CN100431758C - Cutting device for thin metallic plate - Google Patents
Cutting device for thin metallic plate Download PDFInfo
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- CN100431758C CN100431758C CNB2004800095129A CN200480009512A CN100431758C CN 100431758 C CN100431758 C CN 100431758C CN B2004800095129 A CNB2004800095129 A CN B2004800095129A CN 200480009512 A CN200480009512 A CN 200480009512A CN 100431758 C CN100431758 C CN 100431758C
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Abstract
A cutting device for thin metallic plate, capable of shortening the time required for shaping etc. of a cut edge to enhance production efficiency and extending life of an edge tool. The cutting device cuts a thin plate (W) made of metal to a predetermined width and has a press cut edge tool (7) made of a metal with higher hardness than the thin plate (W) and having an edge angle of 50-90 . The cutting device further has a contact tool (5) having a groove (8) that is opposed to the press cut edge tool (7) and coming in contact with the back face of the thin plate (W). The groove (8) is formed such that the distance (a) between upper edges (9a, 9b) is 15-30 times as large as the thickness of the thin plate (W), and that the depth (c) of a deepest portion (11) of the groove (8) is 1-3 times as deep as the thickness (b). Curved surfaces (10) are provided on both inner walls (9) of the groove (8), and their curvature radius is made 15-50 times as large as the thickness (b).
Description
Technical field
The present invention relates to a kind of shearing device of thin metallic plate, particularly a kind of being suitable for, cut off the cylinder cylindraceous that is formed by thin metallic plate and the shearing device of thin metallic plate when forming a plurality of becket with ring-cutting form.
Background technology
For example, in the conveyer belt that the transmission of power that adopts buncher is used, for stacked arrangement a plurality of elements circlewise are bundled into one, and used the stacked ring that is laminated by a plurality of metal system ring components.The becket that constitutes the stacked ring of this kind cuts off cylinder cylindraceous by width according to the rules with ring-cutting form and forms, and cylinder cylindraceous wherein forms by two ora terminalis of the thin metallic plate of solder joints rectangle.
In the past, as everyone knows, cut off cylinder cylindraceous respectively and when forming above-mentioned becket, clamp an end of back-up roller at width according to the rules, the emery wheel that rotates from the outer side contacts of the other end of above-mentioned cylinder cuts off by this emery wheel is moved along the circumferencial direction of this cylinder.But, when using the above-mentioned cylinder of abrasive cutting-off, because need be with the width of the emery wheel suitable amount of cutting of grinding, the yield rate step-down of the becket that obtains from 1 cylinder.And, when using the above-mentioned cylinder of abrasive cutting-off, the loaded down with trivial details problem of processing of the draining the when emery wheel behind the grinding loss is arranged.
For this reason, the known shearing tool that for example uses is replaced the method that above-mentioned emery wheel cuts off above-mentioned cylinder.But though the angle edge portion (corner edge portion) of interior all sides of above-mentioned becket does not produce burr, produce bigger burr in the angle of outer circumferential side edge portion this moment, and the rough sledding that has the shaping of after cut-out, carrying out cylinder grinding etc. for a long time to handle.And, well-known, by the shearing tool contact cut, can not produce burr in the inner face side of cylinder and exterior side both sides, but worry to cut off two cutters contact behind the cylinder and the damage cutter in two sides' of interior all sides and outer circumferential side angle edge portion.
Summary of the invention
In order to eliminate this rough sledding, the object of the present invention is to provide a kind of shearing device of thin metallic plate, it can shorten the time of the shaping processing of cutting off ora terminalis etc. and improve manufacturing efficient, and, width cuts off thin metallic plate with high finished product rate ground according to the rules, can also prolong the life-span of cutter.
In order to reach this purpose, the present invention is the shearing device that a kind of width according to the rules cuts off the thin metallic plate of metal thin plate, it is characterized in that, comprise: the shearing tool that is used for cutting off this thin plate of assigned position that is connected to the table side of described thin plate, with possess and opposed slot part of the off-position of this shearing tool and the contact instrument that contacts with the medial surface of described thin plate, described shearing tool, by constituting than the high metal of described thin plate hardness and basil scope is 50～90 °, the slot part of described contact instrument forms section and looks V word shape, the last intermarginal size of space of two madial walls of this slot part is 15～30 times of thickness of slab size of described thin plate, and, the depth dimensions in deep that is positioned at the central authorities of this slot part is 1～3 times of thickness of slab size of described thin plate, further, 15～50 times the radius of curvature and possess of two madial walls of this slot part with thickness of slab size of described thin plate stretched to the flexure plane in this slot part.
According to the present invention, when cutting off thin metallic plate, at first,, shearing tool cuts while pressing this thin plate.At this moment, by the flexure plane gently crooked thin plate that be pressed against of cutter along the madial wall of slot part.Part in cutter incision produces metal flow along deviating from direction with cutter, and along with the generation of this phenomenon, stretching towards the cutter front end also a side of not cutting off, and the local attenuation of thickness towards the part of cutter front end forms the necking down towards the recessed distortion of cutter front end.And, at the state of residual necking down shape, cut off thin plate according to the mode that does not contact with the deep of slot part.By residual such necking down, can make reducing at the burr that cut off ora terminalis.
The shape of the slot part of the basil of above-mentioned cutter and above-mentioned contact instrument gets by various tests according to the present inventor.Particularly, learn following phenomenon by test.That is, the basil of shearing tool is 50～90 °, if the basil is bigger than 90 °, the metal flow that is arranged on thin plate when then cutter is cut increases, and warpage or wave bending take place on this thin plate.If the basil is little than 50 °, then cutter is too sharp, owing to the generation of blade damage etc. reduces durability.
And, the last intermarginal size of space of two madial walls of slot part is 15～30 times of thickness of slab size of thin plate, if than 15 times narrow, when then pressing thin plate by cutter, can not after cut-out, produce along the flexure plane of the madial wall of slot part bending plate gently along the burr of the madial wall of slot part.If than 30 times wide, when then pressing thin plate by cutter, the deep of thin plate and slot part contacts before being cut off, and sufficient necking down does not take place.
And the depth dimensions that is positioned at the deep of slot part central authorities is 1～3 times of thickness of slab size of thin plate, if than 1 times shallow, when then pressing thin plate by cutter, the deep of thin plate and slot part contacts before cutting off thin plate, and sufficient necking down does not take place.If than 3 times dark, then be difficult to form the above-mentioned flexure plane of 15～50 times radius of curvature of thickness of slab size with thin plate.
And, above-mentioned flexure plane has 15～50 times radius of curvature of the thickness of slab size of thin plate, if than 15 times little, when then pressing thin plate by cutter, thin plate can not be gently crooked along the flexure plane of the madial wall of slot part, produces along the burr of the madial wall of slot part after cut-out.If than 50 times big, when then pressing thin plate by cutter, the deep of thin plate and slot part contacts before thin plate is cut off, and sufficient necking down does not take place.
From above-mentioned result of the test, in the present invention the basil of above-mentioned shearing tool is made as 50～90 ° scope, and, slot part about above-mentioned contact instrument, the size of space of the upper limb of two inside portions is made as 15～30 times of thickness of slab size, the depth dimensions in deep is made as 1～3 times of thickness of slab size of thin plate, and, the radius of curvature of above-mentioned flexure plane is made as 15～50 times of thickness of slab size of thin plate.
Thus, by adopting the shape of above-mentioned cutter and slot part, can form necking down in the off-position of thin plate, so the ora terminalis burr are few especially cutting off, can carry out with the short time, this shaping is handled by cylinder and is ground or brush grinding realization, and manufacturing efficient is improved.And width high finished product rate ground cuts off thin metallic plate according to the rules, can prevent the contact to the cutter front end in the deep of slot part, so can prolong the life-span of cutter.
And in the present invention, the slot part of above-mentioned contact instrument is characterized in that, the slot part of described contact instrument, and its deep possesses the planar portions of smooth formation, and the degree of depth of this planar portions between two madial walls is certain.By such formation, the cut-out ora terminalis of the thin plate after the cut-out becomes the shape along with the planar portions of slot part, can form bigger necking down.
More specifically, cut-out ora terminalis by this thin plate of above-mentioned shearing tool when slot part cuts off thin plate forms: along with the 1st of the sword face tilt of above-mentioned shearing tool cuts off the inclined plane, the 2nd cuts off front end and the 2nd that inclined plane and the 1st cuts off the inclined plane and cut off the cut-out top that the front end on inclined plane intersects along with what the planar portions of above-mentioned slot part tilted.And, by the width dimensions across the planar portions between two madial walls of above-mentioned slot part, the 2nd shape of cutting off the inclined plane of the cut-out ora terminalis of thin plate can be formed desired shape.
Yet, to handle in order to carry out shaping with shorter time, this shaping is handled by cylinder and is ground or brush grinding realization, considers that the cut-out top that makes the cut-out ora terminalis that is formed on thin plate is positioned at the central authorities of thickness of slab.That is, cut off the central authorities that the top is positioned at thickness of slab by making, can make the 1st cut-out inclined plane and the 2nd cut off the inclined plane becomes approximate shape, can reduce the shaping amount by grinding thus.And, the width dimensions that the cut-out top distance the above-mentioned the 2nd that can try to achieve in advance needs for the cut-out top that makes above-mentioned thin plate is positioned at the central authorities of thickness of slab is cut off the starting point on inclined plane.For this reason, in the present invention, cut off the top for the cut-out top that can make above-mentioned thin plate is positioned at the central authorities of thickness of slab when cutting off the width dimensions of starting point on inclined plane preestablishing, the width dimensions between two madial walls that stride across above-mentioned slot part of above-mentioned planar portions is made as the above-mentioned the 2nd 2 times of width dimensions that cut off the inclined plane apart from the above-mentioned the 2nd.Thus, when above-mentioned slot part cuts off thin plate by above-mentioned shearing tool, can form the 2nd cut-out inclined plane of the width dimensions of setting, owing to cut off the central authorities that the top is positioned at thickness of slab, can carry out shaping with shorter time and handle, this shaping is handled by cylinder and is ground or brush grinding realization.
And, as a mode of the present invention, can enumerate: above-mentioned thin metallic plate forms cylinder cylindraceous, above-mentioned contact instrument forms can contact with the inner peripheral surface of above-mentioned cylinder cylindric and at this cylinder of peripheral support, above-mentioned slot part is a plurality of in the outer peripheral face configuration of above-mentioned contact instrument with predetermined distance, above-mentioned shearing tool forms the discoid of the cutting blade that possesses periphery, while rotate the outer peripheral face of cutting cylinder with the corresponding part of described slot part, along Zhou Fangxiang according to the rules width cut off this cylinder and form the becket of ring-type.Thus, can will cut into ring-cutting form to high finished product rate, form a plurality of beckets expeditiously by the cylinder that thin metallic plate forms.
And, in above-mentioned contact instrument, can enumerate a plurality of the cutting groove and form hole enlargement that possesses along its axis direction extension and contact instrument freely.Contact instrument freely by forming above-mentioned hole enlargement, can make its back hole enlargement in inserting cylinder, it is close on the cylinder fully.If cylinder and contact being close to of instrument insufficient, the width dimensions generation deviation of the becket in that warpage or wave bending take place on the cylinder after making cut-out.So, in the present invention, contact instrument and cylinder are close to by making the hole enlargement of contact instrument, can prevent the warpage or the wave bending of cylinder, can prevent the deviation of the aperture size of becket.
In addition, in the present invention,, just can adopt and not form the above-mentioned freely contact instrument of hole enlargement as long as can allow the deviation of the width dimensions of becket.Promptly, in the present invention, can enumerate: above-mentioned contact instrument possesses the clamp mechanism of fixing an end of this cylinder when the above-mentioned cylinder of peripheral support, and the front position of the above-mentioned shearing tool when cutting above-mentioned slot part by this cylinder is set in: be a side side of not fixing by above-mentioned clamp mechanism in the scope of 1/3 distance of thickness of slab size of above-mentioned cylinder and near the other end of this cylinder apart from the central authorities of the size of space of the upper limb of two madial walls of this slot part.
Can form becket by cylinder by cutter, cylinder is by two lateral incisions to cutter.At this moment, relatively the cutter cut-out ora terminalis (the cut-out ora terminalis of the becket of incision) that is formed on the on-fixed side of cylinder and relative cutter to be formed on the shaped slightly of cut-out ora terminalis (being fixed on the cut-out ora terminalis of the cylinder of supporting tool) of the fixation side of cylinder variant.That is, be formed with on the cut-out ora terminalis of this cylinder when cutting off cylinder along slot part along with the 1st of the sword face tilt of above-mentioned shearing tool cuts off the inclined plane by above-mentioned shearing tool; Form the 2nd of tilted shape by necking down (forming) and cut off the inclined plane by above-mentioned slot part; The 1st front end and the 2nd that cuts off the inclined plane cuts off the crossing cut-out top of front end on inclined plane.At this, if relatively be formed on the cut-out ora terminalis and the cut-out ora terminalis that is formed on the fixation side of cylinder of the on-fixed side of cylinder, it is littler than the on-fixed side of cylinder that then the 1st of the fixation side of cylinder the cut-out inclined plane and the 2nd cuts off the inclined plane, and the position at the cut-out top of the fixation side of cylinder is than the close thickness of slab central authorities of the on-fixed side of cylinder.The difference that produces the cut-out ora terminalis shape of this kind phenomenon is to separate from cutter immediately owing to cut off back cut-out ora terminalis in the fixation side of cylinder, relative therewith, cut off the back during withdrawing from the fixation side of cylinder, cut off ora terminalis and contact and take out of a part of cutting off ora terminalis with cutter from slot part.If produce the difference of such cut-out ora terminalis, the shape of cut-out ora terminalis of both sides that is cut off the becket of formation produces difference, can not be according to carrying out reduction in processing time desiredly thereby worry, this processing time is to be used for that shape finishing according to the rules cuts off that the cylinder of ora terminalis grinds or the processing time of brush grinding etc.
So, the present inventor carries out finding after the various tests: because the influence of the shape of above-mentioned slot part, for the position of the front end of the shearing tool during for incision, more from the central authorities of the upper limb of two madial walls of above-mentioned slot part on-fixed side towards cylinder, be formed on the 1st the cutting off inclined plane and the 2nd and cut off the inclined plane and diminish more of cut-out ora terminalis of the on-fixed side of cylinder, and make the position that cuts off the top thickness of slab central authorities than the more close cylinder of on-fixed side of cylinder.And, also as can be known: if the position of the front end of the shearing tool in when incision surpass apart from the distance of the central authorities of the size of space of the upper limb of the mutual opposed madial wall of above-mentioned slot part above-mentioned cylinder the thickness of slab size 1/3 and near the on-fixed side of cylinder, then the cut-out ora terminalis in the on-fixed side of cylinder can not form sufficient necking down, can not keep the cut-out precision.
Based on this, in the present invention, the set positions with the front end of the shearing tool in when incision exists: be a side of not fixing by above-mentioned clamp mechanism in 1/3 the scope of thickness of slab size of above-mentioned cylinder and near the other end of this cylinder apart from the distance of the central authorities of the upper limb of two madial walls of this slot part.Thus, the difference of shape of cut-out ora terminalis that can make the cut-out ora terminalis that is formed on the on-fixed side and be formed on the fixation side of cylinder becomes very little, can carry out cylinder grinding or brush grinding with the short time, this cylinder grinds or the brush grinding is used for shape finishing cut-out ora terminalis according to the rules.
And, in the present invention, when cutting off above-mentioned cylinder, the set positions of the front end of this shearing tool when preferably deep enters in above-mentioned slot part with above-mentioned shearing tool is 0.2～0.4 times position of the thickness of slab size of above-mentioned cylinder for the distance apart from the deep of above-mentioned slot part.
The present inventor is by various tests, and when cutting off cylinder, the degree of depth that enters slot part according to shearing tool is learnt the change of shape of above-mentioned cut-out ora terminalis.Thus, if the distance in the deep of the front end of shearing tool and slot part is than 0.2 times little of the thickness of slab size of above-mentioned cylinder, after then cutting off, withdrawing from cutter in the slot part need spend for a long time, the cut-out ora terminalis of the fixation side of cylinder and the time of contact of cutter are elongated, so be formed on the cut-out ora terminalis of on-fixed side of cylinder and the shape of cut-out ora terminalis that forms the fixation side of cylinder produces difference.And if the distance in the deep of the front end of shearing tool and slot part is than 0.4 times big of the thickness of slab size of above-mentioned cylinder, then cutter shoals to entering of slot part, has reduced the throw-on pressure to the cylinder of slot part inwall, so can not form above-mentioned necking down fully.For this reason, in the present invention, position till entering from the deep of slot part to 0.2～0.4 times distance of the thickness of slab size that has above-mentioned cylinder by the front end that makes above-mentioned shearing tool, thus can make the cut-out ora terminalis of the on-fixed side that is formed on cylinder and be formed on that the difference of shape of cut-out ora terminalis of fixation side of cylinder is very little can cut off the formation becket infalliblely.
Description of drawings
Fig. 1 is the key diagram of the device of expression one embodiment of the present invention.
Fig. 2 is the profile of expression explanation cutter and slot part.
Fig. 3 is the key diagram of cut-out operation of the cylinder of expression present embodiment.
The local amplification profile of the cylinder when Fig. 4 is expression explanation cut-out.
Fig. 5 is the key diagram of a part of the cut-out operation of expression cylinder.
Fig. 6 is in order to compare other the profile of cut-out ora terminalis shape of cylinder of expression explanation.
Fig. 7 is the expression explanation is formed on the cut-out ora terminalis shape on the cylinder by present embodiment a profile.
Fig. 8 is the profile that expression illustrates other slot part.
The explanation profile is amplified in the part of the cylinder when Fig. 9 is the cut-out of the expression slot part that adopts Fig. 8.
Figure 10 represents to illustrate the slot part that adopts Fig. 8 and the profile of the cut-out ora terminalis shape that forms.
Figure 11 is a key diagram of representing other supporting tool.
Figure 12 is the profile of the expression explanation device form when adopting the supporting tool of Figure 11.
The specific embodiment
It is that a kind of width according to the rules cuts off the becket that thereby metal cylinder W makes does not have illustrated buncher to use conveyer belt with ring-cutting form respectively that Fig. 1 represents the shearing device 1 of present embodiment.With the plate-shaped of the rectangular planar of extra-high tensile steel become cylindric after, form above-mentioned cylinder W by mutual butt joint solder joints two ora terminalis.
The shearing device 1 of present embodiment as shown in Figure 1, is made of the cylinder supporting mechanism 2 of the above-mentioned cylinder W of support and the shut-off mechanism 3 of cut-out cylinder W.
Above-mentioned cylinder supporting mechanism 2 possesses: back shaft 4, and it does not rotate by there being illustrated rotating drive mechanism; With supporting tool 5, it is connected on this back shaft 4, at its peripheral support cylinder W, and as the contact instrument that contacts with the inner face of this cylinder W.
Above-mentioned supporting tool 5 as shown in Figure 1, forms cylindricly by metal, form a plurality of slot parts 8 along the off-position (cutting into position of shearing tool 7 described later) of cylinder W with predetermined distance in its periphery.The cylinder W that is supported by supporting tool 5 clamps an end by a plurality of clamp mechanism 4a that are arranged on the back shaft 4, and according to fixing with the mode of supporting tool 5 unitary rotation.
Be formed on the slot part 8 of this supporting tool 5, as described in Figure 2, form section and look roughly V word shape.Then, this slot part 8 is further described in detail, in the present embodiment, the madial wall 9 of the both sides of slot part 8 forms flexure plane 10, and this flexure plane 10 stretches to the inboard of slot part 8.In addition, the size of space a of upper limb 9a, the 9b of the madial wall 9 of the both sides of slot part 8 is made as about 20 times of thickness of slab size b of cylinder W (so long as 15～30 times get final product).And the depth dimensions c in the deep 11 of slot part 8 is made as about 2 times of thickness of slab size b of cylinder W (so long as 1～3 times get final product), and the radius of curvature of the flexure plane 10 of madial wall 9 is made as about 30 times of thickness of slab b of cylinder W (so long as 15～50 times get final product).And deep 11 is formed flatly between the madial wall 9 of both sides.The width dimensions d of this planar portions 11a is narration at length in the back, but the shape of the cut-out ora terminalis when cutting off cylinder W is set.
Above-mentioned shut-off mechanism 3 as shown in Figure 1, possesses turning cylinder 12 and discoid shearing tool 7, and this discoid shearing tool 7 is supported on this turning cylinder 12 integratedly.This shut-off mechanism 3 possesses when cylinder W makes shearing tool 7 advance and retreat, makes it along the advance and retreat travel mechanism (not diagram) that the axis direction of cylinder W moves.And shearing tool 7 is arranged to rotate free by turning cylinder 12.Because shearing tool 7 rotates free, by with the contacting of the cylinder W that rotates because of above-mentioned cylinder supporting mechanism 2, shearing tool 7 can rotate thereupon, realizes that shearing tool 7 is cutting off cylinder W on week entirely.And the cut-out of the cylinder W of the shearing tool 7 by this shut-off mechanism 3 is carried out according to every Rack from the on-fixed side of this cylinder W (not being fixed on a side on the supporting tool 5 by above-mentioned clamp mechanism 4a).In addition, can not rotate by there being illustrated rotating drive mechanism to drive shearing tool 7 through turning cylinder 12 yet.
By by the above device that constitutes 1, when cylinder W is formed becket around cutting, at first, as shown in Figure 1, the cylinder W that extrapolation is supported on the supporting tool 5 rotates by supporting mechanism 2, and then, above-mentioned shut-off mechanism 3 is near cylinder W and shearing tool 7 incision cylinder W.At this moment, rotate by cylinder W, shearing tool 7 can obtain the becket of Rack around the full Zhou Jinhang incision of cylinder W.
At this, the action during to shearing tool 7 incision cylinder W is illustrated.At first, shown in Fig. 3 (a), after shearing tool 7 was pressed against on the cylinder W, shearing tool 7 began to cut off in the outer peripheral face side incision of cylinder W thus.At this moment, as shown in Figure 2, it is in 1/3 the scope f of thickness of slab size b of cylinder W and near the on-fixed side (keeping right among the figure) of above-mentioned cylinder W that the cutting into position of the front end of shearing tool 7 is arranged on apart from the distance of the central s of the size of space a of upper limb 9a, the 9b of the madial wall 9 of the both sides of slot part 8, carries out its control by above-mentioned advance and retreat travel mechanism.
And shown in Fig. 3 (a), the cylinder W that presses by shearing tool 7 is along flexure plane 10 bendings of the madial wall 9 of slot part 8.And at this moment, cylinder W is the state that leaves from deep 11, also is moment even perhaps contact with deep 11.
Then, shown in Fig. 3 (b), carry out the incision to cylinder W of shearing tool 7, after the inner peripheral surface side joint of the front end of shearing tool 7 and cylinder W is near, form the necking down X of recessed distortion towards the front end of shearing tool 7 in the inner peripheral surface side of cylinder W.As shown in Figure 4, incision by shearing tool 7 deviates from direction generation metal flow at metal upper edge and the cutter of cylinder W, along with the generation of this phenomenon, stretching does not also have interior all sides of cut cylinder W, forms this necking down X by the local attenuation of thickness towards the part of the front end of shearing tool 7.So, in order to make the metal generation metal flow of cylinder W at this moment, and make the flexure plane bending of cylinder W along the madial wall 9 of slot part 8, take place smoothly in order to make above-mentioned necking down X, so that the state that cylinder W leaves from slot part 8 deeps 11 is set each size of slot part 8.Promptly, the inventor carries out various tests about the relation of the generation of each size of slot part 8 and above-mentioned necking down X, as shown in Figure 2, learn by its result: 15～30 times of thickness of slab size b that the size of space a of upper limb 9a, the 9b of the madial wall 9 of the both sides of slot part 8 are made as cylinder W, the depth dimensions c in the deep 11 of slot part 8 is made as 1～3 times of thickness of slab size b of cylinder W, and, the radius of curvature of the flexure plane 10 of madial wall 9 is made as 15～50 times of thickness of slab size b of cylinder W, above-mentioned necking down X can takes place infalliblely by above-mentioned setting.Present embodiment is with this basis, the size of space a of upper limb 9a, the 9b of the madial wall 9 of the both sides of slot part 8 is made as about 20 times of thickness of slab size b of cylinder W, the depth dimensions c in the deep 11 of slot part 8 is made as about 2 times of thickness of slab size b of cylinder W, the radius of curvature of flexure plane 10 is made as about 30 times of thickness of slab size b of cylinder W, sufficient above-mentioned necking down X takes place.
Then, shown in Fig. 3 (c), necking down X from the deep 11 of slot part 8 away from state under, cut off cylinder W by shearing tool 7.At this moment, the front position of shearing tool 7 is set at the position that has 0.2～0.4 times of distance of thickness of slab size of above-mentioned cylinder apart from the deep 11 of above-mentioned slot part 8, carries out its control by above-mentioned advance and retreat travel mechanism.Thus, contact with the deep 11 of slot part 8 by 7 ones of shearing tools and finish cut-out.In addition, if the basil of shearing tool 7 than 90 ° big, then too much increases the metal flow that is arranged in both sides when incision cylinder W, warpage and wave bending take place on cylinder W.If the basil is little than 50 °, then the front end of shearing tool 7 is too sharp, owing to the generation of blade damage etc. reduces durability.So preferred 50～90 ° of the basil of cutter 7 is made as 60 ° with the basil of cutter 7 in the present embodiment based on this.And, the position of the front end of the shearing tool 7 when finishing about cut-out, if the distance h in the deep 11 of the front end of this cutter 7 and slot part 8 is than 0.2 times little of the thickness of slab size b of above-mentioned cylinder, then withdrawing from cutter 7 in the slot part 8 after cut-out will take a long time, the cut-out ora terminalis of the fixation side of cylinder W and the time of contact of cutter 7 are elongated, so produce the cut-out ora terminalis of the on-fixed side that is formed on cylinder W and the difference of the shape of the cut-out ora terminalis of the fixation side that is formed on cylinder W.And, if the distance in the deep 11 of the front end of shearing tool 7 and slot part 8 is than 0.4 times big of the thickness of slab size b of above-mentioned cylinder W, then the entering of slot part 8 to cutter 7 shoals, and reduces the throw-on pressure to the cylinder W of slot part 8 madial walls 9, so can not fully form above-mentioned necking down X.Thus, the position of the front end of the shearing tool 7 when cut-out is finished preferably is set in advance in the position of the distance of 0.2～0.4 times of the thickness of slab size that has above-mentioned cylinder W apart from the deep 11 of slot part 8, thus, thus the difference of shape of cut-out ora terminalis that is formed on the fixation side of the cut-out ora terminalis of on-fixed side of cylinder W and cylinder W becomes very little can cut off the formation becket infalliblely.
And shown in Fig. 3 (d), shearing tool 7 retreats from cylinder W and leaves.Because at the inner peripheral surface side generation necking down X of cylinder W, and stay the curved shape that the necking down of the angle edge by the inner peripheral surface side forms and cut off cylinder W.And further, as shown in Figure 2, be arranged on by cutting into position: apart from the upper limb 9a of the madial wall 9 of the both sides of slot part 8 front end of shearing tool 7, the distance of the central s of the size of space a of 9b is in 1/3 the scope f of thickness of slab size b of cylinder W and near the on-fixed side (keeping right among the figure) of above-mentioned cylinder W, retreating shearing tool 7 and when cylinder W leaves, the difference of shape of cut-out ora terminalis (ora terminalis of the becket that is cut off) of taking the on-fixed side of a part of cutting off ora terminalis and cylinder W even the cut-out ora terminalis of the fixation side of cylinder W contacts with shearing tool 7 out of becomes very little.
Situation to this moment is described in more detail, and as shown in Figure 5, when shearing tool 7 left from slot part 8, at the on-fixed end of cylinder W, cut becket Y became freedom of movement, cuts off ora terminalis Z
1After just cutting off becket Y, leave from shearing tool 7.But, the cut-out ora terminalis Z of the fixation side of cylinder W
2Can not leave from shearing tool 7 immediately because the end of cylinder W is fixed, keep withdrawing from from slot part 8 up to shearing tool 7 with cutter 7 state of contact.Therefore, when the cutting into position of the front end of shearing tool 7 is located at the central s of size of space a of upper limb 9a, 9b of madial wall 9 of both sides of slot part 8, as shown in Figure 6, take the cut-out ora terminalis Z of the fixation side of cylinder W out of by shearing tool 7
2A part, the cut-out ora terminalis Z of the fixation side of cylinder W
2Cut-out ora terminalis Z with the on-fixed side of cylinder W
1Shape very big-difference is arranged.So, in the present embodiment,, as shown in Figure 7, make the cut-out ora terminalis Z of the on-fixed side of cylinder W by in advance the cutting into position of the front end of shearing tool 7 being located near on-fixed side (keeping right among the figure)
1Formation zone shorten, can form two with very approximate shape and cut off ora terminalis Z
1, Z
2Shape.
So,, as shown in Figure 7, can form the cut-out ora terminalis Z of the fixation side of cylinder W according to present embodiment
2Cut-out ora terminalis Z with the on-fixed side of the cylinder W that becomes becket Y
1Unusual Jin Si shape, and, do not have because of above-mentioned necking down X and cut off ora terminalis Z two
1, Z
2Produce burr, so can shorten the shaping processing time that so-called cylinder grinds or brush grinds of carrying out in subsequent handling.And, by adopting the cut-out of being undertaken by shearing tool 7, compare during with the employing emery wheel, there is not each to cut off ora terminalis Z
1, Z
2Cut, can improve the yield rate of the becket Y that obtains from cylinder W.
At this, width dimensions d to the planar portions 11a in the deep 11 that is formed on above-mentioned above-mentioned slot part 8 is illustrated, as shown in Figure 4, when shearing tool 7 cuts off cylinder W, the necking down X of cylinder W is with the cut while under the state that leaves from the deep 11 of slot part 8, and the part that contact with the shearing tool 7 that cuts off ora terminalis is accepted to be pressed and along with the shape of shearing tool 7 tilt (the 1st cut-out inclined plane 15) by the incision that shearing tool 7 carries out.Yet at this moment, the part that contact with the slot part 8 that cuts off ora terminalis is crimped on planar portions 11a and goes up and be out of shape, and along with the shape of planar portions 11a tilt (the 2nd cut-out inclined plane 16).Thus, can copy planar portions 11a and form the 2nd and cut off the amount on inclined plane 16, form the shape that necking down X is prolonged, make the position that cuts off top 14 center side near thickness of slab size b.
And, as shown in Figure 7, when preestablishing the position that cuts off top 14 and being positioned at thickness of slab size b central the 2nd cut off the width dimensions e on inclined plane 16, as shown in Figure 2, by in advance the width dimensions d of planar portions 11a being made as the 2nd 2 times of width dimensions e that cut off inclined plane 16, as shown in Figure 7, can make the position that cuts off top 14 be positioned at the central authorities of thickness of slab size b accurately.
In addition, in the present embodiment, in order to make the center side of the close thickness of slab size b in position that cuts off top 14, though show the planar portions 11a in the deep 11 that is formed on above-mentioned slot part 8, but it is for example shown in Figure 8, form planar portions even without deep 11 at slot part 8, as shown in Figure 9, incision by shearing tool 7 deviates from direction generation metal flow at metal upper edge and the cutter of cylinder W, and along with the generation of this phenomenon, stretching does not also have interior all sides of cut cylinder W, the local attenuation of thickness towards the part of the front end of shearing tool 7, as shown in figure 10, so can form sufficient necking down X, can prevent the generation of burr of the cut-out ora terminalis of becket Y.
And, in the present embodiment, as shown in Figure 7, for the cut-out ora terminalis Z of the fixation side that forms cylinder W
2Cut-out ora terminalis Z with the on-fixed side of the cylinder W that becomes becket Y
1Unusual Jin Si shape, as shown in Figure 2, showing cutting into position with the front end of shearing tool 7, to be arranged on apart from the distance of the central s of the size of space a of upper limb 9a, the 9b of the madial wall 9 of the both sides of slot part 8 be in 1/3 the scope f of thickness of slab size b of cylinder W and near the on-fixed side (keeping right among the figure) of above-mentioned cylinder W, for example, need not to make cut-out ora terminalis Z to prevent to cut off the occuring as main purpose of burr of ora terminalis
1With cut-out ora terminalis Z
2The akin situation of shape under, also the cutting into position of the front end of shearing tool 7 can be set on the central s of size of space a of upper limb 9a, 9b of madial wall 9 of both sides of slot part 8.
At this moment, as shown in figure 11, also can adopt along its length direction and form a plurality of supporting tools cylindraceous 18 that cut groove 17.The groove 17 that cuts that is formed on this supporting tool 18 is with mutually alternately open and dispose in the also open mode of another ora terminalis at an ora terminalis of this supporting tool 18, and the expansion at the interval by respectively cutting groove 17 can freely enlarge the external diameter of this supporting tool 18.The slot part 8 that is formed on this supporting tool 18 is of similar shape with above-mentioned slot part.
When adopting such supporting tool 18, as shown in figure 12, adopt cylinder supporting mechanism 20, this cylinder supporting mechanism 20 possesses the hole enlargement mechanism 19 that makes supporting tool 18 hole enlargements.Formation to this cylinder supporting mechanism 20 is illustrated simply, with the back shaft 21 that does not have illustrated rotating drive mechanism to be connected on, by hole enlargement collet chuck (collet) 22 dismounting freely supporting tool 18 is installed freely.The above-mentioned hole enlargement mechanism 19 that makes supporting tool 18 hole enlargements through collet chuck 22 is set at the leading section of back shaft 21.This hole enlargement mechanism 19 makes conical part 24 advance and retreat by the rotation of pressing nut 23, by making collet chuck 22 hole enlargements, can make supporting tool 18 hole enlargements.And, by under the state of back-up roller W, making supporting tool 18 hole enlargements, make supporting tool 18 be close to the inner peripheral surface of cylinder W.Thus, can prevent the slip of supporting tool 18 and cylinder W, obtain the high becket of precision thereby the deviation of the width dimensions of each becket that cuts off from cylinder W is reduced significantly.
In addition, in the present embodiment, shown the device 1 that cuts off the cylinder W that forms by metal thin plate, but the present invention is not limited only to this, even do not illustrate flat thin plate, also can adopt the shape and the shearing tool 7 of Fig. 2 or above-mentioned slot part 8 shown in Figure 8, can prevent the generation of burr and form the cut-out ora terminalis.
The industry utilizability
The present invention, it is by cutting off by metal for the situation of cutting off thin metallic plate or with ring-cutting form Sheeting and the situation of the cylinder cylindraceous that forms can prevent from cutting off the generation of the burr of ora terminalis Simultaneously, the shape that the end ora terminalis is cut in finishing also becomes very easy, for example, and at the power of buncher In the manufacturing of the conveyer belt of transmission usefulness, be fit to utilize.
Claims (7)
1. the shearing device of a thin metallic plate, width cuts off metal thin plate according to the rules, it is characterized in that,
Comprise: be connected to described thin plate the table side assigned position the shearing tool that is used for cutting off this thin plate with possess and opposed slot part of the off-position of this shearing tool and the contact instrument that contacts with the medial surface of described thin plate,
Described shearing tool, by constituting than the high metal of described thin plate hardness and basil scope is 50～90 °, the slot part of described contact instrument forms section and looks V word shape, the last intermarginal size of space of two madial walls of this slot part is 15～30 times of thickness of slab size of described thin plate, and, the depth dimensions in deep that is positioned at the central authorities of this slot part is 1～3 times of thickness of slab size of described thin plate, further, 15～50 times the radius of curvature and possess of two madial walls of this slot part with thickness of slab size of described thin plate stretched to the flexure plane in this slot part.
2. the shearing device of thin metallic plate as claimed in claim 1 is characterized in that, the slot part of described contact instrument, and its deep possesses the planar portions of smooth formation, and the degree of depth of this planar portions between two madial walls is certain.
3. the shearing device of thin metallic plate as claimed in claim 2, it is characterized in that, when cutting off by described shearing tool, on the cut-out ora terminalis of this thin plate, be formed with along with the 1st of the sword face tilt of described shearing tool cuts off the inclined plane, the 2nd cuts off front end and the 2nd that inclined plane and the 1st cuts off the inclined plane and cut off the cut-out top that the front end on inclined plane intersects along with what the planar portions of described slot part tilted
Cut off the top when cutting off the width dimensions of inclined plane starting point apart from the described the 2nd preestablishing for the cut-out top that makes described thin plate is positioned at the central authorities of thickness of slab, the width dimensions across between two madial walls of described slot part of described planar portions is made as the described the 2nd 2 times of width dimensions that cut off the inclined plane.
4. as the shearing device of any described thin metallic plate in the claim 1～3, it is characterized in that, described thin metallic plate forms cylinder cylindraceous, described contact instrument forms can contact with the inner peripheral surface of described cylinder cylindric and keeps this cylinder in periphery, described slot part is a plurality of with the predetermined distance configuration on the outer peripheral face of described contact instrument, described shearing tool forms at periphery possesses the discoid of cutting blade, while rotate the outer peripheral face of cutting cylinder with the corresponding part of described slot part, cut off this cylinder along Zhou Fangxiang with Rack and form the becket of ring-type.
5. the shearing device of thin metallic plate as claimed in claim 4 is characterized in that, described contact instrument possesses a plurality of grooves that cut that extend along its axis direction, and the hole enlargement freedom.
6. the shearing device of thin metallic plate as claimed in claim 4, it is characterized in that, described contact instrument, it is a side of not fixing by above-mentioned clamp mechanism in 1/3 the scope (f) of thickness of slab size (b) of described cylinder (w) and near the other end of this cylinder that the clamp mechanism that possesses an end of fixing this cylinder when periphery maintains described cylinder, the front position of the described shearing tool when cutting described slot part by this cylinder are set in apart from the distance of the central authorities (s) of the size of space of the two madial wall upper limbs (9a, 9b) of this slot part (8).
7. the shearing device of thin metallic plate as claimed in claim 6, it is characterized in that, when cutting off described cylinder, the front position that above-mentioned shearing tool enters this shearing tool when the darkest in the described slot part is set in: the distance in deep is 0.2～0.4 times position of the thickness of slab size of described cylinder in the described slot part.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP104829/2003 | 2003-04-09 | ||
| JP2003104829A JP3910933B2 (en) | 2003-04-09 | 2003-04-09 | Metal sheet cutting machine |
| JP066170/2004 | 2004-03-09 | ||
| JP066171/2004 | 2004-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1771105A CN1771105A (en) | 2006-05-10 |
| CN100431758C true CN100431758C (en) | 2008-11-12 |
Family
ID=33467509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800095129A Expired - Fee Related CN100431758C (en) | 2003-04-09 | 2004-04-07 | Cutting device for thin metallic plate |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3910933B2 (en) |
| CN (1) | CN100431758C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5457014B2 (en) * | 2008-11-19 | 2014-04-02 | 三星ダイヤモンド工業株式会社 | Resin film cutting method and apparatus, and cutter used therefor |
| JP2013052470A (en) * | 2011-09-02 | 2013-03-21 | Sumitomo Electric Fine Polymer Inc | Belt cutting method, and locking tool |
| CN103737098B (en) * | 2014-01-02 | 2016-08-17 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of Oil pipe cutter |
| CN105881614B (en) * | 2014-12-19 | 2018-08-28 | 宁波市鄞州派合机械有限公司 | A kind of novel pipe cutting machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108784A (en) * | 1984-12-07 | 1986-07-09 | 路德维希·巴林特 | Method and apparatus for cutting pipe |
| JPH05177246A (en) * | 1991-12-27 | 1993-07-20 | Noge Denki Kogyo:Kk | Plated tungsten wire rod and drawing thereof |
| US5845630A (en) * | 1996-04-25 | 1998-12-08 | Komatsu Electronic Metals Co., Ltd. | Process and apparatus for fabricating a semiconductor wafer |
| WO2002028580A1 (en) * | 2000-10-05 | 2002-04-11 | Honda Giken Kogyo Kabushiki Kaisha | Cutting device for sheet metal drum |
-
2003
- 2003-04-09 JP JP2003104829A patent/JP3910933B2/en not_active Expired - Fee Related
-
2004
- 2004-04-07 CN CNB2004800095129A patent/CN100431758C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108784A (en) * | 1984-12-07 | 1986-07-09 | 路德维希·巴林特 | Method and apparatus for cutting pipe |
| JPH05177246A (en) * | 1991-12-27 | 1993-07-20 | Noge Denki Kogyo:Kk | Plated tungsten wire rod and drawing thereof |
| US5845630A (en) * | 1996-04-25 | 1998-12-08 | Komatsu Electronic Metals Co., Ltd. | Process and apparatus for fabricating a semiconductor wafer |
| WO2002028580A1 (en) * | 2000-10-05 | 2002-04-11 | Honda Giken Kogyo Kabushiki Kaisha | Cutting device for sheet metal drum |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1771105A (en) | 2006-05-10 |
| JP3910933B2 (en) | 2007-04-25 |
| JP2004306214A (en) | 2004-11-04 |
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