Wrinkle-resistant paper loading and unloading method and device

Abstract

The present invention relates to the technical field of packaging machinery and equipment, and in particular to a wrinkle-resistant paper loading and paper picking method and device thereof, the method comprising stacking a plurality of papers in a stacked manner on a support frame arranged in an arc or trapezoidal shape to form a paper pile; a paper picking device picking up the paper from above the support frame; a driving mechanism of the paper picking device drives the adsorption bracket to move so that the first suction nozzle is aligned with the front middle of the paper for adsorption; then the movable brackets on both sides of the adsorption bracket are driven to rotate so that the second suction nozzles on both sides are aligned with the two sides of the paper for adsorption; the paper is sucked up and raised, and transferred to a paper loading position for transportation. The present invention solves the technical problem in the prior art that wrinkles of packaging paper affect the packaging production efficiency, and realizes smoothing and flattening of packaging paper when multiple layers are stacked, which is beneficial to improving packaging production efficiency and reducing labor costs; it facilitates the adsorption and picking of paper on the support frame and the loading of paper, and improves the reliability and stability of paper picking.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging machinery and equipment, and in particular to a wrinkle-resistant paper loading and unloading method and a device thereof. Background Art

[0002] In the printing industry, the primary customer base focuses on commonly seen products such as books, magazines, and newspapers. With the rapid development of the printing industry and the industrial product packaging market, traditional manual packaging methods, with their high labor intensity and low efficiency, are unable to meet the market's massive demand for books. To adapt to this changing trend, automated and semi-automated packaging machines have emerged.

[0003] Current balers all need to be equipped with a paper feeding device. When the current paper feeding device is working, it generally feeds out multiple layers of paper on the paper stacking device one by one for packaging.

[0004] However, in the process of implementing the technical solutions of the embodiments of the present application, the inventors of the present application discovered that the above technology has at least the following technical problems:

[0005] Currently, paper used for packaging is stacked and placed on a horizontal stacking rack for easy access by the paper feeder. Since the paper is laid out horizontally, the corresponding paper feeder also uses a horizontally arranged suction nozzle to pick up the paper from the stack. However, purchased paper is delivered in multiple rolls. As a result, each sheet of paper is partially bulged or wrinkled when it is unrolled and placed on the horizontal stacking rack. This requires time-consuming manual work to smooth and flatten the paper, severely impacting the baling machine's operation and production efficiency, and increasing labor costs. Summary of the Invention

[0006] The embodiments of the present application solve the technical problem in the prior art that wrinkles of packaging paper affect packaging production efficiency by providing a wrinkle-resistant paper loading and loading method and device, and achieve smoothing and leveling of multiple layers of packaging paper, which is beneficial to improving packaging production efficiency and reducing labor costs; it facilitates the adsorption and loading of paper on the carrier, and improves the reliability and stability of paper picking.

[0007] The present invention provides a wrinkle-resistant paper loading and unloading method, which is characterized by comprising the following steps:

[0008] S1. stacking a plurality of paper sheets in a stacked manner on an arc-shaped or trapezoidal support frame to form a paper pile;

[0009] S2, the paper picking device picks up paper from above the carrier;

[0010] S3, the driving mechanism of the paper picking device drives the adsorption bracket to move so that the first suction nozzle is aligned with the front middle part of the paper to adsorb;

[0011] S4, then driving the movable brackets on both sides of the adsorption bracket to rotate so that the second suction nozzles on both sides are aligned with both sides of the paper for adsorption;

[0012] S5. The paper is sucked up and raised, and transferred to the paper loading position for transportation.

[0013] The present invention also provides a wrinkle-resistant paper picking device, which includes a carrier and a paper picking device, the cross-section of the carrier is arc-shaped or trapezoidal; the paper picking device includes a driving mechanism and an adsorption bracket connected to the driving mechanism, the lower end of the adsorption bracket is provided with a plurality of first suction nozzles, and movable brackets are movably provided on both sides of the adsorption bracket, and paper picking driving components are also provided on both sides of the adsorption bracket, the output end of the paper picking driving component is movably connected to the movable bracket, and the lower end of the movable bracket is provided with a plurality of second suction nozzles.

[0014] Wherein, both ends of the adsorption bracket are respectively penetrated with an oblique guide groove, and one end of the movable bracket is provided with a guide shaft, and the guide shaft is slidably provided in the oblique guide groove.

[0015] Among them, the driving mechanism includes a paper picking bracket, front and rear driving parts installed on the paper picking bracket, a movable seat connected to the output ends of the front and rear driving parts, and an upper and lower driving part installed on the movable seat, and the output ends of the upper and lower driving parts are connected to the adsorption bracket.

[0016] Preferably, a plurality of first suction nozzles are arranged in a row at equal intervals at the lower end of the adsorption bracket.

[0017] The paper picking device further comprises a base frame, and the supporting frame is mounted on the base frame; a material blocking assembly is also mounted on the base frame, and the upper end of the material blocking assembly extends to one side of the supporting frame to block one side of the paper.

[0018] The material blocking assembly includes a movable adjustment block, a plurality of material blocking bodies mounted on the movable adjustment block, and an adjustment mechanism for driving the movable adjustment block to move back and forth in the width direction of the carrier.

[0019] The adjusting mechanism includes an adjusting shaft and a driving wheel. The adjusting shaft is rotatably arranged on the base frame. The adjusting shaft is further provided with a threaded adjusting portion. The movable adjusting block is threadedly sleeved on the outer periphery of the threaded adjusting portion.

[0020] One end of the adjusting shaft extends out of one side of the base frame and is connected to the driving wheel.

[0021] Wherein, the movable adjustment block is provided with a guide slide, the base frame is provided with a guide slide groove, and the guide slide is slidably arranged in the guide slide groove.

[0022] Preferably, a plurality of guide slides and guide grooves are respectively provided, and the guide slides correspond to the guide grooves one-to-one; the material blocking bodies correspond to the guide slides one-to-one; and the material blocking bodies are detachably mounted on the guide slides.

[0023] Wherein, the supporting frame is provided with a plurality of avoidance grooves, and the avoidance grooves are arranged corresponding to the material blocking body.

[0024] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0025] 1. Due to the use of an arc-shaped or trapezoidal manner and method to stack papers, when multiple sheets of paper are stacked in multiple layers, the two sides of the papers can be placed facing each other. Under the effect of multi-layer stacking, the two sides of the papers are pressed downward and straightened by gravity, which effectively solves the problem that multiple sheets of paper on the horizontal paper stacking rack will have wrinkles. At the same time, by utilizing a paper picking device adapted to the arc or trapezoidal shape and utilizing the mutual cooperation between the adsorption bracket and the movable bracket, the first suction nozzle and the second suction nozzle are driven to perfectly adapt to the arc-shaped or trapezoidal stacked papers, which is conducive to improving production efficiency and paper picking stability.

[0026] 2. Due to the use of an arc-shaped or trapezoidal supporting frame, when multiple sheets of paper are stacked in multiple layers, the two sides of the paper can be placed facing each other. Under the effect of multi-layer stacking, the two sides of the paper are pressed downward by gravity, which effectively solves the problem that multiple sheets of paper on the horizontal paper stacking rack will have wrinkles, and then the multiple layers of paper placed on the supporting frame are pressed down layer by layer, so that the paper is flattened and pressed, which improves operation and production efficiency and reduces labor costs.

[0027] 3. Due to the use of the first suction nozzle of the adsorption bracket and the second suction nozzle of the movable bracket, in conjunction with the driving mechanism and the paper picking driving component, the first suction nozzle and the second suction nozzle can be adapted to the supporting frame with an arc or trapezoidal arrangement, which is convenient for adsorbing and picking up the paper on the supporting frame and loading the paper, thereby improving the reliability and stability of paper picking. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a flow chart of a method for loading and removing wrinkle-resistant paper according to Example 1 of the present application;

[0029] Figure 2 This is a schematic structural diagram of a wrinkle-resistant paper loading and unloading device according to Example 2 of the present application;

[0030] Figure 3 This is a schematic structural diagram of a paper picking device according to Example 2 of the present application;

[0031] Figure 4 This is a schematic diagram of the structure of the supporting frame and the base frame in Example 2 of the present application;

[0032] Figure 5 This is a schematic structural diagram of the cooperation between the carrier frame and the base frame from another perspective of Example 2 of the present application;

[0033] Figure 6 This is a structural diagram of the base frame of Example 2 of the present application.

[0034] Figure 7 This is a structural diagram of the cooperation between the paper picking device, paper receiving device and supporting frame of Example 3 of the present application.

[0035] Figure 8 This is a structural schematic diagram of the paper splicing device of Example 3 of the present application.

[0036] Figure 9 This is a structural schematic diagram of the paper transfer rack of Example 3 of the present application.

[0037] exist Figures 1 to 9 Reference numerals in the figures include:

[0038] 1. Base frame; 2. Carrying frame; 3. Movable adjustment block; 4. Material stopper; 5. Adjustment shaft; 6. Driving wheel; 7. Threaded adjustment part; 8. Guide plate; 9. Guide groove; 10. Avoidance groove; 11. Paper pick-up bracket; 12. Front and rear drive element; 13. Moving seat; 14. Up and down drive element; 15. Adsorption bracket; 16. First suction nozzle; 17. Movable bracket; 18. Paper pick-up drive element; 19. Second suction nozzle; 20. Inclined guide groove; 21. Guide shaft

[0039] 301, paper receiving device; 302, paper receiving bracket; 303, paper conveying mechanism; 304, paper conveying rack; 305, paper conveying belt; 306, guide bracket; 307, guide conveying wheel;

[0040] 330. First paper feed mechanism; 331. Second paper feed mechanism; 332. First paper feed drive assembly; 333. First paper feed conveyor belt; 334. First active paper feed shaft; 335. First driven paper feed shaft; 336. First paper feed roller; 337. Second paper feed roller; 339. Second paper feed conveyor belt; 340. Second active paper feed shaft; 341. Second driven paper feed shaft; 342. Front end guide shaft. DETAILED DESCRIPTION

[0041] Example 1

[0042] A wrinkle-resistant paper feeding and taking-up method according to Example 1 of the present application is as follows: Figure 1 As shown, it includes the following steps:

[0043] S1, stacking a plurality of paper sheets in a stacked manner on a supporting frame 2 arranged in an arc or trapezoidal shape to form a paper pile;

[0044] S2, the paper picking device picks up paper from above the carrier 2;

[0045] S3, the driving mechanism of the paper picking device drives the adsorption bracket 15 to move so that the first suction nozzle 16 is aligned with the front middle part of the paper for adsorption;

[0046] S4, then driving the movable brackets 17 on both sides of the adsorption bracket 15 to rotate so that the second suction nozzles 19 on both sides are aligned with both sides of the paper for adsorption;

[0047] S5. The paper is sucked up and raised, and transferred to the paper loading position for transportation.

[0048] Example 1 of the present application adopts an arc-shaped or trapezoidal manner and method to stack paper, so that when multiple sheets of paper are stacked in multiple layers, the two sides of the paper can be placed facing each other. Under the effect of multi-layer stacking, the two sides of the paper are pressed downward and straightened by gravity, which effectively solves the problem that multiple sheets of paper on the horizontal paper stacking rack will have wrinkles. At the same time, a paper picking device adapted to the arc or trapezoid is used, and the mutual cooperation between the adsorption bracket 15 and the movable bracket 17 is used to drive the first suction nozzle 16 and the second suction nozzle 19 to perfectly adapt to the arc-shaped or trapezoidal stacked paper, which is conducive to improving production efficiency and paper picking stability.

[0049] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0050] In Example 1 of the present application, movable brackets 17 are movably provided on both sides of the adsorption bracket 15, and a plurality of first suction nozzles 16 are provided at the middle portion of the lower end of the adsorption bracket 15. A paper pickup drive 18 is also provided on both sides of the adsorption bracket 15, and the output end of the paper pickup drive is movably connected to the movable bracket 17. The lower end of the movable bracket is provided with a plurality of second suction nozzles 19. Specifically, under this arrangement, in the paper pickup mode of Example 1 of the present application, the first and second suction nozzles of the paper pickup device can perfectly fit the curved or trapezoidal stack of paper, thereby improving the adsorption effect, ensuring the ability and reliability of the present application embodiment to transfer paper, and improving production efficiency and stability.

[0051] Example 2

[0052] A wrinkle-resistant paper loading and unloading device according to Example 2 of the present application, such as Figures 1 to 5As shown, the apparatus comprises a carrier 2 and a paper picking device. The carrier 2 has an arcuate or trapezoidal cross-section. The paper picking device comprises a drive mechanism and an adsorption bracket 15 connected to the drive mechanism. A plurality of first suction nozzles 16 are provided at the middle portion of the lower end of the adsorption bracket 15. A movable bracket 17 is movably provided on both sides of the adsorption bracket 15. A paper picking drive 18 is further provided on both sides of the adsorption bracket 15. The output end of the paper picking drive 18 is movably connected to the movable bracket 17. A plurality of second suction nozzles 19 are provided at the lower end of the movable bracket 17. Specifically, by using the carrier 2 having an arcuate or trapezoidal shape, multiple sheets of paper are placed on the carrier 2 in a multi-layer stack. The two sides of the sheets can be placed facing each other. Under the effect of the multi-layer stacking, the two sides of the sheets are pressed downward by gravity to be flattened and straightened, effectively solving the problem of wrinkles on multiple sheets of paper on a horizontal paper stack. The multiple layers of paper placed on the carrier 2 are pressed downward layer by layer, flattening and straightening the sheets, making it easier for subsequent external equipment to pick up the paper, thereby improving operation and production efficiency and reducing labor costs.

[0053] Furthermore, when taking paper, the driving mechanism is used to drive the adsorption bracket 15 to move, and the first suction nozzle 16 of the adsorption bracket 15 and the second suction nozzle 19 of the movable bracket 17 cooperate with the driving mechanism and the paper taking drive 186, so that the first suction nozzle 16 and the second suction nozzle 19 can be adapted to the supporting frame 2 with an arc or trapezoidal arrangement, so as to facilitate the adsorption and loading of paper on the supporting frame 2, thereby improving the reliability and stability of paper taking.

[0054] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0055] In the embodiment of the present application, the driving mechanism includes a paper picking bracket 11, a front and rear driving member 12 installed on the paper picking bracket 11, a movable seat 13 connected to the output end of the front and rear driving member 12, and an upper and lower driving member 14 installed on the movable seat 13, and the output end of the upper and lower driving member 14 is connected to the adsorption bracket 15. Furthermore, both ends of the adsorption bracket 15 are respectively penetrated by an inclined guide groove 20, and one end of the movable bracket 17 is provided with a guide shaft 21, and the guide shaft 21 is slidably set in the inclined guide groove 20; specifically, when it is necessary to deliver the stack of papers on the carrier 2 one by one, during operation, the adsorption bracket 15 is driven to move by the driving mechanism, and the papers on the stack are sucked one by one, and the front and rear driving members 12 and the upper and lower driving members 14 are used to drive the adsorption bracket 15 to move up and down and forward and backward, and the first suction nozzle 16 is used to suck the middle of the paper, and then the paper picking driving member 18 drives the movable The bracket 17 moves, driving the movable bracket 17 to move along the inclined guide groove 20, tilting downward, driving the second suction nozzle 19 to move synchronously, and utilizing the second suction nozzle 19 to absorb the wrapping paper on the arc-shaped or trapezoidal paper stacking bracket to better adapt to the shape of the paper stack, thereby improving the absorption effect and transmission stability. After the paper is absorbed, the paper-taking driving member 18 drives the movable bracket 17 to reset, so that the first suction nozzle 16 and the second suction nozzle 19 are located on the same horizontal line, and then the paper is driven to the corresponding paper receiving position by the front and rear driving members 12 and the up and down driving members 14.

[0056] Preferably, a plurality of first suction nozzles 16 are arranged in a row at equal intervals at the lower end of the adsorption bracket 15 .

[0057] In this embodiment of the present application, the paper retrieving device further comprises a base frame 1, with a carrier frame 2 mounted on the base frame 1. A retaining member is also mounted on the base frame 1, the upper end of which extends to one side of the carrier frame 2 to retain one side of the paper. Specifically, this arrangement can block one side of the paper on the side of the carrier frame 2, preventing the paper from slipping off the carrier frame 2.

[0058] In the embodiment of the present application, the material stopper assembly includes a movable adjustment block 3, a plurality of material stopper bodies 4 mounted on the movable adjustment block 3, and an adjustment mechanism for driving the movable adjustment block 3 to reciprocate in the width direction of the carrier 2. The adjustment mechanism includes an adjustment shaft 5 and a driving wheel 6. The adjustment shaft 5 is rotatably arranged on the base frame 1. The adjustment shaft 5 is also provided with a threaded adjustment portion 7. The movable adjustment block 3 is threadedly sleeved on the outer periphery of the threaded adjustment portion 7. One end of the adjustment shaft 5 extends out of one side of the base frame 1 and is connected to the driving wheel 6. Specifically, the driving wheel 6 can be driven manually or electrically to drive the adjustment shaft 5 to rotate. By rotating the adjustment shaft 5 forward or reversely, the movable adjustment block 3 is driven to reciprocate along the threaded adjustment portion, that is, the movable adjustment block 3 is driven to move back and forth in the width direction of the carrier 2, and then the material stopper bodies 4 are driven to move. This can adapt to different sizes of paper, so that the carrier 2 can carry different sizes of paper, thereby improving the flexibility of the embodiment of the present application.

[0059] In the embodiment of the present application, the number of driving wheels 6 and the number of adjusting shafts 5 are set correspondingly, and multiple driving wheels 6 can be connected in transmission.

[0060] In the embodiment of the present application, a guide slide 8 is provided on the movable adjustment block 3, and a guide slide groove 9 is provided on the base frame 1. The guide slide 8 is slidably arranged in the guide slide groove 9. Specifically, under the above arrangement, it can play a role in guiding sliding and ensure the smoothness and stability of sliding.

[0061] In the embodiment of the present application, a plurality of guide slides 8 and guide slots 9 are provided, with each guide slide 8 corresponding to each guide slot 9; a material stopper 4 corresponds to each guide slide 8; and the material stopper 4 is detachably mounted on the guide slide 8. The carrier 2 is provided with a plurality of avoidance slots 10, which are provided corresponding to the material stopper 4. Specifically, the avoidance slots 10 can provide an avoidance effect, facilitating the movement of the material stopper 4.

[0062] Example 3

[0063] In Example 3 of the present application, Figures 7 to 9 As shown, it also includes a paper receiving device 301, which also includes a paper receiving bracket 302 and a paper conveying mechanism 303 installed on the paper receiving bracket 302; the paper conveying mechanism 303 includes a paper conveying rack 304 installed on the paper receiving bracket 302, a paper conveying belt 305 installed on the paper receiving bracket 302, and a paper conveying drive component that drives the paper conveying belt 305 to move, and a paper conveying channel for paper to pass through is formed between the paper conveying belt 305 and the paper conveying rack 304.

[0064] Among them, the paper receiving device 301 also includes a first paper feeding mechanism 330 installed on the paper receiving bracket 302 and a second paper feeding mechanism 331 installed on the paper receiving bracket 302; the first paper feeding mechanism 330 and the second paper feeding mechanism 331 are arranged in parallel, and the paper picking device is used to take and place the stacked papers one by one between the first paper feeding mechanism 330 and the second paper feeding mechanism 331, and the first paper feeding mechanism 330 and the second paper feeding mechanism 331 cooperate to feed the papers into the paper transmission channel of the paper transmission mechanism 303.

[0065] The first paper feeding mechanism 330 includes a first paper feeding drive assembly 332, a first paper feeding belt 333, a first active paper feeding shaft 334, a first driven paper feeding shaft 335, a first paper feeding roller 336, and a second paper feeding roller 337. The first active paper feeding shaft 334, the first driven paper feeding shaft 335, the first paper feeding roller 336, and the second paper feeding roller 337 are rotatably mounted on the paper receiving bracket 302.

[0066] The first paper feeding drive assembly 332 is used to drive the first active paper feeding shaft 334 to rotate. The first paper feeding conveyor belt 333 is wound around the first active paper feeding shaft 334, the first driven paper feeding shaft 335, the first paper feeding roller 336 and the second paper feeding roller 337.

[0067] The second paper feeding mechanism 331 includes a second paper feeding drive assembly, a second paper feeding conveyor belt 339, a second active paper feeding shaft 340, a second driven paper feeding shaft 341, and a front lead-in shaft 342. The second active paper feeding shaft 340, the second driven paper feeding shaft 341, and the front lead-in shaft 342 are rotatably mounted on the paper receiving bracket 302.

[0068] The second paper feed drive assembly is used to drive the second active paper feed shaft 340 to rotate. The second paper feed conveyor belt 339 is wound around the second active paper feed shaft 340, the second driven paper feed shaft 341, and the front lead-in shaft 342. The first paper feed conveyor belt 333 and the second paper feed conveyor belt 339 are in sliding contact with each other.

[0069] Furthermore, a transmission channel connected to the paper transmission channel is formed between the first paper feeding conveyor belt 333 and the second paper feeding conveyor belt 339 to facilitate the paper to be transported forward.

[0070] Specifically, when the stack of papers on the carrier 2 needs to be fed out sheet by sheet, the paper picking device sucks up the papers on the stack one by one, and the front and rear driving members and the upper and lower driving members drive the adsorption bracket to move up and down and forward and backward, and the first suction nozzle and the second suction nozzle suck up the papers and move the papers between the first paper feeding mechanism 330 and the second paper feeding mechanism 331; the first paper feeding driving assembly 332 drives the first active paper feeding shaft 334 to rotate, driving the first paper feeding conveyor belt 333 to move, and the second paper feeding driving assembly drives the second active paper feeding shaft 340 to rotate, driving the second paper feeding conveyor belt 339 to move, and the first paper feeding conveyor belt 333 and the second paper feeding conveyor belt 339 are arranged side by side and slide against each other, and the papers are between the first paper feeding conveyor belt 333 and the second paper feeding conveyor belt 339. When moving, the first paper feeding conveyor belt 333 and the second paper feeding conveyor belt 339 drive the papers to move and send the papers to the paper conveying channel, so that the papers can be transported forward in the paper conveying channel to send the papers out for packaging.

[0071] In Example 3 of the present application, it is further configured as follows: a guide transmission assembly is also provided on the paper transmission rack 304; the guide transmission assembly includes a plurality of guide brackets 306 arranged in an array, each guide bracket is rotatably connected to a guide transmission wheel 307, the guide transmission wheel slides against the paper transmission belt 305, and the packaging paper or paper passes between the guide transmission wheel and the paper transmission belt 305; wherein, in the guide transmission assembly, the guide transmission wheels along at least one column of the paper transmission belt are inclined, and a guide rib is provided on one side of the paper transmission rack 304, wherein the inclined guide transmission wheel faces the guide rib to ensure that the transmission direction of the paper is corrected when it passes through the paper transmission channel, thereby ensuring the stability and reliability of subsequent processing and packaging.

[0072] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0073] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. A wrinkle-resistant paper loading and unloading device, characterized by: The invention comprises a carrier and a paper picking device, wherein the cross section of the carrier is arc-shaped or trapezoidal; the paper picking device comprises a driving mechanism and an adsorption bracket connected to the driving mechanism, a plurality of first suction nozzles are provided at the lower end of the adsorption bracket, movable brackets are movably provided on both sides of the adsorption bracket, and a paper picking driving member is further provided on both sides of the adsorption bracket, wherein the output end of the paper picking driving member is movably connected to the movable bracket, and a plurality of second suction nozzles are provided at the lower end of the movable bracket; When taking paper, the driving mechanism is used to drive the adsorption bracket to move, and the first suction nozzle of the adsorption bracket and the second suction nozzle of the movable bracket cooperate with the driving mechanism and the paper taking driving member so that the first suction nozzle and the second suction nozzle are adapted to the supporting frame arranged in an arc shape or a trapezoidal shape; The driving mechanism includes a paper picking bracket, front and rear driving members installed on the paper picking bracket, a movable base connected to the output ends of the front and rear driving members, and an up and down driving member installed on the movable base, wherein the output ends of the up and down driving members are connected to the adsorption bracket; Both ends of the adsorption bracket are respectively provided with oblique guide grooves, and one end of the movable bracket is provided with a guide shaft, and the guide shaft is slidably provided in the oblique guide groove; The driving mechanism includes a paper picking bracket, front and rear driving members installed on the paper picking bracket, a movable base connected to the output ends of the front and rear driving members, and an up and down driving member installed on the movable base, wherein the output ends of the up and down driving members are connected to the adsorption bracket; When the stack of papers on the carrier needs to be delivered one by one, during operation, the adsorption bracket is driven to move by the driving mechanism to absorb the papers on the paper pile one by one, and the front and rear driving members and the up and down driving members are used to drive the adsorption bracket to move up and down and back and forth, and the first suction nozzle is used to absorb the middle of the paper, and then the paper picking driving member drives the movable bracket to move, driving the movable bracket to move along the inclined guide groove, tilting downward, and driving the second suction nozzle to move synchronously, and using the second suction nozzle to absorb the packaging paper on the arc-shaped or trapezoidal paper pile bracket to adapt to the shape of the paper pile. After the paper is absorbed, the paper picking driving member drives the movable bracket to reset, so that the first suction nozzle and the second suction nozzle are located on the same horizontal line, and then the paper is driven to the corresponding paper receiving position by the front and rear driving members and the up and down driving members.

2. The wrinkle-resistant paper loading and unloading device according to claim 1, characterized in that: It also includes a base frame, and the supporting frame is installed on the base frame; the base frame is also equipped with a blocking component, and the upper end of the blocking component extends to one side of the supporting frame to block one side of the paper.

3. The wrinkle-resistant paper loading and unloading device according to claim 2, characterized in that: The material blocking assembly includes a movable adjustment block, a plurality of material blocking bodies mounted on the movable adjustment block, and an adjustment mechanism for driving the movable adjustment block to reciprocate in the width direction of the carrier; the adjustment mechanism includes an adjustment shaft and a driving wheel, the adjustment shaft is rotatably arranged on the base frame, the adjustment shaft is further provided with a threaded adjustment portion, and the movable adjustment block is threadedly sleeved on the outer periphery of the threaded adjustment portion; One end of the adjusting shaft extends out of one side of the base frame and is connected to the driving wheel.

4. The wrinkle-resistant paper loading and unloading device according to claim 3, characterized in that: The movable adjustment block is provided with a guide slide, the base frame is provided with a guide slide groove, and the guide slide is slidably arranged in the guide slide groove.

5. The wrinkle-resistant paper loading and unloading device according to claim 3, characterized in that: The supporting frame is provided with a plurality of avoidance grooves, and the avoidance grooves are arranged corresponding to the material blocking bodies.

6. A paper loading and unloading method based on the wrinkle-resistant paper loading and unloading device according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1. stacking a plurality of paper sheets in a stacked manner on an arc-shaped or trapezoidal support frame to form a paper pile; S2, the paper picking device picks up paper from above the carrier; S3, the driving mechanism of the paper picking device drives the adsorption bracket to move so that the first suction nozzle is aligned with the front middle part of the paper to adsorb; S4, then driving the movable brackets on both sides of the adsorption bracket to rotate so that the second suction nozzles on both sides are aligned with both sides of the paper for adsorption; S5. The paper is sucked up and raised, and transferred to the paper loading position for transportation.

Images