CN2673503Y

CN2673503Y - Circular wave type cutter of paper breaking machine and cutter mould block

Info

Publication number: CN2673503Y
Application number: CNU2003201043957U
Authority: CN
Inventors: 黄崇渊
Original assignee: SHIQING INDUSTRY Co Ltd
Current assignee: SHIQING INDUSTRY Co Ltd
Priority date: 2003-11-24
Filing date: 2003-11-24
Publication date: 2005-01-26
Anticipated expiration: 2013-11-24
Also published as: EP1533039A2; EP1533039A3; DE602004002747D1; DE602004002747T2; EP1533039B1

Abstract

The utility model relates to the circular wave type cutter of paper breaking machines, which mainly takes the circular wave type cutter as the base composed of a cutter mould block. The circular cutter comprises a periphery; a wave type knife spoke which comprises at least two arcs with the first curved surfaces and at least two arcs with the second curved surfaces, and wherein the arcs with the first curved surfaces and the arcs with the second curved surfaces are in interactive configuration; hook shaped cutting edges which are formed at the periphery of the arcs with the first curved surfaces. Wherein, the wave type knife spoke of the circular cutter is used for cutting paper longitudinally, while the hook shaped cutting edge is used for cutting paper strips into double-tapered broken paper pieces transversally; the circular wave type cutter of paper breaking machines has the functions of decreasing the cost of production materials, alleviating the load of a motor and decreasing the power consumption rate, etc., for raising the market competitive power of the paper breaking machine.

Description

The circular wave blade and the blade module of shredder

Technical field

The relevant a kind of shredder of the utility model is with the improvement of cutting blade, particularly provide a kind of with foil by the one-body molded formation of mould mechanical stamping circular wave blade module basis or with the circular wave blade module of the one-body molded formation of die casting.

Background technology

Well-known shredder in order to broken paper, its start principle is set on the swivel knife shaft (rotary shafts) with most cutting blades (cutting blades) collocation spacer rings (spacers), utilizes motor and geared system (motor and gear box) to drive these two parallel and counterrotating cutter shafts and utilizes shearing to make paper be cut into fine strip shape to the paper that passes through.And shredder is according to its machine cuts pattern difference, divide into two kinds of vertical bar formula shredder (stripe-cut shredders) and crushing type shredders (cross-cut shredders), the former is arranged in cutting on the rotation break bar with the vertical cut growth strip of paper with the blade specification, then has more than one hook-shaped blade on the latter's the blade, and blade is rotating on the break bar with helical arrangement, make paper not only vertically be cut into strip, more by the comminution scraps of paper of horizontal cutting into about 4mm * 40mm.

See also shown in the action diagram of the combination stereogram of Fig. 1 conventional blades and Fig. 2 conventional blades, this conventional blades is a material with the metal sheet of thick about 2mm, be shaped to circular shear blade by mould with mechanical stamping, blade center forms a polygonal centre bore A1 that can supply swivel knife shaft to run through, about 120 degree in the every interval of blade circumference are outwards given prominence to and are formed with hook-shaped blade A2, when two blades that are applied in swivel knife shaft S as shown in the figure are merged into a set of blades A in back-to-back (back-to-back) mode, the hook-shaped blade of these two blades will form approximate V font edge of a knife A3, then two blades be separated with the spacer ring (not shown) on the swivel knife shaft S ' on opposite and form another set of blades A ' in (face-to-face) mode face-to-face.When treating broken paper by two counterrotating cutter shaft S, S ', via relatively rotating between blade circumference that is so-called cutter spoke A4 and cutter spoke A4, make paper by being cut as scissors, the paper slip horizontal cutting that will cut already via the relative motion of hook-shaped blade A2 and opposite cutter spoke A4 is into about the broken official form for filing a lawsuit sheet of 4mm * 40mm again.

In the shredded paper process of above-mentioned conventional blades, for can be smoothly with the paper slip horizontal cutting, usually need the suitable and very sharp blade of angle to be competent at, but because blade is with the mould punch forming, the therefore loss that is increased progressively service time along with mould, the sharpness of blade will be more and more poor can improve up to new die more, cause the production quality of blade to differ, for keeping the production quality of blade, certainly will shorten the useful life of mould, but improve production cost relatively because of more new die increased.In addition, the thickness of conventional blades is equal to the width that cuts the back paper slip, and be to guarantee the intensity of blade when carrying out horizontal cutting, blade thickness can not be too thin otherwise blade will have distortion even cracked possibility, but this restriction causes material cost high, in fact can't be in response to the violent day by day industry present situation of shredder price competition.In addition, because the thickness of conventional blades is equal to the width that cuts the back paper slip, and this width position is the horizontal cutting point, so this cross-sectional width is narrower, and the required motor power output of horizontal cutting is littler, and in other words, motor will be comparatively laborsaving.But because the wide 4mm that reaches of paper slip that conventional blades is cut, therefore need the more high-power relative motion horizontal cutting paper slip of finishing between hook-shaped blade and cutter spoke smoothly of motor output.

The utility model content

In view of this this creator promptly thinks deeply a kind of shredder cutting blade that can solve above-mentioned product shortcoming commonly used, through studying for a long period of time and testing and create a kind of circular wave set of blades finally.

Primary and foremost purpose of the present utility model is to provide a kind of circular wave blade of shredder, one-body molded by mould mechanical stamping with foil is circular wave blade, with effective reduction production material cost, and alleviate the overall weight of blade and then alleviate motor load and reduce consumption rate.

A purpose more of the present utility model is to provide the circular wave blade module of a kind shredder, circular wave blade with face-to-face (face-to-face) and back-to-back (back-to-back) and synthetic set of blades, is made the integrated blade module of two covers by the die casting mode.

An of the present utility model purpose is to provide a kind of circular wave blade of shredder, curved surface variation by circular wave blade makes paper be fractured into the biconial scraps of paper that enlarged to the centre gradually by narrow two ends, the required motor power output of this two end section of horizontal cutting is reduced, to alleviate motor load and to reduce consumption rate.

For achieving the above object, the utility model discloses a kind of integrated circular wave blade, and this circular shear blade comprises one: one periphery; The one wave cutter width of cloth comprises at least two arch arc and at least two arch arcs with second curved surface with first surface, and wherein this arch arc with first surface is put with the arch arc submission interworking with second curved surface; Hook-shaped blade is formed at the arch arc periphery with first surface; Wherein, the wave cutter width of cloth of circular shear blade is used for vertically cutting paper, and this hook-shaped blade then is used for the horizontal cutting paper slip, forms the broken official form for filing a lawsuit sheet of biconial.

According to a wherein aspect of the present utility model, the utility model discloses a kind of integrated circular wave blade module, and this circular shear blade module comprises two circular shear blades, and each circular shear blade comprises: a periphery; The one wave cutter width of cloth comprises at least two arch arc and at least two arch arcs with second curved surface with first surface, and wherein these arch arcs with first surface are put with the arch arc submission interworking with second curved surface; Hook-shaped blade is formed at the arch arc periphery with first surface; And wherein these circular shear blades are arranged in the relative mode of arch arc with same curved surface; And wherein, the wave cutter width of cloth of circular shear blade is used for vertically cutting paper, and these hook-shaped blades then are used for the horizontal cutting paper slip, forms the broken official form for filing a lawsuit sheet of biconial.

According to a wherein aspect of the present utility model, it is characterized in that these arch arcs equidistantly or not equidistantly are configured on this cutter width of cloth.

According to a wherein aspect of the present utility model, it is characterized in that forming on this cutter width of cloth the fin that the curved surface rightabout of its place arch arc on one day at least protrudes.

According to a wherein aspect of the present utility model, it is characterized in that this at least one fin is formed on the arch arc that another does not form any hook-shaped blade.

According to a wherein aspect of the present utility model, it is characterized in that the peripheral one-body molded of this blade is zigzag.

According to a wherein aspect of the present utility model, it is characterized in that this blade in be formed centrally a polygonal holes.

Description of drawings

Fig. 1 is the combination stereogram of traditional kneader bar;

Fig. 2 is the action diagram of traditional kneader bar;

Fig. 3 is the stereogram of the circular wave blade of the utility model;

Fig. 4 is the front view of the circular wave blade of the utility model;

Fig. 5 is the upward view of the circular wave blade of the utility model;

Fig. 6 is the side view of the circular wave blade of the utility model;

Fig. 7 stands in the stereoscopic figure of swivel knife shaft for the circular wave set of blades of the utility model;

Fig. 8 is the action diagram of the circular wave set of blades of the utility model when the cutting paper;

Fig. 9 is for being loaded on the array set of blades plane of swivel knife shaft;

Figure 10 is the stereogram of another embodiment of the circular wave blade of the utility model, and this circle wave blade has three hook-shaped blades;

Figure 11 is the front view of circular wave blade among Figure 10;

The section diagrammatic sketch of Figure 12 for being got along 12-12 line among Figure 11;

The section diagrammatic sketch of Figure 13 for being got along 13-13 line among Figure 11;

Figure 14 is the three-dimensional view of another embodiment of the circular wave blade of the utility model, and this circle wave blade has four hook-shaped blades;

Figure 15 is the front view of circular wave blade among Figure 14;

The section diagrammatic sketch of Figure 16 for being got along 16-16 line among Figure 15;

The section diagrammatic sketch of Figure 17 for being got along 17-17 line among Figure 15; And

Figure 18 is another embodiment of the present utility model, and wherein each circular wave blade module constitutes it by die casting is one-body molded.

The specific embodiment

See also Fig. 3 to Fig. 6, wherein Fig. 3 and Fig. 4 disclose the stereogram and the front view of the utility model wave blade respectively; Fig. 5 and Fig. 6 then disclose the upward view and the side view of the utility model wave blade respectively.

Above-mentioned each figure discloses a kind of revolutionary shredder cutting blade 1, according to the once allowed maximum paper feed numbers (sheet capacity) of the shredder of different size, the utility model can be selected for use, and the sheet metal of the thinnest about 0.3mm is a material, circular by mould mechanical stamping, and be shaped to two wave cuttves with the arch arc B of first surface and arch arc B ' that two have second curved surface 12, wherein this arch arc B with first surface puts with arch arc B ' the submission interworking with second curved surface, preferred embodiment to be equidistantly being configured on this cutter 12, but do not get rid of the possibility that equidistantly is not configured on this cutter 12.This circular shear blade periphery 11 is the one-body molded continuous zigzag that is as shown in Figure 3, and this zigzag periphery 11 has the effect that paper cutting is pulled down, for vertically cutting paper.

As Fig. 5 and shown in Figure 6, the arch arc B periphery 11 with first surface is distinguished the one-body molded hook-shaped blade 13 that is, the paper slip that had cut already for horizontal cutting becomes broken official form for filing a lawsuit sheet, and the arch arc B ' with second curved surface does not then form any hook-shaped blade.The center of blade 1 is then offered a polygonal holes 16 and is supplied swivel knife shaft to run through connection.

In the present embodiment, be shaped to circle by mould mechanical stamping, and have and comprise two wave cuttves 12 that have the arch arc B ' of first surface and have the arch arc B ' of second curved surface, wherein this arch arc B with first surface puts with arch arc B ' the submission interworking with second curved surface, and the arch arc B periphery 11 with first surface is one-body molded respectively to be hook-shaped blade 13, the paper slip that had cut already for horizontal cutting becomes broken official form for filing a lawsuit sheet, and the arch arc B ' with second curved surface does not then form any hook-shaped blade.

But, in the time of must adopting the blade of large-size for the increase that adapts to paper feed number (sheet capacity), two hook-shaped blades of about 180 degree in interval can't be loaded in the foregoing description, therefore must increase to three hook-shaped blades of about at interval 120 degree or four hook-shaped blades of about 90 degree at interval, and four arch arcs in the foregoing description also must with the arch arc that increases to six, eight or greater number in response to cooperation.

To person shown in Figure 13, be circular wave blade 100 as Figure 10 with six arch arcs.This circle wave blade 100 is shaped to circle by mould mechanical stamping, and have and comprise three wave cuttves with the arch arc B of first surface and arch arc B ' that three have second curved surface 112, wherein this arch arc B with first surface puts (Figure 13) with arch arc B ' the submission interworking with second curved surface.Have that the arch arc B periphery 111 of first surface is one-body molded to be hook-shaped blade 113, the paper slip that had cut already for horizontal cutting becomes broken official form for filing a lawsuit sheet, and the arch arc B ' with second curved surface does not then form any hook-shaped blade.This circular shear blade periphery 111 as shown in figure 10, one-body molded is continuous zigzag, for vertical cutting paper.

As Figure 14 to person shown in Figure 17, for having the circular wave blades 200 of eight arch arcs.This circle wave blade 200 is shaped to circle by mould mechanical stamping, and have and comprise four wave cuttves with the arch arc B of first surface and arch arc B ' that four have second curved surface 212, wherein these arch arc B with first surface put (Figure 16 and Figure 17 only show arch arc B) with arch arc B ' the submission interworking with second curved surface.Have that the arch arc B periphery 211 of first surface is one-body molded to be hook-shaped blade 213, the paper slip that had cut already for horizontal cutting becomes broken official form for filing a lawsuit sheet, and the arch arc B ' with second curved surface does not then form any hook-shaped blade.This circular shear blade periphery 211 as shown in figure 14, one-body molded is continuous zigzag, for vertical cutting paper.With reference to shown in Figure 3, according to a preferred embodiment of the present utility model, for the blade that only has two hook-shaped blades, because angle is big at interval for two blades, but so the some fins 50 that protrude towards the curved surface rightabouts of its place arch arc B or B ' of punch forming on the cutter 12, to strengthen the bending strength of blade 1.Among Fig. 3, fin 50 is formed on the arch arc B ' that does not form any hook-shaped blade in the circular shear blade 1, and also can be formed on certainly should be on the arch arc B that is formed with hook-shaped blade 13 in the circular shear blade 1.

See also shown in the combination stereogram of Fig. 7, be shaped to normalized circular wave blade 1 with foil by mould mechanical stamping with above-mentioned, be applied in first and second swivel knife shaft S in regular turn, promptly organize behind the S ' and found into the most important revolving knife for cutting tool of shredder.In group immediately, 13 of hook-shaped blades that make two relative blades 1 are at same correspondence position, and the hook-shaped blade 13 of the blade 1 on the hook-shaped blade 13 of the blade 1 on the first swivel knife shaft S and the second swivel knife shaft S ' is staggered.As shown in Figure 9, circular wave blade on the first swivel knife shaft S have a hook-shaped blade 13 with it this relative mode of arch arc B is merged into first set of blades, the circular wave blade on the second swivel knife shaft S ' then should have a hook-shaped blade 13 to non-with it this relative mode of arch arc B ' is merged into second set of blades.

First set of blades that the above-mentioned first swivel knife shaft S forms in the merging mode, reach second set of blades that the second swivel knife shaft S ' forms in the merging mode, on practice, also can adopt die casting (DieCasting) one-body molded, easy speech, also be about to above-mentioned first set of blades and second set of blades that forms in the merging mode, respectively with different die casting moulding formations knife module 60 as shown in figure 18,70, though manufacturing cost and higher the differing of processing cost with die cast satisfy economic benefit surely, but for the shredder that needs heavily cut (heavy duty), above-mentioned alternative still can realize on practice.With Fig. 7 and Fig. 9 is example, and last first blade 21 of this first swivel knife shaft S and second blade 22 should relative mode be merged into first set of blades to the arch arc B with hook-shaped blade 13 with it.Because the cutter spoke of blade 21,22 comprises two arch arc and two arch arcs with second curved surface with first surface, the arch arc that wherein has first surface is put with the arch arc system submission interworking with second curved surface, therefore this first blade 21 and second blade 22 should be to merge contact condition to the arch arc B with hook-shaped blade 13, but the arch arc B ' with hook-shaped blade 13 of first blade 21 and second blade 22 then forms an open space 23 for released state; Otherwise, 32 on last first blade 31 of this second swivel knife shaft S ' and second blade are merged into second set of blades in the non-relative mode of arch arc B ' with hook-shaped blade 13, same because blade 31,32 cutter spoke comprises two arch arc and two arch arcs with second curved surface with first surface, the arch arc that wherein has first surface is put with the arch arc submission interworking with second curved surface, therefore this first blade 31 and second blade 32 should be that released state forms an open space 33 to the arch arc B with hook-shaped blade, but wherein the hook-shaped blade of the another blade 31 ' in blade 32 and adjacent another second set of blades then is the merging contact condition.Via above-mentioned arrangement, as two swivel knife shaft S, S ' each other during reverse rotation, the hook-shaped blade after last first blade 21 of the first swivel knife shaft S and second blade 22 merge just can insert the open space 33 of last first blade 31 of the second swivel knife shaft S ' and second blade 32.And when two relative hook-shaped blades merge contact, just can become broken official form for filing a lawsuit sheet for the paper slip that horizontal cutting had cut already.

Please cooperate shown in the plane of consulting Fig. 7 action diagram of the present utility model and Fig. 9, because normalized circular wave blade comprises two arch arc and two arch arcs with second curved surface with first surface, and wherein these arch arcs with first surface are put with the arch arc submission interworking with second curved surface, change and constitute curved surface, no matter its cutter spoke of any time is all kept certain applying gap to make corresponding set of blades, that is, if observe from the end on projection direction, blade and blade to each other the lap of device on the different rotary cutter shaft is fixing with perseverance, can guarantee only so also that when two mutual reverse rotations of swivel knife shaft the relative motion between cutter spoke and cutter spoke could produce as the cutting effect (as shown in Figure 9) as the scissors.When the hook-shaped blade 13 that is positioned at arch arc B periphery 11 when the corresponding set of blades of a swivel knife shaft wherein rotates to the position of merging, hook-shaped blade 13 will cooperate the paper slip severing with the cutter spoke 12 of the arch arc B ' of circular shear blade on another swivel knife shaft.

Curved surface variation along with the circular wave blade of the utility model, make paper be fractured into the biconial scraps of paper that narrow two ends enlarge to the centre gradually, because horizontal cutting position, scraps of paper two ends, therefore this section is narrower, and the required motor power output of horizontal cutting is littler, in other words, motor can be with the required power of underload supply horizontal cutting, and in a single day motor load alleviates, and promptly consumption rate reduces, and motor also can prolong service life relatively.

In addition, conventional blades is with the metal sheet punch forming of thick about 2mm, and in the utility model with strike out the thinnest sheet metal punch forming of adopting about 0.3mm of circular wave blade, both material cost gaps are very big, and the blade of weight reduction, equally Jiahui motor can be cut the required power of paper with underload supply, motor load be alleviated prolong its service life and reduce consumption rate.And the manufacture of the circular wave blade module of the die cast in the utility model is more easy, and many characteristics all obviously reduce production costs, and then significantly promotes the market competitiveness of shredder.

Comprehensive the above, the utility model is a circular shear blade with the foil punch forming, or be shaped to figure blade module in the die casting mode, and this circular shear blade comprises at least two arch arc and at least two wave cutter width of cloth with arch arc of second curved surface with first surface, and wherein this arch arc with first surface is put with the arch arc submission interworking with second curved surface; This circular shear blade periphery is one-body molded to be zigzag, for vertically cutting paper.Arch arc periphery with first surface forms hook-shaped blade becomes the broken official form for filing a lawsuit sheet of biconial for the horizontal cutting paper slip revolutionary special tectonic in addition, existing effect reduces the production material cost and alleviates motor load and reduce consumption rate, and then significantly promotes the market competitiveness of shredder.

Claims

1. the circular wave blade of a shredder is characterized in that, comprising:

One periphery;

The one wave cutter width of cloth comprises at least two arch arc and at least two arch arcs with second curved surface with first surface, and wherein this arch arc with first surface is put with the arch arc submission interworking with second curved surface;

Hook-shaped blade is formed at the arch arc periphery with first surface.

2. the circular wave blade of shredder as claimed in claim 1 is characterized in that, these arch arcs are for equidistantly or not equidistantly being configured on this cutter width of cloth.

3. the circular wave blade of shredder as claimed in claim 1 is characterized in that, forms the fin that the curved surface rightabout of its place arch arc on one day at least protrudes on this cutter width of cloth.

4. the circular wave blade of shredder as claimed in claim 3 is characterized in that, this at least one fin is formed in addition and does not form on the arch arc of any hook-shaped blade.

5. the circular wave blade of shredder as claimed in claim 1 is characterized in that, this periphery is formed in one and is zigzag.

6. the circular wave blade of shredder as claimed in claim 1 is characterized in that, is formed centrally a polygonal holes in this blade.

7. the circular wave blade module of a shredder is characterized in that this circular shear blade module comprises two circular shear blades, and each circular shear blade comprises:

One periphery;

The one wave cutter width of cloth comprises at least two arch arc and at least two arch arcs with second curved surface with first surface, and wherein this arch arc with first surface is put with the arch arc system submission interworking with second curved surface;

Hook-shaped blade is formed at the arch arc periphery with first surface; And

Wherein the arch arc relative mode of these circular shear blades with same curved surface arranged.

8. the circular wave blade mould of shredder as claimed in claim 7 is characterized in that this arch arc equidistantly is configured on each cutter width of cloth.

9. the circular wave blade module of shredder as claimed in claim 7 is characterized in that, forms the fin that the curved surface rightabout of its place arch arc on one day at least protrudes on the cutter width of cloth of this each circular shear blade.

10. the circular wave blade module of shredder as claimed in claim 9 is characterized in that, this at least one fin is formed in addition and does not form on the arch arc of any hook-shaped blade.

11. the circular wave blade module of shredder as claimed in claim 7 is characterized in that, the arch arc with hook-shaped blade of these circular shear blades is arranged for the mode that merges contact.

12. the circular wave blade module of shredder as claimed in claim 7 is characterized in that, these peripheries are one-body molded respectively to be zigzag.

13. the circular wave blade module of shredder as claimed in claim 7 is characterized in that two circular shear blade centers of this blade module form a polygonal holes respectively.