CN210730624U

CN210730624U - Simple signboard arc folding device

Info

Publication number: CN210730624U
Application number: CN201921801399.8U
Authority: CN
Inventors: 郭须根
Original assignee: Hebei Jinhe Electric Power Equipment Co ltd
Current assignee: Hebei Jinhe Electric Power Equipment Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-12
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to a simple and easy signboard rolls over arc device belongs to signboard processing equipment, comprising a base plate, the mechanism of bending, driving motor, the mechanism of bending includes two installation risers, the lower roller, go up the commentaries on classics roller, the commentaries on classics roller of bending, two rotate respectively and connect the installation piece at the commentaries on classics roller both ends of bending, two fixed diaphragms, horizontal adjustment subassembly, two fixed risers, height adjusting element, driving motor drives down the commentaries on classics roller and rotates, go up commentaries on classics roller and lower roller linkage, it is provided with the second linkage subassembly to go up commentaries on classics roller and lower between the roller, the second linkage subassembly is including setting firmly the first linkage sprocket at last commentaries on classics roller, set firmly the second linkage sprocket at the commentaries on classics roller of bending, the mounting panel, rotate the linkage pulley of connection on classics on the mounting panel, the second. This simple and easy signboard rolls over arc device can change the roller to bending and adjust, and can process the arc signboard of multiple radian, has improved its practicality.

Description

Simple signboard arc folding device

Technical Field

The utility model relates to a signboard processing equipment, in particular to simple and easy signboard book arc device.

Background

The signboard plays the effect of sign, warning, in daily life, we often see flat plate signboard, also can see arc signboard. In the process of processing the arc signboard, the straight plate is bent into the arc plate by using the arc bending device, and the arc signboard is formed. The arc bending device in the prior art generally comprises a support, the support is connected with the upper rotating roller in a rotating manner, the lower rotating roller, the arc bending rotating roller, a driving motor, the upper rotating roller, the lower rotating roller, the arc bending rotating roller is arranged along the horizontal direction, the driving motor drives the lower rotating roller to rotate, the upper rotating roller and the lower rotating roller are connected through gears respectively, the upper rotating roller and the bending rotating roller are connected through the gears respectively, and the distance between the upper rotating roller and the bending rotating roller can not be adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple and easy signboard rolls over arc device through mutually supporting of second linkage subassembly, horizontal adjustment subassembly, altitude mixture control subassembly, can adjust the roller of changeing of bending to realize the regulation of changeing the roller and the distance between the roller of turning, and can process the arc signboard of multiple radian, improved its practicality.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a simple signboard arc bending device comprises a bottom plate, a support arranged on the bottom plate, a bending mechanism arranged on the bottom plate, a driving motor for enabling the bending mechanism to operate, a feeding mechanism arranged below the bottom plate, and a discharging mechanism arranged above the bending mechanism, wherein the bending mechanism comprises two mounting vertical plates fixedly arranged on the bottom plate, a lower rotating roller rotatably connected between the two mounting vertical plates, an upper rotating roller rotatably connected between the two mounting vertical plates, a bending rotating roller arranged on one side of the lower rotating roller, two mounting blocks rotatably connected to the two ends of the bending rotating roller respectively, two fixed transverse plates respectively arranged above the two mounting blocks, and two fixed vertical plates respectively arranged on one side of the two mounting blocks, the driving motor drives the lower rotating roller to rotate, the upper rotating roller is linked with the lower rotating roller, and a second linkage component is arranged between the upper rotating roller and the bending rotating roller, be provided with horizontal adjusting part between fixed diaphragm and the installation piece, be provided with high adjusting part between fixed riser and the installation piece, second linkage subassembly is including setting firmly the first linkage sprocket of last roller one end, setting firmly the second linkage sprocket of roller one end of bending, setting up mounting panel, the rotation connection on the mounting panel of first linkage sprocket below, apply the extension spring who keeps away from first linkage sprocket effort to the mounting panel, be provided with the second chain rather than the looks adaptation between first linkage sprocket, second linkage sprocket, the linkage pulley, first linkage sprocket, second linkage sprocket, linkage pulley realize the linkage through the second chain.

Through adopting above-mentioned technical scheme, horizontal adjustment subassembly can drive to bend and change the roller and remove along the horizontal direction, height adjustment subassembly can drive to bend and change the roller and remove along the direction of height, bend and change the roller and realize the linkage through second linkage subassembly between the roller, when bending changes the roller and remove, extension spring is in tensile state all the time, and make the linkage pulley have the trend of keeping away from first linkage sprocket direction, thereby make the second chain be in the tensioning state, realize bending and change the roller and go up the linkage between the roller, therefore, this arc bending device can change the roller to bending, and realize going up the roller and bending and change the regulation of distance between the roller, and can process the arc signboard of multiple radian, the practicality has been improved.

The utility model discloses further set up to: the mounting panel below is provided with the dead lever that sets firmly on the pillar, extension spring sets firmly between dead lever and mounting panel.

Through adopting above-mentioned technical scheme, extension spring is located the below of mounting panel to exert the effort of keeping away from first linkage sprocket to the mounting panel, and make the second chain be in same vertical plane, thereby make the rotation of second chain more stable, make the use of second linkage subassembly more stable.

The utility model discloses further set up to: the mounting panel is the U-shaped setting, the linkage pulley rotates to be connected between two lateral walls of mounting panel.

Through adopting above-mentioned technical scheme, the linkage pulley is located between two lateral walls of mounting panel, compares the one end of linkage pulley and mounting panel rotation connection, has increased the area of contact between linkage pulley and the mounting panel to linkage pulley pivoted stability has been increased.

The utility model discloses further set up to: the horizontal adjusting assembly comprises a first screw rod fixedly arranged on the mounting block along the height direction and the bottom end, and two first nuts in threaded connection with the first screw rod, wherein the top end of the first screw rod penetrates through the fixed transverse plate, and the fixed transverse plate is provided with a first through groove along the axial direction of the vertical bending roller.

Through adopting above-mentioned technical scheme, when horizontal adjustment subassembly is in the user state, two first nuts and first screw rod threaded connection, fixed diaphragm is located between two first nuts and rather than inconsistent, because first screw rod can slide in first logical groove, first screw rod drives through the installation piece and bends and changes the roller and remove to the realization is bent and is changeed the roller in the regulation of horizontal direction, makes horizontal adjustment subassembly's processing, use more convenient, more stable.

The utility model discloses further set up to: the height adjusting assembly comprises a second screw rod, two second nuts and a second screw rod threaded connection, wherein the second screw rod is arranged on the installation block along the axis direction of the vertical bending rotating roller, the two second nuts are connected with the second screw rod in a threaded mode, the second screw rod is arranged along the horizontal direction, one end, far away from the installation block, of the second screw rod penetrates through the fixed vertical plate, and the second through groove is formed in the fixed vertical plate along the height direction.

Through adopting above-mentioned technical scheme, when the altitude mixture control subassembly is in the user state, two second nuts and second screw rod threaded connection, fixed riser is located between two second nuts and rather than inconsistent, because the second screw rod can slide in the second through-groove, the second screw rod drives the commentaries on classics roller of bending through the installation piece and removes to the realization is bent and is changeed the roller in direction of height's regulation, makes the processing, the use of altitude mixture control subassembly more convenient, more stable.

The utility model discloses further set up to: the feeding mechanism comprises a feeding bottom plate, two feeding side baffles fixedly arranged at two ends of the feeding bottom plate, and a feeding front baffle fixedly arranged at the feeding bottom plate and close to one end of a lower rotating roller, wherein one end of the feeding bottom plate, far away from the lower rotating roller, is a feeding end, the other end of the feeding bottom plate is a discharging end, and the feeding bottom plate is arranged in a mode of inclining downwards along the conveying direction.

Through adopting above-mentioned technical scheme, feed mechanism sets up in the below of the mechanism of bending, and the operating personnel of being convenient for gets straight board and bends, and the feeding bottom plate sets up along the direction of delivery downward sloping, the removal of the straight board of being convenient for.

The utility model discloses further set up to: discharge mechanism includes ejection of compact bottom plate, two the ejection of compact side shield that sets firmly at ejection of compact bottom plate both ends, sets firmly the ejection of compact backplate of changeing roller one end under keeping away from at ejection of compact bottom plate, ejection of compact bottom plate is close to lower roller one end and is the feed end, the other end is the discharge end, ejection of compact bottom plate sets up along direction of delivery downward sloping.

Through adopting above-mentioned technical scheme, discharge mechanism sets up in the top of the mechanism of bending, and the operating personnel of being convenient for places the bent plate on ejection of compact bottom plate to accomplish the transport, ejection of compact bottom plate sets up along the direction of delivery downward sloping, the removal of the bent plate of being convenient for.

The utility model discloses further set up to: the upper rotating roller and the lower rotating roller are linked through a gear.

Through adopting above-mentioned technical scheme, compare and adopt the belt linkage, adopt the gear linkage, improved the stability of upper rotating roller and lower rotating roller linkage, compare and adopt the chain linkage, reduced space area, improve space utilization.

The utility model discloses further set up to: the lower rotating roller is linked with the driving motor through a chain.

Through adopting above-mentioned technical scheme, compare and adopt the belt linkage, adopt the chain linkage, improved the stability of lower commentaries on classics roller and driving motor linkage, compare and adopt the gear linkage, can select the chain of different specifications according to the distance between lower commentaries on classics roller and the driving motor.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a simple and easy signboard rolls over arc device through mutually supporting of second linkage subassembly, horizontal adjustment subassembly, altitude mixture control subassembly, can adjust the roller of changeing of bending to realize the regulation of the roller of changeing and the distance of changeing of bending between the roller, and can process the arc signboard of multiple radian, improved its practicality.

2. Feed mechanism is located the below of the mechanism of bending, discharge mechanism is located the top of the mechanism of bending, operating personnel takes out straight board back from feed mechanism, configuration becomes the bent plate through bending machine, then place the bent plate on discharge mechanism, make operating personnel's hand can accomplish the operation between two installation risers, compare with feed mechanism, discharge mechanism setting in the both sides of two installation risers, do not need operating personnel's hand in the middle of two installation risers, both sides remove, the security improves.

3. Set up the linkage pulley in the below of first linkage sprocket, second linkage sprocket, the linkage pulley has the trend to keeping away from first linkage sprocket under extension spring's effect to make the second sprocket be in the tensioning state, realized going up the linkage of rotation roller and bending and changeing the roller, not only be convenient for control, stable in utilization moreover.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic diagram illustrating a second linkage assembly;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a bottom plate; 11. a pillar; 2. a bending mechanism; 21. installing a vertical plate; 22. an upper rotating roller; 221. an upper gear; 23. a lower rotating roller; 231. a lower gear; 24. bending and rotating the roller; 241. mounting blocks; 25. fixing the transverse plate; 251. a first through groove; 26. a level adjustment assembly; 261. a first screw; 262. a first nut; 27. fixing a vertical plate; 271. a second through groove; 28. a height adjustment assembly; 281. a second screw; 282. between the second nuts; 29. a second linkage assembly; 291. a first linkage sprocket; 292. a second linkage sprocket; 293. mounting a plate; 294. a linkage pulley; 295. a second chain; 296. fixing the rod; 297. an extension spring; 3. a drive motor; 31. a first linkage assembly; 311. a lower sprocket; 312. a sprocket is arranged; 313. a first chain; 4. a feeding mechanism; 41. a feed floor; 42. a feeding fixing rod; 43. a feed side baffle; 44. a feed front baffle; 5. a discharging mechanism; 51. a discharge bottom plate; 52. a discharging fixed rod; 53. a support bar; 54. a discharge side baffle; 55. and a material discharging rear baffle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A simple signboard arc folding device is shown in figures 1 and 2 and comprises a bottom plate 1, wherein the bottom plate 1 is arranged in a square ring shape, and supporting columns 11 are fixedly arranged at four end corners of the bottom surface of the bottom plate 1 respectively. The bending mechanism 2 for bending the straight plate into the bent plate is arranged on the bottom plate 1, the driving motor 3 for enabling the bending mechanism 2 to operate is arranged below the bottom plate 1, the feeding mechanism 4 for conveying the straight plate is further arranged below the bottom plate 1, the feeding mechanism 4 is located above the driving motor 3, and the discharging mechanism 5 for conveying the bent plate is arranged above the bending mechanism 2.

As shown in fig. 1 and 2, the bending mechanism 2 includes two mounting vertical plates 21 which are parallel and fixed on the top surface of the base plate 1, an upper rotating roller 22 and a lower rotating roller 23 which are parallel to each other are rotatably connected between the two mounting vertical plates 21, the upper rotating roller 22 is located above the lower rotating roller 23, and a gap is formed between the upper rotating roller 22 and the lower rotating roller 23. An upper gear 221 is fixedly arranged on the peripheral surface of one end of the upper rotating roller 22, a lower gear 231 is fixedly arranged on the peripheral surface of one end of the lower rotating roller 23, and the lower gear 231 and the upper gear 221 are meshed with each other. A first linkage assembly 31 is arranged between the lower roller 23 and the driving motor 3. And a bending roller 24 parallel to the lower roller 23 is arranged on one side of the lower roller 23, the bending roller 24 is parallel to the lower roller 23, and gaps are respectively formed among the bending roller 24, the lower roller 23 and the upper roller 22. As shown in fig. 3, two mounting blocks 241 are rotatably connected to both ends of the bending roller 24, that is, the number of the mounting blocks 241 is two. And a fixing transverse plate 25 is arranged above the two mounting blocks 241, the fixing transverse plate 25 is fixedly arranged on the mounting vertical plate 21, and a horizontal adjusting component 26 is arranged between the fixing transverse plate 25 and the mounting blocks 241. One side of each of the two installation blocks 241, which is far away from the installation vertical plate 21, is provided with a fixed vertical plate 27, the fixed vertical plates 27 are fixedly arranged on the bottom plate 1, and a height adjusting assembly 28 is arranged between each of the fixed vertical plates 27 and the installation block 241. A second linkage assembly 29 is provided between one end of the bending roller 24 and one end of the upper rotating roller 22.

As shown in fig. 1, the first linkage assembly 31 includes a lower sprocket 311 fixed on the output shaft of the driving motor 3, an upper sprocket 312 fixed on the outer peripheral surface of one end of the lower roller 23, a first chain 313 matched with the upper sprocket 312 and the lower sprocket 311 is arranged between the upper sprocket 312 and the lower sprocket 311, and the first chain 313 is sleeved on the upper sprocket 312 and the lower sprocket 311 and forms a kidney shape.

As shown in fig. 2 and fig. 3, the horizontal adjustment assembly 26 includes a first screw 261 along the height direction, the bottom end of the first screw 261 is fixedly disposed on the mounting block 241, the top end of the first screw 261 penetrates through the fixing transverse plate 25, and the fixing transverse plate 25 is provided with a first through groove 251 adapted to the first screw 261 along the axial direction of the vertical bending roller 24. Two first nuts 262 are connected to the outer peripheral surface of the first screw 261 in a threaded manner, and the fixed transverse plate 25 is located between the two first nuts 262.

As shown in fig. 2 and 3, the height adjusting assembly 28 includes a second screw 281 along the axial direction of the vertical bending roller 24, the second screw 281 is disposed along the horizontal direction, one end of the second screw 281 is fixedly disposed on the mounting block 241, one end of the second screw 281, which is far away from the mounting block 241, penetrates through the fixed riser 27, and the fixed riser 27 is provided with a second through groove 271 adapted to the second screw 281 along the height direction. Two second nuts are screwed to the outer peripheral surface of the second screw 281, and the fixed riser 27 is located between the two second nuts 282.

As shown in fig. 2 and 3, the second linkage assembly 29 includes a first linkage sprocket 291 fixedly disposed at one end of the upper roller 22, a second linkage sprocket 292 fixedly disposed on an outer circumferential surface of one end of the bending roller 24, a U-shaped mounting plate 293 disposed below the first linkage sprocket 291, a linkage pulley 294 rotatably connected between two side walls of the mounting plate 293, a second chain 295 adapted to the first linkage sprocket 291, the second linkage sprocket 292, and the linkage pulley 294, and the second chain 295 realizes linkage of the first linkage sprocket 291, the second linkage sprocket 292, and the linkage pulley 294. A fixing lever 296 is provided below the mounting plate 293, and the fixing lever 296 is fixed to the support post 11. An extension spring 297 is fixedly arranged between the fixing rod 296 and the mounting plate 293.

As shown in fig. 1 and 2, the feeding mechanism 4 includes a feeding base plate 41, the conveying direction of the feeding base plate 41 is perpendicular to the axial direction of the lower rotating roller 23, one end of the feeding base plate 41 away from the lower rotating roller 23 is set as a feeding end, the other end is set as a discharging end, and the feeding base plate 41 is inclined downward along the conveying direction. Two feeding fixing rods 42 are fixedly arranged on the bottom surface of the feeding bottom plate 41, and the two feeding fixing rods 42 are respectively and fixedly arranged on the supporting column 11. Two ends of the feeding bottom plate 41 vertical to the conveying direction are respectively and vertically and fixedly provided with a feeding side baffle 43 upwards. One end of the feeding bottom plate 41 close to the lower roller 23 is vertically and fixedly provided with a feeding front baffle 44, and the top surface of the feeding front baffle 44 is lower than that of the feeding side baffle 43.

As shown in fig. 1 and fig. 2, the discharging mechanism 5 includes a discharging bottom plate 51, the conveying direction of the discharging bottom plate 51 is perpendicular to the axial direction of the lower rotating roller 23, one end of the discharging bottom plate 51 close to the lower rotating roller 23 is set as a feeding end, the other end is set as a discharging end, and the discharging bottom plate 51 is inclined downwards along the conveying direction. Two discharging fixing rods 52 are fixedly arranged on the bottom surface of the discharging bottom plate 51, two supporting rods 53 are respectively and fixedly arranged on the two discharging fixing rods 52, and the bottom ends of the supporting rods 53 are fixedly arranged on the bottom plate 1. Two ends of the discharging bottom plate 51 perpendicular to the conveying direction are respectively and vertically and fixedly provided with a discharging side baffle 54 upwards. One end of the discharging bottom plate 51 far away from the lower roller 23 is vertically and fixedly provided with a discharging rear baffle 55, and the top surface of the discharging rear baffle 55 is lower than that of the discharging side baffle 54.

When the signboard is processed, the straight plate is taken off from the surface of the feeding bottom plate 41, then the straight plate enters between the upper rotating roller 22 and the lower rotating roller 23, the straight plate is bent upwards under the action of the bending rotating roller 24 to form a bent plate, then the bent plate is taken off from the bending mechanism 2 and put on the discharging bottom plate 51, and the bending of the straight plate is completed.

When the bending radian of the straight plate needs to be changed, the distance between the bending rotary roller 24 and the upper rotary roller 22 is adjusted through the horizontal adjusting assembly 26, the height of the bending rotary roller 24 is adjusted through the height adjusting assembly 28, when the bending rotary roller 24 moves, the stretching spring 297 is always in a stretching state, and the linkage pulley 294 has a tendency of being far away from the direction of the first linkage sprocket 291, so that the second chain 295 is in a tensioning state, and linkage between the bending rotary roller 24 and the upper rotary roller 22 is realized, therefore, the bending rotary roller 24 can be adjusted through mutual matching of the second linkage assembly 29, the horizontal adjusting assembly 26 and the height adjusting assembly 28, the adjustment of the distance between the upper rotary roller 22 and the bending rotary roller 24 is realized, arc identification plates with various radians can be processed, and the practicability is improved.

And feed mechanism 4 is located the below of the mechanism 2 of bending, discharge mechanism 5 is located the top of the mechanism 2 of bending, operating personnel takes out the straight board back from feed mechanism 4, through the mechanism 2 formation bent plate of bending, then place the bent plate on discharge mechanism 5, make operating personnel's hand can accomplish the operation between two installation risers 21, compare with feed mechanism 4, discharge mechanism 5 sets up in the both sides of two installation risers 21, do not need operating personnel's hand in the middle of two installation risers 21, both sides remove, the security is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a simple and easy signboard rolls over arc device which characterized in that: comprises a bottom plate (1), a support column (11) arranged on the bottom plate (1), a bending mechanism (2) arranged on the bottom plate (1), a driving motor (3) used for enabling the bending mechanism (2) to operate, a feeding mechanism (4) arranged below the bottom plate (1), and a discharging mechanism (5) arranged above the bending mechanism (2), wherein the bending mechanism (2) comprises two installation vertical plates (21) fixedly arranged on the bottom plate (1), a lower rotating roller (23) rotatably connected between the two installation vertical plates (21), an upper rotating roller (22) rotatably connected between the two installation vertical plates (21), a bending rotating roller (24) arranged on one side of the lower rotating roller (23), two installation blocks (241) respectively rotatably connected at two ends of the bending rotating roller (24), two fixed transverse plates (25) respectively arranged above the two installation blocks (241), and two fixed vertical plates (27) respectively arranged on one side of the two installation blocks (241), the roller (23) rotates under the drive of the drive motor (3), the roller (22) and the roller (23) rotate in a linked manner, a second linkage component (29) is arranged between the roller (22) and the bending roller (24), a horizontal adjusting component (26) is arranged between the fixed transverse plate (25) and the installation block (241), a height adjusting component (28) is arranged between the fixed vertical plate (27) and the installation block (241), the second linkage component (29) comprises a first linkage sprocket (291) fixedly arranged at one end of the upper roller (22), a second linkage sprocket (292) fixedly arranged at one end of the bending roller (24), an installation plate (293) arranged below the first linkage sprocket (291), a linkage pulley (294) rotatably connected to the installation plate (293), and a stretching spring (297) far away from the action force of the first linkage sprocket (291) is applied to the installation plate (293), and a second chain (295) matched with the first linkage sprocket (291), the second linkage sprocket (292) and the linkage pulley (294) are arranged among the first linkage sprocket (291), the second linkage sprocket (292) and the linkage pulley (294) to realize linkage through the second chain (295).

2. The simple signboard arc folding device according to claim 1, wherein: a fixing rod (296) fixedly arranged on the support column (11) is arranged below the mounting plate (293), and the extension spring (297) is fixedly arranged between the fixing rod (296) and the mounting plate (293).

3. The simple signboard arc folding device according to claim 2, wherein: the mounting plate (293) is arranged in a U shape, and the linkage pulley (294) is rotatably connected between two side walls of the mounting plate (293).

4. The simple signboard arc folding device according to claim 1, wherein: horizontal adjustment subassembly (26) include along direction of height and bottom set firmly first screw rod (261) on installation piece (241), two first nut (262) with first screw rod (261) threaded connection, fixed diaphragm (25) are run through to the top of first screw rod (261), first logical groove (251) have been seted up along the perpendicular roller (24) axis direction of bending to fixed diaphragm (25).

5. The simple signboard arc folding device according to claim 1, wherein: height adjusting element (28) include along perpendicular bend and change roller (24) axis direction and set firmly second screw rod (281) on installation piece (241), two and second screw rod (281) threaded connection's second nut, second screw rod (281) set up along the horizontal direction, the one end that installation piece (241) was kept away from in second screw rod (281) runs through fixed riser (27), fixed riser (27) have seted up second logical groove (271) along the direction of height.

6. The simple signboard arc folding device according to claim 1, wherein: feed mechanism (4) including feeding bottom plate (41), two feed side shield (43) that set firmly at feeding bottom plate (41) both ends, set firmly baffle (44) before feeding that feeding bottom plate (41) is close to down roller (23) one end, feeding bottom plate (41) keep away from down roller (23) one end be the feed end, the other end is the discharge end, feeding bottom plate (41) set up along the direction of delivery downward sloping.

7. The simple signboard arc folding device according to claim 6, wherein: discharge mechanism (5) including ejection of compact bottom plate (51), two set firmly ejection of compact side shield (54) at ejection of compact bottom plate (51) both ends, set firmly ejection of compact backplate (55) of keeping away from down roller (23) one end at ejection of compact bottom plate (51), ejection of compact bottom plate (51) are close to down roller (23) one end and are the feed end, the other end is the discharge end, ejection of compact bottom plate (51) set up along direction of delivery downward sloping.

8. The simple signboard arc folding device according to claim 1, wherein: the upper rotating roller (22) and the lower rotating roller (23) are linked through a gear.

9. The simple signboard arc folding device according to claim 1, wherein: the lower rotating roller (23) and the driving motor (3) are linked through a chain.