CN114749930A

CN114749930A - Automatic production line for section steel arch frame connecting plates

Info

Publication number: CN114749930A
Application number: CN202210224038.1A
Authority: CN
Inventors: 郭爱强; 张远征; 刘朝阳; 吴哲喜; 王凯华; 张超纲; 常向阳; 史一星
Original assignee: China Railway No 3 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Current assignee: China Railway No 3 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-15

Abstract

The invention discloses an automatic production line for a profile steel arch frame connecting plate, which comprises a bottom plate, wherein a roller conveyor, a base, a material receiving box, a first automatic grabbing robot, a punching mechanism, a second automatic grabbing robot and profile steel cold bending processing equipment are fixedly arranged at the top of the bottom plate, the first automatic grabbing robot is positioned between the material receiving box and the punching mechanism, the second automatic grabbing robot is positioned between the punching mechanism and the profile steel cold bending processing equipment, the top of the material receiving box is of an opening structure, a shearing mechanism is arranged at the top of the base, and the shearing mechanism comprises a shearing box, a cutting table, two cylinders, a lifting plate cutting assembly and a pressing fixing assembly. The steel material conveying, cutting, punching, blanking, cold bending and welding integrated machine is reasonable in design and good in practicability, can automatically carry out integrated operation of conveying, cutting, punching, blanking, cold bending and welding on steel materials, is high in automation degree, reduces the number of workers, reduces the labor amount of workers, and improves working efficiency.

Description

Automatic production line for section steel arch frame connecting plates

Technical Field

The invention relates to the technical field of production of profile steel arch connecting plates, in particular to an automatic production line of profile steel arch connecting plates.

Background

At present, in tunnel construction, connecting plates with connecting holes are arranged at two ends of a profile steel arch through welding, bolts penetrate through the connecting holes in the connecting plates, two adjacent profile steel arches are connected to form an arch structure of a tunnel, the using amount of the profile steel arch connecting plates is increased along with the common application of tunnel construction, and various devices such as a cutting machine, a punching machine, an I-steel cold bending machine and a welding machine need to be used in the production and processing process of the profile steel arch connecting plates.

However, in the prior art, in the production and processing process of the structural steel arch connecting plate, multiple devices such as a cutting machine, a punching machine, an i-steel cold bending machine and a welding machine are usually placed respectively, so that the occupied space is large, the processing procedures are performed separately, and the processing treatments such as feeding, cutting, punching, structural steel blanking, structural steel cold bending and welding need to be performed sequentially through manual operation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic production line for a profile steel arch connecting plate, which solves the problems that in the production and processing process of the profile steel arch connecting plate, various devices such as a cutting machine, a punching machine, an I-steel cold bending machine, a welding machine and the like are generally placed respectively, the occupied space is large, the processing procedures are performed separately, and the processing treatments such as feeding, cutting, punching, profile steel blanking, profile steel cold bending, welding and the like are required to be performed in sequence by manual operation.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shaped steel bow member connecting plate automation line, includes the bottom plate, the top fixed mounting of bottom plate has cylinder conveyer, base, receipts workbin, first automatic snatchs the robot, punches a hole the mechanism, the second snatchs the robot and shaped steel cold-bending processing equipment automatically, and first automatic snatchs the robot and is located between receiving the workbin and the mechanism of punching a hole, and the second snatchs the robot and is located between punching a hole the mechanism and the shaped steel cold-bending processing equipment, and the top of receiving the workbin is the opening structure, and the top of base is provided with shears the mechanism.

Preferably, shear the mechanism and include shearing case, cutting bed, two cylinders, lifter plate cutting assembly and compress tightly fixed subassembly, shearing case fixed mounting is at the top of base, and the both sides of shearing case are the opening structure, and cutting bed fixed mounting is on the bottom inner wall of shearing case, and the cutting groove that both sides are the opening structure is seted up at the top of cutting bed, and the equal fixed mounting of two cylinders is on the top inner wall of shearing case, and lifter plate fixed mounting is at the output axle head of two cylinders.

Preferably, the cutting assembly includes the slide, the cutting motor, the cutting tool, lead screw and driving motor, the rectangle slide opening has been seted up at the top of lifter plate, slide slidable mounting is in the rectangle slide opening, the top and the bottom of slide all extend to outside the rectangle slide opening, cutting motor fixed mounting is in the bottom of slide, cutting tool fixed mounting is at the output axle head of cutting motor, the lead screw rotates to be installed in the rectangle slide opening, the slide screw thread cup joints on the lead screw, driving motor fixed mounting is on the rear side wall of lifter plate, the rear end of lead screw extend to the lifter plate outside and with driving motor's output shaft fixed connection.

Preferably, the inner walls of the two sides of the rectangular sliding hole are provided with limiting grooves, the two sides of the sliding seat are fixedly provided with limiting rods, and the two limiting rods are respectively slidably mounted in the corresponding limiting grooves.

Preferably, compress tightly fixed subassembly and include two montants, two clamp plates and two springs, two round holes have been seted up at the top of lifter plate, and two montants are slidable mounting respectively in corresponding round hole, and outside the both ends of montant all extended to the round hole, two clamp plates fixed mounting respectively in the bottom of corresponding montant, the bottom of two springs respectively with the top fixed connection of corresponding clamp plate, the top of two springs all with the bottom fixed connection of lifter plate, two springs overlap respectively and establish on corresponding montant.

Preferably, fixed mounting has the limit baffle of vertical setting on the top inner wall of shearing box, and the right side fixed mounting of cutting bed has the deflector that the slope set up, and one side that the cutting bed was kept away from to the deflector extends to the shearing box outside and is located the top of receiving the workbin.

Preferably, the mechanism of punching a hole includes the platform of punching a hole, four support columns, four stands, the roof, the pneumatic cylinder, punching press board and four drifts, the equal fixed mounting of four support columns is at the top of bottom plate, four support columns are two bisymmetry settings, the platform fixed mounting that punches a hole is on the top of four support columns, four blanking holes have been seted up at the top of the platform of punching a hole, the equal fixed mounting of four stands is at the top of the platform of punching a hole, four stands are two bisymmetry settings, roof fixed mounting is on the top of four stands, pneumatic cylinder fixed mounting is in the bottom of roof, punching press board fixed mounting is at the output axle head of pneumatic cylinder, the equal fixed mounting of four drifts is in the bottom of punching press board, four drifts are located corresponding blanking hole directly over respectively.

Preferably, a waste collection box is placed at the top of the bottom plate and located below the punching table, and the top of the waste collection box is of an opening structure.

(III) advantageous effects

The invention provides an automatic production line for a section steel arch center connecting plate. The method has the following beneficial effects:

(1) this a shaped steel bow member connecting plate automation line, can carry the one end of steel material to the direction of shearing incasement through utilizing cylinder conveyer, through starting cutting motor work, steerable cutting tool is high-speed rotatory, through starting two cylinder work, steerable lifter plate, cutting motor, cutting tool, two montants and the vertical downstream of two clamp plates, make two clamp plates move down earlier to the top contact with the steel material, two springs receive compression deformation gradually and produce elasticity, utilize two springs to apply for the vertical decurrent reaction force of corresponding clamp plate, and then utilize two clamp plates to compress tightly the steel material is automatic to be fixed in cutting groove, avoid the steel material to take place to shift in cutting process.

(2) The automatic production line for the section steel arch center connecting plate has the advantages that the section steel arch center connecting plate can be automatically and automatically manufactured, the movable seat, the cutting motor and the cutting tool can be controlled to move horizontally, and then the high-speed rotation and the horizontal movement of the cutting tool are utilized, the steel material can be cut off, the cut steel material slides down to the material receiving box along the inclined direction of the guide plate for storage, the roller conveyor is started to continuously convey the steel material, and when one end of the steel material is continuously conveyed to be abutted against the limit baffle, according to the steps, can continuously carry out automatic cutting processing on the steel materials, and the limit baffle plate is utilized to stop and limit the moving stroke of the steel materials, so that the length of each cut steel material is the same, and then can realize carrying out automatic cutout to the steel material to can compress tightly fixedly the steel material automatically when the cutting, can guarantee that the length of every steel material that the cutting is good is the same.

(3) This shaped steel bow member connecting plate automation line, through utilizing first automatic robot that snatchs, can snatch and shift the steel material that receives the incasement cutting good and place on the platform that punches a hole, through starting hydraulic cylinder work, steerable punching press board and the vertical downstream of four drifts, can punch a hole to the steel material that cuts, through utilizing the second automatic robot that snatchs, can snatch and shift the steel material that punches a hole the completion to shaped steel cold bending processing equipment in, can carry out cold bending processing and welding process to the steel material in proper order, and then realized carrying the steel material automatically, cut processing, punch a hole, the unloading, cold bending processing and welding process's integrated operation, work efficiency is improved, the workman quantity has been reduced, staff's the amount of labour has been reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic sectional top view of the lifter plate;

FIG. 5 is an enlarged view of portion B of FIG. 2;

FIG. 6 is a schematic sectional structure view from above of the cold-bending processing apparatus for section steel.

In the figure: 1. a base plate; 2. a roller conveyor; 3. a base; 4. a material receiving box; 5. a first automatic gripping robot; 6. a second automatic gripping robot; 7. cold bending equipment for section steel; 8. a shearing box; 9. cutting table; 10. cutting the groove; 11. a cylinder; 12. a lifting plate; 13. a rectangular slide hole; 14. a slide base; 15. cutting the motor; 16. cutting a cutter; 17. a screw rod; 18. a drive motor; 19. a vertical rod; 20. pressing a plate; 21. a spring; 22. a limit baffle; 23. a guide plate; 24. a punching table; 25. a support pillar; 26. a column; 27. a top plate; 28. a hydraulic cylinder; 29. stamping the plate; 30. a punch; 31. a waste collection tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the present invention provides a technical solution: an automatic production line for a profile steel arch connecting plate comprises a bottom plate 1, wherein a roller conveyor 2, a base 3, a material receiving box 4, a first automatic grabbing robot 5, a punching mechanism, a second automatic grabbing robot 6 and profile steel cold bending processing equipment 7 are fixedly arranged at the top of the bottom plate 1, the roller conveyor 2 can be used for conveying steel materials, the material receiving box 4 can be used for storing cut steel materials, the first automatic grabbing robot 5 can grab and transfer the steel materials in the material receiving box 4, the punching mechanism is arranged for punching the cut steel materials, the second automatic grabbing robot 6 can grab and transfer the steel materials finished by punching, the profile steel cold bending processing equipment 7 can be used for carrying out arch bending processing on the punched steel materials, the first automatic grabbing robot 5 is arranged between the material receiving box 4 and the punching mechanism, the second automatic grabbing robot 6 is arranged between the punching mechanism and the profile steel cold bending processing equipment 7, the top of the material receiving box 4 is of an opening structure, the top of the base 3 is provided with a shearing mechanism, automatic cutting of steel materials can be achieved through the arrangement of the shearing mechanism, and the same length of each cut steel material can be guaranteed.

In this embodiment, shear the mechanism and include shearing box 8, cutting bed 9, two cylinders 11, lifter plate 12 cutting assembly and compress tightly fixed subassembly, 8 fixed mounting at the top of base 3 of shearing box, 8 both sides of shearing box are the opening structure, 9 fixed mounting of cutting bed is on the bottom inner wall of shearing box 8, cutting groove 10 that both sides are the opening structure is seted up at the top of cutting bed 9, two equal fixed mounting of cylinder 11 are on the top inner wall of

shearing box

8, 12 fixed mounting of lifter plate are at the output axle head of two cylinders 11, through utilizing two cylinders 11, steerable lifter plate 12 risees or descends, cut groove 10 through setting up, can carry the steel material to cutting processing in the groove 10.

In the embodiment, the cutting assembly comprises a sliding seat 14, a cutting motor 15, a cutting tool 16, a screw rod 17 and a driving motor 18, a rectangular sliding hole 13 is formed in the top of the lifting plate 12, the sliding seat 14 is slidably mounted in the rectangular sliding hole 13, the top and the bottom of the sliding seat 14 both extend out of the rectangular sliding hole 13, the cutting motor 15 is fixedly mounted at the bottom of the sliding seat 14, the cutting tool 16 is fixedly mounted at the output shaft end of the cutting motor 15, the screw rod 17 is rotatably mounted in the rectangular sliding hole 13, the sliding seat 14 is in threaded sleeve connection with the screw rod 17, the driving motor 18 is fixedly mounted on the rear side wall of the lifting plate 12, the rear end of the screw rod 17 extends out of the lifting plate 12 and is fixedly connected with the output shaft end of the driving motor 18, by using the cutting motor 15, the cutting tool 16 can be controlled to rotate at a high speed, and the sliding seat 14 can be controlled to drive the cutting motor 15 and the cutting tool 16 to move horizontally by utilizing the threaded connection and matching of the screw rod 17 and the sliding seat 14.

In this embodiment, the inner walls of the two sides of the rectangular sliding hole 13 are both provided with a limiting groove, the two sides of the sliding seat 14 are both fixedly provided with a limiting rod, the two limiting rods are respectively slidably mounted in the corresponding limiting grooves, and the moving stroke of the sliding seat 14 can be limited by utilizing the sliding connection fit of the limiting rods in the limiting grooves.

In this embodiment, compress tightly fixed subassembly and include two montants 19, two clamp plates 20 and two springs 21, two round holes have been seted up at the top of lifter plate 12, two montants 19 are slidable mounting respectively in corresponding round hole, the both ends of montant 19 all extend to outside the round hole, two clamp plates 20 are fixed mounting respectively in the bottom of corresponding montant 19, the bottom of two springs 21 respectively with the top fixed connection of corresponding clamp plate 20, the top of two springs 21 all with the bottom fixed connection of lifter plate 12, two springs 21 overlap respectively and establish on corresponding montant 19, utilize two clamp plates 20 to compress tightly the steel material and fix in cutting groove 10, avoid the steel material to take place the aversion among the cutting process, through the elastic action who utilizes two springs 21, steerable two clamp plates 20 automatic re-setting, the width size of two clamp plates 20 is less than the interior wide size of cutting groove 10.

In this embodiment, fixed mounting has the limit baffle 22 of vertical setting on the top inner wall of shear box 8, the right side fixed mounting of cutting bed 9 has the deflector 23 that the slope set up, one side that cutting bed 9 was kept away from to deflector 23 extends to shear box 8 outside and is located the top of receiving workbin 4, through setting up limit baffle 22, can block spacingly to the displacement of steel material, and then can guarantee that the length of the steel material of cutting at every turn is the same, through setting up stock guide 23, can deposit in receiving workbin 4 with the steel material guide that the cutting is good.

In this embodiment, the punching mechanism includes a punching table 24, four supporting columns 25, four upright columns 26, a top plate 27, a hydraulic cylinder 28, a punching plate 29 and four punches 30, the four supporting columns 25 are all fixedly mounted on the top of the bottom plate 1, the four supporting columns 25 are arranged in a pairwise symmetry manner, the punching table 24 is fixedly mounted on the top ends of the four supporting columns 25, the top of the punching table 24 is provided with four blanking holes, the four upright columns 26 are all fixedly mounted on the top of the punching table 24, the four upright columns 26 are arranged in a pairwise symmetry manner, the top plate 27 is fixedly mounted on the top ends of the four upright columns 26, the hydraulic cylinder 28 is fixedly mounted on the bottom of the top plate 27, the punching plate 29 is fixedly mounted on an output shaft end of the hydraulic cylinder 28, the four punches 30 are all fixedly mounted on the bottom of the punching plate 29, the four punches 30 are respectively located right above the corresponding blanking holes, and the punching plate 29 and the four punches 30 can be controlled to ascend or descend by using the hydraulic cylinder 28, four punches 30 can be used to simultaneously punch four holes in the steel material.

In this embodiment, the scrap collecting box 31 is placed on the top of the base plate 1 below the punching table 24, the top of the scrap collecting box 31 is open, and scrap generated in the steel punching process can be collected by using the scrap collecting box 31.

In this embodiment, a six-axis robot sensing clamping connecting plate positioning spot welding device is further arranged in the section steel cold-bending processing device 7, and automatic welding processing can be performed by using the six-axis robot sensing multi-position surface.

In this embodiment, the driving motor 18 is a reversible motor, and further can control the screw rod 17 to rotate forward or backward.

The working principle is as follows: when the steel material cutting device is used, a steel material is placed on the roller conveyor 2, one end of the steel material can be conveyed towards the direction in the cutting box 8 by the roller conveyor 2, so that the one end of the steel material gradually penetrates through the cutting groove and is abutted against the limit baffle 22, the conveying of the steel material is suspended, then the cutting motor 15 is started to work, the cutting motor 15 drives the cutting tool 16 to rotate at a high speed, then the two cylinders 11 are started to work, the two cylinders 11 drive the lifting plate 12, the cutting motor 15, the cutting tool 16, the two vertical rods 19 and the two pressing plates 20 to vertically move downwards, the two pressing plates 20 firstly move downwards to be in contact with the top of the steel material, along with the continuous downward movement of the lifting plate 12, the two springs 21 gradually receive compression deformation to generate elastic force, the vertically downward reaction force is applied to the corresponding pressing plates 20 by the two springs 21, and then the two pressing plates 20 can automatically compress and fix the steel material in the cutting groove 10, the steel material is prevented from shifting in the cutting process, when the cutting tool 16 rotating at a high speed moves downwards to be in contact with the steel material, the cutting processing can be carried out on the steel material, the movable seat 14, the cutting motor 15 and the cutting tool 16 can be controlled to move horizontally by starting the driving motor 18 to rotate forwards or backwards, then the steel material can be cut off by utilizing the high-speed rotation and horizontal movement of the cutting tool 16, after the steel material is cut off, the driving motor 18 is stopped to work, the two cylinders 11 are started to reset, the lifting plate 12 can be controlled to lift back to the original position, the cut steel material automatically falls onto the guide plate 23 and slides into the material receiving box 4 along the inclined direction of the guide plate 23 to be stored, then the roller conveyor 2 can be started to continue to convey the steel material, when one end of the steel material is continuously conveyed to be abutted against the limit baffle 22, the automatic cutting processing can be continuously carried out on the steel material according to the steps, and then the limiting baffle 22 is used for stopping and limiting the moving stroke of the steel material, so that the length of each cut steel material is the same, further, the steel material can be automatically cut, the steel material can be automatically compressed and fixed during cutting, the same length of each cut steel material can be ensured, the cut steel material in the material receiving box 4 can be grabbed and transferred to be placed on the punching table 4 by opening the first automatic grabbing robot 5, then the hydraulic cylinder 28 is started to work, the hydraulic cylinder 28 can drive the punching plate 29 and the four punching heads 30 to vertically move downwards, the cut steel material can be punched by utilizing the vertical downward movement of the four punching heads 30, after the punching is finished, the hydraulic cylinder 28 is started to reset, the hydraulic cylinder 28 drives the punching plate 29 and the four punching heads 30 to vertically move upwards to return to the original positions, and the second automatic grabbing robot 6 is started to work, the steel material that can accomplish punching a hole snatchs and shifts to in shaped steel cold-bending processing equipment 7, can carry out cold-bending processing and welding process to the steel material in proper order, the steel material that is processed is discharged from the discharge gate of shaped steel cold-bending processing equipment 7, and then realized carrying automatically the steel material, cut processing, punch a hole, unloading, cold-bending processing and welding process's integration operation, work efficiency has been improved, workman's quantity has been reduced, staff's the amount of labour has been reduced, the content of not making detailed description in this description all belongs to the known prior art of the professional technical personnel in this field simultaneously.

To sum up, this shaped steel bow member connecting plate automation line can realize carrying, cutting process, punching a hole, unloading, cold-bending processing and welding process's integrated operation to the steel material automatically, and degree of automation is high, has reduced workman's quantity, has reduced staff's the amount of labour, has improved work efficiency.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaped steel bow member connecting plate automation line, includes bottom plate (1), its characterized in that: the top fixed mounting of bottom plate (1) has roller conveyor (2), base (3), receives workbin (4), first automatic snatchs robot (5), the mechanism of punching a hole, the second snatchs robot (6) and shaped steel cold-bending processing equipment (7) automatically, first automatic snatchs robot (5) and is located receive workbin (4) with punch a hole between the mechanism, the second snatchs robot (6) automatically and is located punch a hole the mechanism with between shaped steel cold-bending processing equipment (7), the top of receiving workbin (4) is the opening structure, the top of base (3) is provided with shears the mechanism.

2. A shaped steel bow connecting plate automation line of claim 1, wherein: shear mechanism includes shearing case (8), cutting bed (9), two cylinders (11), lifter plate (12) cutting assembly and compresses tightly fixed subassembly, shearing case (8) fixed mounting be in the top of base (3), the both sides of shearing case (8) are the opening structure, cutting bed (9) fixed mounting be in on the bottom inner wall of shearing case (8), cutting groove (10) that both sides are the opening structure are seted up at the top of cutting bed (9), two the equal fixed mounting of cylinder (11) is in on the top inner wall of shearing case (8), lifter plate (12) fixed mounting is two the output axle head of cylinder (11).

3. A shaped steel bow connecting plate automation line according to claim 2, characterized in that: the cutting component comprises a sliding seat (14), a cutting motor (15), a cutting tool (16), a screw rod (17) and a driving motor (18), a rectangular sliding hole (13) is formed in the top of the lifting plate (12), the sliding seat (14) is slidably mounted in the rectangular sliding hole (13), the top and the bottom of the sliding seat (14) extend out of the rectangular sliding hole (13), the cutting motor (15) is fixedly arranged at the bottom of the sliding seat (14), the cutting tool (16) is fixedly arranged at the output shaft end of the cutting motor (15), the screw rod (17) is rotatably arranged in the rectangular sliding hole (13), the sliding seat (14) is sleeved on the screw rod (17) in a threaded manner, the driving motor (18) is fixedly arranged on the rear side wall of the lifting plate (12), the rear end of the screw rod (17) extends out of the lifting plate (12) and is fixedly connected with the output shaft end of the driving motor (18).

4. A shaped steel bow connecting plate automation line of claim 3, characterized in that: limiting grooves are formed in the inner walls of the two sides of the rectangular sliding hole (13), limiting rods are fixedly mounted on the two sides of the sliding seat (14), and the two limiting rods are slidably mounted in the corresponding limiting grooves respectively.

5. A shaped steel bow connecting plate automation line according to claim 2, characterized in that: compress tightly fixed subassembly and include two montants (19), two clamp plates (20) and two springs (21), two round holes have been seted up at the top of lifter plate (12), two montant (19) slidable mounting respectively is corresponding in the round hole, the both ends of montant (19) all extend to outside the round hole, two clamp plate (20) fixed mounting respectively is corresponding the bottom of montant (19), two the bottom of spring (21) respectively with corresponding the top fixed connection of clamp plate (20), two the top of spring (21) all with the bottom fixed connection of lifter plate (12), two spring (21) overlap respectively and establish correspondingly on montant (19).

6. A shaped steel bow connecting plate automation line of claim 1, wherein: fixed mounting has limit baffle (22) of vertical setting on the top inner wall of shear box (8), the right side fixed mounting of cutting bed (9) has deflector (23) that the slope set up, one side that cutting bed (9) were kept away from in deflector (23) extends to shear box (8) outside and is located receive the top of workbin (4).

7. The automatic production line for the section steel arch connecting plates according to claim 1, wherein: the punching mechanism comprises a punching table (24), four supporting columns (25), four stand columns (26), a top plate (27), a hydraulic cylinder (28), a punching plate (29) and four punch heads (30), wherein the four supporting columns (25) are fixedly installed at the top of the bottom plate (1), the four supporting columns (25) are symmetrically arranged in pairs, the punching table (24) is fixedly installed at the top ends of the four supporting columns (25), four blanking holes are formed in the top of the punching table (24), the four stand columns (26) are fixedly installed at the top of the punching table (24), the four stand columns (26) are symmetrically arranged in pairs, the top plate (27) is fixedly installed at the top ends of the four stand columns (26), the hydraulic cylinder (28) is fixedly installed at the bottom of the top plate (27), and the punching plate (29) is fixedly installed at the output shaft end of the hydraulic cylinder (28), the four punch heads (30) are fixedly arranged at the bottom of the stamping plate (29), and the four punch heads (30) are respectively positioned right above the corresponding blanking holes.

8. A shaped steel bow connecting plate automation line of claim 7, characterized in that: a waste collection box (31) positioned below the punching table (24) is placed at the top of the bottom plate (1), and the top of the waste collection box (31) is of an open structure.