CN2838894Y

CN2838894Y - Cutter micro-regulating structure for paper cutting machine

Info

Publication number: CN2838894Y
Application number: CN 200520113289
Authority: CN
Inventors: 赖正荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-29
Filing date: 2005-07-29
Publication date: 2006-11-22
Anticipated expiration: 2015-07-29

Abstract

The utility model relates to a cutter micro-regulation structure for a paper cutting machine, particularly the cutter micro-regulation structure for a paper cutting machine, which push an upper cutting cutter to obliquely swing in the shape of a tine arc in order to achieve the adjustment of a tiny space so that the fine adjustment and positioning of the upper cutting cutter and a lower cutting cutter is rapid with time saving. A rotating roller at the lateral surface of the end of the upper cutting cutter is provided with a groove base. A plurality of fine adjusting screws are screwed in the direction of the length of the groove base. The head parts of the fine adjusting screws can push the upper cutting cutter to generate little arc-shaped offset so that the positions of edges of the upper and the lower cutting cutters can be rapidly and exactly positioned. Therefore, the utility model which reduces the stopping time in operation has the efficacy of increasing the commercial benefits.

Description

The cutting knife fine tuning structure of paper cutter

Technical field

The utility model relates to a kind of cutting knife fine setting micro-structural of paper cutter.

Background technology

The paper of general all size size, as A4, A3... etc., it forms via the paper that paper cutter 20 (as shown in Figure 1) cuts into all size size by being wound in columned paper bundle 10, see also shown in Figure 2, be provided with a device in the cutting mechanism 30 of this paper cutter 20 and be installed on lower cutter 33 fixing on the frame 21 at the upper cutter 32 and of a rotary drum 31, on being somebody's turn to do,

lower cutter

32,33 gap must be adjusted at 0.15-0.3mm, decide on cropped paper thickness, normally replacing with, lower cutter 32, the gap of 33 o'clock essential fine setting cutting knifes, as shown in Figure 2, in last,

lower cutter

32,33 back of the body edge top is laid with adjusts screw 34, in last,

lower cutter

32,33 Primary Location and when being subjected to locking screw 35 locking, by adjusting in screw 34 ejections,

lower cutter

32,33, produce straight-line displacement, reach in the adjustment,

lower cutter

32,33 gaps are in suitable effect; This is that the cutting knife spacing of generally commonly using is adjusted structure, but still has shortcoming to exist in its use.Because it is last,

lower cutter

32,33 gap widths are between 0.15mm-0.3mm, and the pitch P of adjusting screw 34 is 1.25mm (is example with the M8 screw), the moving circle of revolution, cutting knife is promptly by ejection 1.25mm, half-turn also has 0.625mm, on,

lower cutter

32,33 gap fine setting is to adopt the air line distance fine setting, the coupling mechanism force that upper cutter 32 only need overcome locking screw 35 can be adjusted mobile, the accuracy of fine setting work is wayward, finely tuned in the gap is through common occurrence, therefore on, the moving screw 34 of adjusting of following spiral shell, the number of times that changes the fine setting gap width is very frequent, also therefore each on,

lower cutter

32,33 gap width fine setting must expend about 3 hours, quite lost time, increase on foot work when slow-witted and processing cost, economic benefit is relatively poor.

The utility model content

The purpose of this utility model provides a kind of fine setting operation cutting knife fine tuning structure of paper cutter more fast and accurately that makes.

For achieving the above object, solution of the present utility model is: a kind of cutting knife fine tuning structure of paper cutter, main several adjustment screws that on the rotary drum of direction on the back of the body edge length of upper cutter, is laid with, and the back of the body edge length direction of lower cutter is laid with the adjustment screw that is promoted upper and lower cutting knife displacement, wherein the terminal side of the upper cutter of rotary drum is provided with the groove seat, the length direction spiral shell of this groove seat is provided with several fine adjustment screws, and the head of this fine adjustment screw is able to the beat that the ejection upper cutter produces small radian.

The groove seat of described rotary drum is located at the edge of rotary drum, can hold for spanner and stretch into the moving fine adjustment screw of spiral shell.

After adopting such scheme, because the utility model is the beat that produces micro-angle by fine adjustment screw ejection upper cutter, make edge produce the arc beat of trace, make edge reach accurate localization, the fine setting time is short and the position is accurate, have saving work when slow-witted, increase the effect of trade benefit.

Description of drawings

Fig. 1 is the side-looking construction plan view of general paper cutter;

Fig. 2 is a mechanism for cutting sheet floor map of generally commonly using paper cutter;

Fig. 3 is the floor map of the utility model cutting mechanism;

Fig. 4 is the schematic diagram of the preliminary adjusting play of the utility model upper cutter;

Fig. 5 is the schematic diagram of the utility model upper cutter trim locations;

Fig. 6 is the schematic diagram that the utility model upper cutter is finely tuned correct gap width.

10 paper are tied 33 lower cutters, 20 paper cutters 34 and are adjusted screw

21 frames, 35 locking screws, 30 cutting mechanisms, 36 groove seats

31 rotary drums, 37 fine adjustment screws, 32 upper cutters

The specific embodiment

For making the committee member of an ancient unit of weight office and haveing the knack of in this skill personage effect of the present utility model is understood fully, cooperate graphic now and figure number with regard to structure of the present utility model, form and to be described in more detail in the back:

See also shown in Figure 3, cutting knife fine tuning structure of the present utility model mainly is to be laid with several to adjust screw 34 on the rotary drum 31 of upper cutter 32 length directions back of the body edge top, and lower cutter 33 back of the body edge length directions are laid with several adjustment screws 34, this is adjusted screw 34 and promotes, lower cutter 32, the 33 linearly displacements of direction, its shift length is looked the angle of adjusting screw 34 rotations fully and is produced the straight line moving interval, upper cutter 33 end profile in rotary drum 31 edges are established a groove seat 36, the length direction spiral shell of this groove seat 36 is provided with several fine adjustment screws 37, the head of this fine adjustment screw 37 is able to the lateral end position of ejection upper cutter 32, and this groove seat 36 can stretch into rotation fine adjustment screw 37 swing offsets by the below appearance for spanner.

The arc fine setting of ※ upper cutter:

See also shown in Figure 4, the gap width D1 of upper and

lower cutting knife

32,33 is through adjusting the screw 34 preliminary gap widths of adjusting, this gap width D1 still has small gap apart from standard value 0.15mm-0.3mm, can make upper cutter 32 produce the arc beat and reach the fine setting displacement by means of the ejection of fine adjustment screw 37; Please read shown in Figure 5, upper cutter 32 is by the ejection of fine adjustment screw 37, will be that the angle θ value that the center produces dotted line skew among the deflection figure of minute angle θ serve as intentional amplification with upper cutter 32 summits, observe with convenient, radius value R1 is the radius of turn value (is pivot with rotary drum 31) for upper cutter 32 among the figure, the edge of a knife of the edge of a knife of this upper cutter 32 and lower cutter 33 still has the D1 value to exist, and the correct point of a knife radius of turn value of radius value R2 and upper cutter 32, the radius value R3 of this radius value R2 and upper cutter 32 deflections has an intersection point P, this P point is the correct position of tool tip of upper cutter 32, as shown in Figure 6, deflection by fine adjustment screw 37 ejection upper cutters 32 generation minute angles, the control of this arc deflection commonly use that the control of line shifting comes easily and the displacement controlled quentity controlled variable more accurate, when desiring to make upper cutter 32 to produce the radian beat, must overcome the coupling mechanism force of locking screw 35, locking screw 35 is produced tension, oneself is subjected to tension to this locking screw 35 when packing upper cutter 32, add the tension that ejection produced of fine adjustment screw 37, make that the locking effect of upper cutter 32 is better, so the amount trimmed of upper cutter 32 is very little and accuracy is high, therefore do not have the excessive phenomenon of amount trimmed, gap width D2 is correct gap width, fine setting displacement control is very quick, through applicant's test repeatedly, on, lower cutter 32, about 1.5 hours of 33 fine setting time, the whole half the time of saving, to reduce and process when staying, and this time of saving contributed in the processing that cuts, to increase trade benefit, promote profit.

Can learn that by above-mentioned explanation the utility model produces the beat of micro-angle by fine adjustment screw ejection upper cutter, make edge produce the arc beat of trace, make edge reach accurate localization, the fine setting time is short and the position is accurate, have saving work when slow-witted, increase the effect of trade benefit, dark tool progressive and practicality, the application important document that really can meet novel patent, file an application in the whence in accordance with the law.

Claims

1, a kind of cutting knife fine tuning structure of paper cutter, main several adjustment screws that on the rotary drum of direction on the back of the body edge length of upper cutter, is laid with, and the back of the body edge length direction of lower cutter is laid with the adjustment screw that is promoted upper and lower cutting knife displacement, be primarily characterized in that: the terminal side of the upper cutter of rotary drum is provided with the groove seat, the length direction spiral shell of this groove seat is provided with several fine adjustment screws, and the head of this fine adjustment screw is able to the beat that the ejection upper cutter produces small radian.

2, the cutting knife fine tuning structure of paper cutter as claimed in claim 1, it is characterized in that: the groove seat of rotary drum is located at the edge of rotary drum, can hold for spanner and stretch into the moving fine adjustment screw of spiral shell.