CN116022578A - Paper board pretreatment paper feeding mechanism - Google Patents
Paper board pretreatment paper feeding mechanism Download PDFInfo
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- CN116022578A CN116022578A CN202310307060.7A CN202310307060A CN116022578A CN 116022578 A CN116022578 A CN 116022578A CN 202310307060 A CN202310307060 A CN 202310307060A CN 116022578 A CN116022578 A CN 116022578A
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Abstract
The invention discloses a paper feeding mechanism for paperboard pretreatment, which relates to the technical field of carton paperboard treatment and comprises a frame, and a material taking device and a drying device which are sequentially arranged on the frame; the material taking device comprises a material taking arm and a material taking component, the material taking component comprises a mounting seat, a negative pressure sucker and a material conveying roller, the negative pressure sucker is fixed on the mounting seat, the material conveying roller is positioned on the side edge of the negative pressure sucker and is rotationally connected with the mounting seat, and two ends of the material taking arm are respectively rotationally connected with the frame and the mounting seat; the drying device comprises a first hot air jet part, a second hot air jet part and a plurality of first conveying belts which are arranged in parallel, wherein the first hot air jet part and the second hot air jet part are arranged on the rack, the first hot air jet part is positioned above the first conveying belts and jets air towards the bottoms of the first conveying belts, and the second hot air jet part is positioned below the first conveying belts and jets air towards the tops of the first conveying belts.
Description
Technical Field
The invention relates to the technical field of carton paperboard processing, in particular to a paperboard pretreatment paper feeding mechanism.
Background
The logistics paper box is formed by bending a whole piece of plane paper board, sticking the paper box, nailing the paper box and the like, and the bonding effect of the sticking box processing depends on the processing environment (such as humidity) and the wet state of the paper board. Part of paperboards are inevitably wetted in the warehouse storage and logistics transportation stages, so that the adhesive effect of the paperboards is not ideal, and the finished cartons are easy to come out of glue. Therefore, at present, the environment humidity needs to be accurately controlled in the cardboard storage and logistics stages, and the storage and logistics cost of the cardboard can be increased undoubtedly.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a paper feeding mechanism for pretreatment of paper boards, so as to solve the problem of poor bonding effect of the current wet paper boards.
The invention adopts the following technical scheme:
a paper board pretreatment paper feeding mechanism comprises a frame, and a material taking device and a drying device which are sequentially arranged on the frame;
the device comprises a rack, a material storage groove is formed in the rack, an opening of the material storage groove is arranged upwards, the material taking device comprises a material taking arm and a material taking component, the material taking component is positioned above the material storage groove and comprises a mounting seat, a negative pressure sucker and a material conveying roller wheel, the negative pressure sucker is fixed on the mounting seat, the material conveying roller wheel is positioned on the side edge of the negative pressure sucker and is rotationally connected with the mounting seat, and two ends of the material taking arm are rotationally connected with the rack and the mounting seat respectively;
the drying device comprises a first hot air injection part, a second hot air injection part and a plurality of first conveying belts which are arranged in parallel, wherein the feeding end of the first conveying belt is opposite to the storage groove, the first hot air injection part and the second hot air injection part are arranged on the rack, the first hot air injection part is positioned above the first conveying belt and injects air towards the lower part of the first conveying belt, and the second hot air injection part is positioned below the first conveying belt and injects air towards the upper part of the first conveying belt.
In some optional embodiments, two conveying rollers are provided, and the two conveying rollers are arranged in parallel and are respectively positioned at two sides of the negative pressure sucker.
In some optional embodiments, the first hot air jet part is disposed obliquely to the vertical direction, and an air jet of the first hot air jet part faces the conveying direction of the first conveying belt.
In some optional embodiments, the second hot air jet component is disposed obliquely to the vertical direction, and an air jet of the second hot air jet component faces the conveying direction of the first conveying belt.
In certain alternative embodiments, the number of first hot air injection components is greater than the number of second hot air injection components.
In some optional embodiments, the drying device further includes a third hot air injection component, the third hot air injection component is located above the discharge end of the first conveyor belt, the air injection direction of the third hot air injection component is opposite to the conveying direction of the first conveyor belt, and the distance between the nozzle of the third hot air injection component and the first conveyor belt is smaller than the distance between the nozzle of the first hot air injection component and the first conveyor belt.
In some optional embodiments, the drying device further includes an air deflector fixed on the frame, the air deflector is located between the first hot air injection component and the third hot air injection component, and the air deflector is obliquely arranged with a horizontal plane, and hot air ejected by the first hot air injection component flows through the upper surface of the cardboard on the first conveyor belt and is guided by the air deflector to the upper direction of the first conveyor belt so as to avoid the third hot air injection component.
In certain alternative embodiments, the third hot air jet section has a jet flow rate that is lower than the jet flow rate of the first hot air jet section.
In certain alternative embodiments, the second hot air jet section has a jet flow rate that is lower than the jet flow rate of the first hot air jet section, and the third hot air jet section has a jet flow rate that is lower than the jet flow rate of the second hot air jet section.
In some optional embodiments, the device further comprises a discharging device, the material taking device, the drying device and the discharging device are sequentially arranged, the discharging device comprises a second conveying belt, two first material guiding plates and two second material guiding plates, the second conveying belt is located at the material discharging end of the first conveying belt, the first material guiding plates and the second material guiding plates are fixedly arranged on the frame, each first material guiding plate is connected with one second material guiding plate, the first material guiding plates are inclined to the second material guiding plates, the two second material guiding plates are arranged in parallel, and the distance between the two first material guiding plates is gradually reduced from one end to the other end of each first material guiding plate.
Compared with the prior art, the invention has the beneficial effects that:
the negative pressure sucking disc sucks up the paperboards stacked in the storage groove and enables the paperboards to be attached to the material taking component, the material taking arm swings to lift the absorbed paperboards, the material conveying roller rotates to drive the paperboards to move relative to the material taking component, the paperboards are conveyed to the first conveying belt, and the first hot air spraying component and the second hot air spraying component respectively dry the upper surface and the lower surface of the paperboards through hot air, so that the adhesive effect of the paperboards is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of an inventive paperboard pretreatment paper feeding mechanism;
FIG. 2 is a schematic structural view of a pick-up device of the pre-treatment feeding mechanism of the present invention;
FIG. 3 is a schematic diagram of a drying apparatus of an inventive paperboard pretreatment paper feeding mechanism;
FIG. 4 is a schematic top view of a first and second guide plate of the paperboard pretreatment feeding mechanism of the invention;
in the figure: 10. a frame; 11. a storage groove; 12. an air deflector; 13. a first guide plate; 14. a second guide plate; 20. a material taking arm; 30. a material taking component; 31. a mounting base; 32. a negative pressure suction cup; 33. a material conveying roller; 40. a first hot air injection part; 50. a second hot air jet part; 60. a third hot air injection part; 70. a first conveyor belt; 80. a second conveyor belt; 90. and (3) paper board.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 3, a paper feeding mechanism for pre-treating a paper sheet 90 according to the present invention is schematically shown, and includes a frame 10, and a take-out device and a drying device sequentially disposed on the frame 10.
The frame 10 is provided with a storage groove 11, an opening of the storage groove 11 is upward, the storage groove 11 is used for storing the plane-shaped paperboards 90, and a plurality of paperboards 90 are arranged in a stacked mode. The cardboard 90 can be removed from the opening above the magazine 11.
Referring to fig. 2, the material taking device includes a material taking arm 20 and a material taking component 30, the material taking component 30 is located above the material storage groove 11, the material taking component 30 includes a mounting seat 31, a negative pressure suction cup 32 and a material conveying roller 33, the negative pressure suction cup 32 is fixed on the mounting seat 31, the material conveying roller 33 is located at a side edge of the negative pressure suction cup 32 and is rotationally connected to the mounting seat 31, and two ends of the material taking arm 20 are respectively rotationally connected to the frame 10 and the mounting seat 31. The material taking arm 20 can be driven by an executing device such as a servo motor, so as to realize the swing of the material taking arm 20 relative to the frame 10 and the swing of the material taking arm 20 relative to the mounting seat 31, and when the material taking arm 20 swings, the mounting seat 31 can be close to or far away from the opening of the material storage groove 11 under the driving of the material taking arm 20.
When the negative pressure suction cup 32 is close to the uppermost layer of the paper board 90 in the storage groove 11, the negative pressure suction cup 32 generates negative pressure and sucks the paper board 90, so that the upper surface of the paper board 90 abuts against the feeding roller 33. The negative pressure generated by the negative pressure sucking disc 32 continuously enables the paper board 90 to move along with the mounting seat 31 and the material taking arm 20, and the negative pressure generated by the negative pressure sucking disc 32 continuously enables friction force to exist between the paper board 90 and the material conveying roller 33, the material taking arm 20 drives the mounting seat 31 to ascend, and when the paper board 90 rises to a preset height, the material conveying roller 33 rotates to drive the paper board 90 to move relative to the mounting seat 31, and then the paper board 90 is output.
As shown in fig. 3, the drying device includes a first hot air spraying component 40, a second hot air spraying component 50, and a plurality of first conveyor belts 70 disposed parallel to each other, wherein a feeding end of the first conveyor belt 70 is disposed opposite to the storage groove 11, the first hot air spraying component 40 and the second hot air spraying component 50 are disposed on the rack 10, the first hot air spraying component 40 is disposed above the first conveyor belt 70 and sprays air towards the lower side of the first conveyor belt 70, and the second hot air spraying component 50 is disposed below the first conveyor belt 70 and sprays air towards the upper side of the first conveyor belt 70. Thus, the extracting device transfers the paper board 90 from the storage groove 11 to the first conveyor belt 70, the first hot air jet part 40 jets hot air flow toward the upper surface of the paper board 90, and the second hot air jet part 50 jets hot air flow toward the lower surface of the paper board 90, so as to dry the paper board 90 with hot air, and make the paper board 90 drier for subsequent bonding processing.
In addition, the structure of the material taking device realizes that the material taking component 30 can pick up and convey the paper board 90 (convey to the first conveying belt 70) within a more limited movement range, and particularly depends on that the negative pressure sucker 32 adsorbs the paper board 90 to the bottom of the first mounting frame, so that the paper board 90 is abutted against the conveying roller 33, when the material taking arm 20 lifts the first mounting frame, the paper board 90 is located at the feeding end of the first conveying belt 70 and is adjacently arranged, and the conveying roller 33 rotates to convey the paper board 90 to the first conveying belt 70. The arrangement of the transfer rollers allows for transfer of the sheet 90 onto the first conveyor belt 70 without moving the take-out member 30 over the first conveyor belt 70. In the prior art, the mechanical arm is often required to drive the mechanical clamping jaw to clamp the paper board 90, and after the mechanical clamping jaw is moved to the upper part of the conveying belt by the mechanical clamping jaw, the mechanical clamping jaw releases the paper board 90 to place the paper board 90 on the conveying belt, which results in a larger movement range of the mechanical clamping jaw, so that more space needs to be reserved around the mechanical arm to avoid structural interference (so as not to cause collision) between the mechanical arm and other mechanical equipment.
Further, two feeding rollers 33 are provided, the two feeding rollers 33 are arranged in parallel and are respectively located at two sides of the negative pressure suction cup 32, and the two feeding rollers 33 synchronously rotate to jointly drive the paper board 90 to move relative to the mounting seat 31. In order to increase friction between the feed roller 33 and the paper sheet 90, it is also necessary to provide an anti-slip rubber ring on the outer peripheral surface of the feed roller 33.
In order to reduce the problem that the drying effect of the paper board 90 is poor due to the turbulence generated by the hot air flow, the first hot air jet part 40 is inclined to the vertical direction, and the air jet opening of the first hot air jet part 40 faces the conveying direction of the first conveying belt 70, so that the hot air flow ejected by the first hot air jet part 40 faces not only the first conveying belt 70 but also the conveying direction of the first conveying belt 70, and after contacting the upper surface of the paper board 90, the hot air flow ejected by the first hot air jet part 40 flows on the upper surface of the paper board 90 along the conveying direction of the first conveying belt 70. Similarly, the second hot air jet member 50 is disposed obliquely to the vertical direction, and the air jet of the second hot air jet member 50 faces the conveying direction of the first conveyor belt 70, so that the hot air jet member 50 jets hot air not only toward the first conveyor belt 70 but also toward the conveying direction of the first conveyor belt 70, and the hot air jet member 50 jets hot air flowing on the lower surface of the paper board 90 flows along the conveying direction of the first conveyor belt 70 after contacting the lower surface of the paper board 90.
Of course, in order to hot wind-dry the large area of the board 90, the number of the first hot wind spraying parts 40 and the number of the second hot wind spraying parts 50 each need to be provided in plural, and the numbers thereof may be inconsistent. In the present embodiment, the number of the first hot air injecting parts 40 is greater than the number of the second hot air injecting parts 50, so that in the case that the air injecting speeds of the first hot air injecting parts 40 and the second hot air injecting parts 50 are identical, more first hot air injecting parts 40 can provide a greater downward pressure to the paper board 90, so that the paper board 90 can be stably attached to the first conveyor belt 70, so as to avoid the paper board 90 from being accidentally detached from the first conveyor belt 70.
Example 2
Referring to fig. 1 to 3, a paper feeding mechanism for pre-treating a paper sheet 90 according to the present invention is schematically shown, and includes a frame 10, and a take-out device and a drying device sequentially disposed on the frame 10.
The frame 10 is provided with a storage groove 11, an opening of the storage groove 11 is upward, the storage groove 11 is used for storing the plane-shaped paperboards 90, and a plurality of paperboards 90 are arranged in a stacked mode. The cardboard 90 can be removed from the opening above the magazine 11.
Referring to fig. 2, the material taking device includes a material taking arm 20 and a material taking component 30, the material taking component 30 is located above the material storage groove 11, the material taking component 30 includes a mounting seat 31, a negative pressure suction cup 32 and a material conveying roller 33, the negative pressure suction cup 32 is fixed on the mounting seat 31, the material conveying roller 33 is located at a side edge of the negative pressure suction cup 32 and is rotationally connected to the mounting seat 31, and two ends of the material taking arm 20 are respectively rotationally connected to the frame 10 and the mounting seat 31. The material taking arm 20 can be driven by an executing device such as a servo motor, so as to realize the relative swinging of the material taking arm 20 and the frame 10 and the relative swinging of the material taking arm 20 and the mounting seat 31, and when the material taking arm 20 swings, the mounting seat 31 can be close to or far away from the opening of the material storage groove 11 under the driving of the material taking arm 20.
When the negative pressure suction cup 32 is close to the uppermost layer of the paper board 90 in the storage groove 11, the negative pressure suction cup 32 generates negative pressure and sucks the paper board 90, so that the upper surface of the paper board 90 abuts against the feeding roller 33. The negative pressure generated by the negative pressure sucking disc 32 continuously enables the paper board 90 to move along with the mounting seat 31 and the material taking arm 20, and the negative pressure generated by the negative pressure sucking disc 32 continuously enables friction force to exist between the paper board 90 and the material conveying roller 33, the material taking arm 20 drives the mounting seat 31 to ascend, and when the paper board 90 rises to a preset height, the material conveying roller 33 rotates to drive the paper board 90 to move relative to the mounting seat 31, and then the paper board 90 is output.
As shown in fig. 3, the drying device includes a first hot air spraying component 40, a second hot air spraying component 50, and a plurality of first conveyor belts 70 disposed parallel to each other, wherein a feeding end of the first conveyor belt 70 is disposed opposite to the storage groove 11, the first hot air spraying component 40 and the second hot air spraying component 50 are disposed on the rack 10, the first hot air spraying component 40 is disposed above the first conveyor belt 70 and sprays air towards the lower side of the first conveyor belt 70, and the second hot air spraying component 50 is disposed below the first conveyor belt 70 and sprays air towards the upper side of the first conveyor belt 70. Thus, the extracting device transfers the paper board 90 from the storage groove 11 to the first conveyor belt 70, the first hot air jet part 40 jets hot air flow toward the upper surface of the paper board 90, and the second hot air jet part 50 jets hot air flow toward the lower surface of the paper board 90, so as to dry the paper board 90 with hot air, and make the paper board 90 drier for subsequent bonding processing.
In addition, the structure of the material taking device realizes that the material taking component 30 can pick up and convey the paper board 90 (convey to the first conveying belt 70) within a more limited movement range, and particularly depends on that the negative pressure sucker 32 adsorbs the paper board 90 to the bottom of the first mounting frame, so that the paper board 90 is abutted against the conveying roller 33, when the material taking arm 20 lifts the first mounting frame, the paper board 90 is located at the feeding end of the first conveying belt 70 and is adjacently arranged, and the conveying roller 33 rotates to convey the paper board 90 to the first conveying belt 70. The arrangement of the transfer rollers allows for transfer of the sheet 90 onto the first conveyor belt 70 without moving the take-out member 30 over the first conveyor belt 70. In the prior art, the mechanical arm is often required to drive the mechanical clamping jaw to clamp the paper board 90, and after the mechanical clamping jaw is moved to the upper part of the conveying belt by the mechanical clamping jaw, the mechanical clamping jaw releases the paper board 90 to place the paper board 90 on the conveying belt, which results in a larger movement range of the mechanical clamping jaw, so that more space needs to be reserved around the mechanical arm to avoid structural interference (so as not to cause collision) between the mechanical arm and other mechanical equipment.
Further, two feeding rollers 33 are provided, the two feeding rollers 33 are arranged in parallel and are respectively located at two sides of the negative pressure suction cup 32, and the two feeding rollers 33 synchronously rotate to jointly drive the paper board 90 to move relative to the mounting seat 31. In order to increase friction between the feed roller 33 and the paper sheet 90, it is also necessary to provide an anti-slip rubber ring on the outer peripheral surface of the feed roller 33.
In order to reduce the problem that the drying effect of the paper board 90 is poor due to the turbulence generated by the hot air flow, the first hot air jet part 40 is inclined to the vertical direction, and the air jet opening of the first hot air jet part 40 faces the conveying direction of the first conveying belt 70, so that the hot air flow ejected by the first hot air jet part 40 faces not only the first conveying belt 70 but also the conveying direction of the first conveying belt 70, and after contacting the upper surface of the paper board 90, the hot air flow ejected by the first hot air jet part 40 flows on the upper surface of the paper board 90 along the conveying direction of the first conveying belt 70. Similarly, the second hot air jet member 50 is disposed obliquely to the vertical direction, and the air jet of the second hot air jet member 50 faces the conveying direction of the first conveyor belt 70, so that the hot air jet member 50 jets hot air not only toward the first conveyor belt 70 but also toward the conveying direction of the first conveyor belt 70, and the hot air jet member 50 jets hot air flowing on the lower surface of the paper board 90 flows along the conveying direction of the first conveyor belt 70 after contacting the lower surface of the paper board 90.
Because the logistics cartons are generally made of corrugated boards, hollow spaces with two through ends are formed in the corrugated boards, in order to dry the through spaces by hot air, the drying device further comprises a third hot air spraying component 60, the third hot air spraying component 60 is located above the discharge end of the first conveying belt 70, the spraying direction of the third hot air spraying component 60 is opposite to the conveying direction of the first conveying belt 70, hot air sprayed by the third hot air spraying component 60 enters the inner space of the paperboard 90 from an opening at the head end part of the paperboard 90 and is discharged from an opening at the tail end part of the paperboard 90, drying of the inner space of the paperboard 90 is achieved, and the distance between a nozzle of the third hot air spraying component 60 and the first conveying belt 70 is smaller than that between a nozzle of the first hot air spraying component 40 and the first conveying belt 70, so that the hot air sprayed by the third hot air spraying component 60 can enter from the opening at the head end part of the paperboard 90.
Specifically, the rack 10 is further provided with an air deflector 12, the air deflector 12 is located between the first hot air injection component 40 and the third hot air injection component 60, the air deflector 12 is obliquely arranged with a horizontal plane, that is, the distance between the head end of the air deflector 12 and the first conveyor belt 70 is smaller than the distance between the tail end of the air deflector 12 and the first conveyor belt 70, the hot air flow ejected by the first hot air injection component 40 flows through the upper surface of the paper board 90 on the first conveyor belt 70 and is guided by the air deflector 12 to the upper direction of the first conveyor belt 70 so as to avoid the third hot air injection component 60, and the air deflector 12 can prevent the hot air flow ejected by the first hot air injection component 40 from interfering the hot air flow ejected by the third hot air injection component 60. The air flow rate of the third hot air injection part 60 is lower than that of the first hot air injection part 40, and the air flow rate of the third hot air injection part 60 should not be too high because the cross-sectional opening area of the inner space of the board 90 is limited, and thus the volume of air that can flow through the inner space of the board 90 in a unit time is limited.
In addition, the air flow rate of the second hot air jet part 50 is lower than the air flow rate of the first hot air jet part 40, and the air flow rate of the third hot air jet part 60 is lower than the air flow rate of the second hot air jet part 50, and the air flow rate of the second hot air jet part 50 is lower than the air flow rate of the first hot air jet part 40, so that the paper board 90 can be stably attached to the first conveyor belt 70, so as to prevent the paper board 90 from being accidentally detached from the first conveyor belt 70.
Example 3
As shown in fig. 1 to 4, the difference between the present embodiment and embodiment 1 is that the paper board 90 pretreatment paper feeding mechanism further includes a discharging device, and the material taking device, the drying device and the discharging device are sequentially arranged.
As shown in fig. 4, the discharging device includes a second conveying belt 80, two first material guiding plates 13 and two second material guiding plates 14, the second conveying belt 80 is located at the discharging end of the first conveying belt 70, the first material guiding plates 13 and the second material guiding plates 14 are both fixedly arranged on the frame 10, each first material guiding plate 13 is connected with one second material guiding plate 14, the first material guiding plates 13 are inclined to the second material guiding plates 14, the two second material guiding plates 14 are arranged in parallel, and the distance between the two first material guiding plates 13 is gradually reduced from one end to the other end of the two first material guiding plates. The paper board 90 is conveyed from the first conveying belt 70 to the second conveying belt 80, the side edge of the head end of the paper board 90 is abutted against the first material guiding plate 13, the posture of the paper board 90 is corrected under the guidance of the first material guiding plate 13, the paper board 90 is located at the middle position of the second conveying belt 80, the two second material guiding plates 14 can secondarily correct the posture of the paper board 90, and the paper board 90 is accurately located at the middle position of the second conveying belt 80.
In summary, the negative pressure suction cup 32 sucks up the cardboard 90 disposed inside the storage groove 11 and makes the cardboard 90 adhere to the material taking component 30, the material taking arm 20 swings to lift the absorbed cardboard 90, the material conveying roller 33 rotates to drive the cardboard 90 to move relative to the material taking component 30, so that the cardboard 90 is conveyed to the first conveying belt 70, and the first hot air spraying component 40 and the second hot air spraying component 50 respectively perform hot air drying on the upper surface and the lower surface of the cardboard 90, so as to promote the bonding effect of the cardboard 90.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The paperboard pretreatment paper feeding mechanism is characterized by comprising a rack, and a material taking device and a drying device which are sequentially arranged on the rack;
the device comprises a rack, a material storage groove is formed in the rack, an opening of the material storage groove is arranged upwards, the material taking device comprises a material taking arm and a material taking component, the material taking component is positioned above the material storage groove and comprises a mounting seat, a negative pressure sucker and a material conveying roller wheel, the negative pressure sucker is fixed on the mounting seat, the material conveying roller wheel is positioned on the side edge of the negative pressure sucker and is rotationally connected with the mounting seat, and two ends of the material taking arm are rotationally connected with the rack and the mounting seat respectively;
the drying device comprises a first hot air injection part, a second hot air injection part and a plurality of first conveying belts which are arranged in parallel, wherein the feeding end of the first conveying belt is opposite to the storage groove, the first hot air injection part and the second hot air injection part are arranged on the rack, the first hot air injection part is positioned above the first conveying belt and injects air towards the lower part of the first conveying belt, and the second hot air injection part is positioned below the first conveying belt and injects air towards the upper part of the first conveying belt.
2. The paper board pretreatment paper feeding mechanism according to claim 1, wherein two conveying rollers are arranged in number, and the two conveying rollers are arranged in parallel and are respectively positioned on two sides of the negative pressure sucker.
3. The paper feeding mechanism for pretreatment of paper board according to claim 1, wherein the first hot air jet member is disposed obliquely to the vertical direction, and the air jet of the first hot air jet member is directed in the conveying direction of the first conveyor belt.
4. A board pretreatment paper feeding mechanism according to claim 3, wherein the second hot air jet member is disposed obliquely to the vertical direction, and the air jet port of the second hot air jet member is directed in the conveying direction of the first conveyor belt.
5. The paperboard pretreatment paper feeding mechanism of claim 4, wherein the number of first hot air jet components is greater than the number of second hot air jet components.
6. The paper feeding mechanism for pretreatment of paper board according to claim 5, wherein the drying device further comprises a third hot air jetting component, the third hot air jetting component is located above the discharging end of the first conveyor belt, the jetting direction of the third hot air jetting component is opposite to the conveying direction of the first conveyor belt, and the distance between the nozzle of the third hot air jetting component and the first conveyor belt is smaller than the distance between the nozzle of the first hot air jetting component and the first conveyor belt.
7. The paper feeding mechanism for pretreatment of paper board according to claim 6, wherein the drying device further comprises an air deflector fixed on the frame, the air deflector is located between the first hot air jet part and the third hot air jet part, the air deflector is arranged obliquely to the horizontal plane, and hot air jetted by the first hot air jet part flows through the upper surface of the paper board on the first conveyor belt and is guided to the upper direction of the first conveyor belt by the guide of the air deflector so as to avoid the third hot air jet part.
8. The paperboard pretreatment paper feeding mechanism of claim 7, wherein the third hot air jet assembly has a jet flow rate that is lower than the jet flow rate of the first hot air jet assembly.
9. The paperboard pretreatment paper feeding mechanism of claim 8, wherein the second hot air jet section has a jet flow rate lower than the jet flow rate of the first hot air jet section, and the third hot air jet section has a jet flow rate lower than the jet flow rate of the second hot air jet section.
10. The paper feeding mechanism for pretreatment of paper boards according to claim 1, further comprising a discharging device, wherein the discharging device, the drying device and the discharging device are sequentially arranged, the discharging device comprises a second conveying belt, two first material guiding plates and two second material guiding plates, the second conveying belt is positioned at the discharging end of the first conveying belt, the first material guiding plates and the second material guiding plates are fixedly arranged on the frame, each first material guiding plate is connected with one second material guiding plate, the first material guiding plates are inclined to the second material guiding plates, the two second material guiding plates are arranged in parallel, and the distance between the two first material guiding plates is gradually reduced from one end to the other end of each first material guiding plate.
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| CN202310307060.7A CN116022578B (en) | 2023-03-27 | 2023-03-27 | Paper board pretreatment paper feeding mechanism |
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| CN202310307060.7A CN116022578B (en) | 2023-03-27 | 2023-03-27 | Paper board pretreatment paper feeding mechanism |
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| CN116022578A true CN116022578A (en) | 2023-04-28 |
| CN116022578B CN116022578B (en) | 2023-07-18 |
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| CN115611038A (en) * | 2022-09-19 | 2023-01-17 | 重庆归正印务有限公司 | Prevent cardboard printing of cardboard off tracking and correct device |
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| CN115611038A (en) * | 2022-09-19 | 2023-01-17 | 重庆归正印务有限公司 | Prevent cardboard printing of cardboard off tracking and correct device |
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| CN116022578B (en) | 2023-07-18 |
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