CN106391827B - A kind of channel steel dedicated scissors angle mould and its processing method and application - Google Patents
A kind of channel steel dedicated scissors angle mould and its processing method and application Download PDFInfo
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- CN106391827B CN106391827B CN201611078256.XA CN201611078256A CN106391827B CN 106391827 B CN106391827 B CN 106391827B CN 201611078256 A CN201611078256 A CN 201611078256A CN 106391827 B CN106391827 B CN 106391827B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 128
- 239000010959 steel Substances 0.000 title claims abstract description 128
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims description 37
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 238000005242 forging Methods 0.000 claims description 3
- 238000002224 dissection Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 17
- 238000009966 trimming Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000002699 waste material Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 7
- 229910001651 emery Inorganic materials 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a kind of channel steel dedicated scissors angle mould and its processing method and applications, belong to shearing die technical field.Channel steel dedicated scissors angle mould of the invention, including moving knife and quiet knife, moving knife are fixedly linked with cope plate, quiet knife is fixedly linked with lower template, wherein is machined with grooving on the moving knife, the upper surface of grooving is machined with the first moving knife cutting edge, and the lower surface of moving knife is machined with the second moving knife cutting edge；The first die hole and the second die hole are machined on the quiet knife, the intersection of first die hole and the second die hole is respectively equipped with the first quiet edge and the second quiet edge, first quiet edge is matched with the first moving knife cutting edge, and the second quiet edge is matched with the second moving knife cutting edge.Shear angle is carried out to channel steel by using shear angle mould of the invention, can be effectively ensured the concentricity and dimensional accuracy of the opposite fluting in channel steel two sides, and the trimming of gained fluting it is smooth, without flash.
Description
Technical field
The invention belongs to technical field of mold, more specifically to a kind of channel steel dedicated scissors angle mould and its processing method
And application.
Background technique
Channel steel is the strip steel that section is in groove type, and channel steel category construction is used and mechanical structural carbon steel, is complicated break
The fashioned iron steel in face, section configuration are groove type, are mainly used for building structure, curtain wall engineering, mechanical equipment and vehicle manufacture
Deng.Channel steel is widely used, needs to process a row on channel steel two relative side (waist) under certain special occasions in actual production
Symmetrical vee gutter, so that fixation is supported to round tube, in order to be processed to round tube.
Existing channel steel cutting mode is mainly emery wheel cuts and lancing, i.e., successively to each side of channel steel two sides vee gutter
And each slot is cut respectively, since channel steel structure is more complex, is operated cumbersome when being cut using aforesaid way, is also needed
Channel steel is overturn, cutting efficiency is low, and it is time-consuming and laborious, and gained fluting is second-rate, is also easy to produce flash, notch is uneven
It is whole, it not can guarantee size and concentricity that triangle on channel steel two relative side is slotted especially, when two-phase cross-notching is to not just
Decentraction or size are there are when deviation, then will lead to fixed steel pipe run-off the straight or fixed unstable, easily shaking, to influence steel pipe
Processing quality.In addition, using emery wheel cuts and lancing there is also very big security risks, such as emery wheel cuts simultaneously may
Electric shock is caused, is carried and is injured by a crashing object, rotates and hurt sb.'s feelings, get angry and the dangerous points such as toxic smog, gas cutting then have explosion, weight to injure by a crashing object, get angry
And toxic smog dangerous point, and require operating personnel that must can operate after professional training obtains job qualification certificate, to security management and control
It is required that higher.
Therefore, how to overcome the above deficiency, guarantee the concentricity and dimensional accuracy of triangle fluting on channel steel two relative side,
Processing efficiency is improved for guaranteeing that the subsequent processing quality of round tube is most important.Through retrieving, about by using mold to channel steel
The patent report sheared is existing related open.Such as, the patent that Chinese Patent Application No. is 201610242480.1 discloses
A kind of channel steel cuts arc mold, including multiple groups guide post, upper die and lower die, what the guide post was matched by cylinder and with the cylinder
What column casing composition, cylinder and column casing were respectively perpendicular is welded in lower die and upper mold, and the upper mold includes upper mould fixed plate, in upper mold
The four corners of fixed plate are equipped with fixation hole, are welded with backing plate I in the lower end of upper mould fixed plate, the lower end of the backing plate I, which is welded with, cuts
Block is welded with multiple fixture blocks being inclined outwardly on the right side of stripping and slicing.The lower die includes lower mold fixed plate, in lower mold fixed plate
Upper end is welded with backing plate II, and the upper end of the backing plate II, which has been bolted, cuts mould and incision mould, the incision mould and above cuts
The right end of mould is respectively equipped with declining lug I and declining lug II, and II upper end of convex block is equipped with groove corresponding with stripping and slicing,
Multiple limited blocks are welded on the left of groove.This application cut arc to channel steel by using mold and cuts instead of existing plasma
It cuts, so as to improve processing efficiency, helps to save labour, but this application simultaneously can only cut channel steel single side
It cuts, then needs to turn in channel steel when needing to cut two-sided, operation is still cumbersome, and processing efficiency still needs further to be mentioned
It is high.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art by way of emery wheel cuts or lancing it is opposite to channel steel two
When triangular groove on side is cut, it is difficult to guarantee the concentricity and dimensional accuracy of the opposite fluting in two sides, so as to cause support
Steel pipe run-off the straight, and gained fluting is second-rate, is also easy to produce the deficiency of flash, provide a kind of channel steel dedicated scissors angle mould and
Its processing method and application.Shear angle is carried out to channel steel by using shear angle mould of the invention, channel steel two sides phase can be effectively ensured
The concentricity and dimensional accuracy of cross-notching, and gained fluting trimming it is smooth, without flash.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
First, a kind of channel steel dedicated scissors angle mould of the invention, including moving knife and quiet knife, moving knife are fixedly linked with cope plate,
Quiet knife is fixedly linked with lower template, wherein grooving is machined on the moving knife, the upper surface of grooving is machined with the first moving knife sword
Mouthful, the lower surface of moving knife is machined with the second moving knife cutting edge；The first die hole and the second die hole, the first die hole are machined on the quiet knife
The first quiet edge and the second quiet edge, the first quiet edge and the first moving knife sword are respectively equipped with the intersection of the second die hole
Mouth matches, and the second quiet edge is matched with the second moving knife cutting edge.
Further, first die hole runs through quiet knife along the vertical direction, and shape, size match with moving knife,
Moving knife can be moved up and down along the first die hole；Second die hole runs through quiet knife, shape, size and slot to be processed in the horizontal direction
Steel matches, and workpiece to be processed can be moved horizontally along the second die hole.
Further, second die hole includes first section, positioning section and second section, is resetted when moving knife is in
When state, the height at the top of grooving is higher than the top of first section, and the height of grooving bottom is lower than the bottom of first section；Moving knife
The height of bottom is higher than the top of second section, and at the top of the first moving knife cutting edge and first section between vertical distance be equal to the
Vertical distance between at the top of two moving knife cutting edges and second section.
Further, the moving knife includes cut section and guide section, wherein the cross-sectional shape and size of cut section
Match with shape to be slotted on channel steel, size, and the sharp corner of cut section is equipped with the first flat segments, guide section is separate to be cut
One end of dissection is equipped with the second flat segments, the width d of guide section1For channel steel thickness d to be cut02-2.5 times；
Further, the first die hole of the quiet knife is equipped with the third flat segments to match with the first flat segments, third
Plane is overlapped with plane where the positioning section inner sidewall of the second die hole where flat segments, and first section bottom and second
Arc transition is processed as between section top and positioning section inner sidewall；The width of the third flat segments is 3-5mm, and first is straight
The width of section is less than the width of third flat segments, difference 0.2-0.3mm.
Further, the two sides of the quiet knife are symmetrically arranged with elastic supporting mechanism, pass through elasticity branch when moving knife resets
Support mechanism is supported positioning to cope plate；The first slug hole being connected with the first die hole is machined in the lower template.
Second, a kind of processing method of channel steel dedicated scissors angle mould of the invention, the quiet knife processing technology are as follows: bar forging
It beats: molding being forged using Cr12MoV bar, obtains quiet cutter blank material；Using six face of milling machine turned blank and punching of crossing；It quenches
Fire processing；Fine grinding, wire cutting cutter groove, it is after processing is completed etc. to be assembled；
The moving knife processing technology are as follows: bar forges: molding is forged using Cr12MoV bar, obtains moving knife blank；Using
Six face of milling machine turned blank and punching of crossing；It is quenched；Fine grinding, wire cutting angle and cutter groove；Etc. to be assembled.
Further, the quiet knife and moving knife are all made of Cr12MoV material, and the hardness after quiet knife and moving knife heat treatment
HRC=56-58.
Third, a kind of application of channel steel dedicated scissors angle mould of the invention, is installed on liquid for the channel steel dedicated scissors angle mould
On press, wherein lower template is installed on hydraulic press lower table, and cope plate is connected by pressure cushion block with upper table, is led to
It crosses hydraulic system driving upper table to move up and down, and then moving knife is driven to move up and down, the shear history of channel steel is realized, in use
State the detailed process that hydraulic press carries out shear angle to channel steel are as follows:
Step 1: controlling moving knife by hydraulic system and elastic supporting mechanism is in reset state, moving knife enters quiet at this time
Cope plate is supported in first die hole of knife and by elastic supporting mechanism；
Step 2: channel steel to be processed is made to pass through the second die hole, and controls position to be sheared and be located in the first die hole；
Step 3: driving moving knife to move downward by hydraulic system, to realize the synchronous shear of channel steel two sides fluting；
Step 4: moving knife is controlled by hydraulic system and elastic supporting mechanism and is resetted after the completion of above-mentioned shear angle, it will be to be processed
Channel steel is continued to move to along the second die hole, is adjusted to next shear angle position, repeats step 1 to three, until completing all positions on channel steel
The shear angle set.
Further, it is machined with the second slug hole being connected with the first slug hole on the lower table, passes through
One slug hole and the second slug hole will shear waste material discharge.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result:
(1) a kind of channel steel dedicated scissors angle mould of the invention, including moving knife and quiet knife are machined with grooving on moving knife, grooving
Upper surface is machined with the first moving knife cutting edge, and the lower surface of moving knife is machined with the second moving knife cutting edge；First is machined on the quiet knife
The intersection of die hole and the second die hole, the first die hole and the second die hole is respectively equipped with the first quiet edge and the second quiet edge,
It can use cooperation and the second quiet edge of the first quiet edge and the first moving knife cutting edge by the design of above-mentioned shear angle mould
It is sheared respectively with the opposite fluting on the cooperation two sides to be sheared to channel steel of the second moving knife cutting edge, thereby may be ensured that slot
The concentricity and dimensional accuracy of the symmetrical grooving in steel two sides, run-off the straight when round tube being prevented to be supported by channel steel fluting, shadow
Ring round tube processing quality.Meanwhile channel steel fluting is cut and can significantly improve cutting efficiency using shear angle mould of the invention
And kerf quality, flash, notch out-of-flatness, operation fiber crops are also easy to produce when effectively overcoming using existing emery wheel cuts and lancing
Problem tired, that cutting efficiency is low and channel steel two sides are relatively poor with respect to the concentricity and dimensional accuracy of fluting.
(2) a kind of channel steel dedicated scissors angle mould of the invention is convenient for being put into for channel steel by the processing and design of the second die hole
And positioning, channel steel is sheared consequently facilitating moving knife enters the first die hole, since channel steel can carry out level along the second die hole
It is mobile, so as to significantly improve shear efficiency convenient for cutting to the fluting at different location on channel steel.At moving knife
When reset state, the vertical distance between the first moving knife cutting edge and first section top is equal to the second moving knife cutting edge and second
Vertical distance between section top, therefore moving knife need to only be moved down to relatively short distance two-phase cross-notching on channel steel can be carried out
Synchronous cutting to further ensure the concentricity and dimensional accuracy of two-phase cross-notching, while can be effectively prevented and shear
Channel steel occurs bending and deformation in journey, impacts to the concentricity of two sides fluting.
(3) a kind of channel steel dedicated scissors angle mould of the invention, the moving knife include cut section and guide section, the wedge angle of cut section
Place is equipped with the first flat segments, concentrates so as to reduce the stress of moving knife sharp corner in shear history, prevents sharp corner from occurring disconnected
It splits, extends blade service life.The moving knife guide section is equipped with the second flat segments far from one end of cut section, so as to pass through
Guide section to moving knife enter the first die hole when be oriented to, position it is more accurate, and can further prevent in shear history by
It shakes in moving knife and influences shearing quality.The width d of above-mentioned guide section1For channel steel thickness d to be cut02-2.5 times, thus
The intensity that moving knife can be effectively increased prevents that fracture and deformation occur in shear history, helps to extend moving knife service life.
(4) a kind of channel steel dedicated scissors angle mould of the invention is concentrated to reduce the stress that quiet knife is subject in shear history, is protected
Demonstrate,prove the service life of quiet knife, at the top of first section bottom of quiet second die hole of knife and second section with positioning section inner sidewall it
Between be processed as arc transition.Quiet the first die hole of knife is equipped with the third flat segments to match with the first flat segments of moving knife, the present invention
It is 3-5mm by the width design of third flat segments, the width of the first flat segments is less than the width of third flat segments, and difference is
0.2-0.3mm to not only can guarantee the smooth shearing of channel steel groove at side surface bottom in first section, but also can guarantee notch matter
Amount, prevents flash.
(5) a kind of channel steel dedicated scissors angle mould of the invention, the two sides of the quiet knife are symmetrically arranged with elastic supporting mechanism, thus
Moving knife can be made to be supported positioning to cope plate by elastic supporting mechanism when resetting, prevent moving knife from falling down；The lower die
The first slug hole being connected with the first die hole is machined on plate, the waste material so as to generate shearing is directly arranged by slug hole
Out.
(6) processing method of a kind of channel steel dedicated scissors angle mould of the invention, by selecting Cr12MoV as moving knife and quiet knife
Material, and heat treatment process is optimized, so as to which the strength and toughness of cutter is effectively ensured, prevent shear history
It deforms or is broken, the service life of mold has been effectively ensured.
(7) application of a kind of channel steel dedicated scissors angle mould of the invention, by the way that shear angle mould of the invention is installed on hydraulic press
On the fluting on channel steel two relative side is cut, so as to significantly improve processing efficiency, and guarantee opposite fluting
Concentricity and cut quality can satisfy requirement.
Detailed description of the invention
Fig. 1 is a kind of use state diagram of channel steel dedicated scissors angle mould of the invention；
Fig. 2 is the side view of shear angle mould in Fig. 1；
Fig. 3 is the top view of shear angle mould in Fig. 1；
Fig. 4 is the schematic top plan view of lower template of the invention；
Fig. 5 is the schematic cross-sectional view in the lower template of the invention direction A-A along Fig. 4；
Fig. 6 is the schematic front view of quiet knife of the invention；
Fig. 7 is the structural schematic diagram of the second die hole on quiet knife；
Fig. 8 is the schematic top plan view of quiet knife of the invention；
Fig. 9 is the schematic front view of moving knife of the invention；
Figure 10 is the schematic top plan view of moving knife of the invention.
Label declaration in schematic diagram:
1, pressure cushion block；2, cope plate；3, moving knife；301, grooving；302, the first moving knife cutting edge；303, the second moving knife sword
Mouthful；304, cut section；305, guide section；306, the first flat segments；307, the second flat segments；4, quiet knife；401, the first die hole；
4011, third flat segments；4012, the 4th flat segments；402, the second die hole；4021, first section；4022, positioning section；4023,
Second section；403, the first quiet edge；404, the second quiet edge；5, lower template；501, the first slug hole；502, spiral shell is positioned
Hole；6, lower table；601, the second slug hole；7, spring washer；8, spring；9, pin.
Specific embodiment
To further appreciate that the contents of the present invention, now in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
In conjunction with attached drawing, a kind of channel steel dedicated scissors angle mould of the present embodiment, including moving knife 3 and quiet knife 4, moving knife 3 and cope plate 2
It is fixedly linked, quiet knife 4 is fixedly linked with lower template 5, wherein grooving 301, the upper surface of grooving 301 are machined on the moving knife 3
It is machined with the first moving knife cutting edge 302, the lower surface of moving knife 3 is machined with the second moving knife cutting edge 303；Is machined on the quiet knife 4
The intersection of one die hole 401 and the second die hole 402, the first die hole 401 and the second die hole 402 is respectively equipped with the first quiet edge
403 and the second quiet edge 404, the first quiet edge 403 matched with the first moving knife cutting edge 302, the second quiet edge 404 with
Second moving knife cutting edge 303 matches.It can use the first quiet edge 403 and the first moving knife sword by the design of above-mentioned shear angle mould
The cooperation of mouth 302 and the second quiet edge 404 and the phase on the cooperation two sides to be sheared to channel steel of the second moving knife cutting edge 303
Cross-notching is sheared respectively, be thereby may be ensured that the concentricity and dimensional accuracy of the symmetrical grooving in channel steel two sides, is prevented round tube
Run-off the straight when being supported by channel steel fluting, influences round tube processing quality.Meanwhile using the shear angle mould of the present embodiment to slot
Steel fluting, which carries out cutting, can significantly improve cutting efficiency and kerf quality, effectively overcome using existing emery wheel cuts and autogenous cutting
Flash, notch out-of-flatness are also easy to produce when cutting, troublesome in poeration, cutting efficiency is low and channel steel two sides are with respect to the concentricity and ruler slotted
The relatively poor problem of very little precision.
Embodiment 2
As shown in Figure 1-Figure 3, a kind of channel steel dedicated scissors angle mould of the present embodiment, including moving knife 3 and quiet knife 4, moving knife 3 pass through
Bolt is fixedly linked with cope plate 2, and quiet knife 4 is fixedly linked by bolt with lower template 5, wherein such as Fig. 2, such as Fig. 9, Tu10Suo
Showing, grooving 301 (in triangular prism structure) is machined on moving knife 3, and the height of the grooving 301 is greater than the thickness of channel steel to be processed,
The depth depth to be slotted with channel steel matches；The upper surface of grooving 301 is machined with the first moving knife cutting edge 302, the following table of moving knife 3
Face is machined with the second moving knife cutting edge 303.As Figure 6-Figure 8, the first die hole 401 and the second die hole are machined on the quiet knife 4
402, the first die hole 401 runs through quiet knife 4 along the vertical direction, and shape, size match with moving knife 3, and moving knife 3 can be along the first mould
Hole 401 moves up and down.Second die hole 402 runs through quiet knife 4 in the horizontal direction, and shape, size and channel steel to be processed match, and leads to
The processing and design being put into and positioning convenient for channel steel for crossing the second die hole 402, consequently facilitating moving knife 3 enters on the first die hole 401
Channel steel is sheared in lower movement.The intersection of first die hole 401 and the second die hole 402 is respectively equipped with the first quiet edge 403
With the second quiet edge 404, as shown in Fig. 2, the first quiet edge 403 is matched with the first moving knife cutting edge 302 on the upside of channel steel
Face is sheared, and the second quiet edge 404 is matched with the second moving knife cutting edge 303 shears channel steel downside.By upper
The design for stating shear angle mould can use cooperation and the second quiet edge of the first quiet edge 403 and the first moving knife cutting edge 302
404 shear respectively with the opposite fluting on the cooperation two sides to be sheared to channel steel of the second moving knife cutting edge 303.Due to be added
Work workpiece can be moved horizontally along the second die hole 402, when needing to cut the fluting on channel steel at different location, be processed
Channel steel need to only be moved after slotting at one along the second die hole 402, next place is made to wait for that shear angle position is in the first die hole 401
, overcome needs position to machined part substantially to be transferred or overturn not when processing different location in the prior art
Foot, significantly improves shear efficiency, and easy to operate.
As shown in Fig. 2, Fig. 7, second die hole 402 of the present embodiment includes first section 4021, positioning section 4022 and second
Branch section 4023, when moving knife 3 is in reset state, the height at 301 top of grooving is higher than the top of first section 4021, grooving
The height of 301 bottoms is lower than the bottom of first section 4021, and the height of 3 bottom of moving knife is higher than the top of second section 4023, from
And it is cut convenient for channel steel is packed into the second die hole 402.First moving knife cutting edge 302 and first section under 3 reset state of moving knife
Vertical distance between 4021 tops is equal to the vertical distance between the second moving knife cutting edge 303 and second 4023 top of section, because
Moving knife 3 need to be moved down relatively short distance by this to synchronize cutting to two-phase cross-notching on channel steel, to further protect
The concentricity and dimensional accuracy of two-phase cross-notching have been demonstrate,proved, while channel steel in shear history can be effectively prevented and occur bending and deformation,
The concentricity of two sides fluting is impacted.
It, usually will wherein one side in the prior art when being processed using stamping technology to workpiece two relative side
Punch process is carried out, punch process is carried out to another side again after workpiece is then carried out overturning adjustment position, is operated number
Tired, processing efficiency is low, and is difficult to ensure the concentricity and dimensional accuracy of two sides processing.Also having in the prior art keeps formed punch successively right
Workpiece two sides carry out punching press, though formed punch, which moves down, once can be completed processing, but using this technology formed punch be displaced compared with
Greatly, because stress easily deforms or is broken in punching course, and the waste material that first side punching press generates can fall with formed punch, with
Formed punch be squeezed into the processing hole in second side together and be also easy to produce flash to influence kerf quality.In addition, when using
When above two mode carries out shear angle processing to channel steel two relative side, serious deformation easily occurs for channel steel, especially to first
Channel steel deformation is serious after lateral shear, to influence the processing of second side fluting, it is difficult to guarantee fluting precision and concentricity.Cause
This, how to avoid channel steel to deform on the basis of improving processing efficiency is to guarantee that the shear angle quality of channel steel most needs to solve with precision
Certainly the problem of.The present invention shears the fluting on channel steel two relative side by using two different cutting edges respectively, is not necessarily to
It is sheared again after workpiece is overturn, 3 need of moving knife move down the synchronous shear that relatively short distance achieves that two-phase cross-notching
It cuts, influence of the waste from stacking to lower surface shear angle when also avoiding successively being sheared, ensure that shearing quality, no flash are cut
Mouth is smooth；Channel steel easily deforms when effectively can also avoid the problem that successively shearing simultaneously, to be further ensured that shearing matter
Amount and precision, it is ensured that the concentricity of two flutings is met the requirements with dimensional accuracy, and then ensure that the processing quality of support pipe.
As shown in Figure 9, Figure 10, the moving knife 3 of the present embodiment includes cut section 304 and guide section 305, wherein cut section 304
Cross-sectional shape and size match with shape to be slotted on channel steel, size, for being sheared to channel steel side, grooving
301 be processing in cut section 304, and depth is of same size with cut section 304.The sharp corner of above-mentioned cut section 304 is equipped with
First flat segments 306 are concentrated so as to reduce the stress of 3 sharp corner of moving knife in shear history, sharp corner are prevented to be broken,
Extend blade service life.The guide section 305 is equipped with the second flat segments 307 far from one end of cut section 304, so as to logical
It crosses when guide section 305 enters the first die hole 401 to moving knife 3 and is oriented to, it is more accurate to position, and can further prevent shearing
Shearing quality is influenced since moving knife 3 shakes in the process, the width d of above-mentioned guide section 3051Can according to practical conditions plus
Work is channel steel thickness d to be cut02-2.5 times, so as to effectively increase the intensity of moving knife 3, prevent from occurring in shear history disconnected
It splits and deforms, help to extend moving knife service life.
First 4021 bottom of section of second die hole 402 and second 4023 top of section and 4022 inner sidewall of positioning section
Between and the top of grooving 301 and 301 bottom of grooving and its inner sidewall between be processed as arc transition, so as to reduce
The stress that cutter is subject in shear history is concentrated, and guarantees cutting-tool's used life.Due to the shape of the first die hole 401 of quiet knife 4,
Size matches with moving knife 3, and the first die hole 401 is equipped with the to match respectively with the first flat segments 306, the second flat segments 307
In the positioning section 4022 of three flat segments 4011, the 4th flat segments 4012,4011 place plane of third flat segments and the second die hole 402
Plane where side wall is overlapped, and the width of the third flat segments 4011 is 3-5mm, and the width of the first flat segments 306 is less than the
The width of three flat segments 4011, difference 0.2-0.3mm.Due to 4022 inside of 4021 bottom of above-mentioned first section and positioning section
It is processed as arc transition between wall, processes cutting edge in the circular arc inconvenience, therefore first in 301 upper surface of moving knife grooving is straight
Section (sharp corner) does not process moving knife cutting edge, can only be merely by mechanical tensile force to channel steel groove at side surface in first section 4021
It is cut bottom.In order to guarantee the service life of quiet knife 4, its stress concentration is effectively reduced, by the width of third flat segments 4011
Degree is designed as 3-5mm, and the width of first flat segments 306 is then simultaneously by the width and moving knife of third flat segments 4011 on moving knife 3
The influence of stress concentration status, inventor analyzes according to practical experience and by many experiments, to the first flat segments 306 and third
The width of flat segments 4011 optimizes, to both can guarantee the smooth of channel steel groove at side surface bottom in first section 4021
Shearing, and guarantee kerf quality, prevent flash, while the stress that can significantly reduce moving knife 3 and quiet knife 4 again is concentrated, and is extended
Cutter life effectively prevents when the length of the first flat segments 306 is excessive, and mechanical force is difficult to reach cutting force degree, leads
Cause can not normally be cut；And when the length of the first flat segments 306 is too small moving knife 3 with quiet 4 stress concentration status of knife is serious asks
Topic.Shearing, and channel steel groove at side surface in first section 4021 are synchronized by the fluting in this present embodiment to channel steel two sides
The mechanical tensile force that bottom relies primarily on the first flat segments 306 is sheared, and required shearing force is larger, moving knife 3 in shear history
And channel steel easily shakes, and by the 4011 place planar design of third flat segments is positioning with the second die hole 402 in the present embodiment
Plane where 4022 inner sidewalls of section is overlapped, and thereby may be ensured that moving knife side wall is closely pasted with channel steel side wall always in shear history
It closes, further ensures the position stability of moving knife 3 Yu channel steel.
As shown in Fig. 2, the two sides of quiet knife 4 are symmetrically arranged with elastic supporting mechanism in the present embodiment, so as to so that moving knife 3 is multiple
Positioning is supported to cope plate 2 by elastic supporting mechanism when position, prevents moving knife 3 from falling down.The resilient support of the present embodiment
Mechanism includes spring washer 7 and spring 8, wherein the bottom of the spring washer 7 is fixed by bolts in lower template 5, the top of spring washer 7
It is fixed with spring 8 by pin 9, the both ends free support of cope plate 2 is on spring 8 when moving knife 3 resets.As shown in Figure 1, Figure 2, Fig. 4,
Shown in Fig. 5, the four corners of the lower template 5 process a U-type groove respectively, by the bolt in U-type groove by itself and lower table 6
Be fixedly linked, and be machined with respectively on lower template 5 and lower table 6 the first slug hole 501 being connected with the first die hole 401,
Second slug hole 601, the waste material so as to generate shearing are directly discharged by slug hole.The four of first slug hole 501
Positioning screw hole 502 is symmetrily processed with week, consequently facilitating the fixed installation of quiet knife 4.
Embodiment 3
The structure of the channel steel dedicated scissors angle mould of the present embodiment is the same as embodiment 2, in which:
The processing technology of lower template are as follows: oxygen-acetylene cutting；Four sides are processed using milling machine；It is upper and lower flat using surface grinding machine processing
Face；Mill U-shaped mounting groove and the first slug hole 501；Positioning screw hole 502 is bored using drilling machine, is placed in finished product area etc. after processing is completed
It is to be assembled.
The processing technology of cope plate are as follows: oxygen-acetylene cutting；Four sides are processed using milling machine；It is upper and lower flat using surface grinding machine processing
Face；Drilling machine drilling, it is to be assembled to be placed in finished product area etc. after processing is completed.
Quiet knife processing technology are as follows: bar forges: forging molding using Cr12MoV bar, obtains quiet cutter blank material；Using milling machine
Six face of turned blank and punching of crossing, specifically, in the second die hole 402 after bolt hole (each one of four corners) are processed in place
A cutter groove hole first is made a call in advance respectively in corresponding contour, silk is worn to facilitate (since cutter groove is mold key element, and processing method is
The wire cutting special process after heat treatment needs drill two holes in order to wear molybdenum filament, and hole should not be too large, and conveniently wear silk)；Into
Row quenching treatment, hardness HRC=56-58 after quenching；Fine grinding, wire cutting cutter groove, it is after processing is completed etc. to be assembled；
Moving knife processing technology are as follows: bar forges: molding is forged using Cr12MoV bar, obtains moving knife blank；Using milling machine
Six face of turned blank and punching of crossing (in place by bolt hole (3) processing)；It is quenched (temperature, time, cooling rate
Equal technological parameters, hardness HRC=56-58)；Fine grinding, wire cutting angle and cutter groove；Etc. to be assembled.
The quiet knife 4 and moving knife 3 of the present embodiment are all made of Cr12MoV material, and the hardness after quiet knife 4 and the heat treatment of moving knife 3
HRC=56-58.Shear angle mould is processed by using the processing method of the present embodiment, so as to which cutter is effectively ensured
Strength and toughness prevents shear history from deforming or being broken, and the service life of mold has been effectively ensured.
Embodiment 4
The structure of the channel steel dedicated scissors angle mould of the present embodiment is the same as embodiment 2, application method are as follows: by channel steel dedicated scissors angle mould
It is installed on hydraulic press, wherein it is installed on hydraulic press lower table 6 by the bolt in U-lag in lower template 5, on
Template 2 is connected by pressure cushion block 1 with upper table, drives upper table to move up and down by hydraulic system, and then is driven dynamic
Knife 3 moves up and down, and realizes the shear history of channel steel, carries out the detailed process of shear angle to channel steel using above-mentioned hydraulic press are as follows:
Step 1: controlling moving knife 3 by hydraulic system and elastic supporting mechanism is in reset state, moving knife 3 enters at this time
Cope plate 2 is supported in first die hole 401 of quiet knife 4 and by elastic supporting mechanism；
Step 2: channel steel to be processed is made to pass through the second die hole 402, and controls position to be sheared and be located in the first die hole 401；
Step 3: driving moving knife 3 to move downward by hydraulic system, to realize the synchronous shear of channel steel two sides fluting
It cuts；
Step 4: moving knife 3 is controlled by hydraulic system and elastic supporting mechanism and is resetted after the completion of above-mentioned shear angle, it will be to be added
Work channel steel is continued to move to along the second die hole 402, is adjusted to next shear angle position, repeats step 1 to three, until completing on channel steel
The shear angle of all positions.
The second slug hole 601 being connected with the first slug hole 501 is machined on the lower table 6, it is useless by first
Expect that hole 501 and the second slug hole 601 will shearing waste material discharges.Wherein, the shearing of channel steel side is useless in second section 4023
Material falls into a flash the first slug hole 501 what is be cut up, falls into waste material across the second slug hole 601 and concentrates in box, under realization
The discharge of square waste material.And the shearing waste material for being located at channel steel side in first section 4021 can fall in moving knife grooving 301 after being cut up
In, after equipment sliding block backhaul, while the also return under spring force of moving knife 3, after 3 return of moving knife, moving knife grooving 301 and
Two die holes 402 communicate, and channel steel can move in the second die hole 402, and the channel steel that top waste material has been sheared at the same time is taken out of,
And then realize the discharge of top waste material, it can effectively avoid the waste material that lateral shear generates above channel steel from falling into lower section under channel steel
The shearing of square side impacts, to help to be further ensured that cut quality.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. a kind of channel steel dedicated scissors angle mould, it is characterised in that: including moving knife (3) and quiet knife (4), moving knife (3) and cope plate (2) are solid
Fixed to be connected, quiet knife (4) is fixedly linked with lower template (5), wherein is machined with grooving (301) on the moving knife (3), grooving (301)
Upper surface be machined with the first moving knife cutting edge (302), the lower surface of moving knife (3) is machined with the second moving knife cutting edge (303)；It is described quiet
The first die hole (401) and the second die hole (402) are machined on knife (4), the first die hole (401) crosses with the second die hole (402)
Place is respectively equipped with the first quiet edge (403) and the second quiet edge (404), the first quiet edge (403) and the first moving knife sword
Mouth (302) matches, and the second quiet edge (404) matches with the second moving knife cutting edge (303)；
The moving knife (3) includes cut section (304) and guide section (305), wherein the cross-sectional shape of cut section (304) and
Size matches with shape to be slotted on channel steel, size, and the sharp corner of cut section (304) is equipped with the first flat segments (306),
The first die hole (401) of the quiet knife (4) is equipped with the third flat segments (4011) to match with the first flat segments (306), described
The second die hole (402) include first section (4021), positioning section (4022) and second section (4023), third flat segments
(4011) plane is overlapped with plane where positioning section (4022) inner sidewall of the second die hole (402) where, and first section
(4021) it is processed as arc transition at the top of bottom and second section (4023) between positioning section (4022) inner sidewall, described the
The width of three flat segments (4011) is 3-5mm, and the width of the first flat segments (306) is less than the width of third flat segments (4011),
Its difference is 0.2-0.3mm.
2. a kind of channel steel dedicated scissors angle mould according to claim 1, it is characterised in that: first die hole (401) is along perpendicular
Histogram is to quiet knife (4) are run through, and shape, size match with moving knife (3), and moving knife (3) can move down on the first die hole (401)
It is dynamic；Second die hole (402) runs through quiet knife (4) in the horizontal direction, and shape, size and channel steel to be processed match, to be added
Work workpiece can be moved horizontally along the second die hole (402).
3. a kind of channel steel dedicated scissors angle mould according to claim 1 or 2, it is characterised in that: reset shape when moving knife (3) are in
When state, the vertical distance between the first moving knife cutting edge (302) and first section (4021) top is equal to the second moving knife cutting edge (303)
With the vertical distance between second section (4023) top.
4. a kind of channel steel dedicated scissors angle mould according to claim 3, it is characterised in that: the guide section (305) is separate to cut
One end of dissection (304) is equipped with the second flat segments (307), the width d of guide section (305)1For channel steel thickness d to be cut02-2.5
Times.
5. a kind of channel steel dedicated scissors angle mould according to claim 4, it is characterised in that: the two sides of the quiet knife (4) are symmetrical
Equipped with elastic supporting mechanism, positioning is supported to cope plate (2) by elastic supporting mechanism when moving knife (3) reset；It is described
The first slug hole (501) being connected with the first die hole (401) is machined in lower template (5).
6. the processing method of channel steel dedicated scissors angle mould according to any one of claims 1-5, it is characterised in that:
The quiet knife processing technology are as follows: bar forges: forging molding using Cr12MoV bar, obtains quiet cutter blank material；Using milling machine
Six face of turned blank and punching of crossing；It is quenched；Fine grinding, wire cutting cutter groove, it is after processing is completed etc. to be assembled；
The moving knife processing technology are as follows: bar forges: molding is forged using Cr12MoV bar, obtains moving knife blank；Using milling machine
Six face of turned blank and punching of crossing；It is quenched；Fine grinding, wire cutting angle and cutter groove；Etc. to be assembled.
7. the processing method of channel steel dedicated scissors angle mould according to claim 6, it is characterised in that: the quiet knife (4) and dynamic
Knife (3) is all made of Cr12MoV material, and quiet knife (4) and moving knife (3) quenched hardness HRC=56-58.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078256.XA CN106391827B (en) | 2016-11-30 | 2016-11-30 | A kind of channel steel dedicated scissors angle mould and its processing method and application |
| CN201811257583.0A CN109013834B (en) | 2016-11-30 | 2016-11-30 | Application of special angle shearing die for channel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078256.XA CN106391827B (en) | 2016-11-30 | 2016-11-30 | A kind of channel steel dedicated scissors angle mould and its processing method and application |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257583.0A Division CN109013834B (en) | 2016-11-30 | 2016-11-30 | Application of special angle shearing die for channel steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106391827A CN106391827A (en) | 2017-02-15 |
| CN106391827B true CN106391827B (en) | 2019-01-11 |
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|---|---|---|---|
| CN201611078256.XA Expired - Fee Related CN106391827B (en) | 2016-11-30 | 2016-11-30 | A kind of channel steel dedicated scissors angle mould and its processing method and application |
| CN201811257583.0A Expired - Fee Related CN109013834B (en) | 2016-11-30 | 2016-11-30 | Application of special angle shearing die for channel steel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811257583.0A Expired - Fee Related CN109013834B (en) | 2016-11-30 | 2016-11-30 | Application of special angle shearing die for channel steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111570616B (en) * | 2020-05-28 | 2022-02-18 | 深圳市军志丰精密科技有限公司 | Shaped steel stamping forming equipment |
| CN114043282B (en) * | 2021-12-20 | 2022-12-02 | 重庆三峡学院 | Intelligent automatic aluminum groove machining clamping device based on Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2780378Y (en) * | 2005-02-28 | 2006-05-17 | 保定宝硕门窗发展有限公司 | Steel lining notch punching mould for plastic door window |
| EP2662160A4 (en) * | 2011-01-07 | 2017-01-25 | Murata Machinery, Ltd. | Punch die of a punch press, die for deepening cutting, and method of forming long holes in a plate |
| CN204429952U (en) * | 2015-02-15 | 2015-07-01 | 锦州美联桥汽车部件有限公司 | The gap diel of thin-wall circular tube end |
| CN205629052U (en) * | 2016-03-31 | 2016-10-12 | 大冶明宇科技有限公司 | Aluminium alloy twolip edge sealing cutting die utensil |
| CN205702023U (en) * | 2016-04-19 | 2016-11-23 | 山东鲁能泰山铁塔有限公司 | Arc mould cut by a kind of channel-section steel |
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2016
- 2016-11-30 CN CN201611078256.XA patent/CN106391827B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109013834B (en) | 2020-04-14 |
| CN109013834A (en) | 2018-12-18 |
| CN106391827A (en) | 2017-02-15 |
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