CN207086830U - Box car inner riveting type collar mould - Google Patents
Box car inner riveting type collar mould Download PDFInfo
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- CN207086830U CN207086830U CN201720388264.8U CN201720388264U CN207086830U CN 207086830 U CN207086830 U CN 207086830U CN 201720388264 U CN201720388264 U CN 201720388264U CN 207086830 U CN207086830 U CN 207086830U
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Abstract
Box car inner riveting type collar mould.The collar is made up of the flange of the sleeve by interior macropore and interior aperture.Mould is made up of the mould of cold-heading one to five and punching film.Rush rod per station or rush core, shaping mould and thick pin.Cold-heading one, two moulds have the shaping one being engaged respectively with blank, item pin, the upper macropore of two moulds, lower aperture；Realize the smooth shaping in end face and chamfering shaping.Cold-heading three, four moulds process flange and sleeve blank, shaping and interior macropore；The mould of cold-heading five processes large, medium and small endoporus；Punching film excludes waste material in three holes, covers ring forming.The mould of cold-heading three, four, five sets up the outer tube of gap cooperation rushing outside core, blocks product during reset and moves back upwards, is released product directly or by outer ejector sleeve by thimble.Existing turning is substituted with cold-heading, product strength is high；Stock volume reduces 3 times, and stock utilization improves 3 times, and dosage drops to 1/3.Automatic operating clamp transfers, and at least cold-heading in 1 minute goes out 30 products, and existing turning 1 at least 5 minutes, and efficiency improves more than 150 times.Available for the box car inner riveting type collar.
Description
(1) technical field：A kind of pulling rivet collar cold-heading material molding technology is the utility model is related to, belongs to connector
The forging class (B21J) of class (E06B) and metal.
(2) background technology：
The shape of the inner riveting type pulling rivet collar finished product 7 of box car (lorry) is shown in Fig. 7 and Fig. 8, and collar finished product is by covering
Cylinder 7B and flange 7A (also known as covering take capel) compositions.Sleeve 7B includes two sections:Endoporus for macropore 7.2 book wall cylinder crotch section with
And endoporus is the locking section composition of the thick cyclinder of aperture 7.1.(refer to Chinese invention patent<Detachable locking riveting dismounting
Method and pulling rivet>Patent No. ZL201410650279.8).Flange endoporus is also aperture 7.1, aperture herein referred as in flange
7.1, macropore 7.2 is herein referred as macropore 7.2 in sleeve, is unthreaded hole.
Traditional box car mainly uses turning with inner riveting type pulling rivet collar forming method.See Figure 13, provide one first
Block turning blank 8 (see dotted line in Figure 13), its size are:Turning blank external diameter Φ 8=collar flange outer diameter Φ A+ external diameter turning
Processing capacity.Turning blank height H8=collars overall length+overall length turnery processing amount, collar overall length=H7A+H7B.General flange outer diameter
Φ A are 3-4 times of sleeve outer diameter Φ B, so following point be present using turnery processing:1) utilization rate of raw materials is low, production effect
Rate is low, causes cost height:Because flange and sleeve diameter gap are big, substantial amounts of material is consumed, and again because processing capacity also causes greatly
Efficiency is low.2) low intensity in turning with product after turning.
(3) content of the invention
Box car provided by the utility model inner riveting type collar mould, exactly solves traditional box car inner riveting type staking
The nail collar is molded with method for turning, the problems such as utilization rate of raw materials is low, processing efficiency is low, low intensity be present.Technical scheme is as follows：
Box car inner riveting type collar mould, including:Six station cold-heading parts shaping machines and operating clamp, its feature
It is：Six station dies are as follows:
1) mould 1 of cold-heading one is provided with from top to bottom:
A 1. stamping rod 1.1:One stamping rod bottom external diameter is Φ 1.1=cold-heading blank external diameters Φ 9；
2. it is molded a mould 1.2:By having a upper mould (1.21) for macropore on a mould and having next mould of aperture under a mould
(1.22) form:
The work station product external diameter Φ 1.4 of macropore diameter Φ 1.21=mono- on one mould；
Height H1.21 of the macropore including chamfering is more than a work station product height H1.4 on one mould；
Diameter of phi 1.4A after the work station product chamferings of small aperture Φ 1.22=mono- under one mould；
A 3. mould thimble 1.3:One mould thimble upper end external diameter Φ, the 1.3 small small aperture Φ 1.22 under a mould, between the two
Gap coordinates；
2) mould 2 of cold-heading two is provided with from top to bottom:
1. two stamping rods 2.1:The work station product external diameter Φ 1.4 of two stamping rod outside diameter Φ 2.1=mono-；
2. it is molded two moulds 2.2:By having upper two mould 2.21 of macropore and 2.22 groups of lower two mould for having aperture under two moulds on two moulds
Into；
The work station product external diameter Φ 2.4 of macropore diameter Φ 2.21=bis- on two moulds；
Height H2.21 of the macropore including chamfering is more than two work station product height H2.4 on two moulds；
Diameter of phi 2.4A after the work station product chamferings of small aperture Φ 2.22=bis- under two moulds；
3) mould 3 of cold-heading three is provided with from top to bottom:
1. set the three mould upper tube 3.1A and three stamping core 3.1B in it:There is a step in stage casing, and hole is built with three at this
Stamping core back-moving spring 3.1C；Three stamping core top external diameter Φ 3.1b of step epimere are more than external diameter under three stamping cores of step hypomere
Φ3.1B；
Internal diameter Φ 3.1a are micro- under three mould upper tubes is more than external diameter Φ 3.1B under three stamping cores, and gap coordinates between the two；
External diameter Φ 3.1A are small in being molded macropore diameter Φ 3.21 on three moulds under three mould upper tubes, and gap coordinates between the two；
2. it is set as the mould 3.2 of type three:There are macropore 3.21 and aperture 3.22 under three moulds communicated therewith on three moulds in top；
Macropore diameter Φ 3.21=flange blank external diameters Φ 3.41 on three moulds；
Macropore height H on three moulds3.21More than flange blank height H3.41；
Three mould small aperture Φ 3.22=sleeve blank external diameters Φ 3.42；
Height=sleeve blank height H3.42 is vacated on aperture top under three moulds；
3. set three mould thimbles 3.3:Three mould thimble top external diameter Φ 3.3=sleeve blank external diameters Φ 3.42；
4) mould 4 of cold-heading four is provided with from top to bottom:
1. the four mould upper tube 4.1A and four stamping core 4.1B in it:There is a step in stage casing, and hole is built with four moulds at this
Rush core back-moving spring 4.1C；Four stamping core top external diameter Φ 4.1b of step epimere are more than external diameter Φ under four stamping cores of step hypomere
4.1B；
Internal diameter Φ 4.1a are micro- under four mould upper tubes is more than external diameter Φ 4.1B under four stamping cores, and gap coordinates between the two；
External diameter Φ 4.1A are small in being molded macropore diameter Φ 4.21 on four moulds under four mould upper tubes, and gap coordinates between the two；
2. the mould 4.2 of shaping four provided with aperture 4.22 under macropore 4.21, four moulds on four moulds:
The external diameter Φ 4.4A of the station flanges of macropore external diameter Φ 4.21=tetra- on four moulds
Macropore height H on four moulds4.21More than four station flange height H4.4A
The station sleeve outer diameter Φ 4.4B of small aperture Φ 4.22=tetra- under four moulds
3. set four mould thimbles 4.3:There are four mould thimbles first 4.31 on four mould thimble tops；Four mould apertures 4.22 are built with four moulds
The outer ejector sleeve 4.3A of four stations of the work station product of release four of thimble movement；
The station collar of first 4.31 shape of the four mould thimbles=tetra- slightly preceding shape of hole 4.41；
The outer ejector sleeve 4.3A shape of cross sections size of four stations=tetra- station sleeve 4.4B leading portions are containing the collar slightly preceding hole 4.41
Cross sectional shape size；The outer ejector sleeve set location of four stations is away from the height H4.4B that aperture top surface distance is four station sleeves；Four stations
Gap coordinates between outer ejector sleeve and four mould thimbles first 4.31；
5) mould 5 of cold-heading five is provided with from top to bottom:
1. five mould upper tube 5.1A and its five interior stamping core 5.1B:There is a step in stage casing, and hole is built with five stamping cores at this
Back-moving spring 5.1C；Five stamping core top external diameter Φ 5.1b of step epimere are more than external diameter Φ under five stamping cores of step hypomere
5.1B；
Internal diameter Φ 5.1a are micro- under five mould upper tubes is more than external diameter Φ 5.1B under five stamping cores, and gap coordinates between the two；
External diameter Φ 5.1A are small in being molded the aperture Φ 5.21 of macropore 5.21 on five moulds under five mould upper tubes, and gap coordinates between the two
2. there are macropore 5.21 on five moulds, aperture 5.22, the mould of shaping five of five mould aperture top surface circular bosses 5.23 under five moulds
5.2:The external diameter Φ 5.4A=collar finished product flange outer diameter Φ A of the station flanges of macropore diameter Φ 5.21=five on five moulds；
Macropore height H on five moulds5.21More than five station flange height H5.4A；
The station collar external diameter Φ 5.4B=collar finished product sleeve outer diameter Φ B of small aperture Φ 5.22=five under five moulds；
The station sleeve of the shape of five mould aperture top surface circular bosses 5.23=five and flange connections groove 5.4C shapes=collar
The middle sleeve of finished product 7 and flange connections groove 7A1 shapes；
3. five mould thimbles 5.3:There are five mould thimbles first 5.31 on five mould thimble tops, for processing aperture 5.42 in the collar；Five
Stamping core 5.1B heads are used to process aperture 5.43 after the collar；Five mould apertures 5.22 are built with outside five stations for releasing five work station products
Ejector sleeve 5.3A；
It is small in 5.43 shapes of aperture=sleeve after 5.42 shapes of aperture=collar in five first 5.31 shapes of mould thimble=collar
The shape of hole 7.1；The outer ejector sleeve 5.3A shape of cross sections size=leading portion of the front large hole containing the collar of five station sleeve 5.41 5.41 of five stations
Cross sectional shape size；The outer ejector sleeve 5.3A set locations of five stations are away from the height H5.4B that aperture top surface is five station sleeves；Five stations
Gap coordinates between outer ejector sleeve 5.3A and five mould thimbles first 5.31；
6) perforating die 6 is provided with from top to bottom:
1. there is punching rod 6.1 top, there is punching caput 6.1A punching rod bottom；The external diameter of punching caput it is small in the collar into
The aperture of aperture 7.1 in product flange, between the two gap cooperation；2. lower section is set as type perforating die 6.2, there is discharge through hole 6.2A at center；
Discharge through hole connects with outside or subsurface waste material device.
Above-mentioned box car is identical with embodiment with the function of each station die in inner riveting type collar mould, here
It is not repeated.
The utility model beneficial effect:
1) turning is substituted by cold-heading, stock utilization improves, and material usage greatly reduces.Substituted first with cold-heading blank 9
Turning blank 8, each cold-heading blank materials about 25g, stock utilization 85%-95%；And each turning blank materials are about
75g, stock utilization are only 25%-35%.Each stock volume reduces 3 times, and stock utilization improves 3 times, material usage
Drop to 1/3.
2) turning is substituted by cold-heading, processing efficiency greatly improves.It is cold that the utility model by collar shape is designed as six stations
Upsetting parts shaping machine, the automatic operating folder for taking shipment to turn for being automatically performed upper and lower station workpiece of exit dress is each equipped with thereon
Pincers.At least cold-heading in 1 minute of this six stations cold heading technique goes out 30 collar products, and existing turning machines 1 collar product
5 minutes are at least needed, the utility model efficiency improves more than 150 times.
3) using cold-heading molding compared with turning, the consistency increase of product tissue, product strength improves.
(4) illustrate：
The station cold-headings of Fig. 1 mono- start front mold and location of workpiece schematic diagram (workpiece 9 is not put into also in one mould of shaping).
The sectional view of mono- work station products of Fig. 2 1.4.
The station cold-headings of Fig. 3 bis- start front mold and location of workpiece schematic diagram (workpiece 1.4 is not put into also in two moulds of shaping).
The sectional view of bis- work station products of Fig. 4 2.4.
Die sinking tool and location of workpiece schematic diagram before the station cold-headings of Fig. 5 tri- start (workpiece 2.4 has been put into three moulds of shaping).
The sectional view of tri- work station products of Fig. 6 3.4.
The station cold-headings of Fig. 7 tetra- start front mold and location of workpiece schematic diagram (workpiece 3.4 has been put into four moulds of shaping).
The sectional view of tetra- work station products of Fig. 8 4.4.
The station cold-headings of Fig. 9 five start front mold and location of workpiece schematic diagram (workpiece 4.4 has been put into five moulds of shaping).
The sectional view of five work station products of Figure 10 5.4.
Figure 11 is partial enlarged drawing A in Fig. 9.
Figure 12 punchings start front mold and location of workpiece schematic diagram.
The sectional view of Figure 13 shaping collars product 7 and the schematic cross-section of turning blank 8.
Figure 14 Figure 13 top views.
(5) embodiment
The present embodiment box car inner riveting type collar mould, following composition：Including:Six station cold-heading parts shaping machines,
Following six station dies are fixed with thereon, and the upper and lower station of completion is provided with the another part exit of every station die and takes shipment to turn automatically
The operating clamp of part.
1) mould 1 of cold-heading one:
One mould function：See Fig. 2, smooth shaping is carried out to the both ends of the surface of cold-heading blank 9, while cold-heading goes out lower chamfering male cone (strobilus masculinus)
1.4A。
The mould of cold-heading one is formed:See Fig. 1, Fig. 2, be provided with from top to bottom:
A 1. stamping rod 1.1:One stamping rod bottom external diameter is Φ 1.1=cold-heading blank external diameters Φ9；
2. it is molded a mould 1.2:By having a upper mould 1.21 for macropore and 1.22 groups of next mould for having aperture under a mould on a mould
Into:
The work station product external diameter Φ 1.4 of macropore diameter Φ 1.21=mono- on one mould；
Height H1.21 of the macropore including chamfering is more than a work station product height H1.4 on one mould；
Diameter of phi 1.4A after the work station product chamferings of small aperture Φ 1.22=mono- under one mould；
A 3. mould thimble 1.3:One mould thimble upper end external diameter Φ, the 1.3 small small aperture Φ 1.22 under a mould, between the two
Gap coordinates.2) mould 2 of cold-heading two:
Two mould functions：See Fig. 4, to a work station product both ends of the surface shaping again, and cold-heading goes out lower chamfering male cone (strobilus masculinus) 2.4A.
The mould of cold-heading two is formed:Fig. 3, Fig. 4 are seen, by being provided with from top to bottom:
1. two stamping rods 2.1:The work station product external diameter Φ 1.4 of two stamping rod outside diameter Φ 2.1=mono-.
2. it is molded two moulds 2.2:By having upper two mould 2.21 of macropore and 2.22 groups of lower two mould for having aperture under two moulds on two moulds
Into；
The work station product external diameter Φ 2.4 of macropore diameter Φ 2.21=bis- on two moulds；
Macropore is more than two work station product height H2.4 including chamfer height H2.21 on two moulds；
Diameter of phi 2.4A after the work station product chamferings of small aperture Φ 2.22=bis- under two moulds；
3. two mould thimbles 2.3:Two mould thimble external diameter Φ, the 2.3 small small aperture Φ 2.22 under two moulds, between the two gap
Coordinate.
3) mould 3 of cold-heading three:
Three mould functions：See Fig. 6, three complete work station products 3.4 of cold-heading have:Flange blank 3.41, sleeve blank 3.42 and
The three station preexisting holes 3.44 on flange blank.
The mould of cold-heading three is formed:See Fig. 5, Fig. 6, be provided with from top to bottom:
1. set the three mould upper tube 3.1A and three stamping core 3.1B in it:There is a step in stage casing, and hole is built with three at this
Stamping core back-moving spring 3.1C；Three stamping core top external diameter Φ 3.1b of step epimere are more than external diameter under three stamping cores of step hypomere
Φ3.1B。
Internal diameter Φ 3.1a are micro- under three mould upper tube 3.1A is more than external diameter Φ 3.1B under three stamping core 3.1B, and gap is matched somebody with somebody between the two
Close.(this design is easy to three stamping cores movable in three mould upper tubes, three stamping cores after three station preexisting holes 3.44 are processed,
When rising is retreated under three film action of reset spring, three work station products are blocked by three mould upper tubes, prevent from moving with three stamping cores.)
External diameter Φ 3.1A are small in being molded the aperture Φ 3.21 of macropore 3.21 on three moulds under three mould upper tubes, and gap is matched somebody with somebody between the two
Close.
2. it is set as the mould 3.2 of type three:There are macropore 3.21 and aperture 3.22 under three moulds communicated therewith on three moulds in top.
Macropore diameter Φ 3.21=flange blank external diameters Φ 3.41 on three moulds；
Macropore height H on three moulds3.21More than flange blank height H3.41；
Three mould small aperture Φ 3.22=sleeve blank external diameters Φ 3.42；
Height=sleeve blank height H3.42 is vacated on aperture top under three moulds；
3. set three mould thimbles 3.3:Three mould thimble top external diameter Φ 3.3=sleeve blank external diameters Φ 3.42.
4) mould 4 of cold-heading four:
Four mould functions:See Fig. 8, four complete work station products 4.4 of cold-heading have:The four station flange 4.4A that are further molded,
Four station sleeve 4.4B, the collar slightly preceding hole 4.41, four station preexisting holes 4.42 on four station flanges.
The mould of cold-heading four is formed:See Fig. 7, Fig. 8, be provided with from top to bottom:
1. the four mould upper tube 4.1A and four stamping core 4.1B in it:There is a step in stage casing, and hole is built with four moulds at this
Rush core back-moving spring 4.1C.Four stamping core top external diameter Φ 4.1b of step epimere are more than external diameter Φ under four stamping cores of step hypomere
4.1B。
Internal diameter Φ 4.1a are micro- under four mould upper tube 4.1A is more than external diameter Φ 4.1B under four stamping core 4.1B, and both gaps coordinate.
(this design is easy to four stamping cores movable in four mould upper tubes, and four stamping cores are processing four station preexisting holes 4.42 in four stations
When the lower retrogressing of back-moving spring 4.1C effects is upward, four work station products are blocked by four mould upper tubes, prevent from moving with four stamping cores.)
External diameter Φ 4.1A are small in being molded the aperture Φ 4.2 of macropore 4.21 on four moulds under four mould upper tubes, and gap coordinates between the two.
2. the mould 4.2 of shaping four provided with aperture 4.22 under macropore 4.21, four moulds on four moulds:
The external diameter Φ 4.4A of the station flanges of macropore external diameter Φ 4.21=tetra- on four moulds
Macropore height H on four moulds4.21More than four station flange height H4.4A
The station sleeve outer diameter Φ 4.4B of small aperture Φ 4.22=tetra- under four moulds
3. set four mould thimbles 4.3:See Fig. 8, see Fig. 7, four mould thimble tops have is used for four stations of processing with thimble movement
Four mould thimbles first 4.31 of product.Four mould apertures 4.22 are built with ejector sleeve 4.3A outside four stations for releasing four work station products.
The station collar of first 4.31 shape of the four mould thimbles=tetra- slightly preceding shape of hole 4.41.
The outer ejector sleeve 4.3A shape of cross sections size of four stations=tetra- station sleeve 4.4B leading portions are containing the collar slightly preceding hole 4.41
Cross sectional shape size.The outer ejector sleeve 4.3A set locations of four stations are away from the height H4.4B that aperture top surface is four station sleeve 4.4B.
The outer ejector sleeve 4.3A of four stations and first 4.31 gap of four mould thimbles coordinate.
5) mould 5 of cold-heading five:
Five mould functions:See Figure 10：Five complete work station products 5.4 of cold-heading have:Collar front large hole 5.41, set from front to back
Aperture 5.43 and sleeve and flange contact position groove 5.4C after aperture 5.42, the collar in ring.
The mould of cold-heading five is formed:See Fig. 9, Figure 10, be provided with from top to bottom:
1. the five mould upper tube 5.1A and five stamping core 5.1B in it:There is a step in stage casing, and hole is built with five moulds at this
Rush core back-moving spring 5.1C.Five stamping core top external diameter Φ 5.1b of step epimere are more than external diameter Φ under five stamping cores of step hypomere
5.1B。
Internal diameter Φ 5.1a are micro- under five mould upper tube 5.1A is more than external diameter Φ 5.1B under five stamping core 5.1B, and gap is matched somebody with somebody between the two
Close.(this design is easy to five stamping cores movable in five mould upper tubes, five stamping cores aperture after the five work station product collars are processed
After 5.43, when being retreated upwards under five station back-moving spring 5.1C effects, five work station products are blocked by five mould upper tubes, are prevented with five
Stamping core moves.)
External diameter Φ 5.1A are small in being molded the aperture Φ 5.21 of macropore 5.21 on five moulds under five mould upper tubes, and gap is matched somebody with somebody between the two
Close.
2. provided with aperture 5.22, the mould of shaping five of five mould aperture top surface circular bosses 5.23 under macropore 5.21, five moulds on five moulds
5.2:On five moulds the station flange 5.4A of macropore diameter Φ 5.21=five external diameter Φ 5.4A=collar finished product flange outer diameter Φ A (see
Figure 13).
Macropore height H on five moulds5.21More than five station flange height H5.4A.
The station collar external diameter Φ 5.4B=collar finished product sleeve outer diameter Φ B of small aperture Φ 5.22=five are (see figure under five moulds
7)。
Shape (see Figure 11)=five station sleeve of five mould aperture top surface circular bosses 5.23 and flange connections groove 5.4C shapes
Shape (see Figure 10)=middle sleeve of collar finished product 7 and flange connections groove 7A1 shapes (see Figure 13).
3. set five mould thimbles 5.3:See Figure 10, see Fig. 9, five mould thimble tops there are five mould thimbles first 5.31, for processing five
Aperture 5.42 in the collar of work station product；Five stamping core 5.1B heads are used for aperture 5.43 after the collar of five work station products of processing.Five
Mould aperture 5.22 is built with ejector sleeve 5.3A outside five stations for releasing five work station products.
It is small in 5.43 shapes of aperture=sleeve after 5.42 shapes of aperture=collar in five first 5.31 shapes of mould thimble=collar
The shape of hole 7.1.Before five station sleeves 5.42 of the work station product of the outer ejector sleeve 5.3A shape of cross sections size of five stations=five contain the collar
The leading portion cross sectional shape size of macropore 5.41.
The outer ejector sleeve 5.3A set locations of five stations are away from the height H5.4B that aperture top surface is five station sleeves 5.42.Five stations
Gap coordinates between outer ejector sleeve 5.3A and five mould thimbles first 5.31.
6) perforating die 6:See Figure 12,
Perforating die function:By three holes in five work station products:It is small after aperture 5.42, the collar in collar front large hole 5.41, the collar
Hole 5.43 becomes two holes (see Figure 10):Macropore 7.2 in sleeve, aperture 7.1 in flange, turn into collar finished product 7 (see Figure 13).
7.2 apertures of macropore=aperture of collar front large hole 5.41 i.e. in sleeve；The aperture of aperture 5.42 in 7.1 apertures of aperture=collar in flange
The aperture of aperture 5.43 after the=collar.
Perforating die is formed:It is provided with from top to bottom:
1. there is punching rod 6.1 top, there is punching caput 6.1A punching rod bottom.
Punching caput 6.1A external diameter is small in the aperture of aperture 7.1 in the flange of collar finished product 7, punching caput with it is small in flange
7.1, hole gap coordinates.
2. lower section is set as type perforating die 6.2, there is discharge through hole 6.2A at center；Discharge through hole and outside or subsurface waste material
Device connects.
The present embodiment forming method of above-mentioned box car inner riveting type collar mould, has the following steps:
1) blank：See Fig. 1, cold-heading blank 9 is shaped as cylinder, and its size is typically true by product different model size
It is fixed.The size that the present embodiment determines is as follows:1. determine the external diameter Φ of cold-heading blank 99=K9x ΦA=0.6x27.5=16.5mm.②
Determine cylinder cold-heading blank height H9=4U5.4/πΦ9 2=12.5mm.In upper two formula:See Figure 13, the flange of collar finished product 7 is most
Major diameter elects Φ A=27.5mm as；K9=0.6 ∽ 0.7, take K here9=0.6；Cold-heading is determined by the work station product shapes of Figure 10 five
The complete volume U of five work station product 5.45.4=2671mm3。
2) a station cold-heading：
Processing request:See Fig. 2, smooth shaping is carried out to the both ends of the surface of cold-heading blank 9, while cold-heading goes out upper chamfering male cone (strobilus masculinus)
1.4A。
Procedure of processing:See Fig. 1, a 1. upper mould 1.21 that cold-heading blank is placed on to one mould 1.2 of shaping (by operating clamp) is big
In hole Φ 1.21；One mould thimble 1.3 rises to fillet surface 1.22C positions on the next aperture Φ 1.22 of mould 1.22 of one mould of shaping；②
One stamping rod 1.1 pushes the shaping of cold-heading blank；3. last mould thimble ejects a work station product 1.4 (in the operating of mould mouth
In clamp).
3) two station cold-heading：
Processing request:See Fig. 4, to a work station product both ends of the surface shaping again, and cold-heading goes out lower chamfering male cone (strobilus masculinus) 2.4A.
Procedure of processing:See Fig. 3, two mould macropore Φ 2.21 of the mould 2 of cold-heading two 1. will be put into after 1.4 turns 180 ° of a work station product
It is interior；Two mould thimbles 2.3 rise to down fillet surface 2.22C positions on the aperture of two mould 2.22；2. two stamping rods 2.1 push a station
Product is until shaping；3. two mould thimbles 2.3 rise two work station products 2.4 of ejection.
4) three station cold-heading：
Processing request:See Fig. 6, three work station products 3.4 is had after being molded:Flange blank 3.41, sleeve blank 3.42 and
The three station preexisting holes 3.44 on flange blank.
Procedure of processing:See Fig. 5, Fig. 6, the shaping aperture 3.22 of three mould 3.2 is put into after 1. two work station products 2.4 are translated and is pushed up
Face；Three mould thimbles 3.3 are risen to away from the low H of the shaping aperture top surface of three mould 3.23.42Face 3.22C, H3.42For three works of processing request
Position 3.4 sleeve blank of product 3.42 high (see Fig. 6)；2. three stamping core 3.1B drive three mould upper tube 3.1A to decline simultaneously, first by three
Stamping core 3.1B pushes two work station products 2.4, after three mould upper tubes drop in three mould macropore Φ 3.21 with three stamping cores, both
Push simultaneously, two work station product material is shaped to three work station products in three mould macropores and aperture.3. three stamping cores are at top
When leaving three station preexisting hole 3.44 in three work station products under back-moving spring 3.1C effects, three mould upper tubes block three work station products
3.4 are moved back upwards, while the ejection of three work station products is arrived mould mouth by three mould thimbles 3.3.
5) four station cold-heading：
Processing request:See Fig. 8, have four work station products 4.4 after cold-heading:The four station flange 4.4A that are further molded,
Four station preexisting holes 4.42 on four station sleeve 4.4B, the station flange of collar front large hole 4.41 and four.
Procedure of processing:See Fig. 7, Fig. 8, be put into after 1. three work station products 3.4 are translated in four moulds 4.2 of shaping；Four mould thimbles
The four mould thimbles first 4.31 on 4.3 tops withstand the lower plane 3.43 of three work station product 3.4；2. four mould upper tube 4.1A and four stamping cores
4.1B pushes three work station products and is shaped to four work station products 4.4 in four mould macropores 4.21 of shaping and aperture 4.22 simultaneously.
3. four stations of the four stamping core 4.1B under the mould back-moving spring 4.1C of top four effects at the top of upward out four work station product in advance into
During hole 4.42, four mould upper tube 4.1A block four work station products with ibid moving back, while by the cross section and four in four mould apertures 4.22
Four work station products 4.4 are ejected mould mouth by the outer ejector sleeve 4.3A of station sleeve leading portion identical.
6) five station cold-heading：
Processing request:See Figure 10, there are five work station products 5.4:It is small in collar front large hole 5.41 from front to back, the collar
Aperture 5.43 and sleeve and the groove 5.4C at flange contact position after hole 5.42, the collar.
Procedure of processing:See Fig. 9, see Figure 10, be put into after 1. four work station products 4.4 are translated in five moulds 5.2 of shaping；Five mould tops
Five mould thimbles first 5.31 of pin 5.3 put in and pass through the collar slightly preceding hole 4.41, withstand on the collar slightly rear end face in preceding hole；2. on five moulds
Pipe 5.1A and five stamping core 5.1B pushes four work station products 4.4 simultaneously, is being molded in five mould macropores 5.21 and aperture 5.22
It is shaped to five work station products 5.4.3. five stamping cores upward out five work station products top under the back-moving spring 5.1C effects at top
During the five station preexisting hole 5.43 in portion, five mould upper tubes block five work station products with ibid moving back, while by cross section in five mould apertures
With ejector sleeve 5.3A outside the mould of five station sleeve leading portion identical five, mould mouth is arrived into the ejection of five work station products.
7) punching:
Processing request:By three holes in five work station products:Aperture after aperture 5.42, the collar in collar front large hole 5.41, the collar
5.43 become two holes (see Figure 10):Macropore 7.2 in sleeve, aperture 7.1 in flange, turn into collar finished product 7 (see Figure 13).Cover
7.2 apertures of macropore=aperture of collar front large hole 5.41 in cylinder；5.42 apertures of aperture=set in 7.1 apertures of aperture=collar in flange
The aperture of aperture 5.43 after ring.
Procedure of processing:1. after five work station products 5.4 are rotated into 180 °, plane on perforating die 6.2 is fixed on；2. punched hole punching rod
6.1 descending five work station product of impact extrusion, 5.4 3 holes, waste material in three holes is gone out outside hole.
Claims (1)
1. box car inner riveting type collar mould, including:Six station cold-heading parts shaping machines and operating clamp, it is characterized in that：
Six station dies are as follows:
1) mould of cold-heading one (1) is provided with from top to bottom:
A 1. stamping rod (1.1):One stamping rod bottom external diameter is Φ 1.1=cold-heading blank external diameters Φ9；
2. it is molded a mould (1.2):By having a upper mould (1.21) for macropore on a mould and having next mould (1.22) of aperture under a mould
Composition:
The work station product external diameter Φ 1.4 of macropore diameter Φ 1.21=mono- on one mould；
Height H1.21 of the macropore including chamfering is more than a work station product height H1.4 on one mould；
Diameter of phi 1.4A after the work station product chamferings of small aperture Φ 1.22=mono- under one mould；
A 3. mould thimble (1.3):One mould thimble upper end external diameter Φ, the 1.3 small small aperture Φ 1.22 under a mould, between the two between
Gap coordinates；
2) mould of cold-heading two (2) is provided with from top to bottom:
1. two stamping rods (2.1):The work station product external diameter Φ 1.4 of two stamping rod outside diameter Φ 2.1=mono-；
2. it is molded two moulds (2.2):By having upper two mould (2.21) of macropore on two moulds and having lower two mould (2.22) of aperture under two moulds
Composition；
The work station product external diameter Φ 2.4 of macropore diameter Φ 2.21=bis- on two moulds；
Height H2.21 of the macropore including chamfering is more than two work station product height H2.4 on two moulds；
Diameter of phi 2.4A after the work station product chamferings of small aperture Φ 2.22=bis- under two moulds；
3) mould of cold-heading three (3) is provided with from top to bottom:
1. set three mould upper tubes (3.1A) and the three stamping cores (3.1B) in it:There is a step in stage casing, and hole is built with three at this
Stamping core back-moving spring (3.1C)；Three stamping core top external diameter Φ 3.1b of step epimere are more than outer under three stamping cores of step hypomere
Footpath Φ 3.1B；
Internal diameter Φ 3.1a are micro- under three mould upper tubes is more than external diameter Φ 3.1B under three stamping cores, and gap coordinates between the two；
External diameter Φ 3.1A are small in being molded macropore diameter Φ 3.21 on three moulds under three mould upper tubes, and gap coordinates between the two；
2. it is set as the mould of type three (3.2):There are macropore 3.21 and aperture 3.22 under three moulds communicated therewith on three moulds in top；
Macropore diameter Φ 3.21=flange blank external diameters Φ 3.41 on three moulds；
Macropore height H3.21 is more than flange blank height H3.41 on three moulds；
Three mould small aperture Φ 3.22=sleeve blank external diameters Φ 3.42；
Height=sleeve blank height H3.42 is vacated on aperture top under three moulds；
3. set three mould thimbles (3.3):Three mould thimble top external diameter Φ 3.3=sleeve blank external diameters Φ 3.42；
4) mould of cold-heading four (4) is provided with from top to bottom:
1. four mould upper tubes (4.1A) and the four stamping cores (4.1B) in it:There is a step in stage casing, and hole is built with four moulds at this
Rush core back-moving spring (4.1C)；Four stamping core top external diameter Φ 4.1b of step epimere are more than external diameter under four stamping cores of step hypomere
Φ4.1B；
Internal diameter Φ 4.1a are micro- under four mould upper tubes is more than external diameter Φ 4.1B under four stamping cores, and gap coordinates between the two；
External diameter Φ 4.1A are small in being molded macropore diameter Φ 4.21 on four moulds under four mould upper tubes, and gap coordinates between the two；
2. the mould of shaping four (4.2) provided with aperture (4.22) under macropore (4.21), four moulds on four moulds:
The external diameter Φ 4.4A of the station flanges of macropore external diameter Φ 4.21=tetra- on four moulds
Macropore height H4.21 is more than four station flange height H4.4A on four moulds
The station sleeve outer diameter Φ 4.4B of small aperture Φ 4.22=tetra- under four moulds
3. set four mould thimbles (4.3):There are four mould thimble heads (4.31) on four mould thimble tops；Four mould apertures (4.22) are built with four
The outer ejector sleeve (4.3A) of four stations of the work station product of release four of mould thimble movement；
The station collar of four mould thimble head (4.31) shapes=tetra- slightly preceding hole (4.41) shape；
Station sleeve (4.4B) leading portion of outer ejector sleeve (4.3A) the shape of cross section size of four stations=tetra- is containing the collar slightly preceding hole (4.41)
Cross sectional shape size；The outer ejector sleeve set location of four stations is away from the height H4.4B that aperture top surface distance is four station sleeves；Four works
Gap coordinates between the outer ejector sleeve in position and four mould thimble heads (4.31)；
5) mould of cold-heading five (5) is provided with from top to bottom:
1. five mould upper tubes (5.1A) and its five interior stamping cores (5.1B):There is a step in stage casing, and hole is built with five stamping cores at this
Back-moving spring (5.1C)；Five stamping core top external diameter Φ 5.1b of step epimere are more than external diameter Φ under five stamping cores of step hypomere
5.1B；
Internal diameter Φ 5.1a are micro- under five mould upper tubes is more than external diameter Φ 5.1B under five stamping cores, and gap coordinates between the two；
External diameter Φ 5.1A are small in being molded macropore diameter Φ 5.21 on five moulds under five mould upper tubes, and gap coordinates between the two；
2. there are on five moulds aperture (5.22), the mould of shaping five of five mould aperture top surface circular bosses (5.23) under macropore (5.21), five moulds
(5.2):
The external diameter Φ 5.4A=collar finished product flange outer diameter Φ A of the station flanges of macropore diameter Φ 5.21=five on five moulds；
Macropore height H5.21 is more than five station flange height H5.4A on five moulds；
The station collar external diameter Φ 5.4B=collar finished product sleeve outer diameter Φ B of small aperture Φ 5.22=five under five moulds；
The station sleeve of five mould aperture top surface circular bosses (5.23) shapes=five and flange connections groove (5.4C) shape=collar
Finished product (7) middle sleeve and flange connections groove (7A1) shape；
3. five mould thimbles (5.3):There are five mould thimble heads (5.31) on five mould thimble tops, for processing aperture in the collar (5.42)；
Five stamping core (5.1B) heads are used to process aperture (5.43) after the collar；Five mould apertures (5.22) are built with five work station products of release
The outer ejector sleeve (5.3A) of five stations；
In five mould thimble head (5.31) shape=collars after aperture (5.42) shape=collar in aperture (5.43) shape=sleeve
Hole shape；
Station sleeve (5.41) leading portion of front large hole containing the collar section shape of outer ejector sleeve (5.3A) the shape of cross section size of five stations=five
Shape size；
Outer ejector sleeve (5.3A) set location of five stations is away from the height H5.4B that aperture top surface is five station sleeves；The outer ejector sleeve of five stations
Gap coordinates between (5.3A) and five mould thimble heads (5.31)；
6) perforating die (6) is provided with from top to bottom:1. there is punching rod (6.1) top, there is punching caput (6.1A) punching rod bottom；Punching
The external diameter of hole caput is small in aperture (7.1) aperture in collar finished product flange, between the two gap cooperation；2. lower section sets forming and punching
There is discharge through hole (6.2A) at mould (6.2), center；Discharge through hole connects with outside or underground waste material device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388264.8U CN207086830U (en) | 2017-04-12 | 2017-04-12 | Box car inner riveting type collar mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388264.8U CN207086830U (en) | 2017-04-12 | 2017-04-12 | Box car inner riveting type collar mould |
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| CN207086830U true CN207086830U (en) | 2018-03-13 |
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| CN201720388264.8U Withdrawn - After Issue CN207086830U (en) | 2017-04-12 | 2017-04-12 | Box car inner riveting type collar mould |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042277A (en) * | 2017-04-12 | 2017-08-15 | 眉山中车紧固件科技有限公司 | Box car inner riveting type collar forming method and mould |
| CN108772491A (en) * | 2018-05-07 | 2018-11-09 | 武义县武阳茶机厂 | A kind of cushion lock cover riveting set and its clinching method |
| CN108971412A (en) * | 2018-07-16 | 2018-12-11 | 靖江市恒丰铆钉制造有限公司 | A kind of rivet cold heading technique |
-
2017
- 2017-04-12 CN CN201720388264.8U patent/CN207086830U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042277A (en) * | 2017-04-12 | 2017-08-15 | 眉山中车紧固件科技有限公司 | Box car inner riveting type collar forming method and mould |
| CN107042277B (en) * | 2017-04-12 | 2018-08-24 | 眉山中车紧固件科技有限公司 | Box car inner riveting type lantern ring forming method and mold |
| CN108772491A (en) * | 2018-05-07 | 2018-11-09 | 武义县武阳茶机厂 | A kind of cushion lock cover riveting set and its clinching method |
| CN108772491B (en) * | 2018-05-07 | 2019-10-18 | 武义县武阳茶机厂 | A kind of cushion lock cover riveting set and its clinching method |
| CN108971412A (en) * | 2018-07-16 | 2018-12-11 | 靖江市恒丰铆钉制造有限公司 | A kind of rivet cold heading technique |
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