CN211333492U - Big-convolution double-edge-face knife grinding device - Google Patents

Abstract

The utility model relates to a production and manufacturing equipment field especially relates to a big twolip face knife sharpening device that circles round, knife sharpening device is used for whetting a knife for the paper cutting blade disc, knife sharpening device includes that main cutting edge face whets a knife mechanism and vice cutting edge face whets a knife mechanism, vice cutting edge face whets a knife mechanism and includes base, actuating mechanism, vice cutting edge face whets a knife slide, vice cutting edge face whets a knife cylinder, vice cutting edge whets a knife emery wheel, the base is fixed for the paper cutting blade disc, actuating mechanism is used for promoting vice cutting edge face whets a knife slide for the base motion, vice cutting edge face whets a knife cylinder is fixed on the vice cutting edge face whets a knife slide, vice cutting edge face whets a knife slide is connected and is driven vice. This application is short and the knife footpath cutting is unsmooth for solving the blade life-span, the utility model provides a two-sided sharpening sword system improves blade life and can sharp quick note that cuts off when the knife footpath, improves the productivity of single blade.

Description

Big-convolution double-edge-face knife grinding device

Technical Field

The application relates to the field of production and manufacturing equipment, in particular to a large-convolution double-edged surface knife grinding device.

Background

The blade of paper cutter needs the coping sharpness just can normally cut rectangular paper article after using a period, and common system of whetting a knife installs on following the rotatory gyration dish together of blade, and the gyration dish stops when whetting a knife, and the blade continues high-speed rotation, and the step-by-step certain distance of whetting a knife of mechanism of whetting a knife, two whetting a knife emery wheels stretch out under the effect of cylinder and begin the grinding with the blade contact. Because only two sharpening grinding wheels are used, the sharpened edge blade surface angle is only one, and when the blade with the diameter of 610mm (the blade is thin near the blade edge, thick near the center of the blade and thick at the thickest part is 4.75mm) is used to the diameter of about 500mm, frequent sharpening is needed, and the blade can be used in a sharp state.

In order to ensure that the blade has enough rigidity, the blade is designed into a structure with a thick center and a thin outer edge in the industry. Under the condition that the center thickness of the blade cannot be reduced, the blade with the single-angle blade surface is long in sharpening time when the diameter of the blade is smaller, and the blade is not sharp quickly and needs to be sharpened frequently. Secondly, resistance when the single-edge face knife edge cuts into the paper slip becomes large after the knife diameter becomes small, so that cutting is not smooth or cannot be performed, the use of the blade with the small knife diameter is limited, or the service life of the blade is finished in advance by processing the blade according to the exhausted blade, and the use cost of the blade is increased. The problem that the service life of the blade is short is that the blade needs to be replaced by a new blade, the height of the rotary tool apron needs to be adjusted when the new blade is replaced, and the productivity of a paper mill is indirectly influenced by frequent tool changing and adjusting time. These problems are a disadvantage of single edge sharpening systems.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art as described above.

For this, this application provides a big twolip face knife sharpening device that circles round, knife sharpening device is used for whetting a knife for the paper cutting blade disc, knife sharpening device includes that main cutting edge face whets a knife mechanism and vice cutting edge face whets a knife mechanism, vice cutting edge face whets a knife mechanism and includes base, actuating mechanism, vice cutting edge face whets a knife slide, vice cutting edge face whets a knife cylinder, vice cutting edge whets a knife emery wheel, the base is fixed for the paper cutting blade disc, actuating mechanism is used for promoting vice cutting edge face whets a knife slide for the base motion, vice cutting edge face whets a knife cylinder is fixed on the vice cutting edge face whets a knife slide, vice cutting edge face whets a knife slide is connected and is driven vice cutting edge whets.

Furthermore, the knife sharpening device also comprises a guide rail, the guide rail is fixed on the base, and the auxiliary blade surface knife sharpening sliding seat moves along the guide rail.

Furthermore, the driving mechanism comprises a screw fixing seat and a screw, the screw fixing seat is fixed on the base, the screw is connected with the screw fixing seat and the auxiliary blade face sharpening slide seat, and the auxiliary blade face sharpening slide seat is driven to move along the guide rail through the rotation of the screw.

Furthermore, the driving mechanism further comprises an air cylinder, the air cylinder is fixed on the base, and the air cylinder drives the auxiliary blade surface sharpening sliding seat to move along the guide rail.

Furthermore, the driving mechanism further comprises a motor, and the motor drives the screw to rotate.

Furthermore, the driving mechanism further comprises a hand wheel, and the hand wheel drives the screw rod to rotate.

The double-side blade sharpening system provided by the invention aims to solve the problems of short service life of the blade and unsmooth cutting of the small blade diameter, the service life of the blade is prolonged, paper strips can be cut off sharply and quickly when the blade diameter is small, and the capacity of a single blade is improved.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of an embodiment of the present application.

Fig. 2 is a front view of an embodiment of the present application.

Fig. 3 is a graph comparing a double-facet edge with a single-facet edge according to an embodiment of the present application.

Reference numerals:

gantry left column 1, screw fixing seat 2, screw 3, hand wheel 4, guide rail 5, base 6, auxiliary blade face sharpening slide 7, auxiliary blade face sharpening cylinder 8, auxiliary blade face sharpening grinding wheel 9, paper cutting cutter disc 12, main blade face sharpening slide 13 and main blade face sharpening cylinder 14.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

The utility model provides a big twolip face sharpening device that circles round, sharpening device is used for whetting a knife for paper cutting blade disc 12, sharpening device includes main cutting edge face sharpening mechanism and vice cutting edge face sharpening mechanism, vice cutting edge face sharpening mechanism includes base 6, actuating mechanism, vice cutting edge face sharpening slide 7, vice cutting edge face sharpening cylinder 8, vice cutting edge face sharpening grinding wheel 9, base 6 is fixed for paper cutting blade disc 12, actuating mechanism is used for promoting vice cutting edge face sharpening slide 7 for base 6 motion, vice cutting edge face sharpening cylinder 8 is fixed on vice cutting edge face sharpening slide 7, vice cutting edge face sharpening slide 7 is connected and is driven vice cutting edge face sharpening grinding wheel 9 moves.

The knife sharpening device further comprises a guide rail 5, the guide rail 5 is fixed on the base 6, and the secondary blade surface knife sharpening sliding seat 7 moves along the guide rail 5.

The driving mechanism comprises a screw fixing seat 2 and a screw 3, the screw fixing seat 2 is fixed on the base 6, the screw 3 is connected with the screw fixing seat 2 and the auxiliary blade face sharpening slide seat 7, and the auxiliary blade face sharpening slide seat 7 is driven to move along the guide rail 5 through the rotation of the screw 3.

The driving mechanism further comprises an air cylinder, the air cylinder is fixed on the base 6, and the air cylinder drives the secondary blade face sharpening sliding seat 7 to move along the guide rail 5.

The driving mechanism further comprises a motor, and the motor drives the screw rod 3 to rotate.

The driving mechanism further comprises a hand wheel 4, and the hand wheel 4 drives the screw rod 3 to rotate.

From the above it can be seen that there are at least three ways of driving the secondary facet sharpening slide 7: cylinder, motor and hand wheel 4.

The invention discloses a double-sided blade grinding system of a large-convolution rotary-cut paper machine, which comprises a portal frame, a convolution disc, an auxiliary blade surface blade grinding mechanism, a main blade surface blade grinding mechanism and the like. As shown in fig. 1.

When the knife is normally sharpened, only the main blade surface is sharpened, only the main blade surface sharpening mechanism sharpens the knife, the knife disc sheet rotates at a high speed, at the moment, the main blade surface sharpening slide 13 steps by a certain distance, and the two main blade surface sharpening cylinders 14 act to enable the main blade surface sharpening grinding wheel to contact with the knife disc sheet to begin sharpening. After sharpening, the paper can be cut normally.

When the auxiliary blade surface is required to be polished, the rotary disc is rotated to the position shown in figure 2, the rotary disc is locked, the rotary hand wheel 4 drives the screw rod 3 fixedly connected with the rotary disc to rotate, a nut is arranged between the screw rod 3 and the auxiliary blade surface sharpening sliding seat 7, the rotary motion is converted into linear motion, the sliding seat steps for a certain distance, the cutter disc piece rotates at high speed, and the auxiliary blade surface sharpening air cylinder 8 acts to enable the auxiliary blade surface sharpening grinding wheel to be in contact with the cutter disc piece to start to polish the auxiliary blade surface. After finishing sharpening, the auxiliary blade face sharpening air cylinder 8 acts to separate the auxiliary blade face sharpening grinding wheel from the cutter disc piece, the screw rod 3 is rotated to return the auxiliary blade face sharpening slide seat 7, the rotary disc is unlocked, and then the paper product can be normally cut. The power of the auxiliary blade surface sliding seat is not limited to a hand-operated hand wheel 4, and the hand wheel 4 is replaced by the power of a motor or an air cylinder and the like. The base 6 is fixed on the gantry left upright post 1.

As shown in figure 3, when the secondary blade face sharpening mechanism is not provided, the blade has only one included angle, and after the secondary blade face sharpening mechanism is added, a corresponding angle can be ground in advance on the basis of the original blade edge.

No matter the knife edge ground by the double-edged surface grinding system is a large-diameter knife disc or a small-diameter knife disc, the included angle of the knife tip is obviously smaller than that of the single-edged surface grinding system, the resistance for cutting paper products is reduced, and the cut of a single-section paper product is flat and has no indentation. Due to the existence of the auxiliary cutting edge surface, the grinding amount of the grinding main cutting edge surface is reduced, and the cutting edge is sharper due to a smaller sharp angle. The sharp knife edge prolongs the interval between two times of grinding of the main edge surface, which is equivalent to reducing the knife grinding times and prolonging the service life of the cutter head.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the structures or elements so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. A large-convolution double-blade-surface knife sharpening device is characterized in that the knife sharpening device is used for sharpening a paper cutting cutter head (12), the knife sharpening device comprises a main blade-surface knife sharpening mechanism and an auxiliary blade-surface knife sharpening mechanism, the auxiliary blade-surface knife sharpening mechanism comprises a base (6), a driving mechanism, an auxiliary blade-surface knife sharpening sliding seat (7), an auxiliary blade-surface knife sharpening air cylinder (8) and an auxiliary blade-surface knife sharpening grinding wheel (9), the base (6) is fixed relative to the paper cutting cutter head (12),

the driving mechanism is used for pushing the secondary blade surface sharpening sliding seat (7) to move relative to the base (6),

the auxiliary cutting edge face sharpening air cylinder (8) is fixed on the auxiliary cutting edge face sharpening sliding seat (7), and the auxiliary cutting edge face sharpening sliding seat (7) is connected with and drives the auxiliary cutting edge sharpening grinding wheel (9) to move.

2. The large-convolution double-facet sharpener according to claim 1, wherein the sharpener further comprises a guide rail (5), the guide rail (5) being fixed to the base (6), the secondary facet sharpening slide (7) moving along the guide rail (5).

3. The large-circle double-edged surface grinding device according to claim 2, wherein the driving mechanism comprises a screw fixing seat (2) and a screw (3), the screw fixing seat (2) is fixed on the base (6), the screw (3) is connected with the screw fixing seat (2) and the secondary edged surface grinding slide (7), and the secondary edged surface grinding slide (7) is driven to move along the guide rail (5) by the rotation of the screw (3).

4. The large-convolution double-edged surface grinding device according to claim 2, wherein the driving mechanism further includes an air cylinder fixed to the base (6), the air cylinder driving the secondary-edged surface grinding slide (7) to move along the guide rail (5).

5. The large-convolution double-edged surface sharpener according to claim 3, wherein the drive mechanism further comprises a motor that rotates the screw (3).

6. The large-convolution double-edged surface grinding device according to claim 3, wherein the driving mechanism further comprises a hand wheel (4), and the hand wheel (4) drives the screw rod (3) to rotate.

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