Roof profile forming device

Abstract

The present invention discloses a roof profile forming device, comprising a frame, wherein the frame is rotatably provided with multiple upper rotating shafts and lower rotating shafts; the feeding end of the frame is provided with multiple convex mold groups; the convex mold group includes an upper convex roller and a lower convex roller; the profile is clamped between the upper convex roller and the lower convex roller, and the middle part of the profile is bent upward to form an inner convex portion and an outer convex portion through the convex mold group; a plurality of folding molds are provided on the frame at the discharge end of the convex mold group; the folding mold includes an upper folding roller, a lower folding roller and two pressing rollers; the middle part of the profile is clamped between the upper folding roller and the lower folding roller; an inner folding inclined surface is provided on the outer side of the lower end of the folding protrusion; the pressing roller is rotatably arranged on the frames on both sides of the folding protrusion, and the outer edge of the pressing roller abuts against the bottom of the inner folding inclined surface; a plurality of folding modules are provided on the frame at the discharge end of the folding module group, which are bent on both sides of the profile to form a left overlapping portion and a right overlapping portion through the folding modules.

Description

Technical Field

[0001] The invention relates to the technical field of forming processing equipment, in particular to a roofing profile forming device. Background Art

[0002] Roofing profiles are often made of steel plates, which are rolled and cold-formed. They are suitable for roofing industrial and civil buildings, warehouses, special buildings, and large-span steel structures. They are lightweight, high-strength, earthquake-resistant, fireproof, and rainproof, and have been widely promoted and applied. In actual production applications, the two sides of the roofing profile are bent to form left and right overlapping parts, respectively. The left overlapping part is placed on the right overlapping part of the adjacent roofing profile, splicing the adjacent roofing profiles together. The inner side of the roofing profile is bent to form an upwardly protruding mounting protrusion. The mounting protrusion includes an upper arrow portion and a lower arrow portion. The longitudinal cross-sections of the upper and lower arrow portions are coaxial and arranged in the same direction. The lower end of the upper arrow portion is connected to the tip of the lower arrow portion. The inner sides of the upper and lower arrow portions are connected to form a mounting groove. The profile body is tightly inserted into the mounting groove from bottom to top through the roof-fixed connector. The existing forming device of the above-mentioned roof profile includes multiple independent forming and processing mechanisms, which requires the conversion of multiple workbenches, cannot perform continuous forming and processing, has low work efficiency, poor forming accuracy, and is difficult to meet actual production and processing needs. Summary of the Invention

[0003] The purpose of the present invention is to provide a roof profile forming device, which can roll-form steel plates and other profiles into one piece to produce roof profiles that can be quickly installed and spliced. The device can be continuously and rapidly roll-formed on a large scale, has high production efficiency, low cost, good forming accuracy, and can effectively meet the production needs of enterprises.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] The lifting mechanism is a kind of lifting mechanism that lifts up and down of lifting mechanism, and the lifting mechanism of lifting mechanism is a kind of lifting mechanism of lifting mechanism, and the lifting mechanism of lifting mechanism is a kind of lifting mechanism of lifting mechanism. , a lower folding roller and two pressing rollers which are sleeved and fixed on the lower rotating shaft; a "V"-shaped folding groove is provided on the outer edge of the upper folding roller, and a folding protrusion is provided on the middle outer edge of the lower folding roller; the middle of the profile is clamped between the upper folding roller and the lower folding roller, and the profile is folded downward by embedding the top of the folding protrusion into the folding groove; an inward folding slope is provided on the outer side of the lower end of the folding protrusion, and the slope of the inward folding slope on the adjacent lower folding roller gradually increases along the feeding direction; the pressing rollers are respectively rotatably arranged on the frames on both sides of the folding protrusion, and the outer edge of the pressing roller rests on the bottom of the inward folding slope, and the profile on the outside of the outer convex part is bent inward by the pressing roller to finally form a mounting protrusion; a plurality of folding modules are provided on the frame at the discharge end of the folding module, and the left overlapping part and the right overlapping part are respectively bent on both sides of the profile by the folding modules.

[0006] Furthermore, a plurality of transition modules are arranged between the folding module and the folding module; the transition module includes an upper transition roller and a lower transition roller which are respectively sleeved and fixed on the upper rotating shaft and the lower rotating shaft; the mounting protrusion of the profile is passed between the upper transition roller and the lower transition roller; an inner bending edge groove is provided on the lower transition roller outside the mounting protrusion, and an inner bending protrusion is provided on the upper transition roller outside the mounting protrusion, and the inner bending protrusion is embedded in the inner bending edge groove to bend both sides of the profile downward and then flatten the outer side of the profile.

[0007] Furthermore, the inner bending edge groove is arranged on the lower transition roller close to the feed end side, and the inner bending convex portion is arranged on the upper transition roller close to the feed end side; the lower transition roller close to the discharge end side is provided with an outer bending edge groove, and the upper transition roller close to the discharge end side is provided with an outer bending convex portion; the outer bending edge groove is located on the outside of the inner bending edge groove, and the outer bending convex portion is located on the outside of the inner bending convex portion, and the outer sides of the two sides of the profile are bent upward respectively by embedding the outer bending convex portion into the outer bending edge groove and then flattening the outer side of the profile; the upper transition roller and the lower transition roller press against each other to bend the two sides of the profile to form a drainage groove.

[0008] Furthermore, the folding die set includes a left die set and a right die set; the left overlapping portion is an inverted "U" shape, and the right overlapping portion is an inverted "L" shape; the left die set includes an upper left die and a lower left die which are respectively sleeved and fixed on the upper rotating shaft and the lower rotating shaft; the outer edge of the upper left die is provided with a buckle groove; the two inner side surfaces of the buckle groove are inclined surfaces, and the inclined surfaces of adjacent buckle grooves gradually increase along the feeding direction, and the left end of the profile is bent to form an inverted "U"-shaped left overlapping portion by tightly embedding the lower left die into the buckle groove; the right die includes an upper left die and a lower left die which are sleeved and fixed on the upper rotating shaft and the lower rotating shaft respectively; the outer edge of the upper left die is provided with a buckle groove; the two inner side surfaces of the buckle groove are inclined surfaces, and the inclined surfaces of adjacent buckle grooves gradually increase along the feeding direction, and the left end of the profile is bent to form an inverted "U"-shaped left overlapping portion by tightly embedding the lower left die into the buckle groove; the right die includes an upper left die and a lower left die which are sleeved and fixed on the upper rotating shaft The outer mold unit and the inner mold unit are arranged in sequence in the direction; the outer mold unit includes an upper outer mold and a lower outer mold which are respectively sleeved and fixed on the upper rotating shaft and the lower rotating shaft; the inner outer edge of the lower outer mold is provided with an outer shoulder groove, and the upper outer mold is embedded in the outer shoulder groove to bend the right end of the profile upward; the inner mold unit includes an upper inner mold and a lower inner mold which are respectively sleeved and fixed on the upper rotating shaft and the lower rotating shaft; the inner outer edge of the lower inner mold is provided with an inner shoulder groove, and the upper inner mold is embedded in the inner shoulder groove to bend the inner side of the end of the right side of the profile upward again to form an inverted "L"-shaped right overlapping part.

[0009] Furthermore, a straightening wheel is rotatably provided on the frame at the discharge end of the inner mold unit; the right side of the profile abuts against the straightening wheel, and the right end of the profile bent by the inner mold unit is straightened by the straightening wheel.

[0010] Furthermore, a driving motor is fixed on the frame; the output shaft of the driving motor is connected to a plurality of upper rotating shafts or lower rotating shafts, and the driving motor drives the upper rotating shafts or lower rotating shafts to rotate to drive the profile feeding.

[0011] Furthermore, a cutting assembly is provided at the discharge end of the frame; the cutting assembly includes a lifting hydraulic press, a cutter and a knife holder; the knife holder is fixed on the frame, and a discharge hole consistent with the shape of the formed profile is provided on the knife holder; the lifting hydraulic press is fixed to the upper end of the frame, and the telescopic rod of the lifting hydraulic press is fixedly connected to the cutter; the lower end of the cutter is passed through the middle of the knife holder, and the cutter is driven down by the lifting hydraulic press to cut off the profile tightly passed through the discharge hole.

[0012] Furthermore, a deepening module is provided between the forming convex module group and the folding module group; the deepening module group includes two upper deepening rollers and two lower deepening rollers; the upper deepening rollers are rotatably connected to the frame above the profile, and the lower deepening rollers are rotatably connected to the frame below the profile; the outer edge of the lower deepening roller is provided with a deepening groove, and the outer edge of the upper deepening roller is provided with a deepening protrusion; the deepening protrusion is tilted downward and embedded in the deepening groove to tilt the profile between the inner convex part and the outer convex part downward and inward.

[0013] After adopting the above technical solution, the present invention has the following beneficial effects: steel plates and other profiles can be rolled into one piece by roller forming to produce roof profiles that can be quickly installed and spliced. It can be rolled into shape continuously and on a large scale quickly, with high production efficiency, low cost, and good forming accuracy, which can effectively meet the production needs of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a flow chart of the molding principle of the present invention;

[0015] Figure 2 for Figure 1 Flowchart of the molding principle of the mounting convex part;

[0016] Figure 3 It is a structural schematic diagram of the profile after forming of the present invention;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 5 It is a structural schematic diagram of the punch assembly of the present invention;

[0019] Figure 6 It is a structural schematic diagram of the deepening module of the present invention;

[0020] Figure 7 It is a structural schematic diagram of the folding module of the present invention;

[0021] Figure 8 This is a schematic structural diagram of the transition module on the side close to the feed end of the present invention;

[0022] Figure 9 This is a schematic structural diagram of the transition module on the side close to the discharge end of the present invention;

[0023] Figure 10 Schematic diagram of the structure of the outer mold unit of the present invention;

[0024] Figure 11 It is a structural schematic diagram of the left mold group and the inner mold unit of the present invention;

[0025] Figure 12 It is a structural schematic diagram of the straightening wheel of the present invention;

[0026] Figure 13 Schematic diagram of the structure of the drive motor of the present invention;

[0027] Figure 14 It is a schematic structural diagram of the cutting assembly of the present invention.

[0028] The reference numerals in the figures are as follows:

[0029] 1. Frame; 10. Upper shaft; 11. Lower shaft; 2. Profile; 20. Inner convex portion; 21. Outer convex portion; 22. Mounting convex portion; 23. Left overlap portion; 24. Right overlap portion; 25. Drainage groove; 3. Convex die set; 30. Upper convex roller; 300. Inner groove; 301. Outer groove; 31. Lower convex roller; 310. Inner convex portion; 311. Outer convex portion; 4. Folding die set; 40. Upper folding roller; 400. Folding groove; 41. Lower folding roller; 410. Folding convex portion; 411. Inner folding slope; 42. Pressing roller; 5. Folding die set; 50. Left die set; 500. Upper left die set; 5000. Buckle groove; 501. Lower left die set; 51. Right die set; 5 10. Outer mold unit; 5100. Upper outer mold; 5101. Lower outer mold; 5102. Outer shoulder groove; 511. Inner mold unit; 5110. Upper inner mold; 5111. Lower inner mold; 5112. Inner shoulder groove; 512. Straightening wheel; 6. Transition module; 60. Upper transition roller; 600. Inner bending convex portion; 601. Outer bending convex portion; 61. Lower transition roller; 610. Inner bending edge groove; 611. Outer bending edge groove; 7. Drive motor; 8. Cutting assembly; 80. Lifting hydraulic press; 81. Cutter; 82. Knife holder; 820. Discharge hole; 9. Deepening module; 90. Upper deepening roller; 900. Deepening protrusion; 91. Lower deepening roller; 910. Deepening groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] See also Figures 1 to 14A roof profile forming device includes a frame 1, which is provided with a plurality of upper rotating shafts 10 and lower rotating shafts 11 arranged opposite to each other in the feeding direction of the profile 2; a plurality of forming convex mold groups 3 are provided at the feeding end of the frame 1; the forming convex mold group 3 includes an upper convex roller 30 and a lower convex roller 31 which are respectively sleeved and fixed on the upper rotating shaft 10 and the lower rotating shaft 11; the outer edges of both sides of the lower convex roller 31 are respectively provided with inner protrusions 310, and the outer edge of the lower convex roller 31 outside the inner protrusions 310 is provided with outer protrusions 311; inner grooves 300 are respectively provided on the outer edges of both sides of the upper convex roller 30, and outer grooves 301 are provided on the outer edge of the upper convex roller 30 outside the inner grooves 300; the profile 2 is clamped between the upper convex roller 30 and the lower convex roller 31, and the middle part of the profile 2 is bent upward by the forming convex die set 3 to form the inner convex part 20 and the outer convex part 21; a plurality of folding modules 4 are provided on the frame 1 at the discharge end of the forming convex die set 3; the folding module 4 includes an upper folding roller 40, which is sleeved and fixed to the upper rotating shaft 10, The lower folding roller 41 and the two pressing rollers 42 are sleeved and fixed to the lower rotating shaft 11; the outer edge of the upper folding roller 40 is provided with a "V"-shaped folding groove 400, and the middle outer edge of the lower folding roller 41 is provided with a folding protrusion 410; the middle part of the profile 2 is clamped between the upper folding roller 40 and the lower folding roller 41, and the profile 2 is folded downward by inserting the top of the folding protrusion 410 into the folding groove 400; the outer side of the lower end of the folding protrusion 410 is provided with an inward folding inclined surface 411, and the upper and lower folding rollers 41 are adjacent to each other. The slope of the inner folding slope 411 gradually increases along the feeding direction; the pressing rollers 42 are rotatably arranged on the frame 1 on both sides of the folding protrusion 410, and the outer edge of the pressing roller 42 is against the bottom of the inner folding slope 411, and the profile 2 on the outside of the outer protrusion 21 is bent inward by the pressing roller 42 to finally form the installation protrusion 22; a plurality of folding modules 5 are arranged on the frame 1 at the discharge end of the folding module 4, and the folding modules 5 are used to bend the two sides of the profile 2 to form a left overlap 23 and a right overlap 24.

[0032] like Figure 1 、 Figure 3 、 Figure 4 and Figure 8 As shown, a plurality of transition modules 6 are arranged between the folding module 4 and the folding module 5; the transition module 6 includes an upper transition roller 60 and a lower transition roller 61 which are respectively sleeved and fixed on the upper rotating shaft 10 and the lower rotating shaft 11; the mounting protrusion 22 of the profile 2 is passed between the upper transition roller 60 and the lower transition roller 61; an inner bending edge groove 610 is provided on the lower transition roller 61 outside the mounting protrusion 22, and an inner bending protrusion 600 is provided on the upper transition roller 60 outside the mounting protrusion 22, and the inner bending protrusion 600 is embedded in the inner bending edge groove 610 to bend the two side edges of the profile 2 downward and flatten the outer side of the profile 2.

[0033] like Figure 1 、 Figure 3 、 Figure 4 、 Figure 8 and Figure 9 As shown, the inner bending edge groove 610 is arranged on the lower transition roller 61 near the feed end side, and the inner bending protrusion 600 is arranged on the upper transition roller 60 near the feed end side; the lower transition roller 61 near the discharge end side is provided with an outer bending edge groove 611, and the upper transition roller 60 near the discharge end side is provided with an outer bending protrusion 601; the outer bending edge groove 611 is located on the outside of the inner bending edge groove 610, and the outer bending protrusion 601 is located on the outside of the inner bending protrusion 600, and the outer bending protrusion 601 is embedded in the outer bending edge groove 611 to bend the outer sides of the profile 2 upward respectively and flatten the outer side of the profile 2; the upper transition roller 60 and the lower transition roller 61 press against each other to bend the two sides of the profile 2 to form a drainage groove 25.

[0034] like Figure 1 、 Figure 3 、 Figure 4 、 Figure 10 and Figure 11 As shown, the folding module 5 includes a left module 50 and a right module 51; the left overlapping portion 23 is an inverted "U" shape, and the right overlapping portion 24 is an inverted "L" shape; the left module 50 includes an upper left mold 500 and a lower left mold 501 which are respectively sleeved and fixed on the upper rotating shaft 10 and the lower rotating shaft 11; the outer edge of the upper left mold 500 is provided with a buckle groove 5000; the two inner side surfaces of the buckle groove 5000 are inclined surfaces, and the inclined surfaces of adjacent buckle grooves 5000 gradually increase in the feeding direction, and the left end of the profile 2 is bent to form an inverted "U"-shaped left overlapping portion 23 by tightly embedding the lower left mold 501 in the buckle groove 5000; the right mold 51 includes outer mold units 51 arranged in sequence along the feeding direction. 0 and an inner mold unit 511; the outer mold unit 510 includes an upper outer mold 5100 and a lower outer mold 5101 which are respectively sleeved and fixed on the upper rotating shaft 10 and the lower rotating shaft 11; the inner outer edge of the lower outer mold 5101 is provided with an outer shoulder groove 5102, and the upper outer mold 5100 is embedded in the outer shoulder groove 5102 to bend the right end of the profile 2 upward; the inner mold unit 511 includes an upper inner mold 5110 and a lower inner mold 5111 which are respectively sleeved and fixed on the upper rotating shaft 10 and the lower rotating shaft 11; the inner outer edge of the lower inner mold 5111 is provided with an inner shoulder groove 5112, and the upper inner mold 5110 is embedded in the inner shoulder groove 5112 to bend the inner side of the right end of the profile 2 upward again to form an inverted "L"-shaped right overlapping portion 24.

[0035] like Figure 1 、 Figure 3 、 Figure 4 and Figure 11As shown, a straightening wheel 512 is rotatably provided on the frame 1 at the discharge end of the inner mold unit 511; the right side of the profile 2 rests on the straightening wheel 512, and the right end of the profile 2 bent by the inner mold unit 511 is straightened by the straightening wheel 512.

[0036] like Figure 4 and Figure 13 As shown, a drive motor 7 is fixed on the frame 1; the output shaft of the drive motor 7 is connected to a plurality of upper rotating shafts 10 or lower rotating shafts 11, and the drive motor 7 drives the upper rotating shafts 10 or lower rotating shafts 11 to rotate and drive the profile 2 to feed.

[0037] like Figure 4 and Figure 14 As shown, the discharging end of the frame 1 is provided with a cutting assembly 8; the cutting assembly 8 includes a lifting hydraulic machine 80, a cutter 81 and a knife seat 82; the knife seat 82 is fixed on the frame 1, and the knife seat 82 is provided with a discharging hole 820 consistent with the shape of the formed profile 2; the lifting hydraulic machine 80 is fixed to the upper end of the frame 1, and the telescopic rod of the lifting hydraulic machine 80 is fixedly connected to the cutter 81; the lower end of the cutter 81 is penetrated into the middle of the knife seat 82, and the cutter 81 is driven to descend by the lifting hydraulic machine 80 to cut off the profile 2 tightly penetrated by the discharging hole 820.

[0038] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6 As shown, a deepening module 9 is provided between the forming convex module 3 and the folding module 4; the deepening module 9 includes two upper deepening rollers 90 and two lower deepening rollers 91; the upper deepening rollers 90 are rotatably connected to the frame 1 above the profile 2, and the lower deepening rollers 91 are rotatably connected to the frame 1 below the profile 2; the outer edge of the lower deepening roller 91 is provided with a deepening groove 910, and the outer edge of the upper deepening roller 90 is provided with a deepening protrusion 900; the deepening protrusion 900 is tilted downward and embedded in the deepening groove 910 to tilt the profile 2 between the inner protrusion 20 and the outer protrusion 21 downward and inward.

[0039] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A roof profile forming device, characterized in that: The invention comprises a frame (1), wherein the frame (1) is provided with a plurality of upper rotating shafts (10) and lower rotating shafts (11) arranged opposite to each other in the upper and lower directions so as to rotate along the feeding direction of the profile (2); a plurality of forming convex die groups (3) are provided at the feeding end of the frame (1); the forming convex die group (3) comprises an upper convex roller (30) and a lower convex roller (31) respectively sleeved and fixed on the upper rotating shaft (10) and the lower rotating shaft (11); inner protrusions (310) are respectively provided on the outer edges of both sides of the lower convex roller (31), and an outer protrusion (311) is provided on the outer edge of the lower convex roller (31) outside the inner protrusion (310); the upper convex roller (30) and the lower convex roller (31) are respectively sleeved and fixed on the upper rotating shaft (10) and the lower rotating shaft (1 ... The outer edges of both sides of the roller (30) are respectively provided with inner grooves (300), and the outer edge of the upper convex roller (30) outside the inner grooves (300) is provided with outer grooves (301); the profile (2) is clamped between the upper convex roller (30) and the lower convex roller (31), and the middle part of the profile (2) is bent upward by the forming convex die group (3) to form an inner convex part (20) and an outer convex part (21); a plurality of folding die groups (4) are provided on the frame (1) at the discharge end of the forming convex die group (3); the folding die group (4) includes an upper folding roller (40) sleeved and fixed on the upper rotating shaft (10), a sleeved and fixed upper folding die group (41), and a lower folding die group (42) sleeved and fixed on the upper rotating shaft (10). The lower folding roller (41) and two pressing rollers (42) of the lower rotating shaft (11) are provided; a V-shaped folding groove (400) is provided on the outer edge of the upper folding roller (40), and a folding protrusion (410) is provided on the outer edge of the middle part of the lower folding roller (41); the middle part of the profile (2) is clamped between the upper folding roller (40) and the lower folding roller (41), and the profile (2) is folded downward by inserting the top of the folding protrusion (410) into the folding groove (400); the outer side of the lower end of the folding protrusion (410) is provided with an inner folding inclined surface (411), and the inner folding inclined surface on the adjacent lower folding roller (41) is provided. The slope of the surface (411) gradually increases along the feeding direction; the pressing rollers (42) are rotatably arranged on the frames (1) on both sides of the folding protrusion (410), and the outer edges of the pressing rollers (42) are pressed against the bottom of the inner folding inclined surface (411), and the profile (2) outside the outer convex portion (21) is bent inward by the pressing rollers (42) to finally form the installation protrusion (22); a plurality of folding modules (5) are arranged on the frame (1) at the discharge end of the folding module (4), and the left overlapping portion (23) and the right overlapping portion (24) are respectively bent on both sides of the profile (2) by the folding modules (5).

2. A roof profile forming device according to claim 1, characterized in that: A plurality of transition modules (6) are provided between the folding module (4) and the folding module (5); the transition module (6) comprises an upper transition roller (60) and a lower transition roller (61) which are respectively sleeved and fixed on the upper rotating shaft (10) and the lower rotating shaft (11); the mounting protrusion (22) of the profile (2) is passed through the upper transition roller (60) and the lower transition roller (61); an inner bending edge groove (610) is provided on the lower transition roller (61) outside the mounting protrusion (22), and an inner bending protrusion (600) is provided on the upper transition roller (60) outside the mounting protrusion (22); the inner bending protrusion (600) is embedded in the inner bending edge groove (610), and the two sides of the profile (2) are respectively bent downwards and the outer side of the profile (2) is flattened.

3. A roof profile forming device according to claim 2, characterized in that: The inner bending edge groove (610) is arranged on the lower transition roller (61) near the feeding end, and the inner bending convex portion (600) is arranged on the upper transition roller (60) near the feeding end; the lower transition roller (61) near the discharging end is provided with an outer bending edge groove (611), and the upper transition roller (60) near the discharging end is provided with an outer bending convex portion (601); the outer bending edge groove (611) is located outside the inner bending edge groove (610), and the outer bending convex portion (601) is located outside the inner bending convex portion (600); the outer bending convex portion (601) is embedded in the outer bending edge groove (611), and the outer sides of the profile (2) are bent upward respectively, and the outer side of the profile (2) is flattened; the upper transition roller (60) and the lower transition roller (61) press against each other to bend the two sides of the profile (2) to form a drainage groove (25).

4. A roof profile forming device according to claim 3, characterized in that: The folding die set (5) comprises a left die set (50) and a right die set (51); the left overlap portion (23) is in an inverted "U" shape, and the right overlap portion (24) is in an inverted "L" shape; the left die set (50) comprises an upper left die (500) and a lower left die (501) which are respectively sleeved and fixed on the upper rotating shaft (10) and the lower rotating shaft (11); a buckle groove (5000) is provided on the outer edge of the upper left die (500); the two inner side surfaces of the buckle groove (5000) are inclined surfaces, and the inclination of the inclined surfaces of adjacent buckle grooves (5000) gradually increases along the feeding direction, and the left end of the profile (2) is bent to form an inverted "U"-shaped left overlap portion (23) by tightly embedding the lower left die (501) in the buckle groove (5000); the right die set (51) comprises an outer die unit (510) and an inner die unit (511) which are sequentially arranged along the feeding direction. Unit (511); the outer mold unit (510) comprises an upper outer mold (5100) and a lower outer mold (5101) which are respectively sleeved and fixed on the upper rotating shaft (10) and the lower rotating shaft (11); the inner outer edge of the lower outer mold (5101) is provided with an outer shoulder groove (5102), and the upper outer mold (5100) is embedded in the outer shoulder groove (5102) to bend the right end of the profile (2) upward; the inner mold unit (511) comprises an upper inner mold (5110) and a lower inner mold (5111) which are respectively sleeved and fixed on the upper rotating shaft (10) and the lower rotating shaft (11); an inner shoulder groove (5112) is provided on the inner outer edge of the lower inner mold (5111); the upper inner mold (5110) is embedded in the inner shoulder groove (5112) to bend the inner side of the right end of the profile (2) upward again to form an inverted "L"-shaped right overlapping portion (24).

5. A roof profile forming device according to claim 4, characterized in that: A straightening wheel (512) is rotatably provided on the frame (1) at the discharge end of the inner mold unit (511); the right side of the profile (2) abuts against the straightening wheel (512), and the right end of the profile (2) bent by the inner mold unit (511) is straightened by the straightening wheel (512).

6. A roof profile forming device according to claim 1, characterized in that: A driving motor (7) is fixed on the frame (1); the output shaft of the driving motor (7) is connected to a plurality of upper rotating shafts (10) or lower rotating shafts (11), and the driving motor (7) drives the upper rotating shafts (10) or lower rotating shafts (11) to rotate and drive the profile (2) to feed.

7. The roof profile forming device according to claim 1, characterized in that: The discharging end of the frame (1) is provided with a cutting assembly (8); the cutting assembly (8) comprises a lifting hydraulic machine (80), a cutter (81) and a cutter seat (82); the cutter seat (82) is fixed on the frame (1), and a discharging hole (820) having the same shape as the formed profile (2) is provided on the cutter seat (82); the lifting hydraulic machine (80) is fixed to the upper end of the frame (1), and the telescopic rod of the lifting hydraulic machine (80) is fixedly connected to the cutter (81); the lower end of the cutter (81) is inserted into the middle of the cutter seat (82), and the cutter (81) is driven downward by the lifting hydraulic machine (80) to cut the profile (2) tightly inserted into the discharging hole (820).

8. The roof profile forming device according to claim 1, characterized in that: A deepening module (9) is provided between the forming convex module (3) and the folding module (4); the deepening module (9) comprises two upper deepening rollers (90) and two lower deepening rollers (91); the upper deepening rollers (90) are rotatably connected to the frame (1) above the profile (2), and the lower deepening rollers (91) are rotatably connected to the frame (1) below the profile (2); a deepening groove (910) is provided on the outer edge of the lower deepening roller (91), and a deepening protrusion (900) is provided on the outer edge of the upper deepening roller (90); the deepening protrusion (900) is tilted downwardly and embedded in the deepening groove (910), so that the profile (2) between the inner convex portion (20) and the outer convex portion (21) is tilted downwardly and recessed inwardly.

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