Paperboard die cutting device

Abstract

The invention relates to the field of die cutting devices, in particular to a paperboard die cutting device which comprises a rack, a conveying belt is arranged on the rack, the conveying belt is driven by a conveying motor to rotate, vertical plates are fixed to the positions, on the two sides of the conveying belt, of the rack, feeding devices are arranged on the vertical plates, and each feeding device comprises a lead screw. The screw rod is driven by a feeding motor to rotate, a feeding plate is further arranged on the screw rod, the screw rod penetrates through the feeding plate and is in threaded connection with the feeding plate, a sliding rod is further fixed to the vertical plate, the sliding rod penetrates through the feeding plate and is in sliding connection with the feeding plate, and a plurality of die cutters are further arranged above the conveying belt. Feeding rods are fixed to the two ends of the die-cutting knife, feeding grooves are formed in the positions, corresponding to the feeding rods, of the feeding plate, the feeding rods are arranged in the feeding grooves in the corresponding positions, and a positioning groove penetrating through the vertical plate is further formed in the vertical plate. The paperboard cutting device can cut paperboards.

Description

Technical Field

[0001] The invention relates to the field of die-cutting devices, in particular to a cardboard die-cutting device. Background Art

[0002] Die-cutting machine is also called die-cutting machine, cutting machine, CNC punching machine, mainly used for die-cutting (full cutting, half cutting), creasing and hot stamping, laminating, automatic waste discharge of some corresponding non-metallic materials, self-adhesive, EVA, double-sided adhesive, electronics, mobile phone rubber pads, etc. Die-cutting machine uses steel knife, hardware mold, steel wire (or template carved from steel plate), and applies a certain pressure through the stamping plate to roll and cut the printed product or cardboard into a certain shape. It is an important equipment for post-printing packaging processing and molding.

[0003] Patent application number: CN202222671634.2 discloses a die-cutting mechanism of a die-cutting machine, including a workbench and a driving mechanism, the left and right ends of the workbench are fixedly connected with a fourth bearing seat, the fourth bearing seat is internally rotatably connected with a second threaded rod, the second threaded rod is located at the rear end of the driving mechanism, the circumferential surface of the second threaded rod is threadedly connected with a support frame, the support frame is slidably connected to the workbench, the upper end of the support frame is rotatably connected with a rotating cylinder, the internal thread of the rotating cylinder is connected to the first threaded rod, the lower end of the first threaded rod is fixedly connected with a movable plate, the movable plate is slidably connected to the support frame, the interior of the movable plate is fixedly connected with a die-cutting blade, and cutting is performed by the die-cutting knife. However, since the die-cutting knife is fixed on the movable plate, when it is necessary to die-cut the cardboard into other shapes, the original die-cutting blade needs to be removed, and then the die-cutting blade to be installed is installed, which makes the entire die-cutting blade inconvenient to use.

[0004] The present invention is proposed in view of the deficiencies in the prior art. Summary of the invention

[0005] The purpose of the present invention is to overcome the above-mentioned disadvantages of the prior art and provide a cardboard die-cutting device.

[0006] The present invention can be implemented by the following technical solutions:

[0007] The present invention discloses a cardboard die-cutting device, comprising a frame, a conveyor belt is arranged on the frame, the conveyor belt is driven to rotate by a conveying motor, vertical plates are fixed on the frames on both sides of the conveyor belt, feeding devices are arranged on the vertical plates, the feeding device comprises a screw rod, the screw rod is driven to rotate by a feeding motor, a feeding plate is also arranged on the screw rod, the screw rod passes through the feeding plate and is threadedly connected to the feeding plate, a sliding rod is also fixed on the vertical plate, the sliding rod passes through the feeding plate and is slidably connected to the feeding plate, a plurality of die-cutting knives are also arranged above the conveyor belt, feeding rods are fixed at both ends of the die-cutting knives, feeding grooves are arranged on the feeding plate at positions corresponding to the feeding rods, and the feeding The rod is arranged in the feeding trough at the corresponding position, and the vertical plate is also provided with a positioning groove penetrating the vertical plate, the feeding rod passes through the positioning groove and is slidably connected with the positioning groove, and a limiting groove penetrating the vertical plate is also provided below the positioning groove, and a limiting cylinder is fixed on the vertical plate below the positioning groove, and the end of the piston rod of the limiting cylinder is fixed to the limiting plate, and a top plate is also fixed on the frame, and multiple die-cutting cylinders are fixed on the top plate, and the ends of the piston rods of the die-cutting cylinders are fixed to the fixed plate, and multiple lifting cylinders are also fixed on the fixed plate, and the ends of the piston rods of the lifting cylinders are fixed to the mounting plate, and hooks are symmetrically fixed on both sides of the bottom of the mounting plate, and the hooks are provided with slots. Adjust the position of the two feeding plates according to the die-cutting knife to be used, drive the screw rod to rotate through the feeding motor, the feeding plate moves in the direction of the screw rod, and each feeding rod moves with the feeding plate. After the feeding rod moves to the specified position, the lifting cylinder starts, the piston rod on the lifting cylinder extends, and the hook descends. When the slot of the hook reaches the position opposite to the feeding rod, the feeding motor drives the screw rod to rotate again, and the feeding rod corresponding to the position of the die-cutting knife continues to move with the feeding plate. After the feeding rods on both sides of the die-cutting knife are stuck in the slot, the feeding motor stops, the limit cylinder starts, the piston rod on the limit cylinder shortens, the limit plate and the limit slot are separated, and the cardboard to be cut moves with the conveyor belt. When the cutting position of the cardboard reaches directly below the die-cutting knife, the die-cutting cylinder starts, the piston rod on the die-cutting cylinder extends, the mounting plate descends, and the hook is The hook descends with the mounting plate, and the die-cutting knife descends with the hook, and the feeding rods on both sides of the die-cutting knife enter the limiting groove, and the die-cutting knife descends to cut the cardboard. When the die-cutting knife needs to be replaced, the piston rod of the die-cutting cylinder is shortened, and the feeding rod reaches the feeding groove of the feeding plate, the limiting cylinder is started again, and the piston rod of the limiting cylinder is extended. The limiting plate reaches the limiting groove position again to support the feeding rod, and the feeding motor drives the lead screw to rotate, and the feeding rod is separated from the hook, and the lifting cylinder is started. The piston rod on the lifting cylinder is shortened, the hook rises, and the hook returns to the initial position. The lead screw is driven to rotate by the feeding motor again to realize the transportation of the corresponding die-cutting knife and the coordination with the hook. The device can realize the cutting of the cardboard and the automatic replacement of the die-cutting blade, which is very convenient for replacing the die-cutting knife.

[0008] Preferably, the feed rods are all fixed with positioning blocks, the positioning blocks are all provided with positioning holes penetrating the positioning blocks, and the frame is also fixed with positioning rods used in conjunction with the positioning holes. When the die cutter descends to cut the cardboard, when the feed rod descends, the positioning rod passes through the positioning holes to limit the feed rod, thereby achieving precise cutting of the die cutter.

[0009] Preferably, a plurality of limit rods are fixed on the mounting plate, and the limit rods pass through the top plate and are slidably connected to the top plate.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] The device can realize cutting of cardboard and can realize automatic replacement of die-cutting blades, which is very convenient for replacing die-cutting blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0013] Figure 1 It is a structural schematic diagram of the present invention;

[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0016] In the figure: 1, frame; 2, conveyor belt; 3, conveying motor; 4, vertical plate; 5, feeding device; 6, feeding plate; 7, screw rod; 8, slide rod; 9, feeding motor; 10, feeding trough; 11, limit plate; 12, limit cylinder; 13, die cutting knife; 14, feeding rod; 15, positioning groove; 16, limit groove; 17, positioning block; 18, positioning hole; 19, positioning rod; 20, top plate; 21, die cutting cylinder; 22, fixing plate; 23, lifting cylinder; 24, mounting plate; 25, hook; 26, slot; 27, limit rod; DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below with reference to the accompanying drawings:

[0018] Embodiment 1:

[0019] like Figures 1 to 3As shown, the present embodiment discloses a cardboard die-cutting device, comprising a frame 1, a conveyor belt 2 is arranged on the frame 1, the conveyor belt 2 is driven to rotate by a conveying motor 3, vertical plates 4 are fixed on the frame 1 on both sides of the conveyor belt 2, and a feeding device 5 is arranged on the vertical plates 4, the feeding device 5 comprises a screw rod 7, the screw rod 7 is driven to rotate by a feeding motor 9, a feeding plate 6 is also arranged on the screw rod 7, the screw rod 7 passes through the feeding plate 6 and is threadedly connected to the feeding plate 6, a sliding rod 8 is also fixed on the vertical plate 4, the sliding rod 8 passes through the feeding plate 6 and is slidably connected to the feeding plate 6, a plurality of die-cutting knives 13 are also arranged above the conveyor belt 2, feeding rods 14 are fixed at both ends of the die-cutting knives 13, feeding grooves 10 are arranged on the feeding plate 6 at positions corresponding to the feeding rods 14, and the feeding rods 14 are arranged at corresponding positions. In the feeding trough 10 disposed in the machine, a positioning groove 15 penetrating the vertical plate 4 is also provided on the vertical plate 4, the feeding rod 14 passes through the positioning groove 15 and is slidably connected with the positioning groove 15, and a limiting groove 16 penetrating the vertical plate 4 is also provided below the positioning groove 15, and a limiting cylinder 12 is fixed on the vertical plate 4 below the positioning groove 15, and the end of the piston rod of the limiting cylinder 12 is fixed to the limiting plate 11, and a top plate 20 is also fixed on the frame 1, and a plurality of die-cutting cylinders 21 are fixed on the top plate 20, and the ends of the piston rods of the die-cutting cylinders 21 are fixed to the fixed plate 22, and a plurality of lifting cylinders 23 are also fixed on the fixed plate 22, and the ends of the piston rods of the lifting cylinders 23 are fixed to the mounting plate 24, and hooks 25 are symmetrically fixed on both sides of the bottom of the mounting plate 24, and the hooks 25 are provided with slots 26.The die cutter 13 used as needed adjusts the position of the two feeding plates 6, and the feeding motor 9 drives the screw rod 7 to rotate, and the feeding plate 6 moves in the direction of the screw rod 7, and each feeding rod 14 moves with the feeding plate 6. After the feeding rod 14 moves to the specified position, the lifting cylinder 23 is started, the piston rod on the lifting cylinder 23 is extended, and the hook 25 descends. When the slot 26 of the hook 25 reaches the position facing the feeding rod 14, the feeding motor 9 drives the screw rod 7 to rotate again, and the corresponding die cutter The feeding rod 14 at position 13 continues to move with the feeding plate 6. After the feeding rods 14 on both sides of the die-cutting knife 13 are inserted into the card slot 26, the feeding motor 9 stops, the limit cylinder 12 is started, the piston rod on the limit cylinder 12 is shortened, the limit plate 11 is separated from the limit slot 16, and the cardboard to be cut moves with the conveyor belt 2. When the cutting position on the cardboard reaches the bottom of the die-cutting knife 13, the die-cutting cylinder 21 is started, the piston rod on the die-cutting cylinder 21 is extended, the mounting plate 24 is lowered, and the hook 2 As the mounting plate 24 descends, the die cutter 13 descends along with the hook 25, and the feed rods 14 on both sides of the die cutter 13 enter the limit groove 16, and the die cutter 13 descends to cut the cardboard. When the die cutter 13 needs to be replaced, the piston rod of the die cutter cylinder 21 shortens, and the feed rod 14 reaches the feed groove 10 of the feed plate 6. The limit cylinder 12 is started again, and the piston rod of the limit cylinder 12 extends. The limit plate 11 reaches the limit groove 16 again to press the feed rod 14. The feeding motor 9 drives the screw rod 7 to rotate, the feeding rod 14 is separated from the hook 25, the lifting cylinder 23 is started, the piston rod on the lifting cylinder 23 is shortened, the hook 25 rises, and the hook 25 returns to the initial position. The feeding motor 9 drives the screw rod 7 to rotate again to realize the corresponding die-cutting knife 13 being transported and matched with the hook 25. The device can realize the cutting of cardboard and the automatic replacement of the die-cutting knife 13, which is very convenient for replacing the die-cutting knife 13.

[0020] Among them, the feed rod 14 is fixed with a positioning block 17, and the positioning block 17 is provided with a positioning hole 18 penetrating the positioning block 17, and the frame 1 is also fixed with a positioning rod 19 used in conjunction with the positioning hole 18. When the die cutter 13 descends to cut the cardboard, when the feed rod 14 descends, the positioning rod 19 passes through the positioning hole 18 to limit the feed rod 14, so as to achieve accurate cutting of the die cutter 13.

[0021] Embodiment 2:

[0022] This embodiment discloses a cardboard die-cutting device. Based on the structure and principle of the first embodiment, a plurality of limit rods 27 are fixed on the mounting plate 24 of this embodiment. The limit rods 27 pass through the top plate 20 and are slidably connected to the top plate 20 .

[0023] The above are only preferred embodiments of the present invention. It should be pointed out that for ordinary technicians in this technical field, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the technical principles of the present invention. These changes, modifications, substitutions and variations should also be regarded as the scope of protection of the present invention.

Claims

1. A cardboard die-cutting device, comprising a frame, characterized in that: A conveyor belt is arranged on the frame, and the conveyor belt is driven to rotate by a conveying motor. Vertical plates are fixed on the frames on both sides of the conveyor belt, and feeding devices are arranged on the vertical plates. The feeding devices include a screw rod, and the screw rod is driven to rotate by a feeding motor. A feeding plate is also arranged on the screw rod, and the screw rod passes through the feeding plate and is threadedly connected to the feeding plate. A sliding rod is also fixed on the vertical plate, and the sliding rod passes through the feeding plate and is slidably connected to the feeding plate. A plurality of die-cutting knives are also arranged above the conveyor belt, and feeding rods are fixed at both ends of the die-cutting knives. Feeding grooves are arranged on the feeding plates at positions corresponding to the feeding rods, and the feeding rods are arranged on the feeding In the material trough, a positioning groove penetrating the vertical plate is also provided on the vertical plate, the feeding rod passes through the positioning groove and is slidably connected to the positioning groove, a limiting groove penetrating the vertical plate is also provided below the positioning groove, a limiting cylinder is fixed on the vertical plate below the positioning groove, the end of the piston rod of the limiting cylinder is fixed to the limiting plate, a top plate is also fixed on the frame, a plurality of die-cutting cylinders are fixed on the top plate, the ends of the piston rods of the die-cutting cylinders are fixed to the fixed plate, a plurality of lifting cylinders are also fixed on the fixed plate, the ends of the piston rods of the lifting cylinders are fixed to the mounting plate, hooks are symmetrically fixed on both sides of the bottom of the mounting plate, and slots are provided on the hooks.

2. The cardboard die-cutting device according to claim 1, characterized in that: A positioning block is fixed on each of the feeding rods, a positioning hole penetrating the positioning block is arranged on each of the positioning blocks, and a positioning rod used in conjunction with the positioning hole is also fixed on the frame.

3. The cardboard die-cutting device according to claim 1, characterized in that: A plurality of limiting rods are also fixed on the mounting plate, and the limiting rods pass through the top plate and are slidably connected to the top plate.

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