives the movable support frame 91 to move on the forming frame 90. Still be equipped with fixed support frame 194 on the shaping frame 90, fixed support frame 194 and removal support frame 91 are established respectively at the rear end of shaping frame 90 and the shaping frame 90 front end, slide on slide rail 92 through the drive of third drive arrangement 96 removal support frame 91, adjust the distance between fixed support frame 194 and the removal support frame 91, conveniently carry out the shaping to the sheet steel of different width, improved the application scope and the flexibility of use of this technique, the cost of reduction production and processing.

A supporting plate 94 connected with the movable supporting frame 91 is arranged below the movable supporting frame 91, the supporting plate 94 is fixedly connected with a sliding rail sliding block 93, and one end of the supporting plate 94 is provided with a fixing screw 95 penetrating through the supporting plate 94. The supporting plate 94 is arranged on the sliding rail sliding block 93, the supporting area of the sliding rail sliding block 93 to the movable supporting frame 91 is increased through the supporting plate 94, the stability of the movable supporting frame 91 during movement and working is improved, when the movable supporting frame 91 moves to a machining position, the movable supporting frame is screwed downwards through the fixing screw 95, the fixing screw 95 is abutted against the forming rack 90, the positions of the supporting plate 94 and the sliding rail sliding block 93 are fixed, the position of the movable supporting frame 91 is fixed, and the adjusting mode and the adjusting structure are simplified.

The third driving device 96 includes a screw nut 97 disposed below the movable supporting frame 91 and connected to the movable supporting frame 91, and a screw 98 disposed on the forming frame 90 and connected to the forming frame 90, the screw 98 is disposed perpendicular to the movable supporting frame 91, and the screw 98 is disposed in the screw nut 97 in a penetrating manner. Lead screw 98 passes through the mounting bracket to be installed in forming rack 90, and screw nut 97 passes through the mounting bracket to be installed in the below of removing support frame 91, removes support frame 91 back-and-forth movement on forming rack 90 through lead screw 98 and screw nut 97 cooperation drive, has improved the stability that removes support frame 91 and has guaranteed position control's precision.

The number of the lead screws 98 is three, the three lead screws are uniformly distributed on the forming rack 90, the third driving device 96 further comprises a driving motor 99 connected with the lead screws 98, the driving motor 99 is arranged at one end of the forming rack 90, a driving tooth 100 synchronously rotating with the driving motor 99 is arranged on the driving motor 99, a driven tooth 101 sleeved on the lead screws 98 is arranged on the lead screws 98, and the driving tooth 100 is meshed with the driven tooth 101. The driving motor 99 drives the driven gear 101 to rotate through the driving gear 100, so that the lead screw 98 is driven to rotate, the driving mode is simplified, the moving position of the moving support frame 91 can be adjusted through the rotating speed and the rotating time of the driving motor 99, the position accuracy of the moving support frame 91 is improved, the driving motor 99 drives the moving support frame 91 to move through the synchronous rotation of the three lead screws 98, the driving force generated by the matching of the lead screws 98 and the lead screw nuts 97 is uniformly distributed on the front side of the moving support frame 91, and the stability of the overall movement of the moving support frame 91 is improved.

The end of the screw 98 is provided with a synchronous gear 102 sleeved on the screw 98, the synchronous gear 102 is sleeved with a synchronous chain 103, and the synchronous gear 102 is driven by the synchronous chain 103 to synchronously rotate. The driving tooth 100 and the driven tooth 101 meshed with the driving tooth 100 are arranged behind the synchronous gear 102, the driving motor 99 is connected with the PLC 9, when the driving motor 99 drives the lead screw 98 at the left end to rotate, the synchronous gear 102 of the lead screw 98 at the left end drives the synchronous chain 103 to rotate, the synchronous gears 102 on the other two lead screws 98 are driven by the synchronous chain 103 to synchronously rotate with the lead screw 98 at the left end, so that the whole stable movement of the movable support frame 91 is realized, the forward movement or the backward movement of the movable support frame 91 is realized by controlling the steering of the driving motor 99, the control mode and the structure of equipment are greatly simplified, and the processing efficiency and the processing precision are improved.

The lower end of the movable support frame 91 is provided with a lower forming wheel 104 connected with the movable support frame 91, the upper end of the movable support frame 91 is provided with an upper forming wheel 195 matched with the lower forming wheel 104, the end part of the lower forming wheel 104 is provided with a connecting gear 105, the connecting gears 105 are meshed with each other, the forming rack 90 is provided with synchronous shaft support frames 106 uniformly distributed, the synchronous shaft support frames 106 are provided with synchronous shafts 107, one ends of the synchronous shafts 107 are connected with the synchronous shaft support frames 106, and the synchronous shafts 107 penetrate through the lower forming wheel 104 and the movable support frame 91. The other end of the synchronizing shaft 107 is connected with a fixed support frame 194, the number of the synchronizing shaft support frames 106 and the number of the synchronizing shafts 107 are four and are uniformly distributed on the forming rack 90, after the thin steel plate is transferred into the upper forming wheel 195 and the lower forming wheel 104, the thin steel plate is formed and processed through the upper forming wheel 195 and the lower forming wheel 104, the rotation of a part of the lower forming wheel 104 is driven through the synchronizing shaft 107, the integral synchronous rotation of the lower forming wheel 104 is ensured, the processing quality of the lower forming wheel 104 is improved, the synchronizing shafts 107 are fixed through the synchronizing shaft support frames 106 and the fixed support frame 194, and the stability of the synchronizing shaft 107 for driving a part of the lower forming wheel 104 to work is ensured.

The shearing flanging device 5 comprises a frame body 108, an upper die running plate 109 and a second lower die fixing plate 110 which are connected with the frame body 108 are arranged on the frame body 108, a shearing upper die 111 which is connected with the upper die running plate 109 is arranged below the upper die running plate 109, a shearing lower die 112 which is matched with the shearing upper die 111 is arranged on the second lower die fixing plate 110, a flanging lower die 113 is also arranged on the second lower die fixing plate 110, the flanging lower die 113 comprises flanging pressing plates 114 which move up and down on the second lower die fixing plate 110, the flanging pressing plates 114 are arranged at two sides of the shearing lower die 112, a flanging upper die 115 which is connected with the upper die running plate 109 is also arranged below the upper die running plate 109, the flanging upper die 115 is arranged at two sides of the shearing upper die 111 and forms flanging pressing grooves 116 with the shearing upper die 111, a balance shaft 117 which is connected with the upper die running plate 109 is arranged on the upper die running plate 109, and a fixing connecting piece 118 which is connected with the frame body 108 is arranged on the frame body 108, balance shaft 117 and fixed connection piece 118 are connected, be equipped with the first installation piece 119 of vertical setting on the support body 108, the lower extreme of first installation piece 119 is equipped with the last mould operation initial point photoelectric switch 120 and the last mould operation terminal point photoelectric switch 121 that are connected with PLC controller 9 respectively, it establishes in the top of last mould operation terminal point photoelectric switch 121 to go up mould operation initial point photoelectric switch 120, it all establishes in one side of last mould operation board 109 to go up mould operation initial point photoelectric switch 120 and last mould operation terminal point photoelectric switch 121. When the thin steel plate is conveyed into the frame body 108, the thin steel plate is gradually decelerated and stopped, the upper die running plate 109 drives the shearing upper die 111 to move up and down, the upper die running plate 109 runs to the upper die running end photoelectric switch 121, the upper die running end photoelectric switch 121 sends a position signal to the PLC 9, the PLC 9 controls the upper die running plate 109 to stop moving down through the first driving oil cylinder 144, the shearing upper die 111 and the shearing lower die 112 are matched to shear the thin steel plate, after shearing, the flanging lower die 113 moves up to push the thin steel plate to move up, when the thin steel plate is abutted against the flanging upper die 115, the flanging lower die 113 continues to move up to bend the end part of the thin steel plate to one side in the flanging pressing groove 116 to realize flanging of the thin steel plate, after the flanging is finished, the PLC 9 controls the first driving oil cylinder 144 to control the upper die running plate 109 to stop moving up to the upper die running origin photoelectric switch 120 to integrate the shearing and the flanging through a mechanical structure, the processing efficiency and the processing precision of the thin steel plate are improved.

The both sides at shearing lower mould 112 are established to turn-ups lower mould 113 symmetry, turn-ups lower mould 113 includes lifter plate 122 and the turn-ups clamp plate 114 of being connected with lifter plate 122, turn-ups clamp plate 114 is vertical to be established in one side of lifter plate 122, turn-ups clamp plate 114 is established on lifter plate 122 and is close to the one side of shearing last mould 111, be equipped with the second guide post 171 of vertical setting on the second lower mould fixed plate 110, second guide post 171 wears to establish in lifter plate 122, the upper end of second guide post 171 is equipped with the supporting baseplate 123 of being connected with second guide post 171, the top of supporting baseplate 123 is equipped with the first mounting bracket 124 of being connected with supporting baseplate 123, the both sides at shearing lower mould 112 are established to first mounting bracket 124 symmetry, be equipped with the speed reduction photoelectric switch 125 of being connected with PLC controller 9 on first mounting bracket 124, speed reduction photoelectric switch 125 installs on first mounting bracket 124. The flanging press plate 114 is positioned below the flanging press groove 116, the lifting plate 122 drives the flanging press plate 114 to move upwards, the end part of the thin steel plate is pushed into the flanging press groove 116 through the flanging press plate 114 to bend the end part of the thin steel plate, the lifting plate 122 is positioned and moved through the second guide column 171 to improve the stability of the lifting plate moving up and down, when the flanging press plate 114 pushes the end part of the thin steel plate to bend, the pushing strength of the flanging press plate 114 and the stability of the thin steel plate in flanging are also improved, the lifting plate 122 moves up and down below the supporting base plate 123, the thin steel plate before and after processing is supported through the supporting base plate 123 to improve the stability of the thin steel plate in processing, notches are arranged on two sides of the thin steel plate, when the notch of the thin steel plate moves to the speed-reducing photoelectric switch 125, the speed-reducing photoelectric switch 125 transmits a position signal of the thin steel plate to the PLC 9, and the PLC 9 controls the speed of the driving device for driving the thin steel plate to move, the accuracy of subsequent detection shearing of the thin steel plate is improved.

A second upper die fixing plate 126 connected with the upper die operation plate 109 is arranged below the upper die operation plate 109, a guide sleeve 127 connected with the second upper die fixing plate 126 is arranged below the second upper die fixing plate 126, a guide shaft 128 connected with the second lower die fixing plate 110 is arranged on the second lower die fixing plate 110, and the guide sleeve 127 is sleeved on the guide shaft 128. The upper die operation plate 109 and the second lower die fixing plate 110 are matched through the guide shaft 128 and the guide sleeve 127, so that the accuracy and the stability of the upper die operation plate 109 in moving up and down above the second lower die fixing plate 110 are ensured, and the processing accuracy in shearing and flanging in the technology is improved.

The shearing upper die 111 comprises an upper cutter underframe 85 and a third upper cutter 130 connected with the upper cutter underframe 85, the third upper cutter 130 is arranged in the middle of the lower portion of the upper cutter underframe 85, the side surface of the flanging upper die 115 abuts against the side surface of the upper cutter underframe 85, and shearing upper die frames 131 connected with the shearing upper die 111 are arranged at two ends of the shearing upper die 111. The upper cutter underframe 85 is connected with the lower end face of the second upper mold fixing plate 126, the thrust of the upper end of the third upper cutter 130 is enhanced by the upper cutter underframe 85 during shearing, the shearing strength and the shearing stability of the third upper cutter 130 are improved, the two ends of the third upper cutter 130 and the two ends of the upper cutter underframe 85 are fixed through the shearing upper mold frame 131, the connecting strength of the third upper cutter 130 and the upper cutter underframe 85 is enhanced, and shearing errors caused by transverse movement of the third upper cutter 130 are avoided.

The upper cutting die frame 131 comprises an upper cutter base frame 132 and an upper cutter base 129, a dovetail groove 133 is formed in the end face of the upper cutter base 129, a guide strip 134 is arranged in the dovetail groove 133, a dovetail block 135 matched with the dovetail groove 133 is arranged on the upper cutter base frame 132, and a guide groove 136 matched with the guide strip 134 is formed in the middle of the dovetail block 135. The upper cutter base frame 132 and the upper cutter base 129 are connected and mounted in a matched mode through the dovetail groove 133 and the dovetail block 135, the connection stability between the upper cutter base frame 132 and the upper cutter base 129 is improved, the upper cutter base frame 132 and the upper cutter base 129 are convenient to detach and mount, maintenance or replacement of the third upper cutter 130 is facilitated, the middle portion of the upper cutter base frame 132 and the middle portion of the upper cutter base 129 are located in a matched mode through the guide strip 134 and the guide groove 136, the position accuracy between the upper cutter base frame 132 and the upper cutter base 129 is guaranteed during working, and the cutting accuracy of the third upper cutter 130 is improved.

The guide bar 134 and the guide groove 136 are extended from top to bottom to the lower end of the third upper cutter 130, the lower end of the upper cutter base 129 is provided with a guide rod 137 extended downward from the lower end of the upper cutter base 129, and the lower end of the guide rod 137 is disposed in the lower shearing die 112. The guide rod 137 and the upper cutter underframe 129 are of an integrated structure, the third upper cutter 130 and the upper cutter underframe 129 are also positioned in a matched mode through the guide strip 134 and the guide groove 136, the stability of the third upper cutter 130 during shearing is improved, and shearing errors caused by the fact that the third upper cutter 130 shakes during shearing are avoided.

The shearing lower die 112 comprises a shearing groove 138 and positioning plates 139, the shearing groove 138 is arranged between the flanging pressing plates 114, the positioning plates 139 are respectively arranged at two ends of the shearing groove 138, and the guide rods 137 are arranged in the shearing groove 138 and positioned between the positioning plates 139. The upper die running plate 109 drives the third upper cutter 130 to move downwards, the lower end of the third upper cutter 130 enters the shearing groove 138, the thin steel plate is sheared, the thickness of the positioning plate 139 is equal to the distance between the shearing grooves 138, and the flanging pressing plate 114 abuts against two side faces of the positioning plate 139 respectively, so that the structure of the shearing lower die 112 is simplified, and the shearing upper die 111 and the shearing lower die 112 are conveniently matched for shearing.

The frame body 108 comprises a first oil cylinder fixing plate 140 and a frame body supporting plate 141, a second mounting frame 142 mounted on the frame body supporting plate 141 is arranged above the frame body supporting plate 141, the second mounting frame 142 is symmetrically arranged at two sides of the shearing lower die 112, an infrared correlation stop switch 143 connected with the PLC 9 is arranged on the second mounting frame 142, the infrared correlation stop switch 143 is mounted at the upper end of the second mounting frame 142, the height of the infrared correlation stop switch 143 is higher than that of the shearing lower die 112, the first oil cylinder fixing plate 140 is arranged above the upper die operation plate 109, a first driving oil cylinder 144 connected with the upper die operation plate 109 is arranged on the first oil cylinder fixing plate 140, the first driving oil cylinder 144 drives the upper die operation plate 109 to move up and down, the frame body supporting plate 141 is arranged below the second lower die fixing plate 110 and fixedly connected with the second lower die fixing plate 110, supporting main shafts 145 are uniformly distributed on the frame body supporting plate 141, the first cylinder fixing plate 140 and the frame body supporting plate 141 are respectively provided at an upper end of the supporting main shaft 145 and a lower end of the supporting main shaft 145, the supporting main shaft 145 penetrates the upper mold operation plate 109, and the upper mold operation plate 109 moves up and down on the supporting main shaft 145. The first driving oil cylinder 144 is fixedly installed on the first oil cylinder fixing plate 140, the first driving oil cylinder 144 drives the upper die operation plate 109 to drive the upper shearing die 111 to move downwards, so that the up-and-down movement stability of the upper shearing die 111 is ensured, the upper die operation plate 109 is positioned through the supporting main shaft 145, the up-and-down movement and shearing stability of the upper die operation plate 109 are ensured, the shearing precision is improved, when a notch in the thin steel plate moves to the position of the infrared correlation stop switch 143, the infrared correlation stop switch 143 transmits the position information of the thin steel plate to the PLC 9, the PLC 9 controls the driving device for driving the thin steel plate to move to stop working, and controls the first driving oil cylinder 144 to drive the upper die operation plate 109 to move downwards, so that the upper shearing die 111 can conveniently shear the middle part of the notch of the thin steel plate, the accuracy of the shearing position is improved, and the flanging operation is facilitated.

A push-pull shaft 146 is arranged below the frame body supporting plate 141, a push-pull shaft fixing plate 147 connected with the push-pull shaft 146 is arranged at the lower end of the push-pull shaft 146, the upper end of the push-pull shaft 146 is connected with the flanging lower die 113 and drives the flanging lower die 113 to move up and down, a second oil cylinder fixing plate 148 connected with the frame body supporting plate 141 is arranged below the frame body supporting plate 141, a second driving oil cylinder 149 connected with the push-pull shaft fixing plate 147 is arranged on the second oil cylinder fixing plate 148, the second driving oil cylinder 149 drives the push-pull shaft fixing plate 147 to move up and down, a second vertically arranged mounting plate 150 is arranged on the second oil cylinder fixing plate 148, a flanging upper jacking terminal point photoelectric switch 151 and a flanging upper jacking original point photoelectric switch 152 which are connected with the second mounting plate 150 are arranged on the second mounting plate 150, the flanging upper jacking terminal point photoelectric switch 151 is arranged below the flanging upper jacking original point photoelectric switch 152, and the flanging upper jacking terminal point photoelectric switch 151 and the flanging upper jacking original point photoelectric switch 152 are both arranged on one side of the push-pull shaft fixing plate 147. The push-pull shaft 146 is connected with the lifting plate 122 of the flanging lower die 113, the lower end of the push-pull shaft 146 is fixed through the push-pull shaft fixing plate 147, and are uniformly distributed on the push-pull shaft fixing plate 147, so that the push-pull shaft fixing plate 147 can synchronously push the push-pull shaft 146 to move upwards, therefore, the flanging lower die 113 moves upwards synchronously, the second driving oil cylinder 149 drives the flanging lower die 113 to move up and down synchronously through the push-pull shaft fixing plate 147 and the push-pull shaft 146, so that the flanging lower die 113 performs flanging on the thin steel plate synchronously, the working efficiency of the technology is improved, the flanging top-jacking end point photoelectric switch 151 and the flanging top-jacking original point photoelectric switch 152 are respectively used for detecting the moving end point position and the original point position of the push-pull shaft fixing plate 147, and then the stroke of the push-pull shaft fixing plate 147 moving up and down is controlled through the PLC 9 and the second driving oil cylinder 149, thereby controlling the stroke of the flanging lower die 113 moving up and down and realizing the accurate flanging of the thin steel plate.

The fixed connecting piece 118 is provided with a balance rack 153 which is vertically arranged, two ends of the balance shaft 117 are sleeved with balance teeth 154 which are fixedly connected with the balance shaft 117, and the balance teeth 154 are meshed with the balance rack 153. The upper end of the fixed connecting piece 118 and the lower end of the fixed connecting piece 118 are respectively connected with the first oil cylinder fixing plate 140 and the frame body supporting plate 141, the two sides of the upper die running plate 109 are provided with connecting buckles connected with the upper die running plate 109, the balance shaft 117 penetrates through the connecting buckles, when the upper die running plate 109 moves up and down, the two sides of the upper die running plate 109 are matched with the balance rack 153 through the balance teeth 154, and the moving stability and the moving position precision of the upper die running plate 109 are further improved.

Example 2

As shown in fig. 1 to 25, in embodiment 1, the excess material shearing device 6 includes a second shearing support 155, a push-pull cylinder 156 connected to the second shearing support 155 is disposed above the second shearing support 155, a moving plate 157 connected to the push-pull cylinder 156 is disposed on one side of the second shearing support 155, the push-pull cylinder 156 drives the moving plate 157 to move up and down, an upper shearing blade 158 connected to the moving plate 157 is disposed below the moving plate 157, and a lower shearing blade 166 connected to the second shearing support 155 is disposed below the upper shearing blade 158. When the device works on a production line, the second shearing supports 155 are symmetrically arranged and are respectively arranged on two sides of the thin steel plate, the shearing upper cutter 158 and the shearing lower cutter 166 are positioned at the side positions close to the thin steel plate, the second shearing supports 155 are fixedly connected with a rack of the production line through the shearing support fixing plates 188, when excess material shearing is needed, the push-pull air cylinder 156 pushes the movable plate 157 to move downwards, and the movable plate 157 drives the shearing upper cutter 158 to move downwards to be matched with the shearing lower cutter 166 to shear the excess material of the thin steel plate.

The second shearing support 155 comprises a vertical fixing plate 159 and a transverse fixing plate 160, wherein the vertical fixing plate 159 and the transverse fixing plate 160 are vertically arranged, one end of the transverse fixing plate 160 is connected with the upper end of the vertical fixing plate 159, the push-pull air cylinder 156 is arranged above the transverse fixing plate 160 and connected with the transverse fixing plate 160, the moving plate 157 is arranged in parallel with the vertical fixing plate 159, and the moving plate 157 is arranged below the other end of the transverse fixing plate 160. The cylinder shaft of the push-pull cylinder 156 penetrates through the transverse fixing plate 160 and is connected with the moving plate 157, the push-pull cylinder 156 is arranged on the transverse fixing plate 160, the push-pull cylinder 156 can control the moving plate 157 to move up and down conveniently, and therefore the upper shearing knife 158 can be controlled to move up and down conveniently to be matched with the lower shearing knife 166 to shear the excess materials.

The vertical fixing plate 159 is provided with a second guide rail 161 which is vertically arranged, the second guide rail 161 is arranged on one side of the vertical fixing plate 159 close to the movable plate 157, the second guide rail 161 is provided with a slider 162 which is matched with the second guide rail 161, the slider 162 moves up and down on the second guide rail 161, and the slider 162 is connected with the movable plate 157. The moving plate 157 moves on the second guide rail 161 via the slider 162, and guides the up-and-down movement of the moving plate 157, thereby improving the up-and-down movement stability and movement accuracy of the moving plate 157.

An upper cutter shaft 163 transversely penetrating the slider 162 is arranged at the lower end of the slider 162, the upper shearing cutter 158 is sleeved on the upper cutter shaft 163, a lower cutter shaft 164 transversely penetrating the vertical fixing plate 159 is arranged at the lower end of the vertical fixing plate 159, and the lower shearing cutter 166 is sleeved on the lower cutter shaft 164. The upper shearing knife 158 rotates on the upper cutting knife shaft 163, the lower shearing knife 166 rotates on the lower cutting knife shaft 164, and the upper shearing knife 158 and the lower shearing knife 166 are matched to form rolling shearing, so that the shearing efficiency and stability are improved.

The upper cutter shaft 163 is further sleeved with an upper shearing cutter holder 165, the upper shearing cutter 158 is installed on one side, close to the moving plate 157, of the upper shearing cutter holder 165, the diameter of a cylinder of the upper shearing cutter 158 is larger than that of the cylinder of the upper shearing cutter holder 165, and during shearing, the side face, far away from the moving plate 157, of the upper shearing cutter 158 is abutted against the side face, close to the moving plate 157, of the lower shearing cutter 166 to perform rolling shearing. The shearing upper knife 158 is mounted on the upper knife shaft 163 through the shearing upper knife holder 165, so that on one hand, the stability of the shearing upper knife 158 during rolling shearing is improved, the end face of the shearing upper knife 158 and the end face of the shearing lower knife 166 are convenient to intersect to realize rolling shearing, on the other hand, after the shearing upper knife 158 is used for a long time, the maintenance or replacement of the shearing upper knife 158 is convenient, and the use cost of the technology is reduced.

The shearing device further comprises a backer 167 connected with the rack, the backer 167 is arranged on one side of the upper shearing blade 158, a fixed seat 168 fixedly connected with the backer 167 is arranged at one end, close to the upper shearing blade 158, of the backer 167, and an optical fiber switch 169 connected with the fixed seat 168 is arranged on the fixed seat 168. The thin steel plate moved to the position of the backer 167 is positioned through the backer 167, so that the optical fiber switch 169 on the fixed seat 168 can conveniently monitor the excess material of the thin steel plate, when the optical fiber switch 169 monitors that the excess material exists on the side edge of the thin steel plate, the PLC 9 receives a signal of the optical fiber switch 169 and controls the push-pull air cylinder 156 to drive the moving plate 157 to move downwards, the shearing upper knife 158 and the shearing lower knife 166 roll and shear the excess material on the thin steel plate, errors caused by manual measurement of the excess material and shearing are avoided, and the excess material shearing efficiency and the shearing precision are improved.

Example 3

As shown in fig. 1 to 25, on the basis of embodiment 2, two fixing seats 168 are provided and are respectively arranged at the upper end of the fixing seat 168 and the lower end of the fixing seat 168, two optical fiber switches 169 are provided on the fixing seat 168, and the optical fiber switches 169 are respectively arranged on one side of the fixing seat 168 close to the shearing upper knife 158 and one side of the fixing seat 168 far away from the shearing upper knife 158. The distance between the optical fiber switches 169 is 25mm, when no excess material exists on the side edge of the thin steel plate, the upper and lower optical fiber switches 169 on the backer 167 are shot oppositely, the PLC controller 9 controls the push-pull cylinder 156 to drive the shearing upper knife 158 to be at a high position, the thin steel plate moves towards the fixing seat 168 along the backer 167, when the excess material on the side edge of the thin steel plate is located between the upper and lower optical fiber switches 169, the shot-off of the optical fiber switches 169 is blocked by the excess material for more than 3 seconds, the PLC controller 9 receives a signal of the optical fiber switches 169 and controls the push-pull cylinder 156 to drive the shearing upper knife 158 to move downwards, the end face of the shearing upper knife 158 and the end face of the shearing lower knife 166 are intersected to shear the excess material, the automatic shearing of the excess material of the thin steel plate is realized, the shearing mode is simplified, and the shearing precision is improved.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. The utility model provides a forming assembly line of cold bending of sheet steel, includes blowing frame (1), its characterized in that: the device also comprises a leveling traction device (2), a distance punching device (3), a roller forming device (4) and a shearing flanging device (5) which are arranged on one side of the material placing frame (1) in sequence, wherein one end of the roller forming device (4) far away from the shearing flanging device (5) is provided with a residual material shearing device (6) arranged on the roller forming device (4), a buffering part (7) is arranged between the material placing frame (1) and the leveling traction device (2), between the leveling traction device (2) and the distance punching device (3) and between the distance punching device (3) and the roller forming device (4), two sides of the buffering part (7) are provided with a correlation switch (8), the device also comprises a PLC controller (9), the leveling traction device (2), the distance punching device (3), the roller forming device (4), the shearing flanging device (5) and the correlation switch (8) are respectively connected with the PLC controller (9), the automatic leveling device is characterized by further comprising a longitudinal shearing device (10) and a transverse shearing device (11) which are respectively arranged on two sides of the leveling traction device (2), wherein a clamping plate device (172) connected with the longitudinal shearing device (10) is arranged on one side of the longitudinal shearing device (10), the clamping plate device (172) is arranged on one side far away from the leveling traction device (2), the clamping plate device (172) comprises two clamping plate supporting plates (173) which are arranged in parallel, the clamping plate supporting plates (173) are connected with the longitudinal shearing device (10), two rows of clamping plate shafts (175) which are arranged in parallel up and down are arranged between the clamping plate supporting plates (173), an adjusting plate (174) which is arranged in parallel with the clamping plate supporting plates (173) is further arranged between the clamping plate supporting plates (173), the clamping plate shafts (175) penetrate through the adjusting plate (174), screw rods (176) with two ends respectively connected with the clamping plate supporting plates (173) are arranged below the clamping plate shafts (175), and threaded holes which are matched with the screw rods (176) are arranged at the lower ends of the adjusting plate (174), the screw rod (176) penetrates through the threaded hole, a rotating handle (177) is arranged at the end part of one end of the screw rod (176), the rotating handle (177) drives the screw rod (176) to rotate and drives the adjusting plate (174) to move, the shearing flanging device (5) comprises a frame body (108), an upper die running plate (109) and a second lower die fixing plate (110) which are connected with the frame body (108) are arranged on the frame body (108), a balance shaft (117) which is connected with the upper die running plate (109) is arranged on the upper die running plate (109), a fixed connecting piece (118) which is connected with the frame body (108) is arranged on the frame body (108), the balance shaft (117) is connected with the fixed connecting piece (118), a balance rack (153) which is vertically arranged is arranged on the fixed connecting piece (118), balance teeth (154) which are fixedly connected with the balance shaft (117) are sleeved at two ends of the balance shaft (117), and the balance teeth (154) are meshed with the balance rack (153), a shearing upper die (111) connected with the upper die running plate (109) is arranged below the upper die running plate (109), shearing upper die frames (131) connected with the shearing upper die (111) are arranged at two ends of the shearing upper die (111), each shearing upper die frame (131) comprises an upper cutter base frame (132) and an upper cutter base (129), a dovetail groove (133) is formed in the end face of each upper cutter base (129), a guide strip (134) is arranged in each dovetail groove (133), a dovetail block (135) matched with each dovetail groove (133) is arranged on each upper cutter base frame (132), a guide groove (136) matched with each guide strip (134) is formed in the middle of each dovetail block (135), each guide strip (134) and each guide groove (136) extends to the lower end of a third upper cutter (130) from top to bottom, a guide rod (137) extending downwards from the lower end of each upper cutter base (129) is arranged at the lower end of each upper cutter base (129), the lower end of the guide rod (137) is arranged in the shearing lower die (112), the shearing lower die (112) comprises a shearing groove (138) and positioning plates (139), the shearing groove (138) is arranged between the flanging pressing plates (114), the positioning plates (139) are respectively arranged at two ends of the shearing groove (138), and the guide rod (137) is arranged in the shearing groove (138) and positioned between the positioning plates (139).

2. A cold roll forming line for a steel sheet as set forth in claim 1, wherein: flattening draw gear (2) are including first draw gear (12), flattening mounting bracket (13), flattening device (14), establish between vertical shearing mechanism (10) and flattening device (14) first draw gear (12), first draw gear (12) are including drawing support (15) and establishing traction shaft (16) on drawing support (15), it is equipped with spout (170) to draw between support (15) and flattening device (14), traction shaft (16) reciprocate in spout (170), flattening device (14) include first drive arrangement (17), driving shaft (18), driven shaft (19), first drive arrangement (17) drive driving shaft (18) rotate, the top at driving shaft (18) is established in driven shaft (19).

3. A cold roll forming line for a steel sheet as set forth in claim 2, wherein: longitudinal shearing device (10) is arranged on traction support (15), longitudinal shearing device (10) comprises a fixed frame (23), fixed frame (23) is arranged on traction support (15), fixed frame (23) comprises a first fixed plate (24), a shearing shaft (25) capable of moving up and down on first fixed plate (24) is arranged on first fixed plate (24), first fixed plate (24) is respectively arranged at two ends of shearing shaft (25), shearing shaft (25) is arranged between first fixed plate (24) in up-and-down parallel, cutting knife rest (26) and first cutting knife (29) are sleeved on shearing shaft (25), first cutting knife (29) is fixedly arranged on cutting knife rest (26), first cutting knife (29) comprises a first upper cutting knife (30) and a first lower cutting knife (31), first upper cutting knife (30) and first lower cutting knife (31) are arranged in a staggered mode, during shearing, the side surface of the lower end of the first upper cutter (30) is abutted against the side surface of the upper end of the first lower cutter (31) to form a shearing part.

4. A cold roll forming line for a steel sheet as set forth in claim 2, wherein: the horizontal shearing device (11) is arranged on the bracket (40) and is fixedly connected with the bracket (40), the horizontal shearing device (11) comprises a first shearing support (41), a second driving device (42), a second upper cutter (43) and a second lower cutter (44) are arranged on the first shearing support (41), the second driving device (42) is connected with the second upper cutter (43) and drives the second upper cutter (43) to move up and down, the second lower cutter (44) is fixedly connected with the first shearing support (41), the second upper cutter (43) and the second lower cutter (44) are arranged in a staggered manner, an upper cutter fixing seat (45) connected with the second driving device (42) is also arranged at the upper end in the first shearing support (41), the second driving device (42) drives the upper cutter fixing seat (45) to move up and down, the second upper cutter (43) is attached to the upper cutter fixing seat (45) and is fixedly connected with the upper cutter fixing seat (45), the lower end face of the upper knife fixing seat (45) is obliquely arranged from one end to the other end.

5. A cold roll forming line for a steel sheet as set forth in claim 1, wherein: the fixed-distance punching device (3) comprises a base (53) and a transmission frame (54) arranged on the base (53), a transmission shaft (55) connected with the transmission frame (54) is arranged on the transmission frame (54), a punching machine (58) sliding on the base (53) is further arranged on the base (53), the punching machine (58) is arranged on one side of the transmission frame (54), a die fixing platform (59) is arranged on the punching machine (58), a punching die (60) fixedly arranged on the die fixing platform (59) is arranged above the die fixing platform (59), a first guide rail (66) parallel to the transmission shaft (55) is arranged on the base (53), a guide rail sliding block (67) connected with the punching machine (58) is arranged below the punching machine (58), the guide rail sliding block (67) drives the punching machine (58) to slide back and forth on the first guide rail (66), and an adjusting screw rod (68) connected with the base (53) is further arranged on the base (53), an adjusting nut (69) connected with the punch (58) is arranged below the punch (58), the adjusting nut (69) is sleeved on the adjusting screw rod (68) and moves back and forth on the adjusting screw rod (68), and a second adjusting handle (198) connected with the adjusting screw rod (68) is arranged at the end part of the adjusting screw rod (68).

6. A cold roll forming line for a steel sheet as set forth in claim 5, wherein: stamping die (60) front and back symmetry is established on base (53), stamping die (60) include first lower die fixed plate (71) and first upper die fixed plate (72), one side of first lower die fixed plate (71) is equipped with first guide post (73) of vertical setting, one side of first upper die fixed plate (72) is worn to establish on first guide post (73) and is reciprocated on first guide post (73), the below of first upper die fixed plate (72) is equipped with core die fixed plate (74) of being connected with first upper die fixed plate (72), be equipped with in core die fixed plate (74) mould needle (77) and with core die needle (77) adaptation take out mandrel (80), the top of first lower die fixed plate (71) is equipped with lower mould (81) with first lower die fixed plate (71) fixed connection, set up first mould pinhole (82) with core needle (77) adaptation on lower mould (81).

7. A cold roll forming line for a steel sheet as set forth in claim 1, wherein: the roller forming device (4) comprises a forming rack (90), a movable support frame (91) connected with the forming rack (90) is arranged on one side above the forming rack (90), a slide rail (92) perpendicular to the movable support frame (91) is arranged on the forming rack (90), a slide rail slider (93) connected with the movable support frame (91) is arranged below the movable support frame (91), the slide rail slider (93) drives the movable support frame (91) to slide on the slide rail (92), a third driving device (96) connected with the movable support frame (91) is arranged on the forming rack (90), the third driving device (96) drives the movable support frame (91) to move on the forming rack (90), the third driving device (96) comprises a lead screw nut (97) arranged below the movable support frame (91) and connected with the movable support frame (91) and a lead screw (98) arranged on the forming rack (90) and connected with the forming rack (90), the lead screw (98) is perpendicular to the movable support frame (91), and the lead screw (98) is arranged in the lead screw nut (97) in a penetrating way.

8. A cold roll forming line for a steel sheet as set forth in claim 1, wherein: be equipped with on second lower mould fixed plate (110) with cut shearing lower mould (112) of last mould (111) adaptation, still be equipped with turn-ups lower mould (113) on second lower mould fixed plate (110), turn-ups lower mould (113) include turn-ups clamp plate (114) that reciprocate on second lower mould fixed plate (110), the both sides at shearing lower mould (112) are established in turn-ups clamp plate (114), go up mould (115) on the below of mould operation board (109) still is equipped with the turn-ups of being connected with last mould operation board (109), mould (115) are gone up in the turn-ups establish in the both sides of shearing last mould (111) and with cut and form turn-ups indent (116) between last mould (111).

9. A cold roll forming line for a steel sheet as set forth in claim 8, wherein: the both sides of cuting lower mould (112) are established to turn-ups lower mould (113) symmetry, turn-ups lower mould (113) include lifter plate (122) and turn-ups clamp plate (114) be connected with lifter plate (122), turn-ups clamp plate (114) are vertical to be established in one side of lifter plate (122), turn-ups clamp plate (114) are established and are close to the one side of shearing last mould (111) on lifter plate (122), cut and go up mould (111) and include cutter chassis (85) and last cutter (130) of the third of being connected with last cutter chassis (85), cutter (130) are established in the middle part of last cutter chassis (85) below on the third, the side of mould (115) offsets with the side of last cutter chassis (85) on the turn-ups.