CN212602116U

CN212602116U - Double-rotary transverse cutter set

Info

Publication number: CN212602116U
Application number: CN202021456324.3U
Authority: CN
Inventors: 刘学涛; 曾伟
Original assignee: Dongguan Zhiyou Machinery Equipment Co ltd
Current assignee: Dongguan Zhiyou Machinery Equipment Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-02-26
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to a web slitter field, concretely relates to double-convolution transverse cutter group, including the frame, be provided with left transmission case and right transmission case relatively in the frame, install synchronous rotatory upper cutter shaft and lower cutter shaft through rolling bearing on left transmission case and the right transmission case, be provided with the upper slitter and the lower cutter that mutually support respectively on upper cutter shaft and the lower cutter shaft, the both ends symmetry of upper cutter shaft are installed with first gear, the both ends symmetry of lower cutter shaft are installed with the second gear with first gear engagement, be provided with the gear shaft with second gear engagement in the right transmission case, one end of gear shaft is connected with the driving motor who sets up on the frame; two arbor synchronous revolution about making through gear drive, the cutter rotates with lower cutter simultaneously on the drive, makes the cut paper action of going up cutter and lower cutter become for cuting by the cutting, and the cutting force is bigger, and cutter work is more stable for the paper incision does not have deckle edge, no indentation, thereby improves cut paper quality and precision.

Description

Double-rotary transverse cutter set

Technical Field

The utility model relates to a web slitter field, concretely relates to two crosscut knife tackle that circles round.

Background

Current roll web cutting machine adopts the single sword to circle round mostly, the cutter is installed on the arbor through one row of installation screw, the rotatory cutter that drives of arbor carries out crosscut work, the cutter is cutting in-process cut paper action and is cutting, the cutting force is little, can produce the vibration with the paper collision, long-term the use can cause the installation screw to fall back, promptly the installation screw withdraws from, the cutter is consequently not hard up, influence paper incision quality, lead to the many deckle edges of paper incision, there is the trace, cut paper quality and precision descend, then influence crosscut work, need pass through the maintenance, examine and lock every installation screw, the maintenance is loaded down with trivial details, the work load is big, and the influence cuts work.

SUMMERY OF THE UTILITY MODEL

For overcoming the shortcoming of above-mentioned prior art, the utility model aims to provide a two crosscut knife tackle of circling round, through two arbor synchronous rotations about gear drive makes, the cutter rotates simultaneously with lower cutter on the drive, makes the cut paper action of going up cutter and lower cutter become for cuting by cutting, and the cutting force is bigger, and cutter work is more stable for the paper incision does not have deckle edge, no indentation, thereby improves cut paper quality and precision.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a two crosscut knife groups that circle round, which comprises a frame, be provided with left transmission case and right transmission case in the frame relatively, install synchronous revolution's last arbor and lower arbor through rolling bearing on left transmission case and the right transmission case, be provided with cutter and lower cutter on going up the arbor and the lower arbor of mutually supporting respectively, first gear is installed to the both ends symmetry of going up the arbor, the both ends symmetry of lower arbor is installed and is had the second gear with first gear engagement, be provided with the gear shaft with second gear engagement in the right transmission case, the one end of gear shaft is connected with the driving motor who sets up in the frame.

Among the above-mentioned technical scheme, first gear and second gear cover respectively through the expanding sleeve and establish the tip at last arbor and lower arbor, and first gear and second gear are tapered helical gear.

In the technical scheme, the upper cutter and the lower cutter are respectively fixed in the upper cutter groove and the lower cutter groove through the wedge blocks, and the wedge blocks are provided with fastening screws.

Among the above-mentioned technical scheme, go up the epaxial one side equipartition of edge upper slitter of arbor and a plurality of adjusting screw, the tip and the last cutter surface butt of adjusting screw.

Among the above-mentioned technical scheme, all be provided with inlet port and oil outlet on left transmission case and the right transmission case, inlet port and oil outlet all communicate with the lubricated oil pipe.

Compared with the prior art, the beneficial effects of the utility model are that: two arbor synchronous revolution about making through gear drive, the cutter rotates with lower cutter simultaneously on the drive, makes the cut paper action of going up cutter and lower cutter become for cuting by the cutting, and the cutting force is bigger, and cutter work is more stable for the paper incision does not have deckle edge, no indentation, thereby improves cut paper quality and precision.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural view of a double-convolution cross cutting knife set according to an embodiment of the present invention.

Fig. 2 is a partial cross-sectional view of a double-rotary cross cutting knife set according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

The reference numbers shown in the figures denote: 1. a frame; 2. a left transmission case; 3. a right transmission case; 4. an upper cutter shaft; 5. an upper cutter; 6. adjusting screws; 7. a lower cutter shaft; 8. a lower cutter; 9. an oil inlet hole; 10. an oil outlet hole; 11. a gear shaft; 12. a drive motor; 13. a wedge block; 14. fastening screws; 15. a first gear; 16. expanding the sleeve; 17. a second gear; 18. a cutter feeding groove; 19. a cutter descending groove.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The technical solution of the present invention will be described clearly and completely with reference to the following specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to fig. 3, the structure of the present invention is: the utility model provides a two circle round crosscut knife tackle, which comprises a frame 1, be provided with left transmission case 2 and right transmission case 3 on the frame 1 relatively, install synchronous rotatory last arbor 4 and lower arbor 7 through rolling bearing on left transmission case 2 and the right transmission case 3, be provided with cutter 5 and lower cutter 8 on going up arbor 4 and the lower arbor 7 of mutually supporting respectively, first gear 15 is installed to the both ends symmetry of going up arbor 4, second gear 17 with first gear 15 meshing is installed to the both ends symmetry of lower arbor 7, be provided with in the right transmission case 3 with second gear 17 meshing's gear shaft 11, the one end of gear shaft 11 is connected with driving motor 12 who sets up in frame 1.

In this embodiment, the first gear 15 and the second gear 17 are respectively sleeved on the end portions of the upper cutter shaft 4 and the lower cutter shaft 7 through the expansion sleeve 16, and the first gear 15 and the second gear 17 are bevel gears with tapers, and the two groups of bevel gears with tapers move axially by adjusting the tightness of the expansion sleeve 16, so that the gap between the first gear 15 and the second gear 17 can be adjusted, the radial play of the rotary bearings on the upper cutter shaft and the lower cutter shaft can be conveniently adjusted to a proper value, the radial runout of the cutter shafts is greatly reduced, and the precision of synchronous operation of the upper cutter shaft and the lower cutter shaft is improved.

In this embodiment, the upper cutter 5 and the lower cutter 8 are respectively fixed in the upper cutter groove 18 and the lower cutter groove 19 through the wedge 13, the wedge 13 is provided with the fastening screw 14, the upper cutter 5 and the lower cutter 8 are fixed in a wedge pressing manner, the clamping is reliable, and the cutter mounting and dismounting are convenient.

In this embodiment, go up on the arbor 4 along one side equipartition a plurality of adjusting screw 6 of last cutter 5, the tip and the last cutter 5 surface butt of adjusting screw 6, when paper thickness changes, through the adjustment upper and lower arbor and the paper linear velocity proportion in, the degree of screwing up of manual adjustment adjusting screw 6 changes the angle of going up cutter 5 to it is perpendicular to guarantee the cut paper incision.

In this embodiment, all be provided with inlet port 9 and oil outlet 10 on left transmission case 2 and the right transmission case 3, inlet port 9 and oil outlet 10 all communicate with the lubricated oil pipe, let in lubricating oil through inlet port 9, adopt circulating lubricating system in two transmission cases, and the cooling effect is better, effectively reduces the wearing and tearing between first gear 15 and the second gear 17.

During the specific use, driving motor 12 drives gear shaft 11, and gear shaft 11 drives second gear 17, and second gear 17 drives first gear 15, makes two upper and lower arbor synchronous rotations, drives cutter 5 and lower cutter 8 and rotates simultaneously, makes the cut paper action of going up cutter 5 and lower cutter 8 become for cuting by cutting, and the cutting force is bigger for the paper incision does not have deckle edge, no indentation, thereby improves cut paper quality and precision.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. The utility model provides a two circle round crosscut knife tackle, includes frame (1), its characterized in that: the utility model discloses a cutter, including frame (1), last relative left transmission case (2) and right transmission case (3) of being provided with, synchronous rotation's last arbor (4) and lower arbor (7) are installed through rolling bearing on left side transmission case (2) and the right transmission case (3), it goes up cutter (5) and lower cutter (8) to be provided with mutually supporting on arbor (4) and lower arbor (7) respectively, first gear (15) are installed to the both ends symmetry of going up arbor (4), second gear (17) with first gear (15) meshing are installed to the both ends symmetry of lower arbor (7), be provided with gear shaft (11) with second gear (17) meshing in right transmission case (3), the one end of gear shaft (11) is connected with driving motor (12) of setting on frame (1).

2. The double-rotary crosscutter set of claim 1, wherein: the first gear (15) and the second gear (17) are respectively sleeved on the end parts of the upper cutter shaft (4) and the lower cutter shaft (7) through an expansion sleeve (16), and the first gear (15) and the second gear (17) are bevel gears with conicity.

3. The double-rotary crosscutter set of claim 1, wherein: the upper cutter (5) and the lower cutter (8) are respectively fixed in the upper cutter groove (18) and the lower cutter groove (19) through wedge blocks (13), and fastening screws (14) are arranged on the wedge blocks (13).

4. A double rotary crosscutter set according to claim 3, wherein: go up along one side equipartition a plurality of adjusting screw (6) of last cutter (5) on arbor (4), the tip and the last cutter (5) surface butt of adjusting screw (6).

5. The double-rotary crosscutter set of claim 1, wherein: and the left transmission case (2) and the right transmission case (3) are both provided with an oil inlet hole (9) and an oil outlet hole (10), and the oil inlet hole (9) and the oil outlet hole (10) are both communicated with a lubricating oil pipe.