CN110280665A - A kind of no film punching press cutter knife shell mold tool - Google Patents
A kind of no film punching press cutter knife shell mold tool Download PDFInfo
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- CN110280665A CN110280665A CN201910656837.4A CN201910656837A CN110280665A CN 110280665 A CN110280665 A CN 110280665A CN 201910656837 A CN201910656837 A CN 201910656837A CN 110280665 A CN110280665 A CN 110280665A
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- core pulling
- die
- bending
- material strip
- blanking
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- 238000004080 punching Methods 0.000 title claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 170
- 238000005452 bending Methods 0.000 claims abstract description 123
- 238000007493 shaping process Methods 0.000 claims abstract description 53
- 239000002699 waste material Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 50
- 238000005520 cutting process Methods 0.000 claims description 26
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 230000004807 localization Effects 0.000 claims description 16
- 208000002925 dental caries Diseases 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 239000012939 laminating adhesive Substances 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 6
- 239000011797 cavity material Substances 0.000 description 39
- 238000004519 manufacturing process Methods 0.000 description 24
- 208000028659 discharge Diseases 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of no film punching press cutter knife shell molds to have, more particularly to cutter stamping die field, including cope plate and lower template, the lower template is set to cope plate bottom, hydraulic cylinder is fixedly connected at the top of the cope plate, blanking die cavity is from left to right successively arranged at the top of the lower template, stretch lower die, bending lower die, No.1 shaping lower die, No.1 core pulling bending lower die, No. two core pulling bending lower dies, No. two shaping lower dies, finished product blanking die cavity and slug die chamber, the cope plate bottom is from left to right successively arranged blanking punching pin, stretch upper mold, bending upper die, No.1 shaping upper mold, No.1 core pulling bending upper die, No. two core pulling bending upper dies, No. two shaping upper molds, finished product cuts off punching pin and waste material cuts off punching pin.The present invention is cooperated using blanking punching pin and blanking die cavity, and knife shell back can be made to do the state of half bending semi-drawing, and using the relatively thin position of the edge of a knife is not in more material gauffers, and does not also need to protect pressing sheet material laminating adhesive.
Description
Technical field
The present invention relates to cutter stamping die technologies, it is more particularly related to a kind of no film punching press beauty
Work knife knife shell mold tool.
Background technique
At present for the processing of cutter, existing production technology has following several:
Single-stroke mould production: each stamping procedure makees a set of individual mold, and punching press repeatedly can just obtain a finished product；
Continuous mould production: each stamping procedure accomplishes in one set of die that every punching press is once with regard to one finished product of output.
And cutter is composed after being produced by multiple material and technique, and wherein knife shell or iron bushing are cutter main body
Pith, the material for makeing knife shell or iron bushing now, which is mainly selected, the materials such as stainless steel, precoating plate, galvanized sheet, cold rolled plate
Material, general punching press skill and mold will appear following problem in production:
1, because knife shell needs built-in knife to push away, the position for needing to slide is pushed away in knife, thickness generally all accomplishes 4-5mm, but the edge of a knife out
Interior empty thickness it is generally 0.1mm thicker than blade (0.5-0.8mm), due to that need to meet this two conditions simultaneously, knife shell is generally in head
Do that gradient excessively arrives out the edge of a knife and excessive length is between 10-20mm outside portion, since excessive length is inadequate, the change of thickness
Change amplitude is big, and general Sheet Metal Forming Technology is easy to appear gauffer；
2, the interior sky for going out the edge of a knife is excessive, does not have positioning action to blade；
3, it in punching press precoating plate and stainless steel plate, needs to protect pressing sheet material laminating adhesive；
4, do not accomplish full-automatic punching press, need artificial on duty, high production cost；
5, when single-stroke mould produces, production process is more, high labor cost；
6, when continuous mould produces, mold and punching machine cooperation are not in place, can not achieve full-automatic unmanned on duty；
7, core pulling speed and Product Precision are unstable.
Therefore, it needs to invent a kind of no film punching press cutter knife shell mold tool.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of no film punching press cutter knife shell mold
Tool can make knife shell back do the state of half bending semi-drawing, use knife by being cooperated using blanking punching pin and blanking die cavity
The relatively thin position of mouth is not in more material gauffers, and the interior sky for going out the edge of a knife of blade will not be made excessive, does not have positioning work to blade
With, do not need yet to pressing sheet material laminating adhesive protect；It is used cooperatively by core pulling component with rapid escape valve, keeps the single of core pulling dynamic
Work can be completed within 0.2 second, reach the requirement quickly produced, and stablize Product Precision, pass through positioning material band position detection
The setting of needle and material strip detection and localization switch can precisely detect the precision of web feed, the material strip material of detection switch detection in place
In place whether, entire utility knife shell mold can realize unattended fully-automatic production in production for band feeding, save when producing
Cost of labor, and can ensure the safety of mold, it can be realized full-automatic unmanned on duty.
To achieve the above object, the invention provides the following technical scheme: a kind of no film punching press cutter knife shell mold has, including
Cope plate and lower template, the lower template is set to cope plate bottom, is fixedly connected with hydraulic cylinder at the top of the cope plate, described
It is from left to right successively arranged blanking die cavity at the top of lower template, stretches lower die, bending lower die, No.1 shaping lower die, No.1 core pulling folding
Stoop mould, No. two core pulling bending lower dies, No. two shaping lower dies, finished product blanking die cavity and slug die chamber, the cope plate bottom
Portion is from left to right successively arranged blanking punching pin, stretches upper mold, bending upper die, No.1 shaping upper mold, No.1 core pulling bending upper die, two
Number core pulling bending upper die, No. two shaping upper molds, finished product cutting punching pin and waste material cut off punching pin；
Blanking die cavity includes the material strip punching die cavity being set gradually from left to right, No.1 strip side mode chamber, No.1 blanking die
Chamber, No. two strip side mode chambers and No. two blanking die cavitys, the No.1 strip side mode chamber and No. two strip side mode chambers are respectively arranged at
The side front end and other side rear end of No.1 blanking die cavity；
Blanking punching pin includes the material strip punch upper die being set gradually from left to right, No.1 strip side upper mold, in No.1 blanking
Mould, No. two strip side upper molds and No. two blanking upper molds, the material strip punch upper die, No.1 strip side upper mold, No.1 blanking upper mold,
No. two strip side upper molds and No. two blanking upper molds respectively with material strip punching die cavity, No.1 strip side mode chamber, No.1 blanking die cavity, two
Number strip side mode chamber and No. two blanking die cavitys correspond；
Core pulling component and Quick air-discharge are equipped on rear side of No.1 core pulling bending lower die and on front side of No. two core pulling bending lower dies
Valve；
It is additionally provided with positioning material band position detection needle on cope plate and material strip detection and localization switchs, the lower template is close to useless
One end of material cutting die cavity is equipped with material strip detection switch in place, and detection switch is equal in place with material strip for the material strip detection and localization switch
It is connect with the control system of punching machine.
In a preferred embodiment, the cope plate bottom four corners are equipped with positioning through hole, the lower template top
Corner Strapped is equipped with positioning stock, and the positioning stock is corresponding with positioning through hole, and the two matches, the cope plate bottom
Front and rear sides are fixed with multiple locating rods, and the corresponding lower template of the locating rod is equipped with location hole, the locating rod with
Location hole matches.
In a preferred embodiment, front side and rear side are respectively equipped with discharge band buoyance lift at the top of the lower template
The tip, for positioning material conveying band, the cope plate is equipped with jack corresponding with the material strip buoyance lift tip, the material strip buoyance lift tip with
Jack matches.
In a preferred embodiment, the blanking die cavity at the top of the lower template, stretching lower die, bending lower die, one
Number shaping lower die, No.1 core pulling bending lower die, No. two core pulling bending lower dies, No. two shaping lower dies, finished product blanking die cavity and waste material
Die cavity is cut off to roll over the blanking punching pin of cope plate bottom, stretching upper mold, bending upper die, No.1 shaping upper mold, No.1 core pulling respectively
Curved upper mold, No. two core pulling bending upper dies, No. two shaping upper molds, finished product cutting punching pin and waste material cutting punching pin correspond.
In a preferred embodiment, the material strip punching die cavity and material strip punch upper die are disposed as two and close
It is symmetrical arranged in material strip cross central line, for the punching of material strip rear and front end.
In a preferred embodiment, the cope plate front and rear sides are uniformly provided with multiple material strip positioning insertion pins, institute
It states in lower template position corresponding with material strip positioning insertion pin and is equipped with material strip positioning insertion pin hole, on the material strip positioning insertion pin and material strip
Punching it is corresponding, and material strip positioning insertion pin is clamped through punching and the hole activity of material strip positioning insertion pin.
In a preferred embodiment, the positioning material band position detection needle is set as one and replaces one of them
Material strip positioning insertion pin is set on cope plate, and the material strip detection and localization switch is fixedly installed on front side of cope plate, the material strip
Detection and localization switch is electrically connected with positioning material band position detection needle.
In a preferred embodiment, the stretching lower die, bending lower die, No.1 shaping lower die, No.1 core pulling folding
It stoops mould, No. two core pulling bending lower dies, No. two shaping lower dies, finished product blanking die cavity, stretch upper mold, bending upper die, No.1 shaping
Upper mold, No.1 core pulling bending upper die, No. two core pulling bending upper dies, No. two shaping upper molds and finished product cutting punching pin, which are arranged side by side, to be had
Two, and setting direction is opposite.
In a preferred embodiment, the core pulling component includes cylinder, core pulling guide rail and core pulling mould, the cylinder
It is fixedly installed on core pulling rail crown side, the core pulling guide rail is fixedly connected with lower template, and the core pulling mould is fixedly installed on
Cylinder head portions, two core pulling moulds extend respectively to inside No.1 core pulling bending lower die and No. two core pulling bending lower dies, described
Core pulling mould matches with knife shell inner cavity, the corresponding No.1 core pulling bending lower die in core pulling mould two sides and No. two core pulling bending lower dies
On be respectively equipped with bending sliding block, the corresponding No. two core pulling bending upper dies of the bending sliding block and No.1 core pulling bending upper die two
Side is respectively equipped with bending top shoe.
In a preferred embodiment, rapid escape valve there are two being set on each cylinder, two Quick air-discharges
Valve is connect with cylinder air inlet and exhaust outlet respectively.
Technical effect and advantage of the invention:
1, the present invention is cooperated using blanking punching pin and blanking die cavity, is done on material strip upper slitter shell head with the corresponding position of material mouth
One easily-deformable strip side, after discharge station, stretched station can make knife shell back do half bending semi-drawing at this time
State, use the relatively thin position of the edge of a knife be not in expect gauffer, and the interior sky for going out the edge of a knife of blade will not be made excessive, to blade
Do not have positioning action, and do not need to protect pressing sheet material laminating adhesive yet, solve in general Sheet Metal Forming Technology often because
Length, which not enough causes to stretch, is easy to appear gauffer, and the edge of a knife is excessive out, and the problem of need overlay film to protect；
2, by the setting of core pulling component, use cylinder for core pulling power, cylinder drives core pulling mould to do in core pulling guide rail
It moves back and forth, when core pulling mould is inserted into two core pulling bending lower dies, knife shell is supported, machining accuracy is high, and cylinder intake
Mouthful and exhaust outlet be provided with rapid escape valve, complete the single motion of core pulling can within 0.2 second, reach and quickly produce
It is required that solving the problems, such as that core pulling speed and Product Precision are unstable；
3, the setting switched by positioning material with position detection needle and material strip detection and localization, can precisely detect web feed
Precision send signals to punching machine control system when feeding is not in place for material strip, punching machine is shut down, and detection switch detects material strip in place
In place whether, entire utility knife shell mold can realize unattended fully-automatic production in production, when saving production for material strip feeding
Cost of labor, mold is provided with multiple groups testing agency, to ensure the safety of mold, while also ensuring debugging and operator
Safety, reduce risk, so that die life is protected；Solution without film punching press, so that the cost of raw material reduces (purchase piece
Laminating adhesive is not needed when material), the part after making production can be used directly, and without removing membrane process again, reduces cost, improves production
Benefit；Mold realizes fully-automatic production, it is ensured that the dimensional accuracy of product solves artificial goods of furniture for display rather than for use punching press and easily occurs putting not
In place, dimensional accuracy bottom, the not high problem of productivity effect；
4, by being provided with photoelectric detection switch in the corresponding lower template top surface in material strip bottom, photoelectric detection switch with
Punching machine control system is electrically connected, and when material strip deformation or deformation of products, blocks photoelectric detection switch, switch then transmits a signal to
Punching machine control system, punching machine are shut down, the problem of quickly detecting material strip, and solving material strip accident occurs causes to deform caused increasing
The problem of scrappage for adding knife shell to process.
Detailed description of the invention
Fig. 1 is cope plate structural schematic diagram of the invention.
Fig. 2 is lower template structural schematic diagram of the invention.
Fig. 3 is lower template top view of the invention.
Fig. 4 is A-A partial structure diagram in lower template of the invention.
Fig. 5 is material-strap structure schematic diagram of the invention.
Fig. 6 is the knife shell product figure that mold of the invention produces.
Fig. 7 is the knife shell product side view that mold of the invention produces.
Appended drawing reference are as follows: 1 cope plate, 11 blanking punching pines, 111 material strip punch upper dies, 112 No.1 strip side upper molds, 113 1
Number blanking upper mold, 114 No. two strip side upper molds, 115 No. two blanking upper molds, 12 stretch upper molds, 13 bending upper dies, 14 No.1 shapings
Upper mold, 15 No.1 core pulling bending upper dies, 16 No. two core pulling bending upper dies, 17 No. two shaping upper molds, 18 finished products cutting punching pin, 19 are given up
Material cutting punching pin, 2 lower templates, 21 blanking die cavitys, 211 material strip punching die cavities, 212 No.1 strip side mode chambers, 213 No.1 blanking dies
Chamber, 214 No. two strip side mode chambers, 215 No. two blanking die cavitys, 22 stretch lower die, 23 bending lower dies, 24 No.1 shaping lower dies, 25
No.1 core pulling bending lower die, 26 No. two core pulling bending lower dies, 27 No. two shaping lower dies, 28 finished product blanking die cavitys, the cutting of 29 waste materials
Die cavity, 3 core pulling components, 31 cylinders, 32 core pulling guide rails, 33 core pulling moulds, 34 bending sliding blocks, 35 bending top shoes, 4 Quick air-discharges
Valve, 5 material strips in place detection switch, 6 positioning materials band position detection needle, 7 material strip detection and localizations switch, the 8 material strip buoyance lift tips, 9 material strips
Positioning insertion pin, 10 material strip positioning insertion pin holes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
Current embodiment require that the technical issues of solving are as follows:
1, because knife shell needs built-in knife to push away, the position for needing to slide is pushed away in knife, thickness generally all accomplishes 4-5mm, but the edge of a knife out
Interior empty thickness it is generally 0.1mm thicker than blade (0.5-0.8mm), due to that need to meet this two conditions simultaneously, knife shell is generally in head
Do that gradient excessively arrives out the edge of a knife and excessive length is between 10-20mm outside portion, since excessive length is inadequate, the change of thickness
Change amplitude is big, and general Sheet Metal Forming Technology is easy to appear gauffer；
2, the interior sky for going out the edge of a knife is excessive, does not have positioning action to blade；
3, it in punching press precoating plate and stainless steel plate, needs to protect pressing sheet material laminating adhesive.
The technical solution for solving above-mentioned 3 technical problems is as follows:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provides a kind of no film punching press cutter knife shell mold tool, including upper mold
Plate 1 and lower template 2, the lower template 2 are set to 1 bottom of cope plate, are fixedly connected with hydraulic cylinder at the top of the cope plate 1, institute
State the top of lower template 2 be from left to right successively arranged blanking die cavity 21, stretch lower die 22, bending lower die 23, No.1 shaping lower die 24,
The core pulling bending lower die 26, two of No.1 core pulling bending lower die 25, two shaping lower die 27, finished product blanking die cavity 28 and waste material cutting
Die cavity 29, it is whole that 1 bottom of cope plate is from left to right successively arranged blanking punching pin 11, stretching upper mold 12, bending upper die 13, No.1
Shape upper mold 14, the core pulling bending upper die 16, two of No.1 core pulling bending upper die 15, two shaping upper mold 17, finished product cut off punching pin 18
Punching pin 19 is cut off with waste material；
Blanking die cavity 21 includes the material strip punching die cavity 211 being set gradually from left to right, No.1 strip side mode chamber 212, one
Number 213, No. two strip side mode chambers 214 of blanking die cavity and No. two blanking die cavitys 215, the No.1 strip side mode chamber 212 and No. two
Strip side mode chamber 214 is respectively arranged at the side front end and other side rear end of No.1 blanking die cavity 213；
Blanking punching pin 11 includes the material strip punch upper die 111 being set gradually from left to right, No.1 strip side upper mold 112, one
Number 113, No. two strip side upper molds 114 of blanking upper mold and No. two blanking upper molds 115, the material strip punch upper die 111, No.1 strip
In 113, No. two upper mold 112, No.1 blanking upper mold strips upper mold 114 and No. two blanking upper molds 115 respectively with material strip piercing die
Chamber 211, No.1 strip side mode chamber 212,213, No. two strip side mode chambers 214 of No.1 blanking die cavity and No. two blanking die cavitys 215 1
One is corresponding；
The 2 top front side of lower template and rear side are respectively equipped with the discharge band buoyance lift tip 8, for positioning material conveying band, institute
Cope plate 1 is stated equipped with jack corresponding with the material strip buoyance lift tip 8, the material strip buoyance lift tip 8 is matched with jack；
The blanking die cavity 21 at 2 top of lower template stretches lower die 22, bending lower die 23, No.1 shaping lower die 24, No.1
The core pulling bending lower die 26, two of core pulling bending lower die 25, two shaping lower die 27, finished product blanking die cavity 28 and slug die chamber
29 respectively with the blanking punching pin 11 of 1 bottom of cope plate, stretch upper mold 12, bending upper die 13, No.1 shaping upper mold 14, No.1 core pulling
The core pulling bending upper die 16, two of bending upper die 15, two shaping upper mold 17, finished product cutting punching pin 18 and waste material cut off punching pin 19 1
One is corresponding；
25, No. two the stretching lower die 22, bending lower die 23, No.1 shaping lower die 24, No.1 core pulling bending lower die core pullings
26, No. two shaping lower dies 27 of bending lower die, stretch upper mold 12, bending upper die 13, No.1 shaping upper mold at finished product blanking die cavity 28
14, the shaping upper mold 17 of core pulling bending upper die 16, two of No.1 core pulling bending upper die 15, two and finished product cut off punching pin 18 side by side
There are two settings, and setting direction is opposite.
Embodiment specifically: the material strip of strip is through the positioning of the material strip buoyance lift tip 8 and carries conveying, in transmission process, according to
The secondary discharge station by 11 cooperating of blanking die cavity 21 and blanking punching pin stretches lower die 22 and stretches 12 cooperating of upper mold
Two stretch stations, two bending stations of bending lower die 23 and 13 cooperating of bending upper die, No.1 shaping lower die 24 and
Two No.1 shaping stations, No.1 core pulling bending lower die 25 and the No.1 core pulling bending upper die of 14 cooperating of No.1 shaping upper mold
The No.1 core pulling bending stations of 15 cooperatings, No. two core pulling bending lower dies 26 and No. two 16 cooperatings of core pulling bending upper die
No. two core pulling bending stations, No. two shaping lower dies 27 and No. two 17 cooperatings of shaping upper mold two No. two shaping stations, at
Two finished products of product blanking die cavity 28 and finished product cutting 18 cooperating of punching pin cut off station and slug die chamber 29 and give up
The waste material of material cutting 19 cooperating of punching pin cuts off station；
When the material strip of strip enters discharge station, match syzygies through material strip punching die cavity 211 and material strip punch upper die 111
Hole, then through No.1 strip side mode chamber 212 and the cooperation cutting of No.1 strip side upper mold 112 material strip front end, through No. two strip side mode chambers
214 and No. two strip side upper molds 114 cooperation cutting material strip rear ends, therefore in the continuous transmission process of material strip, material strip front and rear sides
Edge is in easily-deformable strip side as shown in Figure 3 by cutting, while being matched through No.1 blanking die cavity 213 and No.1 blanking upper mold 113
Cutting material strip is closed, the opening on knife shell is formed, cooperates cutting openings two through No. two blanking die cavitys 215 and No. two blanking upper molds 115
The wave groove of side；
Entire material strip respectively makes an easily-deformable strip side (see Fig. 5) on material strip both sides through discharge station, then successively passes through
Discharge station carries out the opening cutting of material strip；Through two stretching stations make side by side two knife shell backs do half bending semi-drawing
State, using the relatively thin position of the edge of a knife is not in more material gauffers；Make the material strip both sides and bottom of two knife shells through two bending stations
At right angle；Just shaping is carried out through material strip of the No.1 shaping station to two bendings；Through No.1 core pulling bending station and No. two core pullings
Bending station rolls over material strip at right angle to two sides respectively and carries out bending again, makes two inside bendings of side plate of knife shell, knife
The first one-step forming of shell；Shaping again is carried out through knife shell of No. two shaping stations to two bendings again；Most station pair is cut off through finished product afterwards
The cutting of molding knife shell both ends disengages it from material strip, and the waste material at material strip both ends is through waste material cutting station cutting and blanking, in material strip
In continuous transmission process, for the knife shell finished product blanking after cutting to 2 side of lower template, finished figure is shown in Fig. 6, Fig. 7；
In the present embodiment, in whole process, each cope plate 1 is pushed to be cooperated with lower template 2, utilizes the shape of knife shell
Shape, can two knife shells of time processing simultaneously, two knife shells side by side and contrary setting, such material strip can using completely,
And it is high in machining efficiency；
Cooperated using blanking punching pin 11 and blanking die cavity 21, does one with the corresponding position of material mouth on material strip upper slitter shell head
Easily-deformable strip side, after discharge station, stretched station can make knife shell back do the shape of half bending semi-drawing at this time
State, using the relatively thin position of the edge of a knife is not in more material gauffers, and the interior sky for going out the edge of a knife of blade will not be made excessive, is risen not to blade
It to positioning action, and does not need to protect pressing sheet material laminating adhesive yet, solve in general Sheet Metal Forming Technology often because of length
Not enough cause to stretch and be easy to appear gauffer, the edge of a knife is excessive out, and the problem of need overlay film to protect；
When punching press stainless steel of the present invention, precoating plate etc. do not need to carry out the material of secondary coating, can direct punching press, be not required to multiple
Protective film protects plate, and stamping out the cost come can reach quality requirements.
Further, 1 bottom four corners of cope plate are equipped with positioning through hole, and the 2 top Corner Strapped of lower template is equipped with
Stock is positioned, the positioning stock is corresponding with positioning through hole, and the two matches, and the 1 bottom front and rear sides of cope plate are equal
It is fixed with multiple locating rods, the corresponding lower template 2 of the locating rod is equipped with location hole, and the locating rod and location hole match
It closes；
By the cooperation of positioning stock and positioning through hole and locating rod and location hole, make entire cope plate 1 and lower template 2
Up and down when cooperation processing, the problem of positioning accuracy is higher, and deviations will not occur for use for a long time, be conducive to the high-precision of knife shell
Degree processing.
Embodiment 2:
Current embodiment require that the technical issues of solving are as follows:
1, core pulling speed and Product Precision are unstable.
The technical solution for solving above-mentioned technical problem is as follows:
As shown in Figure 1, Figure 3, it is equipped on front side of 25 rear side of No.1 core pulling bending lower die and No. two core pulling bending lower dies 26
Core pulling component 3 and rapid escape valve 4；
The core pulling component 3 includes cylinder 31, core pulling guide rail 32 and core pulling mould 33, and the cylinder 31 is fixedly installed on core pulling
32 top side of guide rail, the core pulling guide rail 32 are fixedly connected with lower template 2, and the core pulling mould 33 is fixedly installed on 31 end of cylinder
Portion, two core pulling moulds 33 extend respectively to inside No.1 core pulling bending lower die 25 and No. two core pulling bending lower dies 26, described
Core pulling mould 33 matches with knife shell inner cavity, the corresponding No.1 core pulling bending lower die 25 in 33 two sides of core pulling mould and No. two core pulling foldings
It stoops and is respectively equipped with bending sliding block 34 on mould 26, the bending sliding block 34 corresponding No. two core pulling bending upper dies 16 and No.1s
15 two sides of core pulling bending upper die are respectively equipped with bending top shoe 35；
Set on each cylinder 31 there are two rapid escape valve 4, two rapid escape valves 4 respectively with 31 air inlet of cylinder
It is connected with exhaust outlet.
Embodiment specifically: when material strip passes through No.1 core pulling bending station and No. two core pulling bending stations, using gas
Cylinder 31 is core pulling power, and cylinder 31 drives core pulling mould 33 to reciprocatingly move in core pulling guide rail 32, and core pulling mould 33 is inserted into two pumpings
When in core bending lower die 23, in the knife shell cavity after being just inserted into bending, knife shell is supported, machining accuracy is high, and cylinder
31 air inlets and exhaust outlet are provided with rapid escape valve 4, complete the single motion of core pulling can within 0.2 second, reach fast
The requirement that fast-growing produces；
Because core pulling movement velocity is fast (0.2 second moving distance 150mm), times of exercise is more (per hour 2400 back and forth), pumping
Core guide rail 32 is precise linear guide, small to reach resistance, movement smoothly, service life long effect, protect the precision of mold with it is resistance to
Expenditure solves the problems, such as that core pulling speed and Product Precision are unstable.
Embodiment 3:
Current embodiment require that the technical issues of solving are as follows:
1, do not accomplish full-automatic punching press, need artificial on duty, high production cost；
2, when single-stroke mould produces, production process is more, high labor cost；
3, when continuous mould produces, mold and punching machine cooperation are not in place, can not achieve full-automatic unmanned single-stroke mould on duty
When production, production process is more, high labor cost.
The technical solution for solving above-mentioned 3 technical problems is as follows:
As shown in Figure 1, Figure 2, Figure 3 shows, positioning material band position detection needle 6 and material strip detection and localization are additionally provided on cope plate 1
Switch 7, the lower template 2 close to one end of slug die chamber 29, equipped with material strip, (concretely open detection switch 5 in place by photoelectricity
Close), detection switch 5 is connect with the control system of punching machine in place for the material strip detection and localization switch 7 and material strip；
The material strip punching die cavity 211 and material strip punch upper die 111 are disposed as two and about material strip cross central lines
It is symmetrical arranged, for the punching of material strip rear and front end；
1 front and rear sides of cope plate are uniformly provided with multiple material strip positioning insertion pins 9, position in the lower template 2 with material strip
The corresponding position of contact pin 9 is equipped with material strip positioning insertion pin hole 10, and the material strip positioning insertion pin 9 is corresponding with the punching on material strip, and
Material strip positioning insertion pin 9 is clamped through punching and 10 activity of material strip positioning insertion pin hole.
The positioning material band position detection needle 6 is set as one and is set to instead of one of material strip positioning insertion pin 9
In template 1, the material strip detection and localization switch 7 is fixedly installed on the front side of cope plate 1, the material strip detection and localization switch 7 with calmly
Position material strip position detection needle 6 is electrically connected.
Embodiment specifically: in process of production, when material strip is fed, rushed first through material strip punching die cavity 211 and material strip
The cooperation of hole upper mold 111 is punched in front and rear sides, and obtained punching is inserted for later period and material strip positioning insertion pin hole 10 and material strip positioning
Needle 9 matches, and the positioning for material strip uses, and in web feed process, and positioning material band position detection needle 6 replaces
The position of one of material strip positioning insertion pin 9, for detect material strip whether accurate positioning, working principle are as follows: positioning material band position
It sets the detection corresponding cope plate 1 of needle 6 and is equipped with syringe, positioning material band 6 activity of position detection needle is connected in syringe, syringe inner cavity
Top is equipped with switch corresponding with positioning material band position detection needle 6, this switch passes through cable shape with material strip detection and localization switch 7
At a detection circuit, for sending positioning signal to the control system of punching machine, thus realize the detection of web feed precision, when
Material strip sends signals to punching machine control system when feeding is not in place, and punching machine is shut down；
2 side of lower template is provided with material strip detection switch 5 in place, when material strip feeding in place after, optoelectronic switch detects light
Line is blocked, then sends signals to punching machine control system, and punching machine is done again to be acted in next step；
Entire utility knife shell mold can realize unattended fully-automatic production in production, when saving production it is artificial at
This, mold is provided with multiple groups testing agency, to ensure the safety of mold, while also ensuring debugging and the safety of operator,
Risk is reduced, die life is made to be protected；Solution without film punching press, so that the cost of raw material reduces (when purchase sheet material not
Need laminating adhesive), the part after making production can be used directly, and without removing membrane process again, reduces cost, improves productivity effect；
Mold realizes fully-automatic production, it is ensured that the dimensional accuracy of product, solve artificial goods of furniture for display rather than for use punching press easily occur putting it is not in place,
Dimensional accuracy bottom, the not high problem of productivity effect.
Embodiment 4:
Unlike embodiment 1-3, corresponding 2 top surface of lower template in the material strip bottom is provided with Photoelectric Detection and opens
It closes, photoelectric detection switch and punching machine control system are electrically connected, and when material strip deformation or deformation of products, are blocked Photoelectric Detection and are opened
The problem of pass, switch then transmit a signal to punching machine control system, and punching machine shuts down, quickly detects material strip, solves material strip
Surprisingly lead to the problem of increasing the scrappage of knife shell processing caused by deforming.
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of no film punching press cutter knife shell mold tool, including cope plate (1) and lower template (2), the lower template (2) are set to
Cope plate (1) bottom, cope plate (1) top are fixedly connected with hydraulic cylinder, it is characterised in that: at the top of the lower template (2)
It is from left to right successively arranged blanking die cavity (21), stretches lower die (22), bending lower die (23), No.1 shaping lower die (24), No.1
Core pulling bending lower die (25), No. two core pulling bending lower dies (26), No. two shaping lower dies (27), finished product blanking die cavity (28) and waste material
It cuts off die cavity (29), cope plate (1) bottom is from left to right successively arranged blanking punching pin (11), stretches upper mold (12), bending
Upper mold (13), No.1 shaping upper mold (14), No.1 core pulling bending upper die (15), No. two core pulling bending upper dies (16), No. two shapings
Upper mold (17), finished product cutting punching pin (18) and waste material cutting punching pin (19)；
Blanking die cavity (21) include the material strip punching die cavity (211) being set gradually from left to right, No.1 strip side mode chamber (212),
No.1 blanking die cavity (213), No. two strip side mode chambers (214) and No. two blanking die cavitys (215), the No.1 strip side mode chamber
(212) and No. two strip side mode chambers (214) are respectively arranged at the side front end and other side rear end of No.1 blanking die cavity (213)；
Blanking punching pin (11) include the material strip punch upper die (111) being set gradually from left to right, No.1 strip side upper mold (112),
No.1 blanking upper mold (113), No. two strip side upper molds (114) and No. two blanking upper molds (115), the material strip punch upper die
(111), No.1 strip upper mold (114) and No. two blanking upper molds in upper mold (112), No.1 blanking upper mold (113), No. two strips
(115) respectively with material strip punching die cavity (211), No.1 strip side mode chamber (212), No.1 blanking die cavity (213), No. two strip sides
Die cavity (214) and No. two blanking die cavitys (215) correspond；
Core pulling component (3) and fastly is equipped on rear side of No.1 core pulling bending lower die (25) and on front side of No. two core pulling bending lower dies (26)
Fast exhaust valve (4)；
Positioning material band position detection needle (6) and material strip detection and localization switch (7), the lower template are additionally provided on cope plate (1)
(2) one end close to slug die chamber (29) is equipped with material strip detection switch (5) in place, and the material strip detection and localization switchs (7)
Detection switch (5) is connect with the control system of punching machine in place with material strip.
2. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the cope plate (1)
Bottom four corners are equipped with positioning through hole, and Corner Strapped is equipped with positioning stock, the positioning stock and positioning at the top of the lower template (2)
Through-hole is corresponding, and the two matches, and cope plate (1) the bottom front and rear sides are fixed with multiple locating rods, described fixed
Bar corresponding lower template (2) in position is equipped with location hole, and the locating rod is matched with location hole.
3. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the lower template (2)
On front side of top and rear side is respectively equipped with the discharge band buoyance lift tip (8), and for positioning material conveying band, the cope plate (1) is equipped with
Jack corresponding with material strip buoyance lift the tip (8), the material strip buoyance lift tip (8) match with jack.
4. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the lower template (2)
The blanking die cavity (21) at top stretches under lower die (22), bending lower die (23), No.1 shaping lower die (24), No.1 core pulling bending
Mould (25), No. two core pulling bending lower dies (26), No. two shaping lower dies (27), finished product blanking die cavity (28) and slug die chamber
(29) respectively with the blanking punching pin (11) of cope plate (1) bottom, stretch upper mold (12), bending upper die (13), No.1 shaping upper mold
(14), No.1 core pulling bending upper die (15), No. two core pulling bending upper dies (16), No. two shaping upper molds (17), finished product cut off punching pin
(18) it is corresponded with waste material cutting punching pin (19).
5. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the material strip piercing die
Chamber (211) and material strip punch upper die (111) are disposed as two and are symmetrical arranged about material strip cross central line, for material strip
Rear and front end punching.
6. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the cope plate (1)
Front and rear sides are uniformly provided with multiple material strip positioning insertion pins (9), position corresponding with material strip positioning insertion pin (9) on the lower template (2)
Material strip positioning insertion pin hole (10) is installed, the material strip positioning insertion pin (9) is corresponding with the punching on material strip, and material strip positioning is inserted
Needle (9) is clamped through punching and material strip positioning insertion pin hole (10) activity.
7. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: positioning material band position
Detection needle (6) is set to be set as one and be set on cope plate (1) instead of one of material strip positioning insertion pin (9), the material strip
Detection and localization switch (7) is fixedly installed on front side of cope plate (1), the material strip detection and localization switch (7) and positioning material band position
Detect needle (6) electrical connection.
8. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the stretching lower die
(22), bending lower die (23), No.1 shaping lower die (24), No.1 core pulling bending lower die (25), No. two core pulling bending lower dies (26),
No. two shaping lower dies (27), finished product blanking die cavity (28), stretch upper mold (12), bending upper die (13), No.1 shaping upper mold (14),
No.1 core pulling bending upper die (15), No. two core pulling bending upper dies (16), No. two shaping upper molds (17) and finished product cutting punching pin (18)
There are two being arranged side by side, and setting direction is opposite.
9. a kind of no film punching press cutter knife shell mold tool according to claim 1, it is characterised in that: the core pulling component
It (3) include cylinder (31), core pulling guide rail (32) and core pulling mould (33), the cylinder (31) is fixedly installed on core pulling guide rail (32) top
Portion side, the core pulling guide rail (32) are fixedly connected with lower template (2), and the core pulling mould (33) is fixedly installed on cylinder (31) end
Portion, two core pulling moulds (33) extend respectively in No.1 core pulling bending lower die (25) and No. two core pulling bending lower dies (26)
Portion, the core pulling mould (33) match with knife shell inner cavity, the corresponding No.1 core pulling bending lower die in core pulling mould (33) two sides
(25) and on No. two core pulling bending lower dies (26) it is respectively equipped with bending sliding block (34), the bending sliding block (34) corresponding two
Number core pulling bending upper die (16) and No.1 core pulling bending upper die (15) two sides are respectively equipped with bending top shoe (35).
10. a kind of no film punching press cutter knife shell mold tool according to claim 9, it is characterised in that: each cylinder (31)
On set there are two rapid escape valve (4), two rapid escape valves (4) connect with cylinder (31) air inlet and exhaust outlet respectively
It connects.
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| CN201910656837.4A CN110280665B (en) | 2019-07-19 | 2019-07-19 | Film-free stamping art designing knife shell mold |
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|---|---|---|---|
| CN201910656837.4A CN110280665B (en) | 2019-07-19 | 2019-07-19 | Film-free stamping art designing knife shell mold |
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