CN110052552A

CN110052552A - The stretching of stainless steel taper ice cup and bulging process

Info

Publication number: CN110052552A
Application number: CN201910322149.4A
Authority: CN
Inventors: 黄建良
Original assignee: ZHANGJIAGANG LUCKY METAL HANDICRAFT Co Ltd
Current assignee: ZHANGJIAGANG LUCKY METAL HANDICRAFT Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2019-07-26
Anticipated expiration: 2039-04-22
Also published as: CN110052552B

Abstract

The invention discloses a kind of stretching of stainless steel taper ice cup and bulging process, forming step are as follows: 1, being the first semi-finished product by stainless sheet steel drawing and forming；It 2, is the second semi-finished product by the first semi-finished product drawing and forming；It 3, is third semi-finished product by the second semi-finished product drawing and forming；It 4, is the 4th semi-finished product by third semi-finished product drawing and forming；It 5, is the 5th semi-finished product by the 4th semi-finished product drawing and forming；It 6, is the 6th semi-finished product by the 5th semi-finished product drawing and forming；7, by the 6th semi-finished product bulging at final finished.The taper ice cup that monolith Thin Stainless Steel plate stretching bulging can be had to arc bulge bottom of a cup by above-mentioned stretching and bulging process at one, substantially increases the quality of ice cup, so that wall of cup surface is kept smooth, convenient for keeping a public place clean and cleaning；Also substantially increase the production efficiency of ice cup.

Description

The stretching of stainless steel taper ice cup and bulging process

Technical field

The present invention relates to the mechanical processing techniques of production taper ice cup.

Background technique

Ice cup with taper is relatively common for holding the container of ice cube.Many ice cups currently on the market are logical It crosses what welding procedure manufactured: sheet metal first being surrounded into truncated conical shape, then two opposite side of thin plate are subjected to butt welding, thus The wall of cup with taper is formed, then welds one piece of bottom plate in the bottom of wall of cup, material is thus formed taper ice cups.Above-mentioned weldering The working efficiency for connecing technique is low, is not able to satisfy production needs, and not only appearance is bad by the ice cup of welding procedure manufacture, And weld is rough, not easy to clean, is easy to shelter evil people and countenance evil practices and be corroded, and leverages the service life of ice cup.

Summary of the invention

The present invention, which provides one kind, can be drawn into stainless sheet steel in ice cup, and wall of cup is very smooth, production efficiency The stretching of higher stainless steel taper ice cup and bulging process.

To achieve the above object, the technical scheme adopted by the invention is that: the stretching and bulging work of stainless steel taper ice cup Skill, forming step are as follows:

(1), it stretches: stainless sheet steel being stretched for the first time with the first stretching die, obtain rim of a cup bottom of a cup state upward downward The first semi-finished product, the cup body height of the first semi-finished product is 0.56 ± 0.005 times of the cup body height of final finished, described first Semi-finished product include: from rim of a cup to bottom of a cup successively are as follows: the first column part comprising rim of a cup, the first rotary table part and the first bottom of a cup, It is smoothly transitted connection between the large diameter end and the first column part of first rotary table part with the first arc surface of evagination, the first circle The arc section radius of cambered surface is 10~20mm, and the small-caliber end of the first rotary table part smoothly transits with the first bottom of a cup to be connect, There are side more than the first tubaeform processing that height is 5~10mm on rim of a cup, the total height of rim of a cup and the first column part is first 0.36 ± 0.005 times of the cup body height of semi-finished product, the internal diameter of the first column part be final finished rim of a cup diameter 1.02 ± 0.005 times, the total height of the first arc surface, the first rotary table part and the first bottom of a cup is the 0.64 of the cup body height of the first semi-finished product ± 0.005 times, the diameter of the first bottom of a cup is 0.86 ± 0.005 times of final finished bottom of a cup diameter；

(2), it stretches for second: middle the first semi-finished product for stretching completion of step (1) being carried out second with the second stretching die and are stretched, The second semi-finished product of rim of a cup bottom of a cup state upward downward are obtained, the cup body height of the second semi-finished product is the cup body height of final finished 0.62 ± 0.005 times, second semi-finished product include: from rim of a cup to bottom of a cup successively are as follows: the second column part comprising rim of a cup, Second rotary table part and the second bottom of a cup, with the second circle of evagination between the large diameter end and the second column part of the second rotary table part Cambered surface smoothly transits connection, and the arc section radius of the second arc surface is 10~15mm, the small-caliber end of the second rotary table part with Second bottom of a cup smoothly transits connection, there are side more than the second tubaeform processing that height is 10~15mm on rim of a cup, rim of a cup and the The total height of two column parts is 0.63 ± 0.005 times of the cup body height of the second semi-finished product, and the internal diameter of the second column part is 0.79 ± 0.005 times of final finished rim of a cup diameter, the total height of the second arc surface, the second rotary table part and the second bottom of a cup are the 0.38 ± 0.005 times of the cup body height of two semi-finished product, the diameter and the diameter phase of the first bottom of a cup in step (1) of the second bottom of a cup Together；

(3), third time stretches: third time stretching is carried out by the second semi-finished product completed are stretched in step (2) with third stretching die, The third semi-finished product of rim of a cup bottom of a cup state upward downward are obtained, the cup body height of third semi-finished product is the cup body height of final finished 0.66 ± 0.005 times, the third semi-finished product include: from rim of a cup to bottom of a cup successively are as follows: the third column part comprising rim of a cup, Third rotary table part and third bottom of a cup, with the third circle of evagination between the large diameter end and third column part of third rotary table part Cambered surface smoothly transits connection, and the arc section radius of third arc surface is 10~15mm, the small-caliber end of third rotary table part with Third bottom of a cup smoothly transits connection, there are side more than the tubaeform processing of third that height is 15~20mm on rim of a cup, rim of a cup and the The total height of three column parts is 0.76 ± 0.005 times of the cup body height of third semi-finished product, and the internal diameter of third column part is 0.61 ± 0.005 times of final finished rim of a cup diameter, the total height of third arc surface, third rotary table part and third bottom of a cup are the 0.24 ± 0.005 times of the cup body height of three semi-finished product, the diameter and the diameter phase of the second bottom of a cup in step (2) of third bottom of a cup Together；

(4), the 4th stretching: will stretch the third semi-finished product completed with the 4th stretching die and carry out the 4th stretching in step (3), The 4th semi-finished product of rim of a cup bottom of a cup state upward downward are obtained, the cup body height of the 4th semi-finished product is the cup body height of final finished 0.76 ± 0.005 times, the 4th semi-finished product include: from rim of a cup to bottom of a cup successively are as follows: the 4th column part comprising rim of a cup, First stretches tapered intermediate portion, the 5th column part and the 4th bottom of a cup, with evagination between the 5th column part and the 4th bottom of a cup The 4th arc surface smoothly transit connection, the arc section radius of the 4th arc surface is 5~10mm, and first stretches tapered transitional The small-caliber end divided smoothly transits with the 5th column part to be connect, and first stretches the large diameter end and the 4th circle of tapered intermediate portion Post part smoothly transits connection, and there are side more than the 4th tubaeform processing that height is 15~20mm, rims of a cup and the 4th on rim of a cup The total height of column part is 0.26 ± 0.005 times of the cup body height of the 4th semi-finished product, the internal diameter of the 4th column part Identical as the internal diameter of third column part in third semi-finished product, the first height for stretching tapered intermediate portion is the 4th half The total height of 0.23 ± 0.005 times of the cup body height of finished product, the 5th column part and the 4th bottom of a cup is the cup of the 4th semi-finished product 0.51 ± 0.005 times of height degree, the diameter of the 4th bottom of a cup are 0.8 ± 0.005 times of final finished bottom of a cup diameter；

(5), the 5th stretching: will stretch the 4th semi-finished product completed with the 5th stretching die and carry out the 5th stretching in step (4), The 5th semi-finished product of rim of a cup bottom of a cup state upward downward are obtained, the cup body height of the 5th semi-finished product is the cup body height of final finished 0.87 ± 0.005 times, the 5th semi-finished product include: from rim of a cup to bottom of a cup successively are as follows: the 6th column part comprising rim of a cup, Second stretches tapered intermediate portion, the 7th column part and the 5th bottom of a cup, with evagination between the 7th column part and the 5th bottom of a cup The 5th arc surface smoothly transit connection, the arc section radius of the 5th arc surface is 5~10mm, and second stretches tapered transitional The small-caliber end divided smoothly transits with the 7th column part to be connect, and second stretches the large diameter end and the 6th circle of tapered intermediate portion Post part smoothly transits connection, and there are side more than the 5th tubaeform processing that height is 15~20mm, rims of a cup and the 6th on rim of a cup The total height of column part is 0.22 ± 0.005 times of the cup body height of the 5th semi-finished product, and the internal diameter of the 6th column part is most 0.61 ± 0.005 times of finished product rim of a cup diameter, second stretches the height of tapered intermediate portion as the cup body height of the 5th semi-finished product The total height of 0.28 ± 0.005 times of degree, the 7th column part and the 5th bottom of a cup is the 0.51 of the cup body height of the 5th semi-finished product ± 0.005 times, the diameter of the 5th bottom of a cup is 0.77 ± 0.005 times of the bottom of a cup diameter of final finished；

(6), the 6th stretching: will stretch the 5th semi-finished product completed with the 6th stretching die and carry out the 6th stretching in step (5), The 6th semi-finished product of rim of a cup bottom of a cup state upward downward are obtained, the cup body height of the 6th semi-finished product is the cup body height of final finished 1.07 ± 0.005 times, the 6th semi-finished product include: from rim of a cup to bottom of a cup successively are as follows: the 4th rotary table part comprising rim of a cup, 8th column part and the 6th bottom of a cup are smoothly transitted company between the 8th column part and the 6th bottom of a cup with the 6th arc surface of evagination It connecing, the arc section radius of the 6th arc surface is 3~5mm, and the large diameter end of the 4th rotary table part is the rim of a cup of final finished, On rim of a cup there are height be 2~4mm cutting more than side, between the small-caliber end and the 8th column part of the 4th rotary table part with 7th arc surface of indent smoothly transits connection, and the arc section radius of the 7th arc surface is 8~10mm, the 4th rotary table part Height is 0.67 ± 0.005 times of cup body height of the 6th semi-finished product, and the total height of the 6th bottom of a cup and the 8th column part is the 0.29 ± 0.005 times of the cup body height of six semi-finished product, the 5th bottom of a cup in the diameter dimension and the 5th semi-finished product of the 6th bottom of a cup Diameter dimension it is identical；

(7), bulging: side working process more than the cutting stretched in step (6) on the 6th semi-finished product completed is fallen, then will be without The 6th semi-finished product for cutting remaining side are sleeved on bulging die, then carry out bulging work to the 8th column part and the 6th bottom of a cup, Make the 8th column part and the 6th bottom of a cup be shaped to jointly one have bottom of a cup arc bulge, thus obtained finally at Product, final finished are the 4th rotary table part comprising rim of a cup and the arc bulge with bottom of a cup.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein the first stretching die includes: One cavity plate and the first punch-pin, being provided on the first cavity plate along the lateral wall of the first cavity plate can be with the hollow punching on hydraulic press The connected first boss of pressing plate on head, the cylinder first being additionally provided on the first cavity plate through the first cavity plate upper and lower side are recessed Die cavity, the 8th arc surface between the first cavity plate chamber inner sidewall and the first female bottom with convex smoothly transit connection, the 8th circle The arc section radius size of cambered surface is 6~10mm；First punch-pin includes: sequentially connected first rotary table section from top to bottom And first cylindrical section, smoothly transit connection between the large diameter end and the first cylindrical section of the first rotary table section, in the first rotary table section The 9th arc surface between top surface and inclined-plane with evagination smoothly transits connection, and the arc section radius size of the 9th arc surface is 7 ~10mm；First punch-pin is adapted with the first matrix cavity, and being equipped in the outer sheath of the first punch-pin can be along the outer of the first punch-pin The first blank holder that side wall moves up and down, is provided with the placing groove that can place stainless sheet steel on the first blank holder, It is provided on one punch-pin through the first exhaust duct of the first punch-pin upper and lower side, connection first row is additionally provided on the first punch-pin Stomata road and the second exhaust duct for extending transversely through the first punch-pin, being provided in the bottom of the first punch-pin can be flat with hydraulic press The first connected threaded hole of platform.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein the second stretching die includes: Two cavity plates and the second punch-pin, being provided on the second cavity plate along the lateral wall of the second cavity plate can be with the hollow punching on hydraulic press The second boss that pressing plate on head is connected, is additionally provided with the second matrix cavity through the second cavity plate upper and lower side on the second cavity plate, Second matrix cavity includes: sequentially connected first cylindrical cavity and the first rotary table chamber from top to bottom, the first cylindrical cavity and first The tenth arc surface between the small-caliber end of rotary table chamber with convex smoothly transits connection, the arc section radius ruler of the tenth arc surface Very little is 12~16mm, is connected with the horn opening being gradually expanded downwards in the large diameter end of the first rotary table chamber；Described second Punch-pin includes: sequentially connected second rotary table section and the second cylindrical section from top to bottom, the top surface and inclined-plane in the second rotary table section it Between smoothly transitted connection with the 11st arc surface of evagination, the arc section radius size of the 11st arc surface is 7~10mm, the Smoothly transit connection between large diameter end and the second cylindrical section in two rotary table sections；Second punch-pin is adapted with the second matrix cavity, The second blank holder that can move up and down along the lateral wall of the second punch-pin is housed in the outer sheath of the second punch-pin, in step (1) The first semi-finished product can be sleeved on the second blank holder, and there are between stretching between the first semi-finished product and the second blank holder Gap, the first semi-finished product being sleeved on the second blank holder can act against the inner sidewall of the first rotary table chamber in the second matrix cavity On, the third vent through the second punch-pin upper and lower side, the company of being additionally provided on the second punch-pin are provided on the second punch-pin Logical third vent and the 4th vent for extending transversely through the second punch-pin, being provided in the bottom of the second punch-pin can be with The second connected threaded hole of hydraulic machine platform.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein third stretching die includes: Three cavity plates and third punch-pin, being provided on third cavity plate along the lateral wall of third cavity plate can be with the hollow punching on hydraulic press The third boss that pressing plate on head is connected, is additionally provided with the third matrix cavity through third cavity plate upper and lower side on third cavity plate, The third matrix cavity includes: sequentially connected second cylindrical cavity and the second rotary table chamber from top to bottom, the second cylindrical cavity and second The 12nd arc surface between the small-caliber end of rotary table chamber with convex smoothly transits connection, the arc section half of the 12nd arc surface Diameter is connected with the horn opening being gradually expanded downwards in the large diameter end of the second rotary table chamber having a size of 18~20mm；It is described Third punch-pin includes: sequentially connected third rotary table section and third cylindrical section from top to bottom, top surface in third rotary table section and tiltedly The tenth three-arc face between face with evagination smoothly transits connection, and the arc section radius size in the tenth three-arc face is 7~ 10mm, smoothly transit between the large diameter end and third cylindrical section in third rotary table section connection；Third punch-pin and third matrix cavity It is adapted, the third blank holder that can be moved up and down along the lateral wall of third punch-pin, step is housed in the outer sheath of third punch-pin Suddenly the second semi-finished product in (2) can be sleeved on third blank holder, and between the second semi-finished product and third blank holder there are Drawing gap, the second semi-finished product being sleeved on third blank holder can act against the interior of the second rotary table chamber in third matrix cavity On side wall, it is provided with the 5th vent through third punch-pin upper and lower side on third punch-pin, is also set up on third punch-pin There is the 5th vent of connection and extend transversely through the 6th vent of third punch-pin, the bottom of third punch-pin is provided with energy Enough third threaded holes being connected with hydraulic machine platform.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein the 4th stretching die includes: Four cavity plates and the 4th punch-pin, being provided on the 4th cavity plate along the lateral wall of the 4th cavity plate can be with the hollow punching on hydraulic press The 4th boss that pressing plate on head is connected, is additionally provided with the 4th matrix cavity through the 4th cavity plate upper and lower side on the 4th cavity plate, 4th matrix cavity includes: sequentially connected third cylindrical cavity and third rotary table chamber from top to bottom, third cylindrical cavity and third The 14th arc surface between the small-caliber end of rotary table chamber with convex smoothly transits connection, the arc section half of the 14th arc surface Diameter is having a size of 12~15mm；4th punch-pin is cylindrical, with evagination between the top surface and side on the 4th punch-pin 15th arc surface smoothly transits connection, and the arc section radius size of the 15th arc surface is 7~10mm；4th punch-pin and Four matrix cavities are adapted, and the 4th pressure that can be moved up and down along the lateral wall of the 4th punch-pin is housed in the outer sheath of the 4th punch-pin Flange, the third semi-finished product in step (3) can be sleeved on the 4th blank holder, and third semi-finished product and the 4th blank holder it Between there are drawing gap, the third semi-finished product being sleeved on the 4th blank holder can act against the third rotary table in the 4th matrix cavity On the inner sidewall of chamber, the 7th vent through the 4th punch-pin upper and lower side is provided on the 4th punch-pin, on the 4th punch-pin It is additionally provided with the 7th vent of connection and extends transversely through the 8th vent of the 4th punch-pin, set in the bottom of the 4th punch-pin It is equipped with the 4th threaded hole that can be connected with hydraulic machine platform.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein the 5th stretching die includes: Five cavity plates and the 5th punch-pin, being provided on the 5th cavity plate along the lateral wall of the 5th cavity plate can be with the hollow punching on hydraulic press The 5th boss that pressing plate on head is connected, is additionally provided with the 5th matrix cavity through the 5th cavity plate upper and lower side on the 5th cavity plate, 5th matrix cavity includes: sequentially connected 4th cylindrical cavity and the 4th rotary table chamber from top to bottom, the 4th cylindrical cavity and the 4th The 16th arc surface between the small-caliber end of rotary table chamber with convex smoothly transits connection, the arc section half of the 16th arc surface Diameter is having a size of 12~16mm；5th punch-pin is cylindrical, with evagination between the top surface and side on the 5th punch-pin 17th arc surface smoothly transits connection, and the arc section radius size of the 17th arc surface is 4~6mm；5th punch-pin and Five matrix cavities are adapted, and the 5th pressure that can be moved up and down along the lateral wall of the 5th punch-pin is housed in the outer sheath of the 5th punch-pin Flange, the 4th semi-finished product in step (4) can be sleeved on the 5th blank holder, and the 4th semi-finished product and the 5th blank holder it Between there are drawing gap, the 4th semi-finished product being sleeved on the 5th blank holder can act against the 4th rotary table in the 5th matrix cavity On the inner sidewall of chamber, the 9th vent through the 5th punch-pin upper and lower side is provided on the 5th punch-pin, on the 5th punch-pin It is additionally provided with the 9th vent of connection and extends transversely through the tenth vent of the 5th punch-pin, set in the bottom of the 5th punch-pin It is equipped with the 5th threaded hole that can be connected with hydraulic machine platform.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein the 6th stretching die includes: Six cavity plates and the 6th punch-pin are provided with and can rush with the annular on hydraulic press along the lateral wall of the 6th cavity plate on the 6th cavity plate The link slot that pressing plate on head is connected, is additionally provided with the 6th matrix cavity through the 6th cavity plate upper and lower side, institute on the 6th cavity plate Stating the 6th matrix cavity includes: that sequentially connected 5th cylindrical cavity and the 5th rotary table chamber, the 5th cylindrical cavity and the 5th are justified from top to bottom Smoothly transit connection between the small-caliber end of platform chamber, is connected with the loudspeaker being gradually expanded downwards in the large diameter end of the 5th rotary table chamber Shape opening；6th punch-pin includes: sequentially connected 4th cylindrical section, the 4th rotary table section and the 5th cylinder from top to bottom Section, smoothly transit connection between the small-caliber end on the 4th cylindrical section and the 4th rotary table section, the large diameter end in the 4th rotary table section It smoothly transits and connect between the 5th cylindrical section, with the 18th arc surface of evagination between the top surface and side on the 4th cylindrical section Smoothly transit connection, and the arc section radius size of the 18th arc surface is 3~5mm, and the 6th punch-pin is mutually fitted with the 6th matrix cavity To match, the 5th semi-finished product can be sleeved on the 6th punch-pin, and there are drawing gap between the 5th semi-finished product and the 6th punch-pin, The outer sheath of 6th punch-pin is equipped with the 6th blank holder that can move up and down along the 6th punch-pin, and the in step (5) the 5th half When finished product is sleeved on the 6th punch-pin, side is resisted against on the 6th blank holder more than the 5th tubaeform processing on the 5th semi-finished product, It is provided with the 11st vent through the 6th punch-pin upper and lower side on 6th punch-pin, connection is provided on the 5th cylindrical section 11 vents and the 12nd vent for extending transversely through the 5th cylindrical section, being provided in the bottom of the 6th punch-pin can The 6th threaded hole being connected with hydraulic machine platform.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein under the bulging die includes: Mould, cover die and upper mold, the lower die include: successively smoothly transit from top to bottom the 6th cylindrical section of connection, the 5th rotary table section and 7th cylindrical section has set up to be provided in the 6th cylindrical section into water duct, in lower die and laterally pass through in the bottom end of lower die The water outlet duct of the 6th cylindrical section left and right sidewall is worn, water inlet duct is connected with water outlet duct, is being located at below apopore road Seal groove is offered on the lateral wall of 6th cylindrical section, sealing ring is provided in seal groove, the 7th circle in lower die Connection boss is provided on the lateral wall of shell of column, connection boss on be provided with the 7th blank holder, on the 7th blank holder along The lateral wall of 7th blank holder is provided with the 6th boss that can be connected with bulging machine platform；The cover die is cylindrical, It is provided with outer guiding surface on the top outer wall of cover die, perforation is provided with from top to bottom the successively company of smoothly transitting in cover die The lower half arc bulge chamber connect and the 6th rotary table chamber；Lateral wall in upper mold along upper mold be provided with can on expanding machine The 7th boss that pressing plate on formed punch is connected, being provided in the bottom of upper mold can be for the accommodating chamber that cover die protrudes into, accommodating chamber Side wall be can interior guiding surface compatible with the outer guiding surface on cover die, being provided at the top of accommodating chamber can be with The compatible upper half arc bulge chamber of lower half arc bulge chamber on cover die, after cover die is extend into accommodating chamber, lower half arc Bulge chamber and upper half arc bulge chamber are involutory and form whole arc bulge chamber.

Further, the stretching of stainless steel taper ice cup above-mentioned and bulging process, wherein the stainless sheet steel is thickness Spend 304 stainless sheet steels of 1mm, diameter 180mm.

The invention has the advantages that 1) drawing process by step (1) to step (6) and the bulging process of step (7) can Monolith Thin Stainless Steel plate stretching bulging to be made to the taper ice cup for having arc bulge bottom of a cup, entire manufacturing process is not It needs to carry out soldering；2) quality using ice cup made of technique of the present invention is higher, and wall of cup surface is very smooth It is smooth, convenient for keeping a public place clean and cleaning, so that the service life of ice cup is extended；3) it can be mentioned using technique of the present invention The production efficiency of high ice cup.

Detailed description of the invention

Fig. 1 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the first stretching die in bulging process Figure.

Fig. 2 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the first semi-finished product in bulging process Figure.

Fig. 3 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the second stretching die in bulging process Figure.

Fig. 4 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the second semi-finished product in bulging process Figure.

Fig. 5 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the third stretching die in bulging process Figure.

Fig. 6 is that the stretching of stainless steel taper ice cup of the present invention and the structure of the third semi-finished product in bulging process are shown It is intended to.

Fig. 7 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the 4th stretching die in bulging process Figure.

Fig. 8 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the 4th semi-finished product in bulging process Figure.

Fig. 9 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the 5th stretching die in bulging process Figure.

Figure 10 is that the stretching of stainless steel taper ice cup of the present invention and the structure of the 5th semi-finished product in bulging process are shown It is intended to.

Figure 11 is that the stretching of stainless steel taper ice cup of the present invention and the structure of the 6th stretching die in bulging process are shown It is intended to.

Figure 12 is that the stretching of stainless steel taper ice cup of the present invention and the structure of the 6th semi-finished product in bulging process are shown It is intended to.

Figure 13 is the stretching of stainless steel taper ice cup of the present invention and the structural schematic diagram of the bulging die in bulging process.

Figure 14 is the stretching of stainless steel taper ice cup of the present invention and the structural representation of the final finished in bulging process Figure.

Specific embodiment

With reference to the accompanying drawing and preferred embodiment is described further technical solutions according to the invention.

In the present embodiment, stainless sheet steel used is 304 stainless sheet steels of thickness 1mm, diameter 180mm, stretches bulging Manufactured final finished A is the taper ice cup with arc bulge bottom of a cup afterwards, and shape is as shown in figure 14, the rim of a cup diameter of ice cup D is 98mm, cup body height H is 103mm and bottom of a cup diameter d is 35mm, and forming step is as follows:

(1), it stretches for the first time:

First used is stretched for the first time stretches mode structure as shown in Figure 1, first stretching die includes: to be made of wolfram steel The first cavity plate 14 and the first punch-pin 15, on the first cavity plate 14 along the lateral wall of the first cavity plate 14 be provided with can with it is hydraulic The first boss 141 that the pressing plate on hollow punch on machine is connected, is additionally provided with through the first cavity plate 14 on the first cavity plate 14 The first matrix cavity of cylinder 16 of upper and lower side, with the of convex between 16 inner sidewall of the first matrix cavity and the bottom of the first cavity plate 14 Eight arc surfaces smoothly transit connection, and the arc section radius r14 of the 8th arc surface is 8mm；First punch-pin 15 includes: from upper Arrive down sequentially connected first rotary table section 151 and the first cylindrical section 152, the large diameter end and the first cylinder of the first rotary table section 151 Smoothly transit connection between section 152, with the 9th smooth mistake of arc surface of evagination between the top surface and inclined-plane in the first rotary table section 51 Connection is crossed, the arc section radius r15 of the 9th arc surface is 9mm；First punch-pin 15 is adapted with the first matrix cavity 16, first The outer sheath of punch-pin 15 is equipped with the first blank holder 17 that can be moved up and down along the lateral wall of the first punch-pin 15, in the first flanging It is provided with the placing groove 171 that can place stainless sheet steel on circle 17, is provided on the first punch-pin 15 through the first punch-pin 15 Upper and lower side first exhaust duct 153, be additionally provided on the first punch-pin 15 connection first exhaust duct 153 and laterally pass through The second exhaust duct 154 for wearing the first punch-pin 15, being provided in the bottom of the first punch-pin 15 can be connected with hydraulic machine platform First threaded hole 155；

304 stainless sheet steels are stretched with the first stretching die: by the first cavity plate 14, the first punch-pin 15 and the first blank holder 17 It is separately fixed on hydraulic press, 304 stainless sheet steels is placed in placing groove 171, the formed punch driving first on hydraulic press is recessed Mould 14 moves downward, and the first cavity plate 14 acts against on the first blank holder 17, and pushes the first blank holder 17 and move downwardly together, During moving downward, the first matrix cavity 16 just makes 304 stainless sheet steels be stretched to be formed with the interaction of the first punch-pin 15 To the first semi-finished product 2 of rim of a cup bottom of a cup state upward downward.As shown in Fig. 2, the cup body height H2 of the first semi-finished product 2 be finally at 0.563 times, i.e. H2=0.563H=58mm of the cup body height H of product A, first semi-finished product 2 include: from rim of a cup to bottom of a cup successively Are as follows: the first column part 21, the first rotary table part 22 and the first bottom of a cup 23 comprising rim of a cup, the heavy caliber of the first rotary table part 22 It is smoothly transitted connection between end and the first column part 21 with the first arc surface of evagination, the arc section radius of the first arc surface R2 is 15mm, and the small-caliber end of the first rotary table part 22 smoothly transits with the first bottom of a cup 23 and connect, and there are be highly on rim of a cup The overall height H 21 of side 24 more than processing that the first of 8mm is tubaeform, rim of a cup and the first column part 21 is the cup body of the first semi-finished product 2 0.362 times of height H2, i.e. H21=0.362H2=21mm, the rim of a cup that the internal diameter D2 of the first column part 21 is final finished A are straight 1.021 times of diameter D, i.e. D2=1.021D=100mm, the first arc surface, the first rotary table part 22 and the first bottom of a cup 23 total height H22 is 0.638 times, i.e. H22=0.638H2=37mm of the cup body height H2 of the first semi-finished product 2, and the diameter d2 of the first bottom of a cup 23 is 0.857 times of final finished A bottom of a cup diameter d, i.e. d2=0.857d=30mm.

(2), it stretches for second:

Second used is stretched for the second time stretches mode structure as shown in figure 3, second stretching die includes: to be made of wolfram steel The second cavity plate 31 and the second punch-pin 32, on the second cavity plate 31 along the lateral wall of the second cavity plate 31 be provided with can with it is hydraulic The second boss 311 that the pressing plate on hollow punch on machine is connected, is additionally provided with through the second cavity plate 31 on the second cavity plate 31 Second matrix cavity of upper and lower side, second matrix cavity include: sequentially connected first cylindrical cavity 33 and the first circle from top to bottom Platform chamber 34, the tenth arc surface between the first cylindrical cavity 33 and the small-caliber end of the first rotary table chamber 34 with convex smoothly transit company It connects, the arc section radius r31 of the tenth arc surface is 15mm, is connected in the large diameter end of the first rotary table chamber 34 downwards gradually Widened horn opening；Second punch-pin 32 includes: sequentially connected second rotary table section 35 and the second cylinder from top to bottom Section 36 is smoothly transitted connection with the 11st arc surface of evagination between the top surface and inclined-plane in second rotary table section 35, and the 11st justifies The arc section radius r32 of cambered surface is 9mm, the company of smoothly transitting between the large diameter end of the second rotary table section 35 and the second cylindrical section 36 It connects；Second punch-pin 32 is adapted with the second matrix cavity, and being equipped in the outer sheath of the second punch-pin 32 can be along the second punch-pin 32 The second blank holder 37 that lateral wall moves up and down, the first semi-finished product 2 in step (1) can be sleeved on the second blank holder 37, And there are drawing gap between the first semi-finished product 2 and the second blank holder 37, be sleeved on the second blank holder 37 the first half at Product 2 can act against on the inner sidewall of the first rotary table chamber 34 in the second matrix cavity, be provided on the second punch-pin 32 through The third vent 321 of two punch-pin, 32 upper and lower side, be additionally provided on the second punch-pin 32 connection third vent 321 and The 4th vent 322 for extending transversely through the second punch-pin 32, being provided in the bottom of the second punch-pin 32 can be with hydraulic machine platform The second connected threaded hole 323；

The first semi-finished product 2 completed will be stretched in step (1) with the second stretching die and carries out second of stretching: by the second cavity plate 31, Second punch-pin 32 and the second blank holder 37 are separately fixed on hydraulic press, and the first semi-finished product 2 are then sleeved on the second blank holder On 37, the formed punch on hydraulic press drives the second cavity plate 31 to move downward, when the first rotary table chamber 34 and first in the second matrix cavity After semi-finished product 2 are in contact, the second cavity plate 31 drives the second blank holder 37 and the first semi-finished product 2 to move downwardly together, transports downwards In dynamic process, the second matrix cavity is just drawn the first semi-finished product 2 on the second blank holder 37 with the interaction of the second punch-pin 32 Stretch the second semi-finished product 4 to form rim of a cup bottom of a cup state upward downward.As shown in figure 4, the cup body height H4 of the second semi-finished product 4 is most 0.621 times, i.e. H4=0.621H=64mm of the cup body height H of finished product A, second semi-finished product 4 include: from rim of a cup to bottom of a cup Successively are as follows: the second column part 41, the second rotary table part 42 and the second bottom of a cup 43 comprising rim of a cup, the second rotary table part 42 it is big The second arc surface between bore end and the second column part 41 with evagination smoothly transits connection, the arc section of the second arc surface Radius r4 is 12mm, and the small-caliber end of the second rotary table part 42 smoothly transits with the second bottom of a cup 43 and connect, and there are height on rim of a cup The overall height H 41 of side 44 more than the second tubaeform processing that degree is 12mm, rim of a cup and the second column part 41 is the second semi-finished product 4 0.625 times of cup body height H4, i.e. H41=0.625H4=40mm, the internal diameter D4 of the second column part 41 are final finished A rim of a cup 0.785 times of diameter D, i.e. D4=0.785D=77mm, the second arc surface, the second rotary table part 42 and the second bottom of a cup 43 total height H42 is 0.375 times, i.e. H42=0.375H4=24mm of cup body height H4 of the second semi-finished product 4, the diameter d4 of the second bottom of a cup 43 with The diameter d2 of the first bottom of a cup 23 is identical in step (1), i.e. d4=d2=30mm.

(3), third time stretches:

The third used is stretched for the third time stretches mode structure as shown in figure 5, the third stretching die includes: to be made of wolfram steel Third cavity plate 51 and third punch-pin 52, on third cavity plate 51 along the lateral wall of third cavity plate 51 be provided with can with it is hydraulic The third boss 511 that the pressing plate on hollow punch on machine is connected, is additionally provided with through third cavity plate 51 on third cavity plate 51 The third matrix cavity of upper and lower side, the third matrix cavity include: sequentially connected second cylindrical cavity 53 and the second circle from top to bottom Platform chamber 54, the 12nd arc surface between the second cylindrical cavity 53 and the small-caliber end of the second rotary table chamber 54 with convex smoothly transit company Connect, the arc section radius r51 of the 12nd arc surface is 20mm, be connected in the large diameter end of the second rotary table chamber 54 downwards by Gradually widened horn opening；The third punch-pin 52 includes: that sequentially connected third rotary table section 55 and third are round from top to bottom Shell of column 56 is smoothly transitted connection with the tenth three-arc face of evagination between the top surface and inclined-plane in third rotary table section 55, and the 13rd The arc section radius r52 of arc surface is 9mm, smooth mistake between the large diameter end and third cylindrical section 56 in third rotary table section 55 Cross connection；Third punch-pin 52 is adapted with third matrix cavity, and being equipped in the outer sheath of third punch-pin 52 can be along third punch-pin The third blank holder 57 that 52 lateral wall moves up and down, the second semi-finished product 4 in step (2) can be sleeved on third blank holder 57 On, and there are drawing gap between the second semi-finished product 4 and third blank holder 57, be sleeved on third blank holder 57 the second half Finished product 4 can act against on the inner sidewall of the second rotary table chamber 54 in third matrix cavity, be provided with and run through on third punch-pin 52 5th vent 521 of 52 upper and lower side of third punch-pin, be additionally provided on third punch-pin 52 connection the 5th vent 521, And the 6th vent 522 of third punch-pin 52 is extended transversely through, being provided in the bottom of third punch-pin 52 can be flat with hydraulic press The connected third threaded hole 523 of platform；

Carry out third time stretching for the second semi-finished product 4 completed are stretched in step (2) with third stretching die: by third cavity plate 51, Third punch-pin 52 and third blank holder 57 are separately fixed on hydraulic press, and the second semi-finished product 4 are then sleeved on third blank holder On 57, the formed punch driving third cavity plate 51 on hydraulic press is moved downward, when the second rotary table chamber 54 and second in third matrix cavity After semi-finished product 4 are in contact, third cavity plate 51 drives third blank holder 57 and the second semi-finished product 4 to move downwardly together, transports downwards In dynamic process, third matrix cavity is just drawn the second semi-finished product 4 on third blank holder 57 with the interaction of third punch-pin 52 Stretch the third semi-finished product 6 to form rim of a cup bottom of a cup state upward downward.As shown in fig. 6, the cup body height H6 of third semi-finished product 6 is most 0.66 times, i.e. H6=0.66H=68mm of the cup body height H of finished product A, the third semi-finished product 6 include: from rim of a cup to bottom of a cup according to It is secondary are as follows: the third column part 61 comprising rim of a cup, third rotary table part 62 and third bottom of a cup 63, the big mouth of third rotary table part 62 Third arc surface between diameter end and third column part 61 with evagination smoothly transits connection, the arc section half of third arc surface Diameter r6 is 12mm, and the small-caliber end of third rotary table part 62 smoothly transits with third bottom of a cup 63 to be connect, and there are height on rim of a cup For 19mm the tubaeform processing of third more than side 64, the overall height H 61 of rim of a cup and third column part 61 is the cup of third semi-finished product 6 0.765 times of height degree H6, i.e. H61=0.765H6=52mm, the internal diameter D6 of third column part 61 are that final finished A rim of a cup is straight 0.612 times of diameter D, i.e. D6=0.612D=60mm, third arc surface, third rotary table part 62 and third bottom of a cup 63 total height H62 is 0.235 times, i.e. H62=0.235H6=16mm of cup body height H6 of third semi-finished product 6, the diameter d6 of third bottom of a cup 63 with The diameter d4 of the second bottom of a cup 43 in step (2) is identical, i.e. d6=d4=30mm.

(4), the 4th stretching:

It stretches the 4th used and stretches mode structure as shown in fig. 7, the 4th stretching die includes: the made of wolfram steel for 4th time Four cavity plates 71 and the 4th punch-pin 72, on the 4th cavity plate 71 along the lateral wall of the 4th cavity plate 71 be provided with can on hydraulic press Hollow punch on connected the 4th boss 711 of pressing plate, be additionally provided on the 4th cavity plate 71 through the 4th about 71 cavity plate 4th matrix cavity at end, the 4th matrix cavity include: sequentially connected third cylindrical cavity 73 and third rotary table chamber from top to bottom 74, the 14th arc surface between third cylindrical cavity 73 and the small-caliber end of third rotary table chamber 74 with convex smoothly transits connection, The arc section radius r71 of 14th arc surface is 15mm；4th punch-pin 72 is cylindrical, on the 4th punch-pin 72 The 15th arc surface between top surface and side with evagination smoothly transits connection, the arc section radius r72 of the 15th arc surface For 9mm；4th punch-pin 72 is adapted with the 4th matrix cavity, and being equipped in the outer sheath of the 4th punch-pin 72 can be along the 4th punch-pin 72 The 4th blank holder 75 that moves up and down of lateral wall, the third semi-finished product 6 in step (3) can be sleeved on the 4th blank holder 75 On, and there are drawing gap between third semi-finished product 6 and the 4th blank holder 75, the third half that is sleeved on the 4th blank holder 75 Finished product 6 can act against on the inner sidewall of the third rotary table chamber 74 in the 4th matrix cavity, be provided with and run through on the 4th punch-pin 72 7th vent 721 of 72 upper and lower side of the 4th punch-pin, be additionally provided on the 4th punch-pin 72 connection the 7th vent 721, And the 8th vent 722 of the 4th punch-pin 72 is extended transversely through, being provided in the bottom of the 4th punch-pin 72 can be flat with hydraulic press The 4th connected threaded hole 723 of platform；

The third semi-finished product 6 completed will be stretched in step (3) with the 4th stretching die and carry out the 4th stretching: respectively by the 4th cavity plate 71, the 4th punch-pin 72 and the 4th blank holder 75 are fixed on a hydraulic press, and third semi-finished product 6 are then sleeved on the 4th blank holder 75 On, the formed punch on hydraulic press drives the 4th cavity plate 71 to move downward, when the third rotary table chamber 74 and third half in the 4th matrix cavity After finished product 6 is in contact, the 4th cavity plate 71 drives the 4th blank holder 75 and third semi-finished product 6 to move downwardly together, is moving downward During, the 4th matrix cavity just makes the third semi-finished product 6 on the 4th blank holder 75 be stretched with the interaction of the 4th punch-pin 72 Form the 4th semi-finished product 8 of rim of a cup bottom of a cup state upward downward.As shown in figure 8, the cup body height H8 of the 4th semi-finished product 8 is final 0.757 times, i.e. H8=0.757H=78mm of the cup body height H of finished product A, the 4th semi-finished product 8 include: from rim of a cup to bottom of a cup according to It is secondary are as follows: the 4th column part 81, first comprising rim of a cup stretches tapered intermediate portion 82, the 5th column part 83 and the 4th bottom of a cup 84, it is smoothly transitted connection between the 5th column part 83 and the 4th bottom of a cup 84 with the 4th arc surface of evagination, the 4th arc surface Arc section radius r8 is 10mm, and the small-caliber end of the first stretching tapered intermediate portion 82 smoothly transits with the 5th column part 83 The large diameter end of connection, the first stretching tapered intermediate portion 82 is connect with the 4th column part 81, and there are be highly on rim of a cup The overall height H 81 of side 85 more than the 4th tubaeform processing of 19mm, rim of a cup and the 4th column part 81 is the cup body of the 4th semi-finished product 8 In 0.256 times of height H8, i.e. H81=0.256H8=20mm, the internal diameter D8 of the 4th column part 81 and third semi-finished product 6 Third column part 61 internal diameter D6 it is identical, i.e. D8=D6=60mm, first stretch tapered intermediate portion 82 height H82 It is 0.231 times of the cup body height H8 of the 4th semi-finished product 8, i.e. H82=0.231H8=18mm, the 5th column part 83 and the 4th glass The overall height H 83 at bottom 84 is 0.513 times, i.e. H83=0.513H8=40mm of the cup body height H8 of the 4th semi-finished product 8, the 4th bottom of a cup 84 diameter d8 is 0.8 times of the bottom of a cup diameter d of final finished A, i.e. d8=0.8d=28mm.

(5), the 5th stretching:

The 5th stretching mode structure that 5th stretching uses is as shown in figure 9, the 5th stretching die includes: to be made of wolfram steel The 5th cavity plate 91 and the 5th punch-pin 92, on the 5th cavity plate 91 along the lateral wall of the 5th cavity plate 91 be provided with can with it is hydraulic The 5th connection boss 911 that the pressing plate on hollow punch on machine is connected, is additionally provided with recessed through the 5th on the 5th cavity plate 91 5th matrix cavity of 91 upper and lower side of mould, the 5th matrix cavity include: sequentially connected 4th cylindrical cavity 93 and from top to bottom Four rotary table chambers 94, with the 16th smooth mistake of arc surface of convex between the 4th cylindrical cavity 93 and the small-caliber end of the 4th rotary table chamber 94 Connection is crossed, the arc section radius r91 of the 16th arc surface is 15mm；5th punch-pin 92 is cylindrical, and the 5th is convex The 17th arc surface between top surface and side on mould 92 with evagination smoothly transits connection, the arc section of the 17th arc surface Radius r92 is 5mm；5th punch-pin 92 is adapted with the 5th matrix cavity, in the outer sheath of the 5th punch-pin 92 equipped with can be along the The 5th blank holder 95 that the lateral wall of five punch-pin 92 moves up and down, the 4th semi-finished product 8 in step (4) can be sleeved on the 5th pressure On flange 95, there are drawing gap between the 4th semi-finished product 8 and the 5th blank holder 95, be sleeved on the 5th blank holder 95 Four semi-finished product 8 can act against on the inner sidewall of the 4th rotary table chamber 94 in the 5th matrix cavity, be provided on the 5th punch-pin 92 Through the 9th vent 921 of 92 upper and lower side of the 5th punch-pin, the 9th vent of connection is additionally provided on the 5th punch-pin 92 921 and extend transversely through the tenth vent 922 of the 5th punch-pin 92, the bottom of the 5th punch-pin 92 be provided with can with it is hydraulic The 5th connected threaded hole 923 of machine platform；

The 4th semi-finished product 8 completed will be stretched in step (4) with the 5th stretching die and carry out the 5th stretching: respectively by the 5th cavity plate 91, the 5th punch-pin 92 and the 5th blank holder 95 are fixed on a hydraulic press, and the 4th semi-finished product 8 are then sleeved on the 5th blank holder 95 On, the formed punch on hydraulic press drives the 5th cavity plate 91 to move downward, the 4th rotary table chamber 94 and the 4th half in the 5th matrix cavity After finished product 8 is in contact, the 5th cavity plate 91 drives the 5th blank holder 95 and the 4th semi-finished product 8 to move downwardly together, is moving downward During, the 5th matrix cavity just makes the 4th semi-finished product 8 on the 5th blank holder 95 be stretched with the interaction of the 5th punch-pin 92 Form the 5th semi-finished product 10 of rim of a cup bottom of a cup state upward downward.As shown in Figure 10, the cup body height H10 of the 5th semi-finished product 10 is 0.873 times, i.e. H10=0.873H=90mm of the cup body height H of final finished A, the 5th semi-finished product 10 include: from rim of a cup to Bottom of a cup is successively are as follows: the 6th column part 101, second comprising rim of a cup stretches tapered intermediate portion 102, the 7th column part 103 And the 5th bottom of a cup 104, it is smoothly transitted connection between the 7th column part 103 and the 5th bottom of a cup 104 with the 5th arc surface of evagination, The arc section radius r10 of 5th arc surface is 6mm, and second stretches the small-caliber end and the 7th cylinder of tapered intermediate portion 102 Part 103 smoothly transits connection, and the large diameter end of the second stretching tapered intermediate portion 102 is connect with the 6th column part 101, On rim of a cup there are height be 19mm the 5th tubaeform processing more than side 105, the overall height H 101 of rim of a cup and the 6th column part 101 It is 0.222 times of the cup body height H10 of the 5th semi-finished product 10, H101=0.222H10=20mm, the internal diameter of the 6th column part 101 D10 is 0.602 times, i.e. D10=0.602D=59mm of the rim of a cup diameter D of final finished A, and second stretches tapered intermediate portion 102 Height H102 be 0.278 times, i.e. H102=0.278H10=25mm of cup body height H10 of the 5th semi-finished product 10, the 7th cylinder The overall height H 103 of part 103 and the 5th bottom of a cup 104 is 0.505 times of cup body height H10 of the 5th semi-finished product 10, i.e. H103= 0.5H10=45mm, the diameter d10 of the 5th bottom of a cup 104 are 0.771 times of the bottom of a cup diameter d of final finished A, i.e. d10=0.771d= 27mm。

(6), the 6th stretching:

6th stretching mode structure used in 6th stretching is as shown in figure 11, and the 6th stretching die includes: to be made of wolfram steel The 6th cavity plate 111 and the 6th punch-pin 112, being provided on the 6th cavity plate 111 along the lateral wall of the 6th cavity plate 111 can be with The link slot 1111 that the pressing plate in annular punch on hydraulic press is connected, is additionally provided with recessed through the 6th on the 6th cavity plate 111 6th matrix cavity of 111 upper and lower side of mould, the 6th matrix cavity include: from top to bottom sequentially connected 5th cylindrical cavity 113 and 5th rotary table chamber 114, smoothly transit connection between the 5th cylindrical cavity 113 and the small-caliber end of the 5th rotary table chamber 114, in the 5th circle The horn opening being gradually expanded downwards is connected in the large diameter end of platform chamber 114；6th punch-pin 112 include: on to Under sequentially connected 4th cylindrical section 115, the 4th rotary table section 116 and the 5th cylindrical section 117, the 4th cylindrical section 115 and the 4th circle Smoothly transit connection between the small-caliber end of platform section 116, between the large diameter end and the 5th cylindrical section 117 of the 4th rotary table section 116 Smoothly transit connection, is smoothly transitted connection between the top surface and side on the 4th cylindrical section 115 with the 18th arc surface of evagination, The arc section radius r112 of 18th arc surface is 4mm, and the 6th punch-pin 112 is adapted with the 6th matrix cavity, the 5th semi-finished product 10 can be sleeved on the 6th punch-pin 112, and there are drawing gaps between the 5th semi-finished product 10 and the 6th punch-pin 112, The outer sheath of six punch-pin 112 is equipped with the 6th blank holder 118 that can be moved up and down along the 6th punch-pin 112, when in step (5) When 5th semi-finished product 10 are sleeved on the 6th punch-pin 112, side 105 is resisted against more than the 5th tubaeform processing on the 5th semi-finished product 10 On 6th blank holder 118, the 11st vent through 112 upper and lower side of the 6th punch-pin is provided on the 6th punch-pin 112 1121, it is provided with the 11st vent 1121 of connection on the 5th cylindrical section 117 and extends transversely through the 5th cylindrical section 117 12nd vent 1122 is provided with the 6th threaded hole that can be connected with hydraulic machine platform in the bottom of the 6th punch-pin 112 1123；

The 5th semi-finished product 10 completed will be stretched in step (5) with the 6th stretching die and carry out the 6th stretching: recessed by the 6th respectively Mould 111, the 6th punch-pin 112, the 6th blank holder 118 are fixed on a hydraulic press, and it is convex that the 5th semi-finished product 10 are then sleeved on the 6th On mould 112, formed punch on hydraulic press drives the 6th cavity plate 111 to move downward, and with the 6th blank holder 118 together by the 5th half at More than the 5th tubaeform processing on product 10 side 105 clamp, then the 6th cavity plate 111 drive the 6th blank holder 118 and the 5th half at Product 10 move downwardly together, and during moving downward, the interaction of the 6th matrix cavity and the 6th punch-pin 112 just makes the 6th convex The 5th semi-finished product 10 on mould 112 are stretched to form the 6th semi-finished product 12 of rim of a cup bottom of a cup state upward downward.As shown in figure 12, The cup body height H12 of 6th semi-finished product 12 is 1.068 times, i.e. H12=1.068H=110mm of the cup body height H of final finished A, 6th semi-finished product 12 include: from rim of a cup to bottom of a cup successively are as follows: the 4th rotary table part 121 comprising rim of a cup, the 8th cylindrical portion Points 122 and the 6th bottom of a cup 123, it is smoothly transitted between the 8th column part 122 and the 6th bottom of a cup 123 with the 6th arc surface of evagination The arc section radius r12 of connection, the 6th arc surface is 5mm, and the large diameter end of the 4th rotary table part 121 is final finished A Rim of a cup, i.e. internal diameter D12=D=98mm of 121 large diameter end of the 4th rotary table part, on rim of a cup there are height be 2mm cutting Remaining side 124, with the 7th smooth mistake of arc surface of indent between the small-caliber end and the 8th cylindrical portion 122 of the 4th rotary table part 121 Cross connection, the arc section radius r121 of the 7th arc surface is 10mm, the height H121 of the 4th rotary table part 121 be the 6th half at 0.673 times, i.e. H121=0.673H12=74mm of the cup body height H12 of product 12, the 6th bottom of a cup 123 and the 8th column part 122 Overall height H 122 be 0.291 times, i.e. H122=0.291H12=32mm, the 6th glass of cup body height H12 of the 6th semi-finished product 12 The diameter dimension d12 at bottom 123 is identical as the diameter dimension d10 of the 5th bottom of a cup 104 in the 5th semi-finished product 10, i.e. and d12=d10= 27mm。

(7), bulging:

The bulging mode structure that bulging uses is as shown in figure 13, and the bulging die includes: lower die 131, cover die 132 and upper mold 133, the lower die 131 includes: successively smoothly transit from top to bottom the 6th cylindrical section 134 of connection, the 5th rotary table section 135 and Seven cylindrical sections 136 are provided with the water inlet duct 1311 of upward access in the bottom end of lower die 131, the 6th cylinder in lower die 131 The water outlet duct 1312 for extending transversely through 134 left and right sidewall of the 6th cylindrical section is provided in section 134, intake duct 1311 and apopore Road 1312 is connected, and offers seal groove on the lateral wall for the 6th cylindrical section 134 being located at below apopore road 1312, It is provided with sealing ring 1313 in seal groove, is provided with and outwardly protrudes on the lateral wall of the 7th cylindrical section 136 in lower die 131 Connection boss 1361, connection boss 1361 on be provided with the 7th blank holder 137, along the 7th on the 7th blank holder 137 The lateral wall of blank holder 137 is provided with the 6th boss 1371 that can be connected with bulging machine platform；The cover die 132 is cylinder Shape is provided with outer guiding surface 1321 on the top outer wall of cover die 132, in cover die 132 perforation be provided on to Under successively smoothly transit the lower half arc bulge chamber 1322 and the 6th rotary table chamber 1323 of connection；Along upper mold 133 in upper mold 133 Lateral wall be provided with the 7th boss 1331 that can be connected with the pressing plate on the formed punch on expanding machine, at the bottom of upper mold 133 Portion is provided with can be for the accommodating chamber 1334 that cover die 132 protrudes into, and the side wall of accommodating chamber 1334 is that can lead with outer on cover die 132 To the compatible interior guiding surface 1332 in inclined-plane 1321, the top of accommodating chamber 1334 be provided with can on cover die 132 under The compatible upper half arc bulge chamber 1333 of half arc bulge chamber 1322, after cover die 132 is extend into accommodating chamber 1334, lower half Arc bulge chamber 1322 and upper half arc bulge chamber 1333 are involutory and form whole arc bulge chamber；

Bulging is carried out by the 6th semi-finished product 12 completed are stretched in step (6) with bulging die: respectively by lower die 131 and upper mold 133 It is fixed on shape expanding machine, then will machine away the 6th semi-finished product 12 for cutting remaining side 124 and be sleeved in lower die 131, at this point, the 6th Rim of a cup on semi-finished product 12 is resisted against on the 7th blank holder 137, and the 8th column part 122 in the 6th semi-finished product 12 is sleeved on down Inner sidewall on the 6th cylindrical section 134 in mould 131, and on the 8th column part 122 squeezes the sealing ring in seal groove 1313, the 6th bottom of a cup 123 in the 6th semi-finished product 12 and between the top of the 6th cylindrical section 134 in lower die 131 there are gap, A confined space is formed between the 8th column part 122 and the 6th bottom of a cup 123 in 6th semi-finished product 12；Then by cover die 132 are set on the 6th semi-finished product 12, the 6th rotary table chamber 1323 in cover die 132 and the 4th rotary table portion in the 6th semi-finished product 12 121 are divided to be adapted, the lower half arc bulge chamber 1322 in cover die 132 and 122 phase of the 8th column part in the 6th semi-finished product 12 Adaptation；Then upper mold 133 is moved down, until the upper half arc bulge chamber 1333 in upper mold 133 is resisted against in the 6th semi-finished product 12 The 6th bottom of a cup 123 on, the interior guiding surface 1332 in upper mold 133 is in contact with the outer guiding surface 1321 in cover die 132.So Water inlet duct 1311 of the expanding machine into lower die 131 fills the water afterwards, and the water in the duct 1311 that intakes flows into after water outlet 1312 Into the 8th column part 122 in the 6th semi-finished product 12, as the water in the 8th column part 122 is more and more, the 8th circle Post part 122 by gradually being expanded outwardly after the extruding force of water, meanwhile, upper mold 133 is slowly pressed down against the 6th bottom of a cup 123, directly The arc bulge for having bottom of a cup is collectively formed in the 8th column part 122 and the 6th bottom of a cup 123 into the 6th semi-finished product 12 125, this just obtains final finished A.As shown in figure 14, the final finished A includes: the 4th rotary table part comprising rim of a cup 121 and the arc bulge 125 with bottom of a cup, between the small-caliber end of the 4th rotary table part 121 and the bulge 125 with bottom of a cup It is smoothly transitted connection with the 7th arc surface of indent, the arc section radius r121 of the 7th arc surface is 10mm, final finished A's Cup body height H is 103mm, and the diameter D of rim of a cup is 98mm, and the diameter d of bottom of a cup is 35mm.

Claims

1. stretching and the bulging process of stainless steel taper ice cup, it is characterised in that: its forming step is as follows:

2. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the first stretching die Include: the first cavity plate and the first punch-pin, on the first cavity plate along the lateral wall of the first cavity plate be provided with can on hydraulic press Hollow punch on the connected first boss of pressing plate, the cylinder through the first cavity plate upper and lower side is additionally provided on the first cavity plate The first matrix cavity of shape, the 8th arc surface between the first cavity plate chamber inner sidewall and the first female bottom with convex smoothly transit company It connects, the arc section radius size of the 8th arc surface is 6~10mm；First punch-pin includes: sequentially connected from top to bottom First rotary table section and the first cylindrical section, smoothly transit connection between the large diameter end and the first cylindrical section of the first rotary table section, and first The 9th arc surface between top surface and inclined-plane in rotary table section with evagination smoothly transits connection, the arc section half of the 9th arc surface Diameter is having a size of 7~10mm；First punch-pin is adapted with the first matrix cavity, and being equipped in the outer sheath of the first punch-pin can be along first The first blank holder that the lateral wall of punch-pin moves up and down, is provided with the placement that can place stainless sheet steel on the first blank holder Slot is provided on the first punch-pin through the first exhaust duct of the first punch-pin upper and lower side, the company of being additionally provided on the first punch-pin Logical first exhaust duct and the second exhaust duct for extending transversely through the first punch-pin, being provided in the bottom of the first punch-pin can be with The first connected threaded hole of hydraulic machine platform.

3. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the second stretching die Include: the second cavity plate and the second punch-pin, on the second cavity plate along the lateral wall of the second cavity plate be provided with can on hydraulic press Hollow punch on the connected second boss of pressing plate, second through the second cavity plate upper and lower side is additionally provided on the second cavity plate Matrix cavity, second matrix cavity include: sequentially connected first cylindrical cavity and the first rotary table chamber from top to bottom, the first cylindrical cavity The tenth arc surface between the small-caliber end of the first rotary table chamber with convex, which smoothly transits, to be connect, the arc section of the tenth arc surface Radius size is 12~16mm, is connected with the horn opening being gradually expanded downwards in the large diameter end of the first rotary table chamber；Institute Stating the second punch-pin includes: sequentially connected second rotary table section and the second cylindrical section from top to bottom, the top surface in the second rotary table section with The 11st arc surface between inclined-plane with evagination smoothly transits connection, and the arc section radius size of the 11st arc surface is 7~ 10mm, smoothly transit between the large diameter end and the second cylindrical section in the second rotary table section connection；Second punch-pin and the second matrix cavity It is adapted, the second blank holder that can be moved up and down along the lateral wall of the second punch-pin, step is housed in the outer sheath of the second punch-pin Suddenly the first semi-finished product in (1) can be sleeved on the second blank holder, and between the first semi-finished product and the second blank holder there are Drawing gap, the first semi-finished product being sleeved on the second blank holder can act against the interior of the first rotary table chamber in the second matrix cavity On side wall, it is provided with the third vent through the second punch-pin upper and lower side on the second punch-pin, is also set up on the second punch-pin There is connection third vent and extend transversely through the 4th vent of the second punch-pin, the bottom of the second punch-pin is provided with energy Enough the second threaded holes being connected with hydraulic machine platform.

4. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: third stretching die Include: third cavity plate and third punch-pin, on third cavity plate along the lateral wall of third cavity plate be provided with can on hydraulic press Hollow punch on the connected third boss of pressing plate, the third through third cavity plate upper and lower side is additionally provided on third cavity plate Matrix cavity, the third matrix cavity include: sequentially connected second cylindrical cavity and the second rotary table chamber from top to bottom, the second cylindrical cavity The 12nd arc surface between the small-caliber end of the second rotary table chamber with convex, which smoothly transits, to be connect, the arc of the 12nd arc surface Section radius is connected be gradually expanded downwards tubaeform in the large diameter end of the second rotary table chamber and opens having a size of 18~20mm Mouthful；The third punch-pin includes: sequentially connected third rotary table section and third cylindrical section from top to bottom, the top in third rotary table section The tenth three-arc face between face and inclined-plane with evagination smoothly transits connection, and the arc section radius size in the tenth three-arc face is 7~10mm, smoothly transit between the large diameter end and third cylindrical section in third rotary table section connection；Third punch-pin and third cavity plate Chamber is adapted, and the third blank holder that can be moved up and down along the lateral wall of third punch-pin is housed in the outer sheath of third punch-pin, The second semi-finished product in step (2) can be sleeved on third blank holder, and be stayed between the second semi-finished product and third blank holder There is drawing gap, the second semi-finished product being sleeved on third blank holder can act against the second rotary table chamber in third matrix cavity On inner sidewall, it is provided with the 5th vent through third punch-pin upper and lower side on third punch-pin, is also set on third punch-pin It is equipped with the 5th vent of connection and extends transversely through the 6th vent of third punch-pin, be provided in the bottom of third punch-pin The third threaded hole that can be connected with hydraulic machine platform.

5. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the 4th stretching die Include: the 4th cavity plate and the 4th punch-pin, on the 4th cavity plate along the lateral wall of the 4th cavity plate be provided with can on hydraulic press Hollow punch on connected the 4th boss of pressing plate, the through the 4th cavity plate upper and lower side the 4th is additionally provided on the 4th cavity plate Matrix cavity, the 4th matrix cavity include: sequentially connected third cylindrical cavity and third rotary table chamber from top to bottom, third cylindrical cavity The 14th arc surface between the small-caliber end of third rotary table chamber with convex, which smoothly transits, to be connect, the arc of the 14th arc surface Section radius is having a size of 12~15mm；4th punch-pin is cylindrical, between the top surface and side on the 4th punch-pin with 15th arc surface of evagination smoothly transits connection, and the arc section radius size of the 15th arc surface is 7~10mm；4th is convex Mould is adapted with the 4th matrix cavity, is equipped with and can be moved up and down along the lateral wall of the 4th punch-pin in the outer sheath of the 4th punch-pin 4th blank holder, the third semi-finished product in step (3) can be sleeved on the 4th blank holder, and third semi-finished product and the 4th pressure There are drawing gap between flange, the third semi-finished product being sleeved on the 4th blank holder can act against in the 4th matrix cavity On the inner sidewall of three rotary table chambers, the 7th vent through the 4th punch-pin upper and lower side is provided on the 4th punch-pin, the 4th It is additionally provided with the 7th vent of connection on punch-pin and extends transversely through the 8th vent of the 4th punch-pin, in the 4th punch-pin Bottom is provided with the 4th threaded hole that can be connected with hydraulic machine platform.

6. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the 5th stretching die Include: the 5th cavity plate and the 5th punch-pin, on the 5th cavity plate along the lateral wall of the 5th cavity plate be provided with can on hydraulic press Hollow punch on connected the 5th boss of pressing plate, the through the 5th cavity plate upper and lower side the 5th is additionally provided on the 5th cavity plate Matrix cavity, the 5th matrix cavity include: sequentially connected 4th cylindrical cavity and the 4th rotary table chamber from top to bottom, the 4th cylindrical cavity The 16th arc surface between the small-caliber end of the 4th rotary table chamber with convex, which smoothly transits, to be connect, the arc of the 16th arc surface Section radius is having a size of 12~16mm；5th punch-pin is cylindrical, between the top surface and side on the 5th punch-pin with 17th arc surface of evagination smoothly transits connection, and the arc section radius size of the 17th arc surface is 4~6mm；5th is convex Mould is adapted with the 5th matrix cavity, is equipped with and can be moved up and down along the lateral wall of the 5th punch-pin in the outer sheath of the 5th punch-pin 5th blank holder, the 4th semi-finished product in step (4) can be sleeved on the 5th blank holder, and the 4th semi-finished product and the 5th pressure There are drawing gap between flange, the 4th semi-finished product being sleeved on the 5th blank holder can act against in the 5th matrix cavity On the inner sidewall of four rotary table chambers, the 9th vent through the 5th punch-pin upper and lower side is provided on the 5th punch-pin, the 5th It is additionally provided with the 9th vent of connection on punch-pin and extends transversely through the tenth vent of the 5th punch-pin, in the 5th punch-pin Bottom is provided with the 5th threaded hole that can be connected with hydraulic machine platform.

7. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the 6th stretching die Include: the 6th cavity plate and the 6th punch-pin, on the 6th cavity plate along the lateral wall of the 6th cavity plate be provided with can on hydraulic press Annular punch on the connected link slot of pressing plate, be additionally provided on the 6th cavity plate through the 6th recessed of the 6th cavity plate upper and lower side Die cavity, the 6th matrix cavity include: sequentially connected 5th cylindrical cavity and the 5th rotary table chamber from top to bottom, the 5th cylindrical cavity with Smoothly transit connection between the small-caliber end of 5th rotary table chamber, is connected in the large diameter end of the 5th rotary table chamber and gradually expands downwards Big horn opening；6th punch-pin includes: sequentially connected 4th cylindrical section, the 4th rotary table section and the 5th from top to bottom Cylindrical section, smoothly transit between the small-caliber end on the 4th cylindrical section and the 4th rotary table section connection, the big mouth in the 4th rotary table section Smoothly transit connection between diameter end and the 5th cylindrical section, with the 18th circle of evagination between the top surface and side on the 4th cylindrical section Cambered surface smoothly transits connection, and the arc section radius size of the 18th arc surface is 3~5mm, the 6th punch-pin and the 6th matrix cavity It is adapted, the 5th semi-finished product can be sleeved on the 6th punch-pin, and there are between stretching between the 5th semi-finished product and the 6th punch-pin Gap is equipped with the 6th blank holder that can move up and down along the 6th punch-pin in the outer sheath of the 6th punch-pin, when the in step (5) When five semi-finished product are sleeved on the 6th punch-pin, side is resisted against the 6th blank holder more than the 5th tubaeform processing on the 5th semi-finished product On, it is provided with the 11st vent through the 6th punch-pin upper and lower side on the 6th punch-pin, is provided on the 5th cylindrical section It is connected to the 11st vent and extends transversely through the 12nd vent of the 5th cylindrical section, be arranged in the bottom of the 6th punch-pin There is the 6th threaded hole that can be connected with hydraulic machine platform.

8. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the bulging die It include: lower die, cover die and upper mold, the lower die includes: successively smoothly transit from top to bottom the 6th cylindrical section, the 5th circle of connection Platform section and the 7th cylindrical section have set up in the 6th cylindrical section into water duct, in lower die in the bottom end of lower die and have been provided with The water outlet duct of the 6th cylindrical section left and right sidewall is extended transversely through, water inlet duct is connected with water outlet duct, is being located at apopore road Seal groove is offered on the lateral wall of 6th cylindrical section of lower section, sealing ring is provided in seal groove, in lower die It is provided with connection boss on the lateral wall of 7th cylindrical section, the 7th blank holder is provided on connection boss, in the 7th blank holder On the lateral wall of the 7th blank holder is provided with the 6th boss that can be connected with bulging machine platform；The cover die is cylinder Shape is provided with outer guiding surface on the top outer wall of cover die, and perforation is provided with successively smooth from top to bottom in cover die The lower half arc bulge chamber and the 6th rotary table chamber of transition connection；Lateral wall in upper mold along upper mold is provided with can be with bulging The 7th boss that the pressing plate on formed punch on machine is connected, the bottom of upper mold be provided with can for the accommodating chamber that cover die protrudes into, The side wall of accommodating chamber be can interior guiding surface compatible with the outer guiding surface on cover die, be provided at the top of accommodating chamber Can upper half arc bulge chamber compatible with the lower half arc bulge chamber on cover die, after cover die is extend into accommodating chamber, under Half arc bulge chamber and upper half arc bulge chamber are involutory and form whole arc bulge chamber.

9. stretching and the bulging process of stainless steel taper ice cup according to claim 1, it is characterised in that: the stainless steel Thin plate is 304 stainless sheet steels of thickness 1mm, diameter 180mm.