CN221133692U

CN221133692U - Multi-roller embossing flanging device

Info

Publication number: CN221133692U
Application number: CN202322768653.1U
Authority: CN
Inventors: 谢志兴
Original assignee: Foshan Oufu Environmental Protection Building Materials Co ltd
Current assignee: Foshan Oufu Environmental Protection Building Materials Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-06-14
Anticipated expiration: 2033-10-16

Abstract

The utility model provides a multi-roller embossing and flanging device, which relates to the field of square tube forming equipment and comprises a base, wherein an embossing and flanging assembly is arranged on the base and comprises an embossing rod set, a edging rod set, a flanging rod set, an oblique angle bending rod set, a bending rod set and an embossing rod set which are sequentially arranged. The square bending steel plate bending die has the advantages that the edge bending bar set, the edge folding bar set and the oblique angle bending bar set are used for bending the edges of the two sides of the steel plate, and the steel plate is buckled after the square tube is bent and formed, so that the rigidity of the square tube is increased, the process that a gap existing after bending the square tube is needed to be welded is avoided, the cold working of the whole square tube is realized, the square tube is prevented from being deformed during welding, the embossing bar set, the bending bar set and the embossing bar set are used for square bending and embossing of the steel plate, the square tube is formed by bending, the rigidity of the square tube can be increased by embossing, the rigidity of the thin steel plate after being formed is higher than that of the thin steel plate, and the durability and the application range of the square tube are increased.

Description

Multi-roller embossing flanging device

Technical Field

The utility model relates to the field of square tube forming equipment, in particular to a multi-roller embossing and flanging device.

Background

In the decoration industry, metal square tubes are often required, and the square tubes are generally used at the positions of suspended ceilings, so that the square tubes are required to be lighter in weight, but the square tubes are required to be thinner in wall, the square tubes with thin walls are required to be weaker in rigidity, and the suspended ceilings are required to bear a certain weight, so that a contradiction is formed, and therefore, how to manufacture the square tubes with lighter but higher rigidity is a great challenge for manufacturers.

The technical contents disclosed in Chinese patent literature (application number: CN201921347486.0, patent name: a square tube direct forming machine) are as follows: the device comprises a frame, a rough forming working section, the rough forming working section is used for bending a plate to form a square pipe with an opening, the rough forming working section comprises a first working section and a second working section which are sequentially connected, the first working section is used for bending to form a first outer side section and a second outer side section of the plate body, the second working section is used for bending to form a left side section, a middle section and a right side section of the plate body, the closed working section is used for closing an opening of the square pipe with the opening, the second working section comprises a plurality of first working station sections which are sequentially arranged, each first working station section comprises a first upper shaft rod, a first upper die, a first lower shaft rod and a first lower die, the first upper shaft rod and the first lower shaft rod are sequentially arranged in the frame in a rotating mode, the first upper die moving sleeve is arranged on the first upper shaft rod, the first lower die moving sleeve is arranged on the first lower shaft rod in the frame in a lifting mode through a lifting device, the first lower die comprises a first lower die, a first lower die and a second lower die and a first extrusion groove, a first extrusion groove and a second extrusion groove are formed between the first lower die and the first extrusion groove.

From the above embodiment, although the conventional manner of extruding by using round pipes is avoided, the square pipe bent by the device does not solve the problem of rigidity of the square pipe, the extrusion resistance of the square pipe can only be solved by the thickness of the steel plate, and the steel plate which is too thick is not beneficial to bending the square pipe, so that the produced square pipe has a large limitation in use.

Disclosure of utility model

The utility model overcomes the defects in the prior art, and is provided with the embossing and flanging assembly, wherein the embossing and flanging assembly comprises an embossing rod set, a edging rod set, a flanging rod set, an oblique angle bending rod set, a bending rod set and an embossing rod set which are sequentially arranged, and the steel plate bent into the square tube is embossed in the process of flanging the square tube, so that the rigidity of the whole square tube is increased.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a multi-roller type knurling hem device, has the base, be provided with knurling hem subassembly on the base, knurling hem subassembly is including the knurling rod group, play limit rod group, hem rod group, oblique angle bending rod group, bending rod group and knurling rod group of arranging in proper order.

Still further, knurling hem subassembly includes the base, and the base rotates and is connected with a plurality of first transmission parts, and the base activity is pegged graft and is had a plurality of second transmission parts, and the second transmission part is located first transmission part directly over, and first transmission part is connected with power component.

Still further, the embossing rod group includes the embossing upper rod and the embossing lower rod, and the embossing upper rod is connected with second transmission part, and the embossing lower rod is connected with first transmission part, and the embossing upper rod is provided with a plurality of recesses, and the embossing lower rod is provided with a plurality of sand grip, and the embossing lower rod both ends still are provided with the lug of bending, and the embossing upper rod is arranged in the lug of bending at embossing lower rod both ends.

Further, the edge lifting rod group comprises an edge lifting rod and an edge lifting lower rod, the edge lifting rod is connected with the second transmission part, the edge lifting lower rod is connected with the first transmission part, a lower edge lifting inclined plane groove is formed in one end of the edge lifting rod, a lower edge lifting lug is arranged at the position, opposite to the lower edge lifting inclined plane groove, of the edge lifting lower rod, and an upper edge lifting inclined plane is formed in one end, far away from the lower edge lifting lug, of the edge lifting lower rod;

The folding rod group comprises an upper folding rod and a lower folding rod, the upper folding rod is connected with the second transmission part, the lower folding rod is connected with the first transmission part, one end of the upper folding rod is provided with a lower right-angle folding groove and a lower right-angle folding convex block, the lower folding rod is provided with a lower right-angle folding top block right opposite to the lower right-angle folding groove, and one end of the lower folding rod, far away from the lower right-angle folding top block, is provided with an upper right-angle folding convex block.

Still further, the rod group of bending of oblique angle includes rod and oblique angle lower rod on the oblique angle, and rod is connected with second transmission part on the oblique angle, and rod is connected with first transmission part under the oblique angle, and the one end of rod is provided with the diagonal slot on the oblique angle, and the one end of rod is provided with the diagonal slot under the oblique angle.

Still further, the rod group of bending is including bending the upper rod and bending the lower rod, and the upper rod of bending is connected with second transmission part, and the lower rod of bending is connected with first transmission part, and the both ends of the lower rod of bending are provided with the inclined plane of bending.

Still further, knurling rod group includes knurling upper roller and knurling lower roller, and knurling upper roller is connected with second transmission part, and knurling lower roller is connected with first transmission part, and knurling upper roller is provided with a plurality of knurling recesses, and knurling lower roller is provided with a plurality of knurling sand grip.

Still further, the power component comprises a motor, the motor is connected with a first sprocket, the first sprocket is connected with a chain, the chain is connected with a second sprocket, and the second sprocket is connected with the first transmission component.

Further, the first transmission part comprises an upper transmission shaft, two ends of the upper transmission shaft are rotatably connected with a driving bearing seat, one section of the upper transmission shaft is connected with a driving gear, and the driving gear is meshed with the transmission gear.

Still further, the second transmission part includes the lower drive shaft, and lower drive shaft both ends rotate and are connected with the bearing frame that goes up and down, and bearing frame and base activity are pegged graft, and pedestal connection goes up and down to adjust the base, and lift adjustment base threaded connection has lift adjusting bolt, and lift adjusting bolt lower extreme and bearing frame rotate to be connected.

Compared with the prior art, the utility model has the beneficial effects that:

The embossing and flanging assembly is arranged, and comprises an embossing rod set, an edge lifting rod set, a flanging rod set, an oblique angle bending rod set, a bending rod set and an embossing rod set which are sequentially arranged, wherein the edge lifting rod set, the flanging rod set and the oblique angle bending rod set are mainly used for bending edges of two sides of a steel plate, small edges folded by the three rod sets are buckled after bending and forming of the square tube, so that the rigidity of the square tube is increased, a process that welding is needed for a gap existing after bending the square tube is avoided, cold processing of the whole square tube is realized, deformation of the square tube during welding is avoided, the square tube is more accurate in processing and forming, the embossing rod set, the bending rod set and the embossing rod set are used for square bending and embossing of the steel plate, the square tube is formed after the embossing and embossing are enabled to increase the rigidity of the square tube, the rigidity of the thin steel plate is higher than the thin wall of the square tube, and the durability and the application range of the square tube are increased.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, in which:

FIG. 1 is an overall view of an embossing hemming device;

FIG. 2 is an overall view of an embossed hemming assembly;

FIG. 3 is an exploded view of the embossing hemming assembly;

FIG. 4 is a schematic view of an embossing roll set;

FIG. 5 is a schematic view of a starting rod set;

FIG. 6 is a schematic view of a hemming roller set;

FIG. 7 is a schematic view of a bevel bending roll set;

FIG. 8 is a schematic view of a bending roll set;

FIG. 9 is a schematic view of an embossing roll set.

In the figure: 1. a base; 2. an embossing hemming assembly; 201. a base; 202. a power component; 2021. a motor; 2022. a first sprocket; 2023. a chain; 2024. a second sprocket; 203. a first transmission member; 2031. an upper transmission shaft; 2032. a driving bearing seat; 2033. a drive gear; 2034. a transmission gear; 204. embossing the hemming member; 2041. an embossing roll set; 20411. embossing the upper stick; 204111, grooves; 20412. embossing a lower roll; 204121, raised strips; 204122, bending the convex blocks; 2042. a set of edge rollers; 20421. a lifting stick; 204211, a lower rising edge inclined plane groove; 20422. lifting the edge and putting the stick; 204221, rising edge inclined plane; 204222, lower raised edge bumps; 2043. a hemming roller set; 20431. folding upper stick; 204311, lower right-angle flanging groove; 204312, lower right angle hemming tab; 20432. folding lower stick; 204321, a lower right-angle flanging top block; 204322, upper right-angle flanging convex blocks; 2044. oblique angle bending rod group; 20441. bevel upper stick; 204411, upper diagonal grooves; 20442. a bevel lower stick; 204421, lower diagonal grooves; 2045. bending the rod group; 20451. bending the upper stick; 20452. bending the lower stick; 204521, bending inclined surfaces; 2046. embossing roller set; 20461. embossing the upper stick; 204611, embossing grooves; 20462. embossing the lower stick; 204621, embossed ribs; 205. folding the cold-rolled parts; 206. a second transmission member; 2061. lifting the bearing pedestal; 2062. lifting and adjusting the base; 2063. lifting and lowering the adjusting bolt; 2064. a lower transmission shaft; 3. a correction component; 4. a cutting assembly; 5. and (3) a steel plate.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

As shown in fig. 1 to 9, a multi-roll embossing and hemming device is provided with a base 1, an embossing and hemming assembly 2 is arranged on the base 1, the embossing and hemming assembly 2 comprises an embossing rod set 2041, a side lifting rod set 2042, a hemming rod set 2043, an oblique angle bending rod set 2044, a bending rod set 2045 and an embossing rod set 2046 which are sequentially arranged, the side lifting rod set 2042, the hemming rod set 2043 and the oblique angle bending rod set 2044 mainly bend the edges of two sides of a steel plate 5, small edges folded by the three rod sets are buckled after bending and forming the square pipe, the rigidity of the square pipe is increased, a welding procedure of gaps existing after bending the square pipe is avoided, cold working of the whole square pipe is realized, deformation of the square pipe is avoided when welding is avoided, square pipe processing and forming are more accurate, square pipe forming is performed by bending and embossing the steel plate 5, the square pipe forming is enabled to be enabled to have increased rigidity, the thin steel plate 5 is enabled to be higher than the range of bending and the durability of the thin-walled square pipe after bending and the thin-walled square pipe is formed.

The embossing flanging assembly 2 comprises a base 201, the base 201 is a rectangular square groove, a plurality of first transmission parts 203 are arranged and rotatably connected on the lower side of the base 201, a plurality of second transmission parts 206 are movably inserted on the upper side of the base 201, the second transmission parts 206 are located right above the first transmission parts 203, the first transmission parts 203 are connected with a power part 202, the power part 202 comprises a motor 2021, the motor 2021 is connected with a first sprocket 2022, the first sprocket 2022 is connected with a chain 2023, the chain 2023 is connected with a second sprocket 2024, and the second sprocket 2024 is connected with the first transmission parts 203. The first transmission part 203 comprises an upper transmission shaft 2031, two ends of the upper transmission shaft 2031 are rotatably connected with a driving bearing seat 2032, one section of the upper transmission shaft 2031 is connected with a driving gear 2033, the driving gear 2033 is meshed with a transmission gear 2034, the driving gear 2033 of the first transmission part 203 is staggered with the transmission gear 2034, therefore, the power part 202 drives the first transmission part 203 to rotate, the second transmission part 206 comprises a lower transmission shaft 2064, two ends of the lower transmission shaft 2064 are rotatably connected with lifting bearing seats 2061, the lifting bearing seats 2061 are movably inserted with the base 201, the base 201 is connected with a lifting adjustment base 2062, the lifting adjustment base 2062 is in threaded connection with lifting adjustment bolts 2063, the lower ends of the lifting adjustment bolts 2063 are rotatably connected with the lifting bearing seats 2061, the second transmission part 206 is not powered by itself, and the second transmission part 206 is attached to the steel plate 5 through each upper rod group so as to be driven to rotate.

The first transmission members 203 are respectively connected to the upper sticks of each of the sets of sticks, and the second transmission members 206 are respectively connected to the lower sticks of each of the sets of sticks, and the second transmission members 206 are adjustable up and down, so that the gap between the upper and lower sticks of each of the sets of sticks can be adjusted to adjust the pressure of each of the sets of sticks to the steel plate 5.

The embossing roll set 2041 comprises an embossing upper roll 20411 and an embossing lower roll 20412, the embossing upper roll 20411 is connected with the second transmission component 206, the embossing lower roll 20412 is connected with the first transmission component 203, the embossing upper roll 20411 is provided with a plurality of grooves 204111, the embossing lower roll 20412 is provided with a plurality of raised strips 204121, two ends of the embossing lower roll 20412 are further provided with bending protrusions 204122, the embossing upper roll 20411 is positioned in the bending protrusions 204122 at two ends of the embossing lower roll 20412, the plurality of raised strips 204121 correspond to the plurality of grooves 204111, and therefore, when the steel plate 5 passes, the steel plate 5 is pressed and embossed, and as the embossing upper roll 20411 is inserted into the bending protrusions 204122 at two ends of the embossing lower roll 20412, two sides of the steel plate 5 are bent into short right-angle sides to form the shape of the steel plate 5 as shown in fig. 4.

The set of lifting rollers 2042 comprises a lifting roller 20421 and a lifting lower roller 20422, the lifting roller 20421 is connected with the second transmission component 206, the lifting lower roller 20422 is connected with the first transmission component 203, a lower lifting inclined surface groove 204211 is arranged at one end of the lifting roller 20421, a lower lifting lug 204222 is arranged at the position, opposite to the lower lifting inclined surface groove 204211, of the lifting lower roller 20422, after the steel plate 5 passes, the right-angle edge formed by the embossing roller set 2041 is pressed into a downward and outward inclined edge, an upper lifting inclined surface 204221 is arranged at one end, far away from the lower lifting lug 204222, of the lifting lower roller 20422, after the steel plate 5 passes, the right-angle edge formed by the embossing roller set 2041 is pressed into an upward and outward inclined edge, the lifting roller 20421 is also provided with a corresponding groove, the corresponding raised edge is avoided from being formed on the steel plate 5, the shape of the steel plate 5 is prevented from being flattened again after the steel plate 5 passes, and the shape of the steel plate 5 is formed as shown in fig. 5.

The hemming roller set 2043 comprises a hemming roller 20431 and a hemming lower roller 20432, the hemming roller 20431 is connected with the second transmission component 206, the hemming lower roller 20432 is connected with the first transmission component 203, one end of the hemming upper roller 20431 is provided with a lower right-angle hemming groove 204311 and a lower right-angle hemming bump 204312, the position of the hemming lower roller 20432, which is opposite to the lower right-angle hemming groove 204311, is provided with a lower right-angle hemming top block 204321, one end of the hemming lower roller 20432, which is far away from the lower right-angle hemming top block 204321, is provided with an upper right-angle hemming bump 204322, after the steel plate 5 passes, the hypotenuse edges of the two ends are pressed into right-angle edges, and the lower right-angle hemming bump 204312 on the hemming roller 20431 is extended downwards relative to the steel plate 5, and the one end of the steel plate 5 is formed into a lower hem edge at the position of the hemming roller set 2043 after the upper roller 20431 and the hemming lower roller 20432 are pressed, the other end of the steel plate 5 is folded downwards into a 90 degrees, the upper right-angle hemming bump 204322 of the lower roller 20432 is protruded upwards relative to the steel plate 5, and the upper hem boss 204322 of the upper right-angle hemming roller 20432 is folded upwards, and the upper hem bar 20431 is folded upwards, the upper hem bar is folded upwards, and the upper hem bar is folded, and the shape of the upper hem bar is opposite to the upper hem bar is folded, and the upper hem bar is opposite to the upper hem bar, and the hem bar is folded.

The bevel bending rod set 2044 comprises a bevel upper rod 20441 and a bevel lower rod 20442, the bevel upper rod 20441 is connected with the second transmission component 206, the bevel lower rod 20442 is connected with the first transmission component 203, an upper bevel groove 204411 is formed at one end of the bevel upper rod 20441, and a lower bevel groove 204421 is formed at one end of the bevel lower rod 20442. The upper diagonal groove 204411 and the lower diagonal groove 204421 are respectively located at two ends of the steel plate 5, because the two ends of the steel plate 5 are respectively bent downwards and downwards by 90 degrees after passing through the flanging rod set 2043, when passing through the bevel bending rod set 2044, the bending part is just inserted into the upper diagonal groove 204411 and the lower diagonal groove 204421, therefore, after passing through the bevel bending rod set 2044, the two ends of the steel plate 5 respectively form upward and downward diagonal flanging, as shown in fig. 7, the two diagonal flanging formed at the moment are used for buckling when the subsequent square tube is closed, the buckling mode can avoid the closing gap of the square tube, so that the welding process is reduced, cold working of the square tube can be realized, the square tube is prevented from being deformed by heating in the production process, the bevel upper rod 20441 is also provided with corresponding grooves, the bevel lower rod 20442 is provided with corresponding convex strips, the embossing formed on the steel plate 5 is avoided, and the embossing is prevented from being flattened again.

The bending rod set 2045 comprises an upper bending rod 20451 and a lower bending rod 20452, the upper bending rod 20451 is connected with the second transmission component 206, the lower bending rod 20452 is connected with the first transmission component 203, the two ends of the lower bending rod 20452 are provided with bending inclined planes 204521, the length of the upper bending rod 20451 is just equal to that of the middle section of the lower bending rod 20452, the two middle ends of the lower bending rod 20452 are respectively connected with two bending inclined planes 204521, therefore, after the steel plate 5 passes through the bending rod set 2045, the two ends of the steel plate 5 are pressed to form upwards bent inclined edges, as shown in fig. 8, bending of the buckling surface on the square pipe is completed at the moment, the corresponding grooves are also formed in the upper bending rod 20451, the corresponding protruding strips are formed in the lower bending rod 20452, the embossing formed on the steel plate 5 is avoided, and the embossing is prevented from being re-flattened.

The embossing roll set 2046 includes an embossing upper roll 20461 and an embossing lower roll 20462, the embossing upper roll 20461 is connected with the second transmission component 206, the embossing lower roll 20462 is connected with the first transmission component 203, the embossing upper roll 20461 is provided with a plurality of embossing grooves 204611, the embossing lower roll 20462 is provided with a plurality of embossing convex strips 204621, the embossing of two sides of the square tube is added here, the rigidity of the square tube is increased, the square tube after passing through the embossing roll set 2046 is as shown in fig. 9, the embossing upper roll 20461 is also provided with corresponding grooves, the embossing lower roll 20462 is provided with corresponding convex strips, the embossing formed on the steel plate 5 is avoided, and the re-flattening of the embossing is avoided.

The rear end of the embossing hemming component 204 is connected with a folding cold rolling component 205, the folding cold rolling component 205 is used for buckling the oblique hemming after the oblique angle bending roller group 2044 is folded, the square pipe is further folded, the square pipe after the folding cold rolling component 205 is basically formed, the other end of the folding cold rolling component 205 is connected with a correcting component 3, the correcting component 3 is used for correcting the square pipe, the deformed square pipe in the production process is corrected, the square pipe is standard square at the interface of any section, the other end of the correcting component 3 is connected with a cutting component 4, and the cutting component 4 can further cut the square pipe so as to achieve the length required by use.

Finally, it should be noted that: although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a multi-roller type knurling hem device, has base (1), its characterized in that is provided with knurling hem subassembly (2) on base (1), knurling hem subassembly (2) are including knurling rod group (2041), play limit rod group (2042), hem rod group (2043), oblique angle bending rod group (2044), bending rod group (2045) and knurling rod group (2046) that arrange in proper order.

2. A multi-roller embossing and hemming device according to claim 1 wherein the embossing and hemming assembly (2) comprises a base (201), the base (201) is rotatably connected with a plurality of first transmission members (203), the base (201) is movably inserted with a plurality of second transmission members (206), the second transmission members (206) are located right above the first transmission members (203), and the first transmission members (203) are connected with the power members (202).

3. The multi-roller embossing and hemming device according to claim 2, wherein the embossing roller set (2041) includes an embossing upper roller (20411) and an embossing lower roller (20412), the embossing upper roller (20411) is connected with the second transmission component (206), the embossing lower roller (20412) is connected with the first transmission component (203), the embossing upper roller (20411) is provided with a plurality of grooves (204111), the embossing lower roller (20412) is provided with a plurality of raised strips (204121), two ends of the embossing lower roller (20412) are further provided with bending protrusions (204122), and the embossing upper roller (20411) is located in the bending protrusions (204122) at two ends of the embossing lower roller (20412).

4. A multi-roll embossing hemming device according to claim 3 wherein the set of hemming rollers (2042) comprises a hemming roller (20421) and a hemming lower roller (20422), the hemming roller (20421) is connected with the second transmission member (206), the hemming lower roller (20422) is connected with the first transmission member (203), a lower hemming inclined surface groove (204211) is provided at one end of the hemming roller (20421), a lower hemming lug (204222) is provided at a position of the hemming lower roller (20422) facing the lower hemming inclined surface groove (204211), and an upper hemming inclined surface (204221) is provided at one end of the hemming lower roller (20422) away from the lower hemming lug (204222);

The folding roller set (2043) comprises an upper folding roller (20431) and a lower folding roller (20432), the upper folding roller (20431) is connected with a second transmission component (206), the lower folding roller (20432) is connected with a first transmission component (203), one end of the upper folding roller (20431) is provided with a lower right-angle folding groove (204311) and a lower right-angle folding convex block (204312), a lower right-angle folding top block (204321) is arranged at the position, opposite to the lower right-angle folding groove (204311), of the lower folding roller (20432), and one end, far away from the lower right-angle folding top block (204321), of the lower folding roller (20432) is provided with an upper right-angle folding convex block (204322).

5. The multi-roll embossing hemming device of claim 4 wherein the bevel bending roller set (2044) includes a bevel upper roller (20441) and a bevel lower roller (20442), the bevel upper roller (20441) is connected to the second transmission member (206), the bevel lower roller (20442) is connected to the first transmission member (203), an upper bevel groove (204411) is provided at one end of the bevel upper roller (20441), and a lower bevel groove (204421) is provided at one end of the bevel lower roller (20442).

6. A multi-roll embossing hemming device according to any of claims 2 to 5 wherein the bending bar set (2045) comprises an upper bending bar (20451) and a lower bending bar (20452), the upper bending bar (20451) is connected to the second transmission member (206), the lower bending bar (20452) is connected to the first transmission member (203), and the two ends of the lower bending bar (20452) are provided with bending inclined surfaces (204521).

7. A multi-roll embossing hemming device according to claim 6 wherein the embossing roller set (2046) comprises an embossing upper roller (20461) and an embossing lower roller (20462), the embossing upper roller (20461) being connected to the second transmission member (206), the embossing lower roller (20462) being connected to the first transmission member (203), the embossing upper roller (20461) being provided with embossing grooves (204611), the embossing lower roller (20462) being provided with embossing ribs (204621).

8. A multiple roller embossing hemming device according to claim 6 wherein the power member (202) includes a motor (2021), the motor (2021) is connected to a first sprocket (2022), the first sprocket (2022) is connected to a chain (2023), the chain (2023) is connected to a second sprocket (2024), and the second sprocket (2024) is connected to the first power member (203).

9. The multi-roll embossing and hemming device according to claim 8 wherein the first transmission member (203) includes an upper transmission shaft (2031), two ends of the upper transmission shaft (2031) are rotatably connected to a driving bearing (2032), a section of the upper transmission shaft (2031) is connected to a driving gear (2033), and the driving gear (2033) is meshed with a transmission gear (2034).

10. The multi-roller embossing and hemming device according to claim 9 wherein the second transmission member (206) includes a lower transmission shaft (2064), lifting bearing seats (2061) are rotatably connected to two ends of the lower transmission shaft (2064), the lifting bearing seats (2061) are movably inserted into the base (201), the base (201) is connected with a lifting adjusting base (2062), the lifting adjusting base (2062) is in threaded connection with a lifting adjusting bolt (2063), and the lower ends of the lifting adjusting bolts (2063) are rotatably connected with the lifting bearing seats (2061).