CN116969222B

CN116969222B - Printer paper feeder

Info

Publication number: CN116969222B
Application number: CN202311215842.4A
Authority: CN
Inventors: 刘成杰; 张雷; 史凯民
Original assignee: Lianyungang Shuangcheng Information Technology Co ltd
Current assignee: Lianyungang Shuangcheng Information Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2023-12-08
Anticipated expiration: 2043-09-20
Also published as: CN116969222A

Abstract

The application relates to the technical field of printing equipment and discloses a printer paper feeder which mainly comprises a storage piece, a drawing piece, an inclined supporting plate, a suction cylinder, a gas blowing hole and a gas transmission mechanism, wherein the drawing piece is arranged inside the storage piece, the drawing piece consists of a sliding plate and a blocking piece, the inclined supporting plate is arranged on the upper side surface of the sliding plate, the suction cylinder is arranged inside the storage piece, the gas blowing hole is formed inside the blocking piece, the gas transmission mechanism is arranged inside the blocking piece, and the gas blowing hole is communicated with the gas transmission mechanism and a paper feeding channel. According to the application, the paper is driven to move by using friction force and negative pressure suction force, in the process, the front end of the paper is driven by the suction cylinder to tilt upwards, and then the air hole conveys air to the lower side surface of the tilted paper, so that the air enters between the paper and the lower layer of paper, the distance between the paper and the lower layer of paper is further increased, the friction resistance born by the single paper during movement is reduced, and the probability that the working efficiency of the printer is affected is further reduced.

Description

Printer paper feeder

Technical Field

The application relates to the technical field of printing equipment, in particular to a printer paper feeder.

Background

The self-service report machine is a common batch printing device, the core component of the self-service report machine is a printer, the printer is one of output devices of a computer and is used for printing a computer processing result on paper, wherein when the printer is used, a paper feeder is generally used for conveying the paper to a printing mechanism, and then the printing work is smoothly carried out.

The existing paper feeder of some printers mainly comprises a storage part, a drawing part, an inclined supporting plate, a rubbing cylinder (rubber material) and a paper separating part, when in use, stacked paper is placed on the drawing part and the inclined supporting plate, then the drawing part is placed in the storage part, then the rubbing cylinder is rotated and contacted with the paper, and the paper is driven to pass through a paper outlet in the storage part by friction force between the rubbing cylinder and the paper, so that the paper enters a subsequent printing mechanism, and the paper conveying operation is realized by the actions.

In the prior art, the friction force between the paper sheets is larger than the friction force between the paper sheets by arranging the paper separation parts (rubber blocks) on the moving paths of the paper sheets so that the paper separation parts can block the paper sheets which are not in direct contact with the paper sheets, but when the paper sheets are only driven to move by the paper sheets, the paper separation parts still contact the paper sheets, so that the paper sheets are subjected to opposite acting force exerted by the paper sheets and the paper separation parts, the conveying efficiency of the paper sheets is affected, the working efficiency of the printer is affected, and meanwhile, when the paper sheets are driven by the paper sheets to move by the paper sheets, the condition that the lowest paper sheets are in full or large-area contact with the paper separation parts is easy to occur, so that the contact area between the paper separation parts and the rest paper sheets is reduced, and the paper separation parts can block only a small amount of moving paper sheets, thereby leading to poor paper separation effect.

Disclosure of Invention

The application provides a printer paper feeder which has the advantages of reducing the resistance of single paper and improving the paper separating effect and is used for solving the problems that the working efficiency of a printer is affected and the paper separating effect is poor.

In order to achieve the above purpose, the application adopts the following technical scheme: a printer paper feeder comprising: report machine, storage piece, the inside of reporting machine is provided with the storage piece, the inner chamber of storage piece is provided with the pull piece, the pull piece comprises slide and barrier piece, the slide forms movable joint with the inner chamber of storage piece, the upside of slide is fixed with the barrier piece, the transport paper passageway is constituteed jointly with the storage piece to the upside of barrier piece, the paper outlet has been seted up to the inside of storage piece, the upside of slide is fixed with the baffle, the upside of slide is provided with the diagonal bracing plate, one side and the slide of diagonal bracing plate are articulated, the opposite side and the side sliding connection of barrier piece of diagonal bracing plate, the diagonal bracing plate bears the stack paper jointly with the slide, the position between diagonal bracing plate and the slide is provided with the elastic component, diagonal bracing plate and slide are connected respectively to the both ends of elastic component, the inside of storage piece and the upside position that is located the diagonal bracing plate are provided with the suction tube, attract and drive the uppermost layer paper that becomes the stack through the suction tube and remove, the inside fixed mounting of storage piece has output shaft, the suction tube forms the transport mechanism with the transport air vent, the transport mechanism and the inside of gas vent has been seted up.

Further, the suction cylinder comprises barrel, gas pocket, air extraction mechanism, swivel and pivot, the barrel sets up in the inside of receiver and is located the upside position of diagonal brace, the gas pocket has been seted up to the inside of barrel, one side of barrel is provided with air extraction mechanism, the environment in the outside of gas pocket intercommunication air extraction mechanism and barrel, the swivel has been cup jointed in air extraction mechanism's the outside, the one end of swivel forms the rotation with one side of barrel and is connected, the other end and the receiver of swivel form and rotate and be connected, the opposite side fixed mounting of barrel has the pivot, power unit's output shaft and pivot form fixed connection.

Further, the width value of the baffle is larger than the width value of the stacked sheets, and the height value of the baffle is larger than the height value of the stacked sheets.

Further, the sliding cavity is formed in the sliding plate and corresponds to the position of the inclined supporting plate, the sliding block is movably mounted in the sliding cavity, the telescopic rod is arranged in the sliding plate and located at the position, facing the blocking piece, of the sliding cavity, the output rod of the telescopic rod is fixedly connected with the sliding block, the pull rope is arranged at the lower side of the inclined supporting plate, the upper end of the pull rope is fixedly connected with the lower side face of the inclined supporting plate, and the lower end of the pull rope is fixedly connected with the sliding block.

Further, the surface of the cylinder body is made of rubber materials.

Further, the upper side of the blocking piece is rotatably provided with a reverse rubbing barrel, and a space exists between the reverse rubbing barrel and the containing piece.

Further, the inside of blocking piece and the position that is located between gas vent and the bracing board have seted up the change groove, the impeller is installed to the change inslot rotation, the circumference side of impeller and the inner wall of change groove, the inner wall of gas vent all form sealed swing joint, the surface of back rubbing barrel is the rubber materials setting, the inside of blocking piece is provided with the conveyer belt, the impeller forms transmission connection with back rubbing barrel through the conveyer belt.

The application has the following beneficial effects:

according to the printer paper feeder provided by the application, through the arrangement of the suction cylinder and the air blowing hole, the paper is driven to move by utilizing the friction force between the suction cylinder and the paper and the negative pressure suction force generated by the suction cylinder, in the process, the suction cylinder can drive the front end of the paper to tilt upwards, and then the air blowing hole conveys air to the lower side surface of the tilted-up paper, so that the air enters between the paper and the lower layer paper, the distance between the paper and the lower layer paper is further promoted to be increased, and the friction resistance born by the single paper during movement is reduced by the action, so that the probability of influencing the working efficiency of the printer is further reduced.

Through the setting of suction cylinder and gas blowing hole, because the suction cylinder only produces suction to the paper of topside, simultaneously, the gas blowing hole is to carrying air between the paper of topside and the lower floor for this air can produce supporting role to both, on the one hand, this air makes the contact force between the paper of topside and the suction cylinder increase, make the suction cylinder increase the driving force of uppermost layer paper, and then reduce the probability that printer work efficiency receives the influence, on the other hand, make the laminating power increase between the lower floor's paper, make the lower floor's paper keep motionless, through above-mentioned action, and then improve the paper effect of dividing.

Through the setting of slider, stay cord and diagonal bracing board, at the in-process that the suction tube drove paper removal, the slider pulling stay cord for the stay cord drives diagonal bracing board and deflects downwards, makes the stack paper of placing on the diagonal bracing board move downwards, through above-mentioned action, and then further increase the interval between the uppermost layer paper and the lower floor's paper, makes the paper effect of separating further improve.

Through setting up of diagonal bracing board and barrier, after the diagonal bracing board drives the stack paper and moves down, the removal of lower floor's paper can receive the barrier, through above-mentioned action, and then further improves the paper effect of dividing.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall structure of the present application;

FIG. 2 is a schematic view illustrating an internal structure of a receiving member according to a first embodiment of the present application;

FIG. 3 is a schematic view of the structure of a middle suction barrel according to the first embodiment of the present application;

FIG. 4 is a schematic view illustrating an internal structure of a receiving member according to a second embodiment of the present application;

fig. 5 is an enlarged schematic view of a portion of the structure of fig. 4 a in accordance with the present application.

1. A storage member; 2. a drawing member; 20. a slide plate; 21. a blocking member; 3. a paper outlet; 4. a baffle; 5. a diagonal brace plate; 6. an elastic member; 7. a suction tube; 70. a cylinder; 71. air holes; 72. an air extraction mechanism; 73. a swivel; 74. a rotating shaft; 8. a blow hole; 9. a gas delivery mechanism; 10. a sliding cavity; 11. a slide block; 12. a telescopic rod; 13. a pull rope; 14. a rotary groove; 15. an impeller; 16. reversely twisting the cylinder; 17. a conveyor belt.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Example 1: referring to fig. 1, 2 and 3, a paper feeder of a printer includes a receiving member 1, an inner cavity of the receiving member 1 is slidably clamped with a drawing member 2, the drawing member 2 is composed of a sliding plate 20 and a blocking member 21, the sliding plate 20 and the inner cavity of the receiving member 1 form a sliding clamping connection, the blocking member 21 is welded at a right side position of an upper side surface of the sliding plate 20, the upper side surface of the blocking member 21 and the receiving member 1 together form a paper feeding channel, a paper outlet 3 is formed at a right upper side position of the paper feeding channel inside the receiving member 1, a lower side of the paper outlet 3 is communicated with the paper feeding channel, an upper side of the paper outlet 3 is communicated with a printing mechanism (existing equipment), a baffle 4 is welded at a left side position of an upper side surface of the sliding plate 20, a width value of the baffle 4 is larger than a width value of a stacked paper, a height value of the baffle 4 is larger than a height value of the stacked paper, air entering the paper is blocked by the baffle 4, the air entering between the papers is forced to exert supporting force on the papers (the air entering between the papers is blocked by the baffle plate 4 and then flows between the papers, the air generates supporting in corresponding directions on the papers on the upper side and the lower side by the flowing action), the upper side of the sliding plate 20 and the position between the baffle plate 4 and the blocking piece 21 are provided with the inclined supporting plate 5, one side of the inclined supporting plate 5 close to the baffle plate 4 is inclined downwards, one side of the inclined supporting plate 5 close to the baffle plate 4 is hinged with the sliding plate 20, one side of the inclined supporting plate 5 close to the blocking piece 21 is in sliding connection with the side of the blocking piece 21, an elastic piece 6 is arranged between the inclined supporting plate 5 and the sliding plate 20 and used for fixedly connecting the lower side of the inclined supporting plate 5 with the upper side of the sliding plate 20, a suction cylinder 7 is arranged in the storage piece 1 and is positioned above the inclined supporting plate 5, and the suction cylinder 7 is formed by a cylinder 70, the air hole 71, the air extraction mechanism 72, swivel 73 and pivot 74 are constituteed, the barrel 70 sets up in the inside upside position that is located the diagonal brace 5 of receiver 1, the air hole 71 has been seted up to the inside of barrel 70, one side of barrel 70 is provided with air extraction mechanism 72 (like the aspiration pump), air hole 71 intercommunication air extraction mechanism 72 and the environment of barrel 70 circumference outside, swivel 73 has been cup jointed in the outside of air extraction mechanism 72, one end and one side of barrel 70 form the swivelling joint, the other end and the receiver 1 of swivel 73 form swivelling joint, the opposite side welding of barrel 70 has pivot 74, the inside fixed mounting of receiver 1 has power unit (like the motor), power unit's output shaft and pivot 74 form fixed connection, the gas vent 8 has been seted up to the inside of stopper 21, the inside fixed mounting of stopper 21 has gas transmission mechanism 9 (like the fan), one side and the output intercommunication of gas vent 8 and gas transmission mechanism 9, the opposite side and the paper feed passageway intercommunication of gas vent 8, the opposite side port of gas vent 8 inclines to the direction of inhaling barrel 7.

In use, the drawer 2 is pulled out and the stack of sheets is placed on the diagonal strut 5 and the slide 20, so that the diagonal strut 5 deflects downwards and compresses the elastic member 6, during which the part of the stack of sheets on the diagonal strut 5 is inclined upwards and the side of the stack of sheets near the baffle 4 contacts the baffle 4, after which the drawer 2 is placed in the housing 1, so that there is a spacing in millimeters between the uppermost side of the stack of sheets and the suction cylinder 7 (when no sheets are placed, there is also a spacing in millimeters between the diagonal strut 5 and the suction cylinder 7), after which, after the sheets are placed, the gravity of the sheets drives the diagonal strut 5 to deflect downwards, eventually causing there to be a spacing in millimeters between the uppermost side of the stack of sheets and the suction cylinder 7, the thickness of the stack of sheets is unlimited), after which the suction mechanism 72 is operated, the air hole 71 generates negative pressure and attracts the uppermost paper, then the power mechanism is operated, and the paper is driven to move towards the paper feeding channel by utilizing the friction force between the cylinder 70 and the paper and the negative pressure suction force generated by the air hole 71, in the process, the front end of the paper is driven to tilt upwards by the suction cylinder 7, then the air conveying mechanism 9 is operated, so that the air blowing hole 8 conveys air towards the lower side surface of the tilted paper (at the moment, the uppermost paper is positioned at the upper side position of the air blowing hole 8, so that the air discharged from the air blowing hole 8 cannot enter the upper side position of the uppermost paper), the air enters between the paper and the lower paper, the distance between the paper and the paper is further increased, the friction resistance born by the paper is reduced when the single paper moves through the action, the possibility that the working efficiency of the printer is influenced is further reduced, and meanwhile, air between the uppermost layer paper and the lower layer paper is blown to produce supporting effect on the uppermost layer paper and the lower layer paper, on one hand, the contact force between the uppermost layer paper and the suction drum 7 is increased by the air, so that the pushing force of the suction drum 7 to the uppermost layer paper is increased, the probability of influencing the working efficiency of the printer is further reduced, on the other hand, the attaching force between the lower layer paper is increased, the lower layer paper is kept motionless, the paper separating effect is further improved through the action, afterwards, the uppermost layer paper enters the paper outlet 3 along with the continued rotation of the suction drum 7, and then enters the printing mechanism, single conveying operation of the paper is further realized through the action, and in addition, the elastic piece 6 gradually releases elastic force along with the reduction of the paper, so that the uppermost layer paper is always at the same height.

Referring to fig. 2 and 3, a sliding cavity 10 is provided in the sliding plate 20 and corresponding to the position of the diagonal brace 5, a sliding block 11 is slidably mounted in the sliding cavity 10, a telescopic rod 12 (such as a combination of an electric control telescopic cylinder and an output rod in the prior art) is fixedly mounted in the sliding plate 20 and located at a position of the sliding cavity 10 towards one side of the blocking member 21, the output rod of the telescopic rod 12 is welded with the sliding block 11, a pull rope 13 is provided at the lower side of the diagonal brace 5, the upper end of the pull rope 13 is fixedly connected with the lower side of the diagonal brace 5, the lower end of the pull rope 13 extends into the sliding cavity 10 and is fixedly connected with the right side of the sliding block 11, and a vent hole is provided in the interior of the storage member 1 and is communicated with the inner cavity of the storage member 1 and the external environment.

In the process that the air hole 71 attracts paper and the cylinder 70 does not rotate, the telescopic rod 12 is made to operate, so that the telescopic rod 12 drives the sliding block 11 to move left, the sliding block 11 pulls the pull rope 13, the pull rope 13 drives the inclined supporting plate 5 to deflect downwards, the elastic piece 6 is compressed, the part of the stacked paper on the inclined supporting plate 5 moves downwards, the distance between the uppermost layer of paper and the lower layer of paper is further increased through the action, the paper separating effect is further improved, then the height of the lower layer of paper is lower than the height of the upper side surface of the blocking piece 21, the movement of the lower layer of paper is blocked by the blocking piece 21, the paper separating effect is further improved through the action, after paper feeding is finished, the telescopic rod 12 is reset, the elastic piece 6 drives the inclined supporting plate 5 to reset with the paper, and meanwhile, the power mechanism, the air exhausting mechanism 72 and the air conveying mechanism 9 are stopped.

The surface of the cylinder 70 is made of rubber material, so that friction between the cylinder 70 and paper is increased, and the probability of influencing the working efficiency of the printer is further reduced.

Example 2: referring to fig. 2, 4 and 5, the present embodiment is a further improvement of the first embodiment, and the improvement is that: the inside position that lies in between gas hole 8 and inclined strut board 5 of barrier 21 has seted up the change groove 14, change the groove 14 rotation and install impeller 15, the circumference side of impeller 15 and the inner wall of change groove 14, the inner wall of gas hole 8 all forms sealed sliding connection, the upper side rotation of barrier 21 is installed and is rubbed a section of thick bamboo 16 in the back, there is the interval between back and accomodate piece 1 in the back, the surface of back is rubbed a section of thick bamboo 16 and is the rubber material setting, the inside of barrier 21 is provided with conveyer belt 17, one side of conveyer belt 17 cup joints on the connecting axle of back is rubbed a section of thick bamboo 16, the opposite side of conveyer belt 17 cup joints on the connecting axle of impeller 15, impeller 15 passes through conveyer belt 17 and is rubbed a section of thick bamboo 16 in the back and forms transmission connection.

In the process that the air conveying mechanism 9 conveys air to the air blowing hole 8, the air pushes the impeller 15 to rotate, so that the impeller 15 drives the reverse rubbing cylinder 16 to rotate in the same direction through the conveying belt 17 (the force applied by the air can be correspondingly adjusted according to the output power of the air conveying mechanism 9), so that the reverse rubbing cylinder 16 can apply downward force to the contacted lower layer paper, further the uppermost layer paper is separated from the lower layer paper, the paper separating effect is improved (due to the fact that a space exists between the reverse rubbing cylinder 16 and the containing piece 1, the upwarping uppermost layer paper enters a paper conveying channel through the space and is pushed by the air in the air blowing hole 8, and then the air cannot contact the reverse rubbing cylinder 16), meanwhile, the reverse rubbing cylinder 16 can exert a guiding effect on the air output from the air blowing hole 8, and further the air is enabled to be firstly contacted with the uppermost layer paper, the space between the lower layer paper is avoided, the uppermost layer paper and the lower layer paper cannot effectively move upwards, and the space between the uppermost layer paper and the lower layer paper is not easy to decrease.

The impeller 15 in the second embodiment can also be rotated by a motor.

Claims

1. A printer paper feeder comprising: reporting machine, storage piece (1), the inside of reporting machine is provided with storage piece (1), the inner chamber of storage piece (1) is provided with pull piece (2), pull piece (2) are constituteed by slide (20) and barrier piece (21), the side slip connection of slide (20) and the inner chamber of storage piece (1), the upside of slide (20) is fixed with barrier piece (21), the paper feed passageway is constituteed jointly with storage piece (1) to the upside of barrier piece (21), paper outlet (3) have been seted up to the inside of storage piece (1), the upside of slide (20) is fixed with baffle (4), the upside of slide (20) is provided with diagonal brace board (5), one side and slide (20) of diagonal brace board (5) are articulated, the opposite side and the side slip connection of barrier piece (21) of diagonal brace board (5), diagonal brace board (5) bear the pile of paper jointly with slide (20), between diagonal brace board (5) and slide (20) and the inside of storage piece (1) are provided with inclined strut board (5) and are located in that the both ends of slide (6) are located in flexible drum (7) respectively, the paper feeding device is characterized in that the uppermost layer of paper of the stacked paper is attracted and driven to move through a suction drum (7), a power mechanism is fixedly arranged in the storage piece (1), an output shaft of the power mechanism is fixedly connected with the suction drum (7), a gas blowing hole (8) is formed in the blocking piece (21), a gas transmission mechanism (9) is arranged in the blocking piece (21), and the gas blowing hole (8) is communicated with the gas transmission mechanism (9) and a paper feeding channel;

the suction tube (7) consists of a tube body (70), an air hole (71), an air suction mechanism (72), a swivel (73) and a rotating shaft (74), wherein the tube body (70) is arranged in the accommodating piece (1) and is positioned at the upper side of the inclined supporting plate (5), the air hole (71) is formed in the tube body (70), the air suction mechanism (72) is arranged on one side of the tube body (70), the air hole (71) is communicated with the air suction mechanism (72) and the environment outside the tube body (70), the swivel (73) is sleeved on the outer side of the air suction mechanism (72), one end of the swivel (73) is connected with one side of the tube body (70) in a rotating mode, the other end of the swivel (73) is connected with the accommodating piece (1) in a rotating mode, the rotating shaft (74) is fixedly arranged on the other side of the tube body (70), and an output shaft of the power mechanism is fixedly connected with the rotating shaft (74).

The width value of the baffle plate (4) is larger than the width value of the stacked paper sheets, and the height value of the baffle plate (4) is larger than the height value of the stacked paper sheets;

the sliding plate is characterized in that a sliding cavity (10) is formed in the sliding plate (20) and corresponds to the inclined supporting plate (5), a sliding block (11) is movably installed in the sliding cavity (10), a telescopic rod (12) is arranged in the sliding plate (20) and located at the position, facing the blocking piece (21), of the sliding cavity (10), an output rod of the telescopic rod (12) is fixedly connected with the sliding block (11), a pull rope (13) is arranged at the lower side of the inclined supporting plate (5), the upper end of the pull rope (13) is fixedly connected with the lower side face of the inclined supporting plate (5), and the lower end of the pull rope (13) is fixedly connected with the sliding block (11);

the surface of the cylinder body (70) is made of rubber materials.

2. A printer feeder according to claim 1, characterized in that the upper side of the blocking member (21) is rotatably provided with a reverse drum (16), the reverse drum (16) being spaced from the receiving member (1).

3. The printer paper feeder according to claim 2, characterized in that a rotary groove (14) is formed in the blocking piece (21) and located between the air blowing hole (8) and the inclined support plate (5), an impeller (15) is rotatably mounted in the rotary groove (14), the circumferential side surface of the impeller (15) is movably connected with the inner wall of the rotary groove (14) and the inner wall of the air blowing hole (8) in a sealing mode, the surface of the reverse rubbing cylinder (16) is made of rubber materials, a conveying belt (17) is arranged in the blocking piece (21), and the impeller (15) is in transmission connection with the reverse rubbing cylinder (16) through the conveying belt (17).