A sheet transport device

Abstract

The present application provides a thin plate conveying device, relates to the technical field of plate conveying, and comprises a bearing mechanism for bearing a plate stack on an upper surface, a conveying mechanism arranged in the middle of the bearing mechanism and capable of being vertically lifted and abutting against the bottom surface of the plate stack, horizontally-opposed clamping mechanisms arranged on both sides of the bearing mechanism, the clamping mechanisms being capable of changing the vertical position through a lifting mechanism, chain-type vertical conveying mechanisms arranged on both sides of the bearing mechanism, the clamping mechanisms being capable of clamping a small part of the plate stack and placing the small part between the two chain-type vertical conveying mechanisms for support, and the plate stack above the bearing mechanism being conveyed by the conveying mechanism. The present application can separate a stacked plate stack into multiple small plate stacks and perform separation work, the small plate stacks can be conveniently extracted from the bottom for conveying, the efficiency of plate conveying can be improved, the small plate stacks can be temporarily separated and supported, and the small plate stacks can be conveyed and processed in time through the lifting mode. The present application can avoid taking the plate from the top of the plate stack for processing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plate body transportation, and in particular to a thin plate transportation device. BACKGROUND

[0002] Power distribution cabinets are often used in power equipment, and the power distribution cabinet usually has a cuboid shape. The cuboid skeleton is formed by an internal frame, and the plate bodies are installed on the five surfaces of the skeleton to complete the installation of the power distribution cabinet. In the production and transportation of the power distribution cabinet, the plate bodies are cut from steel coils, and multiple plate bodies are stacked on the ground. The edges of the plate bodies need to be processed by equipment to have bending, and some plate bodies need to be perforated to meet the assembly and fixation of the power distribution cabinet.

[0003] The plate bodies are usually stacked on the ground. When the equipment needs to be processed, personnel need to take down the plate bodies one by one from top to bottom and place them on the conveyor belt, and then transport them to the equipment for one-time forming. The efficiency of personnel taking the plate bodies is low, and the height of the stacked plate bodies should not be too high. The plate bodies need more space for stacking, which is inconvenient. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a thin plate transportation device to solve the problem of low transportation efficiency of stacked plate bodies.

[0005] Based on the technical problems in the background art, the present application provides a thin plate transportation device. The device includes a bearing mechanism for bearing plate stacks on the upper surface, a conveying mechanism arranged in the middle of the bearing mechanism and capable of vertically lifting and abutting the bottom surface of the plate stack, a clamping mechanism arranged horizontally opposite on both sides of the bearing mechanism, a lifting mechanism arranged in the clamping mechanism to change the vertical position, chain type vertical conveying mechanisms arranged on both sides of the bearing mechanism, the clamping mechanism capable of clamping a small part of the plate stack and placing it between the two chain type vertical conveying mechanisms for support, and the plate stack above the bearing mechanism being conveyed by the conveying mechanism.

[0006] Preferably, the bearing mechanism includes a frame and a limiting piece, the limiting piece is installed on one side of the conveying end of the frame, the limiting piece has an outlet in the middle, the upper end of the outlet has a gap with the upper surface of the conveying mechanism, the frame has a cavity in the middle, the conveying mechanism is located in the middle of the cavity and has a gap with both sides of the cavity, and the frame has support plates parallel to the upper surface of the frame on both sides in the cavity.

[0007] Preferably, the conveying mechanism includes a lifting assembly and a conveying assembly, the conveying assembly is arranged above the lifting assembly, the conveying belt of the conveying assembly is arranged along the X-axis direction and has a suction cavity, and a shovel plate is installed at the conveying tail end of the conveying assembly.

[0008] Preferably, the clamping mechanism comprises a base plate and two first supporting rods vertically mounted on the base plate, a box body longitudinally slidably arranged between the two first supporting rods, the two sides of the box body being connected with sliding assemblies, the two first supporting rods being provided with longitudinal first sliding grooves matched with the sliding assemblies, the box body being longitudinally slidable along the first sliding grooves through the sliding assemblies, the upper and lower sides of the first supporting rods being provided with holes, shaft body assemblies rotating along the X-axis being mounted in the holes, a transmission chain being arranged between the two shaft body assemblies, the upper and lower ends of the transmission chain being connected with the upper and lower ends of the sliding assemblies, and one of the shaft body assemblies being connected with a first driving mechanism.

[0009] Preferably, an extrusion body is slidably mounted on the box body along the X-axis, a rubber pad is mounted on the side of the extrusion body facing the stack of plates, a plurality of strip-shaped grooves along the Y-axis are arranged on the side of the rubber pad facing the stack of plates, and a pushing mechanism is connected between the extrusion body and the box body and is pushable along the X-axis.

[0010] Preferably, the chain type longitudinal conveying mechanism comprises a second supporting rod and a chain belt, the chain belt comprises a plurality of supporting assemblies, each supporting assembly comprises a first chain block and a second chain block, the ends of the first chain block and the second chain block are hingedly connected with each other, the first chain block and the second chain block are provided with grooves, the grooves of the first chain block and the second chain block are in communication to form a movable space, a supporting piece is rotatably mounted in the groove of the first chain block, and the bottom surface of the supporting piece is rotatably mounted with a supporting rod, one end of the supporting rod being slidably arranged in the groove of the second chain block.

[0011] Preferably, the side of the second supporting rod facing the stack of plates is mounted with a limiting strip, the limiting strip is provided with a limiting groove, and the edges of the first chain block and the second chain block are slidably arranged in the limiting groove.

[0012] Preferably, the two sides of the groove of the second chain block are provided with second sliding grooves, the two sides of one end of the supporting rod close to the second chain block extend out of slide rods and are arranged in the second sliding grooves, shaft blocks connected with the slide rods are slidably arranged in the second sliding grooves, elastic pieces are arranged between the shaft blocks and the ends of the second sliding grooves, and the elastic pieces can push the shaft blocks to move away from the first chain block.

[0013] Compared with the prior art, the thin plate conveying device adopts the above technical scheme and has the following technical effects:

[0014] The thin plate conveying device can separate the stacked plate stack into a plurality of small plate stacks and perform separation work, the small plate stacks can be conveniently extracted from the bottom to transport the plate bodies, the efficiency of plate body transportation can be improved, the small plate stacks can be temporarily separated and supported, the small plate stacks can be timely transported and processed through the lifting mode, and the plate bodies can be conveniently taken from the top of the plate stack. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 2 is a schematic view of the separated stack structure of the present application;

[0017] Figure 3 is a schematic view of the clamping mechanism of the present application from the top;

[0018] Figure 4 is a schematic view of the clamping mechanism and the conveying mechanism of the present application;

[0019] Figure 5 is a schematic view of the chain belt structure of the present application;

[0020] Figure 6 is a schematic view of the support assembly structure of the present application;

[0021] Figure 7 is a schematic view of the bearing mechanism and the conveying mechanism of the present application.

[0022] In the figure: 100, stack; 1, bearing mechanism; 2, conveying mechanism; 3, clamping mechanism; 4, lifting mechanism; 5, chain longitudinal conveying mechanism; 11, frame; 12, limiting piece; 121, outlet; 111, cavity; 112, support plate; 21, lifting assembly; 22, conveying assembly; 221, adsorption cavity; 222, shovel plate; 31, bottom plate; 32, first supporting rod; 33, box body; 34, sliding assembly; 321, first sliding groove; 322, hole; 35, shaft body assembly; 36, conveying chain; 37, first driving mechanism; 331, extrusion body; 332, rubber pad; 333, strip-shaped groove; 334, pushing mechanism; 51, second supporting rod; 6, chain belt; 61, support assembly; 611, first chain block; 612, second chain block; 613, slot; 614, supporting piece; 615, supporting rod; 7, limiting strip; 71, limiting groove; 616, second sliding groove; 617, sliding rod; 618, shaft block; 619, elastic piece. DETAILED DESCRIPTION

[0023] EMBODIMENT

[0024] The stack is stacked by a plurality of regular metal plate bodies, each plate body is in a solid state, so the weight of the entire stack is high, when the plate body needs to be individually punched, the plate body can only be taken from the top, in the present application, the stack is separated into a plurality of small stacks, i.e. the number of plate bodies stacked in each small stack is small, the pressure on the bottom stack is reduced, under the condition of the driving mechanism cooperating with the adsorption capacity, the bottom plate body can be separated, thereby realizing the effect of individual conveying of the stack and improving the efficiency of plate body processing.

[0025] Please refer to Figures 1 to 7The present application provides a thin plate conveying device, which comprises a bearing mechanism 1 for bearing a stack of plates 100 on the upper surface, a conveying mechanism 2 arranged in the middle of the bearing mechanism 1 and capable of being vertically lifted and abutting against the bottom surface of the stack of plates 100, a clamping mechanism 3 arranged on both sides of the bearing mechanism 1 and capable of horizontally clamping, the clamping mechanism 3 being capable of changing the vertical position through a lifting mechanism 4, chain type vertical conveying mechanisms 5 arranged on both sides of the bearing mechanism 1, the clamping mechanism 3 being capable of clamping a small part of the stack of plates 100 and placing it between the two chain type vertical conveying mechanisms 5 for support, and the stack of plates 100 above the bearing mechanism 1 being conveyed by the conveying mechanism 2; in the present scheme, the conveying mechanism 2 is arranged inside the bearing mechanism 1, the width of the conveying mechanism 2 is smaller than the width of the bearing mechanism 1, the conveying direction of the conveying mechanism 2 is the Y-axis direction, the stack of plates 100 is placed on the bearing mechanism 1 with the aid of a tool or a crane, at this time the conveying mechanism 2 does not contact the bottom plate of the stack of plates 100; at this time the clamping mechanism 3 clamps a certain plate from above to below of the stack of plates 100 and moves it upward through the lifting mechanism 4, after the plate is moved upward by a certain height, it is supported by the chain type vertical conveying mechanisms 5 arranged on both sides of the bearing mechanism 1, the stack of plates 100 on the bearing mechanism 1 is separated into a plurality of small stacks of plates 100, at this time the conveying mechanism 2 moves upward to convey the bottom stack of plates 100, the conveying mechanism 2 extracts the plates from the bottom of the stack of plates 100 one by one and conveys and processes them, when the conveying of the bottom small stack of plates 100 is completed, the small stack of plates 100 on the chain type vertical conveying mechanism 5 moves downward and is placed on the bearing mechanism 1, and the cycle is repeated.

[0026] In the embodiment, reference is made to Figure 7 The bearing mechanism 1 comprises a frame 11 and a limiting piece 12, the limiting piece 12 is arranged on one side of the conveying end of the frame 11, the limiting piece 12 is provided with an outlet 121 in the middle, the upper end of the outlet 121 is spaced apart from the upper surface of the conveying mechanism 2, the frame 11 is provided with a cavity 111 in the middle, the conveying mechanism 2 is located in the middle of the cavity 111 and is spaced apart from both sides of the cavity 111, and the frame 11 is provided with a support plate 112 parallel to the upper surface of the frame 11 on both sides in the cavity 111; in the present scheme, the bearing mechanism 1 is a rectangular frame 11, which has a cavity 111 inside, i.e. hollow inside, the inside of the bearing mechanism 1 can be reinforced by a reinforcing piece to support the weight of the stack of plates 100, when the plate needs to be conveyed, the conveying mechanism 2 will convey along the Y-axis, at this time the whole stack of plates 100 will be taken away by the conveying mechanism 2, therefore the movement of the stack of plates 100 is limited by the limiting piece 12, the distance between the top end of the outlet 121 of the limiting piece 12 and the conveying mechanism 2 is greater than the thickness of a single plate but less than the thickness of two plates, when the conveying mechanism 2 conveys, it can only convey the lowest plate of the stack of plates 100 along the Y-axis direction, so as to achieve the effect that the plates can be conveyed one by one.

[0027] In the embodiment, reference is made toFigure 7 The conveying mechanism 2 comprises a lifting assembly 21 and a conveying assembly 22, the conveying assembly 22 is arranged above the lifting assembly 21, the conveying belt of the conveying assembly 22 is provided with suction cavities 221 in the X-axis direction, and a shovel plate 222 is installed at the tail end of the conveying assembly 22; in the scheme, the conveying mechanism 2 is located in the cavity 111 of the frame body 11, the conveying assembly 22 is a conventional conveying belt, the function of the lifting assembly 21 is lifting effect, the lifting mechanism 4 can stably support the conveying assembly 22 and provide lifting function, can avoid friction on the lower plate body of the conveying mechanism 2 when the plate stack 100 is lowered, and improve the stability performance; a plurality of suction cavities 221 are arranged on the conveying belt of the conveying assembly 22, the conveying belt has deformation ability and is made of rubber material, when the plate stack 100 is placed on the conveying belt, the greater the weight of the plate stack 100, the more air is discharged from the suction cavities 221, so that the suction capacity of the plate body at the bottom of the plate stack 100 is stronger, the driving strength of the conveying belt on the plate body is higher, and then the plate body at the bottom can be separated; the tail end of the conveying assembly 22 is provided with a shovel plate 222, when the plate body is transported, the plate body can be tightly adsorbed, and the shovel plate 222 can separate the plate body from the conveying belt.

[0028] In the embodiment, reference is made to Figure 3 、 Figure 4The clamping mechanism 3 comprises a bottom plate 31 and two first supporting rods 32 vertically installed on the bottom plate 31, a box body 33 longitudinally slidably arranged between the two first supporting rods 32, sliding assemblies 34 connected to the two sides of the box body 33, the two first supporting rods 32 provided with longitudinal first sliding grooves 321 matched with the sliding assemblies 34, the box body 33 longitudinally slidable along the first sliding grooves 321 through the sliding assemblies 34, the upper and lower sides of the first supporting rods 32 provided with holes 322, shaft body assemblies 35 rotatable along the X axis installed in the holes 322, a conveying chain 36 arranged between the two shaft body assemblies 35, the two ends of the conveying chain 36 connected to the upper and lower ends of the sliding assemblies 34, and one of the shaft body assemblies 35 connected with a first driving mechanism 37; in the scheme, the bottom plate 31 can play a supporting role, the bottom plate 31 in the application needs to be translated through a guide rail, when the board stack 100 is not placed on the bearing mechanism 1, the board body can be translated to bring the position of the edge clamping mechanism 3, so as to leave space above the bearing mechanism 1, facilitating personnel to suspend or place the board stack 100 above through a forklift; the sliding assemblies 34 are installed on the two sides of the box body 33, the sliding assemblies 34 provided with protrusions on the side facing the first supporting rods 32, the protrusions located in the first sliding grooves 321 and slidable along the first sliding grooves 321, the first sliding grooves 321 guided in the Z axis direction, each first supporting rod 32 provided with at least two first sliding grooves 321, the number of the protrusions of each sliding assembly 34 same as the number of the first sliding grooves 321 of each first supporting rod 32, the sliding assemblies 34 further rotatably installed with rotating wheels on the side facing the first supporting rods 32, the rotating wheels adhered to the side of the first supporting rods 32 facing the box body 33, each first supporting rod 32 capable of limiting the swing of the box body 33 in the Y axis direction through the rotating wheels arranged on the two sides of the box body 33, and the stability of the lifting device improved.

[0029] Further, the shaft body assemblies 35 are arranged above and below the first supporting rods 32, the shaft body assemblies 35 comprising installation boxes and steering wheels, the installation boxes installed in the holes 322 of the first supporting rods 32, the steering wheels rotatably connected with the installation boxes, the rotating axes of the steering wheels parallel to the X axis, the first driving mechanism 37 capable of driving one of the steering wheels to rotate and in turn drive the conveying chain 36 to run, so that the box body 33 is lifted and lowered.

[0030] In the embodiment, the box body 33 is longitudinally slidable along the first sliding grooves 321 through the sliding assemblies 34, the sliding assemblies 34 provided with protrusions on the side facing the first supporting rods 32, the protrusions located in the first sliding grooves 321 and slidable along the first sliding grooves 321, the first sliding grooves 321 guided in the Z axis direction, each first supporting rod 32 provided with at least two first sliding grooves 321, the number of the protrusions of each sliding assembly 34 same as the number of the first sliding grooves 321 of each first supporting rod 32, the sliding assemblies 34 further rotatably installed with rotating wheels on the side facing the first supporting rods 32, the rotating wheels adhered to the side of the first supporting rods 32 facing the box body 33, each first supporting rod 32 capable of limiting the swing of the box body 33 in the Y axis direction through the rotating wheels arranged on the two sides of the box body 33, and the stability of the lifting device improved. Figure 3 , Figure 4The extrusion body 331 is slidably installed along the X axis on the box body 33, the rubber pad 332 is installed on one side of the extrusion body 331 facing the board stack 100, a plurality of strip-shaped grooves 333 along the Y axis are arranged on one side of the rubber pad 332 facing the board stack 100, and the extrusion body 331 is connected with the pushing mechanism 334 which can be pushed along the X axis; in the scheme, the extrusion body 331 is slidably installed in the box body 33, the two sides of the box body 33 are provided with guide grooves parallel to the X axis, the two ends of the extrusion body 331 are provided with protrusions in the guide grooves, the extrusion body 331 can slide along the guide grooves, the pushing mechanism 334 can push the extrusion body 331 to move towards the board stack 100, and a part of the board stack 100 is clamped and moved upwards under the action of the lifting mechanism 4, the pushing mechanism 334 can be a pneumatic cylinder or other forms of pushing mechanism 334, and the pushing mechanism 334 in the application comprises a rhombic frame body, a lead screw and a motor, two opposite corners of the rhombic frame body are connected with the box body 33 and the extrusion body 331 respectively, the other two corners are hinged with threaded blocks, the lead screw passes through the two threaded blocks, and the motor can drive the threaded blocks to rotate and make the two threaded blocks close to or away from each other, and the lead screw is a bidirectional lead screw.

[0031] In the embodiment, reference is made to Figure 4 , Figure 5 , Figure 6 The chain type longitudinal conveying mechanism 5 comprises the second supporting rod 51 and the chain belt 6, the chain belt 6 comprises a plurality of groups of supporting assemblies 61, each group of supporting assemblies 61 comprises a first chain block 611 and a second chain block 612, the end portions of the first chain block 611 and the second chain block 612 are hinged with each other, the first chain block 611 and the second chain block 612 are provided with slot positions 613, the slot positions 613 of the first chain block 611 and the second chain block 612 are in communication to form a movable space, the supporting piece 614 is rotatably installed in the slot position 613 of the first chain block 611, and the bottom surface of the supporting piece 614 is rotatably installed with the supporting rod 615, one end of the supporting rod 615 slides in the slot position 613 of the second chain block 612; in the scheme, when the board stack 100 is clamped and lifted by the clamping mechanism 3 and the lifting mechanism 4, the board stack 100 will extrude the supporting piece 614, the supporting piece 614 will swing upwards and be accommodated in the movable space formed by the first chain block 611 and the second chain block 612, and the board stack 100 will be smoothly moved above the supporting piece 614, when the supporting piece 614 is below the board stack 100, the supporting piece 614 will restore to a state parallel to the ground, at this time, the board stack 100 is lowered and will be supported by the supporting piece 614, thereby achieving the effect of separating and supporting the board stack 100.

[0032] In the further embodiment, reference is made to Figure 6The second sliding groove 616 is provided with an axle block 618 which is slidably installed in the second sliding groove 616, and an elastic element 619 is installed between the axle block 618 and the end of the second sliding groove 616, and the elastic element 619 can push the axle block 618 to move away from the first chain block 611; in combination with the above scheme, when the supporting piece 614 swings upward, the supporting rod 615 will be moved with the supporting piece 614, and the end of the supporting rod 615 away from the supporting piece 614 will be pulled and moved close to the first chain block 611, the sliding rods 617 on the two sides of the supporting rod 615 will drive the axle block 618 to move close to the first chain block 611 together, and then the elastic element 619 is compressed, so that the elastic element 619 is in a compressed state, and when the board stack 100 is not limited to rotate the supporting piece 614, the elastic element 619 will be released, and the axle block 618 will move away from the first chain block 611, and the supporting rod 615 pulls the supporting piece 614 to be perpendicular to the first chain block 611, and when the supporting piece 614 is perpendicular to the first chain block 611, the axle block 618 is located at the bottom of the second sliding groove 616, and a triangular support can be formed.

[0033] Further, in the scheme, the back surfaces of the first chain block 611 and the second chain block 612 are provided with tooth keys, the chain belt 6 is provided with tooth keys, gear wheels are rotatably installed above and below the second supporting rod 51, the gear wheels can engage with the tooth keys on the back surfaces of the first chain block 611 and the second chain block 612, one of the gear wheels is connected with a driving element, and when the chain belt 6 carries a heavy object, the gear wheels can limit the rotation of the chain belt 6 under the action of the driving element, thereby supporting the heavy object, and the gear wheels can also adopt a ratchet mode to support the heavy object.

[0034] In the embodiment, reference is made to Figure 4 One side of the second supporting rod 51 facing the board stack 100 is provided with a limiting strip 7, the limiting strip 7 is provided with a limiting groove 71, and the edges of the first chain block 611 and the second chain block 612 slide in the limiting groove 71; in the scheme, the first chain block 611 and the second chain block 612 are in a hinged state during the rotation of the chain belt 6, and relative rotation between the two will cause the supporting piece 614 to tilt downward, and in the scheme, after the first chain block 611 and the second chain block 612 are located in the limiting groove 71, the two are limited from rotating, thereby stably supporting the board stack 100; further, the friction between the first chain block 611, the second chain block 612 and the limiting strip 7 can be reduced, and a wheel body can be rotatably installed at the hinge between the first chain block 611 and the second chain block 612.

[0035] The above merely describes preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes within the technical scope disclosed by the present application and according to the technical solutions and inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A sheet transport device, characterized by, The application discloses a board carrying mechanism (1) comprising a stack of upper surface bearing plate bodies (100), a conveying mechanism (2) arranged in the middle of the carrying mechanism (1) and capable of vertically lifting and abutting against the bottom surface of the stack (100), horizontally-opposed clamping mechanisms (3) arranged on both sides of the carrying mechanism (1), the clamping mechanisms (3) being capable of changing the vertical position through a lifting mechanism (4), chain type vertical conveying mechanisms (5) arranged on both sides of the carrying mechanism (1), the clamping mechanisms (3) being capable of clamping and placing a small part of the stack (100) between the two groups of chain type vertical conveying mechanisms (5) for support, and the stack (100) above the carrying mechanism (1) being conveyed by the conveying mechanism (2).

2. A sheet transport device according to claim 1, characterised in that The carrying mechanism (1) comprises a frame body (11) and a limiting piece (12), the limiting piece (12) is arranged on one side of the conveying end of the frame body (11), the limiting piece (12) is provided with an outlet (121) in the middle, the upper end of the outlet (121) is spaced apart from the upper surface of the conveying mechanism (2), the frame body (11) is provided with a cavity (111) in the middle, the conveying mechanism (2) is located in the middle of the cavity (111) and is spaced apart from both sides of the cavity (111), and the frame body (11) is provided with a support plate (112) parallel to the upper surface of the frame body (11) on both sides in the cavity (111). The chain type vertical conveying mechanism (5) comprises a second supporting rod (51) and a chain belt (6), the chain belt (6) comprises a plurality of supporting assemblies (61), each supporting assembly (61) comprises a first chain block (611) and a second chain block (612), the end portions of the first chain block (611) and the second chain block (612) are hingedly connected to each other, the first chain block (611) and the second chain block (612) are provided with grooves (613), the grooves (613) of the first chain block (611) and the second chain block (612) are in communication to form a movable space, a supporting piece (614) is rotatably arranged in the groove (613) of the first chain block (611), a supporting rod (615) is rotatably arranged on the bottom surface of the supporting piece (614), and one end of the supporting rod (615) is slidably arranged in the groove (613) of the second chain block (612). The conveying mechanism (2) comprises a lifting assembly (21) and a conveying assembly (22), the conveying assembly (22) is arranged above the lifting assembly (21), the conveying belt of the conveying assembly (22) is provided with a suction cavity (221) along the X-axis direction, and a shovel plate (222) is arranged at the conveying tail end of the conveying assembly (22).

3. A sheet transport device according to claim 1, characterized in that The clamping mechanism (3) comprises a bottom plate (31) and two first supporting rods (32) vertically installed on the bottom plate (31), a box body (33) longitudinally slidingly arranged between the two first supporting rods (32), sliding assemblies (34) connected to the two sides of the box body (33) facing the two first supporting rods (32), the two first supporting rods (32) being provided with longitudinal first sliding grooves (321) matched with the sliding assemblies (34), the box body (33) being longitudinally slidable along the first sliding grooves (321) through the sliding assemblies (34), the upper and lower parts of the first supporting rods (32) being provided with holes (322), shaft body assemblies (35) rotating along the X-axis being installed in the holes (322), a transmission chain (36) being arranged between the two shaft body assemblies (35), the two ends of the transmission chain (36) being connected to the upper and lower ends of the sliding assemblies (34), and one of the shaft body assemblies (35) being connected with a first driving mechanism (37).

4. A sheet transport device according to claim 3, characterised in that The box body (33) is slidingly installed with an extrusion body (331) along the X-axis, the extrusion body (331) being installed with rubber pads (332) on the side facing the board stack (100), the rubber pads (332) being provided with a plurality of strip-shaped grooves (333) along the Y-axis on the side facing the board stack (100), and the extrusion body (331) and the box body (33) being connected with a propelling mechanism (334) propellable along the X-axis.

5. A sheet transport device according to claim 1, characterized in that The second supporting rod (51) is installed with a limiting strip (7) on the side facing the board stack (100), the limiting strip (7) being provided with a limiting groove (71), and the edges of the first chain block (611) and the second chain block (612) slidingly located in the limiting groove (71).

6. A sheet transport device according to claim 1, characterized in that The slot (613) of the second chain block (612) is provided with a second sliding groove (616) on both sides, the supporting rod (615) extending out of the sliding rods (617) on both sides of the end close to the second chain block (612) and located in the second sliding groove (616), the second sliding groove (616) being slidingly installed with the shaft block (618) connected with the sliding rods (617), the elastic members (619) being installed between the shaft block (618) and the end of the second sliding groove (616), and the elastic members (619) being capable of propelling the shaft block (618) to move away from the first chain block (611).

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