A device and process for producing a pressure mark-free grey board

Abstract

This invention provides a non-marking grey cardboard production device and process, relating to the field of grey cardboard production technology. The device includes: a mounting base; a frame is fixedly connected to the top rear end of the mounting base, and a collection box is fixedly connected to the top of the frame. The collection box has a hollow interior, and a control frame is located at the top of the collection box. A screw is rotatably connected to the inside of the control frame. After the grey cardboard material enters the collection box, rotating the screw causes two auxiliary plates to move in opposite directions. By adjusting the distance between the two auxiliary plates, the grey cardboard material entering the collection box is centered. This solves the problem that after cutting and transportation, grey cardboard cannot be neatly and uniformly arranged, requiring subsequent manual alignment operations and increasing labor costs.

Description

Technical Field

[0001] This invention relates to the field of grey paperboard production technology, and in particular to a grey paperboard production apparatus and process without indentations. Background Technology

[0002] As people's living standards improve, the social economy is also constantly growing. This growing economy cannot be separated from some basic industries. With the development of the internet, the logistics industry will gradually increase. Goods transported by logistics or other means are usually packaged in cardboard boxes to ensure their safety during transportation. As the demand for cardboard boxes increases, grey cardboard has become widely popular. The materials required for the production of grey cardboard are mostly waste paper pulp, which can be better processed from recycled waste paper to make pulp, further saving certain costs. At the same time, grey cardboard also has the same properties as ordinary cardboard.

[0003] Application No. CN202211658420.X This invention provides a production device and process for producing gray cardboard without exposed bottom, relating to the field of cardboard production equipment. It includes: a conveying component, with mounting components on its left and right sides; a contact component rotatably mounted with contact wheels, which can contact vertical cardboard. The contact wheels are raised, and when raised, they contact the trigger head of a triggering component, connecting the trigger plate on the trigger head to the connecting guide frame, ensuring signal connection to the connecting guide frame. When a hole appears in the vertical cardboard, preventing contact with the contact wheel, the trigger head falls, preventing the connecting guide frame from triggering a signal, thus triggering an alarm in the equipment. This prevents exposed bottom between the vertical cardboard and the cardboard, effectively solving the problem of exposed bottom in the vertical core of gray cardboard layers, where the core layer may not fully unfold, resulting in void areas in the gray cardboard core that cannot be detected by electronic sensors.

[0004] Based on the above patent search and understanding of the application of an existing non-crease gray cardboard production device and its process: Currently, defective products generated during the production of non-crease gray cardboard cannot be transferred separately, which easily leads to material mixing, affecting the product qualification rate. Furthermore, after cutting and transportation, the gray cardboard cannot be neatly and uniformly arranged, and subsequent manual alignment is required, increasing labor consumption.

[0005] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a production device and process for non-indented grey cardboard, in order to achieve a more practical purpose. Summary of the Invention

[0006] To address the aforementioned technical problems, this invention provides a non-marking grey cardboard production apparatus and process, which solves the problems of existing non-marking grey cardboard production where defective products cannot be transferred individually, easily leading to material mixing, affecting product qualification rate, and after cutting and transportation, grey cardboard cannot be neatly and uniformly arranged, requiring subsequent manual alignment operations, increasing labor consumption.

[0007] This invention provides a non-marking grey cardboard production device and process, specifically including: a mounting base; a frame is fixedly connected to the top rear end of the mounting base, a collection box is fixedly connected to the top of the frame, the collection box has a hollow interior, a control frame is set at the upper part of the collection box, a screw is rotatably connected to the inside of the control frame, opposing threads are provided on both sides of the screw, an auxiliary plate is slidably connected to the left and right sides of the control frame, a rectangular groove is opened at the middle of the front end of the collection box, a picking groove is provided at the lower rear end of the collection box, a sliding seat A is slidably connected to the middle of the top of the mounting base, and a sliding seat B is slidably connected to the front end of the top of the mounting base.

[0008] Furthermore, threaded holes are respectively opened at the middle position of the upper part of the two auxiliary plates, and the left and right sides of the screw are respectively rotatably connected to the threaded holes of the two auxiliary plates. A support frame is provided at the front end of the frame base. The support frame is located at the front end of the rectangular groove of the collection box. A limiting plate is fixedly connected to the left and right sides of the front end of the support frame. The two limiting plates are symmetrically designed, and a conveyor belt A is provided at the middle position of the limiting plates.

[0009] Furthermore, the conveyor belt A is located in the middle of the two limiting plates, and a cylinder A is fixedly connected to the top middle position of the support frame. A mounting frame is provided at the bottom telescopic rod position of the cylinder A. The conveyor belt B is installed in the mounting frame connected to the cylinder A, and the conveyor belt B is located directly above the conveyor belt A.

[0010] Furthermore, a cylinder B is provided at the middle position of the sliding seat A, and a flow divider is provided at the upper end of the cylinder B. The flow divider is located at the middle front end of the two limiting plates. A temporary storage rack is fixedly connected to the top right side of the sliding seat A. The temporary storage rack is designed in an L shape, and a through groove is opened at the top of the temporary storage rack. A cylinder C is fixedly connected to the left side of the temporary storage rack.

[0011] Furthermore, a movable block is connected to the right side of the cylinder C, and a temporary storage rack is slidably connected to the movable block. A rotating roller is set in the middle of the temporary storage rack, and the rotating roller is driven by a motor. The diverter is located below the movable block.

[0012] Furthermore, a cutting seat is fixedly connected to the top of the sliding seat B. A cutting groove is opened at the front middle position of the top of the cutting seat. A clamping frame is fixedly connected to the rear middle position of the top of the cutting seat. A cylinder E is respectively arranged on the left and right sides of the clamping frame. A clamping block is arranged on the inner side of each of the two cylinders E. The clamping blocks of the two cylinders E are respectively located on the inner sides of the clamping frame.

[0013] Furthermore, an L-frame is fixedly connected to the top right side of the cutting seat, a lifting frame is slidably connected to the left side of the L-frame, a cylinder D is installed at the top of the L-frame, the bottom of the cylinder D is connected to the lifting frame, a servo motor is installed at the upper front end of the lifting frame, and a saw blade is rotatably connected to the lower front end of the lifting frame. The saw blade and the servo motor are connected by a belt.

[0014] Furthermore, a vertical frame is fixedly connected to the top rear end of the cutting seat, a cylinder F is fixedly connected to the top of the vertical frame, a conveyor belt C is connected to the bottom of the cylinder F, the front end of the conveyor belt C is located below the lifting frame, and the conveyor belt C is located above the middle of the clamping frame.

[0015] The present invention also discloses a process for producing non-indented grey cardboard, comprising the following steps:

[0016] 1) Slide slide B backward so that the rear end of slide B is in contact with the front end of slide A. At this time, the front ends of the two limiting plates are in contact with the two sides of the rear end of the cutting seat. When cutting gray cardboard material, first place the material above the cutting seat and in the middle of the clamping frame. Then, start the two cylinders E. The clamping blocks of the two cylinders E are in contact with the left and right sides of the gray cardboard material, clamping and fixing the gray cardboard material in the middle. Next, the lifting frame is driven by cylinder D to complete the up and down lifting steps, so that the bottom of the saw blade is in contact with the gray cardboard material. After starting the servo motor, the servo motor drives the saw blade to rotate through the belt, and then the saw blade completes the cutting step of the gray cardboard material. Combined with the limiting treatment of the two cylinders E, the material is centered in the middle of the clamping frame.

[0017] 2) After the gray cardboard material is cut, cylinder F is activated to move conveyor belt C downwards until the bottom front end of conveyor belt C is in contact with the top of the cut gray cardboard material. Then, conveyor belt C is activated, and its rotation will move the gray cardboard material backwards, allowing it to pass through the middle of the upright and move to the front end of the two limit plates. At the same time, the gray cardboard material is positioned above the diverter. When there are defects in the cut gray cardboard material, cylinder B is activated, which will move the diverter upwards. The diverter will lift the gray cardboard material above until the top of the gray cardboard material is in contact with the bottom of the rotating roller. The rotating roller is driven by a motor to rotate, causing the gray cardboard material to move to the right. Then, through the extension of cylinder C, the movable block moves to the right as a whole, changing the position of the rotating roller. This makes it easier to transfer the defective gray cardboard material to the upper right side of the temporary storage rack for temporary storage, avoiding material mixing.

[0018] 3) After ensuring there are no issues with the gray cardboard material itself, the recut gray cardboard material moves backward, pushing the rear gray cardboard material backward. This causes the rear gray cardboard material to slide backward above the two limiting plates until it is positioned above conveyor belt A. Then, conveyor belt A transports the upper gray cardboard material backward until it is transported into the rectangular groove of the collection box, completing the collection. At the same time, cylinder A is activated to control the height adjustment of conveyor belt B, so that the bottom of conveyor belt B is in contact with the upper position of the gray cardboard material, thus limiting the movement of the gray cardboard material in the middle position between conveyor belt B and conveyor belt A.

[0019] 4) After the gray cardboard material enters the collection box, rotate the screw to move the two auxiliary plates to opposite positions. By adjusting the distance between the two auxiliary plates, the gray cardboard material entering the collection box can be centered, avoiding the need for manual reassembly of the gray cardboard material later, which would consume manpower.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] When cutting gray cardboard material, first place the material above the cutting seat and in the middle of the clamping frame. Then, activate two cylinders E. The clamping blocks of the two cylinders E respectively adhere to the left and right sides of the gray cardboard material, clamping and fixing the gray cardboard material in the middle. Next, the lifting frame is driven by cylinder D to complete the up and down lifting steps, so that the bottom of the saw blade is in contact with the gray cardboard material. After the servo motor is activated, the servo motor drives the saw blade to rotate through the belt, and then the saw blade completes the cutting step of the gray cardboard material. Combined with the limiting treatment of the two cylinders E, the material is centered in the middle of the clamping frame.

[0022] After the gray cardboard material is cut, cylinder F is activated to move conveyor belt C downwards until the bottom front end of conveyor belt C is in contact with the top of the cut gray cardboard material. Next, conveyor belt C is activated, and its rotation causes the gray cardboard material to move backwards, passing through the middle of the upright and moving to the front end of the two limiting plates. Simultaneously, the gray cardboard material is positioned above the diverter. When defective gray cardboard material is found, cylinder B is activated, causing the diverter to move upwards. The diverter lifts the gray cardboard material above until the top of the material is in contact with the bottom of the rotating roller. The rotating roller is then driven by a motor to rotate, causing the gray cardboard material to move to the right. The extension of cylinder C further moves the movable block to the right, changing the position of the rotating roller. This facilitates the transfer of defective gray cardboard material to the upper right side of the temporary storage rack for temporary storage, preventing material mixing.

[0023] After ensuring the gray cardboard material itself is free of problems, the recut gray cardboard material moves backward, pushing the rear gray cardboard material backward, causing the rear gray cardboard material to slide backward above the two limiting plates until it is above conveyor belt A. Then, conveyor belt A transports the upper gray cardboard material backward until it is transported into the rectangular groove of the collection box for collection. At the same time, cylinder A is activated to control the height of conveyor belt B, so that the bottom of conveyor belt B is in contact with the upper position of the gray cardboard material, and the gray cardboard material in the middle position between conveyor belt B and conveyor belt A is limited and moved.

[0024] After the gray cardboard material enters the collection box, the screw is rotated to move the two auxiliary plates in opposite directions. By adjusting the distance between the two auxiliary plates, the gray cardboard material entering the collection box is centered, avoiding the need for manual reassembly of the gray cardboard material later, which would consume manpower. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0026] In the attached diagram:

[0027] Figure 1 A top view of the non-indented grey cardboard production apparatus according to an embodiment of the present invention is shown;

[0028] Figure 2 A schematic diagram of the left-side structure of a non-indented grey cardboard production apparatus according to an embodiment of the present invention is shown;

[0029] Figure 3 A side view of the non-indented grey cardboard production apparatus according to an embodiment of the present invention is shown.

[0030] Figure 4 A schematic side view of the overall structure of the mounting base according to an embodiment of the present invention is shown;

[0031] Figure 5 A schematic side view of the overall structure of the sliding seat A according to an embodiment of the present invention is shown;

[0032] Figure 6 A schematic half-section side view of the sliding seat A according to an embodiment of the present invention is shown;

[0033] Figure 7 A schematic diagram of the overall main structure of the sliding seat B according to an embodiment of the present invention is shown;

[0034] Figure 8 A schematic side view of the overall structure of the sliding seat B according to an embodiment of the present invention is shown.

[0035] List of reference numerals

[0036] 1. Mounting seat; 101. Frame; 102. Collection box; 103. Control frame; 104. Screw; 105. Auxiliary plate; 106. Support frame; 107. Limiting plate; 108. Conveyor belt A; 109. Cylinder A; 110. Conveyor belt B; 2. Sliding seat A; 201. Cylinder B; 202. Diverter; 203. Temporary storage rack; 204. Cylinder C; 205. Movable block; 206. Rotating roller; 3. Sliding seat B; 301. Cutting seat; 302. L-frame; 303. Cylinder D; 304. Lifting frame; 305. Servo motor; 306. Saw blade; 307. Clamping frame; 308. Cylinder E; 309. Stand; 310. Cylinder F; 311. Conveyor belt C. Detailed Implementation

[0037] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples.

[0038] Example:

[0039] As attached Figure 1 To be continued Figure 8 As shown:

[0040] This invention provides a non-marking grey cardboard production apparatus and process, comprising: a mounting base 1; a frame 101 fixedly connected to the top rear end of the mounting base 1, a collection box 102 fixedly connected to the top of the frame 101, the collection box 102 having a hollow interior, a control frame 103 disposed at the upper part of the collection box 102, a screw 104 rotatably connected to the interior of the control frame 103, opposing threads on both sides of the screw 104, an auxiliary plate 105 slidably connected to the left and right sides of the control frame 103, a rectangular groove opened at the middle of the front end of the collection box 102, a retrieval groove disposed at the lower rear end of the collection box 102, a sliding seat A2 slidably connected to the middle of the top of the mounting base 1, and a sliding seat B3 slidably connected to the front end of the top of the mounting base 1.

[0041] The two auxiliary plates 105 are respectively provided with threaded holes at the top center. The left and right sides of the screw 104 are respectively rotatably connected to the threaded holes of the two auxiliary plates 105. The support frame 106 is provided at the front end of the frame 101. The support frame 106 is located at the front end of the rectangular groove of the collection box 102. A limiting plate 107 is fixedly connected to the left and right sides of the front end of the support frame 106. The two limiting plates 107 are symmetrically designed. A conveyor belt A108 is provided at the middle of the limiting plate 107. The conveyor belt A108 is located in the middle of the two limiting plates 107. A cylinder A109 is fixedly connected at the top center of the support frame 106. A mounting frame is provided at the bottom telescopic rod of the cylinder A109. A conveyor belt B110 is provided in the mounting frame connected to the cylinder A109. The conveyor belt B110 is located directly above the conveyor belt A108.

[0042] The sliding seat A2 has a cylinder B201 in the middle, a diverter 202 at the upper end of the cylinder B201, and the diverter 202 is located at the middle front end of the two limiting plates 107. A temporary storage rack 203 is fixedly connected to the top right side of the sliding seat A2. The temporary storage rack 203 is L-shaped and has a through slot at the top. A cylinder C204 is fixedly connected to the left side of the temporary storage rack 203. A movable block 205 is connected to the right side of the cylinder C204. The temporary storage rack 203 is slidably connected to the movable block 205. A rotating roller 206 is located in the middle of the temporary storage rack 203. The rotating roller 206 is driven by a motor. The diverter 202 is located below the movable block 205.

[0043] The top of the sliding seat B3 is fixedly connected to a cutting seat 301. A cutting groove is formed at the front center of the top of the cutting seat 301. A clamping frame 307 is fixedly connected to the rear center of the top of the cutting seat 301. A cylinder E308 is installed on each of the left and right sides of the clamping frame 307. A clamping block is installed inside each of the two cylinders E308, located on opposite sides of the inside of the clamping frame 307. An L-frame 302 is fixedly connected to the right side of the top of the cutting seat 301. A lifting frame 304 is slidably connected to the left side of the L-frame 302. A lifting frame 304 is installed at the top of the L-frame 302. Cylinder D303 is connected at its bottom to lifting frame 304. Servo motor 305 is located at the upper front end of lifting frame 304. Saw blade 306 is rotatably connected at the lower front end of lifting frame 304. Saw blade 306 and servo motor 305 are connected by a belt. A stand 309 is fixedly connected to the rear end of the top of cutting seat 301. Cylinder F310 is fixedly connected to the top of stand 309. Conveyor belt C311 is connected to the bottom of cylinder F310. The front end of conveyor belt C311 is located below lifting frame 304. Conveyor belt C311 is located at the upper middle of clamping frame 307.

[0044] In use: First, assemble the device according to the embodiment. Slide the sliding seat B3 backward so that the rear end of the sliding seat B3 is in contact with the front end of the sliding seat A2. At this time, the front ends of the two limiting plates 107 are respectively in contact with the two sides of the rear end of the cutting seat 301. When it is necessary to cut the gray cardboard material, first place the material above the cutting seat 301 and in the middle of the clamping frame 307. Next, start the two cylinders E308 respectively. The clamping blocks of the two cylinders E308 are respectively in contact with the left and right sides of the gray cardboard material, clamping and fixing the gray cardboard material in the middle position. Next, the lifting frame 304 is driven by the cylinder D303 to complete the up and down lifting steps, so that the bottom position of the saw blade 306 is in contact with the gray cardboard material. After starting the servo motor 305, the servo motor 305 drives the saw blade 306 to rotate through the belt, and then the saw blade 306 completes the cutting step of the gray cardboard material. Combined with the limiting treatment of the two cylinders E308, the material is centered in the middle position of the clamping frame 307.

[0045] After the gray cardboard material is cut, cylinder F310 is activated to move conveyor belt C311 downwards until the bottom front end of conveyor belt C311 is aligned with the top of the cut gray cardboard material. Next, conveyor belt C311 is activated, and its rotation causes the gray cardboard material to move backwards, passing the middle of the upright 309 and moving to the front end of the two limiting plates 107. Simultaneously, the gray cardboard material is positioned above the diverter 202. If any defects are found in the cut gray cardboard material, cylinder B201 is activated. Cylinder B201 will drive the diverter 202 to move upward, and the diverter 202 will lift the gray cardboard material at the upper position until the top position of the gray cardboard material is in contact with the bottom position of the rotating roller 206. The rotating roller 206 is driven by the motor to rotate, so that the gray cardboard material moves to the right. Then, through the extension of cylinder C204, the movable block 205 moves to the right as a whole, changing the position of the rotating roller 206. This makes it easier to transfer the defective gray cardboard material to the upper right position of the temporary storage rack 203 for temporary storage, avoiding material confusion.

[0046] After ensuring the gray cardboard material itself is free of problems, the recut gray cardboard material moves backward, pushing the rear gray cardboard material backward, causing the rear gray cardboard material to slide backward above the two limiting plates 107 until it is above the conveyor belt A108. Next, the upper gray cardboard material is conveyed backward by the conveyor belt A108 until it is conveyed into the rectangular groove of the collection box 102 for collection. At the same time, the cylinder A109 is activated to control the height of the conveyor belt B110 to be raised and lowered, so that the bottom of the conveyor belt B110 is in contact with the upper position of the gray cardboard material, and the gray cardboard material in the middle position between the conveyor belt B110 and the conveyor belt A108 is limited and moved.

[0047] After the gray cardboard material enters the collection box 102, the screw 104 is rotated to move the two auxiliary plates 105 to opposite positions. By adjusting the distance between the two auxiliary plates 105, the gray cardboard material entering the collection box 102 is centered, avoiding the need for manual reassembly of the gray cardboard material and the consumption of manpower.

Claims

1. A non-marking grey cardboard production apparatus, characterized in that, A non-marking gray cardboard production device includes: a mounting base (1); a frame (101) is fixedly connected to the top rear end of the mounting base (1), a collection box (102) is fixedly connected to the top of the frame (101), the inside of the collection box (102) is hollow, a control frame (103) is provided at the upper part of the inside of the collection box (102), a screw (104) is rotatably connected to the inside of the control frame (103), opposing threads are provided on both sides of the screw (104), an auxiliary plate (105) is slidably connected to the left and right sides of the control frame (103), a rectangular groove is provided at the middle of the front end of the collection box (102), a picking groove is provided at the lower rear end of the collection box (102), a sliding seat A (2) is slidably connected to the middle of the top of the mounting base (1), and a sliding seat B (3) is slidably connected to the front end of the top of the mounting base (1). The two auxiliary plates (105) are respectively provided with threaded holes at the middle position of the top. The left and right sides of the screw (104) are respectively rotatably connected to the threaded holes of the two auxiliary plates (105). A support frame (106) is provided at the front end of the frame (101). The support frame (106) is located at the front end of the rectangular groove of the collection box (102). A limiting plate (107) is fixedly connected to the left and right sides of the front end of the support frame (106). The two limiting plates (107) are symmetrically designed. A conveyor belt A (108) is provided at the middle position of the limiting plate (107). A cylinder B (201) is provided in the middle of the sliding seat A (2). A diverter (202) is provided at the upper end of the cylinder B (201). The diverter (202) is located at the middle front end of the two limiting plates (107). A temporary storage rack (203) is fixedly connected to the top right side of the sliding seat A (2). The temporary storage rack (203) is designed in an L shape, and a through groove is provided at the top of the temporary storage rack (203). A cylinder C (204) is fixedly connected to the left side of the temporary storage rack (203). The top of the sliding seat B (3) is fixedly connected to a cutting seat (301). A cutting groove is provided at the front middle position of the top of the cutting seat (301). A clamping frame (307) is fixedly connected at the rear middle position of the top of the cutting seat (301). A cylinder E (308) is provided on the left and right sides of the clamping frame (307). A clamping block is provided on the inner side of each of the two cylinders E (308). The clamping blocks of the two cylinders E (308) are located on the inner sides of the clamping frame (307). The cutting seat (301) is fixedly connected to the top right side of the L frame (302), and the L frame (302) is slidably connected to the left side of the L frame (302). The top of the L frame (302) is provided with a cylinder D (303), and the bottom of the cylinder D (303) is connected to the lifting frame (304). The upper front end of the lifting frame (304) is provided with a servo motor (305), and the lower front end of the lifting frame (304) is rotatably connected with a saw blade (306). The saw blade (306) and the servo motor (305) are connected by a belt. A movable block (205) is connected to the right side of the cylinder C (204). A temporary storage rack (203) is slidably connected to the movable block (205). A rotating roller (206) is provided on the movable block (205). The rotating roller (206) is driven by a motor. A diverter (202) is located below the movable block (205).

2. The non-marking grey cardboard production apparatus as described in claim 1, characterized in that: The conveyor belt A (108) is located in the middle of the two limiting plates (107). The top middle position of the support frame (106) is fixedly connected to the cylinder A (109). The bottom telescopic rod of the cylinder A (109) is provided with a mounting frame. The mounting frame connected to the cylinder A (109) is provided with the conveyor belt B (110). The conveyor belt B (110) is located directly above the conveyor belt A (108).

3. The non-marking grey cardboard production apparatus as described in claim 2, characterized in that: The cutting seat (301) is fixedly connected to the top rear end of the stand (309), the top of the stand (309) is fixedly connected to the cylinder F (310), the bottom of the cylinder F (310) is connected to the conveyor belt C (311), the front end of the conveyor belt C (311) is located below the lifting frame (304), and the conveyor belt C (311) is located above the middle of the clamping frame (307).

4. The process of the non-marking grey cardboard production apparatus as described in claim 3, characterized in that: Includes the following steps: 1) Slide the sliding block B (3) backward so that the rear end of the sliding block B (3) is in contact with the front end of the sliding block A (2). At this time, the front ends of the two limiting plates (107) are in contact with the rear sides of the cutting block (301). When the gray cardboard material needs to be cut, first place the material above the cutting block (301) and in the middle of the clamping frame (307). Then start the two cylinders E (308) respectively. The clamping blocks of the two cylinders E (308) are in contact with the left and right sides of the gray cardboard material respectively. The gray cardboard material in the middle position is clamped and fixed. Then, the lifting frame (304) is driven by the cylinder D (303) to complete the up and down lifting steps, so that the bottom position of the saw blade (306) is in contact with the gray cardboard material. After the servo motor (305) is started, the servo motor (305) drives the saw blade (306) to rotate through the belt, and then the saw blade (306) completes the cutting step of the gray cardboard material. Combined with the limiting treatment of the two cylinders E (308), the material is centered in the middle position of the clamping frame (307). 2) After the gray cardboard material is cut, cylinder F (310) is activated to move conveyor belt C (311) downwards until the bottom front end of conveyor belt C (311) is in contact with the top of the cut gray cardboard material. Then, conveyor belt C (311) is activated. The rotation of conveyor belt C (311) will drive the gray cardboard material to move backwards, so that the gray cardboard material moves from the middle position of the stand (309) to the front end position of the two limit plates (107). At the same time, the gray cardboard material is located above the diverter (202). When the cut gray cardboard material has defects, cylinder B (20) is activated. 1) Cylinder B (201) will drive the diverter (202) to move upward. The diverter (202) will lift the gray cardboard material at the upper position until the top position of the gray cardboard material is in contact with the bottom position of the rotating roller (206). The rotating roller (206) will be rotated by the motor, so that the gray cardboard material moves to the right. Then, through the extension of cylinder C (204), the moving block (205) will move to the right as a whole, changing the position of the rotating roller (206). This makes it easier to transfer the defective gray cardboard material to the upper right position of the temporary storage rack (203) for temporary storage, avoiding the situation of material confusion. 3) After the gray cardboard material itself is free of problems, the gray cardboard material is cut again and moved backward to push the gray cardboard material at the rear end to move backward, so that the gray cardboard material at the rear end slides backward above the two limiting plates (107) until it is above the conveyor belt A (108). Then, the gray cardboard material above is conveyed to the rear position through the conveyor belt A (108) until it is conveyed into the rectangular groove of the collection box (102) to complete the collection. At the same time, the cylinder A (109) is started to control the height of the conveyor belt B (110) to lift and lower, so that the bottom position of the conveyor belt B (110) is in contact with the upper position of the gray cardboard material, and the gray cardboard material in the middle position between the conveyor belt B (110) and the conveyor belt A (108) is limited and moved. 4) After the gray cardboard material enters the collection box (102), rotate the screw (104) to move the two auxiliary plates (105) to opposite positions. By adjusting the distance between the two auxiliary plates (105), the gray cardboard material entering the collection box (102) can be centered, avoiding the need for manual re-integration of the gray cardboard material and the consumption of manpower.

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