A knife slot lifting type flanging machine

Abstract

The present application relates to a kind of knife groove lifting type flanging machine, including base, base includes two sides opposite wallboard, and the rear side between wallboard is inserted and fixed with cross beam, and cross beam is distributed in the upper end and lower end of wallboard;The upper portion of the front end surface of wallboard is fixed with rectangular tool holder plate, and the lower side of the front end surface of tool holder plate is formed with installation groove passing through the lower end surface of tool holder plate, and the installation groove is inserted and fixed with flanging tool plate, and the just below of flanging tool plate is equipped with flanging knife groove, and flanging knife groove is fixed on vertical tool groove lifting seat, and the rear end surface of tool groove lifting seat is fixed with several vertical distribution sliding blocks, and sliding block is inserted with vertical guide rail, and guide rail is respectively fixed on the front end surface of wallboard.This flanging machine will be designed with fixed structure to flanging tool plate, and then flanging knife groove is designed with lifting structure, and air duct can be lifted with flanging knife groove to cooperate flanging tool plate to be flanged, and air duct enters the avoidance groove of tool holder plate in the process of flanging, and the side edge of air duct is smoothly flanged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air duct folding equipment, and more particularly to a knife groove lifting type folding machine. BACKGROUND

[0002] At present, some axial flow fans are provided with air ducts, and the air ducts are provided with rectangular panels on the side close to the fan. The periphery of the panel needs to be folded, and the folding is performed on a folding machine. The traditional folding machine is composed of an upper folding knife plate and a lower folding knife groove. The lower folding knife groove is fixed, and the upper folding knife plate can move up and down to cooperate with the lower folding knife groove to realize folding. However, when the side edge of the upper panel of the air duct is folded, the air duct will collide with the knife seat plate on the upper side of the upper folding knife plate during the folding process, causing interference and preventing the folding from continuing. Therefore, a folding machine capable of smoothly folding the side edge of the upper panel of the air duct is needed. SUMMARY

[0003] The present application aims at the deficiencies of the prior art and provides a knife groove lifting type folding machine, which can smoothly fold the side edge of the upper panel of the air duct.

[0004] A knife groove lifting type folding machine comprises a base, the base comprises two opposite wall plates, a horizontal support beam is fixedly connected between the rear sides of the wall plates, and the horizontal support beam is arranged at the upper and lower ends of the wall plates; a rectangular knife seat plate is fixed to the upper part of the front end face of the wall plate, a mounting groove penetrating the lower end face of the knife seat plate is formed on the lower side of the front end face of the knife seat plate, a folding knife plate is fixedly connected in the mounting groove, a folding knife groove is arranged directly below the folding knife plate, the folding knife groove is fixed to a vertical knife groove lifting seat, a plurality of vertical sliding blocks are fixed to the rear end face of the knife groove lifting seat, vertical guide rails are fixed to the sliding blocks, and the guide rails are fixed to the front end face of the wall plate.

[0005] A vertical lifting oil cylinder piston rod is fixed to the lower end face of the knife groove lifting seat, a cylinder body of the lifting oil cylinder is fixed to a horizontal oil cylinder mounting plate, and the two ends of the oil cylinder mounting plate are fixed to the wall plates below the guide rails.

[0006] The middle part of the cutter seat plate is formed with a wind duct avoiding notch, which is composed of a lower arc-shaped lower bottom surface and an upper horizontal upper bottom surface; a plurality of vertical and horizontally distributed support plates are inserted between the wall plates in front of the wind duct avoiding notch, and the front end surface of the support plates is formed with an avoiding opening opposite to the wind duct avoiding notch and in the shape of an acute angle; the front end surface of the support plate on the upper side of the avoiding opening abuts against the rear end surface of the cutter seat plate and is fixed to the cutter seat plate by bolts, the rear end surface of the support plate is fixed to a horizontal reinforcing plate, and the two ends of the reinforcing plate are fixed to the wall plates; a plurality of limiting grooves are formed on the lower bottom surface of the wind duct avoiding notch on the cutter seat plate, and a triangular presser foot is formed on the lower side of the avoiding opening on the support plate, which is inserted into the limiting groove of the cutter seat plate and abuts against the bottom surface of the limiting groove.

[0007] Preferably, the lower end of the folded edge cutter plate is formed with a straight angle type cutter head, and the upper end surface of the folded edge cutter groove is formed with a cutter groove opposite to the cutter head on the folded edge cutter plate; a horizontal T-shaped lower guide rail groove is formed on the lower end surface of the folded edge cutter groove, a lower T-shaped bolt is inserted into the lower guide rail groove, and a lower fastening nut is screwed to the lower end of the lower T-shaped bolt; a plurality of horizontally distributed and rectangular slot holes are formed on the cutter groove lifting seat, and the lower fastening nut is distributed in the slot holes of the cutter groove lifting seat and pressed against the upper bottom surface of the slot holes;

[0008] A horizontal T-shaped rear guide rail groove is formed on the rear end surface of the folded edge cutter groove, rear T-shaped bolts are inserted into the two ends of the rear guide rail groove, a vertical connecting plate is inserted into the rear end of the T-shaped bolt, and a rear fastening nut is screwed to the connecting plate, the rear fastening nut is pressed against the connecting plate, a fastening bolt is inserted into the lower end of the connecting plate, and the front end of the fastening bolt is screwed and fixed to the cutter groove lifting seat.

[0009] Preferably, the folded edge cutter plate is located in the middle part of the installation groove in the cutter seat plate, a plurality of threaded holes are formed on the rear side walls of the installation grooves on both sides of the folded edge cutter plate, the two end surfaces of the folded edge cutter plate abut against folded edge cutter blocks with the same cross section as the folded edge cutter plate, stepped holes are formed on the folded edge cutter blocks, screws are inserted into the stepped holes of the folded edge cutter blocks, and the screws are screwed and fixed to the threaded holes of the cutter seat plate.

[0010] Preferably, the front and rear ends of the outer side wall of the wall plate are respectively fixed with L-shaped machine feet, and mounting holes are formed on the machine feet; the lower end surface of the machine feet is flush with the lower end surface of the wall plate.

[0011] Preferably, the support plate is provided with at least three support plates, and a plurality of rectangular support protrusions are formed on the front end surface of the support plate on the upper side of the avoiding opening, which are inserted into the wind duct avoiding notch of the cutter seat plate and abut against the upper bottom surface of the wind duct avoiding notch;

[0012] The upper end surface of the tool seat plate is formed with a plurality of sockets, the upper side of the front end surface of the wall plate is formed with a reinforcing plug, the reinforcing plug is inserted into the socket of the tool seat plate and abuts against the lower bottom surface of the socket;

[0013] The support plate below the rear avoiding opening is formed with an ear plate, the ear plate is located on the lower side of the reinforcing plate and is inserted with a transverse support shaft, a plurality of obliquely arranged pull plates are inserted on the support shaft, the lower end of the pull plate is inserted with a transverse reinforcing shaft, the two ends of the reinforcing shaft and the support shaft are respectively inserted and fixed on the wall plate;

[0014] The two ends of the reinforcing plate are fixed with longitudinal rectangular rib plates, the rib plates abut against the inner side walls of the wall plate, the rib plates are inserted and fixed with positioning pins, the positioning pins are inserted on the wall plate, the wall plate is inserted with reinforcing bolts, and the reinforcing bolts are screwed and fixed on the rib plates.

[0015] Preferably, two groups of limiting abutments are arranged between the edge folding tool plate and the edge folding tool groove, the front end surface of the wall plate is formed with a rectangular installation opening, and the limiting abutments are located on the rear side of the edge folding tool groove and are respectively inserted into the installation opening of the wall plate.

[0016] The limiting abutment comprises an L-shaped base, the base is fixed on the rear end surface of the tool groove lifting seat, a longitudinal and steel groove-shaped groove seat is fixed on the upper end surface of the base, an adjusting block is inserted in the groove seat, a longitudinal guide groove is formed on the adjusting block, a guide bolt is inserted in the guide groove, the lower end of the guide bolt is screwed and fixed on the groove seat, a longitudinal adjusting screw is screwed on the rear end of the adjusting block, an adjusting knob is formed on the rear end of the adjusting screw, a limiting stop ring is formed on the adjusting screw on the front side of the adjusting knob, a transverse positioning plate is arranged on the rear side of the groove seat, connecting columns are inserted and fixed at the two ends of the positioning plate, the front ends of the connecting columns are inserted and fixed on the groove seat, a pivoting slot is formed on the upper end surface of the positioning plate, the adjusting screw of the adjusting knob and the limiting stop ring is inserted into the pivoting slot of the positioning plate, and a longitudinal strip-shaped limiting block is inserted and fixed on the front end of the adjusting block.

[0017] Preferably, a protective cover with a horizontal section in the shape of a Chinese character "Fang" is inserted on the tool groove lifting seat, the lifting oil cylinders are distributed in the protective cover, and a plurality of longitudinal supporting columns are fixed on the protective cover through bolts.

[0018] The beneficial effects of the present application are as follows:

[0019] The edge folding machine is designed as a fixed structure, an avoiding groove opposite to the air duct is arranged on the upper side of the edge folding tool plate, the edge folding tool groove is designed as a lifting structure, the air duct can be lifted together with the edge folding tool groove to cooperate with the edge folding tool plate for edge folding, and the air duct enters the avoiding groove of the tool seat plate during the edge folding process, so that the side edge of the air duct is smoothly folded. BRIEF DESCRIPTION OF DRAWINGS:

[0020] Figure 1 isometric view of the structure of the present application;

[0021] Figure 2 isometric view of the structure of the present application;

[0022] Figure 3 isometric view of the structure of the present application;

[0023] Figure 4 isometric view of the structure of the present application;

[0024] Figure 5 isometric view of the structure of the present application;

[0025] Figure 6 isometric view of the structure of the present application.

[0026] In the figure: 1, machine base; 11, wall plate; 111, reinforcing plug; 112, installation port; 12, knife seat plate; 121, air duct avoiding notch; 122, limiting recess; 123, installation groove; 13, horizontal support beam; 14, reinforcing plate; 15, support plate; 151, avoiding opening; 152, support block; 153, presser foot; 154, ear plate; 16, oil cylinder installation plate; 17, machine leg; 2, edge folding knife plate; 3, edge folding knife groove; 4, knife groove lifting seat; 41, groove hole; 5, guide rail; 6, sliding block; 7, lifting oil cylinder; 8, limiting abutment; 81, base; 82, groove seat; 83, adjusting block; 831, guide groove; 84, guide bolt; 85, adjusting screw; 851, adjusting knob; 852, limiting check ring; 86, positioning plate; 861, positioning plate; 87, connecting column; 88, limiting block; 9, protective cover; 91, support column; 10, air duct; 20, support shaft; 30, pull plate; 40, reinforcing shaft DETAILED DESCRIPTION

[0027] Embodiment: see Figures 1 to 6 As shown in the figure, an edge folding machine of knife groove lifting type comprises a machine base 1, the machine base 1 comprises two opposite wall plates 11, a horizontal support beam 13 is fixedly connected between the rear sides of the wall plates 11, the horizontal support beam 13 is distributed at the upper and lower ends of the wall plates 11; a rectangular knife seat plate 12 is fixedly connected to the upper part of the front end face of the wall plate 11, an installation groove 123 penetrating through the lower end face of the knife seat plate 12 is formed on the lower side of the front end face of the knife seat plate 12, an edge folding knife plate 2 is fixedly connected in the installation groove 123, an edge folding knife groove 3 is arranged directly below the edge folding knife plate 2, the edge folding knife groove 3 is fixed on a vertical knife groove lifting seat 4, a plurality of vertical sliding blocks 6 are fixed on the rear end face of the knife groove lifting seat 4, vertical guide rails 5 are fixedly connected to the sliding blocks 6, and the guide rails 5 are fixed on the front end faces of the wall plates 11 respectively;

[0028] The lower end surface of the knife groove lifting seat 4 is fixed with the piston rod of the vertical lifting oil cylinder 7, the cylinder body of the lifting oil cylinder 7 is fixed on the transverse oil cylinder mounting plate 16, and the two ends of the oil cylinder mounting plate 16 are respectively fixed on the wall plate 11 below the guide rail 5;

[0029] The middle part of the knife seat plate 12 is formed with a wind duct avoiding notch 121 composed of a lower circular arc type lower bottom surface and an upper horizontal upper bottom surface; a plurality of vertical and transversely distributed support plates 15 are inserted between the wall plates 11 behind the wind duct avoiding notch 121; the front end surface of the support plate 15 is formed with an avoiding opening 151 opposite to the wind duct avoiding notch 121 and in the shape of an acute angle; the front end surface of the support plate 15 above the avoiding opening 151 abuts against the rear end surface of the knife seat plate 12 and is fixed to the knife seat plate 12 by bolts; the rear end surface of the support plate 15 is fixed on the transverse reinforcing plate 14, and the two ends of the reinforcing plate 14 are respectively fixed on the wall plates 11; a plurality of limiting grooves 122 are formed on the lower bottom surface of the wind duct avoiding notch 121 on the knife seat plate 12; the lower side of the avoiding opening 151 on the support plate 15 is formed with a triangular presser foot 153, which is inserted into the limiting groove 122 of the knife seat plate 12 and abuts against the bottom surface of the limiting groove 122.

[0030] The lower end of the hemming knife plate 2 is formed with a knife head in the shape of a straight angle in cross section, and the upper end surface of the hemming knife groove 3 is formed with a knife groove opposite to the knife head of the hemming knife plate 2; a transverse T-shaped lower guide rail groove is formed on the lower end surface of the hemming knife groove 3, a lower T-shaped bolt is inserted into the lower guide rail groove, and a lower fastening nut is screwed on the lower end of the lower T-shaped bolt; a plurality of transversely distributed and rectangular groove holes 41 are formed on the knife groove lifting seat 4, and the lower fastening nuts are distributed in the groove holes 41 of the knife groove lifting seat 4 and press against the upper bottom surface of the groove holes 41;

[0031] A transverse T-shaped rear guide rail groove is formed on the rear end surface of the hemming knife groove 3, rear T-shaped bolts are inserted into the two ends of the rear guide rail groove, a vertical connecting plate is inserted into the rear end of the T-shaped bolt, and a rear fastening nut is screwed on the connecting plate, which presses against the connecting plate; a fastening bolt is inserted into the lower end of the connecting plate, and the front end of the fastening bolt is screwed and fixed on the knife groove lifting seat 4.

[0032] The hemming knife plate 2 is located in the middle part of the installation groove 123 in the knife seat plate 12, a plurality of threaded holes are formed on the rear side walls of the installation grooves 123 on both sides of the hemming knife plate 2, the two end surfaces of the hemming knife plate 2 abut against hemming knife blocks with the same cross section as the hemming knife plate 2, step holes are formed on the hemming knife blocks, screws are inserted into the step holes of the hemming knife blocks, and the screws are screwed and fixed in the threaded holes of the knife seat plate 12, and the hemming knife blocks are arranged at the two ends of the hemming knife plate 2 to realize the growth of the hemming knife plate 2.

[0033] The front and rear ends of the outer side wall of the wallboard 11 are respectively fixed with L-shaped machine feet 17, and mounting holes are formed on the machine feet 17; the lower end surface of the machine feet 17 is flush with the lower end surface of the wallboard 11, and the machine feet 17 can be fixed on the workshop floor used by the flanging machine through expansion bolts to achieve firm fixing of the rack.

[0034] The support plate 15 is provided with at least three pieces, and a plurality of rectangular support lugs 152 are formed on the front end surface of the support plate 15 above the avoiding opening 151; the support lugs 152 are inserted into the air duct avoiding slot 121 of the tool holder plate 12 and abut against the upper bottom surface of the air duct avoiding slot 121.

[0035] A plurality of insertion holes are formed on the upper end surface of the tool holder plate 12, and a reinforcing insertion block 111 is formed on the upper side of the front end surface of the wallboard 11; the reinforcing insertion block 111 is inserted into the insertion hole of the tool holder plate 12 and abuts against the lower bottom surface of the insertion hole.

[0036] An ear plate 154 is formed on the support plate 15 below the avoiding opening 151, the ear plate 154 is located on the lower side of the reinforcing plate 14 and is inserted with a transverse support shaft 20, a plurality of obliquely arranged pull plates 30 are inserted on the support shaft 20, a transverse reinforcing shaft 40 is inserted on the lower end of the pull plate 30, and the two ends of the reinforcing shaft 40 and the support shaft 20 are respectively inserted and fixed on the wallboard 11.

[0037] Longitudinal rectangular rib plates are fixed on the two ends of the reinforcing plate 14, the rib plates abut against the inner side walls of the wallboard 11, positioning pins are inserted and fixed on the rib plates, the positioning pins are inserted on the wallboard 11, reinforcing bolts are inserted on the wallboard 11, and the reinforcing bolts are screwed and fixed on the rib plates.

[0038] Two groups of limiting abutments 8 are arranged between the flanging knife plate 2 and the flanging knife groove 3, rectangular installation openings 112 are formed on the front end surface of the wallboard 11, and the limiting abutments 8 are located on the rear side of the flanging knife groove 3 and are respectively inserted into the installation openings 112 of the wallboard 11.

[0039] The limiting abutment 8 comprises an L-shaped base 81 fixed on the rear end surface of the knife groove lifting seat 4, a longitudinal and steel groove-shaped groove seat 82 fixed on the upper end surface of the base 81, an adjusting block 83 inserted into the groove seat 82, a longitudinal guide groove 831 formed on the adjusting block 83, a guide bolt 84 inserted into the guide groove 831, the lower end of the guide bolt 84 being screwed and fixed on the groove seat 82, a longitudinal adjusting screw 85 screwed on the rear end of the adjusting block 83, an adjusting knob 851 formed on the rear end of the adjusting screw 85, an annular scale groove formed on the rear end surface of the adjusting knob 851, a limiting stop ring 852 formed on the adjusting screw 85 of the front side of the adjusting knob 851, a transverse positioning plate 86 provided on the rear side of the groove seat 82, connecting columns 87 inserted and fixed at both ends of the positioning plate 86, the front ends of the connecting columns 87 being inserted and fixed on the groove seat 82, a pivoting groove 861 formed on the upper end surface of the positioning plate 86, the adjusting screw 85 of the adjusting knob 851 and the limiting stop ring 852 being inserted into the pivoting groove 861 of the positioning plate 86, so that the positioning plate 86 and the adjusting screw 85 are pivoted, and a longitudinal strip-shaped limiting block 88 inserted and fixed on the front end of the adjusting block 83.

[0040] The limiting abutment 8 is adjusted by screwing to control the width of the folded edge of the edge-folded air duct.

[0041] The knife groove lifting seat 4 is sleeved with a protection cover 9 in the shape of a horizontal section of a Chinese character "Fang", and the lifting oil cylinder 7 is arranged in the protection cover 9; a plurality of longitudinal support columns 91 are fixed on the protection cover 9 by bolts, the rear ends of the support columns 91 are fixed on the oil cylinder mounting plate 16, and the protection cover 9 has a protection function.

[0042] Working principle: the edge folding machine is of a knife groove lifting type, the edge folding knife plate 2 is designed in a fixed structure, a wind duct avoiding groove 121 is formed on the upper side of the knife seat plate 12, the edge folding knife groove 3 is designed in a lifting structure, the wind duct can be lifted together with the edge folding knife groove 3 to cooperate with the edge folding knife plate 2 to fold the edge, and the wind duct enters the wind duct avoiding groove 121 of the knife seat plate during the folding process, so that the side edge of the wind duct is smoothly folded;

[0043] If the edge folding knife plate 2 is still in a lifting structure, the wind duct needs to be lowered together with the edge folding knife plate 2, but the panel on the wind duct is inconvenient to position against the edge folding knife plate 2 (because the lower end of the edge folding knife plate 2 is a blade part, and the upper end surface of the edge folding knife groove 3 is a plane, so that the panel on the wind duct is conveniently positioned, and when the bending is completed, Figure 6As shown, part of the air duct 10 can enter the air duct avoiding slot 121 of the tool holder plate 12, so that the interference problem does not occur. When the edge is folded, the side edge of the upper panel of the air duct 10 abuts against the limiting block 88 of the limiting abutment 8. The position of the limiting block 88 can be adjusted, so as to facilitate the adjustment of the width of the folded edge.

[0044] However, when the edge is folded, if the air duct avoiding slot 121 is formed on the tool holder plate 12, the air duct avoiding slot 121 will break the strength of the tool holder plate 12, and easily cause the damage of the tool holder plate 12. Therefore, the reinforcing structure of the support plate 15 and the reinforcing plate 14 is additionally arranged, and the air duct is avoided. Therefore, the avoiding opening 151 opposite to the air duct avoiding slot 121 is also formed on the support plate 15. The avoiding opening 151 will also damage the strength of the support plate 15. In addition to the support plate 15 and the reinforcing plate 14 being fixed to enhance the strength of the support plate 15, the reinforcing structure of the support shaft 20, the reinforcing shaft 40 and the pull plate 30 is also arranged.

[0045] The embodiments are used to exemplarily illustrate the present application, and are not used to limit the present application. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application should be subject to the claims of the present application.

Claims

1. A knife groove lifting type flanging machine, comprising a machine base (1) including two opposite wall plates (11), a cross beam (13) being fixedly connected between the back sides of the wall plates (11) and distributed at the upper and lower ends of the wall plates (11); the upper part of the front end face of the wall plates (11) is fixed with a rectangular knife seat plate (12), characterized in that: The lower side of the front end face of the tool seat plate (12) is formed with a mounting groove (123) penetrating through the lower end face of the tool seat plate (12), the folding edge tool plate (2) is fixedly inserted into the mounting groove (123), the folding edge tool plate (2) is provided with a folding edge tool groove (3) below, the folding edge tool groove (3) is fixed on the vertical tool groove lifting seat (4), the rear end face of the tool groove lifting seat (4) is fixed with a plurality of vertically distributed sliding blocks (6), the sliding blocks (6) are inserted with vertical guide rails (5), and the guide rails (5) are fixed on the front end face of the wall plate (11) respectively; The lower end face of the tool groove lifting seat (4) is fixed with the piston rod of the vertical lifting oil cylinder (7), the cylinder body of the lifting oil cylinder (7) is fixed on the horizontal oil cylinder mounting plate (16), and the two ends of the oil cylinder mounting plate (16) are fixed on the wall plate (11) below the guide rail (5) respectively; The middle part of the tool seat plate (12) is formed with a wind scoop avoiding groove (121), the wind scoop avoiding groove (121) is composed of a lower arc-shaped lower bottom face and an upper horizontal upper bottom face; a plurality of vertical and horizontally distributed support plates (15) are inserted between the wall plates (11) behind the wind scoop avoiding groove (121), the front end face of the support plate (15) is formed with an avoiding opening (151) opposite to the wind scoop avoiding groove (121) and in the shape of an acute angle; the front end face of the support plate (15) on the upper side of the avoiding opening (151) abuts against the rear end face of the tool seat plate (12) and is fixed to the tool seat plate (12) by bolts, the rear end face of the support plate (15) is fixed on the horizontal reinforcing plate (14), and the two ends of the reinforcing plate (14) are fixed on the wall plates (11) respectively; a plurality of limiting grooves (122) are formed on the lower bottom face of the wind scoop avoiding groove (121) on the tool seat plate (12), the lower side of the avoiding opening (151) on the support plate (15) is formed with a triangular pressing foot (153), the pressing foot (153) is inserted into the limiting groove (122) of the tool seat plate (12) and abuts against the bottom face of the limiting groove (122).

2. A knife slot lift type flanging machine according to claim 1, characterized in that: The lower end of the folding edge tool plate (2) is formed with a tool head in the shape of a straight angle cross section, the upper end face of the folding edge tool groove (3) is formed with a tool groove opposite to the tool head of the folding edge tool plate (2); a lower guide rail groove in the shape of a horizontal T is formed on the lower end face of the folding edge tool groove (3), a lower T-shaped bolt is inserted into the lower guide rail groove, the lower end of the lower T-shaped bolt is inserted into the tool groove lifting seat (4) and is screwed with a lower fastening nut, a plurality of horizontally distributed and rectangular groove holes (41) are formed on the tool groove lifting seat (4), and the lower fastening nuts are distributed in the groove holes (41) of the tool groove lifting seat (4) and press against the upper bottom face of the groove holes (41); A rear guide rail groove in the shape of a horizontal T is formed on the rear end face of the folding edge tool groove (3), rear T-shaped bolts are inserted into the two ends of the rear guide rail groove, a vertical connecting plate is inserted into the rear end of the T-shaped bolt, and a rear fastening nut is screwed with the connecting plate, the rear fastening nut presses against the connecting plate, a fastening bolt is inserted into the lower end of the connecting plate, and the front end of the fastening bolt is screwed and fixed on the tool groove lifting seat (4).

3. A knife slot lift type flanging machine according to claim 2, characterized in that: The folding blade plate (2) is located in the middle of the installation groove (123) of the blade seat plate (12), a plurality of threaded holes are formed in the rear sidewall of the installation groove (123) on both sides of the folding blade plate (2), the two end faces of the folding blade plate (2) abut against the folding blade block with the same cross section as the folding blade plate (2), a stepped hole is formed in the folding blade block, a screw is inserted into the stepped hole of the folding blade block, and the screw is screwed and fixed in the threaded hole of the blade seat plate (12).

4. A knife slot lift type flanging machine according to claim 1, characterized in that: The front end and the rear end of the outer sidewall of the wall plate (11) are respectively fixed with L-shaped machine feet (17), and the machine feet (17) are formed with mounting holes; the lower end face of the machine feet (17) is flush with the lower end face of the wall plate (11).

5. A knife slot lift type flanging machine according to claim 1, characterized in that: The support plate (15) is provided with at least three pieces, and a plurality of rectangular support protrusions (152) are formed on the front end face of the support plate (15) on the upper side of the avoidance opening (151); the support protrusions (152) are inserted into the air duct avoidance slot (121) of the blade seat plate (12) and abut against the upper bottom face of the air duct avoidance slot (121); A plurality of insertion holes are formed on the upper end face of the blade seat plate (12), and a reinforcing insertion block (111) is formed on the upper side of the front end face of the wall plate (11); the reinforcing insertion block (111) is inserted into the insertion hole of the blade seat plate (12) and abuts against the lower bottom face of the insertion hole; An ear plate (154) is formed on the support plate (15) below the avoidance opening (151), the ear plate (154) is located on the lower side of the reinforcing plate (14) and is inserted with a transverse support shaft (20), a plurality of inclined pull plates (30) are inserted into the support shaft (20), a transverse reinforcing shaft (40) is inserted into the lower end of the pull plate (30), and the two ends of the reinforcing shaft (40) and the support shaft (20) are respectively inserted and fixed on the wall plate (11); The reinforcing plate (14) is fixed with a longitudinal rectangular rib plate at both ends, the rib plate abuts against the inner sidewall of the wall plate (11), a positioning pin is inserted and fixed on the rib plate, the positioning pin is inserted into the wall plate (11), a reinforcing bolt is inserted into the wall plate (11), and the reinforcing bolt is screwed and fixed on the rib plate.

6. A knife slot lift type flanging machine according to claim 1, characterized in that: Two groups of limiting abutments (8) are arranged between the folding blade plate (2) and the folding blade groove (3), a rectangular installation port (112) is formed on the front end face of the wall plate (11), and the limiting abutments (8) are located on the rear side of the folding blade groove (3) and are respectively inserted into the installation port (112) of the wall plate (11). The limiting abutment (8) comprises an L-shaped base (81) fixed on the rear end surface of the tool groove lifting seat (4), an upper end surface of the base (81) is fixed with a longitudinal and steel groove-shaped groove seat (82), the groove seat (82) is inserted with an adjusting block (83), the adjusting block (83) is formed with a longitudinal guide groove (831), the guide groove (831) is inserted with a guide bolt (84), the lower end of the guide bolt (84) is screwed and fixed on the groove seat (82), the rear end of the adjusting block (83) is screwed with a longitudinal adjusting screw (85), the rear end of the adjusting screw (85) is formed with an adjusting knob (851), the adjusting screw (85) on the front side of the adjusting knob (851) is formed with a limiting stop ring (852), the rear side of the groove seat (82) is provided with a transverse positioning plate (86), both ends of the positioning plate (86) are inserted and fixed with connecting columns (87), the front ends of the connecting columns (87) are inserted and fixed on the groove seat (82), the upper end surface of the positioning plate (86) is formed with a pivot connection groove (861), the adjusting screw (85) of the adjusting knob (851) and the limiting stop ring (852) is inserted in the pivot connection groove (861) of the positioning plate (86); the front end of the adjusting block (83) is inserted and fixed with a longitudinal strip-shaped limiting block (88).

7. A knife slot lift type flanging machine according to claim 1, characterized in that: The tool groove lifting seat (4) is inserted with a protection cover (9) with a horizontal section in the shape of a "Fang" character, the lifting oil cylinder (7) is distributed in the protection cover (9); the protection cover (9) is fixed with a bolt and is connected with a plurality of longitudinal supporting columns (91), the rear end of the supporting column (91) is fixed on the oil cylinder mounting plate (16).

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