Panel cutting apparatus

Abstract

A cutting device includes a cutting mechanism and a blade changing mechanism. The cutting mechanism includes a carrier, a blade, a locking assembly, and a cutting drive assembly. The blade and the locking assembly are mounted on the bottom of the carrier. The locking assembly is used to lock or unlock the blade. The cutting drive assembly is configured to drive the carrier to move up and down for cutting operations. The blade changing mechanism includes a blade holder and a transfer drive assembly. The blade holder has at least two blade slots, at least one of which contains a blade. The transfer drive assembly is configured to drive the blade holder to move below the carrier for blade changing operations. When the transfer drive assembly performs blade changing operations, it drives the blade holder to move below the carrier, the unlocked blade falls into one blade slot, and the locking assembly locks the blade in the other blade slot. This cutting device can automatically change blades, has a high degree of automation, and improves cutting and blade changing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of signage technology, and in particular to a cutting device. Background Technology

[0002] Road signs are mainly used on highways and expressways, ordinary municipal roads, temporary construction areas, and special area warnings. The production process mainly includes material preparation, base plate processing, reflective film treatment, assembly, and testing. Existing reflective film sign cutting machines have a low degree of automation. When dealing with signs of different models or thicknesses, manual blade changing is required, which is inefficient and cumbersome. Utility Model Content

[0003] In view of this, the present invention provides a cutting device that can automatically change blades, has a high degree of automation, and improves the efficiency of cutting and changing blades.

[0004] A cutting device, comprising:

[0005] A cutting mechanism includes a carrier, a blade, a locking assembly, and a cutting drive assembly. The blade and the locking assembly are mounted on the bottom of the carrier. The locking assembly is used to lock or unlock the blade. The cutting drive assembly is configured to drive the carrier to move vertically and vertically to perform cutting operations.

[0006] A tool changing mechanism includes a tool holder and a transfer drive assembly. The tool holder has at least two tool slots, at least one of which is loaded with the blade. The transfer drive assembly is configured to drive the tool holder to move under the carrier to perform a tool changing operation.

[0007] When the transfer drive assembly performs a tool change operation, the transfer drive assembly drives the tool holder to move below the carrier, the unlocked blade falls into one of the tool slots, and the locking assembly locks the blade in the other tool slot.

[0008] Optionally, the carrier includes a bottom surface and at least one mounting groove extending through the bottom surface, and the blade is at least partially inserted into the mounting groove; the locking assembly includes at least one pressing block and at least one locking actuator for driving the pressing block to extend and retract, the pressing block being disposed in the mounting groove;

[0009] When the locking assembly locks the blade, the locking driver causes the pressing block to abut against the blade;

[0010] When the locking assembly unlocks the blade, the locking actuator drives the abutment block away from the blade.

[0011] Optionally, the bottom surface is provided with at least one docking block, the docking block is disposed adjacent to the mounting groove, and the tool holder is provided with at least two docking grooves, each of the docking grooves being disposed adjacent to each of the tool grooves;

[0012] When the transfer drive assembly drives the tool holder to move to the bottom of the carrier and inserts the docking block into the docking slot, the tool slot and the mounting slot are aligned, the blade in the tool slot is inserted into the mounting slot, or the blade released by the locking assembly falls into the empty tool slot.

[0013] Optionally, the cutting board drive assembly includes two longitudinal beams and a cutting board drive module. The two longitudinal beams are arranged vertically, and the inner sides of the two longitudinal beams are provided with sliding grooves. The carrier is disposed between the two longitudinal beams, and the carrier is provided with two sliders that cooperate with the sliding grooves. The cutting board drive module is connected to the longitudinal beams and is used to drive the carrier to move up and down.

[0014] Optionally, the cutting device includes at least one of the following:

[0015] The carrier has a support plate on its side wall, and the support plate has at least one movable hole. The transfer drive assembly is connected to the support plate, and the top of the tool holder passes through the movable hole and is connected to the transfer drive assembly.

[0016] The transfer drive assembly includes at least one first translation drive assembly and at least one first lifting drive assembly. The first translation drive assembly is connected to the tool holder and is used to drive the tool holder to move in the horizontal direction. The first lifting drive assembly is connected to the first translation drive assembly and is used to drive the first translation drive assembly and the tool holder to move in the vertical direction.

[0017] The first translation drive assembly includes two horizontal guide rails and a first drive module. Each of the horizontal guide rails is arranged in a horizontal direction. The tool holder is slidably connected between the two horizontal guide rails. The first drive module is connected to the horizontal guide rails and is used to drive the tool holder to move along the horizontal guide rails.

[0018] The first lifting drive assembly includes two vertical guide rails and a second drive module. Each vertical guide rail is arranged in a vertical direction, and the end of each vertical guide rail is fixed to the bearing plate. Each horizontal guide rail is slidably connected to each vertical guide rail. The second drive module is connected to the vertical guide rail and is used to drive the two horizontal guide rails and the tool holder to move up and down along the vertical guide rails.

[0019] Optionally, the cutting device further includes a transmitter, a light receiver, and a controller. The transmitter and the light receiver are fixed to the bottom of the carrier. The transmitter is configured to emit light onto the board to be cut. The light receiver is configured to receive the light reflected from the board and detect retroreflection data. The controller is connected to the transmitter, the light receiver, the cutting mechanism, and the blade changing mechanism. The controller is configured to control the blade changing mechanism to replace the blade on the carrier with a blade that matches the retroreflection data based on different retroreflection data.

[0020] Optionally, the cutting device further includes a feeding mechanism disposed on one side of the cutting mechanism. The feeding mechanism is configured to transport the board to be cut to below the carrier, or to transport the cut board to the next workstation; and / or,

[0021] The feeding mechanism includes a suction cup assembly and a feeding drive assembly. The feeding drive assembly is configured to drive the suction cup assembly to pick up the sheet material at the material picking station and to transport the sheet material picked up by the suction cup assembly to the underside of the carrier.

[0022] Optionally, the cutting device includes at least one of the following:

[0023] The suction cup assembly includes a connecting plate and a plurality of suction cups. The upper surface of the connecting plate is connected to the feeding drive assembly, and the plurality of suction cups are connected to the lower surface of the connecting plate.

[0024] The feeding drive assembly includes a second translation drive assembly and a second lifting drive assembly. The second lifting drive assembly is connected to the suction cup assembly and is used to drive the suction cup assembly to move up and down. The second translation drive assembly is connected to the second lifting drive assembly and is used to drive the second lifting drive assembly and the suction cup assembly to move horizontally.

[0025] The second translation drive assembly includes a support frame and a third drive module. The support frame has a through hole arranged in a horizontal opposite direction. The second lifting drive assembly passes through the through hole and is slidably connected to the support frame. The third drive module is connected to the support frame and is used to drive the second lifting drive assembly to move horizontally along the through hole.

[0026] The second lifting drive assembly includes a lifting housing, a sliding rod, and a fourth drive module. The lifting housing passes through the perforation and is slidably connected to the support frame. The sliding rod is movably connected to the lifting housing in the vertical direction, and the end of the sliding rod is connected to the suction cup assembly. The fourth drive module is connected to the lifting housing and is used to drive the sliding rod and the suction cup assembly to move up and down.

[0027] Optionally, the cutting device further includes a workbench, the cutting mechanism is connected to the workbench, the workbench has a support surface for supporting the board, and the support surface has a cutting slit corresponding to the blade of the carrier.

[0028] Optionally, the bottom of the carrier is provided with at least one buffer member, which is configured to elastically abut against the worktable when the cutting drive assembly drives the carrier to cut the board.

[0029] The cutting device of this invention can automatically cut boards through the cutting mechanism and automatically change blades through the blade changing mechanism. It has a high degree of automation, improves the efficiency of cutting boards and changing blades, and can save on manual blade changing costs. Attached Figure Description

[0030] Figure 1 This is a three-dimensional structural diagram of the cutting device of this application.

[0031] Figure 2 This is a side view of the cutting device of this application.

[0032] Figure 3 This is a partially enlarged schematic diagram of the carrier of this application.

[0033] Figure 4 This is a partially enlarged schematic diagram of the tool holder of this application.

[0034] Figure 5 This is a schematic diagram of the transfer driver component of this application.

[0035] Figure 6 This is a schematic diagram of the transmitter and optical receiver of this application. Detailed Implementation

[0036] The following specific embodiments illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification.

[0037] In the following description, reference is made to the accompanying drawings, which illustrate several embodiments of the present application. It should be understood that other embodiments may also be used, and changes in mechanical composition, structure, electrical and operational aspects may be made without departing from the spirit and scope of the present application. The following detailed description should not be considered limiting, and the terminology used herein is for describing particular embodiments only and is not intended to limit the present application.

[0038] Although the terms first, second, etc., are used in some instances to describe various elements herein, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

[0039] Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well, unless the context indicates otherwise. It should be further understood that the terms “comprising,” “including,” indicate the presence of a feature, step, operation, element, component, item, kind, and / or group, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition arise only when combinations of elements, functions, steps, or operations are inherently mutually exclusive in some way.

[0040] Figure 1 This is a three-dimensional structural diagram of the cutting device of this application. Figure 2 This is a side view of the cutting device of this application, as shown in the schematic diagram. Figure 1 and Figure 2 As shown, the cutting device includes:

[0041] The cutting mechanism 10 includes a carrier 11, a blade 12, a locking assembly 13, and a cutting drive assembly 14. The blade 12 and the locking assembly 13 are mounted on the bottom of the carrier 11. The locking assembly 13 is used to lock or unlock the blade 12. The cutting drive assembly 14 is configured to drive the carrier 11 to move up and down to perform cutting operations.

[0042] The tool changing mechanism 20 includes a tool holder 21 and a transfer drive assembly 22. The tool holder 21 is provided with at least two tool slots 201, and at least one tool slot 201 is loaded with a blade 12. The transfer drive assembly 22 is configured to drive the tool holder 21 to move under the carrier 11 to perform a tool changing operation.

[0043] When the transfer drive assembly 22 performs a blade change operation, it drives the blade holder 21 to move below the carrier 11. The unlocked blade 12, released by the locking assembly 13, falls into one blade slot 201, and the locking assembly 13 locks the blade 12 in the other blade slot 201. In this embodiment, the cutting mechanism 10 is used to cut sheet metal, such as reflective film signs or license plates, but is not limited thereto.

[0044] The cutting device of this application can automatically cut the board through the cutting mechanism 10 and automatically change the blade through the blade changing mechanism 20. It has a high degree of automation, improves the efficiency of cutting and changing the blade, and can save the cost of manual blade changing.

[0045] Optionally, Figure 3 This is a partially enlarged schematic diagram of the carrier of this application, as shown below. Figure 3 As shown, the carrier 11 includes a bottom surface 111 and at least one mounting groove 101 penetrating the bottom surface 111, and the blade 12 is at least partially inserted into the mounting groove 101; the locking assembly 13 includes at least one pressing block 131 and at least one locking driver 132 that drives the pressing block 131 to move telescopically, and the pressing block 131 is disposed in the mounting groove 101.

[0046] When the locking assembly 13 locks the blade 12, the locking driver 132 drives the abutment block 131 to abut against the blade 12;

[0047] When the locking assembly 13 unlocks the blade 12, the locking actuator 132 drives the abutment block 131 away from the blade 12. In this embodiment, the abutment block 131 is elongated and can abut against the surface of the blade 12 to lock the blade 12.

[0048] Optionally, the locking assembly 13 includes at least two pressing blocks 131 and at least two locking actuators 132 that drive the pressing blocks 131 to move telescopically, with the plurality of pressing blocks 131 arranged at intervals along the length of the blade 12.

[0049] Optionally, the locking actuator 132 may be a cylinder, hydraulic cylinder, or motor drive structure, but is not limited thereto.

[0050] In other embodiments, the locking assembly 13 includes at least two telescopic shafts and at least two locking drivers 132. The blade 12 is provided with at least two first positioning holes, and the groove wall of the mounting groove 101 is provided with at least two second positioning holes. Each first positioning hole is corresponding to each second positioning hole, and each locking driver 132 is used to drive each telescopic shaft to move telescopically.

[0051] When the locking assembly 13 locks the blade 12, each locking driver 132 drives each telescopic shaft to insert into each first positioning hole and each second positioning hole;

[0052] When the locking assembly 13 unlocks the blade 12, each locking driver 132 drives each telescopic shaft to move out of each first positioning hole and each second positioning hole.

[0053] Optionally, Figure 4 This is a partially enlarged schematic diagram of the tool holder of this application, as shown below. Figure 3 and Figure 4 As shown, the bottom surface 111 is provided with at least one docking block 112, the docking block 112 is arranged adjacent to the mounting groove 101, and the tool holder 21 is provided with at least two docking grooves 202, each docking groove 202 is arranged adjacent to each tool groove 201;

[0054] When the transfer drive assembly 22 drives the tool holder 21 to the bottom of the carrier 11 and inserts the docking block 112 into the docking slot 202, the tool slot 201 is positioned opposite the mounting slot 101. The blade 12 in the tool slot 201 is inserted into the mounting slot 101, or the blade 12 unlocked by the locking assembly 13 falls into the empty tool slot 201.

[0055] Specifically, the tool changing mechanism 20 performs the following tool changing process:

[0056] First, the transfer drive assembly 22 drives the tool holder 21, causing the docking block 112 to be inserted into the docking slot 202, and the locked blade 12, which is then unlocked by the locking assembly 13, falls into the empty tool slot 201.

[0057] Then, the transfer drive assembly 22 drives the tool holder 21, causing the docking block 112 to be removed from the docking groove 202;

[0058] Then, the transfer drive assembly 22 drives the tool holder 21, so that the docking block 112 is inserted into another docking slot 202. At this time, the blade 12 in the adjacent tool slot 201 of the docking slot 202 is inserted into the mounting slot 101, and the locking assembly 13 releases the blade 12.

[0059] Finally, the transfer drive assembly 22 drives the tool holder 21 to reset.

[0060] Optionally, such as Figure 2 and Figure 4 As shown, the tool holder 21 includes a tool holder 211 and at least one connecting post 212. Multiple mating grooves 202 and multiple tool slots 201 are disposed on the tool holder 211. The end of the connecting post 212 is fixed to the tool holder 211. The connecting post 212 is arranged in a vertical direction.

[0061] Optionally, such as Figure 1As shown, the cutting board drive assembly 14 includes two longitudinal beams 141 and a cutting board drive module 142. The two longitudinal beams 141 are arranged vertically, and the inner sides of the two longitudinal beams 141 are provided with grooves 103. The carrier 11 is disposed between the two longitudinal beams 141, and the carrier 11 is provided with two sliders that cooperate with the grooves 103. The cutting board drive module 142 is connected to the longitudinal beams 141 and is used to drive the carrier 11 to move up and down. When it is necessary to cut the board, the cutting board drive module 142 drives the carrier 11 to descend so that the blade 12 cuts the board.

[0062] Optionally, the cutting board drive module 142 includes a cutting board servo motor and a lead screw. The lead screw is arranged in a vertical direction, and the slider is provided with a threaded hole. The lead screw passes through the threaded hole and is engaged with the threaded structure of the threaded hole. The cutting board servo motor drives the lead screw to rotate in both directions, thereby causing the carrier 11 to move up and down.

[0063] In another embodiment, the cutting board drive module 142 includes a cutting board drive cylinder and a drive shaft. One end of the drive shaft is connected to the cutting board drive cylinder, and the other end of the drive shaft is connected to the carrier 11. The cutting board drive cylinder drives the carrier 11 to move up and down through the drive shaft.

[0064] Optionally, Figure 5 This is a schematic diagram of the transfer drive assembly of this application. As shown in the figure, the side wall of the carrier 11 is provided with a support plate 113, and the support plate 113 is provided with at least one movable hole 102, such as... Figure 1 and Figure 5As shown, the transfer drive assembly 22 is connected to the support plate 113, and the top of the tool holder 21 (connecting post 212) passes through the movable hole 102 and is connected to the transfer drive assembly 22. In this embodiment, the transfer drive assembly 22 can drive the tool holder 21 to move up and down and to move the tool holder 21 horizontally. When a tool needs to be changed, the transfer drive assembly 22 drives the tool holder 21 to descend. The transfer drive assembly 22 drives the tool holder 21 to move horizontally until the part with the tool groove 201 moves to the bottom of the carrier 11. At this time, the docking block 112 at the bottom of the carrier 11 is directly opposite a docking groove 202, and the tool groove 201 adjacent to the docking groove 202 is not equipped with a blade 12. The transfer drive assembly 22 drives the tool holder 21 to rise until the docking block 112 is inserted into the docking groove 202. At this time, the blade 12 unlocked by the locking assembly 13 falls into the empty tool groove 201. The transfer drive assembly 22 drives the tool holder 21 to rise until the docking block 112 is inserted into the docking groove 202. At this time, the blade 12 is unlocked by the locking assembly 13 and falls into the empty tool groove 201. Action 5: The transfer drive assembly 22 drives the tool holder 21 to descend until the docking block 112 disengages from the docking slot 202; Action 6: The transfer drive assembly 22 drives the tool holder 21 to translate until the docking block 112 is aligned with another docking slot 202, and a new blade 12 is provided in the tool slot 201 adjacent to the docking slot 202; Action 7: The transfer drive assembly 22 drives the tool holder 21 to rise until the docking block 112 is inserted into the docking slot 202, at which time the locking assembly 13 locks the blade 12 in the tool slot 201; Action 8: The transfer drive assembly 22 drives the tool holder 21 to descend until the docking block 112 disengages from the docking slot 202; Action 9: The transfer drive assembly 22 drives the tool holder 21 to translate and then rise, at which point the tool holder 21 returns to its initial position.

[0065] Optionally, such as Figure 5 As shown, the transfer drive assembly 22 includes at least one first translation drive assembly 221 and at least one first lifting drive assembly 223. The first translation drive assembly 221 is connected to the tool holder 21 and is used to drive the tool holder 21 to move in the horizontal direction. The first lifting drive assembly 223 is connected to the first translation drive assembly 221 and is used to drive the first translation drive assembly 221 and the tool holder 21 to move in the vertical direction.

[0066] Optionally, such as Figure 1 As shown, the transfer drive assembly 22 includes two first translation drive assemblies 221 and two first lifting drive assemblies 223. The support plate 113 is provided with two movable holes 102. The two connecting columns 212 of the tool holder 21 are respectively arranged through the two movable holes 102. One first translation drive assembly 221 and one first lifting drive assembly 223 drive one connecting column 212, and the other first translation drive assembly 221 and the other first lifting drive assembly 223 drive the other connecting column 212.

[0067] Optionally, such as Figure 5As shown, the first translation drive assembly 221 includes two horizontal guide rails 2211 and a first drive module 2212. Each horizontal guide rail 2211 is arranged horizontally. The tool holder 21 is slidably connected between the two horizontal guide rails 2211. The first drive module 2212 is connected to the horizontal guide rails 2211 and is used to drive the tool holder 21 to move along the horizontal guide rails 2211. In this embodiment, the first drive module 2212 includes a first servo motor and a first lead screw. The first servo motor is connected to the first lead screw, and the first lead screw is connected to the tool holder 21 through a threaded structure. The first servo motor drives the first lead screw to rotate forward and backward, causing the tool holder 21 to reciprocate along the horizontal guide rails 2211.

[0068] Optionally, such as Figure 5 As shown, the first lifting drive assembly 223 includes two vertical guide rails 2231 and a second drive module 2232. Each vertical guide rail 2231 is arranged vertically, and its end is fixed to the support plate 113. Each horizontal guide rail 2211 is slidably connected to each vertical guide rail 2231. The second drive module 2232 is connected to the vertical guide rails 2231 and is used to drive the two horizontal guide rails 2211 and the tool holder 21 to move up and down along the vertical guide rails 2231. In this embodiment, the second drive module 2232 includes a second servo motor and a second lead screw. The second servo motor is connected to the second lead screw, and the second lead screw is connected to the horizontal guide rails 2211 via a threaded structure. The second servo motor drives the second lead screw to rotate forward and backward, causing the horizontal guide rails 2211 and the tool holder 21 to move up and down along the vertical guide rails 2231.

[0069] Optionally, Figure 6 This is a schematic diagram of the transmitter and optical receiver of this application, as shown below. Figure 6 As shown, the cutting device also includes a transmitter 30, a light receiver 40, and a controller (not shown). The transmitter 30 and the light receiver 40 are fixed to the bottom of the carrier 11. The transmitter 30 is configured to emit light onto the board to be cut, and the light receiver 40 is configured to receive the light reflected from the board and detect retroreflection data. The controller is connected to the transmitter 30, the light receiver 40, the cutting mechanism 10, and the blade changing mechanism 20, respectively. The controller is configured to control the blade changing mechanism 20 to replace the blade 12 on the carrier 11 with a blade 12 that matches the retroreflection data according to different retroreflection data. In this embodiment, the retroreflection data detected by the light receiver 40 can identify different types and / or different thicknesses of metal boards to be cut, such as identifying the board to be cut as prism film, engineering film, advertising film, etc., but it is not limited to this. The blade changing mechanism 20 is controlled to replace the blade 12 that matches the identified board. When the light receiver 40 detects specific retroreflection data, the blade changing mechanism 20 starts the blade changing action.

[0070] Optionally, such as Figure 1 and Figure 2 As shown, the cutting device also includes a feeding mechanism 50, which is disposed on one side of the cutting mechanism 10. The feeding mechanism 50 is configured to transport the board to be cut to the underside of the carrier 11, or to transport the cut board to the next workstation. In this embodiment, the feeding mechanism 50 is used for automated board transport, which has a high degree of automation and is beneficial to improving production efficiency.

[0071] Optionally, such as Figure 1 and Figure 2 As shown, the feeding mechanism 50 includes a suction cup assembly 51 and a feeding drive assembly 52. ​​The feeding drive assembly 52 is configured to drive the suction cup assembly 51 to pick up the board at the picking station and to transport the board picked up by the suction cup assembly 51 to the underside of the carrier 11, or to transport the cut board to the next station. In this embodiment, the feeding drive component 52 can drive the suction cup component 51 to move up and down and to translate horizontally. When it is necessary to transport the board, the following actions are performed: First, the feeding drive component 52 drives the suction cup component 51 to translate above the cut board; Second, the feeding drive component 52 drives the suction cup component 51 to descend until the suction cup component 51 adheres to the board; Third, the feeding drive component 52 drives the suction cup component 51 to rise to a set height; Fourth, the feeding drive component 52 drives the suction cup component 51 to translate to the next workstation; Fifth, the feeding drive component 52 drives the suction cup component 51 to descend until the suction cup component 51 places the board at that workstation; Sixth, the feeding drive component 52 drives the suction cup component 51 to reset.

[0072] The suction cup assembly 51 of this application can be adsorbed onto the surface of the board, so that the board is subjected to uniform force and avoids deformation of the board due to uneven force during the transfer of the board.

[0073] Optionally, such as Figure 2 As shown, the suction cup assembly 51 includes a connecting plate 511 and a plurality of suction cups 512. The upper surface of the connecting plate 511 is connected to the feeding drive assembly 52, and the plurality of suction cups 512 are connected to the lower surface of the connecting plate 511. In this embodiment, the plurality of suction cups 512 are arranged in a matrix, which can effectively prevent the sheet material from bending and deforming.

[0074] Optionally, such as Figure 1 and Figure 2 As shown, the feeding drive assembly 52 includes a second translation drive assembly 521 and a second lifting drive assembly 522. The second lifting drive assembly 522 is connected to the suction cup assembly 51 and is used to drive the suction cup assembly 51 to move up and down. The second translation drive assembly 521 is connected to the second lifting drive assembly 522 and is used to drive the second lifting drive assembly 522 and the suction cup assembly 51 to move in the horizontal direction.

[0075] Optionally, such as Figure 1 and Figure 2 As shown, the second translation drive assembly 521 includes a support frame 5211 and a third drive module 5212. The support frame 5211 has a through hole 501 arranged in opposite directions along the horizontal direction. The second lifting drive assembly 522 is disposed through the through hole 501 and slidably connected to the support frame 5211. The third drive module 5212 is connected to the support frame 5211 and is used to drive the second lifting drive assembly 522 to move horizontally along the through hole 501. In this embodiment, the third drive module 5212 includes a third servo motor and a third lead screw. The third servo motor is connected to the third lead screw, and the third lead screw is connected to the second lifting drive assembly 522 through a threaded structure. The third servo motor drives the third lead screw to rotate forward and backward, causing the second lifting drive assembly 522 and the suction cup assembly 51 to move horizontally.

[0076] Optionally, such as Figure 1 and Figure 2 As shown, the second lifting drive assembly 522 includes a lifting housing 5221, a sliding rod 5222, and a fourth drive module 5223. The lifting housing 5221 is disposed through a through hole 501 and is slidably connected to a support frame 5211. The sliding rod 5222 is movably connected to the lifting housing 5221 in the vertical direction, and its end is connected to a suction cup assembly 51. The fourth drive module 5223 is connected to the lifting housing 5221 and is used to drive the sliding rod 5222 and the suction cup assembly 51 to move up and down. In this embodiment, the fourth drive module 5223 includes a fourth servo motor and a fourth lead screw. The fourth servo motor is connected to the fourth lead screw, and the fourth lead screw is connected to the sliding rod 5222 through a threaded structure. The fourth servo motor drives the fourth lead screw to rotate forward and backward, thereby causing the sliding rod 5222 to move up and down.

[0077] Optionally, such as Figure 1 and Figure 2 As shown, the cutting device also includes a worktable 60, on which the cutting mechanism 10 is connected. The worktable 60 has a support surface 61 for carrying the board 113 material, and the support surface 61 has a cutting slit 601 corresponding to the blade 12 of the carrier 11. When the cutting mechanism 10 cuts the board, the blade 12 on the carrier 11 is aligned with the cutting slit 601, and the cutting drive assembly 14 drives the carrier 11 to descend and cut the board. In this embodiment, the support frame 5211 of the feeding mechanism 50 is fixed on the worktable 60.

[0078] Optionally, the bottom of the carrier 11 is provided with at least one buffer 114, which is configured to elastically abut against the worktable 60 when the cutting drive assembly 14 drives the carrier 11 to cut the board.

[0079] Optionally, the carrier 11 is also provided with a buffer 115, which is used to start the cutting board drive assembly 14.

[0080] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Furthermore, the structures or structural features involved can be arbitrarily combined and superimposed. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this application. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this application should still be covered by the claims of this application.

Claims

1. A cutting device, characterized in that, include: A cutting mechanism includes a carrier, a blade, a locking assembly, and a cutting drive assembly. The blade and the locking assembly are mounted on the bottom of the carrier. The locking assembly is used to lock or unlock the blade. The cutting drive assembly is configured to drive the carrier to move up and down to perform cutting operations. as well as A tool changing mechanism includes a tool holder and a transfer drive assembly. The tool holder has at least two tool slots, at least one of which is loaded with the blade. The transfer drive assembly is configured to drive the tool holder to move under the carrier to perform a tool changing operation. When the transfer drive assembly performs a tool change operation, the transfer drive assembly drives the tool holder to move below the carrier, the unlocked blade falls into one of the tool slots, and the locking assembly locks the blade in the other tool slot.

2. The cutting device as described in claim 1, characterized in that, The carrier includes a bottom surface and at least one mounting groove penetrating the bottom surface, and the blade is at least partially inserted into the mounting groove; the locking assembly includes at least one pressing block and at least one locking actuator for driving the pressing block to extend and retract, and the pressing block is disposed in the mounting groove; When the locking assembly locks the blade, the locking driver causes the pressing block to abut against the blade; When the locking assembly unlocks the blade, the locking actuator drives the abutment block away from the blade.

3. The cutting device as described in claim 2, characterized in that, The bottom surface is provided with at least one docking block, the docking block is arranged adjacent to the mounting groove, and the tool holder is provided with at least two docking grooves, each docking groove is arranged adjacent to each tool groove. When the transfer drive assembly drives the tool holder to move to the bottom of the carrier and inserts the docking block into the docking slot, the tool slot and the mounting slot are aligned, the blade in the tool slot is inserted into the mounting slot, or the blade released by the locking assembly falls into the empty tool slot.

4. The cutting device as described in claim 1, characterized in that, The cutting board drive assembly includes two longitudinal beams and a cutting board drive module. The two longitudinal beams are arranged vertically, and the inner sides of the two longitudinal beams are provided with sliding grooves. The carrier is disposed between the two longitudinal beams, and the carrier is provided with two sliders that cooperate with the sliding grooves. The cutting board drive module is connected to the longitudinal beams and is used to drive the carrier to move up and down.

5. The cutting device according to any one of claims 1 to 4, characterized in that, Includes at least one of the following: The carrier has a support plate on its side wall, and the support plate has at least one movable hole. The transfer drive assembly is connected to the support plate, and the top of the tool holder passes through the movable hole and is connected to the transfer drive assembly. The transfer drive assembly includes at least one first translation drive assembly and at least one first lifting drive assembly. The first translation drive assembly is connected to the tool holder and is used to drive the tool holder to move in the horizontal direction. The first lifting drive assembly is connected to the first translation drive assembly and is used to drive the first translation drive assembly and the tool holder to move in the vertical direction. The first translation drive assembly includes two horizontal guide rails and a first drive module. Each of the horizontal guide rails is arranged in a horizontal direction. The tool holder is slidably connected between the two horizontal guide rails. The first drive module is connected to the horizontal guide rails and is used to drive the tool holder to move along the horizontal guide rails. The first lifting drive assembly includes two vertical guide rails and a second drive module. Each vertical guide rail is arranged in a vertical direction, and the end of each vertical guide rail is fixed to the bearing plate. Each horizontal guide rail is slidably connected to each vertical guide rail. The second drive module is connected to the vertical guide rail and is used to drive the two horizontal guide rails and the tool holder to move up and down along the vertical guide rails.

6. The cutting device according to any one of claims 1 to 4, characterized in that, The cutting device further includes a transmitter, a light receiver, and a controller. The transmitter and the light receiver are fixed to the bottom of the carrier. The transmitter is configured to emit light onto the board to be cut. The light receiver is configured to receive the light reflected from the board and detect retroreflection data. The controller is connected to the transmitter, the light receiver, the cutting mechanism, and the blade changing mechanism. The controller is configured to control the blade changing mechanism to replace the blade on the carrier with a blade that matches the retroreflection data based on different retroreflection data.

7. The cutting device according to any one of claims 1 to 4, characterized in that, The cutting device further includes a feeding mechanism disposed on one side of the cutting mechanism. The feeding mechanism is configured to transport the board to be cut to below the carrier, or to transport the cut board to the next workstation; and / or, The feeding mechanism includes a suction cup assembly and a feeding drive assembly. The feeding drive assembly is configured to drive the suction cup assembly to pick up the sheet material at the material picking station and to transport the sheet material picked up by the suction cup assembly to the underside of the carrier.

8. The cutting device as described in claim 7, characterized in that, Includes at least one of the following: The suction cup assembly includes a connecting plate and a plurality of suction cups. The upper surface of the connecting plate is connected to the feeding drive assembly, and the plurality of suction cups are connected to the lower surface of the connecting plate. The feeding drive assembly includes a second translation drive assembly and a second lifting drive assembly. The second lifting drive assembly is connected to the suction cup assembly and is used to drive the suction cup assembly to move up and down. The second translation drive assembly is connected to the second lifting drive assembly and is used to drive the second lifting drive assembly and the suction cup assembly to move horizontally. The second translation drive assembly includes a support frame and a third drive module. The support frame has a through hole arranged in a horizontal opposite direction. The second lifting drive assembly passes through the through hole and is slidably connected to the support frame. The third drive module is connected to the support frame and is used to drive the second lifting drive assembly to move horizontally along the through hole. The second lifting drive assembly includes a lifting housing, a sliding rod, and a fourth drive module. The lifting housing passes through the perforation and is slidably connected to the support frame. The sliding rod is movably connected to the lifting housing in the vertical direction, and the end of the sliding rod is connected to the suction cup assembly. The fourth drive module is connected to the lifting housing and is used to drive the sliding rod and the suction cup assembly to move up and down.

9. The cutting device according to any one of claims 1 to 4, characterized in that, The cutting device further includes a workbench, the cutting mechanism is connected to the workbench, the workbench has a support surface for supporting the board, and the support surface is provided with a cutting slit corresponding to the blade of the carrier.

10. The cutting device as described in claim 9, characterized in that, The bottom of the carrier is provided with at least one buffer member, which is configured to elastically abut against the worktable when the cutting drive assembly drives the carrier to cut the board.

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