A device for automatically disassembling rubber sleeves on the surface of cylindrical workpieces and a system for using the same

Abstract

The application relates to the technical field of rubber coating layer processing of workpiece surfaces, and discloses an automatic disassembling device for rubber sleeves on cylindrical workpiece surfaces, which has the technical scheme as follows: the device comprises a machine body, a vacuum suction part, an auxiliary cutting part, a workpiece, a cutting part, a clamping part and a placing part; the placing part is arranged on the machine body and used for grabbing the workpiece; the vacuum suction part is arranged on the machine body and opposite to the placing part and used for sucking the workpiece; the cutting part is arranged on the vacuum suction part and used for cutting the workpiece; the clamping part is arranged between the cutting part and the placing part and used for clamping the workpiece; the auxiliary cutting part is arranged at two ends of the workpiece and located on the two sides of the vacuum suction part and used for assisting the vacuum suction part in sucking the workpiece and assisting the auxiliary cutting part in completing the work of cutting the workpiece; the workpiece is placed through the placing part and matched with the clamping part to clamp the workpiece, so that the workpiece can be fully clamped during processing, and surface damage, excessive clamping and extrusion friction of the workpiece as a whole can be avoided during demolding.

Description

Technical Field

[0001] This invention relates to the field of rubber coating treatment technology for workpiece surfaces, and more specifically to an automatic disassembly device and system for rubber sleeves on cylindrical workpiece surfaces. Background Technology

[0002] For a long time, the automated disassembly process of composite wrapping materials such as rubber sleeves for cylindrical workpieces has been a challenge in the industry. Currently, many cylindrical workpieces require wrapping with composite materials such as rubber sleeves during production, and this wrapping material often needs to be removed after a certain process. Because the rubber sleeve is soft, highly elastic, and adheres closely to the workpiece, the removal of the surface rubber sleeve for this type of workpiece has always required manual operation. This has prevented the full automation of the process for this type of product, resulting in low production efficiency and high labor costs. Furthermore, because the rubber sleeve adheres tightly to the workpiece, even during manual removal, the workpiece may be scratched, potentially causing safety issues. Currently, the removal of the rubber wrapping material is a manual operation. The worker must fix the workpiece, slowly insert a thin tool into the gap between the workpiece and the rubber sleeve, lift the rubber sleeve to separate it from the workpiece, and then use a knife to cut open the raised part of the rubber sleeve to complete the disassembly. The existing manual method of rubber sleeve disassembly has several disadvantages: 1. Low production efficiency; 2. Prone to scratches and other quality defects in the product; 3. Due to the special nature of some workpieces, there are safety hazards.

[0003] Furthermore, the control systems and workflows of existing equipment are not convenient or complete enough, making it difficult to complete the rubber coating treatment on the workpiece surface. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the primary objective of this invention is to provide an automatic disassembly device and system for rubber sleeves on cylindrical workpieces. The device involves placing the workpiece in a placement section, followed by a clamping section to hold it securely during processing. This ensures the workpiece is fully clamped, preventing surface damage, excessive clamping, and friction during demolding. A vacuum suction section lifts the rubber sleeve, facilitating cutting with a cutting tool without damaging the propellant. An auxiliary cutting section, inserted into the rubber sleeve, supports it, creating a cutting gap that prevents the cutting tool from contacting the inner antistatic film and PTFE composite sheet, while also avoiding contact with the propellant. After cutting, the placement section removes the cut workpiece.

[0005] After the workpiece is placed using the placement module, it is clamped using the clamping module. During cutting, the suction module first suctions the workpiece while simultaneously sending a coordination signal to the auxiliary module, thus creating a cutting gap in the rubber sleeve. This makes the rubber sleeve form a trapezoidal shape, preventing it from contacting the inner antistatic film and PTFE composite sheet during cutting, and also preventing contact with the propellant cartridge, thereby improving the overall control and convenience of the system.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces, comprising a body, a vacuum suction unit, an auxiliary cutting unit, a workpiece, a cutting unit, a clamping unit, and a placement unit; the placement unit is disposed on the body for gripping the workpiece; the vacuum suction unit is disposed on the body and positioned opposite the placement unit for suctioning the workpiece; the cutting unit is disposed on the vacuum suction unit for cutting the workpiece; the clamping unit is disposed between the cutting unit and the placement unit for clamping the workpiece; the auxiliary cutting unit is disposed at both ends of the workpiece, located on both sides of the vacuum suction unit, for assisting the vacuum suction unit in suctioning the workpiece and assisting in cutting... The cutting section completes the workpiece cutting process. After the placement section places the workpiece, it is clamped by the clamping section to ensure that the workpiece is fully clamped during processing. This avoids surface damage, excessive clamping, and squeezing friction to the workpiece during demolding. The vacuum suction section is used to pull up the rubber sleeve, making it easier for the rubber sleeve cutting tool to cut the rubber sleeve without damaging the propellant. The auxiliary cutting section is used to insert into the rubber sleeve and support it to form a cutting gap, preventing the tool from contacting the inner antistatic film and PTFE composite sheet, and also preventing contact with the propellant. After cutting, the placement section removes the cut workpiece.

[0007] As a further improvement of the present invention, the body includes several feet, several fixing nails, a static elimination device and a box; the static elimination device is fixedly installed on the box, the several feet are fixedly installed on the side of the box away from the static elimination device, and the several fixing nails are respectively threaded onto the several feet.

[0008] As a further improvement of the present invention, the vacuum suction unit includes a bracket, three lifting devices and three suction cups; the bracket is fixedly connected to the housing, the static elimination device is fixedly installed on the bracket, the three lifting devices are fixedly installed on the side of the bracket away from the static elimination device, and the three suction cups are respectively fixedly connected to the three lifting devices.

[0009] As a further improvement of the present invention, the auxiliary cutting section includes two reciprocating devices, two drive motors, two connecting frames, four positioning rods, two telescopic devices, and two positioning assemblies; the two reciprocating devices are fixedly mounted on the housing, the two drive motors are respectively connected to the two reciprocating devices, one connecting frame is connected to the two reciprocating devices, the two telescopic devices are mounted on one connecting frame, the four positioning rods are respectively fixedly connected to the two telescopic devices, and a gap is provided between two adjacent positioning rods; the two positioning assemblies are respectively disposed on two of the lifting devices, for widening the gap between two adjacent positioning rods.

[0010] As a further improvement of the present invention, the workpiece includes a rubber sleeve, a rubber ring, and a propellant cone; the rubber sleeve is wound around the propellant cone, and the rubber ring is fitted onto the rubber sleeve.

[0011] As a further improvement of the present invention, the cutting part includes a cutting tool, a moving device, and a slide rail; the slide rail is fixedly mounted on a bracket, the moving device is fixedly mounted on a housing, and the cutting tool is connected to the moving device and slidably connected to the slide rail.

[0012] As a further improvement of the present invention, the clamping part includes a pair of clamping cylinders and four clamping frames; the pair of clamping cylinders are symmetrically fixedly mounted on the housing about the workpiece, and the four clamping frames are fixedly connected to the clamping cylinders in pairs, with a clamping interval between each pair of clamping frames for clamping the workpiece.

[0013] As a further improvement of the present invention, the positioning assembly includes a pusher, a connecting rod, and a plug-in rod; the pusher is fixedly connected to the lifting device, the connecting rod is fixedly connected to the pusher, and the plug-in rod is fixedly connected to the connecting rod.

[0014] As a further improvement of the present invention, the placement part includes a vacuum suction tray, a robotic arm, and a gripping component; the robotic arm is mounted on the housing, the vacuum suction tray is mounted on the gripping component, and the robotic arm grips the gripping component.

[0015] As a further improvement of the present invention, it also includes a control terminal, a placement module, a clamping module, a suction module, a cutting module, and an auxiliary module; when the control terminal is activated, the placement module receives a working signal, the placement part picks up the workpiece and sends a clamping signal, the clamping module activates the clamping part to clamp the workpiece, sends a cutting signal, the cutting module cuts the outer surface of the workpiece, the placement module picks up the cut material, the placement part leaves the processing area and sends a continue cutting signal, the suction module receives the signal, controls the vacuum suction part to pick up the workpiece, sends an auxiliary signal, the auxiliary module controls the auxiliary cutting part to pick up and lift a portion of the workpiece, so that the workpiece has a gap that can be cut, and then sends a receiving signal, the placement module receives the signal, adds to the processing area, presses against the workpiece, sends a cutting signal, the cutting part cuts the workpiece, sends a removal signal, and the placement part removes the cut item.

[0016] The beneficial effects of this invention are:

[0017] (1) The present invention places the workpiece in the placement part and then clamps it with the clamping part to ensure that the workpiece is fully clamped during processing. During demolding, the workpiece is protected from surface damage, excessive clamping and squeezing friction. The vacuum suction part is used to pull up the rubber sleeve, which makes it easier for the rubber sleeve cutting tool to cut the rubber sleeve without damaging the propellant. The auxiliary cutting part is used to insert the rubber sleeve and support it to form a cutting gap, so that the tool avoids contact with the inner antistatic film and polytetrafluoroethylene composite sheet, and also avoids contact with the propellant. After cutting, the cut workpiece is removed by the placement part.

[0018] (2) The present invention uses the placement module to place the workpiece and then uses the clamping module to clamp it. During cutting, the suction module first suctions the workpiece and sends a cooperation signal to the auxiliary module, thereby leaving a cutting interval in the rubber sleeve. This makes the rubber sleeve as a whole trapezoidal platform shape, thus avoiding contact between the inner antistatic film and the polytetrafluoroethylene composite sheet during cutting, and also avoiding contact with the propellant, thereby improving the overall control and convenience of the system. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0020] Figure 2 This is the present invention. Figure 1 Enlarged structural diagram of the workpiece in the middle section;

[0021] Figure 3 This is the present invention. Figure 2 Enlarged structural diagram of the central suction cup;

[0022] Figure 4 This is the present invention. Figure 2 Other angle structural diagrams;

[0023] Figure 5 This is an enlarged structural schematic diagram of the workpiece of the present invention;

[0024] Figure 6 This is a schematic diagram of the system modules of the present invention;

[0025] Figure 7 This is a schematic diagram of the system flow of the present invention.

[0026] Reference numerals: 1. Machine body; 11. Foot; 12. Fixing nail; 13. Box; 2. Static elimination device; 3. Vacuum suction unit; 31. Support; 32. Lifting device; 34. Suction cup; 4. Auxiliary cutting unit; 41. Reciprocating device; 42. Drive motor; 43. Connecting frame; 44. Positioning rod; 45. Telescopic device; 5. Workpiece; 51. Rubber sleeve; 52. Medicated cartridge; 6. Cutting tool; 61. Slide rail; 7. Clamping unit; 71. Clamping cylinder; 72. Clamping frame; 8. Positioning assembly; 81. Pushing component; 82. Connecting rod; 83. Insertion rod; 101. Control terminal; 102. Placement module; 103. Clamping module; 104. Suction module; 105. Cutting module; 106. Auxiliary module. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0028] Reference Figure 1-7As shown, this embodiment of an automatic disassembly device for rubber sleeves on cylindrical workpieces includes a body 1, a vacuum suction unit 3, an auxiliary cutting unit 4, a workpiece 5, a cutting unit, a clamping unit 7, and a placement unit. The placement unit is mounted on the body 1 for gripping the workpiece 5. The vacuum suction unit 3 is mounted on the body 1 and positioned opposite the placement unit for suctioning the workpiece 5. The cutting unit is mounted on the vacuum suction unit 3 for cutting the workpiece 5. The clamping unit 7 is positioned between the cutting unit and the placement unit for clamping the workpiece 5. The auxiliary cutting unit 4 is located at both ends of the workpiece 5, on both sides of the vacuum suction unit 3, to assist the vacuum suction unit 3 in suctioning the workpiece 5 and in... The auxiliary cutting unit completes the work of cutting workpiece 5. After the workpiece is placed by the placement unit, it is clamped by the clamping unit to ensure that the workpiece is fully clamped during processing. During demolding, it avoids surface damage, excessive clamping and squeezing friction to the workpiece as a whole. The vacuum suction unit is used to pull up the rubber sleeve, so that the rubber sleeve cutting tool can cut the rubber sleeve without damaging the propellant. The auxiliary cutting unit is used to insert the rubber sleeve and support the rubber sleeve to form a cutting gap, so that the tool avoids contact with the inner antistatic film and polytetrafluoroethylene composite sheet, and also avoids contact with the propellant. After the cutting is completed, the cut workpiece is removed by the placement unit.

[0029] Reference Figure 1-7 As shown, the body 1 includes several feet 11, several fixing nails 12, an electrostatic elimination device, and a housing 13; the electrostatic elimination device is fixedly installed on the housing 13, the several feet 11 are fixedly installed on the side of the housing 13 away from the electrostatic elimination device, and the several fixing nails 12 are respectively threaded onto the several feet 11.

[0030] Reference Figure 1-7 As shown, the vacuum suction unit 3 includes a bracket 31, three lifting devices 32 and three suction cups 34; the bracket 31 is fixedly connected to the housing 13, the static elimination device is fixedly installed on the bracket 31, the three lifting devices 32 are fixedly installed on the side of the bracket 31 away from the static elimination device, and the three suction cups 34 are respectively fixedly connected to the three lifting devices 32.

[0031] Reference Figure 1-7 As shown, the auxiliary cutting section 4 includes two reciprocating devices 41, two drive motors 42, two connecting frames 43, four positioning rods 44, two telescopic devices 45, and two positioning assemblies 8. The two reciprocating devices 41 are fixedly mounted on the housing 13. The two drive motors 42 are respectively connected to the two reciprocating devices 41. One connecting frame 43 is connected to the two reciprocating devices 41. The two telescopic devices 45 are mounted on one connecting frame 43. The four positioning rods 44 are respectively fixedly connected to the two telescopic devices 45, and a gap is provided between two adjacent positioning rods 44. The two positioning assemblies 8 are respectively disposed on two of the lifting devices 32, used to open up the gap between two adjacent positioning rods 44.

[0032] Reference Figure 1-7 As shown, the workpiece 5 includes a rubber sleeve 51, a rubber ring, and a propellant cone 52; the rubber sleeve 51 is wound around the propellant cone 52, and the rubber ring is fitted onto the rubber sleeve 51.

[0033] Reference Figure 1-7 As shown, the cutting part includes a blade 6, a moving device, and a slide rail 61; the slide rail 61 is fixedly mounted on the bracket 31, the moving device is fixedly mounted on the housing 13, the blade 6 is connected to the moving device, and is slidably connected to the slide rail 61.

[0034] Reference Figure 1-7 As shown, the clamping part 7 includes a pair of clamping cylinders 71 and four clamping frames 72; the pair of clamping cylinders 71 are symmetrically fixedly mounted on the housing 13 about the workpiece 5, and the four clamping frames 72 are fixedly connected to the clamping cylinders 71 in pairs, with a clamping interval between each pair of clamping frames 72 for clamping the workpiece 5.

[0035] Reference Figure 1-7 As shown, the positioning assembly 8 includes a pusher 81, a connecting rod 82, and a plug-in rod 83; the pusher 81 is fixedly connected to the lifting device 32, the connecting rod 82 is fixedly connected to the pusher 81, and the plug-in rod 83 is fixedly connected to the connecting rod 82.

[0036] Reference Figure 1-7 As shown, the placement unit includes a vacuum suction plate, a robotic arm, and a gripper; the robotic arm is mounted on the housing 13, the vacuum suction plate is mounted on the gripper, and the robotic arm grips the gripper.

[0037] Reference Figure 1-7 As shown, it also includes a control terminal 101, a placement module 102, a clamping module 103, a suction module 104, a cutting module 105, and an auxiliary module 106. When the control terminal 101 is activated, the placement module 102 receives a working signal, the placement part picks up the workpiece 5 and sends a clamping signal, the clamping module 103 activates the clamping part 7 to clamp the workpiece 5 and sends a cutting signal, the cutting module 105 cuts the outer surface of the workpiece 5, the placement module 102 picks up the cut material, the placement part leaves the processing area and sends a continuing cutting signal, the suction module 104 receives the signal, controls the vacuum suction part 3 to pick up the workpiece 5 and sends an auxiliary signal, the auxiliary module 106 controls the auxiliary cutting part 4 to pick up and pull up a part of the workpiece 5 so that the workpiece 5 has a gap that can be cut, and then sends a receiving signal, the placement module 102 receives the signal, joins the processing area, presses against the workpiece 5, sends a cutting signal, the cutting part cuts the workpiece 5, sends a removal signal, and the placement part removes the cut item.

[0038] Working principle: Refer to Figure 1-7As shown, during use, the control terminal 101 is activated, the placement module 102 receives the working signal, the placement part picks up the workpiece 5 and sends a clamping signal, the clamping module 103 activates the clamping part 7 to clamp the workpiece 5 and sends a cutting signal, the cutting module 105 cuts the outer surface of the workpiece 5, the placement module 102 picks up the cut material, the placement part leaves the processing area and sends a continue cutting signal, the suction module 104 receives the signal and controls the vacuum suction part 3 to suck up the workpiece 5 and sends an auxiliary signal, the auxiliary module 106 controls the auxiliary cutting part 4 to suck up and lift a part of the workpiece 5 so that the workpiece 5 has a gap that can be cut, and then sends a receiving signal, the placement module 102 receives the signal, adds to the processing area, presses against the workpiece 5, sends a cutting signal, the cutting part cuts the workpiece 5, sends a take-away signal, and the placement part takes away the cut item.

[0039] The robotic arm places the pill cartridge 52 onto the clamping frame 72, which is positioned on the end caps of the pill cartridge 52. The robotic arm is equipped with rubber ring grippers with a tapered tip for easy insertion into the rubber ring. The robotic arm inserts itself into the rubber ring, close to the rubber sleeve 51, grips the rubber ring, and lifts it, separating the rubber ring from the rubber sleeve 51. The cutter 6 moves laterally to one side of the rubber sleeve 51, extends, and cuts the rubber ring. The cutter 6 then returns to its original position. The robotic arm places the rubber ring into a tooling box.

[0040] The lifting devices 32 at both ends (servo lifting electric cylinders) drive the suction cup 34 to descend, the suction cup 34 is ON, and the servo lifting electric cylinder pulls up the rubber sleeve 51. The rubber sleeve 51 at both ends spreads out the four positioning rods 44, which are inserted into the gaps where the vacuum suction cup 34 is lifted, and the vacuum suction cup 34 is OFF. The servo lifting electric cylinder moves upward, widening the gaps in the rubber sleeve 51, making it easier for the positioning rods 44 on both sides to enter.

[0041] As the lifting device 32 (servo lifting electric cylinder) descends, the left plug rod 83 and the right plug rod 83 simultaneously insert between the two positioning rods 44, the lifting servo component returns to its original position, and the left plug rod 83 and the right plug rod 83 simultaneously leave the positioning rods 44.

[0042] The left and right positioning rods 44 are inserted into the rubber sleeve 51, and the insertion rods support the rubber sleeve 51. Lifting is driven by a pneumatic cylinder, and forward movement is driven by a servo electric cylinder; there are a total of four sets of lifting and feeding positioning rods 44. After the rubber sleeve 51 is inserted, it is cut to prevent the tool 6 from touching the precipitate 52. Before cutting, the robotic arm drives a vacuum suction plate to hold the rubber sleeve 51. When the tool 6 cuts, the starting device (pneumatic cylinder) drives the tool 6 forward, and the slide rail 61 (servo motor) drives the tool 6 to move laterally to cut the rubber sleeve 51.

[0043] The robotic arm throws the cut-off rubber sleeve 51 into the rubber sleeve 51 waste box, then replaces the gripper of the drug column 52 and feeds the drug column 52 to the next process.

[0044] The above are merely preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. An automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces, characterized in that: It includes a body (1), a vacuum suction unit (3), an auxiliary cutting unit (4), a workpiece (5), a cutting unit, a clamping unit (7), and a placement unit; The placement part is set on the machine body (1) for gripping the workpiece (5), the vacuum suction part (3) is set on the machine body (1) and is positioned opposite to the placement part for suctioning the workpiece (5); the cutting part is set on the vacuum suction part (3) for cutting the workpiece (5), the clamping part (7) is set between the cutting part and the placement part for clamping the workpiece (5), and the auxiliary cutting part (4) is set at both ends of the workpiece (5) and located on both sides of the vacuum suction part (3) for assisting the vacuum suction part (3) in suctioning the workpiece (5) and assisting the cutting part in completing the workpiece (5) cutting. The body (1) includes several feet (11), several fixing nails (12), an electrostatic elimination device and a box (13). The static elimination device is fixedly installed on the box (13), and several feet (11) are fixedly installed on the side of the box (13) away from the static elimination device. Several fixing nails (12) are respectively threaded onto the several feet (11). The vacuum suction unit (3) includes a bracket (31), three lifting devices (32) and three suction cups (34). The bracket (31) is fixedly connected to the box (13), the static elimination device is fixedly installed on the bracket (31), the three lifting devices (32) are fixedly installed on the side of the bracket (31) away from the static elimination device, and the three suction cups (34) are fixedly connected to the three lifting devices (32) respectively. The auxiliary cutting section (4) includes two reciprocating devices (41), two drive motors (42), two connecting frames (43), four positioning rods (44), two telescopic devices (45), and two positioning components (8). The two reciprocating devices (41) are fixedly installed on the housing (13), the two drive motors (42) are respectively connected to the two reciprocating devices (41), a connecting frame (43) is connected to the two reciprocating devices (41), the two telescopic devices (45) are installed on a connecting frame (43), the four positioning rods (44) are respectively fixedly connected to the two telescopic devices (45), and there is a gap between two adjacent positioning rods (44); The two positioning components (8) are respectively installed on the two lifting devices (32) to open up the gap between the two adjacent positioning rods (44).

2. The automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces according to claim 1, characterized in that: The workpiece (5) includes a rubber sleeve (51), a rubber ring, and a dart (52). The rubber sleeve (51) is wound around the drug column (52), and the rubber ring is fitted on the rubber sleeve (51).

3. The automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces according to claim 1, characterized in that: The cutting section includes a cutting tool (6), a moving device, and a slide rail (61). The slide rail (61) is fixedly installed on the bracket (31), the moving device is fixedly installed on the box (13), and the cutter (6) is connected to the moving device and slidably connected to the slide rail (61).

4. The automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces according to claim 1, characterized in that: The clamping part (7) includes a pair of clamping cylinders (71) and four clamping frames (72); A pair of clamping cylinders (71) are symmetrically fixed on the box (13) about the workpiece (5). Four clamping frames (72) are in pairs and fixedly connected to the clamping cylinders (71). A clamping interval is provided between a pair of clamping frames (72) for clamping the workpiece (5).

5. The automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces according to claim 1, characterized in that: The positioning component (8) includes a pusher (81), a connecting rod (82), and a plug-in rod (83). The pusher (81) is fixedly connected to the lifting device (32), the connecting rod (82) is fixedly connected to the pusher (81), and the plug rod (83) is fixedly connected to the connecting rod (82).

6. The automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces according to claim 1, characterized in that: The placement section includes a vacuum suction tray, a robotic arm, and a gripping component; The robotic arm is mounted on the housing (13), the vacuum suction plate is mounted on the gripper, and the robotic arm grips the gripper.

7. A system for automatically disassembling rubber sleeves on the surface of cylindrical workpieces, characterized in that: Includes an automatic disassembly device for rubber sleeves on the surface of cylindrical workpieces as described in any one of claims 1-6; It also includes a control terminal (101), a placement module (102), a clamping module (103), a suction module (104), a cutting module (105), and an auxiliary module (106). The control terminal (101) is started, the placement module (102) receives the working signal, the placement part picks up the workpiece (5) and sends a clamping signal, the clamping module (103) starts the clamping part (7) to clamp the workpiece (5) and sends a cutting signal, the cutting module (105) cuts the outer surface of the workpiece (5), the placement module (102) picks up the cut material, the placement part leaves the processing area and sends a continuing cutting signal, the suction module (104) receives the signal and controls the vacuum suction part (3) to suck up the workpiece (5) and sends an auxiliary signal, the auxiliary module (106) controls the auxiliary cutting part (4) to suck up and lift a part of the workpiece (5) so that the workpiece (5) has a gap that can be cut, and then sends a receiving signal, the placement module (102) receives the signal, adds to the processing area, presses against the workpiece (5), sends a cutting signal, the cutting part cuts the workpiece (5), sends a take-away signal, and the placement part takes away the cut item.

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