Die-cutting machine for paperboard production and capable of preventing edge curling of notch

Abstract

The utility model discloses a paperboard production die-cutting machine capable of preventing a notch from curling, which comprises a bottom frame, and a conveying belt is mounted at the top end of the bottom frame; the first gear drives two sets of second gears to rotate synchronously, the second gears drive fan-shaped tooth pieces connected with the second gears to rotate synchronously, rotation of the fan-shaped tooth pieces can drive a lifting column to move up and down in a reciprocating mode, when the lifting column descends, a lifting plate is driven to descend, then a cutter is driven to descend, and paper boards are sheared through the cutter. The lifting plate synchronously drives the telescopic column and the pressing plate to descend, so that the pressing plate can press a paperboard, the situation that the paperboard is curled during shearing can be effectively avoided, when the lifting column ascends, the cutter is driven to ascend, and the pressing plate is driven to ascend; when the paperboard is pressed, the spring has a recovery process, and in the process, the pressing plate is always in contact with the paperboard, so that the anti-curling effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cardboard production, and in particular relates to a die-cutting machine for cardboard production which can prevent cut edge curling. Background Art

[0002] Cardboard is also called paperboard. It is a thick paper sheet made of various pulps and interwoven fibers. The difference between cardboard and paper is usually distinguished by basis weight and thickness. Generally, cardboard with a basis weight of more than 250g / m and a thickness of more than 0.5mm is called cardboard. It is usually made of various plant fibers as raw materials, and non-plant fibers are also mixed in. It is made on a cardboard machine. Some special cardboards are also mixed with animal fibers such as wool or mineral fibers such as asbestos.

[0003] During the production and processing of cardboard, a die-cutting machine is used to cut the cardboard. When the existing die-cutting machines for cardboard production are used, the cardboard is cut directly by a cutter, and there is a lack of a limiting mechanism for the cardboard on both sides of the cutter. As a result, the cardboard is prone to curling at the cut after cutting, which affects the appearance and use of the cardboard and greatly reduces the yield of the cardboard.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies.

[0005] Therefore, in order to solve the above problems, the utility model provides a die-cutting machine for cardboard production which can prevent the edge curling of the cut. Utility Model Content

[0006] In order to overcome the above technical problems, the purpose of the utility model is to provide a die-cutting machine for cardboard production that prevents curling of cuts. The first gear drives two groups of second gears to rotate synchronously, and the second gear drives the fan-shaped tooth pieces connected thereto to rotate synchronously. The rotation of the fan-shaped tooth pieces can drive the lifting column to reciprocate up and down. When the lifting column descends, the lifting plate is driven to descend, and then the cutter is driven to descend, and the cardboard is sheared by the cutter. During this process, the lifting plate synchronously drives the telescopic column and the pressing plate to descend, so that the pressing plate can be pressed on the cardboard, which can effectively prevent the curling of the cardboard during shearing. When the lifting column rises, the cutter is driven to rise, and the pressing plate is driven to rise. Since the spring is in a compressed state when shearing, the spring will have a recovery process when the pressing plate rises. During this process, the pressing plate will always be in contact with the cardboard, thereby improving the anti-curling effect. After the shearing is completed, the pressing roller is driven to rotate by the second motor, and the rotation of the pressing roller can roll the cardboard, thereby further leveling the cut of the cardboard and improving the quality of the cardboard.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] The transmission mechanism is a kind of transmission mechanism that the transmission mechanism is a kind of transmission mechanism, and the transmission mechanism is a kind of transmission mechanism that the transmission mechanism is a kind of transmission mechanism, and the transmission mechanism is a kind of transmission mechanism that the transmission mechanism is a kind of transmission mechanism that the transmission mechanism is a kind of transmission mechanism that the transmission mechanism is a kind of transmission mechanism that the transmission mechanism is a kind of transmission mechanism. The second gear drives the connected fan-shaped tooth pieces to rotate synchronously, and the rotation of the fan-shaped tooth pieces can drive the lifting column to reciprocate up and down. When the lifting column descends, it drives the lifting plate to descend, and then drives the cutter to descend, and the cardboard is cut by the cutter. During this process, the lifting plate synchronously drives the telescopic column and the pressing plate to descend, so that the pressing plate can be pressed on the cardboard, which can effectively prevent the cardboard from curling when shearing. When the lifting column rises, it drives the cutter to rise, and drives the pressing plate to rise. Since the spring is in a compressed state when shearing, the spring will have a recovery process when the pressing plate rises. During this process, the pressing plate will always be in contact with the cardboard, thereby improving the anti-curling effect. After the shearing is completed, the pressing roller is driven to rotate by the second motor, and the rotation of the pressing roller can crush the cardboard, thereby further leveling the incision of the cardboard, thereby improving the quality of the cardboard.

[0009] Furthermore, the shearing mechanism also includes a first mounting frame fixedly mounted on the top end of the base frame, and the mounting plate is fixedly mounted on the first mounting frame.

[0010] Furthermore, the two groups of the second gears are both rotatably connected to one side of the mounting plate, a first motor is fixedly mounted on the other side of the mounting plate, and an output end of the first motor is connected to the first gear.

[0011] Furthermore, a connecting ring is sleeved and slidably connected on the lifting column, and the connecting ring is fixedly mounted on the mounting plate.

[0012] Furthermore, teeth are fixedly mounted on both sides of the connecting ring, and the sector-shaped teeth are meshingly connected with the teeth.

[0013] Furthermore, the flattening mechanism also includes a second mounting frame fixedly mounted on the top end of the base frame, and a hydraulic rod is fixedly mounted on the bottom end of the second mounting frame.

[0014] Furthermore, the mounting seat is installed at the output end of the hydraulic rod.

[0015] Furthermore, the output end of the second motor is connected to the pressure roller.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the utility model, cardboard is placed on a conveyor belt for transportation, and a first motor drives a first gear to rotate, and the first gear drives two sets of second gears to rotate synchronously, and the second gear drives the sector-shaped tooth pieces connected thereto to rotate synchronously, and the rotation of the sector-shaped tooth pieces can drive the lifting column to reciprocate up and down, and when the lifting column descends, the lifting plate is driven to descend, and then the cutter is driven to descend, and the cardboard is sheared by the cutter. In this process, the lifting plate synchronously drives the telescopic column and the pressing plate to descend, so that the pressing plate can be pressed on the cardboard, which can effectively prevent the curling of the cardboard during shearing, and when the lifting column rises When the shearing is completed, the pressing roller is driven to rotate by the second motor, and the rotation of the pressing roller can crush the cardboard, and further level the incision of the cardboard, thereby improving the quality of the cardboard. The height of the mounting seat can be adjusted by the hydraulic rod, and then the height of the pressing roller can be adjusted, so that the pressing roller can adapt to cardboards of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0020] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the planar structure of the shearing mechanism of the utility model.

[0022] Reference numerals:

[0023] 1. Base frame; 2. Conveyor belt; 3. Shearing mechanism; 301. First mounting frame; 302. Mounting plate; 303. First gear; 304. Second gear; 305. Rotating rod; 306. Fan-shaped gear; 307. Lifting column; 308. Connecting ring; 309. Gear; 310. Lifting plate; 311. Cutter; 312. Telescopic column; 313. Spring; 314. Pressing plate; 315. First motor; 4. Flattening mechanism; 401. Second mounting frame; 402. Hydraulic rod; 403. Mounting seat; 404. Pressing roller; 405. Second motor. DETAILED DESCRIPTION

[0024] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0025] See also Figure 1-3According to an embodiment of the utility model, a die-cutting machine for cardboard production to prevent curling of cut edges comprises a base frame 1, a conveyor belt 2 is installed at the top of the base frame 1, a shearing mechanism 3 and a flattening mechanism 4 are installed at the top of the base frame 1, the shearing mechanism 3 comprises a mounting plate 302, one side of the mounting plate 302 is rotatably connected to a first gear 303, both sides of the first gear 303 are meshedly connected to a second gear 304, one side of the second gear 304 is connected to a sector-shaped tooth piece 306 through a rotating rod 305, and a lifting column 30 is arranged between the two sets of sector-shaped tooth pieces 306. 7. A lifting plate 310 is fixedly installed at the bottom end of the lifting column 307, a cutter 311 is fixedly installed at the middle of the bottom end of the lifting plate 310, telescopic columns 312 are installed on both sides of the bottom end of the lifting plate 310, a spring 313 is sleeved and connected on the telescopic column 312, a pressing plate 314 is fixedly installed at the bottom end of the telescopic column 312, and the flattening mechanism 4 includes a mounting seat 403, a pressing roller 404 is installed at the bottom end of the mounting seat 403, and a second motor 405 is connected to one side of the mounting seat 403, which drives two sets of second gears 304 to rotate synchronously through the first gear 303. The second gear 304 drives the connected sector tooth piece 306 to rotate synchronously. The rotation of the sector tooth piece 306 can drive the lifting column 307 to reciprocate up and down. When the lifting column 307 descends, the lifting plate 310 is driven to descend, and then the cutter 311 is driven to descend. The cardboard is sheared by the cutter 311. During this process, the lifting plate 310 synchronously drives the telescopic column 312 and the pressing plate 314 to descend, so that the pressing plate 314 can press on the cardboard, which can effectively prevent the curling of the cardboard during shearing. When 07 rises, it drives the cutter 311 to rise, and drives the pressure plate 314 to rise. Since the spring 313 is in a compressed state when shearing, the spring 313 will have a recovery process when the pressure plate 314 rises. During this process, the pressure plate 314 will always be in contact with the paperboard, thereby improving the anti-curling effect. After the shearing is completed, the second motor 405 drives the pressure roller 404 to rotate. The rotation of the pressure roller 404 can crush the paperboard, thereby further leveling the cut of the paperboard and improving the quality of the paperboard.

[0026] The shearing mechanism 3 further comprises a first mounting frame 301 fixedly mounted on the top of the base frame 1 , and a mounting plate 302 fixedly mounted on the first mounting frame 301 .

[0027] The two sets of second gears 304 are both rotatably connected to one side of the mounting plate 302 . The other side of the mounting plate 302 is fixedly mounted with a first motor 315 . The output end of the first motor 315 is connected to the first gear 303 .

[0028] A connecting ring 308 is sleeved and slidably connected on the lifting column 307 , and the connecting ring 308 is fixedly mounted on the mounting plate 302 .

[0029] Gear teeth 309 are fixedly mounted on both sides of the connection ring 308 , and the sector-shaped tooth pieces 306 are meshed and connected with the gear teeth 309 .

[0030] The flattening mechanism 4 further comprises a second mounting frame 401 fixedly mounted on the top of the base frame 1 , and a hydraulic rod 402 is fixedly mounted on the bottom end of the second mounting frame 401 .

[0031] A mounting seat 403 is mounted on the output end of the hydraulic rod 402 .

[0032] An output end of the second motor 405 is connected to the pressure roller 404 .

[0033] The utility model patent discloses a die-cutting machine for cardboard production to prevent curling of cut edges. The working principle is as follows: the cardboard is placed on a conveyor belt 2 for transportation, and the first motor 315 drives the first gear 303 to rotate, and the first gear 303 drives two sets of second gears 304 to rotate synchronously, and the second gear 304 drives the fan-shaped tooth pieces 306 connected thereto to rotate synchronously, and the rotation of the fan-shaped tooth pieces 306 can drive the lifting column 307 to reciprocate up and down, and when the lifting column 307 descends, the lifting plate 310 is driven to descend, and then the cutter 311 is driven to descend, and the cardboard is sheared by the cutter 311. In this process, the lifting plate 310 synchronously drives the telescopic column 312 and the pressing plate 314 to descend, so that the pressing plate 314 can be pressed on the cardboard, which can effectively cut the cardboard when it is cut. In the case of curling, when the lifting column 307 rises, the cutter 311 is driven to rise, and the pressing plate 314 is driven to rise. Since the spring 313 is in a compressed state when shearing, the spring 313 will have a recovery process when the pressing plate 314 rises. During this process, the pressing plate 314 will always be in contact with the paperboard, thereby improving the anti-curling effect. After the shearing is completed, the pressing roller 404 is driven to rotate by the second motor 405. The rotation of the pressing roller 404 can crush the paperboard, and further flatten the cut of the paperboard to improve the quality of the paperboard. The height of the mounting seat 403 can be adjusted by the hydraulic rod 402, and then the height of the pressing roller 404 is adjusted, so that the pressing roller 404 can adapt to paperboards of different thicknesses.

[0034] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A die-cutting machine for cardboard production to prevent curling of cut edges, comprising a base frame (1), a conveyor belt (2) being installed at the top of the base frame (1), characterized in that: A shearing mechanism (3) and a flattening mechanism (4) are installed at the top of the base frame (1). The shearing mechanism (3) comprises a mounting plate (302). One side of the mounting plate (302) is rotatably connected to a first gear (303). Both sides of the first gear (303) are meshingly connected to second gears (304). Both sides of the second gear (304) are connected to sector-shaped tooth pieces (306) via a rotating rod (305). A lifting column (307) is provided between the two groups of sector-shaped tooth pieces (306). The bottom end of the lifting column (307) is fixedly installed. A lifting plate (310) is installed, a cutter (311) is fixedly installed in the middle of the bottom end of the lifting plate (310), telescopic columns (312) are installed on both sides of the bottom end of the lifting plate (310), springs (313) are sleeved and connected on the telescopic columns (312), a pressing plate (314) is fixedly installed at the bottom end of the telescopic columns (312), and the flattening mechanism (4) comprises a mounting seat (403), a pressing roller (404) is installed at the bottom end of the mounting seat (403), and a second motor (405) is connected to one side of the mounting seat (403).

2. A die-cutting machine for cardboard production to prevent edge curling according to claim 1, characterized in that: The shearing mechanism (3) further comprises a first mounting frame (301) fixedly mounted on the top of the base frame (1), and the mounting plate (302) is fixedly mounted on the first mounting frame (301).

3. A die-cutting machine for cardboard production to prevent edge curling according to claim 1, characterized in that: The two sets of the second gears (304) are both rotatably connected to one side of the mounting plate (302), and a first motor (315) is fixedly mounted on the other side of the mounting plate (302), and an output end of the first motor (315) is connected to the first gear (303).

4. A die-cutting machine for cardboard production to prevent edge curling according to claim 1, characterized in that: A connecting ring (308) is sleeved and slidably connected to the lifting column (307), and the connecting ring (308) is fixedly mounted on the mounting plate (302).

5. A die-cutting machine for cardboard production to prevent edge curling according to claim 4, characterized in that: Gear teeth (309) are fixedly mounted on both sides of the connection ring (308), and the sector-shaped tooth pieces (306) are meshingly connected with the gear teeth (309).

6. A die-cutting machine for cardboard production to prevent edge curling according to claim 1, characterized in that: The flattening mechanism (4) further comprises a second mounting frame (401) fixedly mounted on the top end of the base frame (1), and a hydraulic rod (402) is fixedly mounted on the bottom end of the second mounting frame (401).

7. A die-cutting machine for cardboard production to prevent edge curling according to claim 6, characterized in that: The mounting seat (403) is mounted on the output end of the hydraulic rod (402).

8. A die-cutting machine for cardboard production to prevent edge curling according to claim 1, characterized in that: The output end of the second motor (405) is connected to the pressure roller (404).

Images