CN105149413A - Three-face-blade type double-sided shearing die for channel steel cutoff - Google Patents
Three-face-blade type double-sided shearing die for channel steel cutoff Download PDFInfo
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- CN105149413A CN105149413A CN201510515322.4A CN201510515322A CN105149413A CN 105149413 A CN105149413 A CN 105149413A CN 201510515322 A CN201510515322 A CN 201510515322A CN 105149413 A CN105149413 A CN 105149413A
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Abstract
The invention relates to a stamping die, in particular to a three-face-blade type double-sided shearing die for channel steel cutoff. The problems that an existing method for channel steel cutoff is low in production efficiency and cannot adapt to large-batch production are solved. The three-face-blade type double-sided shearing die for channel steel cutoff comprises a lower die assembly and an upper die assembly. The lower die assembly comprises a lower die base, two guide columns, two lower shearing cutters and four lower shearing cutter fixing screws. The upper die assembly comprises an upper die base, a die handle, a cushion plate, an upper shearing cutter fixing plate, an upper shearing cutter, two guide sleeves and a plurality of upper shearing cutter fixing screws. The upper shearing cutter fixing plate is fixedly connected to the lower end face of the upper die base through the upper shearing cutter fixing screws. A rectangular counter bore and a rectangular through hole are sequentially formed in the middle of the upper shearing cutter fixing plate from top to bottom, and the upper shearing cutter is inserted in the rectangular through hole. The three-face-blade type double-sided shearing die is used for channel steel cutoff
Description
Technical field
The present invention relates to a kind of diel, be specifically related to a kind of three sword formula bilaterals and shear channel beam cutting die.
Background technology
Punching press is a kind of process of machining, is to use forcing press to be pressurizeed to metal blank by mould, makes it produce plastic deformation, thus obtains the part of definite shape, size and performance, and it is one of processing method important in machine-building.The part kind utilizing process for stamping to produce is a lot, and its forming method is also varied, and by molding procedure kind, sum up point two large classes, one is separation circuit, and two is molding procedure.Separation circuit comprises blanking, punching, otch, cutting, cut-out etc., raw material is cut into two or more workpiece and is called cut-out.
The parts of many products, directly cut off by channel-section steel to form, channel-section steel cuts off a lot of method, milling machine milling can be adopted to break, also can be sawed-off with sawing machine, these two kinds of method production efficiencys are all very low, be not suitable with mass production, also can purchase channel-section steel and cut off special purpose machine tool, do disposable infusion of financial resources so comparatively large, increase workpiece cost of manufacture.
Summary of the invention
The present invention is low in order to the method production efficiency solving the cut-out of existing channel-section steel, is not suitable with the problem produced in enormous quantities, and then proposes a kind of three sword formula bilaterals shearing channel beam cutting dies.
The present invention solves the problems of the technologies described above the technical scheme taked to be: the present invention includes lower mold assemblies and upper die component, lower mold assemblies comprises die shoe, two guide pillars, two down cut cuttves and four down cut cutter hold-down screws, the lower surface of die shoe and the following table of lathe affixed, the centre position of die shoe upper surface is provided with rectangular boss, the upper surface of rectangular boss is provided with rectangular channel, the left and right sides wall of rectangular channel is respectively equipped with channel-section steel groove along horizontal axis direction, the left and right sides of rectangular channel inwall is connected with a down cut cutter respectively, each down cut cutter is fixed on the sidewall of rectangular channel respectively by two down cut cutter hold-down screws, gap is left between two down cut cuttves, the upper surface Symmetrical vertical of die shoe is connected with two guide pillars, upper die component comprises upper bolster, die shank, backing plate, upper shear knife fixed head, upper shear knife, two guide pin bushings and multiple upper shear knife hold-down screw, die shank is fixed in the centre position of upper bolster upper surface, the upper end of die shank is connected with the slide block of lathe, the lower surface of upper bolster is vertically fitted with two guide pin bushings, each guide pillar is inserted in a guide pin bushing respectively, vertically be slidably connected between each guide pillar and guide pin bushing, upper shear knife fixed head is fixed on the lower surface of upper bolster by multiple upper shear knife hold-down screw, backing plate is provided with between upper shear knife fixed head and upper bolster, the centre position of upper shear knife fixed head is provided with rectangle counterbore and rectangular through holes from top to bottom successively, upper shear knife is inserted in rectangular through holes, the upper end of upper shear knife is provided with rectangular flange, rectangular flange is installed in rectangle counterbore, when three sword formula bilaterals shear channel beam cutting die matched moulds, the lower end of upper shear knife extends in the gap between two down cut cuttves.
The beneficial effect that the present invention compared with prior art comprises is: the invention solves that milling machine milling when cutting off channel-section steel is disconnected, sawing machine is sawed-off, these two kinds of method production efficiencys are low, purchase channel-section steel and cut off the larger problem of the disposable infusion of financial resources of special purpose machine tool, the present invention being combined utilizes existing punch press to cut off channel-section steel, production efficiency and channel-section steel cut off special purpose machine tool quite, and being 20 times of the sawed-off channel-section steel of sawing machine, is 40 times of milling machine milling fault trough steel, production efficiency is high, is applicable to produce in enormous quantities.
Accompanying drawing explanation
Fig. 1 is integrally-built front view of the present invention; Fig. 2 is the left view of Fig. 1; Fig. 3 is the front view of lower mold assemblies 1; Fig. 4 is the left view of Fig. 3; Fig. 5 is the top view of Fig. 3; Fig. 6 is the front view of upper die component 2; Fig. 7 is the left view of Fig. 6; Fig. 8 is the top view of Fig. 6; Fig. 9 is the front view being sheared channel-section steel; Figure 10 is the top view of Fig. 9.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 to Figure 10 illustrates present embodiment, a kind of three sword formula bilaterals described in present embodiment are sheared channel beam cutting die and are comprised lower mold assemblies 1 and upper die component 2, lower mold assemblies 1 comprises die shoe 1-1, two guide pillar 1-2, two down cut cutter 1-4 and four down cut cutter hold-down screw 1-3, the lower surface of die shoe 1-1 and the following table of lathe affixed, the centre position of die shoe 1-1 upper surface is provided with rectangular boss 1-1-1, the upper surface of rectangular boss 1-1-1 is provided with rectangular channel 1-1-2, the left and right sides wall of rectangular channel 1-1-2 is respectively equipped with channel-section steel groove 1-1-3 along horizontal axis direction, the left and right sides of rectangular channel 1-1-2 inwall is connected with a down cut cutter 1-4 respectively, each down cut cutter 1-4 is fixed on the sidewall of rectangular channel 1-1-2 respectively by two down cut cutter hold-down screw 1-3, gap is left between two down cut cutter 1-4, the upper surface Symmetrical vertical of die shoe 1-1 is connected with two guide pillar 1-2, upper die component 2 comprises upper bolster 2-2, die shank 2-4, backing plate 2-6, upper shear knife fixed head 2-7, upper shear knife 2-8, two guide pin bushing 2-1 and multiple upper shear knife hold-down screw 2-3, die shank 2-4 is fixed in the centre position of upper bolster 2-2 upper surface, the upper end of die shank 2-4 is connected with the slide block of lathe, the lower surface of upper bolster 2-2 is vertically fitted with two guide pin bushing 2-1, each guide pillar 1-2 is inserted in a guide pin bushing 2-1 respectively, vertically be slidably connected between each guide pillar 1-2 and guide pin bushing 2-1, upper shear knife fixed head 2-7 is fixed on the lower surface of upper bolster 2-2 by multiple upper shear knife hold-down screw 2-3, backing plate 2-6 is provided with between upper shear knife fixed head 2-7 and upper bolster 2-2, the centre position of upper shear knife fixed head 2-7 is provided with rectangle counterbore 2-7-1 and rectangular through holes 2-7-2 from top to bottom successively, upper shear knife 2-8 is inserted in rectangular through holes 2-7-2, the upper end of upper shear knife 2-8 is provided with rectangular flange 2-8-1, rectangular flange 2-8-1 is installed in rectangle counterbore 2-7-1, when three sword formula bilaterals shear channel beam cutting die matched moulds, the lower end of upper shear knife 2-8 extends in the gap between two down cut cutter 1-4.
Lower mold assemblies 1 is fixed on the following table of press machine by die shoe 1-1 by design like this, upper die component 2 is connected with the slide block of lathe by die shank 2-4, the outside of guide pillar 1-2 is sleeved on by guide pin bushing 2-1, and vertically slide up and down along guide pillar 1-2, thus realize stable engagement between upper die component 2 and lower mold assemblies 1, to wait to shear channel-section steel successively through two channel-section steel groove 1-1-3, when three sword formula bilaterals shear channel beam cutting die matched moulds, the lower end of upper shear knife 2-8 extends in the gap between two down cut cutter 1-4, once shaping is cut off by upper shear knife 2-8 and two down cut cutter 1-4.
Detailed description of the invention two: composition graphs 1 to Fig. 5 illustrates present embodiment, the left and right sides of die shoe 1-1 described in present embodiment is arranged with one group respectively and hangs mould screw 1-5.Other composition is identical with detailed description of the invention one with connected mode.
Mould screw 1-5 is hung in design like this two groups, convenient when changing lower mold assemblies, carries out lifting mould.
Detailed description of the invention three: composition graphs 1 to Fig. 2 and Fig. 6 to Fig. 8 illustrates present embodiment, the affixed mode of upper bolster 2-2 described in present embodiment and die shank 2-4 lower end, for being threaded, is in axial direction provided with holding screw 2-5 between upper bolster 2-2 and die shank 2-4.Other composition is identical with detailed description of the invention one with connected mode.
Design like this is threaded adopting between upper bolster 2-2 with die shank 2-4, for convenience detach, between upper bolster 2-2 and die shank 2-4, be provided with holding screw 2-5 simultaneously, can, by tightening between upper bolster 2-2 and die shank 2-4, prevent die shank 2-4 from occurring to loosen and screw out on upper bolster 2-2.
Detailed description of the invention four: composition graphs 1 to Fig. 5 and Fig. 9 to Figure 10 illustrates present embodiment, described in present embodiment, the cross section of each down cut cutter 1-4 is " recessed " font, each down cut cutter 1-4 comprises a horizontal down cut sword 1-4-1 and two vertical shear blade 1-4-2, horizontal down cut sword 1-4-1 is the horizontal plane inside down cut cutter 1-4, and vertical shear blade 1-4-2 is respectively two vertical planes of down cut cutter 1-4.Other composition is identical with detailed description of the invention one with connected mode.
In design like this, the lower end of shear knife 2-8 extends in the gap between two down cut cutter 1-4, formation bilateral is sheared, down cut cutter 1-4 has three cutting edges, coordinate formation three sword formulas to shear with upper shear knife 2-8, to wait that shearing channel-section steel is placed in the groove of two down cut cutter 1-4 when shearing, treat that the shearing lateral wall of channel-section steel and horizontal down cut sword 1-4-1 and two shape that vertical shear blade 1-4-2 forms of down cut cutter 1-4 match, thus in the process vertically moved down at upper die component 2, match with upper shear knife 2-8, realize cutting off.
Detailed description of the invention five: composition graphs 1 to Fig. 5 and Fig. 9 to Figure 10 illustrates present embodiment, the length of the horizontal down cut sword 1-4-1 of each down cut cutter 1-4 described in present embodiment is than the length 8mm ~ 12mm larger than the stile height waiting to shear channel-section steel respectively waiting the bottom width large 0.8mm ~ 1.2mm, two the vertical shear blade 1-4-2 of each down cut cutter 1-4 that shear channel-section steel.Other composition is identical with detailed description of the invention four with connected mode.
Design like this makes the length of each shear blade of down cut cutter 1-4 all be greater than the corresponding length treating sheared edge, ensures that each limit of channel-section steel can be sheared complete.
Detailed description of the invention six: composition graphs 1 to Fig. 5 and Fig. 9 to Figure 10 illustrates present embodiment, the length of the horizontal down cut sword 1-4-1 of each down cut cutter 1-4 described in present embodiment is than the length 10mm larger than the stile height waiting to shear channel-section steel respectively waiting the bottom width large 1mm, two the vertical shear blade 1-4-2 of each down cut cutter 1-4 that shear channel-section steel.Other composition is identical with detailed description of the invention five with connected mode.
Design like this, under complete prerequisite can be sheared in the guarantee each limit of channel-section steel, realizes the optimal value of down cut cutter 1-4 size.
Detailed description of the invention seven: composition graphs 1 to Fig. 2 and Fig. 6 to Figure 10 illustrates present embodiment, the longitudinal section of the lower end cutter head of upper shear knife 2-8 described in present embodiment is for falling isosceles trapezoid, upper shear knife 2-8 comprises shear blade 2-8-1 and two oblique shear blade 2-8-2 in level, in level, shear blade 2-8-1 is the lower surface of the cutter head of upper shear knife 2-8, and oblique shear blade 2-8-2 is respectively two inclined-planes of the cutter head of shear knife 2-8.Other composition is identical with detailed description of the invention one with connected mode.
In design like this, shear knife 2-8 has three shear blade, coordinate formation three sword formulas to shear with down cut cutter 1-4, in the level of upper shear knife 2-8 shear blade 2-8-1 and two shape that oblique shear blade 2-8-2 forms with wait that the inner shape shearing channel-section steel matches, when in the level of upper shear knife 2-8, shear blade 2-8-1 starts to contact workpiece, two skew back shear blade 2-8-2 also contact workpiece, and in level, shear blade 2-8-1 and two oblique shear blade 2-8-2 shears workpiece simultaneously.
Detailed description of the invention eight: composition graphs 1 to Fig. 2 and Fig. 6 to Fig. 8 illustrates present embodiment, the fit system described in present embodiment between two guide pin bushing 2-1 and upper bolster 2-2 is respectively interference fit.Other composition is identical with detailed description of the invention one with connected mode.
It is affixed that design like this realizes between guide pin bushing 2-1 and upper bolster 2-2.
Operation principle
The present invention utilizes the plasticity stamping-out required form of metal and the part of size.Metal has shearing strength, after external pressure exceedes the shearing strength of material, and the punched disconnection of material.A kind of three sword formula bilaterals are sheared channel beam cutting die and are used on crank press, upper die component 2 is connected with the slide block of crank press by die shank 2-4, lower mold assemblies 1 is fixed by the workbench of die shoe 1-1 and crank press, upper die component 2 and lower mold assemblies 1 are assembled together by guide pin bushing 2-1 and guide pillar 1-2 horizontal location, guide pillar 1-2 and guide pin bushing 2-1 adopts matched in clearance, when the top shoe of crank press drives upper die component 2 to pump, guide pin bushing 2-1 can slide up and down outside guide pillar 1-2, ensure that the gap uniformity between down cut cutter 1-4 and upper shear knife 2-8 is constant.
After mould and equipment interconnection, adjustment die shut height, makes punch contain into die 1mm ~ 2mm, makes die shut height be in rational state.Before shearing channel-section steel, starting device makes upper die component 2 arrive top dead-centre together in company with equipment top shoe, channel-section steel to be cut is placed in the groove of the inner side of down cut cutter 1-4, the U-lag mouth of channel-section steel upward, starting device, equipment top shoe drives upper die component 2 descending, when close to bottom dead centre, in level on upper die component 2 below shear knife 2-8, the oblique shear blade 2-8-2 of shear blade 2-8-1 and both sides shears channel-section steel simultaneously, when equipment top shoe drives upper die component 2 close to BBC, channel-section steel is sheared disconnection.When equipment top shoe drives upper die component 2 to arrive after bottom dead center, equipment top shoe drives upper die component 2 to start upwards backhaul, until arrive top dead-centre, completes a working cycles.
Claims (8)
1. one kind three sword formula bilaterals shear channel beam cutting die, it is characterized in that: described a kind of three sword formula bilaterals are sheared channel beam cutting die and comprised lower mold assemblies (1) and upper die component (2), lower mold assemblies (1) comprises die shoe (1-1), two guide pillars (1-2), two down cut cuttves (1-4) and four down cut cutter hold-down screws (1-3), the lower surface of die shoe (1-1) and the following table of lathe affixed, the centre position of die shoe (1-1) upper surface is provided with rectangular boss (1-1-1), the upper surface of rectangular boss (1-1-1) is provided with rectangular channel (1-1-2), the left and right sides wall of rectangular channel (1-1-2) is respectively equipped with channel-section steel groove (1-1-3) along horizontal axis direction, the left and right sides of rectangular channel (1-1-2) inwall is connected with a down cut cutter (1-4) respectively, each down cut cutter (1-4) is fixed on the sidewall of rectangular channel (1-1-2) respectively by two down cut cutter hold-down screws (1-3), gap is left between two down cut cuttves (1-4), the upper surface Symmetrical vertical of die shoe (1-1) is connected with two guide pillars (1-2), upper die component (2) comprises upper bolster (2-2), die shank (2-4), backing plate (2-6), upper shear knife fixed head (2-7), upper shear knife (2-8), two guide pin bushings (2-1) and multiple upper shear knife hold-down screw (2-3), die shank (2-4) is fixed in the centre position of upper bolster (2-2) upper surface, the upper end of die shank (2-4) is connected with the slide block of lathe, the lower surface of upper bolster (2-2) is vertically fitted with two guide pin bushings (2-1), each guide pillar (1-2) is inserted in a guide pin bushing (2-1) respectively, vertically be slidably connected between each guide pillar (1-2) and guide pin bushing (2-1), upper shear knife fixed head (2-7) is fixed on the lower surface of upper bolster (2-2) by multiple upper shear knife hold-down screw (2-3), backing plate (2-6) is provided with between upper shear knife fixed head (2-7) and upper bolster (2-2), the centre position of upper shear knife fixed head (2-7) is provided with rectangle counterbore (2-7-1) and rectangular through holes (2-7-2) from top to bottom successively, upper shear knife (2-8) is inserted in rectangular through holes (2-7-2), the upper end of upper shear knife (2-8) is provided with rectangular flange (2-8-1), rectangular flange (2-8-1) is installed in rectangle counterbore (2-7-1), when three sword formula bilaterals shear channel beam cutting die matched moulds, the lower end of upper shear knife (2-8) extends in the gap between two down cut cuttves (1-4).
2. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 1, it is characterized in that: the left and right sides of described die shoe (1-1) is arranged with one group respectively and hangs mould screw (1-5).
3. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 1, it is characterized in that: the affixed mode of described upper bolster (2-2) and die shank (2-4) lower end, for being threaded, is in axial direction provided with holding screw (2-5) between upper bolster (2-2) and die shank (2-4).
4. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 1, it is characterized in that: the cross section of described each down cut cutter (1-4) is " recessed " font, each down cut cutter (1-4) comprises horizontal down cut sword (1-4-1) and two vertical shear blade (1-4-2), horizontal down cut sword (1-4-1) is the horizontal plane of down cut cutter (1-4) inner side, and vertical shear blade (1-4-2) is respectively two vertical planes of down cut cutter (1-4).
5. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 4, it is characterized in that: the length 0.8mm ~ 1.2mm larger than the bottom width waiting to shear channel-section steel of the horizontal down cut sword (1-4-1) of described each down cut cutter (1-4), the length 8mm ~ 12mm larger than the stile height waiting to shear channel-section steel respectively of two vertical shear blade (1-4-2) of each down cut cutter (1-4).
6. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 5, it is characterized in that: the length 1mm larger than the bottom width waiting to shear channel-section steel of the horizontal down cut sword (1-4-1) of described each down cut cutter (1-4), the length 10mm larger than the stile height waiting to shear channel-section steel respectively of two vertical shear blade (1-4-2) of each down cut cutter (1-4).
7. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 1, it is characterized in that: the longitudinal section of the lower end cutter head of described upper shear knife (2-8) is for falling isosceles trapezoid, upper shear knife (2-8) comprises shear blade in level (2-8-1) and two oblique shear blade (2-8-2), in level, shear blade (2-8-1) is the lower surface of the cutter head of upper shear knife (2-8), and oblique shear blade (2-8-2) is respectively two inclined-planes of the cutter head of shear knife (2-8).
8. a kind of three sword formula bilaterals shear channel beam cutting die according to claim 1, it is characterized in that: the fit system between described two guide pin bushings (2-1) and upper bolster (2-2) is respectively interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515322.4A CN105149413A (en) | 2015-08-21 | 2015-08-21 | Three-face-blade type double-sided shearing die for channel steel cutoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515322.4A CN105149413A (en) | 2015-08-21 | 2015-08-21 | Three-face-blade type double-sided shearing die for channel steel cutoff |
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| CN105149413A true CN105149413A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510515322.4A Pending CN105149413A (en) | 2015-08-21 | 2015-08-21 | Three-face-blade type double-sided shearing die for channel steel cutoff |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262588A (en) * | 2017-06-27 | 2017-10-20 | 昆山申凌精密金属工业有限公司 | A kind of square tube cuts tenon mould |
| WO2018041223A1 (en) * | 2016-08-31 | 2018-03-08 | 无锡市光彩机械制造有限公司 | Steel sheet gap-punching die |
| CN113306200A (en) * | 2021-06-11 | 2021-08-27 | 海宁诚达机械有限公司 | Base paper punching mechanism for cup undercut knife line action |
| CN113770230A (en) * | 2021-09-17 | 2021-12-10 | 安徽江淮汽车集团股份有限公司 | Tubular part crosscut mould |
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| CN204817653U (en) * | 2015-08-21 | 2015-12-02 | 哈尔滨建成集团有限公司 | Channel -section steel cutting -off die is cuted to two sides of trilateral sword formula |
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| JPS5244484A (en) * | 1975-10-06 | 1977-04-07 | Tokyo Electric Co Ltd | Press mould |
| CN201735669U (en) * | 2010-06-13 | 2011-02-09 | 四川广安鑫光电力铁塔有限公司 | Channel steel blanking cutting die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018041223A1 (en) * | 2016-08-31 | 2018-03-08 | 无锡市光彩机械制造有限公司 | Steel sheet gap-punching die |
| CN107262588A (en) * | 2017-06-27 | 2017-10-20 | 昆山申凌精密金属工业有限公司 | A kind of square tube cuts tenon mould |
| CN113306200A (en) * | 2021-06-11 | 2021-08-27 | 海宁诚达机械有限公司 | Base paper punching mechanism for cup undercut knife line action |
| CN113770230A (en) * | 2021-09-17 | 2021-12-10 | 安徽江淮汽车集团股份有限公司 | Tubular part crosscut mould |
| CN113770230B (en) * | 2021-09-17 | 2022-07-05 | 安徽江淮汽车集团股份有限公司 | Tubular part crosscut mould |
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| C06 | Publication | ||
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Application publication date: 20151216 |