CN108453799B

CN108453799B - Cutting device of thick plate corrugated paper

Info

Publication number: CN108453799B
Application number: CN201810346236.9A
Authority: CN
Inventors: 潘军林; 谢泽和
Original assignee: Dongguan City Hui Chi Paper Co Ltd
Current assignee: Dongguan City Hui Chi Paper Co Ltd
Priority date: 2018-04-18
Filing date: 2018-04-18
Publication date: 2020-03-06
Anticipated expiration: 2038-04-18
Also published as: CN108453799A

Abstract

The invention provides a cutting device for thick plate corrugated paper, which comprises a conveying mechanism, wherein a pre-cutting mechanism and a cutting mechanism are sequentially arranged along the conveying direction of the conveying mechanism, the pre-cutting mechanism comprises two pre-cutting tool holders which are coaxially arranged, pre-cutting tool bits are fixed at the opposite ends of the two pre-cutting tool holders, the cutting mechanism comprises a cutting seat, the cutting seat is fixed on a rack, a cutting blade is fixed at one side, close to the pre-cutting mechanism, of the cutting seat, the cutting blade forms an included angle of α with the horizontal direction, the included angle is 0 degrees < α degrees and is not more than 90 degrees.

Description

Cutting device of thick plate corrugated paper

Technical Field

The invention relates to a corrugated paper processing device, and particularly discloses a cutting device for thick plate corrugated paper.

Background

The corrugated paper is also called as leatheroid and corrugated board, the kraft paper is processed into the wavy core paper by the corrugating roller, the core paper is bonded with the surface paper on two sides to prepare the platy corrugated paper, the corrugated paper is a common material of the paper packing box, is lighter than a wooden box, has higher mechanical strength, is easy to cut, has good buffer protection effect, can resist collision and falling in the carrying process, and can effectively protect the packed product.

The corrugated paper mainly comprises surface paper and core paper, the core paper with different layers is arranged according to different application occasions, and the corrugated paper with multiple layers of core paper has high mechanical strength. Traditional corrugated paper cutting is all through the one-time shaping that cuts of cutter, and to the great corrugated paper of thickness, the one-time effect of cutting is not good, cuts the corrugated paper cutting edge that forms untidy, has more deckle edge, and the cutting orbit squints easily, cuts the in-process and still tears the corrugated paper very easily, leads to the corrugated paper to scrap.

Disclosure of Invention

Therefore, it is necessary to provide a cutting device for thick corrugated paper, which can stably cut thick corrugated paper and has regular cutting openings for the thick corrugated paper, in order to solve the problems in the prior art.

In order to solve the prior art problem, the invention discloses a cutting device for thick plate corrugated paper, which comprises a rack, wherein a conveying mechanism is arranged on the rack, and a pre-cutting mechanism and a cutting-off mechanism are sequentially arranged along the conveying direction of the conveying mechanism;

the pre-cutting mechanism comprises two pre-cutting tool holders which are coaxially arranged, the two pre-cutting tool holders are respectively fixed on the upper part and the lower part of the rack, pre-cutting tool bits are respectively fixed at the opposite ends of the two pre-cutting tool holders, and the tool edges of the two pre-cutting tool bits are oppositely arranged;

the cutting mechanism comprises a cutting seat, the cutting seat is fixed on the rack, a cutting blade is fixed on one side of the cutting seat close to the pre-cutting mechanism, the projection of the cutting blade and the pre-cutting tool bit are collinear, an included angle α is formed between the cutting blade and the horizontal direction, and the included angle is 0 degrees (α degrees) and is not more than 90 degrees.

Further, transport mechanism includes two individual layer conveying subassemblies about the horizontal plane symmetry setting, and every individual layer conveying subassembly includes two parallel arrangement's first transmission track, and every first transmission track is close to the one end of shutdown mechanism and all is connected with a second transmission track, all is connected with a plurality of transfer pulleys through the bearing rotation in first transmission track and the second transmission track.

Furthermore, an included angle β is formed between the first conveying track and the second conveying track which are connected, β is larger than or equal to 1 degree and smaller than or equal to 5 degrees, the distance between the two first conveying tracks in the same single-layer conveying assembly is D, the maximum distance between the two second conveying tracks in the same single-layer conveying assembly is D, and D is larger than or equal to D.

Furthermore, the outer sleeve of the conveying wheel is fixedly provided with an anti-skid layer.

Furthermore, every relative both sides of cutter seat in advance all are provided with supplementary guide holder, and supplementary guide holder is connected with the frame, and every supplementary guide holder is close to the one end of cutter head in advance and all is connected with the leading wheel through the bearing rotation.

Furthermore, one end of the auxiliary guide seat, which is far away from the guide wheel, is connected with the frame through a buffer spring.

Further, the cutting seat is fixed at the lower part of the frame.

Furthermore, the included angle between the cutting blade and the horizontal direction is more than or equal to 15 degrees and less than or equal to α degrees and less than or equal to 30 degrees.

Furthermore, at least two cleaning blast pipes are fixed on the frame, the two cleaning blast pipes are respectively positioned at two sides of the cutting blade, and an air outlet of each cleaning blast pipe is opposite to a knife edge of the cutting blade.

Further, four cleaning blast pipes are arranged, and the four cleaning blast pipes are respectively positioned on two sides above and two sides below the cutting blade.

The invention has the beneficial effects that: the invention discloses a cutting device of thick plate corrugated paper, which is provided with a pre-cutting and cutting structure, wherein two surfaces of the thick plate corrugated paper are cut to form guide grooves, and then the thick plate corrugated paper is finally cut from the side surface of the thick plate corrugated paper, the guide grooves are used for guiding cutting blades in the cutting process, so that the cutting stability can be effectively improved, the cutting blades are prevented from being deviated, the thick plate corrugated paper can be stably cut, the thick plate corrugated paper can be effectively prevented from being scrapped due to improper cutting, the cutting blades are obliquely arranged with a horizontal plane, the cutting parts of the thick plate corrugated paper can be effectively divided into a plurality of small modules to finish cutting at different moments, the cutting resistance can be effectively reduced, and the cutting opening of the thick plate corrugated paper is ensured to be.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention without a frame and a cleaning blower pipe.

Fig. 3 is a schematic top view of the present invention.

FIG. 4 is a schematic cross-sectional view taken along line A-A' of FIG. 3.

The reference signs are: the device comprises a frame 10, a conveying mechanism 20, a single-layer conveying assembly 201, a first conveying rail 21, a second conveying rail 22, a conveying wheel 23, an anti-slip layer 231, a pre-cutting mechanism 30, a pre-cutting knife holder 31, a pre-cutting knife head 32, an auxiliary guide holder 33, a guide wheel 34, a buffer spring 35, a cutting mechanism 40, a cutting holder 41, a cutting blade 42 and a cleaning blast pipe 50.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 to 4.

The embodiment of the invention discloses a cutting device for thick plate corrugated paper, which comprises a rack 10, wherein a conveying mechanism 20 is arranged on the rack 10, and a pre-cutting mechanism 30 and a cutting-off mechanism 40 are sequentially arranged along the conveying direction of the conveying mechanism 20;

the pre-cutting mechanism 30 comprises two pre-cutting tool holders 31 which are coaxially arranged, the two pre-cutting tool holders 31 are respectively fixed on the upper and lower sides of the frame 10, pre-cutting tool bits 32 are respectively fixed at the opposite ends of the two pre-cutting tool holders 31, the cutting edges of the two pre-cutting tool bits 32 are oppositely arranged, the distance between the cutting edges of the two pre-cutting tool bits 32 is a, the thickness of the thick plate corrugated paper is A, a is less than A, and preferably, 0.7A is less than a and less than 0.9A;

the cutting mechanism 40 comprises a cutting seat 41, the cutting seat 41 is fixed on the frame 10, a cutting blade 42 is fixed on one side of the cutting seat 41 close to the precutting mechanism 30, the projections of the cutting blade 42 and the precutting tool bits 32 are collinear, the cutting blade 42 is positioned on a perpendicular bisector of a connecting line of the two precutting tool bits 32, an included angle α is formed between the cutting blade 42 and the horizontal direction, and the included angle is 0 degrees < α degrees and is not more than 90 degrees.

The working process of the invention is as follows: the thick plate corrugated paper is placed on the conveying mechanism 20, the conveying mechanism 20 drives the thick plate corrugated paper to enter a pre-cutting station of the pre-cutting mechanism 30, the pre-cutting tool bit 32 is static relative to the rack 10, the conveying mechanism 20 drives the thick plate corrugated paper to advance and generate relative displacement with the pre-cutting tool bit 32, the large-area thick plate corrugated paper which is fixed and moves in a matched mode through the pre-cutting tool bit 32 can improve the pre-cutting stability, the pre-cutting tool bit 32 is used for scribing guide grooves in two surfaces of the thick plate corrugated paper, and the thickness of the thick plate corrugated paper which needs to; the thick plate corrugated paper passing through the pre-cutting mechanism 30 enters the cutting mechanism 40 through the conveying mechanism 20, the guide groove on the thick plate corrugated paper is aligned with the cutting blade 42, the cutting blade 42 cuts into the thick plate corrugated paper from the side surface of the thick plate corrugated paper, and the oblique cutting blade 42 cuts the thick plate corrugated paper along the guide of the guide groove.

The pre-cutting and cutting structure is arranged, the guide grooves are formed by cutting two surfaces of the thick plate corrugated paper, the thick plate corrugated paper is finally cut from the side surface of the thick plate corrugated paper, the guide grooves guide the cutting blades in the cutting process, the cutting stability can be effectively improved, the cutting blades are prevented from being deviated, the thick plate corrugated paper can be stably cut, the thick plate corrugated paper can be effectively prevented from being scrapped due to improper cutting, the cutting blades are obliquely arranged with the horizontal plane, the cutting parts of the thick plate corrugated paper can be effectively divided into a plurality of small modules to be cut at different moments, the cutting resistance can be effectively reduced, and therefore the cutting opening of the thick plate corrugated paper is ensured to be in order and meet the requirement.

In this embodiment, the conveying mechanism 20 includes two single-layer conveying assemblies 201 symmetrically arranged about a horizontal plane, each single-layer conveying assembly 201 includes two first conveying rails 21 arranged in parallel, one end of each first conveying rail 21 close to the cutting mechanism 40 is connected with a second conveying rail 22, a plurality of conveying wheels 23 are rotatably connected in the first conveying rail 21 and the second conveying rail 22 through bearings, and the conveying wheels 23 are connected with an external power source through a conveying structure. Conveying wheel 23 through double-deck setting can effectively compress tightly the thick plate corrugated paper, can effectively prevent cutting process medium plate corrugated paper from taking place the skew, improves the stability of cutting.

In this embodiment, an included angle β is formed between the first conveying rail 21 and the second conveying rail 22 which are connected with each other, the included angle is equal to or larger than 1 degree and equal to or smaller than β degrees, the distance between the two first conveying rails 21 in the same single-layer conveying assembly 201 is D, the maximum distance between the two second conveying rails 21 in the same single-layer conveying assembly 201 is D, D is equal to or larger than D, preferably, the boundary between the first conveying rail 21 and the second conveying rail 22 is aligned with the edge of the cutting blade 42 in a matching manner, that is, the second conveying rail 22 in the same single-layer conveying assembly 201 is bent outwards relative to the first conveying rail 21, the thick corrugated paper passing through the cutting blade 42 can be divided into a left section and a right section, the second conveying rail 22 slightly conveys the two sections of thick corrugated paper to both sides, the thick paper can be prevented from colliding with the cutting seat 41, the cutting processing stability is improved, and the setting of 1 degree and equal to or larger than β degree and equal to or.

In this embodiment, the anti-slip layer 231 is fixedly sleeved on the conveying wheel 23, and the anti-slip layer 231 can effectively increase friction force and prevent the thick corrugated paper from deviating.

In this embodiment, each opposite side of the pre-cutter holder 31 is provided with the auxiliary guide seat 33, the auxiliary guide seats 33 on the same two sides of the pre-cutter holder 31 are respectively located on the two sides of the conveying direction, the auxiliary guide seats 33 are connected with the frame 10, one end of each auxiliary guide seat 33 close to the pre-cutter head 32 is connected with the guide wheel 34 through the bearing rotation, the guide wheels 34 on the two sides of the pre-cutter head 32 can effectively compress the two sides of the pre-cutting position of the thick plate corrugated paper, the reliability of pre-cutting processing can be effectively improved, the rolling direction of the guide wheels 34 is consistent with the conveying direction, and the rolling friction replaces the sliding friction to effectively prevent the damage to the thick plate corrugated.

In this embodiment, the end of the auxiliary guide seat 33 away from the guide wheel 34 is connected with the machine frame 10 through the buffer spring 35, the buffer spring 35 is used for matching the guide wheel 34 to compress the thick plate corrugated paper, when the buffer spring 35 is in a loose state, the two guide wheels 34 are in contact, the thick plate corrugated paper enters from the upper guide wheel 34 and the lower guide wheel 34, the buffer spring 35 is compressed, and the compression effect on the thick plate corrugated paper is strengthened by the reaction force formed by the compression, so that the precutting stability is improved.

In the present embodiment, the cutting base 41 is fixed to the lower portion of the frame 10, that is, the cutting edge of the cutting blade 42 faces upward, and the corrugated paper itself can be cut by the gravity, which can effectively improve the cutting effect.

In the embodiment, the included angle between the cutting blade 42 and the horizontal direction is equal to or larger than 15 degrees and equal to or smaller than α degrees, and the cutting blade 42 is arranged to have a smaller included angle with the horizontal direction, so that the cutting modules with a certain length can be effectively refined, less thick corrugated paper can be cut in each time period, the stability of the cutting action can be effectively improved, and the cutting effect is improved.

In this embodiment, at least two cleaning blowing pipes 50 are further fixed to the frame 10, the two cleaning blowing pipes 50 are respectively located at two sides of the cutting blade 42, an air outlet of the cleaning blowing pipe 50 faces a blade edge of the cutting blade 42, the other end of the cleaning blowing pipe 50 is connected to an external blower, the air outlet of the cleaning blowing pipe 50 blows air to clean debris formed by precutting and cutting of the thick corrugated board, a good cutting condition is provided for subsequent cutting, the debris can be prevented from affecting cutting processing, preferably, four cleaning blowing pipes 50 are provided, the four cleaning blowing pipes 50 are respectively located at two sides above and two sides below the cutting blade 42, and the cleaning blower cleans the thick corrugated board from multiple directions.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The cutting device for the thick plate corrugated paper is characterized by comprising a rack (10), wherein a conveying mechanism (20) is arranged on the rack (10), and a pre-cutting mechanism (30) and a cutting-off mechanism (40) are sequentially arranged along the conveying direction of the conveying mechanism (20);

the conveying mechanism (20) comprises two single-layer conveying assemblies (201) which are symmetrically arranged about a horizontal plane, each single-layer conveying assembly (201) comprises two first conveying rails (21) which are arranged in parallel, one end, close to the cutting mechanism (40), of each first conveying rail (21) is connected with a second conveying rail (22), a plurality of conveying wheels (23) are rotatably connected in the first conveying rails (21) and the second conveying rails (22) through bearings, an included angle β is formed between the connected first conveying rails (21) and the second conveying rails (22), the included angle is larger than or equal to 1 degree and smaller than or equal to β and smaller than or equal to 5 degrees, the distance between the two first conveying rails (21) in the same single-layer conveying assembly (201) is D, and the maximum distance between the two second conveying rails (21) in the same single-layer conveying assembly (201) is D and larger than or equal to D;

the pre-cutting mechanism (30) comprises two pre-cutting tool holders (31) which are coaxially arranged, the two pre-cutting tool holders (31) are respectively fixed on the upper part and the lower part of the rack (10), pre-cutting tool bits (32) are respectively fixed at the opposite ends of the two pre-cutting tool holders (31), and the tool edges of the two pre-cutting tool bits (32) are oppositely arranged;

the cutting mechanism (40) comprises a cutting seat (41), the cutting seat (41) is fixed on the rack (10), a cutting blade (42) is fixed on one side, close to the pre-cutting mechanism (30), of the cutting seat (41), the cutting blade (42) and the projection of the pre-cutting head (32) are collinear, an included angle α is formed between the cutting blade (42) and the horizontal direction, and the included angle is 0 degrees < α degrees and is not more than 90 degrees.

2. The cutting device for thick corrugated board paper as claimed in claim 1, wherein said transfer wheel (23) is externally fitted with an anti-slip layer (231).

3. The cutting device for thick plate corrugated paper as claimed in claim 1, wherein each pre-cutting knife holder (31) is provided with auxiliary guide seats (33) at two opposite sides, the auxiliary guide seats (33) are connected with the frame (10), and one end of each auxiliary guide seat (33) close to the pre-cutting knife head (32) is rotatably connected with a guide wheel (34) through a bearing.

4. A cutting device for thick corrugated cardboard according to claim 3, characterized in that the end of the auxiliary guide (33) remote from the guide wheel (34) is connected to the machine frame (10) by means of a damping spring (35).

5. The cutting device for thick corrugated board paper according to claim 1, wherein the cutting base (41) is fixed to a lower portion of the frame (10).

6. The cutting device for thick corrugated board paper as claimed in claim 1, wherein the angle between the cutting blade (42) and the horizontal direction is 15 ° ≦ α ≦ 30 °.

7. The cutting device for thick plate corrugated paper as claimed in claim 1, wherein at least two cleaning blast pipes (50) are further fixed on the frame (10), the two cleaning blast pipes (50) are respectively located at two sides of the cutting blade (42), and an air outlet of the cleaning blast pipe (50) faces the cutting edge of the cutting blade (42).

8. The cutting device for thick corrugated board as claimed in claim 7, wherein said cleaning blast pipes (50) are provided in four, four of said cleaning blast pipes (50) being respectively located at upper and lower sides of said cutting blade (42).