CN212687060U - Automatic paper feeding device for paper roll - Google Patents

Abstract

The utility model relates to an automatic paper feeding device for paper rolls, which comprises a frame, wherein a rotating shaft is arranged on the frame, two clamping arms are just arranged on the rotating shaft, the clamping arms are rotationally connected with the rotating shaft, a feeding frame, a bottom plate and two side plates are arranged on one side of the frame, the feeding frame and the clamping arms are positioned on the same side of the frame, the side plates are vertically arranged with the rotating shaft, a conveying belt is arranged on the side plates, one end of the conveying belt is provided with a servo motor, the servo motor is electrically connected with a controller, a plurality of push rods are arranged on the conveying belt, two ends of the clamping arms are respectively provided with a stand column, the height of the stand column is the same as the lowest height of a clamping head, an infrared emitter and an infrared receiver are just arranged between the stand columns, the infrared receiver is electrically, the travel switch is electrically connected with the controller. The utility model discloses an effect that has the input of using manpower sparingly.

Description

Automatic paper feeding device for paper roll

Technical Field

The utility model relates to a paper lithography apparatus field especially relates to an automatic paper feeding device of scroll.

Background

The prior wallpaper and poster are both made by adopting a color printing technology, because the wallpaper poster is popular in the market, the market is in short supply and needs a faster production speed, the traditional making mode and making equipment are not suitable for the current market demand, especially the paper consumption is larger during color printing, when paper is used in the traditional color printing industry, a clamping device for manually lifting a paper roll onto the paper roll is adopted, the paper feeding mode is tired, the paper feeding time is longer, the needed labor force is more, the cost of color printing is increased, the profit of products is reduced, the existing machine lifting mechanism on the market is complex in structure, the operation is complicated and the problems are easy to occur in operation, meanwhile, the paper roll can be lifted by using a clamping head of the paper roll lifting mechanism, the paper roll is difficult to transfer due to the fact that the paper roll is heavier, if the movement is carried out on the ground, the abrasion of the surface of the paper roll can be caused, and the paper is wasted.

In order to solve the problems, the chinese patent with publication number CN207482976U discloses a color printing paper roll feeding device, which comprises a support frame, a slide bar, a clamping arm and a rotating mechanism, wherein the support frame is fixed on the ground and is a portal frame, the support frame is fixed with a slide bar, the slide bar is cylindrical, one end of the slide bar protrudes out of the support frame, the rotating mechanism is arranged on one end of the slide bar, the slide bar is sleeved with two sliding sleeves, a cylinder body of two sliding cylinders is further fixed at the middle position of the slide bar, and piston rods of the two sliding cylinders are; each sliding sleeve is fixed with a clamping arm, and the other end of each clamping arm is fixed with a clamping head. When paper is fed, the paper roll is prevented from being on the ground, the clamping arm is put down by driving the rotating mechanism, the sliding cylinder is controlled to drive the clamping arm to move on the sliding rod, the clamping heads are abutted to the axle centers of the two ends of the paper roll, and then the rotating arm is lifted by driving the rotating mechanism to finish material feeding.

Above-mentioned scheme still has following problem, still needs the manual work to remove single scroll to between the centre gripping arm when carrying out the scroll and changing the material loading, waits for the centre gripping of centre gripping arm, and this needs the artifical incessant to transport the scroll, consumes a large amount of manpowers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic paper device of going up of scroll through setting up the last work or material rest that has the drive action, deposit a plurality of scrolls with last work or material rest in, when the centre gripping arm descends to supply the scroll, transport automatically in the last work or material rest between the scroll centre gripping arm, need not drop into a large amount of manpowers and carry out moving of scroll.

The utility model aims at realizing through the following technical scheme:

an automatic paper roll feeding device comprises a frame, wherein a rotating shaft is arranged on the frame, two clamping arms are arranged on the rotating shaft in a facing mode, clamping heads are arranged on the clamping arms, the clamping arms are connected with the rotating shaft in a sliding mode, a feeding frame is arranged on one side of the frame, the feeding frame and the clamping arms are located on the same side of the frame, the feeding frame comprises a bottom plate arranged in parallel with the ground, side plates are vertically arranged on two side edges of the bottom plate, the side plates are vertically arranged with the rotating shaft, a conveying belt is arranged on the side plates, a servo motor is arranged at one end of the conveying belt, the servo motor is electrically connected with a controller, a belt surface of the conveying belt is perpendicular to the bottom plate, a plurality of pushing rods are arranged on the conveying belt, stand columns are arranged at two ends of the clamping arms, and the height of each, just being provided with infrared emitter and infrared receiver between the stand, infrared receiver with the controller electricity is connected, the curb plate is close to frame one end orientation deviates from bottom plate one side and extends and is provided with the mount, just the mount is strideed perpendicularly and is located the conveyer belt deviates from curb plate one side, the mount includes the fixed plate that is on a parallel with the lateral wall, the fixed plate both ends be provided with lateral wall vertically backup pad, the fixed plate with the backup pad is articulated, the fixed plate free end and another backup pad fixed connection, just right on the fixed plate the conveyer belt is provided with travel switch.

By adopting the technical scheme, the section of the feeding frame consisting of the bottom plate and the two side plates is U-shaped, and the paper roll can be transported and stored in the space enclosed by the bottom plate and the side plates. The push rod can enter the cavity of the axis of the paper roll under the driving of the conveying belt when the paper roll enters the feeding frame, so that the paper roll is pushed to move towards the direction of the rack under the driving of the conveying belt. Simultaneously, the light path that forms between infrared emitter and the infrared receiver that sets up on the stand is sheltered from by the centre gripping arm when the centre gripping arm falls the minimum, the controller can control servo motor and carry out work this moment, drive the conveyer belt work, the scroll is pushed to frame one end under the effect of catch bar, when the scroll moves the tip of last work or material rest towards the frame, the scroll breaks away from the catch bar, the catch bar will move to the curb plate and deviate from bottom plate one side, the catch bar will take place the touching in forming the switch this moment, after travel switch is triggered, can be with this signal transmission to controller, controller control servo motor stop motion. The limiting of the height of the stand column ensures that the clamping arm can trigger the servo motor to work at the position where the paper roll needs to be replaced, and the condition that the paper roll arrives at the position where the paper roll is replaced by the clamping arm too early and collides with a winding drum of the previous paper roll due to the fact that a light path formed between the infrared transmitter and the infrared receiver is blocked too early is avoided. The fixed frame can provide a mounting position for the travel switch. Through setting up infrared receiver, travel switch and the servo motor of being connected with the controller electricity, can realize that the scroll is automatic to be supplied with when changing the scroll height in the whereabouts of centre gripping arm to avoid artifical transport to the scroll, reduced the input of manpower.

The utility model discloses further set up to: the end part of the push rod is arranged to be a spherical surface.

Through adopting above-mentioned technical scheme, the push rod tip that the sphere set up can avoid push rod tip edge and reel to produce the collision interference when getting into or breaking away from the reel of scroll axle center, for the push rod gets into or breaks away from the reel and provides the abdication, has made things convenient for the push rod to get into or break away from the reel.

The utility model discloses further set up to: the conveyer belt is provided with a plurality of fixing seats corresponding to the positions of the push rods, and the fixing seats and the push rods are detachably arranged.

Through adopting above-mentioned technical scheme, the setting of fixing base can make the catch bar realize with the separation of conveyer belt, when the catch bar loss appears, the staff can only change single catch bar to when avoiding single catch bar to go wrong all carry out the waste of changing to the catch bar that the whole conveyer belt was subsidiary.

The utility model discloses further set up to: the ground is provided with a slide rail along the direction perpendicular to the bottom plate, the side plate is connected with the slide rail in a sliding manner, the side plate deviates from one side of the bottom plate and is provided with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with the side plate.

Through adopting above-mentioned technical scheme, the setting up of slide rail provides the moving means for the curb plate, and when scroll axial length is longer, the pneumatic cylinder can drive the curb plate and remove along the slide rail to make the scroll of different axial length under the curb plate interval can hold.

The utility model discloses further set up to: the lateral plate is provided with a support towards one side of the hydraulic cylinder, and the support is connected with the sliding rail in a sliding mode.

Through adopting above-mentioned technical scheme, the setting of support can provide the auxiliary stay effect to the curb plate, has prevented the upset of curb plate.

The utility model discloses further set up to: the bottom plate is provided with descending ramp towards frame one end, the bottom plate deviates from frame one end is provided with the lifting ramp, the curb plate correspond descending ramp with the lifting ramp position all is provided with the deflector.

Through adopting above-mentioned technical scheme, the lifting ramp makes the scroll have certain gravitational potential energy, and when the scroll motion rolled down along the decline ramp, the gravitational potential energy of scroll can turn into kinetic energy, makes the scroll can move to the centre gripping arm position under the limiting displacement of deflector.

The utility model discloses further set up to: the descending ramp is provided with a buffer plate towards one end of the rack, and a buffer cambered surface is arranged on one side, facing the feeding frame, of the buffer plate.

Through adopting above-mentioned technical scheme, the setting of buffer board can avoid scroll and frame to produce the striking, and the sunken space that buffer board and decline ramp are constituteed simultaneously can make the scroll stop wait for the centre gripping of centre gripping arm in this sunken space, has made spacingly to the clamping position of scroll, has avoided the scroll to break away from the clamping position of centre gripping arm.

The utility model discloses further set up to: the side face of the side plate, which deviates from one side of the bottom plate, corresponds to the position of the conveying belt, and a protective shell is arranged at the position of the conveying belt.

Through adopting above-mentioned technical scheme, the setting of protective housing can avoid the catch bar to receive the damage of external factor, has also prevented simultaneously that the in-process that follows the conveyer belt at the catch bar and move from causing the condition emergence of accidental injury to the staff.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the infrared receiver, the travel switch and the servo motor which are electrically connected with the controller, the automatic feeding of the paper roll can be realized when the clamping arm falls to the height of replacing the paper roll, so that the manual carrying of the paper roll is avoided, and the manpower input is reduced;

2. when the axial length of the paper roll is longer, the hydraulic cylinder can drive the side plates to move along the slide rails, so that the distance between the side plates can accommodate the paper rolls with different axial lengths.

Drawings

Fig. 1 is the overall structure schematic diagram of the utility model, which aims to show the state of the paper roll on the feeding rack when the paper feeding state is displayed.

Fig. 2 is the structure diagram of the feeding frame of the present invention, which aims at showing the structure of the feeding frame.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2, and is intended to show the structures of a stroke switch and a push lever.

In the figure, 1, a frame; 11. a rotating shaft; 12. a clamp arm; 13. a clamping head; 2. a feeding frame; 21. a base plate; 22. a side plate; 3. a conveyor belt; 31. a servo motor; 32. a push rod; 33. a fixed seat; 4. a controller; 41. a column; 42. an infrared emitter; 43. an infrared receiver; 44. a fixed mount; 45. a fixing plate; 46. a support plate; 47. a travel switch; 5. a slide rail; 51. a hydraulic cylinder; 52. a support; 6. a descending ramp; 61. lifting the ramp; 62. a buffer plate; 63. buffering the arc surface; 64. a guide plate; 7. a protective shell.

Detailed Description

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

Referring to fig. 1 and 2, an automatic paper feeding device for paper rolls comprises a frame 1, a rotating shaft 11 is arranged on the frame 1, two clamping arms 12 are arranged on the rotating shaft 11, clamping heads 13 are arranged on the clamping arms 12, the clamping arms 12 are slidably connected with the rotating shaft 11, a feeding frame 2 is arranged on one side of the frame 1, the feeding frame 2 and the clamping arms 12 are positioned on the same side of the frame 1, the feeding frame 2 comprises a bottom plate 21 arranged parallel to the ground, side plates 22 are vertically arranged on two side edges of the bottom plate 21, the side plates 22 are vertically arranged with the rotating shaft 11, a conveying belt 3 is arranged on the side plates 22, a servo motor 31 is arranged at one end of the conveying belt 3, the servo motor 31 is electrically connected with a controller 4, a belt surface of the conveying belt 3 is arranged perpendicular to the bottom plate 21, a plurality of pushing rods 32 are arranged on the conveying belt 3, and when the pushing rods 32 enter, the end of the push rod 32 is provided with a spherical surface. The two ends of the clamping arm 12 are both provided with upright columns 41, the height of the upright columns 41 is the same as the lowest height of the clamping head 13, an infrared emitter 42 and an infrared receiver 43 are arranged between the upright columns 41, and the infrared receiver 43 is electrically connected with the controller 4. The section of the feeding frame 2 consisting of the bottom plate 21 and the two side plates 22 is U-shaped, and the paper roll can be transported and stored in a space surrounded by the bottom plate 21 and the side plates 22. The pushing rod 32 can enter the cavity of the axis of the paper roll under the driving of the conveyor belt 3 when the paper roll enters the feeding frame 2, so that the paper roll is pushed to move towards the rack 1 under the driving of the conveyor belt 3. Meanwhile, a light path formed between an infrared emitter 42 and an infrared receiver 43 arranged on the upright post 41 is shielded by the clamping arm 12 when the clamping arm 12 falls to the lowest point, at this time, the controller 4 controls the servo motor 31 to work to drive the conveyor belt 3 to work, the paper roll is pushed to one end of the rack 1 under the action of the push rod 32, and the paper roll is pushed to one end of the rack 1 under the action of the push rod 32.

Referring to fig. 3, further, it is provided with mount 44 to extend to deviate from bottom plate 21 one side near frame 1 one end orientation at curb plate 22, just mount 44 strides perpendicularly and locates conveyer belt 3 deviates from curb plate 22 one side, mount 44 includes the fixed plate 45 that is on a parallel with the lateral wall, fixed plate 45 both ends be provided with lateral wall vertically backup pad 46, fixed plate 45 with backup pad 46 is articulated, fixed plate 45 free end and another backup pad 46 fixed connection, be provided with travel switch 47 on the fixed plate 45 just to conveyer belt 3, travel switch 47 sets up to the sphere towards catch bar 32 one end in this embodiment, and travel switch 47 is connected with controller 4 electricity. The side surface of the side plate 22 facing away from the bottom plate 21 is provided with a protective shell 7 corresponding to the position of the conveyor belt 3. When the paper roll moves to the end part of the loading frame 2 facing the rack 1, the paper roll is separated from the push rod 32, the push rod 32 moves to the side of the side plate 22 departing from the bottom plate 21, the push rod 32 touches the forming switch, the travel switch 47 is triggered, the signal is transmitted to the controller 4, and the controller 4 controls the servo motor 31 to stop moving. The height of the upright 41 ensures that the clamping arm 12 can trigger the servo motor 31 to work at the position where the paper roll needs to be replaced, and the situation that the paper roll arrives at the paper roll replacing position of the clamping arm 12 too early and collides with the winding drum of the previous paper roll due to the fact that the light path formed between the infrared emitter 42 and the infrared receiver 43 is blocked too early is avoided. The mounting bracket 44 may be configured to provide a mounting location for the travel switch 47.

Referring to fig. 2, considering that the scroll can have different specifications, need adjust last work or material rest 2 and catch bar 32 interval according to the axial length of scroll, the event corresponds catch bar 32 position and is provided with a plurality of fixing bases 33 on conveyer belt 3, realizes dismantling the setting through the bolt and nut cooperation between fixing base 33 and the catch bar 32. Meanwhile, a sliding rail 5 is arranged on the ground along the direction perpendicular to the bottom plate 21, the side plate 22 is connected with the sliding rail 5 in a sliding mode, a hydraulic cylinder 51 is arranged on one side, away from the bottom plate 21, of the side plate 22, and the output end of the hydraulic cylinder 51 is fixedly connected with the side plate 22. In consideration of the stability of the side plate 22 standing upright, a bracket 52 is provided on the side of the side plate 22 facing the hydraulic cylinder 51, and the bracket 52 is slidably connected to the slide rail 5. The fixed seat 33 can enable the push rod 32 to be separated from the conveyor belt 3, so that a worker can perform targeted replacement operation when the push rod 32 is damaged after being used for a long time, replacement of the whole conveyor belt 3 is avoided, and material waste caused by maintenance is reduced; when the axial length of the paper roll is long, the hydraulic cylinder 51 can drive the side plates 22 to move along the slide rails 5, so that the distance between the side plates 22 can accommodate paper rolls with different axial lengths.

Referring to fig. 1 and 2, further considering the movement of the paper roll from the loading frame 2 to the position of the clamping arm 12, a descending ramp 6 is arranged at one end of the bottom plate 21 of the loading frame 2 facing to the frame 1, a lifting ramp 61 is arranged at one end of the bottom plate 21 opposite to the frame 1, guide plates 64 are arranged on the side plates 22 at two sides of the descending ramp 6 and the lifting ramp 61, and the height of each guide plate 64 cannot exceed the lowest position of the clamping arm 12 in a descending mode. The descending ramp 6 is provided with a buffer plate 62 towards one end of the frame 1, and a buffer cambered surface 63 is arranged on one side of the buffer plate 62 towards the upper material rack 2. The lifting ramp 61 provides the paper roll with a certain gravitational potential energy, and when the paper roll rolls down along the lowering ramp 6, the gravitational potential energy of the paper roll is converted into kinetic energy, so that the paper roll can move to the position of the clamping arm 12 under the limiting action of the guide plate 64. The setting of buffer board 62 can avoid scroll and frame 1 to produce the striking, and the sunken space that buffer board 62 and descending ramp 6 constitute simultaneously can make the scroll stop wait for the centre gripping of centre gripping arm 12 in this sunken space, has made spacingly to the clamping position of scroll, has avoided the scroll to break away from the clamping position of centre gripping arm 12.

The implementation principle of the embodiment is as follows: when feeding the paper roll, the worker needs to drive the hydraulic cylinder 51 to drive the side plates 22 to move along the slide rails 5 according to the axial length of the paper roll to adjust the distance between the side plates 22, meanwhile, the pushing rod 32 which can interfere with the paper roll according to the diameter of the paper roll is taken down from the fixed seat 33, then the fixed plate 45 on the fixed frame 44 is opened, the travel switch 47 is separated from the contact position with the pushing rod 32, then the servo motor 31 is driven to rotate, the servo motor 31 drives the conveyor belt 3 and the pushing rod 32 to move, the worker transfers the paper roll to the bottom plate 21 through the lifting ramp 61 at the moment, when the pushing rod 32 moves to the end of the lifting ramp 61, the paper roll enters the winding drum of the paper roll, thereby driving the rolls to move and fixing the fixing plate 45 to the support plate 46 when the loading frame 2 is filled with rolls, i.e. the first roll of rolls has reached the position to enter the descending ramp 6. Then, when the clamping arm 12 is lowered to the top end height of the upright 41, the optical path formed between the infrared emitter 42 and the infrared receiver 43 is shielded by the clamping arm 12 when the clamping arm 12 falls to the lowest point, at this time, the controller 4 controls the servo motor 31 to work to drive the conveyor belt 3 to work, the paper roll is pushed to one end of the rack 1 under the action of the push rod 32, when the paper roll moves to the end of the upper rack 2 facing the rack 1, the paper roll is separated from the push rod 32, reaches the buffer plate 62 along the descending ramp 6, and stays between the descending ramp 6 and the buffer plate 62 under the action of the buffer arc 63, and waits for the clamping arm 12 to clamp the paper roll. The pushing rod 32 will move to the side of the side plate 22 away from the bottom plate 21 after being separated from the paper roll, at this time, the pushing rod 32 will touch the forming switch, after the travel switch 47 is triggered, the signal will be transmitted to the controller 4, and the controller 4 controls the servo motor 31 to stop moving.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an automatic paper feeding device of scroll, includes frame (1), be provided with rotation axis (11) in frame (1), just be provided with two centre gripping arms (12) on rotation axis (11), be provided with clamping head (13) on centre gripping arm (12), centre gripping arm (12) with rotation axis (11) sliding connection, its characterized in that: a feeding frame (2) is arranged on one side of the rack (1), the feeding frame (2) and the clamping arm (12) are positioned on the same side of the rack (1), the feeding frame (2) comprises a bottom plate (21) arranged in parallel with the ground, side plates (22) are vertically arranged on two side edges of the bottom plate (21), the side plates (22) are vertically arranged with the rotating shaft (11), a conveying belt (3) is arranged on the side plates (22), a servo motor (31) is arranged at one end of the conveying belt (3), the servo motor (31) is electrically connected with a controller (4), a belt surface of the conveying belt (3) is arranged perpendicular to the bottom plate (21), a plurality of push rods (32) are arranged on the conveying belt (3), stand columns (41) are arranged at two ends of the clamping arm (12), and the height of each stand column (41) is the same as the lowest height of the clamping head (13), and an infrared emitter (42) and an infrared receiver (43) are arranged between the upright posts (41) in a right-facing way, the infrared receiver (43) is electrically connected with the controller (4), one end of the side plate (22) close to the rack (1) extends towards one side departing from the bottom plate (21) to form a fixed frame (44), and the fixed frame (44) is vertically spanned on one side of the conveyor belt (3) departing from the side plate (22), the fixing frame (44) comprises a fixing plate (45) parallel to the side wall, two ends of the fixing plate (45) are provided with supporting plates (46) vertical to the side wall, the fixed plate (45) is hinged with the supporting plate (46), the free end of the fixed plate (45) is fixedly connected with the other supporting plate (46), and a travel switch (47) is arranged on the fixed plate (45) and is opposite to the conveyor belt (3).

2. An automatic loading device for paper roll according to claim 1, characterized in that: the end of the push rod (32) is arranged to be spherical.

3. An automatic loading device for paper roll according to claim 2, characterized in that: a plurality of fixing seats (33) are arranged on the conveyor belt (3) corresponding to the positions of the push rods (32), and the fixing seats (33) and the push rods (32) are detachably arranged.

4. An automatic loading device for paper roll according to claim 3, characterized in that: subaerial edge perpendicular to bottom plate (21) direction is provided with slide rail (5), curb plate (22) with slide rail (5) are slided and are connected, curb plate (22) deviate from bottom plate (21) one side is provided with pneumatic cylinder (51), pneumatic cylinder (51) output with curb plate (22) fixed connection.

5. An automatic loading device for paper roll according to claim 4 characterized in that: the side plate (22) faces one side of the hydraulic cylinder (51) and is provided with a support (52), and the support (52) is connected with the sliding rail (5) in a sliding mode.

6. An automatic loading device for paper roll according to claim 5, characterized in that: the bottom plate (21) orientation frame (1) one end is provided with descending ramp (6), bottom plate (21) deviates from frame (1) one end is provided with lifting ramp (61), curb plate (22) correspond descending ramp (6) with lifting ramp (61) position all is provided with deflector (64).

7. An automatic loading device for paper roll according to claim 6, characterized in that: the descending ramp (6) is provided with a buffer plate (62) towards one end of the rack (1), and a buffer arc surface (63) is arranged on one side, towards the feeding rack (2), of the buffer plate (62).

8. An automatic loading device for paper roll according to claim 7, characterized in that: the side face, deviating from one side of the bottom plate (21), of the side plate (22) is provided with a protective shell (7) corresponding to the position of the conveyor belt (3).

Images