Feeding device of wet tissue cutting machine

Abstract

The feeding device of the wet tissue cutting machine comprises a rack and a feeding roller, the rack is connected with two bearing blocks, the two bearing blocks make contact with the two ends of the feeding roller correspondingly, the bearing blocks are connected with a moving assembly, the moving assembly is used for driving the bearing blocks to move in the vertical direction, the rack is connected with a first motor, and the first motor is connected with the feeding roller. The first motor is detachably connected with one end of the feeding roller through a connecting piece. The feeding roller is placed on the bearing blocks, the two ends of the feeding roller are placed on the tops of the two bearing blocks correspondingly, the moving assembly drives the bearing blocks to move in the vertical direction, the feeding roller is made to be close to the first motor, the feeding roller and the first motor are connected through the connecting piece, and therefore the feeding roller can be conveniently installed, and the labor cost consumed when the feeding roller is installed is reduced.

Description

Technical Field

[0001] This application relates to the field of wet wipe production equipment, and more particularly to a feeding device for a wet wipe cutting machine. Background Technology

[0002] The production and processing of wet wipes typically involves two important steps: cutting and folding. Cutting involves cutting continuous wet wipe material to predetermined dimensions, while folding involves neatly stacking the cut wet wipes to meet subsequent packaging requirements. This process of cutting before folding is widely used in wet wipe manufacturing, not only improving production efficiency but also ensuring the consistency of wet wipe product specifications, laying the foundation for the large-scale production of modern household goods. Wet wipes are usually cut using a cutting machine.

[0003] Chinese Patent CN213772689U discloses a barrel-type wet wipe cutting machine. The wet wipe fabric passes sequentially through a first guide roller, a cutting cylinder, a second guide roller, a third guide roller, and a fourth guide roller. Cutting shears and a cutting groove cut the wet wipe fabric, improving practicality. The machine includes a cutting box, a first guide roller, a first rotating shaft, a cutting cylinder, a second rotating shaft, a cutting groove, cutting shears, a third rotating shaft, a second guide roller, a fourth rotating shaft, a third guide roller, a fifth rotating shaft, a fourth guide roller, a sixth rotating shaft, and a feeding device. The first guide roller is rotatably mounted inside the cutting box via the first rotating shaft. The cutting cylinder is rotatably mounted inside the cutting box via the second rotating shaft and has a cutting groove. The cutting shears are rotatably mounted inside the cutting box via the third rotating shaft and are aligned with the cutting groove. The second guide roller is rotatably mounted inside the cutting box via the fourth rotating shaft, and the third guide roller is rotatably mounted inside the cutting box via the fifth rotating shaft.

[0004] Regarding the aforementioned technologies, existing feeding roller feeding methods typically rely on manual operation. Especially when frequently changing or adjusting the feeding rollers, traditional fixing methods require a significant amount of manpower and time, increasing labor costs in the production process. Utility Model Content

[0005] To make feeding the feed rollers more convenient and reduce labor costs, this application provides a feeding device for a wet wipe cutting machine.

[0006] The feeding device for a wet wipe cutting machine provided in this application adopts the following technical solution:

[0007] A feeding device for a wet wipe cutting machine includes a frame and a feeding roller. The feeding roller is rotatably connected to the frame. The frame is connected to a support block. Two support blocks are provided and are spaced apart along the length of the feeding roller. The two support blocks are respectively in contact with both ends of the feeding roller. A moving component is connected to the support block. The moving component is used to drive the support block to move in a vertical direction. A first motor is connected to the frame. The first motor is detachably connected to one end of the feeding roller through a connector. The first motor is located above the support block.

[0008] By adopting the above technical solution, when in use, the feed roller is placed on the support block, so that the two ends of the feed roller are respectively placed on the top of the two support blocks. The moving component drives the support block to move in the vertical direction, so that the feed roller is close to the first motor. The feed roller and the first motor are connected by the connector, which facilitates the installation of the feed roller and reduces the labor cost consumed when installing the feed roller.

[0009] Optionally, the frame has a lifting groove, the length direction of which is consistent with the vertical direction. The moving component includes a lead screw, a second motor, and a slider. The length direction of the lead screw is consistent with the vertical direction and the lead screw is rotatably connected in the lifting groove. The second motor is connected to the frame, and the output shaft of the second motor is connected to one end of the lead screw. The slider is threaded onto the lead screw and is slidably connected in the lifting groove along the vertical direction. The bearing block is connected to the slider.

[0010] By adopting the above technical solution, when the feed roller is placed on top of the support block, the second motor drives the lead screw to rotate and drives the slider to slide vertically and connect to the lifting groove, so that the support block moves with the slider and drives the feed roller to approach the first motor, thereby facilitating the installation of the feed roller and reducing the labor cost consumed when feeding the feed roller.

[0011] Optionally, the frame is connected to a support ring, and there are two support rings. The two support rings are spaced apart along the length of the feed roller. One side of the support ring has a connection port for the feed roller to be inserted. The support ring is located above the bearing block. The frame is connected to a rotating assembly, which is used to drive the support ring to rotate. The inner walls of the two support rings are respectively in contact with the two ends of the feed roller. When the feed roller is connected to the first motor, the feed roller is located inside the support ring.

[0012] By adopting the above technical solution, when installing the feed roller, the connection port is set towards the support block, the electric feed roller is placed above the support block, the moving component drives the support block to move vertically, the support block drives the feed roller to move vertically, thereby driving the feed roller closer to the support ring, the feed roller is embedded into the support ring through the connection port, when the feed roller is embedded into the support ring, the rotating component drives the support ring to rotate, so that the support ring carries the feed roller, and the moving component drives the support block to move downward vertically, so that the support block moves away from the feed roller, when the first motor drives the feed roller to rotate, the support ring supports the feed roller, so that the feed roller is stably set on the frame.

[0013] Optionally, a rotating rod is connected to the support ring. The length direction of the rotating rod is consistent with the length direction of the feed roller. One end of the rotating rod is connected to the support ring along its length direction, and the other end of the rotating rod is rotatably connected to the frame. The central axis of the support ring is collinear with the central axis of the rotating rod. The rotating assembly includes a first gear, a second gear, and a third motor. The first gear is fitted onto the rotating rod, and the central axis of the rotating rod is collinear with the central axis of the first gear. The third motor is connected to the frame, and the second gear is connected to the output shaft of the third motor. The second gear meshes with the first gear.

[0014] By adopting the above technical solution, when the feed roller is installed, the connection port is set towards the bearing block. The third motor drives the second gear to rotate, the second gear drives the first gear to rotate, and the rotating rod follows the first gear to rotate, thereby driving the support ring to rotate, so that the support ring contacts the bottom of the feed roller, thereby supporting the feed roller and improving the stability of the feed roller placement.

[0015] Optionally, the connecting component is a telescopic rod, the length direction of which is consistent with the length direction of the feed roller. The telescopic rod is telescopically extended along its length direction. One end of the telescopic rod along its length direction is connected to the output shaft of the first motor, and the other end of the telescopic rod passes through the rotating rod along its length direction. The central axis of the rotating rod is collinear with the central axis of the telescopic rod. The telescopic rod is rotatably connected inside the rotating rod. An insert block is connected to the end of the telescopic rod away from the first motor. The insert block is a rectangular block. The feed roller has a slot along its length direction and near the end of the telescopic rod for the insert block to be inserted. When the feed roller rotates, the insert block is inserted into the slot.

[0016] By adopting the above technical solution, when the support ring supports the feed roller, the telescopic rod extends and drives the insert block to embed into the slot. This allows the feed roller to rotate with the telescopic rod when the first motor rotates. When the feed roller is disassembled, the telescopic rod shortens, causing the insert block to move away from the slot, thus facilitating the disassembly of the feed roller and making the disassembly and assembly of the feed roller more convenient.

[0017] Optionally, the telescopic rod includes a support rod, a sleeve rod, and a driving component. The length direction of the support rod is consistent with the length direction of the feed roller. The sleeve rod is slidably sleeved on the support rod, and the central axis of the sleeve rod is consistent with the length direction of the support rod. The insert block is connected to the end of the sleeve rod away from the support rod. The driving component is connected to the frame and is used to drive the sleeve rod to slide along the length direction of the support rod.

[0018] By adopting the above technical solution, when installing the feed roller, the driving component drives the sleeve rod to move along the length of the sleeve rod, so that the sleeve rod slides on the support rod. The sleeve rod drives the insert block to approach the feed roller and drives the insert block to embed into the slot, thereby connecting the feed roller with the first motor, so that the first motor can drive the feed roller to rotate.

[0019] Optionally, the top of the support block is provided with an arc-shaped groove, and when the support block moves the feed roller, the feed roller contacts the inner wall of the arc-shaped groove.

[0020] By adopting the above technical solution and adding an arc-shaped groove, the feed roller is embedded in the arc-shaped groove when it is placed on top of the support block. This ensures that when the moving component moves the support block and the feed roller, the feed roller is stably placed on the support block, minimizing the possibility of the feed roller falling off the support block.

[0021] Optionally, the support block is rotatably connected to the slider, and the slider is hinged to a first cylinder, the piston rod of the first cylinder being hinged to the support block.

[0022] By adopting the above technical solution, when the feed roller is feeding, the first cylinder rotates the bearing block, causing the bearing block to rotate so that the opening of the arc groove faces away from the cutting machine body. This makes it easier for the operator to move the feed roller, further reducing the labor cost consumed during the installation of the feed roller, and allowing the feed roller to be embedded in the arc groove. After the feed roller is embedded in the arc groove, the first cylinder drives the bearing block to rotate, so that the opening of the arc groove faces the support ring.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. In use, place the feed roller on the support block so that the two ends of the feed roller are placed on the top of the two support blocks respectively. The moving component drives the support block to move vertically, so that the feed roller is close to the first motor. The feed roller is connected to the first motor through the connector, which facilitates the installation of the feed roller and reduces the labor cost consumed when installing the feed roller.

[0025] 2. When the feed roller is placed on top of the support block, the second motor drives the lead screw to rotate and drives the slider to slide vertically and connect to the lifting groove, so that the support block moves with the slider and drives the feed roller to approach the first motor, thereby facilitating the installation of the feed roller and reducing the labor cost consumed when feeding the feed roller.

[0026] 3. After the support ring supports the feed roller, the telescopic rod extends and drives the insert block to embed into the slot. This causes the feed roller to rotate with the telescopic rod when the first motor rotates. When the feed roller is disassembled, the telescopic rod shortens, causing the insert block to move away from the slot, thus facilitating the disassembly of the feed roller and making the disassembly and assembly of the feed roller more convenient. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural diagram of this embodiment.

[0028] Figure 2 This is a top view of this embodiment.

[0029] Figure 3 This is the embodiment. Figure 2 Sectional view along the AA direction.

[0030] Figure 4 This is the embodiment. Figure 2 Sectional view along the BB direction.

[0031] Figure 5 This is the embodiment. Figure 2 A cross-sectional view along the CC direction.

[0032] Explanation of reference numerals in the attached drawings: 100, frame; 110, first motor; 120, lifting groove; 130, disc; 131, support ring; 132, connection port; 133, rotating rod; 200, feed roller; 210, slot; 300, bearing block; 310, arc groove; 320, fixed rod; 400, moving assembly; 410, lead screw; 420, second motor; 430, slider; 440, moving block; 441, first cylinder; 500, rotating assembly; 510, first gear; 520, second gear; 530, third motor; 600, telescopic rod; 610, support rod; 620, sleeve rod; 621, insert block; 630, second cylinder; 631, mounting rod. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0034] This application discloses a feeding device for a wet wipe cutting machine. (Refer to...) Figure 1 and Figure 2A feeding device for a wet wipe cutting machine includes a frame 100 and a feeding roller 200. The frame 100 is located at the feeding end of the cutting machine body. The length direction of the feeding roller 200 is consistent with the width direction of the wet wipe, and both ends of the feeding roller 200 are rotatably connected to the frame 100 along its length direction. A first motor 110 is connected to the frame 100. The first motor 110 is used to drive the feeding roller 200 to rotate, and the output shaft of the first motor 110 is detachably connected to one end of the feeding roller 200.

[0035] Reference Figure 1 and Figure 3 The frame 100 is connected to two support blocks 300, which are spaced apart along the length of the feed roller 200. Each support block 300 is equipped with a moving component 400, which is connected to the frame 100 and is used to move the support block 300 vertically. When the feed roller 200 is installed, both ends of the feed roller 200 contact the two support blocks 300 respectively along its length. The moving components 400 move the support blocks 300, thereby moving the feed roller 200, bringing the feed roller 200 closer to the first motor 110. This facilitates the connection between the output shaft of the first motor 110 and the feed roller 200, making feeding easier and reducing labor costs.

[0036] Reference Figure 2 and Figure 3 The top of the support block 300 is provided with an arc-shaped groove 310, which is open at both ends along the length of the feed roller 200. The frame 100 is provided with two lifting grooves 120, the length of which is consistent with the vertical direction, and each lifting groove 120 corresponds to a moving component 400.

[0037] Reference Figure 2 and Figure 4 The moving component 400 includes a lead screw 410, a second motor 420, and a slider 430. The lead screw 410 has its length direction aligned with the vertical direction. Both ends of the lead screw 410 are rotatably connected to the corresponding inner walls of the lifting groove 120. The second motor 420 is connected to the top of the frame 100. The output shaft of the second motor 420 passes vertically downward through the top inner wall of the lifting groove 120 and is connected to the top of the lead screw 410. The slider 430 has its length direction aligned with the length direction of the feed roller 200. One end of the slider 430 is threaded onto the lead screw 410, and the slider 430 is slidably connected to the lifting groove 120 in the vertical direction. The other end of the slider 430 is connected to a moving block 440. The length direction of the moving block 440 is aligned with the width direction of the feed roller 200. One end of the moving block 440 is connected to the slider 430, and the other end of the moving block 440 is connected to the bearing block 300.

[0038] Reference Figure 2 and Figure 3 The top of the support block 300 is rotatably connected to the movable block 440. The movable block 440 is connected to the first cylinder 441, and the cylinder body of the first cylinder 441 is hinged to the top of the movable block 440. The top of the support block 300 is connected to the fixed rod 320, and the piston rod of the first cylinder 441 is hinged to the fixed rod 320. The second motor 420 drives the lead screw 410 to rotate, so that the slider 430 slides vertically and is connected to the lifting groove 120. This drives the movable block 440 and the support block 300 to move, thereby driving the feed roller 200 closer to the first motor 110, which facilitates the installation of the feed roller 200.

[0039] Reference Figure 1 and Figure 5 The frame 100 is connected to two discs 130, which are spaced apart along the length of the feed roller 200. The discs 130 are located on opposite sides of the feed roller 200. A support ring 131 is connected to one end of each disc 130 near the feed roller 200, and the central axis of the support ring 131 is collinear with the central axis of the disc 130. The support ring 131 is positioned diagonally above the bearing blocks 300, and the two bearing blocks 300 are positioned between the two support rings 131. A connection port 132 for the feed roller 200 to be inserted is provided on one side of the support ring 131. In use, the feed roller 200 contacts the two discs 130 at both ends along its length.

[0040] Reference Figure 1 and Figure 5 A rotating rod 133 is connected to one end of the disc 130 away from the support ring 131. The central axis of the rotating rod 133 is collinear with the central axis of the disc 130. The length direction of the rotating rod 133 is consistent with the length direction of the feed roller 200. One end of the rotating rod 133 is connected to the disc 130 along its length direction, and the other end of the rotating rod 133 passes through the frame 100 along its length direction. The rotating rod 133 is rotatably connected to the frame 100.

[0041] Reference Figure 1 and Figure 5 A rotating rod 133 is connected to a rotating assembly 500, which includes a first gear 510, a second gear 520, and a third motor 530. The first gear 510 is sleeved on the rotating rod 133, and the central axis of the rotating rod 133 is collinear with the central axis of the first gear 510. The third motor 530 is connected to the frame 100, and the second gear 520 is sleeved on the output shaft of the third motor 530, with the central axis of the second gear 520 collinear with the central axis of the output shaft of the third motor 530. The second gear 520 meshes with the first gear 510.

[0042] When the feed roller 200 is feeding, the connection port 132 is set downwards. The moving component 400 drives the feed roller 200 to move upwards and drives the feed roller 200 to embed into the support ring 131. Then, the third motor 530 drives the second gear 520 to rotate, the second gear 520 drives the first gear 510 to rotate, and the rotating rod 133 follows the first gear 510 to rotate, driving the support ring 131 to rotate, so that the connection port 132 is set upwards, and the support ring 131 supports the feed roller 200, thereby making the feed roller 200 stably set.

[0043] Reference Figure 1 and Figure 5 The first motor 110 is connected to a connector, which connects the first motor 110 to the feed roller 200. The connector is a telescopic rod 600, the length of which is aligned with the length of the feed roller 200, and the telescopic rod 600 extends and retracts along its length. One end of the telescopic rod 600 is connected to the output shaft of the first motor 110, and the central axis of the output shaft of the first motor 110 is collinear with the central axis of the telescopic rod 600. The other end of the telescopic rod 600 passes through a rotating rod 133 and a disc 130 along its length, and the rotating rod 133 is rotatably fitted onto the telescopic rod 600, the central axis of which is collinear with the central axis of the telescopic rod 600.

[0044] Reference Figure 1 and Figure 5 The telescopic rod 600 includes a support rod 610, a sleeve rod 620, and a driving component. The length direction of the support rod 610 is consistent with the length direction of the feed roller 200, and the length direction of the sleeve rod 620 is consistent with the length direction of the support rod 610. One end of the support rod 610 along its length direction is connected to the output shaft of the first motor 110, and one end of the sleeve rod 620 along its length direction is slidably sleeved on the end of the support rod 610 away from the first motor 110. The central axis of the sleeve rod 620 is consistent with the length direction of the support rod 610. The driving component is a second cylinder 630. The cylinder body of the second cylinder 630 is connected to the frame 100. The length direction of the second cylinder 630 is consistent with the length direction of the feed roller 200. The piston rod of the second cylinder 630 is connected to a mounting rod 631. The length direction of the mounting rod 631 is consistent with the vertical direction, and the end of the mounting rod 631 away from the second cylinder 630 is rotatably connected to the periphery of the sleeve rod 620.

[0045] Reference Figure 5A rectangular block 621 is connected to the end of the sleeve rod 620 away from the support rod 610. A slot 210, a rectangular groove, is formed along the length of the feed roller 200 near the end of the sleeve rod 620. When the feed roller 200 rotates, the insert 621 is embedded in the slot 210. After the feed roller 200 is positioned within the support ring 131, the second cylinder 630 drives the sleeve rod 620 to move along its length, thereby causing the insert 621 to embed into the slot 210. This causes the feed roller 200 to rotate along with the telescopic rod 600 when the first motor 110 drives the telescopic rod 600 to rotate.

[0046] The implementation principle of the feeding device of a wet wipe cutting machine according to an embodiment of this application is as follows: When the feeding roller 200 is installed, the opening of the arc-shaped groove 310 is set to face away from the side of the cutting machine body, so as to facilitate the feeding roller 200 entering the arc-shaped groove 310. After the feeding roller 200 enters the arc-shaped groove 310, the first cylinder 441 drives the bearing block 300 to rotate, so that the opening of the arc-shaped groove 310 is set upward. The second motor 420 drives the lead screw 410 to rotate, thereby driving the slider 430 to move upward in the vertical direction. The bearing block 300 and the feeding roller 200 follow the slider 430 to move, so that the feeding roller 200 is embedded in the support ring 131.

[0047] After the feed roller 200 is embedded in the support ring 131, the third motor 530 drives the second gear 520 to rotate, which in turn drives the first gear 510 to rotate. The disc 130 and the support ring 131 rotate with the first gear 510, thereby enabling the support ring 131 to support the feed roller 200. The second cylinder 630 drives the telescopic rod 600 to extend, causing the insert 621 to embed into the slot 210, thus facilitating the first motor 110 to drive the feed roller 200 to rotate. This makes feeding more convenient and reduces the labor costs required when feeding the feed roller 200.

[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A feeding device of a wet wipe cutting machine, comprising a frame (100) and a feeding roller (200), the feeding roller (200) being rotatably connected to the frame (100), characterized in that: The rack (100) is connected with the bearing block (300), the bearing block (300) is equipped with two, two bearing blocks (300) are spaced along the length direction of the feeding roller (200), two bearing blocks (300) are in contact with the two ends of the feeding roller (200) respectively, the bearing block (300) is connected with the moving assembly (400), the moving assembly (400) is used to drive the bearing block (300) to move along the vertical direction, the rack (100) is connected with the first motor (110), the first motor (110) is detachably connected with one end of the feeding roller (200) through the connecting piece, and the first motor (110) is arranged above the bearing block (300).

2. The feed device of a wet wipe cutting machine according to claim 1, characterized in that: The rack (100) is provided with a lifting groove (120), the length direction of the lifting groove (120) is consistent with the vertical direction, the moving assembly (400) comprises a lead screw (410), a second motor (420) and a sliding block (430), the length direction of the lead screw (410) is consistent with the vertical direction, the lead screw (410) is rotatably connected in the lifting groove (120), the second motor (420) is connected to the rack (100), the output shaft of the second motor (420) is connected to one end of the lead screw (410), the sliding block (430) is threadedly sleeved on the lead screw (410), and the sliding block (430) is slidably connected in the lifting groove (120) along the vertical direction, and the bearing block (300) is connected to the sliding block (430).

3. The feeding device of a wet wipe cutting machine according to claim 1, characterized in that: The rack (100) is connected with the support ring (131), the support ring (131) is equipped with two, two support rings (131) are spaced along the length direction of the feeding roller (200), one side of the support ring (131) is provided with a connecting port (132) for embedding the feeding roller (200), and the support ring (131) is arranged above the bearing block (300). The rack (100) is connected with the rotating assembly (500), the rotating assembly (500) is used for driving the support ring (131) to rotate, the inner walls of two support rings (131) are in contact with the two ends of the feeding roller (200) respectively, when the feeding roller (200) is connected with the first motor (110), the feeding roller (200) is arranged in the support ring (131).

4. The feed device of a wet wipe cutting machine according to claim 3, characterized in that: The support ring (131) is connected with a rotating rod (133), the length direction of the rotating rod (133) is consistent with the length direction of the feeding roller (200), one end of the rotating rod (133) is connected to the support ring (131) along the length direction, the other end of the rotating rod (133) is rotatably connected to the rack (100), the central axis of the support ring (131) is collinear with the central axis of the rotating rod (133), the rotating assembly (500) comprises a first gear (510), a second gear (520) and a third motor (530), the first gear (510) is sleeved on the rotating rod (133), the central axis of the rotating rod (133) is collinear with the central axis of the first gear (510), the third motor (530) is connected to the rack (100), the second gear (520) is connected to the output shaft of the third motor (530), and the second gear (520) is engaged with the first gear (510).

5. The feed apparatus of a wet wipe cutting machine according to claim 4, wherein: The connecting piece is a telescopic rod (600), the length direction of the telescopic rod (600) is consistent with the length direction of the feeding roller (200), the telescopic rod (600) is telescopically arranged along the length direction, one end of the telescopic rod (600) is connected to the output shaft of the first motor (110) along the length direction, the other end of the telescopic rod (600) passes through the rotating rod (133) along the length direction, the central axis of the telescopic rod (600) is collinear with the central axis of the rotating rod (133), the telescopic rod (600) is rotatably connected in the rotating rod (133), and the end of the telescopic rod (600) away from the first motor (110) is connected with a plug block (621), the plug block (621) is a rectangular block, and the feeding roller (200) is provided with a plug groove (210) for embedding the plug block (621) at one end thereof along the length direction and close to the telescopic rod (600), when the feeding roller (200) rotates, the plug block (621) is embedded in the plug groove (210).

6. A feed arrangement for a wet wipe slitting machine according to claim 5, wherein: The telescopic rod (600) comprises a support rod (610), a sleeve rod (620) and a driving piece, the length direction of the support rod (610) is consistent with the length direction of the feeding roller (200), the sleeve rod (620) is telescopically arranged on the support rod (610), the central axis of the sleeve rod (620) is consistent with the length direction of the support rod (610), the plug block (621) is connected to the end of the sleeve rod (620) away from the support rod (610), and the driving piece is connected to the rack (100) and used to drive the sleeve rod (620) to slide along the length direction of the support rod (610).

7. The feed device of a wet wipe cutting machine according to claim 2, characterized in that: The top of the bearing block (300) is provided with an arc-shaped groove (310), when the bearing block (300) carries the feeding roller (200), the feeding roller (200) is in contact with the inner wall of the arc-shaped groove (310).

8. The feed device of a wet wipe cutting machine according to claim 7, characterized in that: The bearing block (300) is rotatably connected to a sliding block (430), the sliding block (430) is hingedly connected with a first air cylinder (441), and the piston rod of the first air cylinder (441) is hingedly connected to the bearing block (300).

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