CN205237726U - Circle disc cutter clamping device - Google Patents

Abstract

The utility model discloses a circle disc cutter clamping device belongs to the abrasive machining field, and two end face centre on the frock axle department in its clamping device all is equipped with the centre hole, is equipped with the thimble on the centre hole, being equipped with the end cap hole on the frock axle left end face, being equipped with the end cap on the end cap hole, the inside of frock axle middle part is equipped with the oil pocket along length direction, and frock axle middle part surface cover has a round disc cutter, and circle disc cutter right side is equipped with the briquetting, and the briquetting outside is equipped with gland nut, and the frock in the gland nut outside is epaxial to be equipped with rotatory driving lever, circle disc cutter left side is equipped with the dog, and the dog diameter is greater than frock axle diameter, the inside breathing mechanism that is equipped with of dog, and the plunger rod of breathing mechanism is located the piston intracavity that the dog was seted up along its outer peripheral face centering position, and plunger rod upper portion is equipped with the housing pin, and the piston chamber all communicates with oil pocket and end cap hole, adopts the technical scheme of the utility model make circle disc cutter in after the grinding circle high with the excircle concentricity, guaranteed the tape product quality of round disc cutter after the strip divides.

Description

A kind of cutting disc clamping device

Technical field

The utility model relates to Grinding Technology field, more particularly, relates to a kind of cutting disc clamping device.

Background technology

Grinding is conventional method for fine finishing, and grinding quality directly affects precision and the quality of workpiece, and the key technology of scissors products processing is grinding and polishing. Cutter is cut grinding and is different from plain grinding, and its grinding feature has that stock removal is large, case hardness is high, have a fine grain etc., belongs to disposable high-rate grinding. In grinding process, can produce that mill is burnt, turned, the head that collapses, cutter clip line is not straight, cutting root has step, crackle, texture the defect such as to cross slightly.

For a long time, the grinding of cutting disc is only simply thought blade is installed to one by one on sharpening tooling shaft and locked, then is fixed in integral grinding 0.2mm ~ 0.5mm on grinding machine. by actual production service condition, blade is installed to one by one to the blade of grinding method grinding of sharpening tooling shaft because the blade that front and back grinding goes out there are differences, can only be used for the less demanding band of itemize quality of edges, but along with the high request product that progressively integrates with, just need high-quality band, therefore divide the quality of edges of band to require more and more high, original grinding and clamping device installs to blade on blade that sharpening tooling shaft carries out grinding and can not meet the user demand in market one by one. while carrying out grinding due to blade on sharpening tooling shaft again at present, the diameter that the interior diameter of a circle of blade is always greater than sharpening tooling shaft can not be clamped on sharpening tooling shaft blade in the time that the cylindrical of blade carries out grinding, cause the concentricity of blade inner circle that grinding goes out and cylindrical poor, the poor blade of concentricity always there will be in the process of point band and band trimming, bottom knife beating on shear surface, when upper, bottom knife is beated when large relatively at shear surface, cause band to reach the shearing degree of depth, just will make band cut, when not reaching the shearing degree of depth, band will be torn, the limit portion trimming quality of making compositional banding is poor. in a word, clamping device when good blade capabilities and grinding thereof is the key that ensures the limit portion trimming quality of point band.

Through retrieval, Chinese Patent Application No.: 2014201133237, the applying date: on March 13rd, 2014, invention and created name is: a kind of grinding attachment for aluminum strip bead cutter disk edge-trimming cutter, this application case discloses a kind of grinding attachment for aluminum strip bead cutter disk edge-trimming cutter, it is made up of sleeve, some spacer rings, gland, sleeve is "T"-shaped cylinder, the center, two ends of this sleeve is respectively equipped with integrated front mandrel and rear mandrel, on front mandrel and rear mandrel, is respectively provided with mandrel centre bore; Spacer ring is enclosed within on sleeve, for pressing disk edge-trimming cutter; Gland is enclosed within on rear mandrel and is fixed by nut. This application case is taked the method for four disposable while grindings of disk edge-trimming cutter on bead cutter, ensure that four disk edge-trimming cutters its diameter after grinding on aluminum strip bead cutter is precisely standardized, but in grinding process, single disk edge-trimming cutter inner circle and cylindrical concentricity are poor, easily cause upper and lower cutting disc edge-trimming cutter relatively to beat greatly at shear surface, affect trimming quality.

Utility model content

The technical problem that utility model will solve

The purpose of this utility model is to overcome the poor deficiency of limit portion trimming quality that in prior art, band divides band, a kind of cutting disc clamping device is provided, make housing pin promote plunger rod by the breathing knob in breathing mechanism and act on the hydraulic oil in tooling shaft oil pocket, thereby the inner circle of cutting disc is clamped on the tooling shaft of expansion, make cutting disc after grinding inner circle and cylindrical concentricity high, thereby ensured the tape product quality of edges of cutting disc after band itemize.

Technical scheme

For achieving the above object, the technical scheme that the utility model provides is:

A kind of cutting disc clamping device of the present utility model, comprise tooling shaft and thimble, it also comprises block, briquetting, clamp nut and rotation driving lever, and the end face center at the described left and right two ends of tooling shaft is provided with centre hole, on described centre hole, is equipped with thimble; On described tooling shaft left side, be also provided with plug hole, on described plug hole, be equipped with plug, the inside at described tooling shaft middle part offers oil pocket along its length, and the axis of described oil pocket overlaps with the axis of tooling shaft, and the cross section of described oil pocket is circular.

Described tooling shaft middle part appearance surface cover has cutting disc, described cutting disc right side is provided with briquetting, described briquetting outside is provided with clamp nut, by clamp nut, briquetting is against on cutting disc, on the tooling shaft in described clamp nut outside, is provided with rotation driving lever; Described cutting disc left side is provided with block, and the diameter of this block is greater than the diameter of tooling shaft, and described block inside is provided with breathing mechanism.

Above-mentioned breathing mechanism comprises housing pin and plunger rod, described plunger rod is positioned at the plunger shaft that block is offered to center along its outer peripheral face, the top of described plunger rod is provided with housing pin, breathing knob is installed on described housing pin, and described plunger shaft is all communicated with oil pocket and plug hole.

Further, the diameter of described block is less than the outside diameter of cutting disc, and the diameter of block is greater than the interior diameter of a circle of cutting disc.

Further, on described tooling shaft, be provided with oil-in.

Further, on the contact-making surface of described plunger rod and plunger shaft, be provided with sealing ring.

Further, the material of described rotation driving lever is No. 45 steel.

Beneficial effect

The technical scheme that adopts the utility model to provide, compared with prior art, has following remarkable result:

(1) a kind of cutting disc clamping device of the present utility model, block inside at clamping device is provided with breathing mechanism, breathing mechanism comprises housing pin and plunger rod, plunger rod is positioned at the plunger shaft that block is offered to center along its outer peripheral face, on the contact-making surface of plunger rod and plunger shaft, be provided with sealing ring, the top of plunger rod is provided with housing pin, breathing knob is installed on housing pin, plunger shaft is all communicated with oil pocket and plug hole, after several cutting dives are stacked and are enclosed within on the outer surface of tooling shaft middle part, thereby regulate again the breathing knob on block to make housing pin promotion plunger rod act on the hydraulic oil in oil pocket, hydraulic oil is stressed expansion in limited space, thereby the hydraulic oil of stressed expansion remakes for the inwall of oil pocket the diameter of tooling shaft is increased to some extent, and then the inner circle of cutting disc is clamped on the tooling shaft of expansion, this process has effectively ensured the position of cutting disc in grinding process, improve the concentricity of cutting disc inner circle and cylindrical, and then ensure the quality that cutting disc carries out band itemize or trimming, the mechanism structure of breathing is simultaneously simple, low cost of manufacture.

(2) a kind of cutting disc clamping device of the present utility model, on clamping device tooling shaft left side, be provided with plug hole, on plug hole, be equipped with plug, due to after clamping device uses for a long time, the dregs of fat in the hydraulic oil of tooling shaft oil pocket can precipitate, affect the result of use of clamping device, therefore need the hydraulic oil of oil pocket regularly to change, on tooling shaft left side, being provided with plug hole carries out fuel-displaced, in the time changing hydraulic oil, easily produce the dregs of fat at plug hole place, greasy dirt etc., by be equipped with plug on plug hole, each need to split out cleaning by plug, and this plug convenient disassembly, processing is simple, low cost of manufacture.

Brief description of the drawings

Fig. 1 is the use state diagram of a kind of cutting disc clamping device of the present utility model;

Fig. 2 is the structural representation of cutting disc in the utility model;

Fig. 3 is the structural representation of tooling shaft in the utility model.

Label declaration in schematic diagram:

1, block; 101, housing pin; 102, plunger rod; 2, thimble; 3, cutting disc; 31, inner circle; 32, cylindrical; 4, briquetting; 5, clamp nut; 6, rotation driving lever; 7, breathing knob; 8, emery wheel; 9, tooling shaft; 901, oil pocket; 902, plug; 903, centre hole.

Detailed description of the invention

For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.

Embodiment 1

In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of cutting disc clamping device of the present embodiment, comprise tooling shaft 9 and thimble 2, it also comprises block 1, briquetting 4, clamp nut 5 and rotation driving lever 6, the end face center at tooling shaft 9 left and right two ends is provided with centre hole 903, is equipped with thimble 2 on centre hole 903; Tooling shaft is also provided with plug hole on 9 left sides, is equipped with plug 902 on plug hole, and the inside at tooling shaft 9 middle parts offers oil pocket 901 along its length, and the axis of oil pocket 901 overlaps with the axis of tooling shaft 9, and the cross section of oil pocket 901 is circular.

Tooling shaft 9 middle part appearance surface covers have cutting disc 3, cutting disc 3 right sides are provided with briquetting 4, and briquetting 4 outsides are provided with clamp nut 5, by clamp nut 5, briquetting 4 are against on cutting disc 3, on the tooling shaft 9 in clamp nut 5 outsides, be provided with rotation driving lever 6, the material of rotation driving lever 6 is No. 45 steel; Cutting disc 3 left sides are provided with block 1, the diameter of this block 1 is greater than the diameter of tooling shaft 9, in the present embodiment, the diameter of block 1 is less than cylindrical 32 diameters of cutting disc 3, and the diameter of block 1 is greater than the diameter of the inner circle 31 of cutting disc 3, cutting disc 3 can be fixed on tooling shaft 9, complete the grinding of cutting disc 3 cylindricals 32.

But the diameter of cutting disc 3 inner circles 31 is always greater than the diameter at tooling shaft 9 middle parts in actual production process, while making cutting disc 3 be fixed on tooling shaft 9 grinding, can not clamp, cause after cutting disc 3 grindings the concentricity of its cylindrical 32 and inner circle 31 poor. As everyone knows, cutting disc 3 is in itemize or trimming process, shear by the cutting disc 3 that be arranged in parallel in the upper and lower surface of band to be cut, when cutting disc 3 inner circles 31 and cylindrical 32 concentricitys are when high, upper and lower cutting disc 3 is beated little at shear surface relatively, upper and lower surface band all can reach the shearing degree of depth, and band is cut, and makes band itemize or trimming quality higher; When cutting disc 3 inner circles 31 and cylindrical 32 concentricitys are when poor, upper and lower cutting disc 3 is beated greatly relatively at shear surface, while causing band and reach the shearing degree of depth, band is cut; Time and do not reach the shearing degree of depth, band is torn, have a strong impact on the quality of band itemize or trimming, therefore cutting disc 3 inner circles 31 are the key points that solve band itemize or trimming quality with the problem of cylindrical 32 concentricitys.

In order to solve cutting disc 3 inner circles 31 problem poor with cylindrical 32 concentricitys, block 1 inside is in the present embodiment provided with breathing mechanism, this breathing mechanism comprises housing pin 101 and plunger rod 102, plunger rod 102 is positioned at the plunger shaft that block 1 is offered to center along its outer peripheral face, on the contact-making surface of plunger rod 102 and plunger shaft, be provided with sealing ring, the top of plunger rod 102 is provided with housing pin 101, breathing knob 7 is installed on housing pin 101, plunger shaft is all communicated with oil pocket 901 and plug hole, on tooling shaft 9, is provided with oil-in. in the present embodiment, several cutting dives 3 are stacked and are enclosed within on tooling shaft 9 middle part outer surfaces, thereby regulate again breathing knob 7 on block 1 make housing pin 101 promote plunger rod 102 act in oil pocket 901 hydraulic oil, hydraulic oil is stressed expansion in limited space, thereby the hydraulic oil of stressed expansion remakes for the inwall of oil pocket 901 diameter of tooling shaft 9 is increased to some extent, and then the inner circle of cutting disc 3 31 is clamped on the tooling shaft 9 of expansion, effectively ensure the position of cutting disc 3 in grinding process, inner circle 31 and cylindrical 32 concentricitys after cutting disc 3 grindings are improved.

In the present embodiment, offer along its length oil pocket 901 at tooling shaft 9, on tooling shaft 9 left sides, be provided with plug hole, on tooling shaft 9, be also provided with oil-in, in actual production, after cutting disc 3 grinding and clamping devices use for a long time, the dregs of fat in the hydraulic oil of oil pocket 901 can precipitate, affect the result of use of clamping device, therefore need the hydraulic oil of oil pocket 901 regularly to change, on tooling shaft 9 left sides, being provided with plug hole carries out fuel-displaced, in the time changing hydraulic oil, easily produce the dregs of fat at plug hole place, greasy dirt etc., in the present embodiment by be equipped with plug 902 on plug hole, each need to split out cleaning by plug 902, and these plug 902 convenient disassemblies, processing is simple, low cost of manufacture.

Use a kind of cutting disc clamping device of the present embodiment to carry out the method for grinding of cutting disc, its step is as follows:

Step 1: several cutting dives 3 are stacked and are enclosed within on tooling shaft 9 middle part outer surfaces, the left end of the cutting disc 3 being stacked is against on block 1, its right-hand member supports thereon briquetting 4 by clamp nut 5, then by thimble 2, the clamping device of clamping cutting disc 3 is fixed on grinding machine, the thimble cylinder on grinding machine is against on block 1; In a grinding process, the gross thickness of cutting disc 3 phase poststacks is less than 300mm, and a grinding is too much, can affect lathe rigidity, causes lathe to be prone in process of production fault, affects the grinding quality of cutting disc 3 and the grinding efficiency of cutting disc 3;

Step 2: act on the hydraulic oil in oil pocket 901 thereby the breathing knob 7 on adjusting block 1 makes housing pin 101 promote plunger rod 102, hydraulic oil stressed expansion in limited oil pocket 901 spaces, thereby the hydraulic oil of stressed expansion remakes for the inwall of oil pocket 901 diameter of tooling shaft 9 is increased to some extent, and then the inner circle of cutting disc 3 31 is clamped on the tooling shaft 9 of expansion;

Step 3: the stock removal of first stage is set according to the degree of wear of cutting disc 3, thereby adjusts the amount of feeding of emery wheel 8 and cutting disc 3;

Step 4: connect step 3, make emery wheel 8 start grinding from the cutting disc 3 of clamping device left end, start the driving mechanism of emery wheel 8 and grinding machine, now emery wheel 8 rotates with rotational speed omega, driving mechanism on grinding machine drives rotation driving lever 6 to rotate simultaneously, thereby drive the cutting disc 3 on tooling shaft 9 to rotate with speed alpha, driving mechanism when driven rotary driving lever 6 rotates also driven disc 3 do translational motion left with speed v, the axis of grinding process medium plain emery wheel 8 is parallel to the axis of tooling shaft 9, the speed alpha opposite direction of the rotational speed omega of emery wheel 8 and cutting disc 3, be 750mm at the diameter of cutting disc 3 grinding process medium plain emery wheels 8, the rotational speed omega of emery wheel 8 is 450r/min, in actual production in the time that cutting disc 3 wear extenies are 0.5mm, general point is carried out grinding 2 ~ 3 times, and grinding efficiency and grinding quality are all higher,

Step 5: in the time that emery wheel 8 is ground to the low order end of cutting disc 3, start to arrange the stock removal of second stage, readjust the amount of feeding of emery wheel 8 and cutting disc 3, driving mechanism when driven rotary driving lever 6 rotates also driven disc 3 do translational motion to the right with speed v, emery wheel 8 is before each horizontal return of grinding, the lateral surface of emery wheel 8 does not exceed the lateral surface of outermost end cutting disc 3, be that emery wheel 8 starts grinding from the cutting disc 3 of clamping device left end, in the time that emery wheel 8 is ground to the right-hand member of cutting disc 3, emery wheel 8 completes the first stage grinding of cutting disc 3, emery wheel 8 need to make the lateral surface of emery wheel 8 not exceed the lateral surface of outermost end cutting disc 3 when laterally return starts second stage grinding, if exceeding the lateral surface of outermost end cutting disc 3, the lateral surface of emery wheel 8 will make the rigidity of cutting disc 3 grinding systems all will experience disappearance at every turn, in the process of rebuilding at grinding system, can cause cutting disc 3 sharpenings at two ends to cut Quality Down, affect the grinding efficiency of cutting disc 3,

Step 6: repeating step four and step 5, grinding is until the fray of the cylindrical 32 of cutting disc 3 becomes right angle by fillet, therefore when each grinding, must make the fray of the cylindrical 32 of cutting disc 3 become right angle by fillet, because shearing meeting produces the fine crack being invisible to the naked eye on cutting disc 3 continuously, if can not thoroughly grind off, residual fine crack can constantly extend, expand under shear stress, until monoblock comes off, cause cutting disc 3 not re-use.

Utilize in the present embodiment that clamping device carries out the method for grinding of cutting disc 3, the center of circle of guaranteeing concentricity its cylindrical 32 relative its inner circles 31 after grinding of cutting disc 3 remains on beating in scope of 1 ~ 2um, avoid when cutting disc 3 inner circles 31 and cylindrical 32 concentricitys are when poor, upper and lower cutting disc 3 is beated greatly relatively at shear surface, while causing band and reach the shearing degree of depth, just band is cut; Time and do not reach the shearing degree of depth, the phenomenon that band will be torn, thus ensure itemize quality, reduce the burr of point lace portion.

Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this. So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.

Claims (5)

1. a cutting disc clamping device, comprise tooling shaft (9) and thimble (2), it is characterized in that, also comprise block (1), briquetting (4), clamp nut (5) and rotation driving lever (6), the end face center at the described left and right two ends of tooling shaft (9) is provided with centre hole (903), on described centre hole (903), is equipped with thimble (2); On described tooling shaft (9) left side, be also provided with plug hole, on described plug hole, be equipped with plug (902), the inside at described tooling shaft (9) middle part offers oil pocket (901) along its length, the axis of described oil pocket (901) overlaps with the axis of tooling shaft (9), and the cross section of described oil pocket (901) is circular;

Described tooling shaft (9) middle part appearance surface cover has cutting disc (3), described cutting disc (3) right side is provided with briquetting (4), described briquetting (4) outside is provided with clamp nut (5), make briquetting (4) be against cutting disc (3) by clamp nut (5) upper, on the tooling shaft (9) in described clamp nut (5) outside, be provided with rotation driving lever (6); Described cutting disc (3) left side is provided with block (1), and the diameter of this block (1) is greater than the diameter of tooling shaft (9), and described block (1) inside is provided with breathing mechanism;

Above-mentioned breathing mechanism comprises housing pin (101) and plunger rod (102), described plunger rod (102) is positioned at the plunger shaft that block (1) is offered to center along its outer peripheral face, the top of described plunger rod (102) is provided with housing pin (101), on described housing pin (101), breathing knob (7) is installed, described plunger shaft is all communicated with oil pocket (901) and plug hole.

2. a kind of cutting disc clamping device according to claim 1, is characterized in that: the diameter of described block (1) is less than cylindrical (32) diameter of cutting disc (3), and the diameter of block (1) is greater than the diameter of the inner circle (31) of cutting disc (3).

3. a kind of cutting disc clamping device according to claim 2, is characterized in that: on described tooling shaft (9), be provided with oil-in.

4. a kind of cutting disc clamping device according to claim 2, is characterized in that: on described plunger rod (102) and the contact-making surface of plunger shaft, be provided with sealing ring.

5. a kind of cutting disc clamping device according to claim 4, is characterized in that: the material of described rotation driving lever (6) is No. 45 steel.