CN216889214U - Double-group type lower suction nozzle high-speed paper feeding mechanism and high-speed paper feeding machine - Google Patents
Double-group type lower suction nozzle high-speed paper feeding mechanism and high-speed paper feeding machine Download PDFInfo
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- CN216889214U CN216889214U CN202220338456.9U CN202220338456U CN216889214U CN 216889214 U CN216889214 U CN 216889214U CN 202220338456 U CN202220338456 U CN 202220338456U CN 216889214 U CN216889214 U CN 216889214U
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Abstract
The utility model discloses a double-group type lower suction nozzle high-speed paper feeding mechanism and a high-speed paper feeding machine. The double-group type low-suction-nozzle high-speed paper feeding mechanism comprises two groups of suction nozzle mechanisms which are arranged at intervals in the front and back direction along the paper conveying direction; and the two groups of suction nozzle mechanisms are respectively connected with conjugate cam reciprocating driving mechanisms, and each conjugate cam reciprocating driving mechanism drives the corresponding suction nozzle mechanism to horizontally reciprocate along the paper conveying direction. The conjugate cam is driven to rotate by the driving motor, the conjugate cam drives the oscillating bar to move through the conjugate crank arm, the oscillating bar drives the suction nozzle mechanism to reciprocate, the oscillating bar always reciprocates in a closed ring state under the action of the conjugate cam, and the oscillating bar is not out of control no matter the speed is high or low, so that the stability of paper in the conveying process is ensured; through the reasonable working mode of arranging the two groups of suction nozzle mechanisms, the stable, smooth and high-speed scratch-free conveying of printing paperboards with different thicknesses, uneven bending or delicacy can be realized.
Description
Technical Field
The utility model belongs to the technical field of paper conveying, and particularly relates to a double-set type low-suction-nozzle high-speed paper feeding mechanism and a high-speed paper feeding machine which are used on printing and packaging equipment.
Background
The paper feeding modes of printing and packaging equipment in the current market comprise manual paper feeding and automatic paper feeding.
The manual paper feeding is suitable for paper which is seriously bent, has poor flatness and cannot be conveyed by adopting automatic paper feeding, and in addition, the thick paper board which is printed delicately is easy to scratch, and only the manual paper feeding mode can be adopted. Because the manual paper feeding mode has low efficiency and high labor intensity, the requirements of enterprises can not be met gradually.
The automatic paper feeding has two types, one type is mature feeder paper feeding, namely a mode of feeding paper by an upper suction nozzle, and the automatic paper feeding has the advantages of high speed, high efficiency and no scratch, but is only suitable for paperboard which the flatness is good, the paperboard cannot be bent, the gram weight is less than 600g, and the corrugated board with the thickness of less than 3 mm. The other mode is a lower suction paper feeding mode, which comprises lower suction belt friction type paper feeding and lower suction nozzle paper feeding, wherein the lower suction belt friction type paper feeding is suitable for corrugated boards with more than 2mm and slightly poor flatness, and the paper feeding mode is very serious in scratch to products, so that the paper feeding mode cannot be suitable for the finely printed paper boards. The lower suction nozzle paper feeding mode is divided into single-group lower suction nozzle paper feeding and double-group lower suction nozzle paper feeding; the single-group lower suction nozzle paper feeding adopts a group of lower suction nozzles, the lower suction nozzles of the group are arranged in the direction of the paper head, the suction nozzles suck the paper head when in work and feed paper forwards by friction from the bottom of a paper stack, the paper sheet which is finely printed is also severely scratched, the suction force of the paper sheet with the maximum breadth is insufficient, and the paper sheet is difficult to work at high speed; some lower suction nozzles are arranged at the tail part of the paper board, and the head part of the lower suction nozzle is not provided with the suction nozzle, so that paper is easily clamped on the paper board which is bent and uneven, and the lower suction nozzle is also scratched; the double-group lower suction nozzle paper feeding adopts two groups of lower suction nozzles, but the double-group lower suction nozzle paper feeding mechanism in the current market still has the problems of unsmooth and unstable conveying in the conveying working process due to the reasons of unreasonable driving structure design, immature working mode and the like.
How to satisfy the stable, smooth, high-speed and scratch-free paper feeding of all paper, paperboard and exquisite printing paperboard becomes the bottleneck of paper conveying in the field of printing and packaging equipment at present, and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a double-group type lower suction nozzle high-speed paper feeding mechanism which can realize stable, smooth and high-speed scratch-free conveying of printed paperboards with different thicknesses, uneven bending or delicateness.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the double-group type high-speed paper feeding mechanism with the lower suction nozzle is arranged below a paper storage station of the paper feeder and comprises two groups of suction nozzle mechanisms which are arranged at intervals in the front and back direction of the paper conveying direction; the two groups of suction nozzle mechanisms are respectively connected with conjugate cam reciprocating driving mechanisms, and each conjugate cam reciprocating driving mechanism drives the corresponding suction nozzle mechanism to horizontally reciprocate along the paper conveying direction.
According to a preferable technical scheme, each group of suction nozzle mechanisms respectively comprises a fixed frame, a support is slidably mounted on the fixed frame along the paper conveying direction, a suction nozzle guide pipe is fixedly mounted on the support, and a plurality of suction nozzles are mounted on the suction nozzle guide pipe along the length direction of a pipe body; and a sliding guide mechanism is arranged between the bracket and the fixed frame.
As a preferred technical scheme, the conjugate cam reciprocating driving mechanism comprises a driving motor fixedly mounted on the fixed frame, a conjugate cam is mounted at the output end of the driving motor, a conjugate crank arm is rotatably mounted on the fixed frame, and a pressing wheel matched with the conjugate cam is mounted on the conjugate crank arm; the conjugate crank arm is fixedly connected with a swing shaft, and the swing shaft is connected with the bracket through a swing rod.
As a preferred technical scheme, the sliding guide mechanism comprises a guide rail fixedly mounted on the fixed frame, and a sliding block matched with the guide rail is mounted on the bracket.
The utility model also provides a high-speed paper feeder, which is provided with a paper storage station and a paper conveying station; the double-group type low-suction-nozzle high-speed paper feeding mechanism is arranged below the paper storage station.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
(1) the front and rear groups of suction nozzle mechanisms are respectively connected with a conjugate cam reciprocating driving mechanism, the conjugate cam is driven to rotate through a driving motor, the conjugate cam drives the oscillating bar to move through the conjugate crank arm, the oscillating bar drives the suction nozzle mechanisms to reciprocate, the oscillating bar always reciprocates in a closed loop state under the action of the conjugate cam, and the control is stable and is not out of control no matter the speed is high or low, so that the stability of the paper in the conveying process is ensured.
(2) The feeding stroke of conjugate cams of the front and the rear groups of suction nozzle mechanisms is changed, the conjugate cam stroke of the front group of suction nozzle mechanisms is large, the front group of suction nozzle mechanisms are controlled to completely feed the paper board into the paper conveying station, the conjugate cam stroke of the rear group of suction nozzle mechanisms is small, the rear group of suction nozzle mechanisms are controlled to suck the paper board from the tail of the paper board at the bottom layer of the paper pile to move backwards, then the paper head falls onto the front group of suction nozzle mechanisms, the rear group of suction nozzle mechanisms assist the front group of suction nozzle mechanisms to convey the paper board to the paper conveying station for a certain distance, a negative pressure air source of the rear group of suction nozzle mechanisms is cut off, then the next paper board is taken out from the paper pile with the inclination, a paper feeding period and reciprocating circulation are completed, the working mode not only can realize stable, smooth and high-speed conveying of the paper boards with different thicknesses and different bending degrees, but also can ensure that the surface of the printed exquisite paper board is not scratched, the method thoroughly ensures that the processed and printed exquisite paperboard can be undamaged, thereby greatly improving the working efficiency and the product quality.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of a high-speed paper feeder in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a set of suction nozzle mechanisms and a conjugate cam reciprocating driving mechanism according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a schematic structural diagram of a conjugate crank arm according to an embodiment of the present invention;
figure 5 is a schematic view of the natural stacking of the sheets at the deposit station.
In the figure: 10-a frame, 11-a paper storage station; 12-a paper feed station; 13-a paper laying board; 20-a suction nozzle mechanism; 21-a fixing frame; 22-a scaffold; 23-a mouthpiece conduit; 24-a suction nozzle; 25-a guide rail; 26-a slide block; 30-conjugate cam reciprocating drive mechanism; 31-a drive motor; a 32-conjugate cam; 33-conjugate crank arms; 331-main crank arm; 332-return crank arm; 333-mounting holes; 34-a pressure wheel; 35-a pendulum shaft; 36-a swing link; 40-paperboard.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the high-speed paper feeder comprises a frame 10, wherein a paper storage station 11 and a paper conveying station 12 are arranged on the frame 10; the joint of the paper storage station 11 and the paper conveying station 12 is provided with a paper placing plate 13 which can place various paper plates 40. Referring to fig. 5, after the paper board 40 is placed at the paper storage station 11, under the supporting action of the paper placing board 13 and the self-gravity of the paper board, the paper pile is inclined downwards from front to back (head to tail) with a certain inclination; a double-group lower suction nozzle high-speed paper feeding mechanism is arranged below the paper storage station 11.
Referring to fig. 1 again, the dual-set type low-nozzle high-speed paper feeding mechanism includes two sets of nozzle mechanisms 20 arranged at intervals in the front-rear direction of the paper conveying direction, and the paper head and the paper tail are respectively provided with one set, for convenience of description, the nozzle mechanism at the paper head is defined as a front set of nozzle mechanisms, and the nozzle mechanism at the paper tail is defined as a rear set of nozzle mechanisms; the rear group of suction nozzle mechanisms 20 can be adjusted back and forth so as to be suitable for paper boards with different specifications; the two sets of suction nozzle mechanisms 20 are respectively connected with a conjugate cam reciprocating drive mechanism 30.
Referring to fig. 2 and 3, in the present embodiment, the suction nozzle mechanism 20 includes a fixed frame 21, a support 22 is slidably mounted on the fixed frame 21 along a paper conveying direction, a suction nozzle duct 23 is fixedly mounted on the support 22, and a plurality of suction nozzles 24 are mounted on the suction nozzle duct 23 along a length direction of a tube body; a sliding guide mechanism is arranged between the bracket 22 and the fixing frame 21. In this embodiment, the sliding guide mechanism includes a guide rail 25 fixedly mounted on the fixed frame 21, and the bracket 22 is provided with a slider 26 matched with the guide rail 25, but the sliding guide mechanism may also adopt other common guide structures such as a guide post and a guide sleeve to realize a guide function, and all of them fall within the protection scope of the present invention.
Referring to fig. 3 and 4, the conjugate cam reciprocating driving mechanism 30 includes a driving motor 31 fixedly mounted on the fixing frame 21, and the driving motor 31 may be a stepping motor or a servo motor; the output end of the driving motor 31 is provided with a conjugate cam 32, and the conjugate cam 32 consists of a main cam and a return cam which are fixedly connected on the same shaft; a conjugate crank arm 33 is rotatably mounted on the fixed frame 21, the conjugate crank arm 33 is provided with a main crank arm 331 and a return crank arm 332 which are matched with the main cam and the return cam, pressing wheels 34 matched with the main cam and the return cam of the conjugate cam are respectively mounted on the main crank arm 331 and the return crank arm 332, and the pressing wheels 34 preferably adopt bearings; the main cam and the return cam of the conjugate cam 32 respectively control the conjugate crank arm to reciprocate for two strokes so as to keep the locking between the cam and the conjugate crank arm; the conjugate crank arm 33 is provided with a mounting hole 333, a swing shaft 35 is fixedly connected in the mounting hole 333, and the swing shaft 35 is connected with the bracket 22 through swing rods 36 positioned at two sides of the bracket 22. The drive motor 31 drives the conjugate cam 32 to rotate, the conjugate cam 32 drives the swing shaft 35 and the swing rod 36 to move through the conjugate crank arm 33, and the swing rod 36 drives the bracket 22 to horizontally reciprocate along the paper conveying direction, so that paper taking and feeding operations are realized.
In this embodiment, the feed stroke of the conjugate cam driving the front group of suction nozzle mechanisms is larger than the feed stroke of the conjugate cam driving the rear group of suction nozzle mechanisms. The design is that the conjugate cam driving the front group suction nozzle mechanism has large stroke, the front group suction nozzle mechanism can be controlled to completely feed the paper board into the paper conveying station, the conjugate cam driving the rear group suction nozzle mechanism has small stroke, the rear group suction nozzle mechanism is controlled to suck the paper board from the paper pile with inclination to the tail part of the paper board at the bottom layer, then the paper head falls onto the front group suction nozzle mechanism, the rear group suction nozzle mechanism assists the front group suction nozzle mechanism to convey the paper board to the paper conveying station for a certain distance, the negative pressure air source of the rear group suction nozzle mechanism is cut off, then the next paper board is taken out from the paper pile with inclination, a paper feeding period and reciprocating circulation are completed, the mode not only can realize stable, smooth and high-speed conveying of the paper boards with different thicknesses and different bending degrees, but also can ensure that the surface of the printed and exquisite paper board is not scratched, and thoroughly ensures that the processed and printed and exquisite paper board can be undamaged, thereby greatly improving the working efficiency and the product quality.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.
Claims (5)
1. The double-group type high-speed paper feeding mechanism with the lower suction nozzle is arranged below a paper storage station of the paper feeder and comprises two groups of suction nozzle mechanisms which are arranged at intervals in the front and back direction of the paper conveying direction; the method is characterized in that: the two groups of suction nozzle mechanisms are respectively connected with conjugate cam reciprocating driving mechanisms, and each conjugate cam reciprocating driving mechanism drives the corresponding suction nozzle mechanism to horizontally reciprocate along the paper conveying direction.
2. The double-unit lower nozzle high-speed sheet feeding mechanism according to claim 1, wherein: each group of suction nozzle mechanisms respectively comprises a fixed frame, a support is slidably mounted on the fixed frame along the paper conveying direction, a suction nozzle guide pipe is fixedly mounted on the support, and a plurality of suction nozzles are mounted on the suction nozzle guide pipe along the length direction of the pipe body; and a sliding guide mechanism is arranged between the bracket and the fixed frame.
3. The double-unit lower nozzle high-speed sheet feeding mechanism according to claim 2, wherein: the conjugate cam reciprocating driving mechanism comprises a driving motor fixedly arranged on the fixed frame, a conjugate cam is arranged at the output end of the driving motor, a conjugate crank arm is rotatably arranged on the fixed frame, and a pressing wheel matched with the conjugate cam is arranged on the conjugate crank arm; the conjugate crank arm is fixedly connected with a swing shaft, and the swing shaft is connected with the bracket through a swing rod.
4. The double-unit type lower nozzle high-speed paper feeding mechanism according to claim 2 or 3, characterized in that: the sliding guide mechanism comprises a guide rail fixedly arranged on the fixed frame, and a sliding block matched with the guide rail is arranged on the support.
5. The high-speed paper feeder is provided with a paper storage station and a paper conveying station; the method is characterized in that: a double-group lower suction nozzle high-speed paper feeding mechanism as claimed in any one of claims 1 to 4 is arranged below the paper storage station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338456.9U CN216889214U (en) | 2022-02-15 | 2022-02-15 | Double-group type lower suction nozzle high-speed paper feeding mechanism and high-speed paper feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338456.9U CN216889214U (en) | 2022-02-15 | 2022-02-15 | Double-group type lower suction nozzle high-speed paper feeding mechanism and high-speed paper feeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216889214U true CN216889214U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220338456.9U Active CN216889214U (en) | 2022-02-15 | 2022-02-15 | Double-group type lower suction nozzle high-speed paper feeding mechanism and high-speed paper feeding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216889214U (en) |
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2022
- 2022-02-15 CN CN202220338456.9U patent/CN216889214U/en active Active
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