CN214359211U - Body paper unwinding device - Google Patents

Abstract

The application relates to the field of corrugated paper processing, in particular to a raw paper unwinding device, which comprises a pair of supporting blocks, wherein the supporting blocks are rotatably connected with a rotating shaft, the rotating shaft is fixedly sleeved with a cross rod, one end of the rotating shaft penetrates through the supporting blocks, and one end of the rotating shaft penetrating through the supporting blocks is connected with a rotating assembly for driving the rotating shaft to rotate; a pair of vertical side surfaces of the cross rod is respectively connected with a pair of bearing rods in a sliding manner, and a connecting assembly for fixing the bearing rods is arranged between the bearing rods and the cross rod; the carrying rod is rotatably connected with a butting rod, the two butting rods on the same side are coaxial, and a driving assembly for driving the carrying rod to move along the length direction of the cross rod is arranged between the carrying rod and the cross rod. This application has the effect that improves machining efficiency.

Description

Body paper unwinding device

Technical Field

The application relates to the field of corrugated paper processing, in particular to a raw paper unwinding device.

Background

At present, in the process of producing corrugated paper, raw paper is used as a raw material. The base paper is coiled and enters a production workshop, when the base paper is used, the base paper roll needs to be unreeled, and the unfolded base paper enters the subsequent processing procedure.

As shown in fig. 1, the conventional device for unwinding a base paper roll includes a pair of supporting seats 1, a cross bar 2 is fixedly connected between the pair of supporting seats 1, a fixing rod 21 is fixedly connected to a vertical side of the cross bar 2, the fixing rod 21 is rotatably connected to a first rotating rod 211, and the first rotating rod 211 can only rotate around an axis of the first rotating rod 211. One side of the cross bar 2 connected with the fixing rod 21 is slidably connected with a moving rod 22, one side of the moving rod 22 close to the cross bar 2 is fixedly connected with a pair of first connecting blocks 221, one of the first connecting blocks 221 is slidably connected with the upper surface of the cross bar 2, and the other first connecting block 221 is slidably connected with the lower surface of the cross bar 2.

The upper surface and the lower surface of the cross bar 2 are respectively provided with a sliding groove 23, and one sides of the two first connecting blocks 221 far away from the moving bar 22 are respectively fixedly connected with a second connecting block 222. The second connecting block 222 on the upper side is arranged in the sliding groove 23 on the upper side, the second connecting block 222 on the lower side is arranged in the sliding groove 23 on the lower side, and the second connecting block 222 is connected with the sliding groove 23 in a sliding manner.

As shown in fig. 1, the second rotating lever 223 is rotatably connected to the moving lever 22, and the second rotating lever 223 can only rotate around the axis of the second rotating lever 223. A pressing bolt 11 is connected with the supporting seat 1 close to one side of the moving rod 22 in a threaded mode, and the pressing bolt 11 is abutted to the moving rod 22.

The base paper roll is placed between the first rotating rod 211 and the second rotating rod 223, and the axes of the base paper roll, the first rotating rod 211 and the second rotating rod 223 are collinear. The pressing bolt 11 is tightened to press the movable rod 22 by the pressing bolt 11, and the first rotating rod 211 and the second rotating rod 223 are pressed and fixed to the base paper roll.

The original paper roll is opened, one end of the original paper is conveyed to the next processing procedure, the first rotating rod 211 and the second rotating rod 223 rotate along with continuous entering of the original paper into the next processing procedure, the original paper roll is always in a rotating unreeling state until the original paper roll is unreeled, and then a new original paper roll is replaced.

In the process of replacing the original paper roll, a worker needs to fix the original paper roll and then convey the original paper to the next processing procedure, and a longer time may be consumed in the process of fixing the original paper roll, and the time is that no original paper enters the next processing procedure, so that the working efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the work efficiency ratio is lower because it is long to change former scroll consumption time and cause, this application provides a body paper unwinding device.

The application provides a body paper unwinding device adopts following technical scheme:

a raw paper unwinding device comprises a pair of supporting blocks, wherein the supporting blocks are rotatably connected with a rotating shaft, the rotating shaft is fixedly sleeved with a cross rod, one end of the rotating shaft penetrates through the supporting blocks, and one end of the rotating shaft penetrating through the supporting blocks is connected with a rotating assembly driving the rotating shaft to rotate;

a pair of vertical side surfaces of the cross rod is respectively connected with a pair of bearing rods in a sliding manner, and a connecting assembly for fixing the bearing rods is arranged between the bearing rods and the cross rod;

the carrying rod is rotatably connected with a butting rod, the two butting rods on the same side are coaxial, and a driving assembly for driving the carrying rod to move along the length direction of the cross rod is arranged between the carrying rod and the cross rod.

Through adopting above-mentioned technical scheme, the axis of rotation is rotated with the supporting shoe and is connected, and the axis that the axis of rotation can only revolute the axis of rotation rotates, and coupling assembling will accept the pole and be connected with the horizontal pole. The original paper roll is placed between the two abutting rods positioned on the same side, the driving assembly drives the two bearing rods positioned on the same side to move towards one side close to the original paper roll, the two abutting rods enable the original paper roll to be abutted and fixed, the original paper roll is conveyed to a next processing area, and the original paper roll rotates to be unrolled. When the unwinding process of the original paper roll which is being unwound is found to be about to end, the worker places the next original paper roll to be unwound between the other pair of abutting rods for fixing. After the unreeling of the original paper roll which is unreeling is finished, the rotating assembly drives the rotating shaft to rotate, the rotating shaft drives the cross rod to rotate, the cross rod drives the bearing rod to rotate, the bearing rod drives the original paper roll to be unreeled to rotate to the position of the last supporting roll, then the original paper roll is uncoiled, and the original paper is input into the next processing procedure. The original paper roll to be unreeled is fixed in advance, after the last original paper roll is unreeled, the original paper roll fixed in advance can be immediately supplemented with raw materials, the idle time in the process of replacing and fixing the original paper roll is reduced, and the processing efficiency is improved.

Optionally, coupling assembling includes a pair of first connecting block of one side fixed connection that is close to the horizontal pole with the bolster, the horizontal pole is arranged in between a pair of first connecting block, one side fixedly connected with second connecting block of bolster is kept away from to first connecting block, horizontal pole upper surface and lower surface are equipped with a pair of spout respectively, second connecting block and spout sliding connection.

Through adopting above-mentioned technical scheme, in the spout was arranged in to the second connecting block, first connecting block and second connecting block will accept pole and horizontal pole and be connected, and the pole removal in-process is accepted, and the second connecting block slides in the spout.

Optionally, the rotating assembly comprises a first chain wheel fixedly connected with the rotating shaft, a first motor with a self-locking function is arranged on the lower side of the first chain wheel, a second chain wheel is fixedly connected with an output shaft of the first motor, and a chain is connected with the first chain wheel and the second chain wheel.

Through adopting above-mentioned technical scheme, the output shaft of first motor drives the second sprocket and rotates, and the second sprocket passes through the chain and drives first sprocket and rotate, and first sprocket drives the axis of rotation and rotates, and the drive process is more convenient, and when not needing the axis of rotation to rotate, first motor auto-lock. The transmission mode of the chain has the advantages of large transmission power and high transmission efficiency.

Optionally, the driving assembly includes a second motor, each receiving rod corresponds to the second motor and has a self-locking function, the second motor is fixedly connected to the cross rod, an output shaft of the second motor is fixedly connected to a first bevel gear, the receiving rods are in threaded connection with a lead screw, the lead screw is fixedly connected to a second bevel gear in meshed connection with the first bevel gear, a positioning plate is fixedly connected to the cross rod and corresponds to the lead screw, and the lead screw is rotatably connected to the positioning plate.

Through adopting above-mentioned technical scheme, the locating plate has the supporting role to the lead screw, and the lead screw can only rotate around the axis of lead screw, and the output shaft of second motor drives first bevel gear and rotates, and first bevel gear drives second bevel gear and rotates, and second bevel gear drives the lead screw and rotates, and the lead screw drives the length direction motion of adapting rod along the crossbeam. When the output shaft of the second motor rotates reversely, the bearing rod is driven to move reversely along the length direction of the cross rod. The process of driving the carrying rod to move is more convenient, and when the carrying rod does not need to move, the second motor is self-locked.

Optionally, each of the receiving rods is connected with a speed reducer for reducing the speed of the abutting rod.

Through adopting above-mentioned technical scheme, former scroll is unreeling the in-process, because pivoted inertia can lead to former scroll to unreel too much, too fast, decelerator is to the extension rod speed reduction, makes the extension rod have certain resistance at the rotation in-process, reduces former scroll because inertia rotates the number of turns and causes to unreel too fast, too much possibility, keeps former scroll in the tensioning state all the time, increases the stability that former scroll unreeled the in-process.

Optionally, the speed reducer comprises a speed reducing disc fixedly connected with the abutting rod, one side of the bearing rod close to the speed reducing disc is fixedly connected with a pair of connecting plates, a first connecting rod and a second connecting rod which are vertically arranged are fixedly connected between the pair of first connecting plates, the first connecting rod is fixedly connected with a first speed reducing rod, the second connecting rod is rotatably connected with a second speed reducing rod, a first deceleration block is abutted on one side of the deceleration disk close to the first deceleration rod, a first detachable component for fixing the first deceleration block is arranged between the first deceleration block and the first deceleration rod, a second deceleration block is abutted on one side of the deceleration disk close to the second deceleration rod, a second detachable component for fixing the second deceleration block is arranged between the second deceleration block and the second deceleration rod, the first speed reducing rod is in threaded connection with a threaded rod, and the threaded rod is abutted to the second speed reducing rod.

Through adopting above-mentioned technical scheme, first speed reduction piece and speed reduction dish butt decelerate the speed reduction dish, and then decelerate to the butt joint pole. The threaded rod is rotated, the threaded rod moves to one side close to the second deceleration rod, the second deceleration rod is supported tightly by the threaded rod, the second deceleration rod rotates around the axis of the second connecting rod, the second deceleration rod drives the second deceleration block to move to one side close to the speed reduction disc, the second deceleration block is abutted to the speed reduction disc, the rotation amount of the threaded rod can be controlled according to actual needs, and then the supporting degree between the second deceleration block and the speed reduction disc is controlled, the second deceleration block is abutted to the speed reduction disc, the speed reduction disc is decelerated, and then the speed reduction rod is decelerated. After the second speed reducing block is used for a period of time, the second speed reducing block can be abraded, and the speed reducing effect on the speed reducing disk is influenced. The threaded rod is rotated to further support the second speed reducing rod tightly, the second speed reducing rod drives the second speed reducing block to support the speed reducing disc tightly again, and the adjusting process is convenient.

Optionally, the first detachable component comprises a first fixing block fixedly connected with one side of the first speed reducing block close to the first speed reducing rod, and the first fixing block and the first speed reducing rod are fixed through a bolt.

Through adopting above-mentioned technical scheme, it is fixed with first fixed block to screw up bolt, nut, and the fixing process is more convenient. When the first speed reducing block is seriously worn, the bolt is unscrewed, a new first speed reducing block is replaced, and the first fixing block and the first speed reducing rod are fixedly connected through the bolt, so that the replacing process is more convenient.

Optionally, the second detachable component comprises a second fixing block fixedly connected with one side of the second deceleration block close to the second deceleration rod, and the second fixing block and the second deceleration rod are fixed through bolts.

Through adopting above-mentioned technical scheme, it is fixed with the second fixed block to screw up bolt, nut, and the fixing process is more convenient. When the second speed reducing block is seriously worn and needs to be replaced, the bolt is unscrewed, a new second speed reducing block is replaced, and the second fixing block and the second speed reducing rod are fixedly connected through the bolt, so that the replacement process is more convenient.

Optionally, one side of the supporting block close to the chain is provided with a protective cover covering the first motor, the chain, the first chain wheel and the second chain wheel, and a fixing component for fixing the protective cover is arranged between the protective cover and the supporting block.

Through adopting above-mentioned technical scheme, the safety cover has the guard action to the staff, at the in-process of first motor work, prevents that the staff from touchhing the chain of motion.

Optionally, the fixing assembly comprises a first magnet fixedly connected with one side of the protection cover close to the supporting block, and the supporting block is fixedly connected with a second magnet attracted and abutted to the first magnet.

Through adopting above-mentioned technical scheme, first magnet attracts the butt with second magnet, fixes the safety cover, and fixed process is more convenient. When the chain needs to be maintained, the protective cover is separated from the supporting block, the first magnet is separated from the second magnet, and the separation process is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the method comprises the following steps that firstly, a base paper roll to be unreeled is well fixed in advance, and after the unreeling of the previous base paper roll is finished, the base paper roll which is well fixed in advance can immediately supplement raw materials, so that the idle time in the process of replacing the base paper roll and fixing the base paper roll is reduced, and the effect of improving the processing efficiency is achieved;

2. decelerator decelerates the butt joint pole, makes the butt joint pole have certain resistance at the rotation in-process, reduces former scroll and leads to the fact owing to inertia rotates the number of turns than many and unreels too fast, too much possibility, remains former scroll throughout and is in the tensioning state, increases the stability that former scroll unreeled the in-process.

Drawings

Fig. 1 is a schematic structural view of the related art.

Fig. 2 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 3 is a schematic view of a second connection block embodied in embodiment 1.

Fig. 4 is a schematic view of the first bevel gear embodied in embodiment 1.

Fig. 5 is a schematic view showing the threaded rod in example 1.

Fig. 6 is a schematic structural diagram of embodiment 2 of the present application.

Fig. 7 is a schematic view showing the protective cover in embodiment 2.

Description of reference numerals: 1. a supporting seat; 11. a hold-down bolt; 2. a cross bar; 21. fixing the rod; 211. a first rotating lever; 22. a travel bar; 221. a first connection block; 222. a second connecting block; 223. a second rotating lever; 23. a chute; 3. a support block; 31. a rotating shaft; 32. a bearing rod; 33. a connecting assembly; 34. a butting rod; 4. a rotating assembly; 41. a first sprocket; 42. a fixing plate; 43. a first motor; 44. a second sprocket; 45. a chain; 5. a drive assembly; 51. a second motor; 52. a first bevel gear; 53. a lead screw; 54. a second bevel gear; 55. positioning a plate; 6. a reduction gear; 61. a reduction disk; 62. a connecting plate; 63. a first speed reduction lever; 631. a first connecting rod; 632. a first deceleration block; 633. a first detachable component; 6331. a first fixed block; 634. a threaded rod; 635. a disc; 64. a second reduction lever; 641. a second connecting rod; 642. a second deceleration block; 643. a second detachable assembly; 6431. a second fixed block; 7. a protective cover; 71. a fixing assembly; 711. a first magnet; 712. a second magnet.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses body paper unwinding device.

Example 1

As shown in fig. 2, the unwinding device includes a pair of supporting blocks 3, a rotating shaft 31 is disposed between the pair of supporting blocks 3, the rotating shaft 31 is rotatably connected to the supporting blocks 3, and the rotating shaft 31 can only rotate around the axis of the rotating shaft 31. One end of the rotating shaft 31 penetrates through the supporting block 3, and one end of the rotating shaft 31 penetrating through the supporting block 3 is connected with a rotating assembly 4 driving the rotating shaft 31 to rotate.

As shown in fig. 2 and 3, the cross bar 2 is sleeved outside the rotating shaft 31, and the cross bar 2 is fixedly connected with the rotating shaft 31. One vertical side of the cross bar 2 is slidably connected with a pair of receiving rods 32, and the side of the cross bar 2 opposite to the vertical side is also slidably connected with a pair of receiving rods 32.

A connecting assembly 33 for fixing the adapting rod 32 is arranged between each adapting rod 32 and the cross rod 2, the connecting assembly 33 comprises a pair of first connecting blocks 221 fixedly connected with one side of the adapting rod 32 close to the cross rod 2, one of the first connecting blocks 221 is connected with the upper surface of the cross rod 2 in a sliding manner, and the other first connecting block 221 is connected with the lower surface of the cross rod 2 in a sliding manner.

The upper surface and the lower surface of the cross rod 2 are respectively provided with a pair of sliding grooves 23, and the number of the sliding grooves 23 is four. The side of the first connecting block 221 away from the adapting rod 32 is fixedly connected with a second connecting block 222, the second connecting block 222 is disposed in the sliding groove 23, and the second connecting block 222 is slidably connected with the sliding groove 23.

As shown in fig. 2 and 4, each receiving rod 32 is rotatably connected with an abutting rod 34, the abutting rods 34 can only rotate around the axis of the abutting rod 34, and the abutting rods 34 on the same side are coaxially arranged.

A driving component 5 for driving the adapting rod 32 to move is arranged between each adapting rod 32 and the cross rod 2, and the driving component 5 can drive the adapting rod 32 to move along the length direction of the cross rod 2 to adjust the distance between the two adapting rods 32 positioned on the same side.

When the original paper roll needs to be unreeled, the original paper roll is firstly placed between the two abutting rods 34 positioned on the same side, so that the axes of the original paper roll and the two abutting rods 34 are positioned on the same straight line. The driving component 5 drives the two receiving rods 32 located on the same side to move to the side close to each other, and the receiving rods 32 drive the abutting rods 34 to move to one time close to the original paper roll. When the two abutting rods 34 abut against the original paper roll, the driving assembly 5 stops driving the receiving rods 32 to move, so as to fix the original paper roll. One end of the fixed base paper roll is conveyed to the next processing procedure, and the base paper roll drives the abutting rod 34 to rotate in the process of unwinding.

As shown in fig. 2, when it is found that the unwinding process of the original roll being unwound is about to end, the worker puts the next original roll to be unwound between the two abutting rods 34 on the other side, and the driving assembly 5 near one side of the original roll to be unwound drives the receiving rods 32 to move, so that the abutting rods 34 clamp and fix the original roll to be unwound.

The former scroll that needs unreel in advance is fixed good, unreel when the former scroll that unreels and finish after, runner assembly 4 drives axis of rotation 31 and rotates 180 degrees, and axis of rotation 31 drives horizontal pole 2 and rotates 180 degrees, and horizontal pole 2 drives adapting rod 32 and rotates 180 degrees, and adapting rod 32 drives the former scroll that waits to unreel and rotates 180 degrees. And rotating the original paper roll to be unreeled to the unreeling position of the previous original paper roll, immediately conveying one end of the original paper roll to the next processing area, and unreeling the original paper roll.

The base paper roll to be unreeled is fixed in advance, after the unreeling of the previous base paper roll is finished, the base paper roll fixed in advance can be immediately supplemented with raw materials, the idle time that no base paper enters the next processing procedure due to the replacement and fixing of the base paper roll is reduced, and the effect of improving the processing efficiency is achieved.

As shown in fig. 2, the rotating assembly 4 includes a first sprocket 41 fixedly connected to one end of the rotating shaft 31 penetrating through the supporting block 3, and a fixing plate 42 is fixedly connected to one side of the supporting block 3 near the first sprocket 41, and the fixing plate 42 is disposed at a lower side of the first sprocket 41. The upper surface of the fixing plate 42 is fixedly connected with a first motor 43, and the first motor 43 has a self-locking function. The output shaft of the first motor 43 is fixedly connected with a second chain wheel 44, and the first chain wheel 41 and the second chain wheel 44 are connected with a chain 45.

The output shaft of the first motor 43 drives the second chain wheel 44 to rotate, the first chain wheel 41 drives the chain 45 to rotate, the chain 45 drives the second chain wheel 44 to rotate, the second chain wheel 44 drives the rotating shaft 31 to rotate, and then the raw paper roll is driven to rotate, and the driving process is more convenient. The transmission mode of the chain 45 has the advantages of large transmission power and high transmission efficiency. When the rotation of the rotating shaft 31 is not required, the first motor 43 is self-locked to fix the rotating shaft 31.

As shown in fig. 2 and 4, the driving assembly 5 includes a second motor 51 correspondingly disposed on each receiving rod 32, the second motors 51 have a self-locking function, the number of the second motors 51 is four, the second motors 51 are fixedly connected with the cross bar 2, and an output shaft of each second motor 51 is fixedly connected with a first bevel gear 52. Each bearing rod 32 is in threaded connection with a lead screw 53, one end of the lead screw 53 close to the first bevel gear 52 is fixedly connected with a second bevel gear 54, and the second bevel gear 54 is in meshed connection with the first bevel gear 52. The lead screw 53 penetrates through the positioning plates 55, the number of the positioning plates 55 is four, the lead screw 53 is rotatably connected with the positioning plates 55, and the lead screw 53 can only rotate around the axis of the lead screw 53.

An output shaft of the second motor 51 drives the first bevel gear 52 to rotate, the first bevel gear 52 drives the second bevel gear 54 to rotate, the second bevel gear 54 drives the lead screw 53 to rotate, and the lead screw 53 drives the bearing rod 32 to move along the length direction of the cross bar 2. When the output shaft of the second motor 51 rotates in the opposite direction, the carrying rod 32 is driven to move in the opposite direction along the length direction of the cross rod 2. The process of driving the adapting rod 32 to move is convenient, and when the adapting rod 32 does not need to move, the second motor 51 is self-locked.

As shown in fig. 4 and 5, each of the abutting rods 34 is connected with a speed reducer 6, and in the unwinding process of the original paper roll, the speed reducer 6 reduces the speed of the abutting rods 34, so that the original paper roll is always kept in a tensioned state, and the possibility that the original paper roll is unwound too fast and too much due to a large number of inertia rotation turns is reduced.

The reduction gear 6 comprises a reduction gear disc 61 fixedly connected with one end of the abutting rod 34 penetrating through the bearing rod 32, one side of the bearing rod 32 close to the reduction gear disc 61 is fixedly connected with a pair of connecting plates 62, and the two connecting plates 62 are vertically arranged. A first deceleration rod 63 and a second deceleration rod 64 are arranged between the pair of connecting plates 62, the first deceleration rod 63 is penetrated by a first connecting rod 631, the first connecting rod 631 is fixedly connected with the first deceleration rod 63, and the first connecting rod 631 is also fixedly connected with the connecting plates 62.

The second deceleration rod 64 is penetrated by a second connection rod 641, the second connection rod 641 is rotatably connected with the second deceleration rod 64, and the second connection rod 641 is fixedly connected with the connection rod.

As shown in fig. 4 and 5, a first decelerating block 632 abuts against one side of the decelerating disc 61 close to the first decelerating rod 63, a first detachable component 633 is arranged between the first decelerating block 632 and the first decelerating rod 63, and the first detachable component 633 fixes the first decelerating block 632.

A second decelerating block 642 is abutted on one side of the decelerating disc 61 close to the second decelerating rod 64, a second detachable assembly 643 is arranged between the second decelerating block 642 and the second decelerating rod 64, and the second detachable assembly 643 fixes the second decelerating block 642.

A threaded rod 634 is screwed on the first deceleration rod 63, the threaded rod 634 abuts against the second deceleration rod 64, and a disc 635 is fixedly connected to one end of the threaded rod 634 far away from the second deceleration rod 64. Rotating disk 635 causes threaded rod 634 to rotate, and threaded rod 634 moves toward a side adjacent to second reduction lever 64. The second decelerating rod 64 is pressed tightly by the threaded rod 634, the second decelerating rod 64 rotates around the axis of the second connecting rod 641, the second decelerating rod 64 drives the second decelerating block 642 to move towards the side close to the decelerating disc 61, the second decelerating block 642 is pressed tightly against the decelerating disc 61, and the rotation amount of the threaded rod 634 can be controlled according to actual needs so as to control the pressing degree between the second decelerating block 642 and the decelerating disc 61.

As shown in fig. 4 and 5, in the process of unwinding the base paper roll, the abutment lever 34 rotates, and the abutment lever 34 rotates the reduction gear 61. The first speed reduction block 632 abuts against the second speed reduction block 642 and the speed reduction disk 61, and has a braking effect on the speed reduction disk 61 to reduce the speed of the speed reduction disk 61, thereby reducing the possibility of a process in which the base paper is wound and unwound too fast.

After the second deceleration block 642 is used for a period of time, the surface of the second deceleration block 642 is worn, so that the friction between the second deceleration block 642 and the deceleration disk 61 is reduced, and the deceleration effect on the deceleration disk 61 is affected. Rotating disc 635, disc 635 drives threaded rod 634 further to abut against second deceleration rod 64, and then second deceleration block 642 moves to one side close to deceleration disk 61, and second deceleration block 642 abuts against deceleration disk 61 again, increases the deceleration effect to deceleration disk 61, and the process of adjusting second deceleration block 642 is more convenient.

The first detachable assembly 633 includes a first fixed block 6331 fixedly connected to a side of the first deceleration block 632 close to the first deceleration bar 63, and the first fixed block 6331 is disposed at an upper side of the first deceleration bar 63. A bolt penetrates between the first fixing block 6331 and the first speed reducing rod 63, and the first fixing block 6331 is fixed by tightening the bolt and the nut, so that the fixing process is convenient.

When the first decelerating block 632 is worn seriously, the bolt is unscrewed to replace the new first decelerating block 632, and then the first fixing block 6331 and the first decelerating rod 63 are fixedly connected by the bolt, so that the replacement process is more convenient.

As shown in fig. 4 and 5, the second detachable assembly 643 includes a second fixed block 6431 fixedly connected to a side of the second deceleration block 642 adjacent to the second deceleration bar 64, and the second fixed block 6431 is disposed on an upper side of the second deceleration bar 64. A bolt penetrates between the second fixing block 6431 and the second speed reducing rod 64, the second speed reducing block 642 is rotated, one side face, close to the speed reducing disk 61, of the second speed reducing block 642 is abutted to the speed reducing disk 61, the bolt and the nut are tightened to fix the second fixing block 6431, and the fixing process is convenient.

When the second decelerating block 642 is seriously worn and needs to be replaced, the bolt is unscrewed to replace the new second decelerating block 642, and then the second fixing block 6431 and the second decelerating rod 64 are fixedly connected by the bolt, so that the replacement process is more convenient.

The implementation principle of the embodiment 1 is as follows: when the base paper roll needs to be unreeled, the base paper roll is firstly placed between the two abutting rods 34 positioned on the same side, the output shaft of the second motor 51 drives the first bevel gear 52 to rotate, the first bevel gear 52 drives the second bevel gear 54 to rotate, the second bevel gear 54 drives the screw 53 to rotate, and the screw 53 drives the bearing rod 32 to move towards one side close to the base paper roll, so that the abutting rods 34 clamp and fix the base paper roll. One end of the fixed base paper roll is conveyed to the next processing procedure, and the base paper roll drives the abutting rod 34 to rotate in the process of unwinding.

When the unwinding process of the original paper roll which is being unwound is about to end, a worker puts the next original paper roll to be unwound between the two abutting rods 34 on the other side, and clamps and fixes the original paper roll to be unwound. After the unreeling of the original paper roll being unreeled is finished, the first motor 43 drives the second chain wheel 44 to rotate so as to drive the rotating shaft 31 to rotate for 180 degrees, the rotating shaft 31 drives the cross rod 2 to rotate for 180 degrees, the cross rod 2 drives the adapting rod 32 to rotate for 180 degrees, and the adapting rod 32 drives the original paper roll to be unreeled to rotate for 180 degrees. And rotating the original paper roll to be unreeled to the unreeling position of the previous original paper roll, immediately conveying one end of the original paper roll to the next processing area, and unreeling the original paper roll.

Example 2

As shown in fig. 6 and 7, the present embodiment is different from embodiment 1 in that a protective cover 7 is provided outside the first motor 43, and the protective cover 7 can cover the first motor 43, the second sprocket 44, the chain 45, and the first sprocket 41. When the first motor 43 works, the protection effect is provided for workers, and accidents caused by the fact that the workers touch the moving chain 45 are prevented.

A fixing component 71 for fixing the protective cover 7 is arranged between the protective cover 7 and the supporting block 3, and the fixing component 71 increases the stability when the protective cover 7 covers the chain 45.

As shown in fig. 6 and 7, the fixing assembly 71 includes a first magnet 711 fixedly connected to a side of the protection cover 7 close to the supporting block 3, a second magnet 712 having the same shape as the first magnet 711 is fixedly connected to a side of the supporting block 3 close to the protection cover 7, and the first magnet 711 and the second magnet 712 are attracted and abutted to fix the protection cover 7, which is convenient for the fixing process.

When the chain 45 needs to be repaired, the protective cover 7 is separated from the supporting block 3, and the first magnet 711 is separated from the second magnet 712, so that the separation process is convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a body paper unwinding device which characterized in that: the supporting device comprises a pair of supporting blocks (3), wherein the supporting blocks (3) are rotatably connected with a rotating shaft (31), a cross rod (2) is fixedly sleeved on the rotating shaft (31), one end of the rotating shaft (31) penetrates through the supporting blocks (3), and one end of the rotating shaft (31) penetrating through the supporting blocks (3) is connected with a rotating assembly (4) driving the rotating shaft (31) to rotate;

a pair of vertical side surfaces of the cross rod (2) are respectively connected with a pair of bearing rods (32) in a sliding mode, and a connecting assembly (33) for fixing the bearing rods (32) is arranged between the bearing rods (32) and the cross rod (2);

the supporting rod (32) is rotatably connected with a butting rod (34), the two butting rods (34) on the same side are coaxial, and a driving assembly (5) for driving the supporting rod (32) to move along the length direction of the cross rod (2) is arranged between the supporting rod (32) and the cross rod (2).

2. The base paper unwinding device as claimed in claim 1, characterized in that: coupling assembling (33) include with adapting rod (32) one side fixed connection's a pair of first connecting block (221) that is close to horizontal pole (2), horizontal pole (2) are arranged in between a pair of first connecting block (221), one side fixedly connected with second connecting block (222) of adapting rod (32) are kept away from in first connecting block (221), horizontal pole (2) upper surface and lower surface are equipped with a pair of spout (23) respectively, second connecting block (222) and spout (23) sliding connection.

3. The base paper unwinding device as claimed in claim 2, characterized in that: the rotating assembly (4) comprises a first chain wheel (41) fixedly connected with the rotating shaft (31), a first motor (43) with a self-locking function is arranged on the lower side of the first chain wheel (41), a second chain wheel (44) is fixedly connected with an output shaft of the first motor (43), and a chain (45) is connected with the first chain wheel (41) and the second chain wheel (44).

4. The base paper unwinding device as claimed in claim 2, characterized in that: the driving assembly (5) comprises second motors (51) which are correspondingly arranged on each bearing rod (32) and have a self-locking function, the second motors (51) are fixedly connected with the cross rod (2), output shafts of the second motors (51) are fixedly connected with first bevel gears (52), the bearing rods (32) are in threaded connection with lead screws (53), the lead screws (53) are fixedly connected with second bevel gears (54) which are meshed with the first bevel gears (52), positioning plates (55) which are correspondingly arranged on the cross rod (2) and the lead screws (53) are fixedly connected with the cross rod, and the lead screws (53) are rotatably connected with the positioning plates (55).

5. The base paper unwinding device as claimed in claim 1 or 4, characterized in that: each bearing rod (32) is respectively connected with a speed reduction device (6) for reducing the speed of the bearing rod (34).

6. The base paper unwinding device as claimed in claim 5, wherein: the speed reducer (6) comprises a speed reducing disc (61) fixedly connected with a butting rod (34), one side of the bearing rod (32) close to the speed reducing disc (61) is fixedly connected with a pair of connecting plates (62), a first connecting rod (631) and a second connecting rod (641) which are vertically arranged are fixedly connected between the pair of first connecting plates (62), the first connecting rod (631) is fixedly connected with a first speed reducing rod (63), the second connecting rod (641) is rotatably connected with a second speed reducing rod (64), one side of the speed reducing disc (61) close to the first speed reducing rod (63) is butted with a first speed reducing block (632), a first detachable component (633) for fixing the first speed reducing block (632) is arranged between the first speed reducing block (632) and the first speed reducing rod (63), one side of the speed reducing disc (61) close to the second speed reducing rod (64) is butted with a second speed reducing block (642), a second detachable assembly (643) for fixing the second speed reducing block (642) is arranged between the second speed reducing block (642) and the second speed reducing rod (64), a threaded rod (634) is connected to the first speed reducing rod (63) in a threaded mode, and the threaded rod (634) is abutted to the second speed reducing rod (64).

7. The base paper unwinding device as claimed in claim 6, wherein: the first detachable assembly (633) comprises a first fixing block (6331) fixedly connected with one side, close to the first speed reducing rod (63), of a first speed reducing block (632), and the first fixing block (6331) and the first speed reducing rod (63) are fixed through bolts.

8. The base paper unwinding device as claimed in claim 6, wherein: the second detachable assembly (643) comprises a second fixing block (6431) fixedly connected with one side, close to the second speed reducing rod (64), of the second speed reducing block (642), and the second fixing block (6431) and the second speed reducing rod (64) are fixed through bolts.

9. The base paper unwinding device as claimed in claim 3, characterized in that: one side that supporting shoe (3) are close to chain (45) is equipped with safety cover (7) that cover first motor (43), chain (45), first sprocket (41) and second sprocket (44), be equipped with between safety cover (7) and supporting shoe (3) with fixed subassembly (71) that safety cover (7) are fixed.

10. The base paper unwinding device of claim 9, wherein: the fixing component (71) comprises a first magnet (711) fixedly connected with one side, close to the supporting block (3), of the protection cover (7), and a second magnet (712) attracted and abutted to the first magnet (711) is fixedly connected with the supporting block (3).

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