CN115159191A - Plate supply device - Google Patents

Abstract

The invention discloses a plate supply device, which comprises an aerial transport trolley, a plate storage frame and a plate conveying frame, wherein the aerial transport trolley comprises a guide rail, a trolley body running on the guide rail and at least one transport bin arranged at the lower part of the trolley body; the plate conveying frame is located below the storage bin and used for taking out the plates from the discharge hole and conveying the plates outwards. The invention has the advantages that: through the transportation of air transportation dolly, solved and relied on the problem that manpower conveying efficiency is low at present. Greatly reduced to manpower requirement, a workman can monitor a plurality of panel feeding mechanism simultaneously to can improve panel conveying efficiency.

Description

Plate supply device

Technical Field

The invention relates to a feeding device, in particular to a plate supply device.

Background

In the field of packaging, a carton is often required to be used for packaging, and the carton can be folded into an approximate shape at other stations to form a carton plate, and then the carton plate is put into conveying equipment to be conveyed to the next station and then is specifically unfolded for packaging. After the cartons are folded into their approximate shape, they are stacked and manually transported to a conveyor, which is inefficient and labor intensive.

Disclosure of Invention

The invention aims to provide a plate supply device which can effectively solve the problems that manual carrying is needed in the existing plate transportation process, and the efficiency is low.

In order to solve the technical problems, the invention is realized by the following technical scheme: a plate supply device comprises an aerial transport trolley, a plate storage frame and a plate conveying frame, wherein the aerial transport trolley comprises a guide rail, a trolley body running on the guide rail and at least one transport bin arranged at the lower part of the trolley body; the plate conveying frame is located below the storage bin and used for taking out the plates from the discharge hole and conveying the plates outwards.

Preferably, every group at least two sets of claws that collude of panel fixed establishment, every group collude the claw and all include connecting plate, the claw body and first drive assembly, the top of connecting plate is fixed on the automobile body, the middle part of the claw body rotates to be connected the bottom of connecting plate, first drive assembly control the tail end swing of the claw body, the front end of the claw body stretches into in the transport bin. The swing of the claw body is controlled through the first driving assembly, the opening and closing of the transport bin are controlled, and automatic grabbing and unloading processing is achieved.

Preferably, the first driving assembly comprises a driving motor, a driving shaft, a connecting rod and a rocker, the driving motor drives the driving shaft to rotate, one end of the connecting rod is fixed on the driving shaft, the other end of the connecting rod is rotatably connected with one end of the rocker, and the other end of the rocker is rotatably connected with the tail end of the claw body. The connecting rod is driven by the driving shaft to enable the rocker to swing, so that the tail end of the claw body is controlled to swing, the transmission efficiency is high, the swing amplitude of the claw body can be accurately controlled, and the claw body can also realize quick response.

Preferably, a first vertical lifting mechanism is arranged between the transport bin and the vehicle body, a positioning rod is arranged on the outer side wall of the transport bin, and a positioning groove matched with the positioning rod is arranged on the plate storage frame. First vertical elevating system control transport bin removes in vertical within range to utilize the cooperation of locating lever and constant head tank, can be accurate when the transport bin whereabouts dock the storage bin.

Preferably, be equipped with the buffering subassembly on the relative both sides wall in storage storehouse respectively, the buffering subassembly includes vertical electric jar, slider, horizontal cylinder and picture peg, vertical electric jar is fixed on the lateral wall in storage storehouse, vertical electric jar drive the slider is followed vertical direction and is moved, be fixed with on the slider horizontal cylinder, horizontal cylinder drive the picture peg inserts in the storage storehouse. When panel fell into the storage storehouse from the transport bin, slowed down panel, prevented that panel from causing too big impact to panel storage frame, utilized horizontal cylinder control picture peg to accept the panel of whereabouts to through the whereabouts of vertical electric cylinder control panel.

Preferably, the highest position of the vertical electric cylinder for driving the sliding block to ascend is located at a material inlet of the storage bin or higher than the horizontal height of the material inlet. The plate is dragged as soon as the plate is separated from the transportation bin or not separated from the transportation bin, the distance of free falling of the plate is reduced as much as possible or the plate is prevented from freely falling, and therefore the impact of the plate entering the storage bin on the plate storage frame is reduced or avoided.

Preferably, the discharge gate in storage storehouse is equipped with the baffle that prevents that panel from directly falling out of storage storehouse, the panel carriage includes suction means, suction means includes the vertical elevating system of second and sucking disc, the vertical elevating system control of second the sucking disc is from the discharge gate in storage storehouse with the panel suction. The baffle prevents that panel from following the direct roll-off of storage storehouse, and utilizes suction means, can control the speed of panel output, ensures that panel is sucked out the storage storehouse one by one.

Preferably, the second vertical lifting mechanism comprises a vertical lifting cylinder, a connecting plate and a fixing frame, the vertical lifting cylinder drives the connecting plate to move along the vertical direction, the fixing frame is fixed on the connecting plate, and the sucker is fixed on the fixing frame. The sucking discs are controlled to move in the vertical direction through the vertical lifting cylinder, and the plates are sucked out of the storage bin.

Preferably, the plate conveying frame further comprises a conveying guide rail and a horizontal pushing mechanism, one end of the conveying guide rail is located under the discharge port, the sucking disc penetrates through the conveying guide rail to suck the plates, the width of the conveying guide rail is smaller than that of the plates, and the horizontal pushing mechanism stretches into the conveying guide rail to push the plates to move along the conveying guide rail. The plate sucked out by the sucking disc is pushed by the horizontal pushing mechanism, so that the plate runs along the conveying guide rail and enters the subsequent working procedures.

Preferably, the horizontal pushing mechanism comprises a pushing plate, a pushing support and a pushing electric cylinder, the pushing electric cylinder drives the pushing support to move along the length direction of the conveying guide rail, the pushing plate is fixed on the pushing support, and the top of the pushing plate extends into the conveying guide rail. Utilize propelling movement electric cylinder drive propelling movement board to drive along defeated fixed guide rail removal, it is efficient, and promote steadily.

Compared with the prior art, the invention has the advantages that:

a plate supply device comprises an aerial transport trolley, a plate storage frame and a plate conveying frame, wherein the aerial transport trolley comprises a guide rail, a trolley body running on the guide rail and at least one transport bin arranged at the lower part of the trolley body; the plate conveying frame is located below the storage bin and used for taking out the plates from the discharge hole and conveying the plates outwards. Through the transportation of air transportation dolly, solved and relied on the problem that manpower conveying efficiency is low at present. The aerial transportation trolley runs on an aerial guide rail, interference with equipment on the ground can be avoided, stacked plates can be placed into a plate storage frame from the top, transportation bins are arranged on a trolley body of the aerial transportation trolley, the situation that the plates are stacked in the transportation process is guaranteed, more than one transportation bin can be arranged according to requirements, a plate fixing mechanism is arranged in each transportation bin, the transportation safety of the plates is guaranteed, when the plates are unloaded, the plates are in butt joint with the transportation bins through a feeding port in the top of each storage bin, the discharging port is arranged at the bottom of each storage bin, feeding and discharging of the storage bins are not interfered with each other, the plates are discharged from the discharging ports of the storage bins, the plates are conveyed to the next procedure through the plate conveying frame, the requirement on manpower is greatly reduced, one worker can monitor a plurality of plate supply devices at the same time, and the plate transportation efficiency can be improved.

Drawings

FIG. 1 is a schematic structural diagram of a sheet supply apparatus according to the present invention;

FIG. 2 is a first schematic structural view of an aerial transportation cart in the board supply apparatus according to the present invention;

FIG. 3 is a schematic structural view of a second overhead traveling vehicle in the sheet supply apparatus according to the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a first schematic structural diagram of an overhead board storage rack in a board supply apparatus according to the present invention;

FIG. 6 is a second schematic structural view of an overhead plate storage rack in the plate supply device according to the present invention;

FIG. 7 is a first schematic structural diagram of an aerial plate conveying rack in a plate supply device according to the present invention;

fig. 8 is a second structural schematic diagram of an aerial plate conveying rack in the plate supply device of the invention.

The reference signs are:

the air transport trolley 100, the trolley body 110, the transport bin 120, the plate fixing mechanism 130, the connecting plate 131, the claw body 132, the driving motor 133, the driving shaft 134, the connecting rod 135, the rocker 136, the positioning rod 140 and the limiting rod 150;

the plate storage rack comprises a plate storage rack 200, a storage bin 210, a feeding port 211, a discharging port 212, a baffle 213, a positioning groove 220, a buffer assembly 230, a vertical electric cylinder 231, a sliding block 232, a horizontal air cylinder 233 and an inserting plate 234;

the plate conveying device comprises a plate conveying frame 300, a suction mechanism 310, a suction cup 311, a vertical lifting cylinder 312, a connecting plate 313, a fixing frame 314, a conveying guide rail 320, a horizontal pushing mechanism 330, a pushing plate 331, a pushing support 332 and a pushing electric cylinder 333.

Detailed Description

A plate supply device comprises an overhead transport trolley, a plate storage frame and a plate conveying frame, wherein the overhead transport trolley comprises a guide rail, a trolley body running on the guide rail and at least one transport bin arranged at the lower part of the trolley body; the plate conveying frame is located below the storage bin and used for taking out the plates from the discharge hole and conveying the plates outwards. Through the transportation of air transportation dolly, solved and relied on the problem that manpower conveying efficiency is low at present. The aerial transportation trolley runs on an aerial guide rail, interference with equipment on the ground can be avoided, stacked plates can be placed into a plate storage frame from the top, transportation bins are arranged on a trolley body of the aerial transportation trolley, the situation that the plates are stacked in the transportation process is guaranteed, more than one transportation bin can be arranged according to requirements, a plate fixing mechanism is arranged in each transportation bin, the transportation safety of the plates is guaranteed, when the plates are unloaded, the plates are in butt joint with the transportation bins through a feeding port in the top of each storage bin, the discharging port is arranged at the bottom of each storage bin, feeding and discharging of the storage bins are not interfered with each other, the plates are discharged from the discharging ports of the storage bins, the plates are conveyed to the next procedure through the plate conveying frame, the requirement on manpower is greatly reduced, one worker can monitor a plurality of plate supply devices at the same time, and the plate transportation efficiency can be improved.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, an embodiment of a sheet material supply apparatus according to the present invention includes an aerial delivery vehicle 100, a sheet material storage rack 200, and a sheet material transfer rack 300. The aerial delivery vehicle 100 is of the prior art, and only the grabbing and storing parts are modified according to the condition of conveying the plates, and the transportation and lifting functions of the aerial delivery vehicle 100 can adopt the existing scheme. The overhead traveling bogie 100 comprises a guide rail, a trolley body 110 running on the guide rail and two transport bins 120 arranged at the lower part of the trolley body 110, the two transport bins 120 are arranged side by side and are mutually independent, two storage bins 210 corresponding to the positions of the transport bins 120 are also arranged on a plate storage rack 200, a feeding port 211 of each storage bin 210 is positioned at the top of the plate storage rack 200, a discharging port 212 is positioned at the bottom of the plate storage rack 200, namely, a top-in bottom-out mode is adopted, continuous feeding and discharging of the plate storage bins 210 can be realized, a plate conveying rack 300 is positioned below the storage bins 210, and plates taken out from the discharging port 212 are conveyed to a next process through the plate conveying rack 300.

As shown in fig. 2, 3 and 4, the guide rails of the aerial delivery vehicle 100 are determined according to the position of the plate storage rack 200 and the position of the plate stock warehouse, and are mainly used for taking out a plate from the plate stock warehouse and then placing the plate into the plate storage rack 200, the transport bin 120 is suspended below the vehicle body 110, and a first vertical lifting mechanism is arranged between the transport bin 120 and the vehicle body 110 to control the transport bin 120 to be movable in a vertical direction relative to the vehicle body 110 so as to grab the plate or release the plate. When putting into panel storage bin 210 of panel storage rack 200, in order to guarantee that transport bin 120 and storage bin 210 can accurate butt joint, be equipped with locating lever 140 on the lateral wall of transport bin 120, and be equipped with the constant head tank 220 with locating lever 140 looks adaptation on panel storage rack 200, general locating lever 140 has four, become the rectangle distribution, and constant head tank 220 also has four, constant head tank 220 is vertical to be set up, and be equipped with the guide part that the cross-sectional area is bigger relatively at the top of constant head tank 220, when transport bin 120 descends and storage bin 210 butt joint, play the guide effect to locating lever 140. The length of the positioning slot 220 needs to be greater than the downward movement depth of the positioning rod 140 to ensure that the transportation bin 120 can descend to the bottom.

And get in order to realize transport bin 120 and put panel, be equipped with panel fixed establishment 130 in every transport bin 120, panel fixed establishment 130 includes two sets of claws that collude, every group colludes the claw and all includes connecting plate 131, the claw body 132 and a drive assembly, the top of connecting plate 131 is fixed on automobile body 110, and the middle part and the connecting plate 131 of the claw body 132 rotate to be connected, a drive assembly links to each other with the afterbody of the claw body 132, and the afterbody swing of the claw body 132 of drive, thereby the front end of the control claw body 132 stretches into or leaves the cloud storage storehouse, the getting of panel in the realization transport bin 120 is put. The first driving group price includes a driving motor 133, a driving shaft 134, connecting rods 135 and a rocker 136, the driving motor 133 drives the driving shaft 134 to rotate, the driving shaft 134 is also connected with the connecting rods 135 of the group of hook claws, or connected with the connecting rods 135 of the two groups of hook claws at the same time, the rotation of the driving shaft 134 drives the connecting rods 135 to swing, the other end of the connecting rods 135 is rotatably connected with the rocker 136, the rocker 136 is rotatably connected with the tail of the claw body 132, and therefore the swing of the claw body 132 is realized through the driving motor 133. When the plate needs to be grabbed, the driving motor 133 rotates by a certain angle, so that the front end of the claw body 132 swings into the transportation bin 120 and is located at the bottom of the plate, and the plate is dragged to be not separated from the transportation bin 120. After reaching the docking position of the storage bin 210, the driving motor 133 rotates a certain angle again, so that the front end of the claw body 132 is swung out of the transportation bin 120, and the plate falls into the storage bin 210 under the action of gravity.

In addition, a plurality of vertically arranged limiting rods 150 are arranged in the transportation bin 120, and are used for defining the shape of the plate, so that the position of the plate is determined, and the plate loaded each time can not deflect in the plane of the plate.

As shown in fig. 5 and 6, each storage bin 210 is surrounded by four plates, adjacent plates may be sealed or not, in this embodiment, a gap is left between adjacent plates of the storage bin 210, and the gap allows corners of the plates to extend out, so as to adapt to more plates with different specifications. A group of buffer assemblies 230 are respectively arranged on two opposite plates, and the buffer assemblies 230 play a role in supporting the plates when the plates enter the storage bin 210 from the transportation bin 120, so that the plates are prevented from freely falling to impact the storage bin 210. The buffer assembly 230 includes a vertical electric cylinder 231, a sliding block 232, a horizontal air cylinder 233 and an inserting plate 234, the vertical electric cylinder 231 is fixed on the outer side of the side wall of the storage bin 210 so as to avoid occupying the space of the storage bin 210, the sliding block 232 is fixedly connected with the vertical electric cylinder 231, the sliding block 232 is driven by the vertical electric cylinder 231 to move in the vertical direction, the horizontal air cylinder 233 is arranged according to the size of the plate, in the embodiment, two horizontal air cylinders 233 are arranged on each sliding block 232, each horizontal air cylinder 233 controls one inserting plate 234, when the plate is ready to enter the storage bin 210, the inserting plate 234 extends into the storage bin 210 to receive the falling plate, the plate is driven by the vertical electric cylinder 231 to slowly descend to the bottom, then the horizontal air cylinder 233 is recovered by controlling the inserting plate 234 to be pulled out of the storage bin 210, the vertical electric cylinder 231 drives the sliding block 232 to ascend so as to be ready to meet the next batch of plate.

In order to minimize the impact of the sheet falling into the storage bin 210, the highest position of the vertical electric cylinder 231 for driving the slide block 232 to ascend is located at the feeding port 211 of the storage bin 210 or higher than the level of the feeding port 211 so as to hold the falling sheet when the sheet is just separated from the transportation bin 120 or is not separated from the transportation bin 120.

The discharge port 212 of the storage bin 210 is provided with baffles 213 for preventing the plate from directly falling out of the storage bin 210, and the discharge port 212 of the storage bin 210 for allowing the plate to slide out after being deformed is reserved between the baffles 213 or on the baffles 213. The plate material conveying frame 300 is located below the discharge port 212 of the storage bin 210, and includes a suction mechanism 310, which sucks the bottommost plate material by the suction mechanism 310, so that the plate material is drawn out of the storage bin 210 after being deformed. The suction mechanism 310 includes a second vertical elevating mechanism that controls the suction cup 311 to move in the vertical direction, and a suction cup 311. The second vertical lifting mechanism comprises a vertical lifting cylinder 312, a connecting plate 313 and a fixing frame 314, wherein the vertical lifting cylinder 312 drives the connecting plate 313 to move along the vertical direction, the fixing frame 314 is fixed on the connecting plate 313, and a plurality of suckers 311 are fixed on the fixing frame 314.

As shown in fig. 7 and 8, the plate conveying rack 300 further includes a conveying rail 320 and a horizontal pushing mechanism 330, the conveying rail 320 is mainly used for facilitating the transportation of the plate sucked by the suction cup 311 on the conveying rail 320, so as to realize sliding friction between the plate and the conveying rail, and the horizontal pushing mechanism provides the movement power of the plate on the conveying rail 320. The two conveying guide rails 320 are arranged in parallel, one end of each conveying guide rail 320 is located right below the discharge port 212, the plates are directly dropped onto the conveying guide rails 320 after being sucked by the suckers 311, the width of the conveying guide rails 320 is smaller than that of the plates, so that the plates are prevented from directly dropping between the two conveying guide rails 320, the horizontal pushing mechanism 330 comprises pushing plates 331, pushing supports 332 and pushing electric cylinders 333, the pushing electric cylinders drive the pushing supports 332 to move along the length direction of the conveying guide rails 320, the pushing plates 331 are fixed on the pushing supports 332, the tops of the pushing plates extend into the conveying guide rails 320, and the plates dropping on the conveying guide rails 320 are pushed to the other ends of the conveying guide rails 320 through the pushing plates 331.

The aerial transport trolley 100 runs on the guide rail, firstly moves to a plate storage position, a plate to be transported is located under the transport bin 120, then the first vertical lifting mechanism is started, the transport bin 120 is lowered to a proper height, then the first driving assembly is started, the control claw body 132 extends into the transport bin 120 and hooks under the bottommost plate, the first vertical lifting mechanism drives the transport bin 120 to ascend, then the trolley body 110 drives the transport bin 120 to run to be over the storage bin 210 of the plate storage frame 200, the first vertical lifting mechanism is started again, the transport bin 120 is controlled to descend, at the moment, the transport bin 120 and the storage bin 210 can be accurately aligned through the matching of the positioning rod 140 and the positioning groove 220, the vertical electric cylinder on the storage bin 210 drives the sliding block 232 to ascend to the highest position, the horizontal air cylinder 233 drives the inserting plate 234 to extend out, the first driving assembly is started, the claw body 132 is retracted, the plate in the transport bin 120 falls down and is connected with the inserting plate 234, the vertical driving electric cylinder drives the inserting plate 234 to move downwards, the plate enters the storage bin 210 until the plate falls into the storage bin 210 and the horizontal air cylinder 233 and withdraws the inserting plate 233. When a plate needs to be taken, the vertical lifting cylinder 312 drives the fixing frame 314 to move upwards, so that the suction cup 311 sucks the plate at the bottommost layer, the vertical lifting cylinder 312 moves downwards, the plate can deform to a certain extent due to the action of the suction cup 311, and falls onto the conveying guide rail 320 from the discharge hole 212 of the storage bin 210, then the suction cup 311 removes the suction force, and the pushing electric cylinder 333 drives the pushing plate to push the plate falling onto the conveying guide rail 320 to the next process along the conveying guide rail 320. By adopting the plate supply device provided by the scheme of the invention, full-automatic plate transportation and filling are realized, and the plate transportation efficiency is greatly improved.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the present invention.

Claims (10)

1. A sheet supply apparatus characterized by: the plate storage rack is positioned under the overhead transport trolley, a storage bin is arranged on the plate storage rack, a feeding port butted with the transport bin is formed in the top of the storage bin, and a discharging port is formed in the bottom of the storage bin; the plate conveying frame is located below the storage bin and used for taking out the plates from the discharge hole and conveying the plates outwards.

2. A sheet supply device according to claim 1, wherein: every group the at least two sets of claws that collude of panel fixed establishment, every group collude the claw and all include connecting plate, the claw body and a drive assembly, the top of connecting plate is fixed on the automobile body, the middle part of the claw body rotates to be connected the bottom of connecting plate, a drive assembly control the tail end swing of the claw body, the front end of the claw body stretches into in the transport bin.

3. A sheet supply device according to claim 2, wherein: the first driving assembly comprises a driving motor, a driving shaft, a connecting rod and a rocker, the driving motor drives the driving shaft to rotate, one end of the connecting rod is fixed on the driving shaft, the other end of the connecting rod is rotatably connected with one end of the rocker, and the other end of the rocker is rotatably connected with the tail end of the claw body.

4. A sheet supply device according to claim 1, wherein: the conveying bin is characterized in that a first vertical lifting mechanism is arranged between the conveying bin and the vehicle body, a positioning rod is arranged on the outer side wall of the conveying bin, and a positioning groove matched with the positioning rod is formed in the plate storage frame.

5. A sheet supply device according to claim 1, wherein: be equipped with the buffering subassembly on the relative both sides wall in storage storehouse respectively, the buffering subassembly includes vertical electric jar, slider, horizontal cylinder and picture peg, vertical electric jar is fixed on the lateral wall in storage storehouse, vertical electric jar drive the slider is along vertical direction motion, be fixed with on the slider horizontal cylinder, horizontal cylinder drive the picture peg inserts in the storage storehouse.

6. A sheet supply device according to claim 5, wherein: the vertical electric cylinder drives the slide block to ascend at the highest position which is positioned at the feeding hole of the storage bin or higher than the horizontal height of the feeding hole.

7. A sheet supply device according to claim 1, wherein: the discharge gate in storage storehouse is equipped with the baffle that prevents that panel from directly falling out storage storehouse, the panel carriage includes suction means, suction means includes the vertical elevating system of second and sucking disc, the vertical elevating system control of second the sucking disc is from the discharge gate in storage storehouse with the panel suction.

8. A sheet supply device according to claim 7, wherein: the second vertical lifting mechanism comprises a vertical lifting cylinder, a connecting plate and a fixing frame, the vertical lifting cylinder drives the connecting plate to move in the vertical direction, the fixing frame is fixed on the connecting plate, and the sucker is fixed on the fixing frame.

9. A sheet supply device according to claim 7, wherein: the plate conveying frame further comprises a conveying guide rail and a horizontal pushing mechanism, one end of the conveying guide rail is located under the discharge port, the sucker penetrates through the conveying guide rail to absorb plates, the width of the conveying guide rail is smaller than that of the plates, and the horizontal pushing mechanism stretches into the conveying guide rail to push the plates to move along the conveying guide rail.

10. A sheet supply apparatus according to claim 9, wherein: the horizontal pushing mechanism comprises a pushing plate, a pushing support and a pushing electric cylinder, the pushing electric cylinder drives the pushing support to move along the length direction of the conveying guide rail, the pushing plate is fixed on the pushing support, and the top of the pushing plate extends into the conveying guide rail.

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