CN108032047B - A kind of processing installation method of scrap cutter - Google Patents
A kind of processing installation method of scrap cutter Download PDFInfo
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- CN108032047B CN108032047B CN201711371211.6A CN201711371211A CN108032047B CN 108032047 B CN108032047 B CN 108032047B CN 201711371211 A CN201711371211 A CN 201711371211A CN 108032047 B CN108032047 B CN 108032047B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of processing installation methods of scrap cutter, belong to tool apron manufacture field.A kind of processing installation method of scrap cutter of the invention, process are as follows: process broken side knife cambered surface first with curved face processing tooling, finish after conditioned processing, finally quench;Then tool apron is processed with cuboid blank, is positioned on the basis of the side of cuboid, be reprocessed into cylindrical body after completing processing;The broken side knife of processing is finally ground broken side knife on the tool apron of processing.The present invention processes tool apron using cuboid positioning datum, and the grinding of cutter is carried out on tool apron, substantially increases machining accuracy, the broken side knife fiting effect used in pairs is more preferable, not easy to wear.
Description
Technical field
The present invention relates to tool apron technical fields, more specifically to a kind of processing installation method of scrap cutter.
Background technique
Scrap cutter is the core equipment of Medium and Heavy Plate Rolling Production line, can be substituted in Heavy Plate Production line roll-turning bilateral
It cuts.For the Heavy Plate Production line of middle-size and small-size iron and steel enterprise, considerable economic benefit can be brought for enterprise using scrap cutter.Broken side
It cuts and is located at after circle shear in Heavy Plate Production line, effect is that the strip fabian that cutting of circle shear is got off continuously shreds, with
Just fabian is transported out of into production line, is conducive to edge grinding and collects and recycle.
Scrap cutter is to reach shear cracking action by the mutual cooperation of a pair of of cutter when in use, it is desirable that tool apron is with higher
Precision, otherwise when two cutters cooperate, abrasion is very fast.But it is corresponding since certain helical form is presented in cutter on tool apron
Cutter notch also has certain spiral shape, and there are certain difficulty for positioning when processing.
For the numerical control machining center of five axis, six axis used in current, freedom degree is higher, can conveniently into
The processing of the row tool apron, but for common lathe and three axis machining center, then exist when carrying out origin reference location compared with disaster
Degree, process is complex, it is difficult to ensure that machining accuracy, causes error of cutter larger.
As Chinese patent discloses a kind of scrap scissors axle system (application number: 201110381381.9), for metal tape
Volume is longitudinally continuous the cutting of edge grinding after trimming.Front-end of spindle is equipped with body of tool bit, and middle part is equipped with transmission gear, and tail end is equipped with sideshake tune
Complete machine structure is provided with six gradient cutter grooves on body of tool bit, blade, gasket three is pressed in oblique cutter groove by compact heap respectively, knife
Hole is taper hole to head in vivo;The key location structure that transmission gear and main shaft use cylindrical surface to combine, the side of transmission gear is equipped with use
In the gasket one for eliminating gear transmission clearance;Screw one and screw two are screwed on the adjustment screw rod opposite with main shaft, gasket two is set
Between screw one and screw two;The rear end of main shaft is equipped with double row tapered roller bearing.The patent formula merely illustrates cutter head
Installation site, the processing of its tool apron is not described.And its cutter head structure is fairly simple, and tool apron is processed comparatively
It is easy.
Chinese patent discloses a kind of scrap cutter blade repairing and sharpening method (201710481047.8), comprising steps of label is broken
While the installation site for each cutter head cut;The installation site of each cutting edge is marked, and is mounted on the same installation position of same cutter head
The label for the cutting edge set is identical;Measure the side clearance value and lap clearance value of intermeshing each pair of cutting edge;According to gap width and
Lap clearance value carries out reconditioning to each cutting edge.The program is the reconditioning to cutting edge, can also see knife to accomplishing in attached drawing from
Shape, if but based on center lathe, being difficult to realize the processing of the workpiece.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art machine tool be difficult to high-precision scrap cutter tool apron not
Foot provides a kind of processing installation method of scrap cutter, and the present invention processes tool apron using cuboid positioning datum, enterprising in tool apron
The grinding of row cutter substantially increases machining accuracy, and the broken side knife fiting effect used in pairs is more preferable, not easy to wear.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of processing installation method of scrap cutter of the invention, process are as follows:
S1, the broken side knife of processing:
1) blade blank trimming is handled, processes both ends bevel edge;
2) the broken side knife blank clamping after step 1) processing is used into bolt fastening in curved face processing tooling;
3) it to broken side knife modifier treatment, is then finished to, finally quenches;
S2, processing tool apron:
Blank forging is processed, formation cuboid blank, the cuboid blank that then turning Formation cross-section is square, with
It is positioned on the basis of the side of cuboid, machining center hole, and determines axis, after completing cutter groove, drilling processing, remove clout,
It is processed into cylindrical body;
S3, the broken side knife for processing step S1 are ground broken side knife on the tool apron of step S2 processing.
The specific processing technology of tool apron in step S2 are as follows:
Step 1, forging turned blank forge processing by what three piers three pulled out, form cuboid, then make annealing treatment;
Step 2 carries out turnery processing, the cuboid blank that Formation cross-section is square in lathe;With the side of cuboid
On the basis of position, machining center hole;
Step 3 determines datum axis with processed centre bore, in four side process tool slots, and reserved margin;
Step 4, to processed cuboid carry out modifier treatment, then according to step 2,3 sequence successively machining center hole and
Cutter groove;
Step 5, finish-milling cutter groove, and it is fixed to cuboid blank both ends millet cake plane hole on numerical control machining center platform
Position, then drilling processing;
Step 6, on the basis of central axis, process periphery, then grinding.
As further improvement of the present invention, in step 3 when process tool slot, bias cutter groove;By step 5
After finish-milling, when width of the cutter groove one side wall at the middle section perpendicular to axis apart from cuboid axial direction middle section is with installation cutter
Used plate thickness is identical.
As further improvement of the present invention, in step 3 when process tool slot, by cuboid blank relative to lathe tool
Axis inclination is fixed, and tilt angle when tilt angle is installed with broken side knife is identical.
As further improvement of the present invention, in step 4, after Tempering and Quenching, first processes and hang down in cutter groove
Directly in the threaded hole of cutter groove bottom, repeats step 2,3 finished.
As further improvement of the present invention, reserved margin is 2.5~4.5mm when machining center hole is in step 2.
As further improvement of the present invention, in thread mill drilling, first drill, then tapping.
As further improvement of the present invention, after step 6 grinding, get on the bus out inclined evacuation in arc surface
Then hole is drilled in cutter groove side wall using drilling machine, and processes screw thread.
As further improvement of the present invention, walking the curved face processing tooling in S2 includes block plate, polygon ring and backup plate, more
Side ring and block plate are coaxially disposed, and backup plate is bolted on polygon ring outer wall, forms fixing groove between adjacent backup plate;It is described to lean on
The side of the broken side knife blank of plate clamping is inclined-plane
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
(1) the processing installation method of a kind of scrap cutter of the invention can be processed disposably more using curved face processing tooling
A broken side knife, and use rectangular billet to find positioning datum, and then process tool apron, add grinding is carried out again after the installation of broken side knife
Work substantially increases machining accuracy, and the broken side knife fiting effect used in pairs is more preferable, not easy to wear.
(2) the processing installation method of a kind of scrap cutter of the invention, is processed using cuboid blank, center and
Positioning datum is easy to limit, and can directly be processed using center lathe.Although the cutter groove on tool apron is spiral shape,
It is converted into after cuboid, only a skewed slot thereon, directly the skewed slot of cuboid can be navigated to by tooling and knife
Has axis parallel direction, so that Curve Machining is converted to straight line processing.After processing, cuboid is processed as cylindrical body, turning
Fall redundance, desired cylindrical tool apron can be obtained, and the cutter groove after turning is spiral shape, energy on cylindrical surface
Enough reach higher machining accuracy.
(3) present invention limits machining center hole reserved margin as 2.5~4.5mm in the step 2 of tool apron processing, and passes through
It after crossing modifier treatment, first drills, then finishes centre bore.Since drilling depth is larger, if first machining center hole, inner wall and institute
The bottom hole size to be drilled is smaller, is easy to cause the fever of centre bore local organization excessively high and influences quality;And this programme passes through work
Adjustment in sequence can be avoided the appearance of the problem.
Detailed description of the invention
Fig. 1 is the schematic diagram of the process of scrap cutter tool apron;
Fig. 2 is the structural schematic diagram of curved face processing tooling;
Fig. 3 is the cuboid blank cross section structure schematic diagram after preliminary working;
Fig. 4 is the tool apron cross section structure schematic diagram after the broken side knife of installation;
Fig. 5 is the fixed structure schematic diagram of backing plate;
Fig. 6 is the overall structure diagram of tool apron.
Label declaration in schematic diagram: 101, cuboid;102, centre bore;103, cutter groove;201, cylindrical tool apron;
202, outer baffle;203, avoid holes;301, tool apron pressing plate;302, broken side knife;303, backing plate;304, sunk screw;401, block plate;
402, polygon ring;403, backup plate;404, fixing groove.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, a kind of processing installation method of scrap cutter of the present embodiment, process are as follows:
S1, processing tool apron, specifically comprises the processes of:
Step 1, forging turned blank forge processing by what three piers three pulled out, form cuboid, then annealing processing;
It specifically forges process are as follows: blank is heated to 1090 DEG C of progress are upset for the first time, pulling forges, forging ratio is
1.6, which is by primary upset, after pulling processing height ratio;Then blank is heated to 890 DEG C, carries out second
Secondary upset, pulling forges, forging ratio 1.5;It is secondary forge after workpiece is heated to 870 DEG C, carry out third time and forge upset, pulling
It forges, forging ratio 1.3;Workpiece forges completion substantially after forging for the third time.
Step 2 carries out turnery processing in lathe, processes two end face and four sides respectively, and Formation cross-section is pros
The cuboid blank of shape;It is positioned on the basis of the side of cuboid, machining center hole, reserved margin 3mm.
Step 3 determines datum axis with processed centre bore, and on the basis of it, in four side process tool slots, and
Reserved margin.When processing, cuboid blank is tilted relative to lathe tool axis and is fixed, inclination when tilt angle and broken side knife are installed
Angle is identical.And bias cutter groove, to guarantee the back side of broken side knife 302 on centerline.
Step 4 carries out modifier treatment to processed cuboid, and the spiral shell perpendicular to cutter groove bottom is first processed in cutter groove
Pit, then according to step 2,3 sequence successively machining center hole and cutter grooves.The threaded hole can be first processing blind hole,
Tapping operation is carried out after to be processed again.It when modifier treatment, quenches at 880 DEG C~1050 DEG C, is tempered at 580 DEG C~620 DEG C, returned
Hardness is HRC34~38 after fire, is conducive to machining.
Step 5, finish-milling cutter groove, width of the cutter groove one side wall apart from cuboid axial direction middle section and installation cutter when institute
Identical using plate thickness, i.e. distance of the cutter groove one side wall apart from cuboid center line and used backing plate when installation cutter is thick
It spends identical.Cuboid blank both ends millet cake plane hole is positioned on numerical control machining center platform, then drilling processing, processes
The threaded hole at both ends, for installing outer baffle.
Step 6, on the basis of central axis, process periphery, then grinding.It finally gets on the bus out and tilts in arc surface
Avoid holes, then drilled using drilling machine in cutter groove side wall, and process screw thread.
S2, the broken side knife of processing:
1) blade blank trimming is handled, processes both ends bevel edge, forms broken side knife blank.
2) the broken side knife blank clamping after step 1) processing is used into bolt fastening in curved face processing tooling.
As shown in Fig. 2, curved face processing tooling includes block plate 401, polygon ring 402 and backup plate 403, polygon ring 402 and block plate
401 coaxial arrangements, backup plate 403 are bolted on polygon 402 outer wall of ring, form fixing groove 404 between adjacent backup plate 403;
The side of the broken side knife blank of 403 clamping of backup plate is inclined-plane, and the radian that the tilt angle on inclined-plane is to be processed with cutter is mutually fitted
Answer, by the device can the multiple broken side knives of time processing, relative to wire cutting have higher processing efficiency.
3) it to broken side knife modifier treatment, is then finished to, finally quenches, the process is identical as existing processing technology, no longer
It repeats.
S3, the broken side knife for processing step S2 are ground broken side knife on the tool apron of step S1 processing.The present embodiment is broken
After the processing of side knife, it is mounted on tool apron and carries out grinding processing again, keep its precision higher.
Embodiment 2
A kind of processing installation method of scrap cutter of the present embodiment, tool apron process are as follows:
Step 1, forging turned blank forge processing by what three piers three pulled out, form cuboid blank, then annealing adds
Work;
It specifically forges process are as follows: blank is heated to 1080 DEG C of progress are upset for the first time, pulling forges, forging ratio is
1.6, which is by primary upset, after pulling processing height ratio;Then blank is heated to 880 DEG C, carries out second
Secondary upset, pulling forges, forging ratio 1.5;It is secondary forge after workpiece is heated to 870 DEG C, carry out third time and forge upset, pulling
It forges, forging ratio 1.3;Workpiece forges completion substantially after forging for the third time.
Step 2 carries out turnery processing in lathe, processes two end face and four sides respectively, and Formation cross-section is pros
The cuboid 101 of shape, as shown in Figure 3;It is positioned on the basis of the side of cuboid 101, machining center hole 102, reserved margin is
3.5mm。
Step 3 determines datum axis with processed centre bore, and on the basis of it, in four side process tool slots, and
Reserved margin.When processing, cuboid 101 is tilted relative to lathe tool axis and is fixed, inclining when tilt angle is installed with broken side knife 302
Rake angle is identical.And bias cutter groove, to guarantee the back side of broken side knife 302 on centerline.
Step 4 carries out modifier treatment to processed cuboid 101, is first heated to 900 DEG C, keeps the temperature 2.5 hours, then quench
Fire, and be tempered at 600 DEG C, 4 hours, temper number HRC35 are kept the temperature, machining is conducive to.First processed in cutter groove 103
Perpendicular to the through-hole of 103 bottom surface of cutter groove, then tapping, centre bore 102 and knife are successively then finished according to step 2,3 sequences
Has slot 103.
Step 5, finish-milling cutter groove 103 make width and installation of 103 one side wall of cutter groove apart from cuboid axial direction middle section
Used plate thickness is identical when cutter, i.e., distance of the cutter groove one side wall apart from cuboid center line is made with when installing cutter
Identical with plate thickness, then after installing broken side knife 302, two opposite knife spines are located in same radial line.In numerical control processing
101 both ends millet cake plane hole of cuboid is positioned on central platform, then drilling processing, processes the threaded hole at both ends, be used for
Outer baffle is installed.
Step 6, on the basis of central axis, process periphery, then grinding, form cylindrical tool apron 201.Finally
It gets on the bus out inclined avoid holes 203 in arc surface, which utilizes side as fabrication hole convenient for drilling to cutter groove side wall
Backing plate 303 can be fixed on cylindrical tool apron 201, as shown in Figure 4, Figure 5 by the inclined hole in wall trench in conjunction with sunk screw 304.
After processing, outer baffle 202 is installed at both ends, and broken side knife 302 is pressed on backing plate 303 with tool apron pressing plate 301, realizes broken side
The installation of knife 302, mounting structure are as shown in Figure 6.
It is mostly directly directly to process tool apron using cylindrical blank in conventional machining, it is simpler in process.But the present invention
Cutter groove on tool apron to be processed is spiral shape, is difficult directly to position on center lathe and three axis machining center, is processed
Shi Jingdu not can guarantee yet.And the present invention is processed using cuboid blank, center and positioning datum are easy to limit, energy
It is enough directly to be processed using center lathe.Although the cutter groove on tool apron is spiral shape, it is converted into after cuboid, only
A skewed slot thereon, by tooling can directly the skewed slot of cuboid navigate to cutter shaft parallel direction, thus will
Curve Machining is converted to straight line processing.After processing, cuboid is processed as cylindrical body, is turned redundance, can be obtained
Desired cylinder tool apron, and the cutter groove after turning is spiral shape on cylindrical surface.
In addition, the present invention limits machining center hole reserved margin as 2.5~4.5mm in step 2, and pass through quenched place
It after reason, first drills, then finishes centre bore.Since drilling depth is larger, if first machining center hole, inner wall with to be drilled
Bottom hole size is smaller, is easy to cause the fever of centre bore local organization excessively high and influences quality.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (8)
1. a kind of processing installation method of scrap cutter, which is characterized in that its process are as follows:
S1, the broken side knife of processing:
1) blade blank trimming is handled, processes both ends bevel edge;
2) the broken side knife blank clamping after processing step 1) uses bolt fastening in curved face processing tooling;
3) it to broken side knife modifier treatment, is then finished to, finally quenches;
S2, processing tool apron:
Blank forging is processed, cuboid blank, the cuboid blank that then turning Formation cross-section is square, with rectangle are formed
It is positioned on the basis of the side of body, machining center hole, and determines axis, after completing cutter groove turning, drilling processing, remove clout,
It is processed into cylindrical body;When process tool slot, cuboid blank is tilted relative to lathe tool axis and is fixed;
S3, the broken side knife for processing step S1 are ground broken side knife on the tool apron of step S2 processing.
2. a kind of processing installation method of scrap cutter according to claim 1, it is characterised in that: the specific work in step S2
Skill are as follows:
Step 1, forging turned blank, form cuboid, then make annealing treatment;
Step 2 carries out turnery processing, the cuboid blank that Formation cross-section is square in lathe;Using the side of cuboid as base
Certainly position, machining center hole;
Step 3 determines datum axis with processed centre bore, in four side process tool slots, and reserved margin;
Step 4 carries out modifier treatment to processed cuboid, then according to step 2,3 sequence successively machining center hole and cutters
Slot;Cuboid blank both ends millet cake plane hole is positioned on numerical control machining center platform, then drilling processing goes out the spiral shell at both ends
Pit;
Step 5, on the basis of the central axis of centre bore, process periphery, then grinding.
3. a kind of processing installation method of scrap cutter according to claim 2, it is characterised in that: process tool in step 3
When slot, bias cutter groove;After the finish-milling of step 5, cutter groove one side wall is in the axial middle section side perpendicular to cuboid
Width to the axial middle section of distance is identical as used plate thickness when installation cutter.
4. a kind of processing installation method of scrap cutter according to claim 2, it is characterised in that: in step 4, process is quenched
After heat treatment, the threaded hole perpendicular to cutter groove bottom is first processed in cutter groove, step 2 is repeated, 3 is finished.
5. a kind of processing installation method of scrap cutter according to claim 4, it is characterised in that: machining center in step 2
Reserved margin is 2.5 ~ 4.5mm when hole.
6. a kind of processing installation method of scrap cutter according to claim 2, it is characterised in that: in thread mill drilling,
It first drills, then tapping.
7. a kind of processing installation method of scrap cutter according to claim 2, it is characterised in that: in step 5 grinding
Later, it gets on the bus out inclined avoid holes, is then drilled using drilling machine in cutter groove side wall, and process screw thread in arc surface.
8. a kind of processing installation method of scrap cutter according to claim 1, it is characterised in that: the cambered surface in step S1 adds
Work tooling includes block plate, polygon ring and backup plate, and polygon ring and block plate are coaxially disposed, and backup plate is bolted on outside polygon ring
Wall forms fixing groove between adjacent backup plate;The side of the broken side knife blank of backup plate clamping is inclined-plane.
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CN108176959B (en) * | 2017-12-19 | 2019-07-02 | 马鞍山市恒泰重工机械有限公司 | A kind of processing method of scrap cutter tool apron |
CN110561060B (en) * | 2019-10-11 | 2020-07-17 | 安徽省凌锋冶金机械有限公司 | Method for processing edge surface of scrap shear |
CN114473596B (en) * | 2022-03-18 | 2024-04-19 | 安徽省凌锋冶金机械有限公司 | Fixed turning and grinding clamp for left-right rotary scrap shears and application thereof |
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JP2009072885A (en) * | 2007-09-21 | 2009-04-09 | Honda Motor Co Ltd | Boring tool, and boring machining method using the same |
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CN102489719A (en) * | 2011-11-16 | 2012-06-13 | 中国南方航空工业(集团)有限公司 | NC (Numerical Control) machining method for oblique end slot of thin-wall workpiece |
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JP2009072885A (en) * | 2007-09-21 | 2009-04-09 | Honda Motor Co Ltd | Boring tool, and boring machining method using the same |
CN101698272A (en) * | 2009-10-29 | 2010-04-28 | 上海电气电站设备有限公司 | Method and device for processing mounting groove of tension brace of low-pressure rotor of steam turbine |
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