Abrasive paper roll storage device

Abstract

The abrasive paper roll storage device comprises a rack, a liftable storage box and a first driving assembly are arranged on the rack, a plurality of storage cavities are formed in the storage box at intervals, the storage box is provided with an opening, a supporting frame is arranged in each storage cavity, and a movable seat and a second driving assembly are further arranged on the rack; the second driving assembly drives the movable seat to be close to or away from the opening, a lifting plate capable of lifting in the Z-axis direction and a third driving assembly in transmission connection with the lifting plate are arranged on the movable seat, a mounting frame is arranged on the lifting plate and extends in the direction close to the opening, and two clamping jaws are arranged at the end, close to the opening, of the mounting frame at intervals in the Y-axis direction; the lifting plate is provided with a fourth driving assembly in transmission connection with the two clamping jaws, and the fourth driving assembly drives the two clamping jaws to be opened or closed synchronously. According to the abrasive paper roll storage rack, the technical problem that an existing abrasive paper roll storage rack is inconvenient to use is solved, and the technical effects that abrasive paper rolls are convenient to store and take, and the abrasive paper rolls are prevented from falling from high positions in the taking and placing process are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of abrasive tool production, and in particular to a sandpaper roll storage device. Background Art

[0002] Sandpaper is a grinding and polishing tool made by adhering abrasives to a base material with adhesive. It is mainly used to grind the surfaces of metal, wood, etc. to make them smooth and clean.

[0003] After the sandpaper is produced, it is usually wound on a roll and the sandpaper roll and the roll are placed on a rack for storage. In order to save space, the rack is arranged in multiple layers. The weight of the sandpaper roll is large. When placing the sandpaper roll on the upper layer of the rack, it is necessary to use a forklift or other machinery for transportation, which requires a high level of operation of the operator. In addition, since the sandpaper roll is cylindrical, it may roll during transportation and placement, causing the sandpaper roll to fall from a high place, which poses a certain safety risk. Therefore, the existing sandpaper roll storage rack is inconvenient to use. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a sandpaper roll storage device, which solves the problem that the sandpaper roll storage rack in the prior art is inconvenient to use.

[0005] According to an embodiment of the present invention, a sandpaper roll storage device comprises a frame, the frame is provided with a storage box which can be lifted and lowered along the Z-axis direction and a first driving assembly which is transmission-connected to the storage box, the storage box is provided with a plurality of storage cavities at intervals along the Z-axis direction and one of the side surfaces of the storage box in the X-axis direction has an opening which is connected to the storage cavity, each of the storage cavities is provided with a supporting frame, the frame is also provided with a movable seat which can be moved along the X-axis direction and a second driving assembly which is transmission-connected to the movable seat, the second driving assembly drives the movable seat to approach or move away from the opening, the movable seat is provided with a lifting plate which can be lifted and lowered along the Z-axis direction and a third driving assembly which is transmission-connected to the lifting plate, a mounting frame is provided on the lifting plate and the mounting frame extends in a direction close to the opening, two clamping claws are provided at intervals along the Y-axis direction at one end of the mounting frame close to the opening, a fourth driving assembly which is transmission-connected to the two clamping claws is provided on the lifting plate and the fourth driving assembly drives the two clamping claws to open or close synchronously.

[0006] Compared with the prior art, the present invention has the following beneficial effects: by adopting a support frame arranged in the storage cavity for placing the sandpaper roll, a plurality of storage cavities are arranged on the storage box and a support frame is arranged in each storage cavity, so that a large number of sandpaper rolls can be stored in the storage box, and a movable movable seat is arranged on the frame, a lift plate which can be raised or lowered is arranged on the movable seat and two clamps are arranged on the lift plate, and the clamps can be closed or opened by driving the fourth driving component to make the clamps respectively grab the two ends of the roller of the sandpaper roll or release the roller, and the movable seat can be driven by the second driving component to move in the horizontal direction to drive the clamps to enter or exit the storage cavity from the opening, and the lift plate can be driven by the third driving component to drive the clamps to close or open. The descending plate moves in the vertical direction, driving the clamping claw to rise and fall in the vertical direction, so that the sandpaper roll is transported to the storage cavity and placed on the support frame through the movement of the clamping claw, or the sandpaper roll is taken off the support frame and transported to the outside of the storage cavity. At the same time, the first driving component drives the storage box to rise and fall in the vertical direction so that the clamping claw can enter different storage cavities to carry out the sandpaper roll taking and placing operation, so as to put the sandpaper roll into each storage cavity of the storage box or take the sandpaper roll out. It solves the technical problem that the existing sandpaper roll storage rack is inconvenient to use, produces the technical effect of facilitating the storage and use of sandpaper rolls and avoiding the sandpaper rolls from falling from a high place during the taking and placing process, and is simple to operate and helps save manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural schematic diagram of a sandpaper roll storage device according to an embodiment of the present invention;

[0008] Figure 2 It is a partial structural schematic diagram of a sandpaper roll storage device according to an embodiment of the present invention;

[0009] Figure 3 It is a schematic structural diagram of a support frame in a sandpaper roll storage device according to an embodiment of the present invention;

[0010] Figure 4 It is a structural schematic diagram of a movable seat in a sandpaper roll storage device according to an embodiment of the present invention;

[0011] Figure 5 It is a structural schematic diagram of a movable seat in a sandpaper roll storage device according to an embodiment of the present invention from another perspective;

[0012] Figure 6 This is a schematic diagram of a sandpaper roll storage device installed on a foundation according to an embodiment of the present invention.

[0013] In the above drawings: 1, frame; 11, slide rail; 12, guide rail; 2, storage box; 21, storage cavity; 22, opening; 23, support frame; 24, lifting ring; 25, pulley; 26, bottom plate; 27, vertical plate; 28, placement slot; 3, first drive assembly; 31, electric hoist; 32, lifting cable; 33, hook; 4, movable seat; 41, threaded hole; 42, slider; 5, second drive assembly; 51, motor; 52, screw rod; 53, driving gear; 54, driven gear; 6, lifting Plate; 61, mounting frame; 62, transmission plate; 63, first transmission rod; 64, second transmission rod; 65, transmission pin; 66, guide rod; 7, third driving assembly; 71, first support rod; 72, second support rod; 73, first cylinder; 74, first piston rod; 8, clamping jaw; 81, first claw body; 82, second claw body; 9, fourth driving assembly; 91, second cylinder; 92, second piston rod; 93, movable block; 94, slide; 100, sandpaper roll; 101, roller; 102, foundation. DETAILED DESCRIPTION

[0014] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0015] like Figures 1 to 6 As shown, an embodiment of the present invention provides a sandpaper roll storage device, and the sandpaper roll storage device is used to store sandpaper rolls 100.

[0016] Please refer to Figure 1 , Figure 2 and Figure 6The sandpaper roll storage device includes a frame 1, on which a storage box 2 that can be lifted and lowered along the Z-axis direction and a first driving assembly 3 that is transmission-connected to the storage box 2 are provided. The first driving assembly 3 is used to drive the storage box 2 to move along the Z-axis direction on the frame 1, and the storage box 2 is provided with a plurality of storage cavities 21 at intervals along the Z-axis direction. One of the side surfaces of the storage box 2 in the X-axis direction has an opening 22 that is connected to the storage cavity 21, and the opening 22 is for the sandpaper roll 100 to enter and exit the storage cavity 21. A support frame 23 is provided in each storage cavity 21. The support frame 23 is used to support the roller 101 of the sandpaper roll 100 so that the position of the sandpaper roll 100 in the storage chamber 21 remains stable; the frame 1 is also provided with a movable seat 4 that can move along the X-axis direction and a second driving component 5 that is transmission-connected to the movable seat 4, the second driving component 5 drives the movable seat 4 to approach or move away from the opening 22, the movable seat 4 is provided with a lifting plate 6 that can be lifted and lowered along the Z-axis direction and a third driving component 7 that is transmission-connected to the lifting plate 6, the third driving component 7 is used to adjust the height of the lifting plate 6, and the lifting plate 6 is provided with a mounting frame 6 1 and the mounting frame 61 extends in the direction close to the opening 22, and one end of the mounting frame 61 close to the opening 22 is provided with two clamping claws 8 at intervals along the Y-axis direction, and the lifting plate 6 is provided with a fourth driving assembly 9 respectively connected to the two clamping claws 8, and the fourth driving assembly 9 drives the two clamping claws 8 to open or close synchronously, and the two clamping claws 8 clamp the two ends of the roller 101 respectively, so that the sandpaper roll 100 can be grasped by the clamping claws 8, and the second driving assembly 5 drives the movable seat 4 to move along the X-axis direction to drive the clamping claw 8 to extend into or withdraw from one of the storage cavities 21. When the third driving component 7 drives the lifting plate 6 to rise and fall along the Z-axis direction, the clamping jaw 8 rises and falls synchronously, so that the sandpaper roll 100 is moved under the drive of the clamping jaw 8, so as to transport the sandpaper roll 100 into the storage cavity 21 and place it on the support frame 23, or remove the sandpaper roll 100 from the support frame 23 and transport it outside the storage cavity 21. Moreover, by driving the storage box 2 to rise and fall along the Z-axis direction through the first driving component 3, the storage cavity 21 aligned with the clamping jaw 8 can be changed, so that the clamping jaw 8 can take and place the sandpaper roll 100 from different storage cavities 21.

[0017] Specifically, the working process of storing and taking out the sandpaper roll 100 of the sandpaper roll storage device provided in this embodiment is as follows: when the sandpaper roll 100 is put into the storage box 2, the sandpaper roll 100 is moved to the opened clamping jaw 8 by using a gantry crane, a forklift or other equipment, the fourth driving component 9 drives the clamping jaw 8 to close and clamp the end of the roller 101, and then the first driving component 3 drives the storage box 2 to rise and fall along the Z-axis direction so that one of the storage cavities 21 with space for storing the sandpaper roll 100 moves to a position aligned with the clamping jaw 8, and after the storage box 2 moves into place, the second driving component 5 drives the The movable seat 4 approaches the opening 22 along the X-axis direction so that the clamping jaw 8 and the sandpaper roll 100 enter the storage chamber 21 and reach the top of the placement frame, and then the third driving component 7 drives the lifting plate 6 to descend along the Z-axis direction until the two ends of the roller 101 are respectively placed on the support frame 23. At this time, the fourth driving component 9 drives the clamping jaw 8 to open and the third driving component 7 drives the lifting plate 6 to continue to descend along the Z-axis direction, and the clamping jaw 8 is separated from the roller 101. After the clamping jaw 8 is separated from the roller 101, the second driving component 5 drives the movable seat 4 to move along the X-axis direction and drives the clamping jaw 8 to move along the X-axis direction. The claw 8 withdraws from the storage cavity 21, and the sandpaper roll 100 is placed in the storage cavity 21. When the sandpaper roll 100 is taken out from the storage box 2, the first driving component 3 first drives the storage cavity 21 storing the sandpaper roll 100 to be taken out to move to a position aligned with the clamping claw 8. After the storage box 2 is moved into place, the second driving component 5 drives the movable seat 4 to approach the opening 22 along the X-axis direction so that the clamping claw 8 enters the storage cavity 21 and reaches the bottom of the sandpaper roll 100. Then, the third driving component 7 drives the lifting plate 6 to rise along the Z-axis direction until the clamping claw 8 moves to the position in contact with the roller 101. position, at this time, the fourth driving component 9 drives the clamping jaws 8 to close and clamp the roller 101, and after the clamping jaws 8 grab the roller 101, the third driving component 7 drives the lifting plate 6 to rise along the Z-axis direction until the roller 101 is separated from the support frame 23, and then the second driving component 5 drives the movable seat 4 to move along the X-axis direction and drives the clamping jaws 8 and the sandpaper roll 100 to exit the storage chamber 21, so that the sandpaper roll 100 can be taken out, and after taking it out, the fourth driving component 9 drives the clamping jaws 8 to open, and the sandpaper roll 100 can be taken off the clamping jaws 8 and transported to the target position using equipment such as a gantry crane and a forklift. The sandpaper roll storage device provided in this embodiment can conveniently store the sandpaper roll 100 in the storage box 2 or take it out from the storage cavity 21, and the sandpaper roll 100 can be placed on the support frame 23 after being placed in the storage box, thereby avoiding safety accidents caused by the sandpaper roll 100 falling from a high place during the process of taking and placing the sandpaper roll 100, and the sandpaper roll storage device is simple to operate and helps save manpower.

[0018] like Figure 1As shown, the first driving assembly 3 includes an electric hoist 31, the electric hoist 31 has a lifting steel cable 32, and the lifting steel cable 32 is connected to a hook 33, and the storage box 2 is provided with a lifting ring 24 that cooperates with the hook 33. The storage box 2 is suspended below the electric hoist 31 through the cooperation between the lifting ring 24 and the hook 33. The electric hoist 31 can drive the storage box 2 to move in the Z-axis direction by retracting and releasing the lifting steel cable 32, so as to adjust the position of the storage box 2.

[0019] In detail, the frame 1 is provided with a slide rail 11, the length direction of the slide rail 11 is parallel to the Z-axis direction, and the storage box 2 is provided with a pulley 25 that matches the slide rail 11. The slide rail 11 is provided on the frame 1, and the pulley 25 that matches the slide rail 11 is provided on the storage box 2. When the storage box 2 moves under the driving of the first driving member, the pulley 25 rolls in the slide rail 11 to prevent the storage box 2 from deviating from the preset direction when moving. The slide rails 11 are provided on opposite sides of the storage box 2, and the pulleys 25 are provided on both sides of the storage box 2 to match the corresponding slide rails 11 to prevent the sandpaper roll 100 from falling off the support frame 23 due to shaking during the movement of the storage box 2, which is conducive to improving the stability of the storage box 2 when moving.

[0020] like Figure 3 As shown, the support frame 23 includes a bottom plate 26 and two vertical plates 27 vertically arranged on the bottom plate 26, and the two vertical plates 27 are spaced apart along the Y-axis direction and the two vertical plates 27 are respectively provided with aligned placement grooves 28. The support frame 23 is composed of a bottom plate 26 and two vertical plates 27 vertically arranged on the bottom plate 26, and the vertical plates 27 are respectively provided with the placement grooves 28. When the sandpaper roll 100 is placed on the support frame 23, the two ends of the roller 101 are respectively placed in the aligned placement grooves 28 on the two vertical plates 27, so that the position of the sandpaper roll 100 on the support frame 23 remains stable, and the clamping jaw 8 extends into the area between the two vertical plates 27 when taking and placing the sandpaper roll 100 from the support frame 23, so as to avoid collision between the clamping jaw 8 and the support frame 23.

[0021] In this embodiment, three placement slots 28 are provided at intervals along the X-axis direction on each of the vertical plates 27, and the placement slots 28 on the two vertical plates 27 are arranged in pairs. Providing three placement slots 28 on the vertical plates 27 enables three sandpaper rolls 100 to be placed on the support frame 23 at the same time, thereby increasing the capacity of the storage box 2 and making full use of the space.

[0022] Please refer to Figure 1 and Figure 2The second driving assembly 5 includes a motor 51 and a screw rod 52. The screw rod 52 is rotatably arranged on the frame 1 and the axial direction of the screw rod 52 is parallel to the X-axis direction. The output end of the motor 51 is provided with a driving gear 53, and one end of the screw rod 52 is provided with a driven gear 54 meshing with the driving gear 53, and the movable seat 4 is provided with a threaded hole 41 that matches with the screw rod 52. When the motor 51 is started, the power output by the motor 51 can be transmitted to the screw rod 52 through the cooperation of the driving gear 53 and the driven gear 54, and the screw rod 52 can be driven to rotate. In the process of the rotation of the screw rod 52, the movable seat 4 is driven to move along the axis of the screw rod 52 through the cooperation of the screw rod 52 and the threaded hole 41, thereby driving the movable seat 4 to move in the X-axis direction, which is convenient for adjusting the position of the movable seat 4 and can improve the adjustment accuracy.

[0023] Specifically, the frame 1 is further provided with a guide rail 12, the length direction of the guide rail 12 is parallel to the X-axis direction, and the movable seat 4 is provided with a slider 42 that cooperates with the guide rail 12. The guide rail 12 provided on the frame 1 is used to guide the movable seat 4 to move on the frame 1, and the cooperation between the slider 42 and the guide rail 12 can reduce the friction between the movable seat 4 and the frame 1, so that the movable seat 4 moves more smoothly on the frame 1, and is conducive to improving the stability of the movable seat 4 when moving.

[0024] Please combine Figure 4 and Figure 5The third driving assembly 7 includes a first support rod 71 and a second support rod 72 that are rotatably connected. One end of the first support rod 71 is rotatably connected to the movable seat 4, and the other end can move along the X-axis direction on the lifting plate 6. One end of the second support rod 72 is rotatably connected to the lifting plate 6, and the other end can move along the X-axis direction on the movable seat 4. The third driving assembly 7 also includes a first cylinder 73 and a first piston rod 74 arranged at the output end of the first cylinder 73. The first cylinder 73 is rotatably connected to the movable seat 4, and the first piston rod 74 is rotatably connected to the first support rod 71. When the first piston rod 74 extends out of the first cylinder 73 driven by the first cylinder 73, the first piston rod 74 pushes the first support rod 71 to rotate relative to the movable seat 4, and the rotation of the first support rod 71 drives the second support rod 72 to rotate synchronously relative to the lifting plate 6. At the same time, one end of the first support rod 71 slides on the lifting plate 6, and one end of the second support rod 72 slides on the movable seat 4. At this time, as the first piston rod 74 gradually extends out of the first cylinder 73, the lifting plate 6 rises relative to the movable seat 4 along the Z-axis direction; when the first piston rod 74 retracts into the first cylinder 73 driven by the first cylinder 73, the first piston rod 74 pulls the first support rod 71 to rotate in the opposite direction relative to the movable seat 4. At this time, the second support rod 72 rotates in the opposite direction synchronously and the lifting plate 6 descends relative to the movable seat 4 along the Z-axis direction. That is, the height of the lifting plate 6 can be adjusted by driving the first cylinder 73 to drive the first piston rod 74 to move, which is convenient to operate and has good reliability.

[0025] like Figure 4 and Figure 5As shown, the clamping jaw 8 includes a first claw body 81 and a second claw body 82 which are respectively connected to the mounting frame 61 for rotation. The mounting frame 61 is also provided with a rotatable transmission plate 62, and the fourth driving assembly 9 is connected to the transmission plate 62 for transmission and drives the transmission plate 62 to reciprocate. The two ends of the transmission plate 62 are respectively connected to the first transmission rod 63 and the second transmission rod 64 for rotation. The end of the first transmission rod 63 away from the transmission plate 62 is connected to the first claw body 81 for rotation, and the end of the second transmission rod 64 away from the transmission plate 62 is connected to the second claw body 82 for rotation. The clamping jaw 8 includes a first claw body 81 and a second claw body 82. When the first claw body 81 and the second claw body 82 rotate synchronously and approach each other, the clamping jaw 8 closes to clamp the roller 101. When the first claw body 81 and the second claw body 82 rotate synchronously and move away from each other, the clamping jaw 8 opens to release the roller 101. A rotatable transmission plate 62 is also provided on the mounting frame 61. The two ends of the transmission plate 62 are respectively connected to the first claw body 81 and the second claw body 82 through the first transmission rod 63 and the second transmission rod 64. When the transmission plate 62 rotates under the drive of the fourth driving assembly 9, the first transmission rod 63 and the second transmission rod 64 respectively pull the first claw body 81 and the second claw body 82 to rotate as the transmission plate 62 rotates, and the first claw body 81 and the second claw body 82 rotate in opposite directions driven by the transmission plate 62, thereby opening or closing the clamping jaw 8.

[0026] In detail, the fourth driving assembly 9 includes a second cylinder 91, a second telescopic rod arranged at the output end of the second cylinder 91, and a movable block 93 connected to the second telescopic rod, the movable block 93 can be moved along the X-axis direction on the lifting plate 6, and two vertical slide grooves 94 are arranged on the movable block 93 along the Y-axis direction, and the transmission plate 62 is respectively provided with protruding transmission pins 65, and the two transmission pins 65 are respectively extended into the slide grooves 94 and abut against the inner walls of the slide grooves 94. When the second piston rod 92 extends out or retracts into the second cylinder 91 under the drive of the second cylinder 91, the second piston rod 92 pushes or pulls the movable block 93 to move along the X-axis direction on the lifting plate 6. During the movement of the movable block 93, the transmission pin 65 is pushed to move in the Z-axis direction in the slide groove 94. As the transmission pin 65 slides, the transmission plate 62 rotates and drives the first claw body 81 and the second claw body 82 to rotate synchronously. When the moving direction of the movable block 93 changes, the moving direction of the transmission pin 65 changes accordingly, causing the transmission plate 62 to rotate in the opposite direction and change the rotation direction of the first claw body 81 and the second claw body 82, so as to control the opening or closing of the clamping jaw 8, and the operation is simple.

[0027] like Figure 5As shown, the lifting plate 6 is provided with a guide rod 66, and the axial direction of the guide rod 66 is parallel to the X-axis direction, and the movable block 93 is provided with a guide hole matched with the guide rod 66. The guide rod 66 provided on the lifting plate 6 is used to limit the moving direction of the movable block 93, ensure that the movable block 93 moves along a preset direction and prevent the movable block 93 from deflecting when moving, ensure that the two clamping jaws 8 are driven by the movable block 93 to run synchronously, and prevent the two clamping jaws 8 from moving asynchronously, resulting in the sandpaper roll 100 being loosened on the clamping jaws 8.

[0028] Please refer to Figure 6 The sandpaper roll storage device provided in this embodiment is installed on the foundation 102, and the rear part of the frame 1 is located below the surface of the foundation 102, so that the storage box 2 can be lowered below the ground, so as to facilitate the sandpaper roll 100 to be taken out and placed from the storage cavity 21 located above the storage box 2, and the movable seat 4 is located on the surface of the foundation 102, so that when the clamp 8 takes out and places the sandpaper roll 100 from the storage cavity, the height of the sandpaper roll 100 and the ground is convenient for the transportation of the sandpaper roll 100.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A sandpaper roll storage device, characterized in that: The machine comprises a frame, on which is provided a storage box which can be lifted and lowered along the Z-axis direction and a first driving assembly which is transmission-connected to the storage box, on which are provided a plurality of storage cavities which are spaced apart along the Z-axis direction and one of the side surfaces of the storage box in the X-axis direction has an opening which is connected to the storage cavity, in which is provided a supporting frame, a movable seat which can be moved along the X-axis direction and a second driving assembly which is transmission-connected to the movable seat, the second driving assembly drives the movable seat to approach or move away from the opening, the movable seat is provided with a lifting plate which can be lifted and lowered along the Z-axis direction and a third driving assembly which is transmission-connected to the lifting plate, a mounting frame is provided on the lifting plate and the mounting frame extends in a direction close to the opening, two clamps are spaced apart along the Y-axis direction at one end of the mounting frame which is close to the opening, a fourth driving assembly which is transmission-connected to the two clamps respectively is provided on the lifting plate and the fourth driving assembly drives the two clamps to open or close synchronously.

2. A sandpaper roll storage device as claimed in claim 1, characterized in that: The first driving component comprises an electric hoist, the electric hoist has a lifting steel cable and a hook is connected to the lifting steel cable, and the storage box is provided with a lifting ring matched with the hook.

3. The sandpaper roll storage device according to claim 1, characterized in that: The frame is provided with a slide rail, the length direction of the slide rail is parallel to the Z-axis direction, and the storage box is provided with a pulley matched with the slide rail.

4. The sandpaper roll storage device according to claim 1, characterized in that: The support frame includes a bottom plate and two vertical plates vertically arranged on the bottom plate. The two vertical plates are spaced apart along the Y-axis direction and are respectively provided with aligned placement grooves.

5. A sandpaper roll storage device as claimed in claim 4, characterized in that: A plurality of placement grooves are arranged at intervals on each of the vertical plates along the X-axis direction, and the placement grooves on the two vertical plates are arranged in pairs.

6. The sandpaper roll storage device according to claim 1, characterized in that: The second driving assembly includes a motor and a screw rod, the screw rod is rotatably arranged on the frame and the axial direction of the screw rod is parallel to the X-axis direction, a driving gear is provided at the output end of the motor, a driven gear meshing with the driving gear is provided at one end of the screw rod, and a threaded hole matching with the screw rod is provided on the movable seat.

7. The sandpaper roll storage device according to claim 1, characterized in that: The third driving assembly includes a first support rod and a second support rod that are rotatably connected, one of the opposite ends of the first support rod is rotatably connected to the movable seat, and the other end can be moved along the X-axis direction on the lifting plate, one of the opposite ends of the second support rod is rotatably connected to the lifting plate, and the other end can be moved along the X-axis direction on the movable seat, the third driving assembly also includes a first cylinder and a first piston rod arranged at the output end of the first cylinder, the first cylinder is rotatably connected to the movable seat, and the first piston rod is rotatably connected to the first support rod.

8. The sandpaper roll storage device according to claim 1, characterized in that: The clamp includes a first claw body and a second claw body respectively connected to the mounting frame for rotation, the mounting frame is also provided with a rotatable transmission plate, and the fourth driving assembly is transmission-connected to the transmission plate and drives the transmission plate to reciprocate, the two ends of the transmission plate are respectively rotationally connected to the first transmission rod and the second transmission rod, the end of the first transmission rod away from the transmission plate is rotationally connected to the first claw body, and the end of the second transmission rod away from the transmission plate is rotationally connected to the second claw body.

9. A sandpaper roll storage device as claimed in claim 8, characterized in that: The fourth driving assembly includes a second cylinder, a second telescopic rod arranged at the output end of the second cylinder, and a movable block connected to the second telescopic rod, the movable block can move along the X-axis direction on the lifting plate, and two vertical slide grooves are arranged on the movable block at intervals along the Y-axis direction, and protruding transmission pins are respectively provided on the transmission plate, and the two transmission pins respectively extend into the slide grooves and abut against the inner walls of the slide grooves.

10. The sandpaper roll storage device according to claim 9, characterized in that: The lifting plate is provided with a guide rod, and the axial direction of the guide rod is parallel to the X-axis direction. The movable block is provided with a guide hole matched with the guide rod.

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