CN106426348B

CN106426348B - Paperboard cutting machine

Info

Publication number: CN106426348B
Application number: CN201610954612.3A
Authority: CN
Inventors: 覃涛; 汪先炜; 陈拓; 许浩; 朱增魁; 陈昱嘉
Original assignee: Xiaogan Huagong Gaoli Electron Co Ltd
Current assignee: Xiaogan Huagong Gaoli Electron Co Ltd
Priority date: 2016-10-27
Filing date: 2016-10-27
Publication date: 2023-09-15
Anticipated expiration: 2036-10-27
Also published as: CN106426348A

Abstract

The invention provides a paperboard cutting machine which comprises a frame, wherein a bracket is arranged at one end of the frame, a second shaft is arranged at the other end of the frame, a cam and a driving mechanism for driving the cam to rotate are arranged on the bracket, a four-bar mechanism for cutting a paperboard at intervals is arranged below the cam and in contact with the cam, two ends of the four-bar mechanism are respectively hinged with the second shaft and the bracket, a torsion spring is sleeved on the second shaft and connected with the four-bar mechanism, and the torsion spring is used for driving the four-bar mechanism to reset. The paperboard cutting machine is simple in structure, through the cooperation movement of the four-bar mechanism and the cam, and through the reset of the torsion spring, the interval cutting action can be realized, the automatic interval cutting process of the paperboard is completed, the paperboard cutting machine is convenient and efficient, the labor capacity of workers is greatly reduced, and the cutting efficiency and effect are improved.

Description

Paperboard cutting machine

Technical Field

The invention belongs to the technical field of industrial automation, and particularly relates to a paperboard cutting machine.

Background

Many products are packed in boxes, which are required to be separated by a layer of packing paper boards, so that the products are convenient to place and protect. Because of the various sizes of the package, many paperboard sizes in warehouses do not fully meet packaging requirements and need to be re-cut.

At present, the cutting of the paperboards is mostly carried out manually by adopting a manual cutting mode, the labor intensity of workers is high, the cut is uneven, the cutting effect is poor, and the fingers are harmful to health, so that an automatic cutting, convenient and efficient paperboard cutting machine is required to be designed.

Disclosure of Invention

The invention aims to provide an automatic cutting, convenient and efficient paperboard cutting machine, which helps workers automatically cut paperboards and improves the working quality and working efficiency of the workers.

The technical scheme of the invention is that the paperboard cutting machine comprises a frame, wherein one end of the frame is provided with a bracket, the other end of the frame is provided with a second shaft, the bracket is provided with a cam and a driving mechanism for driving the cam to rotate, a four-bar mechanism for cutting a paperboard at intervals is arranged below the cam and in contact with the cam, two ends of the four-bar mechanism are respectively hinged with the second shaft and the bracket, and a torsion spring is sleeved on the second shaft and connected with the four-bar mechanism for driving the four-bar mechanism to reset.

Further, the frame comprises a lower platform and an upper platform, and the support and the shaft are respectively arranged at two ends of the upper platform.

Further, the driving mechanism comprises a driving motor, a speed reducer, a small belt wheel, a V belt, a first shaft and a large belt wheel; the speed reducer is connected with the driving motor, the small belt pulley is fixed on an output shaft of the speed reducer, the first shaft is installed on the support, the large belt pulley and the cam are respectively installed at two ends of the first shaft, and the small belt pulley is connected with the large belt pulley through a V belt.

Further, the four-bar mechanism comprises a cutter, a first connecting rod and a second connecting rod; one end of the cutter is hinged with the second shaft, the other end of the cutter is hinged with the first connecting rod, one end of the second connecting rod is hinged with the first connecting rod, the other end of the second connecting rod is hinged with the bracket, and the second connecting rod is in contact with the cam.

Furthermore, the cutter is of an L-shaped structure.

Furthermore, a positioning mechanism is arranged at the edge of the upper surface of the frame.

Further, the positioning mechanisms are multiple and are arranged opposite to the four-bar mechanism.

Further, the positioning mechanism comprises a handle I, a fixed block, a handle II and a positioning ruler; the fixed block is fixed on the frame through a first handle, and the positioning ruler is arranged in the fixed block through a second handle.

Further, the fixing block is provided with a mounting hole and a fixing groove, the bottom of the handle is vertical to the fixing block, one end of the handle extends to the fixing groove, the top of the handle is vertical to the fixing block, and the two ends of the handle extend into the mounting hole.

Furthermore, the positioning ruler consists of a striker plate and a positioning plate which are perpendicular to each other, scales are arranged on the positioning plate, and the positioning plate is movably installed in the installation hole of the fixed block.

Compared with the prior art, the invention has the beneficial effects that:

(1) The paperboard cutting machine provided by the invention has a simple structure, can realize the interval cutting action through the cooperation movement of the four-bar mechanism and the cam and the reset of the torsion spring, completes the automatic interval cutting process of the paperboard, is convenient and efficient, greatly reduces the labor capacity of staff, and improves the cutting efficiency and effect.

(2) The paperboard cutting machine provided by the invention is provided with the positioning mechanism, so that the size of a cut paperboard can be adjusted according to the requirement, the size of the final paperboard is accurate, the product requirement is met, and the qualification rate of the product is improved.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the structure of the paperboard cutting machine of the invention.

Fig. 2 is another view angle structure diagram of fig. 1.

Fig. 3 is a side view of the paperboard cutting machine of the invention.

Fig. 4 is a schematic view of a frame structure of the paperboard cutting machine of the invention.

Fig. 5 is a schematic view of the positioning mechanism of the paperboard cutting machine of the invention.

Reference numerals illustrate: 1. a driving motor; 2. a speed reducer; 3. a small belt wheel; 4. v belt; 5. a bracket; 6. a four bar mechanism; 7. a first shaft; 8. a first nut; 9. a large belt wheel; 10. a cam; 11. a second nut; 12. a positioning mechanism; 13. a frame; 14. a third nut; 15. a second shaft; 16. a torsion spring; 601. a cutter; 602. a first connecting rod; 603. a second connecting rod; 1201. a first handle; 1202. a fixed block; 1203. a second handle; 1204. a positioning ruler; 1205. a fixing groove; 1206. a mounting hole; 1301. a lower platform; 1302. a top platform; 1303. and the shaft hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1, 2 and 3, this embodiment provides a cardboard cutting machine, including frame 13, frame 5 is installed to frame 13's one end, and the other end is provided with axle two 15, be provided with cam 10 and drive cam 10 pivoted actuating mechanism on the frame 5, the below of cam 10 and with cam 10 contact is provided with the four-bar linkage 6 that is used for the interval cutting cardboard, the both ends of four-bar linkage 6 are articulated with axle two 15 and frame 5 respectively, cup jointed torsion spring 16 on the axle two 15, this torsion spring 16 is connected with four-bar linkage 6 for drive four-bar linkage 6 resets.

When cutting out the paper board, the paper board is placed on the frame 13, the driving mechanism drives the cam 10 to rotate, when the protruding part of the cam 10 contacts the four-bar mechanism 6, the four-bar mechanism 6 is pushed to move downwards to cut the paper board below the four-bar mechanism 6, meanwhile, the torsion spring 16 is pulled away, and when the protruding part of the cam 10 is separated from the four-bar mechanism 6, the four-bar mechanism 6 is reset under the action of the restoring force of the torsion spring 16, so that the interval cutting of the paper board is realized.

In a refined embodiment, as shown in fig. 4, the rack 13 includes a lower platform 1301 and an upper platform 1302, and the bracket 5 and the second shaft 15 are respectively installed at two ends of the upper platform 1302; specifically, the second shaft 15 may be installed by extending an extension portion outwards from the end of the upper platform 1302 of the frame 13 according to the length of the four-bar mechanism 6, and an axle hole 1303 is provided on the extension portion, where the second shaft 15 is installed in the axle hole 1303 and is fixed by a third nut 14; while bracket 5 is vertically mounted at the other end of upper platform 1302, and second shaft 15 is mounted on the same side of upper platform 1302 as bracket 5. The driving mechanism comprises a driving motor 1, a speed reducer 2, a small belt pulley 3, a V belt 4, a first shaft 7 and a large belt pulley 9; the driving motor 1 and the speed reducer 2 are fixed on a lower platform 1301 of the frame 13 through bolts, an input shaft of the speed reducer 2 is connected with an output shaft of the driving motor 1 through a coupler, a small belt pulley 3 is fixed on the output shaft of the speed reducer 2, a first shaft 7 is arranged on a bracket 5, a large belt pulley 9 is fixed at one end of the first shaft 7 through a first nut 8, a cam 10 is fixed at the other end of the first shaft 7 through a second nut 11, and the small belt pulley 3 and the large belt pulley 9 are connected through a V belt 4; when cutting the cardboard, switch on the power, driving motor 1 passes through reduction gear 2 and drives little band pulley 3 rotation, and V area 4 drives big band pulley 9 rotation to drive cam 10 rotation. As shown in fig. 2, the four-bar mechanism 6 includes a cutter 601, a first link 602, and a second link 603; one end of the cutter 601 is hinged with the second shaft 15, the other end of the cutter is hinged with the first connecting rod 602, one end of the second connecting rod 603 is hinged with the first connecting rod 602, the other end of the second connecting rod 603 is hinged with the bracket 5, the second connecting rod 603 is contacted with the cam 10, one end of the torsion spring 16 is fixed at the end part of the cutter 601, and the other end of the torsion spring is fixed on the second shaft 15; when the protruding part of the cam 10 contacts the second connecting rod 603 of the four-bar mechanism, the second connecting rod 603 applies force to the first connecting rod 602, so that the first connecting rod 602 pushes the cutter 601 to rotate around the second shaft 15 to realize cutting action, and the torsion spring 16 is pulled away; when the protruding portion of the cam 10 is separated from the contact link two 603, the cutter 601 is restored under the restoring force of the torsion spring 16, and when the cam 10 moves in its circumferential region, the cutter 601 is not moved, thereby achieving the interval cutting action. Preferably, the cutter 601 has an L-shaped structure, so that two sides of the cardboard can be cut at one time.

In addition, in order to adjust the cutting size of the cardboard, a positioning mechanism 12 is mounted on the edge of the upper platform 1302 of the frame 13. Preferably, the positioning mechanism 12 is multiple and is disposed opposite to the cutter 601 of the four-bar mechanism 6; in this embodiment, three positioning mechanisms 12 are arranged on the upper platform 1302 of the frame 13, wherein two positioning mechanisms 12 are arranged on opposite sides of the long side of the L-shaped cutter 601, another positioning mechanism 12 is arranged on opposite sides of the short side of the L-shaped cutter 601, and the three positioning mechanisms 12 cooperatively cooperate to determine the cutting size of the cardboard to be processed. The specific structure of the positioning mechanism 12 is shown in fig. 5, and the positioning mechanism 12 comprises a first handle 1201, a fixed block 1202, a second handle 1203 and a positioning ruler 1204; the fixed block 1202 is fixed on the frame 13 through a first handle 1201, and the positioning ruler 1204 is arranged in the fixed block 1202 through a second handle 1203; the fixing block 1202 is provided with a mounting hole 1206 and a fixing groove 1205, the first 1201 vertical fixing block 1202 is arranged at the bottom, the end part of the first 1201 vertical fixing block is extended to the fixing groove 1205, the edge of the upper platform 1302 of the stand 13 is clamped in the fixing groove 1205, the fixing block 1202 and the upper platform 1302 of the stand 13 are pressed and fixed by adjusting the first 1201 vertical fixing block 1202, the end part of the second 1203 vertical fixing block 1202 is extended to the mounting hole 1206, the positioning ruler 1204 is movably mounted in the mounting hole 1206, the positioning ruler 1204 is adjusted to the size of a required paper board, and then the positioning ruler 1204 is pressed and fixed by the second 1203 vertical fixing block 1202. The positioning ruler 1204 is composed of a striker plate and a positioning plate which are perpendicular to each other, scales are arranged on the positioning plate, and the positioning plate is movably installed in the installation hole 1206 of the fixing block 1202. When the cutting size of the paperboard is adjusted, the positioning plate position of the positioning ruler 1204 is adjusted through the second handle 1203 according to the size of the paperboard required, two adjacent sides of the paperboard to be cut are abutted against the stop plates of the three sets of positioning mechanisms 12, then the other two adjacent sides of the paperboard to be cut can be cut through the cutters, and the size of the cut paperboard is the size of the paperboard required at the moment.

To sum up, this kind of cardboard cutting machine that this embodiment provided simple structure through the cooperation motion of four pole mechanisms and cam to through torsion spring reset, can realize the interval cutting action, accomplish the automatic interval cutting process of cardboard, convenient high-efficient, significantly reduced staff's amount of labour, improved cutting efficiency and effect.

The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.

Claims

1. Paperboard cutting machine comprising a frame (13), characterized in that: the device is characterized in that a bracket (5) is arranged at one end of the frame (13), a second shaft (15) is arranged at the other end of the frame, a cam (10) and a driving mechanism for driving the cam (10) to rotate are arranged on the bracket (5), a four-bar mechanism (6) for cutting paperboards at intervals is arranged below the cam (10) in a contact manner with the cam (10), two ends of the four-bar mechanism (6) are respectively hinged with the second shaft (15) and the bracket (5), a torsion spring (16) is sleeved on the second shaft (15), and the torsion spring (16) is connected with the four-bar mechanism (6) and used for driving the four-bar mechanism (6) to reset;

the driving mechanism comprises a driving motor (1), a speed reducer (2), a small belt wheel (3), a V belt (4), a first shaft (7) and a large belt wheel (9), wherein the speed reducer (2) is connected with the driving motor (1), the small belt wheel (3) is fixed on an output shaft of the speed reducer (2), the first shaft (7) is arranged on a bracket (5), the large belt wheel (9) and a cam (10) are respectively arranged at two ends of the first shaft (7), and the small belt wheel (3) and the large belt wheel (9) are connected through the V belt (4);

the four-bar mechanism (6) comprises a cutter (601), a first connecting rod (602) and a second connecting rod (603), wherein one end of the cutter (601) is hinged with a second shaft (15), the other end of the cutter is hinged with the first connecting rod (602), one end of the second connecting rod (603) is hinged with the first connecting rod (602), the other end of the second connecting rod is hinged with the bracket (5), and the second connecting rod (603) is in contact with the cam (10);

the positioning mechanism (12) is arranged on the edge of the upper surface of the frame (13), the positioning mechanism (12) comprises a first handle (1201), a fixed block (1202), a second handle (1203) and a positioning ruler (1204), the fixed block (1202) is fixed on the frame (13) through the first handle (1201), and the positioning ruler (1204) is arranged in the fixed block (1202) through the second handle (1203);

the fixing block (1202) is provided with a mounting hole (1206) and a fixing groove (1205), the first handle (1201) is perpendicular to the bottom of the fixing block (1202), the end part of the first handle (1201) extends to the fixing groove (1205), the second handle (1203) is perpendicular to the top of the fixing block (1202), and the end part of the second handle (1203) extends into the mounting hole (1206).

2. The paperboard cutting machine of claim 1 wherein: the frame (13) comprises a lower platform (1301) and an upper platform (1302), and the bracket (5) and the second shaft (15) are respectively arranged at two ends of the upper platform (1302).

3. The paperboard cutting machine of claim 1 wherein: the cutter (601) is of an L-shaped structure.

4. The paperboard cutting machine of claim 1 wherein: the positioning mechanisms (12) are multiple and are arranged opposite to the four-bar mechanism (6).

5. The paperboard cutting machine of claim 1 wherein: the positioning ruler (1204) consists of a striker plate and a positioning plate which are perpendicular to each other, scales are arranged on the positioning plate, and the positioning plate is movably arranged in a mounting hole (1206) of the fixed block (1202).