A horizontal paper clamping and plate placing machine

Abstract

The utility model belongs to paperboard sorting technical field especially relates to a horizontal paper clamping and placing machine for separating film and PCB board, is equipped with gantry in, including storage warehouse, horizontal moving mechanism, film storage warehouse and PCB board storage warehouse. Through the synchronous movement of first plate suction assembly and second plate suction assembly on horizontal moving mechanism, can simultaneously adsorb and separate PCB board and film, greatly improve the separation efficiency, reduce the time loss of traditional step operation. And film storage warehouse and PCB board storage warehouse are equipped with film lifting mechanism and center positioning mechanism respectively, realize the neat stacking storage of film and PCB board, reduce manual intervention, improve the production automation degree.

Description

Technical Field

[0001] This utility model belongs to the field of cardboard sorting technology, and in particular relates to a horizontal paper clamping and board feeding machine. Background Technology

[0002] In the manufacturing process of printed circuit boards (PCBs), a release film is typically placed between adjacent PCBs to ensure surface quality and prevent scratches or contamination during transportation or storage. This cross-stacking method effectively prevents direct contact between PCBs, thereby reducing surface damage caused by friction or pressure. However, in subsequent processing or assembly stages, the PCBs need to be separated from the release film for individual PCB processing and for recycling the release film.

[0003] Traditional separation methods mainly rely on manual operation or semi-automated equipment. Manual separation is inefficient and prone to damage to PCB boards or films due to improper operation, affecting product quality. In addition, the separated films cannot be neatly stacked and stored, increasing operational complexity and labor costs. Utility Model Content

[0004] The purpose of this invention is to provide a horizontal paper clamping and plate feeding machine, which aims to solve the technical problems of easy scratching and inconvenient storage of the separating film in the prior art.

[0005] To achieve the above objectives, this utility model provides a horizontal paper clamping and board feeding machine for separating film and PCB boards. It includes a frame comprising a storage bin, a transverse movement mechanism, a film storage bin, and a PCB board storage bin. The storage bin is located inside the frame and contains cross-stacked film and PCB boards. A paperboard lifting mechanism is also located within the storage bin. The transverse movement mechanism is connected to the inside of the frame and includes two identical first suction plate assemblies and a second suction plate assemblies that move synchronously. The film storage bin is located on one side of the storage bin and contains a film lifting mechanism. The PCB board storage bin is located on the other side of the storage bin and contains a conveying mechanism and a center positioning mechanism. The center positioning mechanism is located on one side of the conveying mechanism.

[0006] Furthermore, the traversing mechanism includes a traversing base plate, a traversing motor, a first drive plate, and a second drive plate. The traversing base plate is connected to the inner wall of the frame, and the traversing motor is connected to one side of the traversing base plate. The drive end of the traversing motor is connected to the track on the traversing base plate. The first drive plate and the second drive plate are fixedly connected by a connecting rod, and both the first drive plate and the second drive plate are movably connected to the track. Driven by the traversing motor, the first drive plate and the second drive plate move toward the film storage warehouse or the PCB board storage warehouse.

[0007] Furthermore, the first suction plate assembly includes a suction plate lifting assembly and an electromagnetic suction plate assembly; the first drive plate is provided with a suction plate lifting assembly with the drive end facing downward, the drive end of the suction plate lifting assembly is connected to the electromagnetic suction plate assembly, and the electromagnetic suction plate assembly is driven to descend to pick up the film; the second suction plate assembly is disposed on the second drive plate to pick up the PCB board.

[0008] Furthermore, the cardboard lifting mechanism includes a first lifting motor, a first screw, and a first lifting seat. A first platform is provided inside the frame, and the first lifting motor is located below the first platform. The drive end of the first lifting motor is rotatably connected to a first fixed seat on the first screw. One end of the first screw is located at the bottom of the frame, and the other end is connected to the first platform. The first screw is also provided with a threaded first nut seat, and the first nut seat is provided with a first support seat. The corner end of the first support seat is provided with a first guide rod that passes upward through the first platform, and the other end of the first guide rod is connected to the first lifting seat.

[0009] Furthermore, both sides of the material storage silo and the film storage silo are equipped with baffles.

[0010] Furthermore, brushes are installed on the baffles on both sides of the storage silo.

[0011] Furthermore, the storage silo is also equipped with an air jet detection unit, including an air inlet pipe and an air jet nozzle; the baffle plate is hollow, with an air inlet pipe on its lower side and an air jet nozzle on its upper side. After the air enters through the air inlet pipe, it passes through the main body of the baffle plate and is ejected from the air jet nozzle.

[0012] Furthermore, the conveying mechanism includes a conveying platform, several guide rollers, and a conveying motor. The conveying platform is set inside the frame, and the lower end of the conveying platform is equipped with a conveying motor. Its driving end is connected to the guide rollers located on the conveying platform to drive the guide rollers to rotate in the same direction.

[0013] Furthermore, the central positioning mechanism includes a top extension assembly and a positioning assembly. The top extension assembly includes a top extension member, a top extension cylinder, and a top extension seat. A fixed plate is provided below the conveying mechanism. A top extension cylinder is provided on the fixed plate, and its driving end is connected to the upward-facing top extension seat. The top extension seat is provided with multiple top extension members that are inserted between the two guide rollers, and the top extension members are higher than the guide rollers.

[0014] Furthermore, the positioning assembly includes a first positioning plate, a second positioning plate, a positioning frame, and a positioning motor. The positioning frame is located below the conveyor table. The positioning motor is connected to one side of the positioning frame, and a positioning seat is provided on the other side. The drive end of the positioning motor is connected to the positioning seat via a belt. Two parallel positioning guide rods are provided between the positioning frames. The first positioning plate and the second positioning plate, which are connected to the belt, slide on the positioning guide rods. The first positioning plate and the second positioning plate are respectively connected to the side of the belt that moves in the forward and reverse directions. The first positioning plate and the second positioning plate pass through the guide roller and the top extension member in sequence and are located above the top extension member.

[0015] The above-mentioned technical solutions of the horizontal paper clamping and plate feeding machine provided in this embodiment of the utility model have at least one of the following technical effects:

[0016] In this design, the first and second suction plate components on the transverse mechanism move synchronously, enabling the simultaneous adsorption and separation of PCB boards and films, significantly improving separation efficiency and reducing the time lost in traditional step-by-step operations. Furthermore, the film storage and PCB board storage are equipped with film lifting mechanisms and central positioning mechanisms respectively, achieving neat stacking and storage of films and PCB boards, reducing manual intervention, and increasing the degree of production automation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of a horizontal paper clamping and feeding machine provided in an embodiment of the present utility model;

[0019] Figure 2 Schematic diagram of the internal structure of the horizontal paper clamping and feeding machine provided in the embodiment of this utility model Figure 1 ;

[0020] Figure 3 A schematic diagram of the transverse movement mechanism of the horizontal paper clamping and feeding machine provided in an embodiment of this utility model;

[0021] Figure 4 A schematic diagram of the storage bin of the horizontal paper clamping and unloading machine provided in this embodiment of the utility model;

[0022] Figure 5 A schematic diagram of the film storage compartment of the horizontal paper clamping and plate feeding machine provided in this embodiment of the utility model;

[0023] Figure 6 A schematic diagram of the conveying mechanism of the horizontal paper clamping and feeding machine provided in an embodiment of this utility model;

[0024] Figure 7 A schematic diagram of the top extension assembly of the horizontal paper clamping and feeding machine provided in an embodiment of this utility model;

[0025] Figure 8 A schematic diagram of the positioning component of the horizontal paper clamping and feeding machine provided in an embodiment of this utility model.

[0026] The following are the labeling elements in the figure:

[0027] 100. Rack; 110. Film; 120. PCB board;

[0028] 200. Storage bin; 210. Cardboard lifting mechanism; 211. First lifting motor; 212. First screw; 213. First lifting seat; 214. First platform; 215. First fixed seat; 216. First nut seat; 217. First support seat; 218. First guide rod; 220. Baffle plate; 230. Brush; 240. Air jet detection unit; 241. Air inlet pipe; 242. Air jet nozzle;

[0029] 300. Horizontal movement mechanism; 301. Horizontal movement base plate; 302. Horizontal movement motor; 303. First drive plate; 304. Second drive plate; 310. First suction plate assembly; 311. Suction plate lifting assembly; 312. Electromagnetic suction plate assembly; 320. Second suction plate assembly;

[0030] 400. Film storage compartment; 410. Film lifting mechanism; 411. Second lifting motor; 412. Second screw; 413. Second lifting seat; 414. Second platform; 415. Second fixed seat; 416. Second nut seat; 417. Second support seat; 418. Second guide rod;

[0031] 500. PCB board storage warehouse; 510. Conveying mechanism; 511. Conveying table; 512. Guide roller; 513. Conveying motor; 520. Center positioning mechanism; 530. Top extension assembly; 531. Top extension component; 532. Top extension cylinder; 533. Top extension seat; 534. Fixing plate; 540. Positioning assembly; 541. First positioning plate; 542. Second positioning plate; 543. Positioning frame; 544. Positioning motor; 545. Positioning seat; 546. Positioning guide rod.

[0032] 600. Movable limit component; 610. Movable guide rod; 611. Baffle connecting block; 612. Limit block; 613. Limit cylinder. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below, examples of which are shown in the accompanying drawings 1-8, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The following description is based on the accompanying drawings. Figure 1-8 The described embodiments are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0034] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0037] In one embodiment of this utility model, such as Figure 1-2 As shown, a horizontal paper clamping and board feeding machine is provided for separating film and PCB board 120. It includes a frame 100, a storage bin 200, a transverse movement mechanism 300, a film storage bin 400, and a PCB board storage bin 500. The storage bin 200 is located inside the frame 100 and contains cross-stacked film and PCB board 120. A paperboard lifting mechanism 210 is also located within the storage bin 200. The transverse movement mechanism 300 is connected to the inside of the frame 100 and includes two identical first suction plate assemblies 310 and a second suction plate assembly 320, which move synchronously. The film storage bin 400 is located on one side of the storage bin 200 and contains the film lifting mechanism 410. The PCB board storage warehouse 500 is located on the other side of the storage warehouse 200. The PCB board storage warehouse 500 is equipped with a conveying mechanism 510 and a center positioning mechanism 520. The center positioning mechanism 520 is located on one side of the conveying mechanism 510.

[0038] Specifically, the PCB boards 120 and films 110, which are stacked in a cross pattern, are placed into the storage hopper 200. The cardboard lifting mechanism 210 adjusts the stacking height as needed to ensure accurate material retrieval. The lateral movement mechanism 300 drives the first suction plate assembly 310 and the second suction plate assembly 320 to move synchronously. The first suction plate assembly 310 first reaches the top of the storage hopper 200 and picks up the top layer of films 110. The lateral movement mechanism 300 drives the first suction plate assembly 310 to move to the film storage hopper 400 and puts the films 110 into the film storage hopper 400. The film lifting mechanism 410 adjusts the storage height to achieve automatic stacking and storage of the films 110. The second suction plate assembly 320 reaches the top of the discharge hopper and picks up the sequentially placed PCB boards 120. After the first suction plate assembly 310 resets, the transverse moving mechanism 300 synchronously drives both to move in opposite directions. The second suction plate assembly 320 reaches the PCB board storage hopper 500 and stores the PCB boards 120 in it. The center positioning mechanism 520 positions and aligns the PCB boards 120, and the conveying mechanism 510 flows the PCB boards 120 out. At this time, the first suction plate assembly 310 returns to the top of the storage hopper 200 and continues the cycle to the next cycle, ensuring that the PCB boards 120 and the film 110 are simultaneously adsorbed and separated.

[0039] Furthermore, such as Figure 3 As shown, the traverse mechanism 300 includes a traverse base plate 301, a traverse motor 302, a first drive plate 303, and a second drive plate 304. The distance between the first drive plate 303 and the second drive plate 304 is adapted to the distance between the storage silo 200 and the film storage silo 400, and between the storage silo 200 and the PCB board storage silo 500. The traverse base plate 301 is connected to the inner wall of the frame 100. The traverse motor 302 is connected to one side of the traverse base plate 301, and the drive end of the traverse motor 302 is connected to the track on the traverse base plate 301. The first drive plate 303 and the second drive plate 304 are fixedly connected by a connecting rod, and both the first drive plate 303 and the second drive plate 304 are movably connected to the track. Driven by the traverse motor 302, the first drive plate 303 and the second drive plate 304 move toward the film storage silo 400 or the PCB board storage silo 500. Specifically, the lateral motor 302 drives the track, causing the first drive plate 303 and the second drive plate 304 to move synchronously, ensuring that the PCB board 120 and the film 110 are simultaneously adsorbed and separated, thereby improving efficiency.

[0040] Furthermore, such as Figure 3As shown, the first suction plate assembly 310 includes a suction plate lifting assembly 311 and an electromagnetic suction plate assembly 312. The first drive plate 303 has a suction plate lifting assembly 311 with its driving end facing downwards. The driving end of the suction plate lifting assembly 311 is connected to the electromagnetic suction plate assembly 312, driving the electromagnetic suction plate assembly 312 to descend and pick up the film 110. The second suction plate assembly 320 is disposed on the second drive plate 304 to pick up the PCB board 120. Specifically, the electromagnetic suction plate assembly 312 can stably adsorb the film 110, preventing slippage or displacement. The suction plate lifting assembly 311 can adjust its adsorption height to adapt to films 110 and PCB boards 120 of different thicknesses. The suction plate lifting assembly 311 can be cylinder-driven to improve efficiency.

[0041] Furthermore, such as Figure 4 As shown, the cardboard lifting mechanism 210 includes a first lifting motor 211, a first screw 212, and a first lifting seat 213. A first platform 214 is provided inside the frame 100. The first lifting motor 211 is located below the first platform 214. The drive end of the first lifting motor 211 is rotatably connected to a first fixed seat 215 on the first screw 212. One end of the first screw 212 is located at the bottom of the frame 100, and the other end is connected to the first platform 214. A first nut seat 216 with a threaded connection is also provided on the first screw 212. A first support seat 217 is provided on the first nut seat 216. A first guide rod 218 extending upwards through the first platform 214 is provided at the corner end of the first support seat 217. The other end of the first guide rod 218 is connected to the first lifting seat 213. This allows for adjustment of the loading and unloading height of the film 110 and PCB board 120 within the storage tank 200.

[0042] Furthermore, such as Figure 5 As shown, the film lifting mechanism 410 includes a second lifting motor 411, a second screw 412, and a second lifting seat 413. A second platform 414 is provided inside the frame 100. The second lifting motor 411 is located below the second platform 414. The drive end of the second lifting motor 411 is rotatably connected to a second fixed seat 415 on the screw. One end of the second screw 412 is located at the bottom of the frame 100, and the other end is connected to the second platform 414. A threaded second nut seat 416 is also provided on the second screw 412. A second support seat 417 is provided on the second nut seat 416. A second guide rod 418, pointing upwards and passing through the second platform 414, is provided at the corner end of the second support seat 417. The other end of the second guide rod 418 is connected to the second lifting seat 413. This allows for adjustment of the loading and unloading height of the film 110 within the film storage compartment 400.

[0043] Furthermore, such as Figure 5As shown, a movable limiting component 600 is provided below the baffle plate 220 on the same side of the film storage 400 and the material storage 200. Taking the film storage 400 as an example, the movable limiting component 600 includes a movable guide rod 610, a baffle connecting block 611, a limiting block 612, and a limiting cylinder 613. The movable guide rod 610 is set on the second platform 414. The upper side of the baffle connecting block 611 is connected to the baffle plate 220, and the lower side is movably set on the movable guide rod 610. The limiting cylinder 613 is set above the baffle connecting block 611. The driving end of the limiting cylinder 613 passes downward through the baffle connecting block 611 and is connected to the limiting block 612. The limiting block 612 abuts against the second platform 414 to fix the baffle plate 220. This allows control over the width of the baffle plate 220 on one side to accommodate different sizes of films 110 and PCB boards 120.

[0044] Furthermore, such as Figure 4 As shown, both the material storage silo 200 and the film storage silo 400 are equipped with baffles 220 on both sides. When materials are placed into the material storage silo 200 or the film storage silo 400, the baffles 220 on both sides ensure that they are aligned and prevent skewing.

[0045] Furthermore, such as Figure 4 As shown, brushes 230 are provided on the baffle plates 220 on both sides of the storage tank 200. When the film 110 or PCB board 120 is attracted, due to static electricity or slight adhesion, another film or board may be attached to the bottom. Therefore, brushes 230 are provided during the adsorption process. When the two boards pass through the brushes 230, the film or board on the lower layer is easy to fall off due to the resistance of the fine hair roots, thus solving the problem of overlap between the film 110 and the PCB board 120.

[0046] Furthermore, such as Figure 4 As shown, the storage bin 200 is also equipped with an air jet detection unit 240, including an air inlet pipe 241 and an air jet nozzle 242; the baffle plate 220 is hollow, with an air inlet pipe 241 on its lower side and an air jet nozzle 242 on its upper side. After air enters through the air inlet pipe 241, it passes through the main body of the baffle plate 220 and is ejected from the air jet nozzle 242. The air jet detection unit 240 also detects the problem of double-plate adsorption. When the double plates pass by, the air jet nozzle 242 blows gas into the gap between the two plates, causing the two plates to separate and solving the problem of overlap between the film 110 and the PCB board 120.

[0047] Furthermore, such as Figure 6 As shown, the conveying mechanism 510 includes a conveying platform 511, a plurality of guide rollers 512 and a conveying motor 513. The conveying platform 511 is installed inside the frame 100. The lower end of the conveying platform 511 is provided with a conveying motor 513, the driving end of which is connected to the guide rollers 512 located on the conveying platform 511 to drive the guide rollers 512 to rotate in the same direction.

[0048] Furthermore, such as Figure 7 , 8 As shown, the center positioning mechanism 520 includes a top extension assembly 530 and a positioning assembly 540. The top extension assembly 530 includes a top extension member 531, a top extension cylinder 532, and a top extension seat 533. A fixed plate 534 is provided below the conveying mechanism 510. The fixed plate 534 is provided with a top extension cylinder 532, the drive end of which is connected to the upward-facing top extension seat 533. The top extension seat 533 is provided with a plurality of top extension members 531 inserted between the two guide rollers 512, and the top extension members 531 are higher than the guide rollers 512. The positioning assembly 540 includes a first positioning plate 541, a second positioning plate 542, a positioning frame 543, and a positioning motor 544. The positioning frame 543 is located below the conveyor table 511. The positioning motor 544 is connected to one side of the positioning frame 543, and a positioning seat 545 is provided on the other side. The drive end of the positioning motor 544 is connected to the positioning seat 545 via a belt. Two parallel positioning guide rods 546 are provided between the positioning frames 543. The first positioning plate 541 and the second positioning plate 542, which are connected to the belt, slide on the positioning guide rods 546. The first positioning plate 541 and the second positioning plate 542 are respectively connected to the side of the belt moving in the forward and reverse directions. The first positioning plate 541 and the second positioning plate 542 pass through the guide roller 512 and the top extension member 531 in sequence and are located above the top extension member 531. Specifically, the cardboard lifting mechanism 210 moves the PCB board 120 to the positioning area of ​​the PCB board storage warehouse 500. The top extension cylinder 532 drives the top extension seat 533 to rise, and the top extension member 531 lifts the PCB board 120 from below, causing the PCB board 120 to disengage from the guide roller 512. The positioning motor 544 starts, driving the first positioning plate 541 and the second positioning plate 542 to slide along the guide rod via a belt. The two positioning plates move from both sides in opposite directions to clamp the PCB board 120, completing the center alignment of the PCB board 120. The top extension member 531 descends, completing the positioning, and the PCB board 120 falls back to the guide roller 512 for continued conveying. There are clearances between the guide roller 512, the top extension member 531, and the positioning plates, ensuring that the three do not interfere with each other.

[0049] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A horizontal paper clamping and board feeding machine for separating film and PCB boards, comprising a frame, characterized in that, include A storage bin is located inside the frame, and the storage bin contains cross-stacked films and PCB boards; the storage bin is also equipped with a cardboard lifting mechanism. A transverse mechanism is connected to the inner side of the frame. The transverse mechanism is equipped with two identical first suction plate assemblies and a second suction plate assembly, which move synchronously. A film storage room is located on one side of the storage room, and a film lifting mechanism is provided inside the film storage room; A PCB board storage warehouse is located on the other side of the storage warehouse. The PCB board storage warehouse is equipped with a conveying mechanism and a central positioning mechanism, with the central positioning mechanism located on one side of the conveying mechanism.

2. The horizontal paper clamping and plate feeding machine according to claim 1, characterized in that, The traversing mechanism includes a traversing base plate, a traversing motor, a first drive plate, and a second drive plate. The traversing base plate is connected to the inner side wall of the frame, and the traversing motor is connected to one side of the traversing base plate. The drive end of the traversing motor is connected to the track on the traversing base plate. The first drive plate and the second drive plate are fixedly connected by a connecting rod, and both the first drive plate and the second drive plate are movably connected to the track. Under the drive of the traversing motor, the first drive plate and the second drive plate move toward the film storage library or the PCB board storage library.

3. The horizontal paper clamping and plate feeding machine according to claim 2, characterized in that, The first suction plate assembly includes a suction plate lifting assembly and an electromagnetic suction plate assembly; the first drive plate is provided with the suction plate lifting assembly with the driving end facing downward, the driving end of the suction plate lifting assembly is connected to the electromagnetic suction plate assembly, and the electromagnetic suction plate assembly is driven to descend to pick up the film; the second suction plate assembly is disposed on the second drive plate to pick up the PCB board.

4. The horizontal paper clamping and plate feeding machine according to claim 1, characterized in that, The cardboard lifting mechanism includes a first lifting motor, a first screw, and a first lifting seat. A first platform is provided inside the frame, and the first lifting motor is located below the first platform. The drive end of the first lifting motor is rotatably connected to a first fixed seat on the first screw. One end of the first screw is located at the bottom of the frame, and the other end is connected to the first platform. The first screw is also provided with a threaded first nut seat, and the first nut seat is provided with a first support seat. A first guide rod is provided at the corner end of the first support seat, pointing upward and passing through the first platform. The other end of the first guide rod is connected to the first lifting seat.

5. The horizontal paper clamping and plate feeding machine according to claim 1, characterized in that, Both sides of the material storage silo and the film storage silo are equipped with baffles.

6. The horizontal paper clamping and plate feeding machine according to claim 5, characterized in that, The baffles on both sides of the storage silo are equipped with brushes.

7. The horizontal paper clamping and plate feeding machine according to claim 5, characterized in that, The storage silo is also equipped with an air jet detection unit, including an air inlet pipe and an air jet outlet; the baffle plate is hollow, with the air inlet pipe on its lower side and the air jet outlet on its upper side. After air enters through the air inlet pipe, it passes through the main body of the baffle plate and is ejected from the air jet outlet.

8. The horizontal paper clamping and plate feeding machine according to claim 1, characterized in that, The conveying mechanism includes a conveying platform, several guide rollers, and a conveying motor. The conveying platform is disposed inside the frame, and the conveying motor is located at the lower end of the conveying platform. Its driving end is connected to the guide rollers located on the conveying platform to drive the guide rollers to rotate in the same direction.

9. The horizontal paper clamping and plate feeding machine according to claim 8, characterized in that, The central positioning mechanism includes a top extension assembly and a positioning assembly. The top extension assembly includes a top extension member, a top extension cylinder, and a top extension seat. A fixed plate is provided below the conveying mechanism. A top extension cylinder is provided on the fixed plate, and its driving end is connected to the upward-facing top extension seat. The top extension seat is provided with a plurality of top extension members that are inserted between the two guide rollers, and the top extension members are higher than the guide rollers.

10. The horizontal paper clamping and plate feeding machine according to claim 9, characterized in that, The positioning assembly includes a first positioning plate, a second positioning plate, a positioning frame, and a positioning motor. The positioning frame is located below the conveyor table. The positioning motor is connected to one side of the positioning frame, and a positioning seat is provided on the other side. The drive end of the positioning motor is connected to the positioning seat via a belt. Two parallel positioning guide rods are provided between the positioning frames. The first positioning plate and the second positioning plate, which are connected to the belt, slide on the positioning guide rods. The first positioning plate and the second positioning plate are respectively connected to the forward and reverse movement sides of the belt. The first positioning plate and the second positioning plate pass through the guide roller and the top extension member in sequence and are located above the top extension member.

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