Paper tube polishing and notching integrated device

Abstract

The invention relates to the technical field of paper tube production, in particular to a paper tube polishing and notching integrated device which comprises a base, a first air cylinder and a second air cylinder are arranged in the base, and a polishing clamping assembly and a notching clamping assembly are arranged at the output end of the first air cylinder and the output end of the second air cylinder correspondingly. The transmission belt assemblies are arranged on the two sides of the polishing clamping assembly and the notching clamping assembly, the polishing assemblies are arranged on the two sides of the polishing clamping assembly, and the positioning assembly and the notching assembly are arranged on the two sides of the notching clamping assembly. The device is arranged at the tail end of a paper tube production line and used for polishing and notching of the paper tube, the use requirement that a notch is formed in the end of the paper tube for spinning and used for winding thread residues is met, compared with an existing paper tube punching device, the device utilizes the stepping motor to adjust and change the stress position of the core mold, the utilization rate of the core mold is increased, and in addition, the device is high in automation degree and high in efficiency. The efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of paper tube production, and in particular to an integrated device for grinding and punching a paper tube. Background Art

[0002] Paper tubes are tubular objects made from paper. They are popular for their low cost and recyclability. They are widely used in chemical fiber, film, papermaking and other fields. One of the main uses of paper tubes is as the core shaft of textile yarn for winding and finishing the yarn.

[0003] When used as a core shaft for textile yarn, a notch is usually required at the end of the paper tube to hold the yarn ends for easy arrangement and use. This has been added to the production process as a common demand. In the production of such paper tubes, a punching process at the end of the paper tube needs to be added. The Chinese patent "Paper Tube Punching Machine" with announcement number CN200939713Y and the Chinese patent "Automatic Feeding Punching Machine" with announcement number CN207533813U disclose punching devices for tubular profiles such as paper tubes and pipes. These two technical solutions are through the tubular profile being sleeved on the core mold and then using the punch mechanism to perform the punching operation from the outside or inside of the profile. However, it is worth considering that, on the one hand, the core mold of this type of punching device is fixed, and the force position is fixed during punching. When the core mold is damaged due to impact and replaced, it will be found that the utilization rate of the core mold is not high. On the other hand, this type of punching device has a single function and is not effectively combined with other production processes in the paper tube production process, and has certain limitations.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of this, the purpose of the present invention is to propose an integrated device for grinding and punching paper tubes to solve the problems of single function of existing devices and low utilization rate of fixed position of punching core mold.

[0006] Based on the above-mentioned purpose, the present invention provides an integrated device for grinding and punching paper tubes, including a base, a left fixing frame and a right fixing frame are fixedly connected to the top of the base, a crossbeam is fixedly connected between the tops of the left fixing frame and the right fixing frame, a first cylinder and a second cylinder are vertically arranged inside the base, a grinding clamping assembly is fixedly connected to the output end of the top of the first cylinder, the grinding clamping assembly is arranged between the left fixing frame and the right fixing frame, a punching clamping assembly is fixedly connected to the output end of the top of the second cylinder, the punching clamping assembly is arranged between the left fixing frame and the right fixing frame, conveyor belt assemblies are arranged between the left fixing frame and the right fixing frame on both sides of the grinding clamping assembly and the punching clamping assembly, grinding assemblies are arranged on both sides of the grinding clamping assembly away from the transmission belt assembly, positioning assemblies are arranged on both sides of the punching clamping assembly away from the transmission belt assembly, and a punching assembly is arranged on the top of the left fixed frame.

[0007] Furthermore, the grinding and clamping assembly includes a first lower clamping plate arranged at the output end of the top of the first cylinder, a first upper clamping plate is arranged directly above the first lower clamping plate, the first lower clamping plate and the first upper clamping plate are both arc-shaped, two first screw rods are fixedly connected to the top of the first upper clamping plate, the first screw rod passes through and is slidably connected to the first short beam, the first short beam is fixedly connected to the middle part of the cross beam, and the outer part of the first screw rod is provided with two first nuts matching the first screw rod thread, and the two adjacent first nuts are respectively in contact with the top and bottom of the first short beam.

[0008] Furthermore, the punching clamping assembly includes a second lower clamping plate arranged at the output end of the top of the second cylinder, a second upper clamping plate is arranged directly above the second lower clamping plate, the second lower clamping plate is in an arc shape, the second upper clamping plate is in a flat plate shape, two second screw rods are fixedly connected to the top of the second upper clamping plate, the second screw rod passes through and is slidably connected to the second short beam, the second short beam is fixedly connected to the middle part of the cross beam, and the outer part of the second screw rod is provided with two second nuts matching the second screw rod thread, and the two adjacent second nuts are respectively in contact with the top and bottom of the second short beam.

[0009] Furthermore, the conveyor belt assembly includes two guide rails arranged on both sides of the first lower clamp plate and the second lower clamp plate, and at least three equidistantly distributed arc-shaped notches are opened on the guide rails, and the spacing between adjacent arc-shaped notches is equal to the spacing between the first lower clamp plate and the second lower clamp plate. A first slide rail is slidably connected below the guide rail, and a connecting rod is fixedly connected between the ends of the two guide rails. A third cylinder is arranged on the outside of the connecting rod away from the first lower clamp plate, and the output end of the third cylinder is fixedly connected to the middle of the connecting rod.

[0010] Furthermore, the grinding assembly includes two electric grinding wheels arranged on the outside of the two guide rails, the axis of the electric grinding wheel and the center of the arc-shaped first upper clamping plate are at the same height, and a fourth cylinder is arranged on the side of the electric grinding wheel away from the guide rails, and the output end of the fourth cylinder is threadedly connected to the axis of the electric grinding wheel.

[0011] Furthermore, the electric grinding wheel includes a built-in motor, an output end of the built-in motor is connected to a sanding disc, a shell is arranged outside the sanding disc, and grooves and ventilation holes are arranged on the surface of the shell.

[0012] Furthermore, the positioning assembly includes a pushing assembly arranged on the right side of the guide rail and a washer assembly arranged on the left side of the guide rail, the pushing assembly includes a core shaft, the center of the core shaft is at the same height as the center of the arc-shaped second upper clamping plate, a fifth cylinder is arranged on the right side of the core shaft, the output end of the fifth cylinder is threadedly connected to the axis of the core shaft, the surface of the core shaft is sandblasted, a baffle is arranged on the side of the right fixed frame close to the guide rail, and a hole is provided on the baffle for the extension and retraction of the core shaft, the washer assembly includes a stepper motor, the output end of the stepper motor is fixedly connected to a rotating shaft, the axis of the rotating shaft is at the same height as the center of the arc-shaped second upper clamping plate, a locking disk is threadedly connected to the end of the rotating shaft, a nylon washer is sleeved on the rotating shaft adjacent to the locking disk, and a limiting disk is fixedly connected to the rotating shaft adjacent to the nylon washer.

[0013] Furthermore, the punching assembly includes a second slide rail fixedly connected to the left fixed frame near the guide rail side, the second slide rail is slidably connected to a slider near the guide rail side, a sixth cylinder is arranged above the slider, the output end of the sixth cylinder is fixedly connected to the top of the slider, a punching tool is fixedly connected to the bottom of the slider, and the punching tool is arranged directly above the nylon washer.

[0014] Furthermore, a travel switch is arranged on one side of the punching assembly, and the travel switch includes a joystick, which is arranged below the slider. An L-shaped bracket is fixedly connected to the side of the travel switch, and a third screw rod is penetrated and slidably connected to the horizontal end of the L-shaped bracket. Two third nuts matching the threads of the third screw rod are arranged on the outside of the third screw rod, and two adjacent third nuts are respectively in contact with the top and bottom of the L-shaped bracket, and the travel switch is electrically connected to the stepper motor.

[0015] Beneficial effects of the present invention: The present invention combines the grinding and punching processes in the paper tube production process, forms a production line through a conveyor belt assembly, and can perform the paper tube grinding and punching processes simultaneously, thereby improving production efficiency; The invention monitors the working process of the punching cylinder through a travel switch, and converts it into a pulse signal through a controller to control the opening and closing of the stepping motor, so as to ensure that the nylon gasket set inside the paper tube continuously changes the force position during the punching process, thereby improving the utilization rate of the nylon gasket; The present invention adjusts the relative height of the clamping assembly through a screw nut mechanism and controls the telescopic length through a cylinder, so that the device is suitable for processing paper tubes with different diameters and lengths; the movement, positioning, grinding and punching of the paper tubes do not require manual labor, have a high degree of automation, and are economical and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 It is a schematic structural diagram of a clamping and conveyor belt assembly according to an embodiment of the present invention; Figure 3This is a schematic structural diagram of the initial state of the polishing component according to an embodiment of the present invention; Figure 4 It is a structural schematic diagram of the working state of the polishing component according to an embodiment of the present invention; Figure 5 It is a schematic diagram of the exploded structure of the electric grinding wheel according to an embodiment of the present invention; Figure 6 It is a structural schematic diagram of the initial state of the punching and positioning assembly of an embodiment of the present invention; Figure 7 It is a structural schematic diagram of the working state of the punching and positioning components of an embodiment of the present invention; Figure 8 It is a schematic diagram of the exploded structure of the gasket assembly according to an embodiment of the present invention.

[0017] The markings in the figure are: 1, base; 101, left fixing frame; 102, right fixing frame; 103, crossbeam; 201, first cylinder; 202, first lower clamping plate; 203, first upper clamping plate; 204, first screw rod; 205, first short beam; 206, first nut; 301, second cylinder; 302, second lower clamping plate; 303, second upper clamping plate; 304, second screw rod; 305, second short beam; 306, second nut; 401, guide rail; 4011, arc-shaped notch; 402, first slide rail; 403, connecting rod; 404, third cylinder; 501, electric grinder wheel; 5011, built-in motor; 5012, frosting disc; 5013, shell; 5014, groove; 5015, ventilation hole; 502, fourth cylinder; 601, core shaft; 602, fifth cylinder; 603, baffle; 604, stepper motor; 605, rotating shaft; 606, locking disc; 607, nylon washer; 608, limit disc; 701, second slide rail; 702, slider; 703, sixth cylinder; 704, notching tool; 801, travel switch; 8011, joystick; 802, L-shaped bracket; 803, third screw rod; 804, third nut. DETAILED DESCRIPTION

[0018] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0019] This embodiment proposes a paper tube grinding and punching integrated device, such as Figure 1 As shown, it includes a base 1, a left fixing frame 101 and a right fixing frame 102 are fixedly installed on the top of the base 1, a crossbeam 103 is connected between the left fixing frame 101 and the right fixing frame 102, a transmission belt assembly is arranged between the left fixing frame 101 and the right fixing frame 102, a grinding clamping assembly and a punching clamping assembly are arranged inside the transmission belt assembly, grinding assemblies are arranged on both sides of the grinding clamping assembly, and positioning assemblies and punching assemblies are arranged on both sides of the punching clamping assembly.

[0020] like Figure 2 As shown, the conveyor belt assembly includes two parallel guide rails 401, and arc-shaped notches 4011 are equidistantly arranged on the guide rails 401 for placing the paper tubes to be processed. A first slide rail 402 is slidably connected below the guide rail 401, and a connecting rod 403 is fixedly connected between the ends of the two guide rails. The guide rail 401 is repeatedly moved on the first slide rail 402 by the opening and closing control of a third cylinder 404 connected to the middle of the connecting rod 403, so as to realize the assembly line operation of grinding and punching the paper tubes. The grinding and clamping assembly includes an arc-shaped first lower clamping plate 202 and a first upper clamping plate 203. The first lower clamping plate 202 is threadedly connected to the first cylinder 201 at the bottom. The first upper clamping plate 203 is connected to two first screw rods 204. Each first screw rod 204 is clamped on the first short beam 205 by two matching first nuts 206. The first cylinder 201 is used to lift the first lower clamping plate 202 and drive the paper tube to be processed placed on the guide rail 401 to close and clamp with the first upper clamping plate 203. The first screw rod 204 and the nut 206 are used to adjust the height of the first upper clamping plate 203 to adapt to paper tubes of different diameters. The punching clamping assembly includes an arc-shaped second lower clamping plate 302 and a flat second upper clamping plate 303. The second lower clamping plate 302 is threadedly connected to the second cylinder 301 at the bottom. The second upper clamping plate 303 is connected to two second screw rods 304. Each second screw rod 304 is clamped on the second short beam 305 by two matching second nuts 306. The second cylinder 301 is used to lift the second lower clamping plate 302 and drive the paper tube to be processed placed on the guide rail 401 to close and clamp with the second upper clamping plate 303. The second screw rod 304 and the nut 306 are used to adjust the height of the second upper clamping plate 303 to adapt to paper tubes of different diameters.

[0021] like Figure 3 and Figure 5 As shown, the grinding assembly includes two electric grinding wheels 501 separated from the grinding clamping assembly and the two sides of the slide rail 401, the axis of the electric grinding wheel 501 and the first upper clamping plate 203 are at the same height, each electric grinding wheel 501 is threadedly connected to the output end of the fourth cylinder 502 on the side away from the guide rail 401, and the specific structure of the electric grinding wheel 501 includes a built-in motor 5011, the output end of the built-in motor 5011 is fixedly connected to the grinding disc 5012, the grinding disc 5012 is covered with a shell 5013 on the outside, and the shell 5013 is provided with a ventilation hole 5015 and a groove 5014 on the side facing the slide rail 401, and the groove 5014 is used to accommodate the tube wall of the paper tube to be processed. Under the push of the output end of the fourth cylinder 502, the tube wall of the processed paper tube enters the grooves on the electric grinding wheels 501 on both sides and contacts the grinding disc 5012 under the groove. Under the drive of the built-in motor 5011, the grinding disc 5012 rubs and grinds the tube section of the paper tube.

[0022] like Figure 6 and Figure 8As shown, the positioning assembly includes a pushing assembly located on the right side of the punching clamping assembly and the guide rail 401 and a washer assembly located on the left side of the punching clamping assembly and the guide rail 401. The pushing assembly includes a sandblasted core shaft 601, and the axis of the core shaft 601 is at the same height as the center of the second upper clamping plate 303. The core shaft 601 is pushed into the interior of the paper tube to be processed by the output end of the fifth cylinder 602, and the paper tube is pushed to move by friction. The core shaft 601 passes through the hole in the center of the baffle 603 during the extension and retraction process. The baffle 603 is used to prevent the core shaft from moving with the core shaft 601 when driving the paper tube to retract, thereby leaving the range of the guide rail 401. The washer assembly includes a stepper motor 604, which drives the nylon washer 607 sleeved thereon to rotate through a rotating shaft 605. The nylon washer 607 is clamped between a limit plate 608 and a locking plate 606. The limit plate 608 is also used to fix the position of the paper tube to be processed pushed by the mandrel. The locking plate 606 is threadedly connected to the end of the rotating shaft 605. When the nylon washer 607 needs to be replaced, the locking plate 606 can be unscrewed. The punching assembly includes a punching tool 704 arranged above the nylon washer 607. A slider 702 is fixedly connected above the punching tool 704. The slider 702 slides up and down in the second slide rail 701 under the drive of the output end of the sixth cylinder 703 at the top to realize the punching of the paper tube. Furthermore, a travel switch 801 is provided on one side of the punching assembly, and a joystick 8011 on the travel switch 801 is provided below the slider. The travel switch is used to control the opening and closing of the stepping motor in the washer assembly. The travel switch 801 and an L-shaped bracket 802 fixedly connected thereto can be adjusted in height by a third screw rod 803 and a third nut 804 to suit the processing of paper tubes with different diameters.

[0023] Working process and principle: Preparation: The paper tube to be processed is transported on the production line and placed in the arc-shaped notch 4011 on the guide rail 401 in the conveyor assembly; Grinding work: Start the third cylinder 404 to inflate and pressurize to push the guide rail 401 to move the paper tube to be processed to the top of the first lower clamping plate 202, close the valve of the third cylinder 404 to stop, start the first cylinder 201 to inflate and pressurize to lift the first lower clamping plate 202, and during the rising process of the first lower clamping plate 202, drive the paper tube to be processed to break away from the arc-shaped notch 4011 on the guide rail 401 until the paper tube to be processed rises to the top and contacts the first upper clamping plate 203, close the valve of the first cylinder 201 to stop lifting, and at this time the paper tube is clamped between the first lower clamping plate 202 and the third cylinder 404. The grinding work starts, the fourth air cylinder 502 on the right is started to inflate and pressurize, and the right electric grinding wheel 501 is pushed to move toward the paper tube to be processed. During the moving process, the groove 5014 on the right electric grinding wheel 501 is stuck to the right wall of the main paper tube, and the right wall of the paper tube contacts the grinding disk 5012. The paper tube moves with the right electric grinding wheel 501 until the left wall of the paper tube enters the groove 5014 on the left electric grinding wheel 501 and contacts the grinding disk 5012. The valve of the fourth air cylinder 502 on the right is closed to stop pushing. At this time, the grinding assembly enters the working state, such as Figure 4 As shown, the built-in motors 5011 of the electric grinding wheels 501 on both sides start to work, driving the sanding discs 5012 to rub against the wall of the paper tube for grinding; after the grinding work is completed, the built-in motors 5011 are turned off, the fourth cylinder 502 on the left is started to inflate and pressurize, and the fourth cylinder 502 on the right is started to exhaust and reduce pressure, and after the paper tube is pushed back to the initial position before the grinding work starts, the fourth cylinders 502 on both sides continue to exhaust and fall back to the initial position, and the first cylinder 201 is started to exhaust and reduce pressure, and the paper tube falls back to the arc-shaped notch 4011 on the guide rail 401 along with the first lower clamping plate 202; Punching work: start the third cylinder 404 to inflate and pressurize to push the guide rail 401 to move the paper tube to be processed to the top of the first lower clamping plate 202, close the valve of the third cylinder 404 and put it in a stopped state, start the second cylinder 301 to inflate and pressurize to lift the second lower clamping plate 302, and during the rising process of the second lower clamping plate 302, the paper tube to be processed is driven to break away from the arc-shaped notch 4011 on the guide rail 401, until the paper tube to be processed rises to the top and contacts the second upper clamping plate 303, and the valve of the second cylinder 301 is closed to stop lifting. The paper tube is clamped between the second lower clamping plate 302 and the second upper clamping plate 303; the punching work starts, the fifth cylinder 602 is started for inflation and pressurization, and the mandrel 601 is pushed to move inside the right wall of the paper tube to be processed. During the movement, the friction between the mandrel 601 and the right wall gradually increases until the paper tube is driven to move together. When the left wall of the paper tube is sleeved on the nylon washer 607 and contacts the limit plate 608, the valve of the fifth cylinder 602 is closed to stop pushing, and the sixth cylinder 703 is started for inflation. The pressure is applied to push the punching tool 704 fixed under the slider 702 to fall along the second slide rail 701 to perform the punching work. When the slider 702 falls to the bottom, it contacts and opens the joystick 8011 on the travel switch 801. The joystick 8011 converts its own activity into a pulse signal through the controller to control the stepper motor 604 to start. The stepper motor 604 drives the nylon washer 607 on it to rotate a certain angle. This process can make full use of the various parts of the nylon washer 607 to buffer the impact of the punching tool 704, and the punching After the punching work is completed, the sixth cylinder 703 is started to exhaust and reduce pressure, the punching cutter 704 rises to the initial position, the fifth cylinder 602 is started to exhaust and reduce pressure, the mandrel 601 drives the paper tube to retract by friction, the mandrel retracts to the baffle 603, the paper tube is blocked by the baffle 603 and falls off the mandrel 601, the paper tube returns to the initial position before the punching work begins, and then the second cylinder 301 is started to exhaust and reduce pressure, and the paper tube falls back into the arc-shaped notch 4011 on the guide rail 401 along with the second lower clamping plate 302; Paper tube unloading: Start the third cylinder 404 to inflate and pressurize to push the guide rail 401 so that the processed paper tube moves to the front of the second lower clamping plate 303, and then the processed paper tube can be removed from the arc-shaped notch 4011 on the guide rail 401.

[0024] Since at least three arc-shaped notches 4011 are provided on the guide rail, the above three processes of grinding, punching and unloading can be completed simultaneously, thus realizing assembly line production.

Claims

1. A paper tube grinding and punching integrated device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a left fixing frame (101) and a right fixing frame (102); a crossbeam (103) is fixedly connected between the tops of the left fixing frame (101) and the right fixing frame (102); a first cylinder (201) and a second cylinder (301) are vertically arranged inside the base (1); a grinding clamping assembly is fixedly connected to the output end of the top of the first cylinder (201); the grinding clamping assembly is arranged between the left fixing frame (101) and the right fixing frame (102); and the second cylinder (201) and the second cylinder (301) are vertically arranged inside the base (1). A punching clamping assembly is fixedly connected to the output end at the top of the cylinder (301), and the punching clamping assembly is arranged between the left fixed frame (101) and the right fixed frame (102). A conveyor belt assembly is arranged between the left fixed frame (101) and the right fixed frame (102) on both sides of the grinding clamping assembly and the punching clamping assembly. A grinding assembly is arranged on both sides of the grinding clamping assembly away from the transmission belt assembly. A positioning assembly is arranged on both sides of the punching clamping assembly away from the transmission belt assembly. A punching assembly is arranged on the top of the left fixed frame (101).

2. The paper tube grinding and punching integrated device according to claim 1, characterized in that: The grinding clamping assembly comprises a first lower clamping plate (202) arranged at the top output end of the first cylinder (201), a first upper clamping plate (203) arranged directly above the first lower clamping plate (202), the first lower clamping plate (202) and the first upper clamping plate (203) both being arc-shaped, two first screw rods (204) being fixedly connected to the top of the first upper clamping plate (203), the first screw rods (204) passing through and slidably connected to a first short beam (205), the first short beam (205) being fixedly connected to the middle of the cross beam (103), the outer portion of the first screw rod (204) being sleeved with two first nuts (206) threadably matched with the first screw rod (204), the two adjacent first nuts (206) respectively contacting the top and bottom of the first short beam (205).

3. The paper tube grinding and punching integrated device according to claim 2, characterized in that: The punching clamping assembly comprises a second lower clamping plate (302) arranged at the top output end of the second cylinder (301), a second upper clamping plate (303) arranged directly above the second lower clamping plate (302), the second lower clamping plate (302) is in an arc shape, the second upper clamping plate (303) is in a flat plate shape, two second screw rods (304) are fixedly connected to the top of the second upper clamping plate (303), the second screw rod (304) passes through and is slidably connected to a second short beam (305), the second short beam (305) is fixedly connected to the middle of the cross beam (103), the outer portion of the second screw rod (304) is sleeved with two second nuts (306) threadably matched with the second screw rod (304), and two adjacent second nuts (306) are respectively in contact with the top and bottom of the second short beam (305).

4. The paper tube grinding and punching integrated device according to claim 3, characterized in that: The conveyor belt assembly comprises two guide rails (401) arranged on both sides of a first lower clamping plate (202) and a second lower clamping plate (302); at least three equally spaced arc-shaped notches (4011) are provided on the guide rails (401); the spacing between adjacent arc-shaped notches (4011) is equal to the spacing between the first lower clamping plate (202) and the second lower clamping plate (302); a first slide rail (402) is slidably connected below the guide rails (401); a connecting rod (403) is fixedly connected between the ends of the two guide rails (401); a third cylinder (404) is arranged on the outside of the connecting rod (403) away from the first lower clamping plate (202); and an output end of the third cylinder (404) is fixedly connected to the middle of the connecting rod (403).

5. The paper tube grinding and punching integrated device according to claim 4, characterized in that: The grinding assembly comprises two electric grinding wheels (501) arranged outside the two guide rails (401), the axis of the electric grinding wheel (501) and the center of the arc-shaped first upper clamping plate (203) are at the same height, and a fourth cylinder (502) is arranged on the side of the electric grinding wheel (501) away from the guide rails (401), and the output end of the fourth cylinder (502) is threadedly connected to the axis of the electric grinding wheel (501).

6. The paper tube grinding and punching integrated device according to claim 5, characterized in that: The electric grinding wheel (501) comprises a built-in motor (5011), the output end of the built-in motor is connected to a sanding disc (5012), a shell (5013) is arranged outside the sanding disc (5012), and a groove (5014) and a ventilation hole (5015) are arranged on the surface of the shell (5013).

7. The paper tube grinding and punching integrated device according to claim 5, characterized in that: The positioning assembly comprises a pushing assembly arranged on the right side of the guide rail (401) and a washer assembly arranged on the left side of the guide rail (401), the pushing assembly comprises a core shaft (601), the center of the core shaft (601) and the center of the arc-shaped second upper clamping plate (303) are at the same height, a fifth cylinder (602) is arranged on the right side of the core shaft (601), the output end of the fifth cylinder (602) is threadedly connected to the axis of the core shaft (601), the surface of the core shaft (601) is sandblasted, and a baffle (603) is arranged on the side of the right fixing frame (102) close to the guide rail (401), and a hole is provided on the baffle (603) for the core shaft (601) to move telescopically.

8. The paper tube grinding and punching integrated device according to claim 7, characterized in that: The washer assembly comprises a stepper motor (604), the output end of the stepper motor (604) is fixedly connected to a rotating shaft (605), the axis of the rotating shaft (605) and the center of the circle of the arc-shaped second upper clamping plate (303) are at the same height, the end of the rotating shaft (605) is threadedly connected to a locking disk (606), a nylon washer (607) is sleeved on the rotating shaft (605) adjacent to the locking disk (606), and a limiting disk (608) is fixedly connected to the rotating shaft (605) adjacent to the nylon washer (607).

9. The paper tube grinding and punching integrated device according to claim 8, characterized in that: The punching assembly comprises a second slide rail (701) fixedly connected to a side of the left fixed frame (101) close to the guide rail (401); a slider (702) is slidably connected to the side of the second slide rail (701) close to the guide rail (401); a sixth cylinder (703) is arranged above the slider (702); an output end of the sixth cylinder (703) is fixedly connected to the top of the slider (702); a punching tool (704) is fixedly connected to the bottom of the slider (702); and the punching tool (704) is arranged above the nylon washer (607).

10. The paper tube grinding and punching integrated device according to claim 9, characterized in that: A travel switch (801) is arranged on one side of the punching assembly. The travel switch (801) comprises a joystick (8011). The joystick (8011) is arranged below the slider (702). An L-shaped bracket (802) is fixedly connected to the side of the travel switch (801). A third screw rod (803) is penetrated through and slidably connected to the horizontal end of the L-shaped bracket (802). Two third nuts (804) threadably matched with the third screw rod (803) are sleeved on the outside of the third screw rod (803). Two adjacent third nuts (804) are respectively in contact with the top and bottom of the L-shaped bracket (802). The travel switch (801) is electrically connected to the stepping motor (604).

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