CN212292113U

CN212292113U - Paper feeding equipment and paper feeder

Info

Publication number: CN212292113U
Application number: CN202020018168.6U
Authority: CN
Inventors: 李明康; 郝小强
Original assignee: Nantai Precise Machinery & Tech Ltd Foshan
Current assignee: Nantai Precise Machinery & Tech Ltd Foshan
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2021-01-05
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a paper feeding equipment and paper feeder, including first pallet, first support and roller bearing, first support passes through the roller bearing and rotates the connection on first pallet, first drive unit is connected to the one end of roller bearing, first drive unit is used for driving first support upset, be equipped with a plurality of conveyer belts on the first pallet, the conveyer belt passes through the drive of second drive unit, first support both sides all are equipped with the rack and remove the seat, rotate on two removal seats and connect same first transmission pole, first transmission pole both ends are all overlapped and are equipped with first gear, first gear and rack toothing, first transmission pole passes through the manual wheel drive. The utility model has the characteristics of it is fast, the stationarity of form advancing is high and the degree of accuracy is high to form advancing.

Description

Paper feeding equipment and paper feeder

Technical Field

The utility model relates to a corrugated paper manufacture equipment field specifically is a equipment of form advancing and paper feeder is related to.

Background

The corrugated paper is usually processed by a die-cutting machine, wherein the die-cutting machine applies a certain pressure by a steel knife, a hardware die and a steel wire through a knife pressing plate to roll and cut a printed product or a paperboard into a certain shape; is an important device for processing and forming the printed package; when a traditional die cutting machine works, feeding of the processed paperboard is usually manually carried out, the mode is extremely low in efficiency, and the problem that the finished product processed by the die cutting machine is not qualified due to inaccurate feeding of the paperboard often occurs; in the prior art, mechanical equipment is adopted to perform paper feeding operation of the die-cutting machine, but the problems of low paper feeding speed, insufficient paper feeding stability and low paper feeding accuracy generally exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paper feeding equipment and paper feeder. The paper feeding device has the characteristics of high paper feeding speed, high paper feeding stability and high paper feeding accuracy.

In order to achieve the purpose, the utility model provides a following technical scheme:

a paper feeding device comprises a first stand, a first support and a roller, wherein the first support is rotatably connected to the first stand through the roller, one end of the roller is connected with a first driving unit, and the first driving unit is used for driving the first support to turn over;

a plurality of conveying belts are arranged on the first stand and driven by a second driving unit;

the two sides of the first support are both connected with moving seats in a sliding manner, the two moving seats are connected with the same first transmission rod in a rotating manner, a first gear is sleeved on the first transmission rod, a rack is arranged on the first support, and the first gear is meshed with the rack;

the two moving seats are also connected with the same cross bar, and the cross bar is detachably connected with a plurality of first rollers and a plurality of second rollers;

the first roller and the second roller form a conveying gap with the conveyor belt.

Furthermore, first gear is all overlapped at first transfer line both ends, first gear and rack meshing, first transfer line passes through manual wheel drive.

Furthermore, a plurality of second supports are arranged on the cross rod, one ends, far away from the rolling shaft, of the second supports are detachably connected with the first roller seats, one ends, close to the rolling shaft, of the second supports are detachably connected with the second roller seats, two sides of the first roller seats are detachably connected with the first rollers, and two sides of the second roller seats are detachably connected with the second rollers.

Furthermore, the first roller is a brush wheel, and the second roller is a rubber wheel.

The utility model provides a paper feeder, includes the aforesaid the paper feeding equipment, still include second pallet, cardboard bracket, conveyor, press paper roller assembly and adsorption paper feeding unit, the cardboard bracket is located conveyor's paper feed mouth and sliding connection are on the second pallet, the paper feeding equipment set up in conveyor's exit slot, press paper roller assembly to rotate to be connected on first pallet, adsorption paper feeding unit fixed connection is in the one end of first pallet, press paper roller assembly and connect the one side at adsorption paper feeding unit.

Furthermore, the paper pressing roller assembly comprises a plurality of roller devices and a fixed rod, and the roller devices are connected to the fixed rod; the roller device comprises a base, an embedding part, a third roller, a screw and a first spring, wherein the base is connected with the middle part of the embedding part through a pin shaft, the embedding part is located at the first side of the base, a connecting plate is arranged on the top of the rear side of the base and extends outwards from the first side, a screw positioning hole is formed in the connecting plate, a through hole is formed in the first end of the embedding part, the third roller is connected with the second end of the embedding part, the screw penetrates through the through hole and is in threaded connection with the screw positioning hole, the diameter of the through hole is larger than that of the screw, the first spring is sleeved on the screw, the first spring is compressed, and the two ends of the first spring respectively abut against the first end of the embedding part and the connecting plate.

Further, the base is further provided with an opening, the opening is sleeved on the fixing rod, a connecting block is arranged at the bottom of the opening, and the connecting block is connected with the opening through a screw.

Furthermore, the paper feeding device comprises a base, a third support, a fourth support, a first lifting device and a second lifting device, one end of the base is connected with the third support, the other end of the base is connected with the fourth support, the third support is connected with the first lifting device, the fourth support is connected with the second lifting device, the first lifting device is connected with the second lifting device through a second transmission rod, one side of the first lifting device is connected with a third driving unit, and the third driving unit is used for driving the first lifting device to lift and the second transmission rod to rotate;

a paper feeding roller is arranged above the base, one end of the paper feeding roller is connected with a third support, the other end of the paper feeding roller is connected with a fourth support, a paper pressing roller is arranged above the paper feeding roller, one end of the paper pressing roller is connected with a first lifting device, the other end of the paper pressing roller is connected with a second lifting device, and a transmission gap is formed between the paper feeding roller and the paper pressing roller;

the third support and the fourth support are respectively provided with a groove, the first lifting device and the second lifting device respectively comprise a first lifting seat, a second lifting seat, a fixed plate, a transmission case, a pin shaft and a threaded cap, the first lifting seat is connected with the grooves in a sliding mode, the second lifting seat is fixedly connected to the top of the first lifting seat, the fixed plate is fixedly connected to the tops of the third support and the fourth support, the transmission case is connected to the top of the fixed plate, and the pin shaft penetrates through the transmission case and the fixed plate in sequence and is movably connected with the second lifting seat;

the hinge pin comprises a first round shaft section, a second round shaft section and a third round shaft section, the first round shaft section is connected with the top of the second round shaft section, the third round shaft section is connected with the bottom of the second round shaft section, a first key groove and a sliding key are arranged on the second round shaft section, the sliding key is detachably connected onto the first key groove, a second key groove is formed in the transmission box, the second key groove is connected with the sliding key in a matched mode, an external thread is arranged on the first round shaft section and connected with a threaded cap in a threaded transmission mode, a chassis is arranged at the bottom of the third round shaft section, and the diameter of the chassis is larger than that of a through hole of the second lifting seat.

Further, the pot head that is close to the third support of roll of form advancing is equipped with the second gear, the pot head that the dancer roll is close to the third support is equipped with the third gear, one side of second gear is equipped with the fourth gear, one side of fourth gear is equipped with the fifth gear, second gear and fourth gear meshing, fourth gear and fifth gear meshing, fifth gear and third gear meshing, be equipped with a plurality of fourth gyro wheels on the roll of form advancing, be equipped with a plurality of fifth gyro wheels on the dancer roll, the fourth gyro wheel forms the transfer nip with the fifth gyro wheel.

Furthermore, an accommodating space for accommodating the chassis exists between the first lifting seat and the second lifting seat, the height of the accommodating space is larger than the thickness of the chassis, the fixed plate is arranged above the second lifting seat, the pin shaft is sleeved with a second spring, the second spring is compressed, and two ends of the second spring respectively abut against the bottom of the fixed plate and the top of the second lifting seat.

The utility model provides a paper feeding equipment and paper feeder compares and has following beneficial effect in prior art:

the utility model relates to a paper feeding equipment installs first gyro wheel and second gyro wheel through detachably for the quantity of first gyro wheel and second gyro wheel can be according to the big or small free regulation of corrugated paper, if when the corrugated paper is great, the mountable is more the second gyro wheels, and the frictional force through the second gyro wheel prevents to skid, can be better compress tightly the corrugated paper, and when the corrugated paper is less, the quantity of reducible second gyro wheel saves the cost. Similarly, the number of the first rollers can be adjusted at will according to the size of the corrugated paper; because the first gear on the first transmission rod is meshed with the rack, the manual wheel can be manually adjusted to enable the first transmission rod to rotate, so that the movable seat is driven to move on the rack, the cross rod can move along with the rack, the positions of the first roller and the second roller can be adjusted at will, and the compression and the transmission can be better realized; because the one end of roller bearing is connected with first drive unit, first drive unit can drive first support upset, and the convenience is improved to convenient maintenance or dismantlement and installation first gyro wheel and second gyro wheel.

The paper feeder has the characteristics of high paper feeding speed, high paper feeding stability and high paper feeding accuracy by arranging the paper feeding equipment.

Drawings

Fig. 1 is a schematic structural view of a paper feeding apparatus of the present invention 1;

fig. 2 is a schematic structural view of the paper feeding apparatus of the present invention 2;

FIG. 3 is a schematic view of the structure of the paper feeder of the present invention;

FIG. 4 is a schematic structural view of a middle platen roller assembly according to the present invention;

FIG. 5 is a schematic structural view of a roller device in the middle platen roller assembly according to the present invention;

fig. 6 is an exploded view of a roller device in the middle platen roller assembly of the present invention;

fig. 7 is a schematic structural view of the paper feeding device of the present invention;

FIG. 8 is a partial exploded view of the paper feeding device of the present invention;

fig. 9 is a cross-sectional view of a second lifting device in the paper feeding device of the present invention;

fig. 10 is a schematic view of the pin structure of the paper feeding device of the present invention;

fig. 11 is a partial enlarged view of a portion a in fig. 9.

[ description of reference ]

1-a first stand, 101-a conveyor belt,

2-first bracket, 201-rack, 202-moving seat, 203-first transmission rod, 204-first gear, 205-manual wheel, 206-cross bar, 207-second bracket, 2071-first roller seat, 20711-first roller, 2072-second roller seat, 20721-second roller,

3-rolling shaft, 4-first driving unit, 5-second driving unit, 6-second stand, 7-paperboard bracket and 8-conveying device,

9-roller device, 91-base, 911-connecting plate, 9111-screw positioning hole, 912-opening, 913-connecting block, 92-embedding part, 921-through hole, 93-third roller, 94-screw, 95-first spring, 96-first pin shaft, 10-fixing rod and 11-connecting head,

12-a base, 13-a third bracket, 14-a fourth bracket, 141-a groove and 15-a first lifting device,

16-a second lifting device, 161-a first lifting seat, 162-a second lifting seat, 163-a fixed plate, 164-a transmission case, 165-a second pin shaft, 1651-a first circular shaft section, 1652-a second circular shaft section, 16521-a first key groove, 1653-a third circular shaft section, 16531-a chassis, 166-a screw cap, 167-a second spring, 168-a containing space and 169-a movable gap,

17-second transmission rod, 18-third driving unit, 19-paper feeding roller, 20-paper pressing roller, 21-second gear, 22-third gear, 23-fourth gear, 24-fifth gear, 25-fourth roller and 26-fifth roller.

Detailed Description

The present invention will be described in detail with reference to the following specific examples.

As shown in fig. 1-2, a paper feeding apparatus includes a first stand 1, a first support 2 and a roller 3, wherein the first support 2 is rotatably connected to the first stand 1 through the roller 3, one end of the roller 3 is connected to a first driving unit 4, the first driving unit 4 is configured to drive the first support 2 to turn over, and the first driving unit 4 is an air cylinder;

a plurality of conveyor belts 101 are arranged on the first stand 1, the conveyor belts 101 are driven by a second driving unit 5, and the second driving unit 5 is a motor;

the two sides of the first support 2 are both provided with a rack 201 and moving seats 202, the two moving seats 202 are rotatably connected with a same first transmission rod 203, two ends of the first transmission rod 203 are both sleeved with first gears 204, the first gears 204 are meshed with the rack 201, and the first transmission rod 203 is driven by a manual wheel 205;

the two moving seats 202 are further connected with the same cross bar 206, the cross bar 206 is provided with a plurality of second supports 207, one end, far away from the roller 3, of each second support 207 is detachably connected with a first roller seat 2071, one end, close to the roller 3, of each second support 201 is detachably connected with a second roller seat 2072, two sides of each first roller seat 2071 are detachably connected with first rollers 20711, the first rollers 20711 are installed on the first roller seats 2071 through screws, the heights of the first rollers 20711 can be adjusted through the screws to enable the first rollers to be suitable for the thicknesses of different corrugated paper, two sides of each second roller seat 2072 are detachably connected with second rollers 20721, the second rollers 20721 are installed on the second roller seats 2072 through the screws, and the heights of the second rollers 20721 can be adjusted through the screws to enable the second rollers to be suitable for the thicknesses of different corrugated paper; the first roller 20711 and the second roller 20721 form a conveying gap with the conveyor belt 101, the first roller 20711 is a brush wheel, and since the first roller 20711 is far away from the roller 3, the friction force of the first roller 20711 to the corrugated paper can be reduced by setting the first roller 20711 as the brush wheel, so that the first roller 20711 is easy to slip, and the corrugated paper can be conveyed to an external die cutting machine for processing more quickly; second gyro wheel 20721 is the rubber tyer, because second gyro wheel 20721 is close to roller shaft 3, through establishing second gyro wheel 20721 into the rubber tyer, can increase frictional force, prevents that corrugated paper transmission process from skidding, improves the stationarity of form advancing and the degree of accuracy of form advancing.

By detachably mounting the first roller 20711 and the second roller 20721, the number of the first roller 20711 and the second roller 20721 can be freely adjusted according to the size of the corrugated paper, for example, when the corrugated paper is large, more second rollers 201721 can be mounted, the slip can be prevented by the friction force of the second rollers 201721, the corrugated paper can be better pressed, when the corrugated paper is small, the number of the second rollers 201721 can be reduced, and the cost can be saved. Similarly, the number of the first rollers 20711 can be adjusted at will according to the size of the corrugated paper; because the first gear 204 on the first transmission rod 203 is meshed with the rack 201, the first transmission rod 203 can be rotated by manually adjusting the manual wheel 205, and then the movable seat 202 is driven to move on the rack, so that the cross bar 206 can move along with the movement, the positions of the first roller 20711 and the second roller 20721 can be adjusted at will, and the compression and the transmission can be better realized; because the one end of roller bearing 3 is connected with first drive unit 4, first drive unit 4 can drive the upset of first support 2, and convenient maintenance or dismantlement and installation first gyro wheel 20711 and second gyro wheel 20721 improve the convenience.

As shown in fig. 3, a paper feeder includes foretell adsorption paper feeding equipment, still includes second pallet 6, cardboard bracket 7, conveyor 8, press paper roller assembly and adsorption paper feeding device, cardboard bracket 7 is located conveyor 8's paper feed mouth and sliding connection are on second pallet 6, adsorption paper feeding equipment set up in conveyor 8's exit slot, press paper roller assembly to rotate to connect on first pallet 1, adsorption paper feeding device fixed connection is in the one end of first pallet 1, press paper roller assembly connects the one side at adsorption paper feeding device.

The cardboard carrier and the transport device in this embodiment are prior art and will not be described in detail here. Specifically, refer to chinese patent 201810590059.9.

As shown in fig. 4-6, the platen roller assembly includes a plurality of roller devices 9 and a fixing rod 10, wherein the roller devices 9 are connected to the fixing rod 10; the roller device 9 comprises a base 91, an embedding part 92, a third roller 93, a screw 94 and a first spring 95, wherein the base 91 is connected with the middle part of the embedding part 92 through a first pin shaft 96, the embedding part 92 is positioned on the first side of the base 91, a connecting plate 911 is arranged on the top of the rear side of the base 91 and extends outwards from the first side, a screw positioning hole 9111 is arranged on the connecting plate 911, a through hole 921 is arranged at the first end of the embedding part 92, the second end of the embedding part 92 is connected with the third roller 93, the screw 94 penetrates through the through hole 921 and is in threaded connection with the screw positioning hole 9111, the diameter of the through hole 921 is larger than that of the screw 94, the screw 94 is not fixed by the through hole 921 by setting the diameter of the through hole 921, when the first spring 95 generates elastic force, the embedding part 92 can move on the screw 94, so as to drive the third roller 93 to ascend or descend, the thickness of adaptation paper is better.

The first spring 95 is sleeved on the screw 94, the first spring 95 is compressed, two ends of the first spring respectively abut against the first end of the embedded part 92 and the connecting plate 911, and the lowest point of the third roller 93 is adjusted by screwing the screw 94 to adapt to paper with different thicknesses.

The scarf joint part 92 is connected with the base 91 through the first pin shaft 96, the scarf joint part 92 can rotate freely through the first pin shaft 96, the screw 94 is sleeved with the first spring 95, the first spring 95 is compressed, two ends of the first spring are respectively abutted against the first end and the connecting plate 911 of the scarf joint part 92, when paper is conveyed outside excessively or the thickness of the paper is excessively high, the paper can jack up the third roller 93, at the moment, certain force can be applied to the third roller 93 due to the elastic action of the first spring 95, and the third roller 93 can still realize the compression of the paper. By providing a plurality of roller means 9 on the fixing bar 10, cooperation with a plurality of conveyor belts 101 can be achieved.

The base 91 is further provided with an opening 912, the opening 912 is sleeved on the fixing rod 10, a connecting block 913 is arranged at the bottom of the opening 912, the connecting block 913 is connected with the opening 912 through a screw, and the roller device 9 can be stably connected onto the fixing rod 10 through the connecting block 913 at the bottom of the opening 912.

Dead lever 10 is the square, opening 912 and dead lever 10 accordant connection establish dead lever 10 into the square, compare in the cylinder and have better stability, fixed roller device 9 that can be better avoids in the use, and roller device 9 slides on dead lever 10.

The dead lever 10 both ends all are equipped with connector 11, connector 11 is the cylinder, and connector 11 is used for being connected dead lever 10 and first pallet 1, establishes connector 11 into the cylinder, can conveniently rotate for whole pressure paper gyro wheel assembly can rotate, and all third gyro wheels 93 adjust the height together, scarf joint portion 92 is the L type, and third gyro wheel 93 is the rubber tyer, and rubber tyer frictional force is great, can prevent that third gyro wheel 93 from skidding, realizes better compressing tightly to the paper.

The working principle of the paper pressing roller assembly is as follows: corrugated paper passes through outer conveyor 8 and conveys roller device 9 below, and a plurality of roller device 9 can realize compressing tightly the corrugated paper, make it better contact with conveyer belt 101, are favorable to the conveying of corrugated paper. When the thickness of corrugated paper is higher, the corrugated paper pushes up third gyro wheel 93, because the elastic force effect of first spring 95, can exert certain dynamics to third gyro wheel 93 for third gyro wheel 93 still can realize compressing tightly the paper, better realization is to the conveying of corrugated paper. Similarly, when the number of the corrugated paper conveyed is too large, the first spring 95 in the roller device 9 also generates an elastic force, and applies a certain force to the third roller 93, so that the third roller 93 can still compress the paper. Of course, the conveying quantity of the corrugated paper can not exceed two at most due to the setting of mechanical equipment.

As shown in fig. 7 to 11, the paper feeding device includes a base 12, a third bracket 13, a fourth bracket 14, a first lifting device 15 and a second lifting device 16, one end of the base 12 is connected to the third bracket 13, the other end of the base 12 is connected to the fourth bracket 14, the third bracket 13 is connected to the first lifting device 15, the fourth bracket 14 is connected to the second lifting device 16, the first lifting device 15 is connected to the second lifting device 16 through a second transmission rod 17, one side of the first lifting device 15 is connected to a third driving unit 18, the third driving unit 18 is used for driving the first lifting device 15 to lift and the second transmission rod 17 to rotate, the first lifting device 15 is driven to operate by activating the third driving unit 18, and at the same time, the second transmission rod 17 is also driven to rotate, since the second transmission rod 17 is connected to the second lifting device 16, when the second transmission lever 17 is driven, the second lifting device 16 can also be operated. In this embodiment, the third driving unit 18 is a conventional driving unit, as long as the driving of the lifting device and the second transmission rod 17 can be realized, and the third driving unit 18 selected in this embodiment is a motor;

a paper feeding roller 19 is arranged above the base 12, one end of the paper feeding roller 19 is connected with the third support 13, the other end of the paper feeding roller 19 is connected with the fourth support 14, a paper pressing roller 20 is arranged above the paper feeding roller 19, one end of the paper pressing roller 20 is connected with the first lifting device 15, the other end of the paper pressing roller 20 is connected with the second lifting device 16, the paper feeding roller 19 and the paper pressing roller 20 form a transmission gap, and the first lifting device 15 and the second lifting device 16 are used for realizing the lifting of the paper pressing roller 20, so that the size of the gap between the paper pressing roller 20 and the paper feeding roller 19 can be adjusted at will, and the transmission of corrugated paper with different thicknesses is met;

the third support 13 and the fourth support 14 are respectively provided with a groove 141, the first lifting device 15 and the second lifting device 16 respectively comprise a first lifting seat 161, a second lifting seat 162, a fixing plate 163, a transmission box 164, a second pin 165 and a threaded cap 166, the first lifting seat 161 is slidably connected with the groove 141, the second lifting seat 162 is fixedly connected with the top of the first lifting seat 161, the fixing plate 163 is fixedly connected with the tops of the third support 13 and the fourth support 14, the transmission box 164 is connected with the top of the fixing plate 163, and the second pin 165 sequentially penetrates through the transmission box 164 and the fixing plate 163 and then is movably connected with the second lifting seat 162;

the second pin 165 includes a first circular shaft section 1651, a second circular shaft section 1652, and a third circular shaft section 1653, the first circular shaft section 1651 is connected with the top of the second circular shaft section 1652, the third circular shaft section 1653 is connected with the bottom of the second circular shaft section 1652, the second circular shaft section 1652 is provided with a first key slot 16521 and a sliding key (not shown in the drawings), the sliding key is detachably connected with the first key slot 16521, the transmission box 164 is internally provided with a second key slot, the second key slot is connected with the sliding key in a matching manner, the second pin 165 can be driven to rotate by the transmission box 164 by providing the first key slot 16521 and the sliding key on the second circular shaft section 1652, the first circular shaft section 1651 is provided with an external thread, the external thread is in threaded transmission connection with the threaded cap 166, when the second pin 165 rotates, the second pin 165 is lifted and the bottom of the third circular shaft section 1653 is provided with a chassis 16531, the diameter of the base plate 16531 is greater than the diameter of the through hole of the second lifting seat 162, and when the second pin 165 is lifted, the diameter of the base plate 16531 is greater than the diameter of the through hole of the second lifting seat 162, so that the base plate 16531 can pull up the second lifting seat 162 to drive the second lifting seat 162 to ascend, and further drive the first lifting seat 161 to ascend.

The transmission case that indicates in this application includes power input end, first power take off and second power take off, and power input end is used for being connected with the third drive unit. Through a transmission structure in the transmission box, the output rotating speed of the first power output end can be consistent with that of the third driving unit, the first power output end is used for being connected with a second transmission rod, and the second transmission rod is connected with the first power output end of the other transmission box, so that the first lifting device and the second lifting device synchronously move; and the second power output end is used for being in transmission connection with the second pin shaft, and the output speed of the second power output end is lower than the output rotating speed of the third driving unit through a transmission structure in the transmission box, so that the second pin shaft rotates at a low speed.

Feed roller 19's an pot head that is close to third support 13 is equipped with second gear 21, a pot head that paper pressing roller 20 is close to third support 13 is equipped with third gear 22, one side of second gear 21 is equipped with fourth gear 23, one side of fourth gear 23 is equipped with fifth gear 24, second gear 21 closes with fourth gear tooth 23, fourth gear 23 and fifth gear 24 meshing, fifth gear 24 and third gear 22 meshing, through second gear 21, third gear 22, fourth gear 23 and fifth gear 24 mutually support, like this, when driving feed roller 19 through second drive unit 5 and rotate, through the transmission of second gear 21, third gear 22, fourth gear 23 and fifth gear 24, make paper pressing roller 20 also rotate to the realization is to the conveying of corrugated paper. Of course, based on the gear transmission feature, in this embodiment, the platen roller 20 cannot be raised or lowered too much, and the third gear 22 should be kept in mesh with the fifth gear 24 after the platen roller 20 is raised or lowered.

Be equipped with a plurality of fourth gyro wheels 25 on the paper feed roller 19, be equipped with a plurality of fifth gyro wheels 26 on the dancer roll 20, fourth gyro wheel 25 forms the conveying clearance with fifth gyro wheel 26, fourth gyro wheel 25 and fifth gyro wheel 26 are the rubber pulley, adopt the rubber pulley with fourth gyro wheel 25 and fifth gyro wheel 26, can increase frictional force, prevent that corrugated paper data transfer process from skidding.

The middle part of the first lifting seat 161 is provided with a through hole, and the paper pressing roller 20 is rotatably connected with the through hole.

An accommodating space 168 for accommodating the chassis 16531 is formed between the first lifting seat 161 and the second lifting seat 162, the height of the accommodating space 168 is larger than the thickness of the chassis 16531, the fixing plate 163 is arranged above the second lifting seat 162, a second spring 167 is sleeved on the second pin shaft 165, the second spring 167 is compressed, and two ends of the second spring 167 respectively abut against the bottom of the fixing plate 163 and the top of the second lifting seat 162. By providing the second spring 167, the top of the base plate 16531 is made to abut against the bottom of the second lifting seat 162, and a movable gap 169 is provided between the bottom of the base plate 16531 and the top of the first lifting seat 161, the movable gap 169 is to enable the first lifting seat 161 to slightly rise a certain distance if necessary, and if necessary, when two stacked corrugated papers enter the conveying gap at the same time, if the first lifting seat 161 cannot rise, that is, the paper pressing roller 20 cannot rise, the corrugated papers are crushed by the conveying gap with a fixed distance, and the corrugated papers are discarded.

The second lifting seat 162 has a step-shaped structure.

The working principle of the paper feeding device is as follows: the third driving unit 18 is started, the third driving unit 18 drives the first lifting device 15 to operate, the second transmission rod 17 drives the second lifting device 16 to operate, and the working principles of the first lifting device 15 and the second lifting device 16 are as follows: the transmission box 164 drives the second pin shaft 165 to rotate through the matching of the key groove and the sliding key, after the second pin shaft 165 rotates, the second pin shaft 165 moves up and down through the matching of the external thread of the first round shaft section 1651 and the threaded cap 166, and when the second pin shaft 165 moves up and down, the first lifting seat 161 and the second lifting seat 162 are driven to move up and down together, so that the paper pressing roller 20 is driven to lift, and the transmission gap between the paper feeding roller 19 and the paper pressing roller 20 is suitable for the thickness of corrugated paper.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The paper feeding device is characterized by comprising a first stand, a first support and a roller, wherein the first support is rotatably connected to the first stand through the roller;

2. The paper feeding apparatus as claimed in claim 1, wherein the first driving lever is sleeved with first gears at both ends thereof, the first gears are engaged with the rack, and the first driving lever is driven by a manual wheel.

3. The paper feeding apparatus as claimed in claim 1, wherein the cross bar is provided with a plurality of second brackets, one end of the second bracket far from the roller is detachably connected with the first roller seat, one end of the second bracket near the roller is detachably connected with the second roller seat, two sides of the first roller seat are detachably connected with the first roller, and two sides of the second roller seat are detachably connected with the second roller.

4. The apparatus as claimed in claim 1, wherein said first roller is a brush wheel and said second roller is a rubber wheel.

5. A paper feeder, comprising the paper feeder of any one of claims 1-4, further comprising a second stand, a paper board bracket, a conveying device, a platen roller assembly and a paper feeder, wherein the paper board bracket is located at a paper inlet of the conveying device and is slidably connected to the second stand, the paper feeder is arranged at a paper outlet of the conveying device, the platen roller assembly is rotatably connected to the first stand, the paper feeder is fixedly connected to one end of the first stand, and the platen roller assembly is connected to one side of the paper feeder.

6. The paper feeder of claim 5, wherein the platen roller assembly includes a plurality of roller means and a fixed bar, the roller means being attached to the fixed bar; the roller device comprises a base, an embedding part, a third roller, a screw and a first spring, wherein the base is connected with the middle part of the embedding part through a pin shaft, the embedding part is located at the first side of the base, a connecting plate is arranged on the top of the rear side of the base and extends outwards from the first side, a screw positioning hole is formed in the connecting plate, a through hole is formed in the first end of the embedding part, the third roller is connected with the second end of the embedding part, the screw penetrates through the through hole and is in threaded connection with the screw positioning hole, the diameter of the through hole is larger than that of the screw, the first spring is sleeved on the screw, the first spring is compressed, and the two ends of the first spring respectively abut against the first end of the embedding part and the connecting plate.

7. The paper feeding machine as claimed in claim 6, wherein the base further has an opening, the opening is sleeved on the fixing rod, and a connecting block is provided at the bottom of the opening and connected to the opening by a screw.

8. The paper feeder according to claim 5, wherein the paper feeder comprises a base, a third bracket, a fourth bracket, a first lifting device and a second lifting device, one end of the base is connected with the third bracket, the other end of the base is connected with the fourth bracket, the third bracket is connected with the first lifting device, the fourth bracket is connected with the second lifting device, the first lifting device is connected with the second lifting device through a second transmission rod, one side of the first lifting device is connected with a third driving unit, and the third driving unit is used for driving the first lifting device to lift and the second transmission rod to rotate;

9. The paper feeding machine as claimed in claim 8, wherein a second gear is provided on an end of the paper feeding roller adjacent to the third bracket, a third gear is provided on an end of the paper pressing roller adjacent to the third bracket, a fourth gear is provided on one side of the second gear, a fifth gear is provided on one side of the fourth gear, the second gear is engaged with the fourth gear, the fourth gear is engaged with the fifth gear, the fifth gear is engaged with the third gear, a plurality of fourth rollers are provided on the paper feeding roller, a plurality of fifth rollers are provided on the paper pressing roller, and a conveying gap is formed between the fourth rollers and the fifth rollers.

10. The paper feeding machine as claimed in claim 9, wherein a space for accommodating the chassis is formed between the first lifting seat and the second lifting seat, the height of the space is greater than the thickness of the chassis, the fixing plate is disposed above the second lifting seat, the pin is sleeved with a second spring, the second spring is compressed, and two ends of the second spring respectively abut against the bottom of the fixing plate and the top of the second lifting seat.