CN107186072A - A kind of cavity plate component with profiled holes and its manufacture method - Google Patents
A kind of cavity plate component with profiled holes and its manufacture method Download PDFInfo
- Publication number
- CN107186072A CN107186072A CN201710441063.4A CN201710441063A CN107186072A CN 107186072 A CN107186072 A CN 107186072A CN 201710441063 A CN201710441063 A CN 201710441063A CN 107186072 A CN107186072 A CN 107186072A
- Authority
- CN
- China
- Prior art keywords
- cavity plate
- formwork
- profiled holes
- tapping
- plate component
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/20—Making tools by operations not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a kind of cavity plate component with profiled holes, belong to field of mechanical technique, it solves the problem of existing mould parts surface quality is poor.This cavity plate component with profiled holes includes：Formwork, middle part, which is run through, offers through hole；Tapping afterwards, is embedded in through hole and the lower surface of rear tapping is concordant with formwork lower surface；Cavity plate, it is embedded in through hole and cavity plate is located above rear tapping, cavity plate is brought into close contact with formwork, the upper surface of cavity plate is concordant with formwork upper surface, the lower surface of cavity plate is resisted against in rear tapping, and profiled holes are offered in the middle part of cavity plate, and profiled holes have the countersink region from top to bottom set and circular hole portion, the cross section of countersink region is set in regular polygon, and circular hole portion is extended downwardly and rear tapping is stretched into part.The present invention has the characteristics of surface quality is good.Invention additionally discloses a kind of manufacture method of the above-mentioned cavity plate component with profiled holes.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of cavity plate component with profiled holes, particularly a kind of special-shaped stepped hole of band
Cavity plate component.
Background technology
The final product quality of Making mold and Making mold precision are closely related, particularly the precision and table with mould cavity surface
Surface roughness has close relationship.If the coefficient of friction between mould cavity surface and product is small, not only die wear is small, Er Qiemo
The service life of tool is also accordingly improved, while the gloss and dimensional accuracy of product can be improved.
The accuracy of manufacture and surface roughness of existing mould processing, still have very big difference with advanced mould product level
Away from.General mould cavity surface often leaves tool marks after over mechanical processing, and abrasion is caused to mould cavity surface, and in mould
During use, the abrasion of mould cavity surface is further increased, causing the surface roughness of mould cavity surface increases, under precision
Drop, so that the surface quality of product does not reach required requirement.In order to improve the surface quality and surface group of mold cavity
The integrality knitted, it is necessary to solved using method for finishing manufactured.
Existing mould is mostly manufactured using hard alloy, but Cemented Carbide Hardness is quite high, often does electrode right
Electrical discharge machining is carried out by spark machine electric discharge afterwards, in particular for the processing of the mold cavity with profiled holes, but electrode is put
Galvano-cautery phenomenon can be caused to mould cavity surface after electric machining, i.e., can produced " nitride layer, white layer ", cause mould cavity surface to be damaged, mould
Quality and precision are reduced in pairs, influence the mold use life-span.
In addition, for electrode machining, in addition it is also necessary to the electrode needed for making, additionally increase process time, reduce
Production efficiency, and the quality of mould is not ideal enough.
In summary, the deficiency existed is manufactured for existing mold, the invention provides a kind of reasonable in design, surface quality
The good cavity plate component with profiled holes.
The content of the invention
The present invention is good with profiled holes there is provided a kind of reasonable in design, surface quality to solve the problem of prior art is present
Cavity plate component.
The purpose of the present invention can be achieved through the following technical solutions：A kind of cavity plate component with profiled holes, including：
Formwork, middle part, which is run through, offers through hole；
Tapping afterwards, is embedded in through hole and the lower surface of rear tapping is concordant with formwork lower surface；
Cavity plate, is embedded in through hole and cavity plate is located above rear tapping, and the cavity plate is brought into close contact with formwork, the upper surface of cavity plate
Concordant with formwork upper surface, the lower surface of cavity plate is resisted against in rear tapping, and profiled holes, the profiled holes are offered in the middle part of cavity plate
With the countersink region and circular hole portion from top to bottom set, the cross section of countersink region is set in regular polygon, the circular hole portion to
It is lower to extend and partly stretch into rear tapping.
As the further improvement of this case, the countersink region is connected by a bottom surface with circular hole portion, and bottom surface arc-shaped transition
To the inwall of countersink region.
Improved as the another step of this case, rear tapping is threadedly coupled with formwork, rear tapping inner hollow is set and circular hole portion
With the inside UNICOM of rear tapping.
A kind of manufacture method of the cavity plate component with profiled holes, is comprised the following steps that：
Mould steel blanking, respectively turning roughing forms formwork, rear tapping, and formwork, rear tapping are quenched successively, low temperature
The heat treatment process such as tempering；
Formwork, rear tapping turning are finished again after the completion of heat treatment；
The cavity plate with profiled holes being made up of hard alloy and formwork, rear tapping are fitted together and form cavity plate component；
Cavity plate component is placed in carving machine, the special-shaped internal surface of hole of cavity plate is roughly ground, corase grind diametric(al) it is unilateral enter
To 0.125mm, depth 0.1mm；
Corase grind carries out half after completing and refined, and half fine grinding is in the unilateral feeding 0.03mm of diametric(al), depth 0.02mm；
Half fine grinding is refined after completing, and fine grinding arrives given size；
Fine grinding is polished after completing.
As the further improvement of this case, in above-mentioned four steps, corase grind stays 0.1mm surpluses, depth in diametric(al)
Stay 0.05mm surpluses.
Improved as the another step of this case, in above-mentioned 5th step, half fine grinding is stayed respectively in diametric(al) and depth
0.02mm surpluses.
As the further improvement of this case, corase grind, half are refined and refined to be ground using the frotton of corresponding precision.
Compared with prior art, reasonable in design of the present invention, is ground by carving machine to the profiled holes inner chamber of cavity plate
Cut so that the precision and surface roughness of the cavity surface of mould meet the requirements, without increasing work because additionally making electrode
Make the time；Simultaneously using the manufacturing process of grinding, galvano-cautery will not be caused to the inner chamber of profiled holes, it is ensured that mould cavity surface matter
Amount；In addition, cavity plate size is closer to defined size requirement after grinding, the change in follow-up polishing to cavity plate size is relative
Reduce, shorten the time of glossing.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 sectional view.
Fig. 3 is the structural representation of another embodiment of the present invention.
In figure, 10, formwork；20th, rear tapping；30th, cavity plate；31st, profiled holes；311st, countersink region；312nd, circular hole portion.
Embodiment
With reference to embodiment and accompanying drawing, technical scheme is further elaborated.
As depicted in figs. 1 and 2, this cavity plate component with profiled holes includes：
Formwork 10, middle part, which is run through, offers through hole；
Tapping 20 afterwards, are embedded in through hole and the lower surface of rear tapping 20 is concordant with the lower surface of formwork 10；
Cavity plate 30, is embedded in through hole and cavity plate 30 is located at the rear top of tapping 20, and cavity plate 30 is brought into close contact with formwork 10, cavity plate 30
Upper surface it is concordant with the upper surface of formwork 10, the lower surface of cavity plate 30 is resisted against in rear tapping 20, is offered at the middle part of cavity plate 30
Profiled holes 31, profiled holes 31 have the countersink region 311 from top to bottom set and circular hole portion 312, and the cross section of countersink region 311 is in
Regular polygon is set, and circular hole portion 312 is extended downwardly and rear tapping 20 is stretched into part.
The actual cavity plate component to produce the mould of riveting nut for cold forging of the invention, particularly produces riveting nut in cold forging
One of process corresponding to cavity plate component, profiled holes 31 are the part type for shaped article that opens up on cavity plate 30
Chamber.
Preferred cavity plate component is made up of formwork 10, rear tapping 20 and cavity plate 30 in the present embodiment, specifically, cavity plate 30 is embedding
Be located in formwork 10, rear tapping 20 has equally been embedded below cavity plate 30 and make cavity plate 30 be resisted against after in tapping 20, formwork 10,
Cavity plate 30 and the rear three of tapping 20 are closely coupled, and preferred cavity plate 30 is interference fitted with formwork 10 wherein in the present embodiment, enters one
Step ensures the stability of cavity plate component.
The upper surface of cavity plate 30 is concordant with the upper surface of formwork 10 simultaneously, and lower surface and the lower surface of formwork 10 of rear tapping 20 are put down
Together, it is easy to the part such as cavity plate component and punch-pin in shaping to coordinate close.
Preferred profiled holes 31 are stepped hole in the present embodiment, and actual stepped hole is exactly the die cavity for being molded riveting nut, including heavy
Hole portion 311 and circular hole portion 312, because the shape and structure of riveting nut differs, therefore according to the alteration of form of actual product, countersink region
311 are traditionally arranged to be the structure in regular polygon hole, and the cross section of preferred countersink region 311 is square herein is set, certainly actual
During production, as shown in figure 3, the structure of countersink region 311 can also be regular pentagon, regular hexagon etc..
Preferably, countersink region 311 is connected by a bottom surface with circular hole portion 312, and bottom surface arc-shaped transition is to countersink region 311
Inwall.
It is connected between countersink region 311 and circular hole portion 312 by bottom surface, it is worth mentioning at this point that, bottom surface arc-shaped transition to counterbore
The inwall in portion 311, bottom surface is really vertical inner wall of the round-corner transition to countersink region 311, while being also transitioned into the rib of countersink region 311
Side so that rounding structure is presented in the product after shaping at corresponding position, is conducive to the use of product.
Further, rear tapping 20 is threadedly coupled with formwork 10, and the rear inner hollow of tapping 20 is set and circular hole portion 312 is with after
The inside UNICOM of tapping 20.
Preferably rear tapping 20 is threadedly coupled with formwork 10 in the present embodiment, further ensures that rear tapping 20 is connected with formwork 10
Closely, rear tapping 20 is actually considered as a locking nut, for locking cavity plate 30, it is ensured that formwork 10, cavity plate 30 and after attack
The three of tooth 20 closely connects, and is conducive to the progress of shaping work.
Tapping 20 inner hollow is set after wherein, the above-mentioned downward extension portion of circular hole portion 312 stretch into rear tapping 20 until with
The inside UNICOM of tapping 20, such structure setting, are easy to pass through whole profiled holes 31 for punch-pin in cold forging and then enter afterwards
Tapping 20 afterwards, so as to realize the shaping to product riveting nut.
Existing mould is mostly manufactured using hard alloy, but Cemented Carbide Hardness is quite high, often does electrode right
Electrical discharge machining is carried out by spark machine electric discharge afterwards, in particular for the processing of the mold cavity with profiled holes 31, but electrode
Galvano-cautery phenomenon can be caused to mould cavity surface after electro-discharge machining, i.e., can produced " nitride layer, white layer ", cause mould cavity surface to be damaged, mould
Tool quality and precision are reduced in pairs, influence the mold use life-span.
In addition, for electrode machining, in addition it is also necessary to the electrode needed for making, additionally increase process time, reduction production
Efficiency, and the quality of mould is not ideal enough.
Therefore, present invention also offers a kind of manufacture method of the cavity plate component with profiled holes, comprising the following steps that：
The first step：Mould steel blanking, respectively turning roughing forms formwork 10, rear tapping 20, and to formwork 10, rear tapping 20 according to
It is secondary quenched, the heat treatment process such as lonneal；
Be preferred to use die steel material in the present embodiment, formwork 10 first on lathe needed for turning roughing and after attack
The preliminary product of 20 two parts of tooth.Then preliminary product is quenched successively, the heat treatment process such as lonneal, improve production
Moral character energy.
Second step：Turning finishing is carried out to formwork 10, rear tapping 20 again after the completion of heat treatment；
The preliminary product of formwork 10, rear tapping 20 is finished after heat treatment, also carried out by turning, it is ensured that
The required precision of both formwork 10, rear tapping 20.
Wherein, formwork 10 and rear tapping 20 are also needed to before finishing by techniques, last finishing such as drilling, polishings
Work is molded final formwork 10 and rear tapping 20.
3rd step：The cavity plate 30 with profiled holes 31 being made up of hard alloy and formwork 10, rear tapping 20 are assembled in one
Rise and form cavity plate component；
What cavity plate 30 was really directly purchased, material selection is hard alloy, due to the precision and roughness to mold cavity
Requirement, cavity plate 30 need to be finished further.
Due to the compact structure of cavity plate 30 and all requirements are higher, it is impossible to which the profiled holes 31 directly to cavity plate 30 are positioned
And processing, need first to complete cavity plate assembling components, whole cavity plate component is positioned, and then profiled holes 31 are processed.
4th step：Cavity plate component is placed in carving machine, the inner surface of profiled holes 31 of cavity plate 30 is roughly ground, corase grind exists
Diametric(al) unilateral feeding 0.125mm, depth 0.1mm；
The effect processed due to electrode discharge is poor and increases in process time, the present embodiment to enter cavity plate 30 from carving machine again
Row grinding, shortens process time while 30 mass of cavity plate is ensured, improves production efficiency.
Corase grind processing is carried out first, and the profiled holes 31 of cavity plate 30 are roughly ground using corresponding frotton, preferably roughly ground
Parameter is diametric(al) unilateral feeding 0.125mm, depth 0.1mm.Wherein, corase grind when need to leave surplus, preferably diameter
0.1mm surpluses are stayed in direction, and depth stays 0.05mm surpluses, so as to the further grinding of follow-up higher precision.
5th step：Corase grind carries out half after completing and refined, and half fine grinding is in the unilateral feeding 0.03mm of diametric(al), depth
0.02mm；
Half fine grinding is carried out after corase grind, corresponding frotton is changed, the parameter of preferably half fine grinding is the unilateral feeding of diametric(al)
0.03mm, depth 0.02mm.Similarly, it is also required to leave surplus when half refines, herein preferred diametric(al) and depth difference
0.02mm surpluses are stayed, for further grinding.
6th step：Half fine grinding is refined after completing, and fine grinding arrives given size；
Fine grinding is carried out after half fine grinding, frotton is changed again, the parameter now refined is the unilateral feeding of diametric(al)
The cavity dimension of required profiled holes 31 is can reach after 0.02mm, depth 0.02mm, fine grinding, while being done down to profiled holes 31
Tolerance, to be engaged with punch structure.
It is noted that the frotton in above-mentioned three grindings is using corresponding with each grinding accuracy（Match）'s
Frotton.
7th step：Fine grinding is polished after completing.
Finally, profiled holes 31 are polished after grinding work is completed, now the cavity dimension of profiled holes 31 has reached
To requiring, polishing is to further ensure that the surface roughness of profiled holes 31, compare electrode discharge processing and substantially reduce polishing
Time, the physical dimension to profiled holes 31 changes very little, advantageously ensures that quality and the required precision of cavity plate 30, processing effect
Well.
This cavity plate component with profiled holes is ground using carving machine to the inner chamber of profiled holes 31 of cavity plate 30, will not be to different
Cause abrasion in the inner chamber of type hole 31, it is ensured that mould cavity surface quality so that the precision and surface roughness of the cavity surface of mould
Meet the requirements, make electrode without extra, shorten working hours；And the size of cavity plate 30 will closer to defined size after grinding
Ask, the change in follow-up polishing to the size of cavity plate 30 is relatively reduced, shortens the time of glossing.
To sum up, the processing method in the present invention is applied to the various structures for needing to finish in hole, and crudy is good, is worth wide
It is general to use.
Described herein is only the preferred embodiment of the present invention, but protection scope of the present invention is not limited to
This.Modification or supplement or the similar side of use that those skilled in the art in the invention are carried out to described specific embodiment
Formula is replaced, and all should be covered by within protection scope of the present invention.
Claims (7)
1. a kind of cavity plate component with profiled holes, it is characterised in that including：
Formwork, middle part, which is run through, offers through hole；
Tapping afterwards, is embedded in through hole and the lower surface of rear tapping is concordant with formwork lower surface；
Cavity plate, is embedded in through hole and cavity plate is located above rear tapping, and the cavity plate is brought into close contact with formwork, the upper surface of cavity plate
Concordant with formwork upper surface, the lower surface of cavity plate is resisted against in rear tapping, and profiled holes, the profiled holes are offered in the middle part of cavity plate
With the countersink region and circular hole portion from top to bottom set, the cross section of countersink region is set in regular polygon, the circular hole portion to
It is lower to extend and partly stretch into rear tapping.
2. a kind of cavity plate component with profiled holes according to claim 1, it is characterised in that the countersink region passes through a bottom
Face is connected with circular hole portion, and bottom surface arc-shaped transition is to the inwall of countersink region.
3. a kind of cavity plate component with profiled holes according to claim 1 or 2, it is characterised in that rear tapping and formwork spiral shell
Line is connected, and rear tapping inner hollow is set and circular hole portion and the inside UNICOM of rear tapping.
4. a kind of manufacture method of the cavity plate component with profiled holes, it is characterised in that comprise the following steps that：
Mould steel blanking, respectively turning roughing forms formwork, rear tapping, and formwork, rear tapping are quenched successively, low temperature
The heat treatment process such as tempering；
Formwork, rear tapping turning are finished again after the completion of heat treatment；
The cavity plate with profiled holes being made up of hard alloy and formwork, rear tapping are fitted together and form cavity plate component；
Cavity plate component is placed in carving machine, the special-shaped internal surface of hole of cavity plate is roughly ground, corase grind diametric(al) it is unilateral enter
To 0.125mm, depth 0.1mm；
Corase grind carries out half after completing and refined, and half fine grinding is in the unilateral feeding 0.03mm of diametric(al), depth 0.02mm；
Half fine grinding is refined after completing, and fine grinding arrives given size；
Fine grinding is polished after completing.
5. a kind of cavity plate component with profiled holes according to claim 4, it is characterised in that in above-mentioned four steps,
Corase grind stays 0.1mm surpluses in diametric(al), and depth stays 0.05mm surpluses.
6. a kind of cavity plate component with profiled holes according to claim 4, it is characterised in that in above-mentioned 5th step,
Half fine grinding stays 0.02mm surpluses respectively in diametric(al) and depth.
7. a kind of cavity plate component with profiled holes according to claim 4, it is characterised in that corase grind, half fine grinding and essence
Mill is ground using the frotton of corresponding precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441063.4A CN107186072A (en) | 2017-06-13 | 2017-06-13 | A kind of cavity plate component with profiled holes and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441063.4A CN107186072A (en) | 2017-06-13 | 2017-06-13 | A kind of cavity plate component with profiled holes and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107186072A true CN107186072A (en) | 2017-09-22 |
Family
ID=59876602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710441063.4A Pending CN107186072A (en) | 2017-06-13 | 2017-06-13 | A kind of cavity plate component with profiled holes and its manufacture method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52107255A (en) * | 1976-02-23 | 1977-09-08 | Akamatsu Goukin Kougu Kk | Cemented carbide die |
| JPS5731434A (en) * | 1980-07-31 | 1982-02-19 | Mitsutoyo Kiko Kk | Die |
| JPS58184031A (en) * | 1982-04-21 | 1983-10-27 | Masuji Ogawa | Die for cold forging |
| JPS59147735A (en) * | 1983-02-14 | 1984-08-24 | Masuji Ogawa | Die for cold forging |
| JPH07227638A (en) * | 1994-02-22 | 1995-08-29 | Akamatsu Fuooshisu Kk | Set tool for forging and heading |
| CN101585132A (en) * | 2008-05-23 | 2009-11-25 | 苏州鼎金精密五金有限公司 | Processing method of unit die of nut forming machine |
| CN201760549U (en) * | 2010-07-14 | 2011-03-16 | 厦门恒耀金属有限公司 | Cold forging module structure of welded nut |
| CN103464995A (en) * | 2013-09-18 | 2013-12-25 | 沈阳飞机工业（集团）有限公司 | Processing method of cold upsetting alloy female mold for countersunk rivet |
| CN104175081A (en) * | 2014-09-17 | 2014-12-03 | 沈阳飞机工业（集团）有限公司 | Method for machining female mold for countersunk head angle rivet |
| CN105728625A (en) * | 2016-03-31 | 2016-07-06 | 柳州市正菱车业配件有限公司 | Multipurpose stroke die shell for producing steel cable clamping piece |
-
2017
- 2017-06-13 CN CN201710441063.4A patent/CN107186072A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52107255A (en) * | 1976-02-23 | 1977-09-08 | Akamatsu Goukin Kougu Kk | Cemented carbide die |
| JPS5731434A (en) * | 1980-07-31 | 1982-02-19 | Mitsutoyo Kiko Kk | Die |
| JPS58184031A (en) * | 1982-04-21 | 1983-10-27 | Masuji Ogawa | Die for cold forging |
| JPS59147735A (en) * | 1983-02-14 | 1984-08-24 | Masuji Ogawa | Die for cold forging |
| JPH07227638A (en) * | 1994-02-22 | 1995-08-29 | Akamatsu Fuooshisu Kk | Set tool for forging and heading |
| CN101585132A (en) * | 2008-05-23 | 2009-11-25 | 苏州鼎金精密五金有限公司 | Processing method of unit die of nut forming machine |
| CN201760549U (en) * | 2010-07-14 | 2011-03-16 | 厦门恒耀金属有限公司 | Cold forging module structure of welded nut |
| CN103464995A (en) * | 2013-09-18 | 2013-12-25 | 沈阳飞机工业（集团）有限公司 | Processing method of cold upsetting alloy female mold for countersunk rivet |
| CN104175081A (en) * | 2014-09-17 | 2014-12-03 | 沈阳飞机工业（集团）有限公司 | Method for machining female mold for countersunk head angle rivet |
| CN105728625A (en) * | 2016-03-31 | 2016-07-06 | 柳州市正菱车业配件有限公司 | Multipurpose stroke die shell for producing steel cable clamping piece |
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| Title |
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| 薛啟翔等: "《冲压模具设计制造难点窍门》", 30 September 2003, 机械工业出版社 * |
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Application publication date: 20170922 |
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