A material storage system for an intelligent carton cutting machine

Abstract

The present invention relates to a material storage system of an intelligent carton cutting machine, characterized in that: it includes a material clamping mechanism and a material storage lifting mechanism; the material clamping mechanism includes a material clamping bracket, two or more sets of material clamping brackets are arranged up and down, and a feeding channel is formed between two adjacent material clamping brackets; a material clamping cylinder, a material clamping block and a material clamping elastic member are arranged on the material clamping bracket above the feeding channel; one end of the material clamping elastic member acts on the material clamping bracket and the other end acts on the material clamping block; the material clamping block is connected to the piston rod of the material clamping cylinder; the material storage lifting mechanism includes a lifting bracket and a lifting power assembly; the material clamping bracket is arranged on the lifting bracket to form a feeding channel; the feeding channel moves up and down with the lifting bracket so that at least one feeding channel corresponds to the feed channel; the lifting power assembly is arranged between the lifting bracket and the material storage frame. The material clamping performance of the material storage system of the intelligent carton cutting machine is stable and reliable, effectively ensuring the production quality of cartons, and the cardboard switching efficiency is high.

Description

Technical Field

[0001] The invention relates to a carton cutting machine, in particular to a material storage system of an intelligent carton cutting machine. Background Art

[0002] A carton cutting machine is a device that processes cardboard into cartons through processes such as creasing and cutting. The paper pressing mechanism in the existing intelligent cutting machine has poor material clamping performance during actual use, which makes the cardboard easy to shift, affecting the production quality of the carton. In addition, in order to facilitate the processing of cartons of different sizes, the storage system in the carton cutting machine generally stores cardboard of different sizes, and the corresponding cardboard is selected according to actual production needs. The traditional technology for switching cardboard is done manually, which has low work efficiency and high labor intensity for workers. For this reason, a mechanism for automatically switching cardboard has appeared on the market, but due to structural defects, it has poor performance reliability and short service life.

[0003] Therefore, it is necessary to further improve the existing carton cutting machine. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art and to provide a material storage system for an intelligent carton cutting machine. The material storage system has stable and reliable material clamping performance, effectively ensures the production quality of cartons, and has high cardboard switching efficiency.

[0005] The object of the present invention is achieved in that:

[0006] A material storage system of an intelligent carton cutting machine, characterized in that it comprises a material clamping mechanism for clamping paperboard to be processed and a material storage lifting mechanism for switching paperboard to be processed, the material clamping mechanism is arranged on the material storage lifting mechanism, and the material storage lifting mechanism is arranged on the material storage frame;

[0007] The clamping mechanism comprises a clamping bracket, wherein two or more sets of clamping brackets are arranged up and down, and a feeding channel for conveying the paperboard to be processed is formed between two adjacent clamping brackets; a clamping cylinder, a clamping block and a clamping elastic member are arranged on the clamping bracket above the feeding channel; one end of the clamping elastic member acts on the clamping bracket and the other end acts on the clamping block, and the clamping elastic member acts on the clamping block to elastically clamp the paperboard to be processed on the feeding channel; the clamping block is connected to the piston rod of the clamping cylinder, and the clamping cylinder drives the clamping block to separate from the paperboard to be processed on the feeding channel;

[0008] The material storage lifting mechanism includes a lifting bracket movably arranged on the material storage frame, and a lifting power assembly for driving the lifting bracket to move up and down relative to the material storage frame; the material clamping bracket is arranged on the lifting bracket to form more than two feeding channels; the feeding channel moves up and down with the lifting bracket so that at least one feeding channel corresponds to the feeding channel; the lifting power assembly is arranged between the lifting bracket and the material storage frame.

[0009] The clamping block is provided with a floating plate which moves with the clamping block, the other end of the clamping elastic member acts on the floating plate, and the elastic force of the clamping elastic member acts on the clamping block through the floating plate; the clamping bracket is provided with a clamping frame, the clamping cylinder is arranged on the clamping frame, the clamping block and the floating plate are movable relative to the clamping frame, and one end of the clamping elastic member acts on the clamping bracket through the clamping frame.

[0010] The clamping elastic member is a columnar spiral spring. A guide column is provided on the clamping frame. The clamping elastic member is sleeved on the guide column. The guide column slides through the floating plate. An even number of the clamping elastic members are symmetrically distributed on both sides of the clamping cylinder.

[0011] The clamping bracket is provided with a first guiding inclined surface and / or a second guiding inclined surface, and the first guiding inclined surface and / or the second guiding inclined surface are located at the feeding end of the feeding channel.

[0012] The clamping bracket is provided with a limiting block for limiting the side of the paperboard to be processed, and the limiting block is located at the feeding end of the feeding channel.

[0013] The lifting power assembly includes a lifting servo motor, a first transmission shaft, a transmission gear and a transmission rack; the lifting servo motor is arranged on a lifting bracket, and the motor shaft of the lifting servo motor is connected to the first transmission shaft; the first transmission shaft is rotatably arranged on the lifting bracket; the transmission gear is arranged on the first transmission shaft; the transmission rack is vertically arranged on the storage rack, and the transmission gear is meshed with the transmission rack.

[0014] A feeding bracket is movably arranged on the lifting bracket, and the clamping mechanism is arranged on the feeding bracket; a feeding power component for controlling the connection between the feeding channel and the feeding channel is arranged between the feeding bracket and the lifting bracket.

[0015] The feeding power assembly includes a first transmission rod, a second transmission rod, a third transmission rod, a fourth transmission rod, a fifth transmission rod, and a feeding servo motor; one end of the first transmission rod is hinged to the lifting bracket, and the other end is hinged to one end of the second transmission rod; the other end of the second transmission rod is hinged to one end of the third transmission rod; the other end of the third transmission rod is hinged to the lifting bracket; one end of the fourth transmission rod is hinged to the middle part of the first transmission rod, and the other end is hinged to the feeding bracket; one end of the fifth transmission rod is hinged to the lifting bracket, and the other end is hinged to the feeding bracket; the motor shaft of the feeding servo motor is transmission-connected to the other end of the third transmission rod.

[0016] The lifting bracket is provided with a rotatable second transmission shaft, the other end of the third transmission rod is connected to the second transmission shaft, and the other end of the third transmission rod is hinged to the lifting bracket through the second transmission shaft; the motor shaft of the feed servo motor is transmission-connected to the second transmission shaft.

[0017] The second transmission shaft is provided with a cam that rotates therewith, and the cam is provided with a switch triggering part and a sensing part; the lifting bracket is provided with a touch switch and a sensor; when the cam rotates to a set position with the second transmission shaft, the switch triggering part touches the touch switch, and the sensing part corresponds to the sensor.

[0018] The beneficial effects of the present invention are as follows:

[0019] In this storage system:

[0020] ① The clamping mechanism realizes modular setting, so the processing and assembly are simple and convenient, and the versatility is strong; wherein, the clamping brackets are arranged in an up-and-down manner on the cutting machine frame, and a feeding channel is formed between the two clamping brackets. The clamping cylinder, the clamping block, the clamping elastic member and other components cooperate with each other to effectively clamp the cardboard to be processed, so as to prevent the cardboard to be processed from shifting during processing; in addition, the clamping elastic member can drive the clamping block to elastically press on the cardboard to be processed, so as to elastically clamp the cardboard to be processed, effectively avoiding the movable shift of the cardboard to be processed without causing damage to the cardboard to be processed; when the cardboard to be processed needs to be conveyed, the clamping cylinder side overcomes the elastic force acting on the clamping block and drives the clamping block to separate from the cardboard to be processed, so as to ensure the smooth feeding of the cardboard to be processed; it can be seen that the clamping mechanism can effectively clamp the cardboard to be processed, thereby ensuring the smooth and high-quality completion of the cutting work.

[0021] ② In the material storage lifting mechanism, more than two feeding channels on the lifting bracket adopt an up and down lifting switching mode to correspond to the feeding channel, so as to switch different sizes of cardboards on different feeding channels, thereby realizing the switching and loading of the cardboards to be processed. The whole process is controlled by the system and no human participation is required. It has a high degree of automation, high work efficiency and high precision. The lifting and lowering switching mode can improve work efficiency and the loading position of the cardboards to be processed is accurate. In addition, since the gear rack structure is used to realize the lifting movement of the lifting bracket, the transmission performance is sensitive, the performance is reliable and durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a partial stereoscopic diagram of a material storage system in one embodiment of the present invention.

[0023] Figure 2 It is a partial front view of a material storage system in one embodiment of the present invention.

[0024] Figure 3 for Figure 2 Cross-sectional view along the KK direction.

[0025] Figure 4 It is a partial cross-sectional view of the clamping mechanism in a non-clamping state according to one embodiment of the present invention.

[0026] Figure 5 It is a partial cross-sectional view of the clamping state of the clamping mechanism in one embodiment of the present invention.

[0027] Figure 6 for Figure 1 Enlarged schematic diagram of point L in the middle.

[0028] Figure 7 It is a partial schematic diagram of a material storage lifting mechanism in one embodiment of the present invention.

[0029] Figure 8 It is a cross-sectional view of a material storage lifting mechanism in one embodiment of the present invention. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] See also Figure 1-Figure 8 The intelligent carton cutting machine involved in this embodiment is provided with a material storage system for storing the cardboard H to be processed; the material storage system includes a clamping mechanism E for clamping the cardboard to be processed and a material storage lifting mechanism F for switching the cardboard to be processed, the clamping mechanism E is arranged on the material storage lifting mechanism F, and the material storage lifting mechanism F is arranged on the material storage frame;

[0032] The clamping mechanism E includes a clamping bracket E2. Two or more sets of clamping brackets E2 are arranged vertically, and a feeding channel E3 (for conveying the cardboard H to be processed) is formed between two adjacent clamping brackets E2. Figure 3 In the figure, s is the conveying direction of the cardboard H to be processed), the feeding channel E3 is specifically the gap between the bottom of the upper clamping bracket E2 and the top of the lower clamping bracket E2. The height of the feeding channel E3 is slightly greater than the thickness of the cardboard H to be processed, so as to ensure that the cardboard H to be processed is smoothly conveyed in the feeding channel; more than two feeding channels E3 are arranged in sequence from top to bottom, and different feeding channels E3 can store cardboards H to be processed of different sizes / models, so as to switch the corresponding cardboards H to be processed to produce corresponding cartons; the clamping bracket E2 above the feeding channel E3 is provided with a clamping cylinder E4, a clamping block E5 and a clamping elastic member E6; the top end of the clamping elastic member E6 acts on the upper and bottom of the clamping bracket E2 The end acts on the clamping block E5, and the clamping elastic member E6 acts on the clamping block E5 to elastically clamp the cardboard H to be processed on the feeding channel E3; the clamping block E5 is connected to the piston rod of the clamping cylinder E4, and the clamping cylinder E4 drives the clamping block E5 to separate from the cardboard H to be processed on the feeding channel E3; when the cardboard H to be processed is in the cutting state, in order to ensure that the cardboard H to be processed is clamped and fixed, the clamping block E5 elastically clamps the cardboard H to be processed under the action of the clamping elastic member E6, so as to ensure that the cutting work is completed smoothly and with high quality; when the cardboard H to be processed is in the conveying state, the clamping cylinder E4 overcomes the elastic force of the clamping elastic member E6 to drive the clamping block E5 to separate from the cardboard H to be processed, so as to ensure that the cardboard H to be processed is conveyed smoothly;

[0033] The material storage lifting mechanism F includes a lifting bracket F1 movably arranged on the material storage frame, and a lifting power assembly for driving the lifting bracket F1 to move up and down relative to the material storage frame; the clamping bracket E2 is arranged on the lifting bracket F1 to form more than two feeding channels E3; the feeding channels E3 move up and down with the lifting bracket F1, so that at least one feeding channel E3 corresponds to the feeding channel I, and the cardboard to be processed in the feeding channel E3 corresponding to the feeding channel E can enter the next process through the feeding channel E; the lifting power assembly is arranged between the lifting bracket F1 and the material storage frame.

[0034] See 2- Figure 6

[0035] Further, a floating plate E9 that moves with the material clamping block E5 is fixedly arranged on the top of the material clamping block E5. The elastic force of the material clamping elastic member E6 acts on the material clamping block E5 elastically through the floating plate E9. Under the action of the material clamping elastic member E6, the material clamping block E5 elastically presses the cardboard H to be processed in the feeding channel E3 downward to achieve the purpose of clamping the cardboard H to be processed; a material clamping frame E10 is fixedly arranged inside the material clamping bracket E2. The cylinder block of the material clamping cylinder E4 is fixedly arranged inside the material clamping frame E10. The material clamping block E5 and the floating plate E9 can move up and down relative to the material clamping frame E10 respectively. The top end of the material clamping elastic member E6 acts on the material clamping bracket E2 through the material clamping frame E10; the material clamping cylinder E4, the material clamping block E5 and the material clamping elastic member E6 are respectively integrated on the material clamping frame E10 to realize modular setting, which is convenient for installation and connection with the material clamping bracket E2.

[0036] Further, the material clamping elastic member E6 is a cylindrical helical spring. A guide post E8 is arranged inside the material clamping frame E10. The top end and the bottom end of the guide post E8 are respectively inserted into the material clamping frame E10. The material clamping elastic member E6 is sleeved outside the guide post E8 at intervals. The guide post E8 slidably penetrates through the floating plate E9. The guide post E8 can effectively guide the linear contraction or relaxation of the material clamping elastic member E6 to ensure that the elastic force of the material clamping elastic member E6 acts on the material clamping block E5 effectively, and at the same time, the deformation of the material clamping elastic member E6 can be avoided; an even number of material clamping elastic members E6 are symmetrically distributed on both sides of the material clamping cylinder E4 in pairs to ensure the balance of the elastic force acting on the material clamping block E5. Two material clamping elastic members E6 are arranged in this embodiment.

[0037] Further, a first guiding inclined surface E201 is arranged at the bottom of one side of the material clamping bracket E2, and a second guiding inclined surface E202 is arranged at the top. The first guiding inclined surface E201 is inclined upward, and the second guiding inclined surface E202 is inclined downward. The first guiding inclined surface E201 and the second guiding inclined surface E202 are respectively located at the feeding end of the feeding channel E3; the first guiding inclined surface E201 in the upper material clamping bracket E2 and the second guiding inclined surface E202 in the lower material clamping bracket E2 together form a horn-shaped inlet to effectively guide the cardboard H to be processed into the feeding channel E3.

[0038] Further, a limiting block E7 for limiting the side part of the cardboard H to be processed is arranged on the material clamping bracket E2. The limiting block E7 is located at the feeding end of the feeding channel E3; the limiting block E7 can effectively position the left and right sides of the cardboard H to be processed. The cross section of the material clamping bracket E2 is in a U shape, is made of a metal material and extends horizontally. More than one material clamping frame E10 is arranged horizontally and fixedly arranged inside the material clamping bracket E2. The material clamping cylinder E4, the material clamping block E5 and the material clamping elastic member E6 are respectively arranged inside the material clamping frame E10; a first through hole 203 corresponding to the material clamping block E5 is arranged on the bottom wall of the material clamping bracket E2. The material clamping block E5 passes through the first through hole 203 downward and then presses on the cardboard H to be processed.

[0039] See also Figure 7 and Figure 8

[0040] Furthermore, the lifting power assembly includes a lifting servo motor F4, a first transmission shaft F5, a transmission gear F6 and a transmission rack F7; the lifting servo motor F4 is fixedly arranged at the lower part of the lifting bracket F1, and the motor shaft of the lifting servo motor F4 is connected to the first transmission shaft F5 through a reduction gear box to drive the first transmission shaft F5 to rotate; the first transmission shaft F5 is rotatably arranged at the lower part of the lifting bracket F1, and driven by the lifting servo motor F4, the first transmission shaft F5 is positioned and rotated on the lifting bracket F1; two transmission gears F6 are arranged and are respectively fixed at both ends of the first transmission shaft F5; two transmission racks F7 are arranged and are respectively vertically arranged on both sides of the storage frame, and the transmission gear F6 is meshed with the corresponding transmission rack F7; the first transmission shaft F5 drives the transmission gears F6 at both ends to rotate, so that the transmission gear F6 rolls on the transmission rack F7, and under the interaction of the gears and racks, the lifting bracket F1 climbs upward along the transmission rack F7.

[0041] Furthermore, rotatable guide rollers F8 are respectively provided on both sides of the lifting bracket F1; vertically extending guide rods F9 are respectively provided on both sides of the material storage rack; and the guide rollers F8 roll on the guide rods F9. Specifically, four guide rollers F8 are provided on each side of the lifting bracket F1, and two guide rods F9 are respectively provided on each side of the material storage rack. The two guide rollers F8 on the same side roll on the outside of one guide rod F9, and the remaining two guide rollers F8 on the same side roll on the outside of another guide rod F9, thereby effectively guiding the lifting bracket F1 to rise and fall vertically; the transmission rack F7 is provided on any guide rod F9 and extends vertically along the guide rod F9.

[0042] Furthermore, a feed support F10 is movably provided at the front side of the lifting support F1, and two or more feed channels E3 are respectively provided inside the feed support F10; a feed power assembly for controlling the connection between the feed channel E3 and the feed channel E is provided between the feed support F10 and the lifting support F1. When the feed channel E3 storing the required paperboard to be processed is lifted and lowered to correspond to the feed channel E, the feed power assembly drives the feed support F10 to approach the feed channel E to ensure that the paperboard to be processed can enter the feed channel E smoothly.

[0043] Furthermore, the feeding power assembly includes a first transmission rod F11, a second transmission rod F12, a third transmission rod F13, a fourth transmission rod F14, a fifth transmission rod F15, and a feeding servo motor (not shown in the figure); one end of the first transmission rod F11 is hinged to the rear middle part of the lifting bracket F1, and the other end is hinged to one end of the second transmission rod F12 above; the other end of the second transmission rod F12 is hinged to one end of the third transmission rod F13; the other end of the third transmission rod F13 is hinged to the upper part of the lifting bracket F1; one end of the fourth transmission rod F14 is hinged to the middle part of the first transmission rod F11, and the other end is hinged to the middle part of the feeding bracket F10; one end of the fifth transmission rod F15 is hinged to the front lower part of the lifting bracket F1, and the other end is hinged to the lower part of the feeding bracket F10; the motor shaft of the feeding servo motor is connected to the other end of the third transmission rod F13 to drive the entire transmission structure to work through the third transmission rod F13, thereby realizing the movement of the feeding bracket F10. The first transmission rod F11, the third transmission rod F13, the fourth transmission rod F14 and the fifth transmission rod F15 are respectively in a straight bar shape; the second transmission rod F12 is in a bent shape.

[0044] Furthermore, a rotatable second transmission shaft F16 is provided on the upper part of the lifting bracket F1, the other end of the third transmission rod F13 is connected to the second transmission shaft F16, and the other end of the third transmission rod F13 is hinged to the lifting bracket F1 through the second transmission shaft F16; the motor shaft of the feed servo motor is connected to the second transmission shaft F16. Figure 8 The feed servo motor drives the second transmission shaft F16 to rotate clockwise, and the third transmission rod F13 pulls the second transmission rod F12 forward, causing the first transmission rod F11 to swing forward. Under the push of the fourth transmission rod F14 and the fifth transmission rod F15, the feed bracket F10 moves forward a certain distance, so that the corresponding feeding channel E3 is connected with the feed channel I.

[0045] Furthermore, a cam F17 is provided at the end of the second transmission shaft F16 and rotates with the second transmission shaft F16, and an outwardly protruding switch trigger part F1701 and a sensing part F1702 are provided on the cam F17; a touch switch F18 and a sensor F19 are relatively fixedly provided on the lifting bracket F1; when the cam F17 rotates to a set position with the second transmission shaft F16, the switch trigger part F1701 touches the touch switch F18, and the sensing part F1702 corresponds to the sensor F19; when the system receives a signal feedback from the sensor F19, it determines that the feed bracket F10 has reached the set position, and then the system controls the feed servo motor to stop through the touch switch F18, thereby effectively controlling the moving distance of the feed bracket F10 within an appropriate range.

[0046] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for illustrating the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A material storage system for an intelligent carton cutting machine, characterized in that: It comprises a material clamping mechanism (E) for clamping the paperboard to be processed and a material storage lifting mechanism (F) for switching the paperboard to be processed, wherein the material clamping mechanism (E) is arranged on the material storage lifting mechanism (F), and the material storage lifting mechanism (F) is arranged on the material storage frame; The clamping mechanism (E) comprises a clamping bracket (E2), two or more sets of clamping brackets (E2) are arranged up and down, and a feeding channel (E3) for conveying the cardboard (H) to be processed is formed between two adjacent clamping brackets (E2) up and down; a clamping cylinder (E4), a clamping block (E5) and a clamping elastic member (E6) are arranged on the clamping bracket (E2) above the feeding channel (E3); one end of the clamping elastic member (E6) acts on the clamping bracket (E2) and the other end acts on the clamping block (E5); the clamping elastic member (E6) ) acts to cause the clamping block (E5) to elastically clamp the cardboard (H) to be processed on the feeding channel (E3); the clamping block (E5) is connected to the piston rod of the clamping cylinder (E4), and the clamping cylinder (E4) drives the clamping block (E5) to separate from the cardboard (H) to be processed on the feeding channel (E3); the clamping bracket (E2) is provided with a first guiding inclined surface (E201) and / or a second guiding inclined surface (E202), and the first guiding inclined surface (E201) and / or the second guiding inclined surface (E202) are located at the feeding end of the feeding channel (E3); The material storage lifting mechanism (F) comprises a lifting bracket (F1) movably arranged on the material storage frame, and a lifting power assembly for driving the lifting bracket (F1) to move up and down relative to the material storage frame; the material clamping bracket (E2) is arranged on the lifting bracket (F1) to form more than two feeding channels (E3); the feeding channels (E3) move up and down with the lifting bracket (F1) so that at least one feeding channel (E3) corresponds to the feeding channel (I); the lifting power assembly is arranged between the lifting bracket (F1) and the material storage frame; A feeding support (F10) is movably provided on the lifting support (F1), and the clamping mechanism (E) is provided on the feeding support (F10); a feeding power assembly for controlling the connection between the feeding channel (E3) and the feeding channel (I) is provided between the feeding support (F10) and the lifting support (F1); The feeding power assembly comprises a first transmission rod (F11), a second transmission rod (F12), a third transmission rod (F13), a fourth transmission rod (F14), a fifth transmission rod (F15), and a feeding servo motor; one end of the first transmission rod (F11) is hinged to the lifting bracket (F1), and the other end is hinged to one end of the second transmission rod (F12); the other end of the second transmission rod (F12) is hinged to one end of the third transmission rod (F13); the other end of the third transmission rod (F13) is hinged to the lifting bracket (F1); one end of the fourth transmission rod (F14) is hinged to the middle part of the first transmission rod (F11), and the other end is hinged to the feeding bracket (F10); one end of the fifth transmission rod (F15) is hinged to the lifting bracket (F1), and the other end is hinged to the feeding bracket (F10); the motor shaft of the feeding servo motor is drivingly connected to the other end of the third transmission rod (F13).

2. The material storage system of the intelligent carton cutting machine according to claim 1 is characterized in that: The clamping block (E5) is provided with a floating plate (E9) that moves with the clamping block (E5), the other end of the clamping elastic member (E6) acts on the floating plate (E9), and the elastic force of the clamping elastic member (E6) acts on the clamping block (E5) through the floating plate (E9); the clamping support (E2) is provided with a clamping frame (E10), the clamping cylinder (E4) is arranged on the clamping frame (E10), the clamping block (E5) and the floating plate (E9) are movable relative to the clamping frame (E10), and one end of the clamping elastic member (E6) acts on the clamping support (E2) through the clamping frame (E10).

3. The material storage system of the intelligent carton cutting machine according to claim 2 is characterized in that: The clamping elastic member (E6) is a columnar helical spring. A guide column (E8) is provided on the clamping frame (E10). The clamping elastic member (E6) is sleeved on the guide column (E8). The guide column (E8) slides through the floating plate (E9). An even number of the clamping elastic members (E6) are symmetrically distributed on both sides of the clamping cylinder (E4).

4. The material storage system of the intelligent carton cutting machine according to claim 1 is characterized in that: The clamping bracket (E2) is provided with a limiting block (E7) for limiting the side of the paperboard (H) to be processed, and the limiting block (E7) is located at the feeding end of the feeding channel (E3).

5. The material storage system of the intelligent carton cutting machine according to claim 1 is characterized in that: The lifting power assembly comprises a lifting servo motor (F4), a first transmission shaft (F5), a transmission gear (F6) and a transmission rack (F7); the lifting servo motor (F4) is arranged on a lifting bracket (F1), and the motor shaft of the lifting servo motor (F4) is connected to the first transmission shaft (F5); the first transmission shaft (F5) is rotatably arranged on the lifting bracket (F1); the transmission gear (F6) is arranged on the first transmission shaft (F5); the transmission rack (F7) is vertically arranged on the material storage frame, and the transmission gear (F6) is meshed with the transmission rack (F7).

6. The material storage system of the intelligent carton cutting machine according to claim 1 is characterized in that: The lifting bracket (F1) is provided with a rotatable second transmission shaft (F16), the other end of the third transmission rod (F13) is connected to the second transmission shaft (F16), and the other end of the third transmission rod (F13) is hinged to the lifting bracket (F1) through the second transmission shaft (F16); the motor shaft of the feeding servo motor is transmission-connected to the second transmission shaft (F16).

7. The material storage system of the intelligent carton cutting machine according to claim 6 is characterized in that: The second transmission shaft (F16) is provided with a cam (F17) that rotates therewith, and the cam (F17) is provided with a switch triggering part (F1701) and a sensing part (F1702); the lifting bracket (F1) is provided with a touch switch (F18) and a sensor (F19); when the cam (F17) rotates to a set position along with the second transmission shaft (F16), the switch triggering part (F1701) touches the touch switch (F18), and the sensing part (F1702) corresponds to the sensor (F19).

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