CN111673480A - Automatic feeding intelligent welding production equipment for stair step corner protector for building - Google Patents

Abstract

The invention belongs to the technical field of building equipment, and relates to automatic feeding intelligent welding production equipment for stair step corner protectors for buildings. The angle steel push rod promotes angle steel raw and other materials and translates forward, compresses tightly the V-arrangement groove that direction head and pressure head embedding and compress tightly angle steel raw and other materials, and the alignment of drive roller subassembly is on one side drags vice pole raw and other materials from the right side to the left translation, and dynamic shear blade cuts off vice pole raw and other materials with the fixed shear blade, and the middle point of the vice pole before the bending is pressed downwards to the groove of buckling, welding robot welding. And the shearing blanking and the welding of the three auxiliary rods are completed by repeatedly performing the three times. The saw blade motor drives the circular saw blade to saw and press the raw material of the angle steel. The invention improves the automation and intelligence level, reduces the work of manual participation, reduces the labor intensity, realizes the automatic and accurate placement of the auxiliary rods, ensures the uniform distance among the three auxiliary rods, ensures that the parallelism errors of three sides of the three auxiliary rods positioned at the same side are smaller, ensures the regular shape and position of welding spots, and improves the internal quality and the appearance quality of products.

Description

Automatic feeding intelligent welding production equipment for stair step corner protector for building

Technical Field

The invention belongs to the technical field of building equipment, relates to production equipment for stair step angle protectors, and particularly relates to automatic feeding intelligent welding production equipment for the stair step angle protectors for buildings.

Background

One stepping angle bead is made of angle steel and round steel, namely a stepping angle bead 9, which comprises angle steel 91 and three auxiliary rods 92, wherein the angle steel 91 is standard angle steel with the specification of 30x30x3 mm, and the length value range of the angle steel 91 is 1-1.4 m according to the width of a stair. The secondary rod 92 is made of a round bar 6 mm in diameter and 160 mm in length, which is bent at a right angle at the midpoint. The plane defined by the two sides of the secondary lever 92 is perpendicular to the length direction of the angle iron 91. Two sides of the secondary lever 92 are respectively attached to two inner planes of the angle iron 91. And welding adjacent edges.

The current production process of the stepping angle bead 9 is that angle steel 91 and auxiliary rods 92 are respectively sawn on a sawing machine, then the auxiliary rods 92 are bent into right-angled bends on a bending machine, the positions of the three auxiliary rods 92 on the angle steel 91 are manually measured, marking lines are drawn, the auxiliary rods 92 are placed according to the positions of the marking lines, and welding is carried out. The existing production process has the disadvantages of large workload of manual participation, high labor intensity, large error of manually placing the auxiliary rods 92, uneven size intervals of the three auxiliary rods 92, large error of parallelism of three sides of the three auxiliary rods 92 positioned at the same side, and irregular shape and position of welding spots, and influences the inherent quality and the appearance quality of products.

Disclosure of Invention

The invention aims to improve the defects of the prior art and provide the automatic feeding intelligent welding production equipment for the stair step corner protector for the building, which improves the automation and intelligence levels, reduces the workload of manual participation, reduces the labor intensity, automatically and accurately places the auxiliary rods, ensures uniform spacing of the three auxiliary rods, has small error of parallelism of three sides of the three auxiliary rods positioned on the same side, ensures regular shape and position of welding spots, and improves the internal quality and the appearance quality of products.

The invention is realized by the following technical scheme:

an automatic feeding intelligent welding production device for stair step corner protectors for buildings comprises a rack, a synchronous belt component, a sawing component, a driving roller component and a welding robot; the welding robot is fixedly connected with the frame;

the rack comprises a worktable panel which is horizontally arranged; a disc saw avoiding seam which is through up and down is arranged on the working table panel; the length direction of the avoiding seam of the circular saw is the left-right direction;

the sawing component comprises an electric cylinder, a saw blade motor and a circular saw blade; the electric cylinder is a guide rod type electric cylinder and comprises an electric cylinder body and an electric cylinder push rod; the electric cylinder body is fixedly connected with the frame; the electric cylinder push rod is fixedly connected with the shell of the saw blade motor; the central hole of the circular saw blade is fixedly connected with the output shaft of the saw blade motor; the output shaft of the saw blade motor is arranged along the front-back horizontal direction; the output shaft of the saw blade motor is positioned below the working table panel, and the upper part of the circular saw blade is exposed above the working table panel through the circular saw avoiding gap; the saw blade motor drives the circular saw blade to rotate; the electric cylinder drives the combination of the saw blade motor and the circular saw blade to move horizontally in the left-right direction;

the synchronous belt assembly comprises a redirection synchronous wheel, a synchronous belt, a driving synchronous wheel and a synchronous belt servo motor; the direction-changing synchronous wheel is connected with the workbench panel through a revolute pair; a shell flange of the synchronous belt servo motor is fixedly connected with the worktable panel; an output shaft of the synchronous belt servo motor is fixedly connected with the driving synchronous wheel; the synchronous belt is simultaneously wound on the redirection synchronous wheel and the driving synchronous wheel and is simultaneously meshed with the redirection synchronous wheel and the driving synchronous wheel; the working edge of the synchronous belt is arranged along the front-back horizontal direction;

the driving roller assembly comprises a driving pair roller, a straightening press roller, a driving servo motor and a driving support plate; the driving support plate is fixedly connected with the frame; the driving double-roll and the straightening press roll are respectively connected with the driving support plate through a revolute pair; a shell flange of the driving servo motor is fixedly connected with the driving support plate, and an output shaft of the driving servo motor is respectively and fixedly connected with the driving pair roller and the straightening press roller; the driving double rollers are positioned at the leftmost end of the driving support plate, the auxiliary rod raw material passes through the roller grooves of the driving double rollers, and the driving servo motor drives the auxiliary rod raw material to translate from right to left through the driving double rollers; the plurality of straightening press rollers are staggered on the front side and the rear side of the auxiliary rod raw material on the right side of the driving pair roller, and play a role in straightening the auxiliary rod raw material;

the device also comprises a pushing assembly, a pressing guide assembly, a pressing assembly, a guide shearing assembly, a round steel wire roller and a bending assembly;

the rack also comprises a linear guide rail, a feeding V-shaped groove block and a cross-shaped groove block; the linear guide rail is fixedly connected to the upper surface of the workbench panel and is arranged along the front-back horizontal direction; the feeding V-shaped groove block is fixedly connected to the upper surface of the workbench panel, a feeding V-shaped groove is arranged on the feeding V-shaped groove block, the opening of the feeding V-shaped groove is upward, the feeding V-shaped groove extends along the front-back horizontal direction, and the front end of the feeding V-shaped groove is through; the feeding V-shaped groove block is positioned behind the disk saw avoiding gap; the cross fork groove block is fixedly connected to the upper surface of the working table panel and is positioned in front of the circular saw avoiding gap; the cross-shaped fork groove block is provided with a forming welding V-shaped groove, the opening of the forming welding V-shaped groove is upward, the forming welding V-shaped groove extends along the front and back horizontal direction, and the front end and the back end are through; the forming welding V-shaped groove and the feeding V-shaped groove are aligned front and back; the angle steel raw material of the angle steel of the step angle bead is placed in a combined V-shaped groove formed by a forming welding V-shaped groove and a feeding V-shaped groove; the cross-shaped groove block is also provided with a left U-shaped groove and a right U-shaped groove, the openings of the left U-shaped groove and the right U-shaped groove are upward and are through in the left-right direction, and the left U-shaped groove and the right U-shaped groove are aligned in the left-right direction; the bottom of the left U-shaped groove or the right U-shaped groove is higher than that of the forming welding V-shaped groove or the feeding V-shaped groove; the edge of the right end of the right U-shaped groove is a fixed shearing blade; when viewed from top to bottom, the central line of the combination of the left U-shaped groove and the right U-shaped groove and the groove bottom edge line of the forming welding V-shaped groove form a cross shape;

the pushing assembly comprises a pushing bracket, an angle steel push rod, a sliding block and a synchronous belt clamp; the angle steel push rod, the sliding block and the synchronous belt clamp are fixedly connected with the pushing bracket respectively; the slide block and the linear guide rail form a linear guide rail pair; the synchronous belt clip is fixedly connected with the working edge of the synchronous belt; the angle steel push rod is made of a section of angle steel, the opening of a V-shaped groove of the angle steel push rod is upward, the length direction of the angle steel push rod is the front-back horizontal direction, the angle steel push rod is placed in a combined V-shaped groove formed by a feeding V-shaped groove and a forming welding V-shaped groove, a synchronous belt servo motor drives a pushing assembly to translate from back to front along a linear guide rail through the combination of a bend synchronous wheel, a synchronous belt and a driving synchronous wheel, the angle steel push rod slides in the combined V-shaped groove formed by the feeding V-shaped groove and the forming welding V-shaped groove, and the angle steel push rod pushes angle steel raw materials and angle steel placed in the combined V-shaped groove formed by the forming welding;

the pressing guide assembly comprises a pressing guide cylinder and a pressing guide rod; the pressing guide cylinder comprises a pressing guide cylinder body and a pressing guide cylinder piston rod; the lower tail end of the pressing guide cylinder body is hinged with the frame through a pressing guide cylinder frame; the right end of the pressing guide rod is connected with the rack through a pressing guide head rack hinge; the left end of the pressing guide rod is provided with a V-shaped pressing guide head which protrudes downwards; the middle part of the compression guide rod is connected with the upper end of a compression guide cylinder piston rod through a compression guide head cylinder hinge; the pressing guide head is positioned right above the front end of the feeding V-shaped groove block; the pressing guide cylinder drives the pressing guide rod to swing up and down around the pressing guide head rack hinge, and when the pressing guide rod swings downwards, the pressing guide head is embedded into and presses the V-shaped groove of the angle steel raw material in the feeding V-shaped groove block; when the pressing guide rod swings upwards to the uppermost end of the stroke, the lowest point of the pressing guide head is lifted upwards by two to five millimeters, and a V-shaped space formed between the pressing guide head and the feeding V-shaped groove in the feeding V-shaped groove block allows the angle steel raw material to slide forwards from the middle, and does not allow the angle steel raw material to be separated from the feeding V-shaped groove in the feeding V-shaped groove block, namely the angle steel raw material is guided;

the pressing assembly comprises a pressing cylinder, a pressing rack and a pressing head assembly; the pressing cylinder comprises a pressing cylinder body and a pressing cylinder piston rod; the pressing cylinder body is fixedly connected with the frame; the left end of the pressing rack is fixedly connected with the right end of the pressing cylinder piston rod; the pressing head assembly comprises a pressing rod, a pressing gear and a pressing head shaft; the first end of the pressing rod and the pressing gear are fixedly connected with the pressing head shaft respectively; the compressing head shaft is connected with the frame through a hinge; the pressing gear is meshed with the pressing rack; a second end of the pressing rod is provided with a pressing head which is a V-shaped protrusion; the pressing cylinder drives the pressing head assembly to swing around a pressing head shaft through the combination of the pressing gear and the pressing rack, when the pressing rod swings to the right of the pressing head shaft, the pressing head is positioned right above the forming welding V-shaped groove, and the pressing head is embedded into and presses angle steel raw materials in the forming welding V-shaped groove or the V-shaped groove of the angle steel; when the pressing rod swings to the position above the pressing head shaft, the pressing rod gives the auxiliary rod of the step corner protector which is welded to the auxiliary rod to avoid a backward translation path;

the guiding and shearing assembly comprises a guiding and shearing cylinder, a guiding and shearing rack and a guiding and shearing rod assembly; the guide shearing cylinder comprises a guide shearing cylinder body and a guide shearing cylinder piston rod; the guide shearing cylinder body is fixedly connected with the frame; the rear end of the piston rod of the guide shearing cylinder is fixedly connected with the guide shearing rack; the guiding shear rod assembly comprises a shear rod, a guiding shear gear, a guiding shear shaft and a guiding sleeve; the first end of the shearing rod and the guide shearing gear are fixedly connected with the guide shearing shaft respectively; the guide shearing shaft is connected with the frame through a hinge; the guide shearing rack is meshed with the guide shearing gear; the second end of the shearing rod is arranged behind the first end, the second end of the shearing rod is provided with a U-shaped shearing rod wire passing groove with a downward opening, the extending direction of the shearing rod wire passing groove is the left-right direction, and the edge of the left end of the shearing rod wire passing groove is provided with a movable shearing blade; the left end surface of the shearing rod wire passing groove is attached to the right end surface of the right U-shaped groove, and the movable shearing blade and the fixed shearing blade form a pair of shearing pliers; the highest point of the dynamic shearing blade is higher than the lowest point of the fixed shearing blade, the dynamic shearing blade and the fixed shearing blade enclose a closed space, the left end of the guide sleeve is fixedly connected with the right end of the shearing rod wire passing groove, and the auxiliary rod raw material passes through the inner hole of the guide sleeve, the shearing rod wire passing groove, the closed space, the right U-shaped groove, the right upper part of the forming welding V-shaped groove and the left U-shaped groove from right to left; the guide shearing cylinder drives the guide shearing rod assembly to swing up and down around the guide shearing shaft through the combination of the guide shearing rack and the guide shearing gear, the movable shearing blade and the fixed shearing blade shear off the auxiliary rod raw material, and the left part of the auxiliary rod raw material in a closed space becomes an auxiliary rod before bending;

the bending component comprises a bending cylinder and a bending head; the bending cylinder comprises a bending cylinder body and a bending cylinder piston rod; the bending cylinder body is fixedly connected with the frame; the upper end of the bending head is fixedly connected with the lower end of the bending cylinder piston rod; the lower end of the pressure elbow is provided with a circular arc-shaped lower end, and the axis line of the circular arc-shaped lower end is arranged along the front-back horizontal direction; a bending groove with an arc-shaped extending track line and a U-shaped cross section is arranged along the arc surface at the lower end of the arc shape; the lowest point of the central arc line of the bending groove is positioned right above the crossed point of the cross shape.

The central arc line of the bending groove refers to an arc line formed by connecting the centers of the arc sections with the U-shaped cross sections at all positions of the bending groove.

The round steel wire roller is wound with and stored with multiple turns of auxiliary rod raw materials, the round steel wire roller is connected with the rack through a revolute pair, and the round steel wire roller is positioned on the right side of the driving roller assembly.

The material receiving equipment is positioned in front of the forming welding V-shaped groove and is used for receiving angle steel or step angle protectors coming out of the forming welding V-shaped groove. When the last angle steel is processed by one angle steel raw material, if necessary, the angle steel push rod needs to extend to a V-shaped space formed between the pressing guide head and the feeding V-shaped groove in the feeding V-shaped groove block, and the angle steel is pushed to the receiving equipment.

There is a section suitable distance between drive pair roller and the guide sleeve, and the auxiliary rod raw and other materials that come out from the drive pair roller pass through this section of unsettled space of suitable length, and the suitable length of selecting can not be too short, can guarantee that the left end of auxiliary rod raw and other materials can produce elastic deformation along with auxiliary rod raw and other materials when the guide sleeve luffing motion, does not take place plastic deformation, also can not be too short, will guarantee that auxiliary rod raw and other materials can not flagging here.

The working process of the present invention is as follows.

0) And (5) initializing. The angle steel raw material is placed on the feeding V-shaped groove, the synchronous belt servo motor is started to drive the angle steel raw material to move forwards, uneven heads of the angle steel raw material are enabled to move forwards by 10-20 mm more than the disc saw avoiding gap, the pressing guide assembly is pressed tightly, the saw cutting assembly saw cuts, and a neat head end face is cut firstly. The cut out uneven head is removed.

The wire end is pulled out from the auxiliary rod raw material round steel wire roller, the guide shearing cylinder drives the guide shearing rod assembly to swing downwards around the guide shearing shaft and then lift upwards for resetting through the front and back two rows of staggered alignment compression rollers, the suspension space, the guide sleeve and the closed space, the uneven head is sheared, and a neat head end face is cut firstly. The cut out uneven head is removed.

1) The compressing guide cylinder drives the compressing guide rod to swing upwards to the uppermost end of the stroke, and the lowest point of the compressing guide head is lifted upwards by two to five millimeters.

The pressing cylinder drives the pressing head assembly to swing around the pressing head shaft through the combination of the pressing gear and the pressing rack, the pressing rod swings to the upper side of the pressing head shaft, and a backward translation passage is reserved for the auxiliary rod after welding.

The synchronous belt servo motor drives the pushing assembly to translate from back to front along the linear guide rail through a combination of a direction-changing synchronous wheel, a synchronous belt and a driving synchronous wheel, the angle steel push rod slides forwards in a combined V-shaped groove formed by the feeding V-shaped groove and the forming welding V-shaped groove, and the angle steel push rod pushes angle steel raw materials placed in the combined V-shaped groove formed by the forming welding V-shaped groove and the feeding V-shaped groove to translate for a certain distance from back to front; the V-shaped space formed between the guide head and the feeding V-shaped groove in the feeding V-shaped groove block is pressed, so that raw angle steel materials are allowed to slide forwards from the middle, the raw angle steel materials are not allowed to be separated from the feeding V-shaped groove in the feeding V-shaped groove block, and the guide limiting effect is realized on the raw angle steel materials.

The pressing guide cylinder drives the pressing guide rod to swing downwards, and the pressing guide head is embedded into and presses the V-shaped groove of the angle steel raw material in the feeding V-shaped groove block.

The pressing cylinder drives the pressing head assembly to swing to the right of the pressing head shaft around the pressing head shaft through the combination of the pressing gear and the pressing rack, and the pressing head is embedded into and presses the V-shaped groove of the angle steel raw material and is positioned in the V-shaped groove of the forming welding.

2) The servo motor is driven to rotate, the driving roller assembly pulls the auxiliary rod raw material to translate from right to left while being aligned, and the auxiliary rod raw material continuously winds and leaves from the round steel wire roller. The auxiliary rod raw material passes through a front row of straightening compression rollers, a rear row of straightening compression rollers, a suspension space, a guide sleeve, a closed space, a right U-shaped groove, a cross-shaped intersection and a left U-shaped groove which are arranged in a staggered mode, and the translation distance is equal to the expansion length of the auxiliary rod.

3) The guide shearing cylinder drives the guide shearing rod assembly to swing downwards around the guide shearing shaft through the combination of the guide shearing rack and the guide shearing gear, the movable shearing blade and the fixed shearing blade shear off the auxiliary rod raw materials, and the auxiliary rod raw materials become an auxiliary rod in a left part in a closed space. Then the guide shearing cylinder runs reversely, and the movable shearing blade resets. The left end face of the auxiliary rod raw material is passively lifted up when the guide sleeve swings upwards and resets, and still aligns to the closed space, and the auxiliary rod raw material can smoothly pass through the closed space when translating leftwards next time.

4) The bending cylinder drives the pressing elbow to move downwards, the bending groove presses the middle point position of the auxiliary rod before bending downwards, the left end and the right end of the auxiliary rod before bending are respectively embedded in the left U-shaped groove and the right U-shaped groove, so that the auxiliary rod before bending is bent, the auxiliary rod is finally bent, and the left side and the right side of the auxiliary rod are respectively attached to the left side and the right side of the V-shaped groove of the angle steel raw material. The auxiliary rod is embedded in the bending groove, so that the auxiliary rod can be prevented from slipping or rotating in the bending process.

5) And the welding robot welds the auxiliary rod and the adjacent edge of the angle steel raw material. The press bending cylinder drives the press bending head to translate upwards and return to the initial position. And waiting for the weld to cool.

And (3) repeating the steps 1) to 5) for two more times, and performing the steps three times to finish the shearing, blanking and welding of the three auxiliary rods.

7) Saw bit motor drive circular saw bit high-speed rotatory, the combination of electric jar drive saw bit motor and circular saw bit dodges the seam translation along the circular saw about the orientation, circular saw bit saw cuts and compresses tightly the angle steel raw and other materials, the anterior segment under the saw has become the angle steel, the angle steel has welded into an organic whole together with three auxiliary rod, has accomplished the production process of a angle bead of marking time promptly.

8) And (4) repeating the steps 1) to 7), entering the next production cycle, and pushing the finished stepping angle bead to the rear material receiving equipment while the angle steel raw material moves forwards. And (3) continuously repeating the steps 1) to 7), the angle steel raw materials and the auxiliary rod raw materials can be continuously and automatically converted into the stepping angle bead to be pushed to the following material receiving equipment.

The invention has the beneficial effects that: the automatic auxiliary rod placing device has the advantages that the automation and intelligence level is improved, the manual participation work is reduced, the labor intensity is reduced, the auxiliary rods are placed automatically and accurately, the distances among the three auxiliary rods are uniform, the parallelism errors of the three edges of the three auxiliary rods located on the same side are small, the shapes and the positions of welding spots are regular, and the internal quality and the appearance quality of products are improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention;

FIG. 2 is a schematic three-dimensional structure of the stepping corner protector 9;

fig. 3 is a schematic three-dimensional structure of the gantry 1;

FIG. 4 is a schematic three-dimensional view of the spider trough block 14;

fig. 5 is a schematic three-dimensional structure of the pushing assembly 2;

fig. 6 is a schematic three-dimensional structure of the hold-down guide assembly 4;

FIG. 7 is a schematic three-dimensional view of the sawing assembly 5;

FIG. 8 is a schematic three-dimensional structure of hold-down assembly 6;

FIG. 9 is a schematic three-dimensional view of the guide shear assembly 7;

FIG. 10 is a schematic three-dimensional view of the guide shear bar assembly 73;

FIG. 11 is a schematic three-dimensional view of the drive roller assembly 8;

FIG. 12 is a schematic three-dimensional view of the press bending assembly 104;

shown in the figure: 1. a frame; 11. a table top plate; 111. avoiding the gap by the circular saw; 1142. compressing the avoidance hole of the guide cylinder; 12. a linear guide rail; 13. feeding a V-shaped groove block; 14. a cross slot block; 141. forming and welding a V-shaped groove; 142. a left U-shaped groove; 143. a right U-shaped groove; 1431. fixing a shearing blade; 15. a robot base;

2. a push assembly; 21. pushing the bracket; 22. an angle steel push rod; 23. a slider; 24. a synchronous belt clip;

3. a timing belt assembly; 31. a redirection synchronizing wheel; 32. a synchronous belt; 33. driving a synchronizing wheel;

4. a compression guide assembly; 42. a pressing guide cylinder; 421. compressing the guide cylinder block; 422. compressing the piston rod of the guide cylinder; 43. compressing the guide rod; 431. compressing the guide head; 412. a compression guide cylinder frame hinge; 413. a compression guide head rack hinge; 423. a compression guide head cylinder hinge;

5. a sawing component; 51. an electric cylinder; 511. a cylinder block; 512. an electric cylinder push rod; 52. a saw blade motor; 53. a circular saw blade;

6. a compression assembly; 61. a pressing cylinder; 611. compressing the cylinder block; 612. compressing a cylinder piston rod; 62. compressing the rack; 63. a hold-down head assembly; 631. a hold down bar; 6311. a compression head; 632. a pressing gear; 633. a compaction head shaft;

7. a guide shear assembly; 71. a guide shearing cylinder; 711. a guide shear cylinder block; 712. a guide shearing cylinder piston rod; 72. a guide shear rack; 73. a guide shear bar assembly; 731. a shear bar; 7311. a shearing rod wire passing groove; 7312. moving the shearing blade; 732. a guide shear gear; 733. guiding the shear shaft; 734. a guide sleeve;

8. a drive roller assembly; 81. driving the pair of rollers; 82. a pair of drive gears; 83. straightening the compression roller; 84. driving a servo motor; 85. a drive support plate;

9. step protecting corners; 91. angle steel; 92. an auxiliary rod; 911. angle steel raw materials; 921. a secondary rod raw material;

101. round steel wire roller; 102. a welding robot; 103. material receiving equipment;

104. a press bending assembly; 1041. a bending cylinder; 10411. bending the cylinder body; 10412. bending a piston rod of the air cylinder; 1042. pressing the elbow; 10421. bending the groove; 10422. a circular arc-shaped lower end.

Detailed Description

The invention is further illustrated with reference to the following figures and examples:

example (b): see fig. 1-12.

An automatic feeding intelligent welding production device for stair step corner protectors for buildings comprises a rack 1, a synchronous belt assembly 3, a sawing assembly 5, a driving roller assembly 8 and a welding robot 102; the welding robot 102 is fixedly connected with the frame 1;

the frame 1 comprises a worktable panel 11, and the worktable panel 11 is horizontally arranged; a disk saw avoiding gap 111 which is through up and down is arranged on the workbench panel 11; the length direction of the circular saw avoiding gap 111 is the left-right direction;

the sawing assembly 5 comprises an electric cylinder 51, a blade motor 52 and a circular saw blade 53; the electric cylinder 51 is a guide rod type electric cylinder, and the electric cylinder 51 comprises an electric cylinder body 511 and an electric cylinder push rod 512; the electric cylinder body 511 is fixedly connected with the frame 1; the electric cylinder push rod 512 is fixedly connected with the shell of the saw blade motor 52; the central hole of the circular saw blade 53 is fixedly connected with the output shaft of the saw blade motor 52; the output shaft of the blade motor 52 is arranged in the front-rear horizontal direction; the output shaft of the saw blade motor 52 is positioned below the worktable panel 11, and the upper part of the circular saw blade 53 is exposed above the worktable panel 11 through the circular saw avoiding gap 111; the blade motor 52 drives the circular saw blade 53 to rotate; the electric cylinder 51 drives the combination of the blade motor 52 and the circular saw blade 53 to translate in the left-right direction;

the synchronous belt component 3 comprises a redirection synchronous wheel 31, a synchronous belt 32, a driving synchronous wheel 33 and a synchronous belt servo motor; the redirection synchronizing wheel 31 is connected with the workbench panel 11 through a revolute pair; a shell flange of the synchronous belt servo motor is fixedly connected with the worktable panel 11; the output shaft of the synchronous belt servo motor is fixedly connected with a driving synchronous wheel 33; the synchronous belt 32 is simultaneously wound on the redirection synchronous wheel 31 and the driving synchronous wheel 33, and the synchronous belt 32 is simultaneously meshed with the redirection synchronous wheel 31 and the driving synchronous wheel 33; the working edge of the synchronous belt 32 is arranged in the front-rear horizontal direction;

the driving roller assembly 8 comprises a driving roller pair 81, a straightening pressing roller 83, a driving servo motor 84 and a driving support plate 85; the driving support plate 85 is fixedly connected with the frame 1; the driving double-roll 81 and the straightening press roll 83 are respectively connected with the driving support plate 85 through revolute pairs; a shell flange of the driving servo motor 84 is fixedly connected with the driving support plate 85, and an output shaft of the driving servo motor 84 is respectively and fixedly connected with the driving pair roller 81 and the straightening press roller 83; the driving double roller 81 is positioned at the leftmost end of the driving support plate 85, the auxiliary rod raw material 921 passes through a roller groove of the driving double roller 81, and the driving servo motor 84 drives the auxiliary rod raw material 921 to translate from right to left through the driving double roller 81; a plurality of straightening press rollers 83 are staggered on the front and rear sides of the auxiliary stem raw material 921 on the right side of the driving pair roller 81, and perform a straightening function on the auxiliary stem raw material 921;

the device also comprises a pushing assembly 2, a pressing guide assembly 4, a pressing assembly 6, a guiding shearing assembly 7, a round steel wire roller 101 and a bending assembly 104;

the frame 1 also comprises a linear guide rail 12, a feeding V-shaped groove block 13 and a cross-shaped groove block 14; the linear guide rail 12 is fixedly connected on the upper surface of the worktable panel 11, and the linear guide rail 12 is arranged along the front-back horizontal direction; the feeding V-shaped groove block 13 is fixedly connected to the upper surface of the workbench panel 11, a feeding V-shaped groove is arranged on the feeding V-shaped groove block 13, the opening of the feeding V-shaped groove is upward, the feeding V-shaped groove extends along the front-back horizontal direction, and the front end of the feeding V-shaped groove is through; the feeding V-shaped groove block 13 is positioned behind the circular saw avoiding gap 111; the cross fork groove block 14 is fixedly connected to the upper surface of the workbench panel 11, and the cross fork groove block 14 is positioned in front of the circular saw avoiding gap 111; a forming welding V-shaped groove 141 is arranged on the cross-shaped groove block 14, the opening of the forming welding V-shaped groove 141 is upward, the forming welding V-shaped groove 141 extends along the front-back horizontal direction, and the front end and the back end are through; the form weld V-groove 141 and the feed V-groove are aligned front to back; an angle steel raw material 911 of the angle steel 91 of the step angle bead 9 is placed in a combined V-shaped groove formed by the forming welding V-shaped groove 141 and the feeding V-shaped groove; the cross-shaped groove block 14 is also provided with a left U-shaped groove 142 and a right U-shaped groove 143, the openings of the left U-shaped groove 142 and the right U-shaped groove 143 are upward, the left and right directions are through, and the left and right directions are aligned; the bottom of the left U-shaped groove 142 or the right U-shaped groove 143 is higher than that of the forming welding V-shaped groove 141 or the feeding V-shaped groove; the edge at the right end of the right U-shaped groove 143 is a fixed shearing edge 1431; the central line of the combination of the left U-shaped groove 142 and the right U-shaped groove 143 and the groove bottom ridge line of the forming welding V-shaped groove 141 form a cross shape;

the pushing assembly 2 comprises a pushing bracket 21, an angle steel push rod 22, a sliding block 23 and a synchronous belt clamp 24; the angle steel push rod 22, the slide block 23 and the synchronous belt clip 24 are respectively fixedly connected with the pushing bracket 21; the slide block 23 and the linear guide rail 12 form a linear guide rail pair; the synchronous belt clip 24 is fixedly connected with the working edge of the synchronous belt 32; the angle steel push rod 22 is made of a section of angle steel, the opening of a V-shaped groove of the angle steel push rod 22 faces upwards, the length direction of the angle steel push rod 22 is the front-back horizontal direction, the angle steel push rod 22 is placed in a combined V-shaped groove formed by a feeding V-shaped groove and a forming welding V-shaped groove 141, a synchronous belt servo motor drives a pushing assembly 2 to translate from back to front along a linear guide rail 12 through the combination of a redirection synchronous wheel 31, a synchronous belt 32 and a driving synchronous wheel 33, the angle steel push rod 22 slides in the combined V-shaped groove formed by the feeding V-shaped groove and the forming welding V-shaped groove 141, and the angle steel push rod 22 pushes an angle steel raw material 911 and an angle steel 91 placed in the combined V-shaped groove formed by the forming welding;

the pressing guide assembly 4 comprises a pressing guide air cylinder 42 and a pressing guide rod 43; the pressing guide cylinder 42 comprises a pressing guide cylinder body 421 and a pressing guide cylinder piston rod 422; the lower end of the pressing guide cylinder block 421 is connected with the frame 1 through a pressing guide cylinder frame hinge 412; the right end of the pressing guide rod 43 is connected with the frame 1 through a pressing guide head frame hinge 413; a V-shaped pressing guide head 431 protruding downwards is arranged at the left end of the pressing guide rod 43; the middle part of the pressing guide rod 43 is connected with the upper end of a pressing guide cylinder piston rod 422 through a pressing guide head cylinder hinge 423; the pressing guide head 431 is positioned right above the front end of the feeding V-shaped groove block 13; the pressing guide cylinder 42 drives the pressing guide rod 43 to swing up and down around the pressing guide head frame hinge 413, and when the pressing guide rod 43 swings downwards, the pressing guide head 431 is embedded into and presses the V-shaped groove of the angle steel raw material 911 in the feeding V-shaped groove block 13; when the pressing guide rod 43 swings upwards to the uppermost end of the stroke, the lowest point of the pressing guide head 431 is lifted upwards by two millimeters, and a V-shaped space formed between the pressing guide head 431 and the feeding V-shaped groove in the feeding V-shaped groove block 13 allows the angle steel raw material 911 to slide forwards from the middle and does not allow the angle steel raw material 911 to be separated from the feeding V-shaped groove in the feeding V-shaped groove block 13, namely the angle steel raw material 911 is guided;

the pressing assembly 6 comprises a pressing air cylinder 61, a pressing rack 62 and a pressing head assembly 63; the pressing cylinder 61 comprises a pressing cylinder body 611 and a pressing cylinder piston rod 612; the pressing cylinder body 611 is fixedly connected with the frame 1; the left end of the pressing rack 62 is fixedly connected with the right end of a pressing cylinder piston rod 612; the compaction head assembly 63 comprises a compaction rod 631, a compaction gear 632 and a compaction head shaft 633; the first end of the pressing rod 631 and the pressing gear 632 are respectively fixedly coupled with the pressing head shaft 633; the pressing head shaft 633 is connected with the frame 1 through a hinge; the pressing gear 632 is meshed with the pressing rack 62; a second end of the pressing rod 631 is provided with a pressing head 6311, and the pressing head 6311 is a V-shaped protrusion; the pressing cylinder 61 drives the pressing head assembly 63 to swing around the pressing head shaft 633 through the combination of the pressing gear 632 and the pressing rack 62, when the pressing rod 631 swings to the right of the pressing head shaft 633, the pressing head 6311 is located right above the forming welding V-shaped groove 141, and the pressing head 6311 is embedded in and presses the angle steel raw material 911 or the V-shaped groove of the angle steel 91 in the forming welding V-shaped groove 141; when the pressing rod 631 swings above the pressing head shaft 633, the pressing rod 631 gives the auxiliary rod 92 of the welded step corner protector 9 access to the backward translation;

the guide shearing assembly 7 comprises a guide shearing cylinder 71, a guide shearing rack 72 and a guide shearing rod assembly 73; the guide shear cylinder 71 includes a guide shear cylinder block 711 and a guide shear cylinder piston rod 712; the guide shearing cylinder block 711 is fixedly connected with the frame 1; the rear end of the guide shearing cylinder piston rod 712 is fixedly connected with the guide shearing rack 72; the guided shear bar assembly 73 includes a shear bar 731, a guided shear gear 732, a guided shear shaft 733, and a guide sleeve 734; the first end of the shearing rod 731 and the guide shearing gear 732 are fixedly coupled to the guide shearing shaft 733, respectively; the guide shearing shaft 733 is connected with the frame 1 through a hinge; the guide cutting rack 72 is meshed with the guide cutting gear 732; the second end of the shearing rod 731 is behind the first end, the second end of the shearing rod 731 is provided with a U-shaped shearing rod wire passing groove 7311 with a downward opening, the extending direction of the shearing rod wire passing groove 7311 is the left-right direction, and the edge of the left end of the shearing rod wire passing groove 7311 is provided with a movable shearing blade 7312; the left end surface of the shearing rod wire passing groove 7311 is attached to the right end surface of the right U-shaped groove 143, and the movable shearing edge 7312 and the fixed shearing edge 1431 form a pair of shearing pliers; the highest point of the dynamic shearing edge 7312 is higher than the lowest point of the fixed shearing edge 1431, the dynamic shearing edge 7312 and the fixed shearing edge 1431 enclose a closed space, the left end of the guide sleeve 734 is fixedly connected with the right end of the shearing rod wire passing groove 7311, the auxiliary rod raw material 921 passes through the inner hole of the guide sleeve 734, the shearing rod wire passing groove 7311, the closed space, the right U-shaped groove 143, the right upper side of the forming welding V-shaped groove 141 and the left U-shaped groove 142 from right to left; the guide shearing cylinder 71 drives the guide shearing rod assembly 73 to vertically swing around the guide shearing shaft 733 through the combination of the guide shearing rack 72 and the guide shearing gear 732, the movable shearing blade 7312 and the fixed shearing blade 1431 shear the sub-rod raw material 921, and the left part of the sub-rod raw material 921 in the closed space becomes the sub-rod 92 before bending;

the press bending assembly 104 comprises a press bending cylinder 1041 and a press bending head 1042; the bending cylinder 1041 comprises a bending cylinder block 10411 and a bending cylinder piston rod 10412; the bending cylinder block 10411 is fixedly connected with the frame 1; the upper end of the bending head 1042 is fixedly connected with the lower end of a bending cylinder piston rod 10412; the lower end of the elbow pressing 1042 is provided with a circular arc-shaped lower end 10422, and the axis line of the circular arc-shaped lower end 10422 is arranged along the front-back horizontal direction; a bending groove 10421 which extends in an arc shape and has a U-shaped cross section is formed along the arc surface of the arc-shaped lower end 10422; the lowest point of the central arc of the buckling groove 10421 is located directly above the cross-shaped intersection.

The central arc line of the bending groove 10421 is an arc line formed by connecting the centers of the arc sections of the U-shaped cross section at each position of the bending groove 10421.

The round steel wire roller 101 is wound with a plurality of turns of auxiliary rod raw materials 921, the round steel wire roller 101 is connected with the machine frame 1 through a revolute pair, and the round steel wire roller 101 is located on the right side of the driving roller assembly 8.

The receiving device 103 is located in front of the forming welding V-shaped groove 141 and is used for receiving the angle steel 91 or the step corner protector 9 coming out of the forming welding V-shaped groove 141. When the last angle steel 91 is processed by one angle steel raw material 911, if necessary, the angle steel push rod 22 needs to extend to a V-shaped space formed between the pressing guide head 431 and the feeding V-shaped groove in the feeding V-shaped groove block 13, so as to push the angle steel 91 to the material receiving equipment 103.

There is a suitable distance between the driving pair roller 81 and the guide sleeve 734, and the auxiliary rod raw material 921 coming out of the driving pair roller 81 passes through the suspension space with a suitable length, and the selected suitable length cannot be too short, so that it can be ensured that the auxiliary rod raw material 921 can elastically deform along with the auxiliary rod raw material 921 when the guide sleeve 734 swings up and down, and plastic deformation cannot occur, and the auxiliary rod raw material 921 cannot sag at this position.

The working process of this embodiment is as follows.

0) And (5) initializing. The angle steel raw material 911 is placed on the feeding V-shaped groove, the synchronous belt servo motor is started to drive the angle steel raw material 911 to advance, uneven heads of the angle steel raw material 911 are made to advance by 10-20 mm beyond the circular saw avoiding seam 111, the pressing guide component 4 is pressed, the saw cutting component 5 is used for saw cutting, and a neat head end face is cut firstly. The cut out uneven head is removed.

The thread end is pulled out from the round steel thread roller 101 of the sub-rod raw material 921, the guide shearing cylinder 71 drives the guide shearing rod assembly 73 to swing downwards around the guide shearing shaft 733 and then lift upwards for resetting through the front and back two staggered rows of straightening press rollers 83, the suspension space, the guide sleeve 734 and the closed space, the irregular head is sheared, and a regular head end face is cut firstly. The cut out uneven head is removed.

1) The pressing guide cylinder 42 drives the pressing guide rod 43 to swing upwards to the uppermost end of the stroke, and the lowest point of the pressing guide head 431 is lifted upwards by two millimeters.

The pressing cylinder 61 drives the pressing head assembly 63 to swing around the pressing head shaft 633 through the combination of the pressing gear 632 and the pressing rack 62, and the pressing rod 631 swings above the pressing head shaft 633 to leave a backward translation path for the auxiliary rod 92 after welding.

The synchronous belt servo motor drives the pushing assembly 2 to translate forwards from back along the linear guide rail 12 through a combination of a direction-changing synchronous wheel 31, a synchronous belt 32 and a driving synchronous wheel 33, the angle steel push rod 22 slides forwards in a combined V-shaped groove formed by the feeding V-shaped groove and the forming and welding V-shaped groove 141, and the angle steel push rod 22 pushes angle steel raw materials 911 placed in the combined V-shaped groove formed by the forming and welding V-shaped groove 141 and the feeding V-shaped groove to translate forwards for a certain distance from back; the V-shaped space formed between the pressing guide head 431 and the feeding V-shaped groove in the feeding V-shaped groove block 13 allows the angle steel raw material 911 to slide forwards from the middle, and does not allow the angle steel raw material 911 to be separated from the feeding V-shaped groove in the feeding V-shaped groove block 13, namely, the angle steel raw material 911 is guided and limited.

The pressing guide cylinder 42 drives the pressing guide rod 43 to swing downwards, and the pressing guide head 431 is embedded into and presses the V-shaped groove of the angle steel raw material 911 in the feeding V-shaped groove block 13.

The pressing cylinder 61 drives the pressing head assembly 63 to swing around the pressing head shaft 633 to the right of the pressing head shaft 633 through the combination of the pressing gear 632 and the pressing rack 62, and the pressing head 6311 is embedded in and presses the portion of the V-shaped groove of the angle iron raw material 911 located in the forming welding V-shaped groove 141.

2) The servo motor 84 is driven to rotate, the driving roller assembly 8 pulls the secondary bar raw material 921 to translate from right to left while aligning, and the secondary bar raw material 921 continuously winds off from the round steel wire roller 101. The secondary bar raw material 921 passes through the front and rear two staggered rows of straightening press rollers 83, the suspending space, the guide sleeve 734, the closed space, the right U-shaped groove 143, the cross-shaped intersection point, and the left U-shaped groove 142 in sequence, and the translation distance is equal to the expansion length of the secondary bar 92.

3) The guide cutting cylinder 71 drives the guide cutting rod assembly 73 to swing downward about the guide cutting shaft 733 by the combination of the guide cutting rack 72 and the guide cutting gear 732, the movable cutting blade 7312 and the fixed cutting blade 1431 cut the sub-rod material 921, and the left portion of the sub-rod material 921 in the closed space becomes the sub-rod 92. Then the pilot shear cylinder 71 is operated in reverse, and the dynamic shear blade 7312 is reset. The portion of the secondary raw material 921 to the right of the closed space creates a new left end surface, and the left end surface of the secondary raw material 921 is passively lifted up when the guide sleeve 734 is swung up to be reset, and still aligned with the closed space, and the next time the secondary raw material 921 is translated to the left, the secondary raw material can smoothly pass through the closed space.

4) The bending cylinder 1041 drives the pressing head 1042 to move downwards, the bending groove 10421 presses the middle point of the auxiliary rod 92 before bending downwards, the left end and the right end of the auxiliary rod 92 before bending are respectively embedded in the left U-shaped groove 142 and the right U-shaped groove 143, so that the auxiliary rod 92 before bending is bent, the auxiliary rod 92 is finally bent, and the left side and the right side of the auxiliary rod 92 are respectively attached to the left side and the right side of the V-shaped groove of the angle steel raw material 911. The engagement of the sub-lever 92 in the press bending groove 10421 prevents the sub-lever 92 from slipping or rotating in the direction during press bending.

5) The welding robot 102 welds the adjacent sides of the secondary lever 92 and the angle iron raw material 911. The press bending cylinder 1041 drives the press bend 1042 to translate upward back to the initial position. And waiting for the weld to cool.

The steps 1) to 5) are repeated twice more, and the steps are executed three times in total, so that the shearing blanking and the welding of the three auxiliary rods 92 are completed.

7) The saw blade motor 52 drives the circular saw blade 53 to rotate at a high speed, the electric cylinder 51 drives the combination of the saw blade motor 52 and the circular saw blade 53 to move horizontally along the circular saw avoiding seam 111 in the left-right direction, the circular saw blade 53 saws and compresses an angle steel raw material 911, the front section under the saw becomes angle steel 91, the angle steel 91 and the three auxiliary rods 92 are welded into a whole, and the production process of the stepping angle bead 9 is completed.

8) And (4) repeating the steps 1) to 7), entering the next production cycle, and pushing the finished step angle bead 9 to the following material receiving equipment 103 while the angle steel raw material 911 moves forwards. And (3) continuously repeating the steps 1) to 7), the angle steel raw material 911 and the auxiliary pole raw material 921 can be continuously and automatically converted into the step angle bead 9 to be pushed to the following material receiving equipment 103.

The beneficial effects of this embodiment: the automation and intelligence level is improved, the workload of manual participation is reduced, the labor intensity is reduced, the auxiliary rods 92 and the three auxiliary rods 92 are placed automatically and accurately, the distance between the three auxiliary rods 92 is uniform, the parallelism error of three edges of the three auxiliary rods 92 positioned on the same side is small, the shapes and the positions of welding points are regular, and the internal quality and the appearance quality of products are improved.

Claims (1)

1. An automatic feeding intelligent welding production device for stair step corner protectors for buildings comprises a rack, a synchronous belt component, a sawing component, a driving roller component and a welding robot; the welding robot is fixedly connected with the frame;

the rack comprises a worktable panel which is horizontally arranged; a disc saw avoiding seam which is through up and down is arranged on the working table panel; the length direction of the avoiding seam of the circular saw is the left-right direction;

the sawing component comprises an electric cylinder, a saw blade motor and a circular saw blade; the electric cylinder is a guide rod type electric cylinder and comprises an electric cylinder body and an electric cylinder push rod; the electric cylinder body is fixedly connected with the frame; the electric cylinder push rod is fixedly connected with the shell of the saw blade motor; the central hole of the circular saw blade is fixedly connected with the output shaft of the saw blade motor; the output shaft of the saw blade motor is arranged along the front-back horizontal direction; the output shaft of the saw blade motor is positioned below the working table panel, and the upper part of the circular saw blade is exposed above the working table panel through the circular saw avoiding gap; the saw blade motor drives the circular saw blade to rotate; the electric cylinder drives the combination of the saw blade motor and the circular saw blade to move horizontally in the left-right direction;

the synchronous belt assembly comprises a redirection synchronous wheel, a synchronous belt, a driving synchronous wheel and a synchronous belt servo motor; the direction-changing synchronous wheel is connected with the workbench panel through a revolute pair; a shell flange of the synchronous belt servo motor is fixedly connected with the worktable panel; an output shaft of the synchronous belt servo motor is fixedly connected with the driving synchronous wheel; the synchronous belt is simultaneously wound on the redirection synchronous wheel and the driving synchronous wheel and is simultaneously meshed with the redirection synchronous wheel and the driving synchronous wheel; the working edge of the synchronous belt is arranged along the front-back horizontal direction;

the driving roller assembly comprises a driving pair roller, a straightening press roller, a driving servo motor and a driving support plate; the driving support plate is fixedly connected with the frame; the driving double-roll and the straightening press roll are respectively connected with the driving support plate through a revolute pair; a shell flange of the driving servo motor is fixedly connected with the driving support plate, and an output shaft of the driving servo motor is respectively and fixedly connected with the driving pair roller and the straightening press roller; the driving double rollers are positioned at the leftmost end of the driving support plate, the auxiliary rod raw material passes through the roller grooves of the driving double rollers, and the driving servo motor drives the auxiliary rod raw material to translate from right to left through the driving double rollers; a plurality of straightening press rollers are staggered on the front side and the rear side of the auxiliary rod raw material on the right side of the driving pair roller;

the device is characterized by further comprising a pushing assembly, a pressing guide assembly, a pressing assembly, a guiding shearing assembly, a round steel wire roller and a bending assembly;

the rack also comprises a linear guide rail, a feeding V-shaped groove block and a cross-shaped groove block; the linear guide rail is fixedly connected to the upper surface of the workbench panel and is arranged along the front-back horizontal direction; the feeding V-shaped groove block is fixedly connected to the upper surface of the workbench panel, a feeding V-shaped groove is arranged on the feeding V-shaped groove block, the opening of the feeding V-shaped groove is upward, the feeding V-shaped groove extends along the front-back horizontal direction, and the front end of the feeding V-shaped groove is through; the feeding V-shaped groove block is positioned behind the disk saw avoiding gap; the cross fork groove block is fixedly connected to the upper surface of the working table panel and is positioned in front of the circular saw avoiding gap; the cross-shaped fork groove block is provided with a forming welding V-shaped groove, the opening of the forming welding V-shaped groove is upward, the forming welding V-shaped groove extends along the front and back horizontal direction, and the front end and the back end are through; the forming welding V-shaped groove and the feeding V-shaped groove are aligned front and back; the angle steel raw material of the angle steel of the step angle bead is placed in a combined V-shaped groove formed by a forming welding V-shaped groove and a feeding V-shaped groove; the cross-shaped groove block is also provided with a left U-shaped groove and a right U-shaped groove, the openings of the left U-shaped groove and the right U-shaped groove are upward and are through in the left-right direction, and the left U-shaped groove and the right U-shaped groove are aligned in the left-right direction; the bottom of the left U-shaped groove or the right U-shaped groove is higher than that of the forming welding V-shaped groove or the feeding V-shaped groove; the edge of the right end of the right U-shaped groove is a fixed shearing blade; the central line of the combination of the left U-shaped groove and the right U-shaped groove and the groove bottom edge line of the forming and welding V-shaped groove form a cross shape;

the pushing assembly comprises a pushing bracket, an angle steel push rod, a sliding block and a synchronous belt clamp; the angle steel push rod, the sliding block and the synchronous belt clamp are fixedly connected with the pushing bracket respectively; the slide block and the linear guide rail form a linear guide rail pair; the synchronous belt clip is fixedly connected with the working edge of the synchronous belt; the angle steel push rod is made of a section of angle steel, the opening of a V-shaped groove of the angle steel push rod is upward, the length direction of the angle steel push rod is the front-back horizontal direction, the angle steel push rod is placed in a combined V-shaped groove formed by a feeding V-shaped groove and a forming welding V-shaped groove, a synchronous belt servo motor drives a pushing assembly to translate from back to front along a linear guide rail through the combination of a bend synchronous wheel, a synchronous belt and a driving synchronous wheel, the angle steel push rod slides in the combined V-shaped groove formed by the feeding V-shaped groove and the forming welding V-shaped groove, and the angle steel push rod pushes angle steel raw materials and angle steel placed in the combined V-shaped groove formed by the forming welding;

the pressing guide assembly comprises a pressing guide cylinder and a pressing guide rod; the pressing guide cylinder comprises a pressing guide cylinder body and a pressing guide cylinder piston rod; the lower tail end of the pressing guide cylinder body is hinged with the frame through a pressing guide cylinder frame; the right end of the pressing guide rod is connected with the rack through a pressing guide head rack hinge; the left end of the pressing guide rod is provided with a V-shaped pressing guide head which protrudes downwards; the middle part of the compression guide rod is connected with the upper end of a compression guide cylinder piston rod through a compression guide head cylinder hinge; the pressing guide head is positioned right above the front end of the feeding V-shaped groove block; the pressing guide cylinder drives the pressing guide rod to swing up and down around the pressing guide head rack hinge, and when the pressing guide rod swings downwards, the pressing guide head is embedded into and presses the V-shaped groove of the angle steel raw material in the feeding V-shaped groove block; when the pressing guide rod swings upwards to the uppermost end of the stroke, the lowest point of the pressing guide head is lifted upwards by two to five millimeters, and a V-shaped space formed between the pressing guide head and the feeding V-shaped groove in the feeding V-shaped groove block allows the angle steel raw material to slide forwards from the middle, and does not allow the angle steel raw material to be separated from the feeding V-shaped groove in the feeding V-shaped groove block, namely the angle steel raw material is guided;

the pressing assembly comprises a pressing cylinder, a pressing rack and a pressing head assembly; the pressing cylinder comprises a pressing cylinder body and a pressing cylinder piston rod; the pressing cylinder body is fixedly connected with the frame; the left end of the pressing rack is fixedly connected with the right end of the pressing cylinder piston rod; the pressing head assembly comprises a pressing rod, a pressing gear and a pressing head shaft; the first end of the pressing rod and the pressing gear are fixedly connected with the pressing head shaft respectively; the compressing head shaft is connected with the frame through a hinge; the pressing gear is meshed with the pressing rack; a second end of the pressing rod is provided with a pressing head which is a V-shaped protrusion; the pressing cylinder drives the pressing head assembly to swing around a pressing head shaft through the combination of the pressing gear and the pressing rack, when the pressing rod swings to the right of the pressing head shaft, the pressing head is positioned right above the forming welding V-shaped groove, and the pressing head is embedded into and presses angle steel raw materials in the forming welding V-shaped groove or the V-shaped groove of the angle steel; then when the pressing rod swings to the upper part of the pressing head shaft;

the guiding and shearing assembly comprises a guiding and shearing cylinder, a guiding and shearing rack and a guiding and shearing rod assembly; the guide shearing cylinder comprises a guide shearing cylinder body and a guide shearing cylinder piston rod; the guide shearing cylinder body is fixedly connected with the frame; the rear end of the piston rod of the guide shearing cylinder is fixedly connected with the guide shearing rack; the guiding shear rod assembly comprises a shear rod, a guiding shear gear, a guiding shear shaft and a guiding sleeve; the first end of the shearing rod and the guide shearing gear are fixedly connected with the guide shearing shaft respectively; the guide shearing shaft is connected with the frame through a hinge; the guide shearing rack is meshed with the guide shearing gear; the second end of the shearing rod is arranged behind the first end, the second end of the shearing rod is provided with a U-shaped shearing rod wire passing groove with a downward opening, the extending direction of the shearing rod wire passing groove is the left-right direction, and the edge of the left end of the shearing rod wire passing groove is provided with a movable shearing blade; the left end surface of the shearing rod wire passing groove is attached to the right end surface of the right U-shaped groove, and the movable shearing blade and the fixed shearing blade form a pair of shearing pliers; the highest point of the dynamic shearing blade is higher than the lowest point of the fixed shearing blade, the dynamic shearing blade and the fixed shearing blade enclose a closed space, the left end of the guide sleeve is fixedly connected with the right end of the shearing rod wire passing groove, and the auxiliary rod raw material passes through the inner hole of the guide sleeve, the shearing rod wire passing groove, the closed space, the right U-shaped groove, the right upper part of the forming welding V-shaped groove and the left U-shaped groove from right to left; the guide shearing cylinder drives the guide shearing rod assembly to swing up and down around the guide shearing shaft through the combination of the guide shearing rack and the guide shearing gear, the movable shearing blade and the fixed shearing blade shear off the auxiliary rod raw material, and the left part of the auxiliary rod raw material in a closed space becomes an auxiliary rod before bending;

the bending component comprises a bending cylinder and a bending head; the bending cylinder comprises a bending cylinder body and a bending cylinder piston rod; the bending cylinder body is fixedly connected with the frame; the upper end of the bending head is fixedly connected with the lower end of the bending cylinder piston rod; the lower end of the pressure elbow is provided with a circular arc-shaped lower end, and the axis line of the circular arc-shaped lower end is arranged along the front-back horizontal direction; a bending groove with an arc-shaped extending track line and a U-shaped cross section is arranged along the arc surface at the lower end of the arc shape; the lowest point of the central arc line of the bending groove is positioned right above the crossed point of the cross shape.

Images