CN110280665B - Film-free stamping art designing knife shell mold - Google Patents
Film-free stamping art designing knife shell mold Download PDFInfo
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- CN110280665B CN110280665B CN201910656837.4A CN201910656837A CN110280665B CN 110280665 B CN110280665 B CN 110280665B CN 201910656837 A CN201910656837 A CN 201910656837A CN 110280665 B CN110280665 B CN 110280665B
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- 239000000463 material Substances 0.000 claims abstract description 181
- 238000005452 bending Methods 0.000 claims abstract description 112
- 238000007493 shaping process Methods 0.000 claims abstract description 45
- 238000004080 punching Methods 0.000 claims abstract description 43
- 238000005520 cutting process Methods 0.000 claims abstract description 39
- 239000002699 waste material Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 43
- 238000007667 floating Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 2
- 230000037303 wrinkles Effects 0.000 abstract description 8
- 239000007888 film coating Substances 0.000 abstract description 5
- 238000009501 film coating Methods 0.000 abstract description 5
- 239000011797 cavity material Substances 0.000 description 70
- 238000004519 manufacturing process Methods 0.000 description 29
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 13
- 230000008901 benefit Effects 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
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
Classifications
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- 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 film-free stamping art designing knife shell die, in particular to the field of art designing knife stamping dies, which comprises an upper die plate and a lower die plate, wherein the lower die plate is arranged at the bottom of the upper die plate, the top of the upper die plate is fixedly connected with a hydraulic cylinder, and the top of the lower die plate is sequentially provided with a blanking die cavity, a stretching lower die, a bending lower die, a first core-pulling bending lower die, a second shaping lower die, a finished product blanking die cavity and a waste cutting die from left to right, and the bottom of the upper die plate is sequentially provided with a blanking punch, a stretching upper die, a bending upper die, a first shaping upper die, a first core-pulling bending upper die, a second shaping upper die, a finished product cutting punch and a waste cutting punch from left to right. According to the invention, the blanking punch is matched with the blanking die cavity, so that the back of the cutter shell is in a half-bending and half-stretching state, multiple material wrinkles can not appear at a thinner position of the cutter edge, and the punching plate is not required to be subjected to film coating protection.
Description
Technical Field
The invention relates to the technical field of art designing knife stamping dies, in particular to a film-free stamping art designing knife shell die.
Background
At present, for the processing of art designing knives, the existing production technology has the following steps:
single-punch die production: each stamping procedure is performed with a set of independent dies, and a finished product can be obtained after stamping for a plurality of times;
continuous die production: and each stamping procedure is carried out on a set of die, and a finished product is produced once per stamping.
The art designing knife is formed by combining a plurality of materials and processes after production, wherein the knife shell or the iron bushing is an important part of the art designing knife main body, the materials for manufacturing the knife shell or the iron bushing at present mainly adopt stainless steel, precoating plates, galvanized plates, cold binding plates and the like, and the following problems can occur in the production of general stamping processes and dies:
1. the cutter shell is required to be internally pushed, the thickness of the cutter shell is generally 4-5mm at the position where the cutter shell needs to slide, but the thickness of the inner space of the cutter outlet is generally 0.1mm (0.5-0.8 mm) thicker than that of the cutter blade, and the cutter shell is generally inclined outside the head part to be excessively pushed to the cutter outlet and the excessive length is between 10 and 20mm because the excessive length is insufficient, so that the thickness is large in variation range and wrinkles are easy to occur in a general stamping process;
2. the inner space of the outlet knife edge is too large, so that the knife blade cannot be positioned;
3. when the precoated plate and the stainless steel plate are stamped, the stamped plate needs to be subjected to film coating protection;
4. full-automatic stamping cannot be performed, manual duty is needed, and production cost is high;
5. when the single-punch die is produced, the production procedures are more, and the labor cost is high;
6. when the continuous die is produced, the die and the punch are not matched in place, and full-automatic unattended operation cannot be realized;
7. the core pulling speed and the product precision are unstable.
Therefore, there is a need for a die for a film-less stamping utility knife housing.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a film-free punching art knife shell mould, which can make the back of the knife shell in a half-bending half-stretching state by utilizing the cooperation of a blanking punch and a blanking die cavity, so that a thinner outlet edge cannot generate multi-material wrinkles, the inner space of the outlet edge of a blade cannot be excessively large, the blade cannot be positioned, and the film-covering protection of a punching plate is not required; through loose core subassembly and quick discharge valve cooperation use, the single action that makes the loose core can accomplish within 0.2 seconds, reach the requirement of quick production, and make the product precision stable, through the setting of location material area position detection needle and material area location detection switch, can accurate detection material area carry the precision, the material area detects the material area and detects whether the material area pay-off is in place, whole art designing knife shell mould can realize unmanned on duty full-automatic production when producing, the cost of labor when saving production, and can ensure the safety of mould, can realize full-automatic unmanned on duty.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a no membrane punching craft knife shell mould, includes cope match-plate pattern and lower bolster, the lower bolster sets up in the cope match-plate pattern bottom, cope match-plate pattern top fixedly connected with pneumatic cylinder, the lower bolster top is from left to right equipped with unloading die cavity, tensile lower mould, bending lower mould, plastic lower mould, core-pulling bending lower mould, no. two core-pulling bending lower moulds, no. two plastic lower moulds, finished product blanking die cavity and waste material cutting die cavity in proper order, the cope match-plate pattern bottom is from left to right equipped with unloading punch, tensile upper mould, bending upper mould, plastic upper mould, core-pulling bending upper mould, no. two plastic upper moulds, finished product cutting punch and waste material cutting punch in proper order;
the blanking die cavity comprises a material belt punching die cavity, a first material belt side die cavity, a first blanking die cavity, a second material belt side die cavity and a second blanking die cavity which are sequentially arranged from left to right, wherein the first material belt side die cavity and the second material belt side die cavity are respectively arranged at the front end of one side and the rear end of the other side of the first blanking die cavity;
the blanking punch comprises a material belt punching upper die, a first belt material side die, a first blanking upper die, a second belt material side die and a second blanking upper die which are sequentially arranged from left to right, wherein the material belt punching upper die, the first belt material side die, the first blanking upper die, the second belt material side die and the second blanking upper die are respectively in one-to-one correspondence with a material belt punching die cavity, a first belt material side die cavity, a first blanking die cavity, a second belt material side die cavity and a second blanking die cavity;
the rear side of the first core-pulling bending lower die and the front side of the second core-pulling bending lower die are respectively provided with a core-pulling assembly and a quick exhaust valve;
the upper die plate is also provided with a positioning material belt position detection needle and a material belt positioning detection switch, one end of the lower die plate, which is close to the waste cutting die cavity, is provided with a material belt position detection switch, and the material belt positioning detection switch and the material belt position detection switch are connected with a control system of the punch press.
In a preferred embodiment, positioning through holes are formed in four corners of the bottom of the upper template, positioning long rods are fixedly arranged in four corners of the top of the lower template, the positioning long rods correspond to the positioning through holes and are matched with the positioning through holes, a plurality of positioning rods are fixedly arranged on the front side and the rear side of the bottom of the upper template, positioning holes are formed in the lower template corresponding to the positioning rods, and the positioning rods are matched with the positioning holes.
In a preferred embodiment, a row of material belt floating pins are respectively arranged on the front side and the rear side of the top of the lower die plate and used for positioning the material conveying belt, the upper die plate is provided with jacks corresponding to the material belt floating pins, and the material belt floating pins are matched with the jacks.
In a preferred embodiment, the blanking die cavity, the stretching lower die, the bending lower die, the shaping lower die, the core-pulling bending lower die, the shaping lower die, the finished product blanking die cavity and the waste cutting die cavity at the top of the lower die plate are respectively in one-to-one correspondence with the blanking punch, the stretching upper die, the bending upper die, the shaping upper die, the core-pulling bending upper die, the shaping upper die, the finished product cutting punch and the waste cutting punch at the bottom of the upper die plate.
In a preferred embodiment, the material belt punching die cavity and the material belt punching upper die are arranged in two and symmetrically arranged about the transverse center line of the material belt, and are used for punching the front end and the rear end of the material belt.
In a preferred embodiment, a plurality of material belt positioning pins are uniformly arranged on the front side and the rear side of the upper template, material belt positioning pin holes are formed in positions, corresponding to the material belt positioning pins, on the lower template, the material belt positioning pins correspond to punched holes in the material belt, and the material belt positioning pins penetrate through the punched holes and are movably clamped with the material belt positioning pin holes.
In a preferred embodiment, the positioning strip position detecting needle is arranged on the upper template instead of one of the strip positioning pins, the strip positioning detecting switch is fixedly arranged on the front side of the upper template, and the strip positioning detecting switch is electrically connected with the positioning strip position detecting needle.
In a preferred embodiment, the stretching lower die, the bending lower die, the shaping lower die, the core-pulling bending lower die, the shaping lower die, the finished product blanking die cavity, the stretching upper die, the bending upper die, the shaping upper die, the core-pulling bending upper die, the shaping upper die and the finished product cutting punch are all arranged in two side by side and are opposite in arrangement direction.
In a preferred embodiment, the core-pulling assembly comprises a cylinder, a core-pulling guide rail and a core-pulling die, wherein the cylinder is fixedly arranged on one side of the top of the core-pulling guide rail, the core-pulling guide rail is fixedly connected with a lower template, the core-pulling die is fixedly arranged at the end part of the cylinder, the core-pulling dies respectively extend into a core-pulling bending lower die and a core-pulling bending lower die, the core-pulling dies are matched with the inner cavity of the cutter shell, bending lower sliders are respectively arranged on the core-pulling bending lower die and the core-pulling bending lower die which correspond to the two sides of the core-pulling die, and bending upper sliders are respectively arranged on the two sides of the core-pulling bending upper die and the two sides of the core-pulling bending upper die which correspond to the bending lower sliders.
In a preferred embodiment, two quick exhaust valves are provided for each cylinder, the two quick exhaust valves being connected to the cylinder intake and exhaust ports, respectively.
The invention has the technical effects and advantages that:
1. according to the invention, the blanking punch is matched with the blanking die cavity, the corresponding position of the head part of the cutter shell on the material belt is provided with the easily-deformed material belt edge, after the blanking station, the back part of the cutter shell is in a half-bending and half-stretching state through the stretching station, so that a thin part of the cutter blade is prevented from generating multi-material wrinkles, the inner space of the cutter blade is prevented from being excessively large, the cutter blade is not positioned, and the film laminating protection is not needed, and the problems that the stretching is easy to generate wrinkles due to insufficient length in the general punching process, the cutter blade is excessively large and film laminating protection is needed are solved;
2. through the arrangement of the core pulling assembly, the cylinder is adopted as core pulling power, the cylinder drives the core pulling die to reciprocate in the core pulling guide rail, when the core pulling die is inserted into the two core pulling bending lower dies, the cutter shell is supported, the machining precision is high, and the air inlet and the air outlet of the cylinder are both provided with quick exhaust valves, so that single action of core pulling can be completed within 0.2 seconds, the requirement of quick production is met, and the problems of unstable core pulling speed and product precision are solved;
3. through setting up of location material area position detection needle and material area location detection switch, can accurate detection material area transport's precision, when the material area pay-off is not in place, signal to punch press control system, the punch press is shut down, material area in place detection switch detects whether the material area pay-off is in place, whole art designing knife shell mould can realize unmanned on duty full-automatic production when producing, labour cost when saving production, the mould is provided with multiunit detection mechanism, in order to ensure the safety of mould, debugging and operating personnel's safety has also been guaranteed simultaneously, reduce the risk, make the mould life-span ensured; the solution of film-free stamping reduces the cost of raw materials (film coating is not needed when sheets are purchased), so that the produced parts can be directly used, the film removing process is not needed, the cost is reduced, and the production benefit is improved; the die realizes full-automatic production, ensures the dimensional accuracy of products, and solves the problems that the manual ornament is easy to put in place, the dimensional accuracy is low and the production benefit is low;
4. through being provided with photoelectric detection switch on the lower bolster top surface that corresponds in the material area bottom, photoelectric detection switch and punch press control system electric connection, when the material area warp or the product warp, blockked photoelectric detection switch, the switch then sends the signal to punch press control system, and the punch press is shut down, the problem of short-term test ejection of compact area has solved the material area and has taken place the unexpected problem that leads to the disability rate of the increase sword shell processing that warp and lead to.
Drawings
Fig. 1 is a schematic diagram of the upper template structure of the present invention.
Fig. 2 is a schematic diagram of the lower die plate structure of the present invention.
Fig. 3 is a top view of the lower plate of the present invention.
FIG. 4 is a schematic view of the structure of the portion A-A of the lower plate of the present invention.
Fig. 5 is a schematic view of a material belt structure according to the present invention.
Fig. 6 is a view of a knife housing product produced by the die of the present invention.
Fig. 7 is a side view of a knife housing product produced by the die of the present invention.
The reference numerals are: an upper die plate 1, a blanking punch 11, a strip punching upper die 111, a strip edge die 112, a blanking upper die 113, a strip edge die 114, a blanking upper die 115, a stretching upper die 12, a bending upper die 13, a shaping upper die 14, a core-pulling and bending upper die 15, a core-pulling and bending upper die 16, a shaping upper die 17, a finished product cutting punch 18, a waste cutting punch 19, a lower die plate 2, a blanking die cavity 21, a strip punching die cavity 211, a strip edge die cavity 212, a blanking die cavity 213, a strip edge die cavity 214 the device comprises a second blanking die cavity 215, a second stretching lower die 23, a first shaping lower die 24, a first core-pulling and bending lower die 25, a second core-pulling and bending lower die 26, a second shaping lower die 27, a 28 finished product blanking die cavity, a 29 waste cutting die cavity, a 3 core-pulling assembly, a 31 cylinder, a 32 core-pulling guide rail, a 33 core-pulling die, a 34 bending lower slide block, a 35 bending upper slide block, a 4 quick exhaust valve, a 5-material-belt position detection switch, a 6-positioning material-belt position detection needle, a 7-material-belt positioning detection switch, an 8-material-belt lifting pin, a 9-material-belt positioning pin and a 10-material-belt positioning pin hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the technical problems to be solved in this embodiment are:
1. the cutter shell is required to be internally pushed, the thickness of the cutter shell is generally 4-5mm at the position where the cutter shell needs to slide, but the thickness of the inner space of the cutter outlet is generally 0.1mm (0.5-0.8 mm) thicker than that of the cutter blade, and the cutter shell is generally inclined outside the head part to be excessively pushed to the cutter outlet and the excessive length is between 10 and 20mm because the excessive length is insufficient, so that the thickness is large in variation range and wrinkles are easy to occur in a general stamping process;
2. the inner space of the outlet knife edge is too large, so that the knife blade cannot be positioned;
3. when the precoated plate and the stainless steel plate are stamped, the stamped plate needs to be subjected to film coating protection.
The technical scheme for solving the 3 technical problems is as follows:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the invention provides a film-free stamping art knife shell mold, which comprises an upper mold plate 1 and a lower mold plate 2, wherein the lower mold plate 2 is arranged at the bottom of the upper mold plate 1, the top of the upper mold plate 1 is fixedly connected with a hydraulic cylinder, the top of the lower mold plate 2 is sequentially provided with a blanking mold cavity 21, a stretching lower mold 22, a bending lower mold 23, a first shaping lower mold 24, a first core-pulling and bending lower mold 25, a second core-pulling and bending lower mold 26, a second shaping lower mold 27, a finished product blanking mold cavity 28 and a waste cutting mold cavity 29 from left to right, and the bottom of the upper mold plate 1 is sequentially provided with a blanking punch 11, a stretching upper mold 12, a bending upper mold 13, a first shaping upper mold 14, a first core-pulling and bending upper mold 15, a second core-pulling and bending upper mold 16, a second shaping upper mold 17, a finished product cutting punch 18 and a waste cutting punch 19 from left to right;
the blanking die cavity 21 comprises a material belt punching die cavity 211, a first material belt side die cavity 212, a first blanking die cavity 213, a second material belt side die cavity 214 and a second blanking die cavity 215 which are sequentially arranged from left to right, wherein the first material belt side die cavity 212 and the second material belt side die cavity 214 are respectively arranged at the front end of one side and the rear end of the other side of the first blanking die cavity 213;
the blanking punch 11 comprises a material belt punching upper die 111, a first material belt side die 112, a first blanking upper die 113, a second material belt side upper die 114 and a second blanking upper die 115 which are sequentially arranged from left to right, wherein the material belt punching upper die 111, the first material belt side die 112, the first blanking upper die 113, the second material belt side upper die 114 and the second blanking upper die 115 are respectively in one-to-one correspondence with a material belt punching die cavity 211, a first material belt side die cavity 212, a first blanking die cavity 213, a second material belt side die cavity 214 and a second blanking die cavity 215;
a row of material belt floating pins 8 are respectively arranged on the front side and the rear side of the top of the lower die plate 2 and used for positioning the conveying belt, the upper die plate 1 is provided with jacks corresponding to the material belt floating pins 8, and the material belt floating pins 8 are matched with the jacks;
the blanking die cavity 21, the stretching lower die 22, the bending lower die 23, the first shaping lower die 24, the first core-pulling bending lower die 25, the second core-pulling bending lower die 26, the second shaping lower die 27, the finished product blanking die cavity 28 and the waste cutting die cavity 29 at the top of the lower die plate 2 are respectively in one-to-one correspondence with the blanking punch 11, the stretching upper die 12, the bending upper die 13, the first shaping upper die 14, the first core-pulling bending upper die 15, the second core-pulling bending upper die 16, the second shaping upper die 17, the finished product cutting punch 18 and the waste cutting punch 19 at the bottom of the upper die plate 1;
the drawing lower die 22, the bending lower die 23, the shaping lower die 24, the core-pulling bending lower die 25, the core-pulling bending lower die 26, the shaping lower die 27, the finished product blanking die cavity 28, the drawing upper die 12, the bending upper die 13, the shaping upper die 14, the core-pulling bending upper die 15, the core-pulling bending upper die 16, the shaping upper die 17 and the finished product cutting punch 18 are all arranged in two side by side and are opposite in setting direction.
The implementation mode specifically comprises the following steps: the strip-shaped material belt is positioned and carried and conveyed through the material belt lifting pin 8, and in the conveying process, the material belt sequentially passes through a blanking station of the blanking die cavity 21 and the blanking punch 11, two stretching stations of the stretching lower die 22 and the stretching upper die 12, two bending stations of the bending lower die 23 and the bending upper die 13, two shaping stations of the shaping lower die 24 and the shaping upper die 14, a core-pulling bending station of the core-pulling lower die 25 and the core-pulling bending upper die 15, a core-pulling bending station of the core-pulling lower die 26 and the core-pulling bending upper die 16, two shaping stations of the shaping lower die 27 and the shaping upper die 17, two finished product cutting stations of the finished product blanking die cavity 28 and the finished product cutting punch 18, and a waste cutting station of the waste cutting die cavity 29 and the waste cutting punch 19;
when the strip-shaped material belt enters the blanking station, the front end of the material belt is matched and punched through the material belt punching die cavity 211 and the material belt punching upper die 111, the front end of the material belt is matched and cut through the first belt material side die cavity 212 and the first belt material side die 112, and the rear end of the material belt is matched and cut through the second belt material side die cavity 214 and the second belt material side die 114, so that the front edge and the rear edge of the material belt are cut into flexible belt material sides as shown in fig. 3 in the continuous conveying process of the material belt, and meanwhile, the material belt is matched and cut through the first blanking die cavity 213 and the first blanking upper die 113 to form an opening on a cutter shell, and corrugated grooves on two sides of the opening are matched and cut through the second blanking die cavity 215 and the second blanking upper die 115;
the whole material belt is provided with a flexible belt material edge (see figure 5) on two sides of the material belt through a blanking station, and then the opening of the material belt is cut through the blanking station in sequence; the back parts of the two side-by-side cutter shells are in a half-bending and half-stretching state through the two stretching stations, so that a thinner cutter edge position cannot generate multi-material wrinkles; two bending stations are used for enabling two sides of the material belt of the two cutter shells to form right angles with the bottom; performing primary shaping on the two bent material belts through a first shaping station; bending the material strips with the two side surfaces folded into right angles through a first core-pulling bending station and a second core-pulling bending station respectively to bend the two side plates of the cutter shell inwards, and forming the cutter shell preliminarily; re-shaping the two bent cutter shells through a second shaping station; finally, cutting the two ends of the formed cutter shell through a finished product cutting station to separate the cutter shell from the material belt, cutting and blanking waste materials at the two ends of the material belt through a waste material cutting station, and blanking the cut cutter shell finished product to one side of the lower die plate 2 in the continuous conveying process of the material belt, wherein a finished product diagram is shown in fig. 6 and 7;
in the embodiment, in the whole processing process, each time the upper die plate 1 is pressed down to be matched with the lower die plate 2, two cutter shells can be processed at the same time by utilizing the shape of the cutter shells, and the two cutter shells are arranged side by side and in opposite directions, so that the material belt can be completely utilized, and the processing efficiency is high;
the blanking punch 11 is matched with the blanking die cavity 21, a strip of easily deformed strip edge is formed at the corresponding position of the strip opening at the head of the cutter shell on the strip, after the blanking station, the back of the cutter shell is in a half-bending and half-stretching state through the stretching station, so that a plurality of material wrinkles can not occur at a thinner outlet edge, the inner space of the outlet edge of a blade is not excessively large, the positioning effect on the blade is not achieved, and the lamination protection on a punching plate is not needed, and the problems that the shrinkage is easy to occur due to insufficient length in the general punching process, the outlet edge is excessively large and the lamination protection is needed are solved;
when the stainless steel, the precoated plate and other materials which do not need to be coated for the second time are punched, the plate can be directly punched without a protective film for protection, and the punched cost can meet the quality requirement.
Furthermore, positioning through holes are formed in four corners of the bottom of the upper template 1, positioning long rods are fixedly arranged in four corners of the top of the lower template 2, the positioning long rods correspond to the positioning through holes and are matched with the positioning long rods, a plurality of positioning rods are fixedly arranged on the front side and the rear side of the bottom of the upper template 1, positioning holes are formed in the lower template 2 corresponding to the positioning rods, and the positioning rods are matched with the positioning holes;
through the cooperation of location stock and location through-hole and locating lever and locating hole, when making the upper die plate 1 and lower bolster 2 cooperation processing from top to bottom, the location precision is higher, uses for a long time can not take place the problem of locating deviation, is favorable to the high accuracy processing of sword shell.
Example 2:
the technical problems to be solved in this embodiment are:
1. the core pulling speed and the product precision are unstable.
The technical scheme for solving the technical problems is as follows:
as shown in fig. 1 and 3, a core-pulling assembly 3 and a quick exhaust valve 4 are arranged on the rear side of a first core-pulling bending lower die 25 and the front side of a second core-pulling bending lower die 26;
the core pulling assembly 3 comprises an air cylinder 31, a core pulling guide rail 32 and a core pulling die 33, the air cylinder 31 is fixedly arranged on one side of the top of the core pulling guide rail 32, the core pulling guide rail 32 is fixedly connected with the lower template 2, the core pulling die 33 is fixedly arranged at the end part of the air cylinder 31, the two core pulling dies 33 respectively extend into a first core pulling bending lower die 25 and a second core pulling bending lower die 26, the core pulling dies 33 are matched with the inner cavity of a cutter shell, bending lower sliders 34 are respectively arranged on the first core pulling bending lower die 25 and the second core pulling bending lower die 26 which correspond to the two sides of the core pulling die 33, and bending upper sliders 35 are respectively arranged on the two sides of the second core pulling bending upper die 16 and the first core pulling bending upper die 15 which correspond to the bending lower sliders 34;
two quick exhaust valves 4 are arranged on each cylinder 31, and the two quick exhaust valves 4 are respectively connected with an air inlet and an air outlet of each cylinder 31.
The implementation mode specifically comprises the following steps: when the material belt passes through the first core-pulling bending station and the second core-pulling bending station, the cylinder 31 is used as core-pulling power, the cylinder 31 drives the core-pulling die 33 to reciprocate in the core-pulling guide rail 32, the core-pulling die 33 is inserted into the two core-pulling bending lower dies 23 and just inserted into the bent cutter shell cavity, the cutter shell is supported, the machining precision is high, and the air inlet and the air outlet of the cylinder 31 are both provided with the quick exhaust valve 4, so that single action of core pulling can be completed within 0.2 seconds, and the requirement of quick production is met;
because the core pulling movement speed is high (the movement distance is 150mm in 0.2 seconds), the movement times are multiple (2400 back and forth parts per hour), the core pulling guide rail 32 is a precise linear guide rail, so that the effects of small resistance, smooth movement and long service life are achieved, the precision and the durability of the die are protected, and the problem of unstable core pulling speed and product precision is solved.
Example 3:
the technical problems to be solved in this embodiment are:
1. full-automatic stamping cannot be performed, manual duty is needed, and production cost is high;
2. when the single-punch die is produced, the production procedures are more, and the labor cost is high;
3. when the continuous die is produced, the die and the punch are not matched in place, and when the full-automatic unattended single-punch die production cannot be realized, the production procedures are more, and the labor cost is high.
The technical scheme for solving the 3 technical problems is as follows:
as shown in fig. 1, 2 and 3, the upper die plate 1 is further provided with a positioning strip position detecting needle 6 and a strip position detecting switch 7, one end of the lower die plate 2 near the scrap cutting die cavity 29 is provided with a strip position detecting switch 5 (in particular, a photoelectric switch), and the strip position detecting switch 7 and the strip position detecting switch 5 are connected with a control system of the punch press;
the two material belt punching die cavities 211 and the two material belt punching upper dies 111 are symmetrically arranged about the transverse center line of the material belt and are used for punching the front end and the rear end of the material belt;
the upper template 1 is equipped with a plurality of material area location contact pins 9 around the both sides evenly, the position that corresponds with material area location contact pin 9 on the lower bolster 2 is equipped with material area location contact pin hole 10, material area location contact pin 9 corresponds with the punching a hole on the material area, and material area location contact pin 9 runs through punching a hole and the movable joint of material area location contact pin hole 10.
The material belt positioning detection needle 6 is arranged on the upper template 1 and replaces one material belt positioning contact pin 9, the material belt positioning detection switch 7 is fixedly arranged on the front side of the upper template 1, and the material belt positioning detection switch 7 is electrically connected with the material belt positioning detection needle 6.
The implementation mode specifically comprises the following steps: in the production process, when the material belt is fed, firstly punching holes on the front side and the rear side through the cooperation of the material belt punching die cavity 211 and the material belt punching upper die 111, wherein the obtained punched holes are used for being matched with the material belt positioning pin holes 10 and the material belt positioning pins 9 in the later period for positioning the material belt, and in the material belt conveying processing process, the positioning material belt position detection pin 6 replaces the position of one material belt positioning pin 9 and is used for detecting whether the material belt is positioned accurately or not, and the working principle is that: the upper template 1 corresponding to the positioning material belt position detection needle 6 is provided with a needle cylinder, the positioning material belt position detection needle 6 is movably clamped in the needle cylinder, the top of the inner cavity of the needle cylinder is provided with a switch corresponding to the positioning material belt position detection needle 6, the switch and the material belt positioning detection switch 7 form a detection circuit through a cable and are used for sending a positioning signal to a control system of a punching machine, so that the detection of the material belt conveying precision is realized, when the material belt is not fed in place, the signal is sent to the control system of the punching machine, and the punching machine stops;
one side of the lower template 2 is provided with a material belt position detection switch 5, when the material belt is fed in place, the photoelectric switch detects that light is blocked, signals are sent to a punch control system, and the punch performs the next action;
the whole art knife shell mold can realize unattended full-automatic production during production, so that labor cost during production is saved, and the mold is provided with a plurality of groups of detection mechanisms so as to ensure the safety of the mold, meanwhile, the safety of debugging and operators is ensured, the risk is reduced, and the service life of the mold is ensured; the solution of film-free stamping reduces the cost of raw materials (film coating is not needed when sheets are purchased), so that the produced parts can be directly used, the film removing process is not needed, the cost is reduced, and the production benefit is improved; the full-automatic production is realized by the die, the dimensional accuracy of the product is ensured, and the problems that the manual ornament is easy to put in place, the dimensional accuracy is low and the production benefit is low are solved.
Example 4:
different from the embodiment 1-3, the photoelectric detection switch is arranged on the top surface of the lower template 2 corresponding to the bottom of the material belt, and is electrically connected with the punch press control system, when the material belt is deformed or a product is deformed, the photoelectric detection switch is blocked, and then the switch sends a signal to the punch press control system, the punch press stops, so that the problem of rapidly detecting the discharging belt is solved, and the problem of increasing the rejection rate of cutter shell processing caused by deformation of the material belt due to accidents is solved.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a no membrane punching press art designing sword shell mould, includes cope match-plate pattern (1) and lower bolster (2), lower bolster (2) set up in cope match-plate pattern (1) bottom, cope match-plate pattern (1) top fixedly connected with pneumatic cylinder, its characterized in that: the top of the lower die plate (2) is sequentially provided with a blanking die cavity (21), a stretching lower die (22), a bending lower die (23), a first shaping lower die (24), a first core-pulling bending lower die (25), a second core-pulling bending lower die (26), a second shaping lower die (27), a finished product blanking die cavity (28) and a waste cutting die cavity (29) from left to right, the bottom of the upper die plate (1) is sequentially provided with a blanking punch (11), a stretching upper die (12), a bending upper die (13), a first shaping upper die (14), a first core-pulling bending upper die (15), a second core-pulling bending upper die (16), a second shaping upper die (17), a finished product cutting punch (18) and a waste cutting punch (19) from left to right;
the blanking die cavity (21) comprises a material belt punching die cavity (211), a first material belt side die cavity (212), a first blanking die cavity (213), a second material belt side die cavity (214) and a second blanking die cavity (215) which are sequentially arranged from left to right, wherein the first material belt side die cavity (212) and the second material belt side die cavity (214) are respectively arranged at the front end of one side and the rear end of the other side of the first blanking die cavity (213);
the blanking punch (11) comprises a material belt punching upper die (111), a first belt material side die (112), a first blanking upper die (113), a second belt material side die (114) and a second blanking upper die (115) which are sequentially arranged from left to right, wherein the material belt punching upper die (111), the first belt material side die (112), the first blanking upper die (113), the second belt material side die (114) and the second blanking upper die (115) are respectively in one-to-one correspondence with a material belt punching die cavity (211), a first belt material side die cavity (212), a first blanking die cavity (213), a second belt material side die cavity (214) and a second blanking die cavity (215);
the rear side of the first core-pulling bending lower die (25) and the front side of the second core-pulling bending lower die (26) are respectively provided with a core-pulling assembly (3) and a quick exhaust valve (4);
the upper die plate (1) is also provided with a positioning material belt position detection needle (6) and a material belt positioning detection switch (7), one end of the lower die plate (2) close to the waste cutting die cavity (29) is provided with a material belt position detection switch (5), and the material belt positioning detection switch (7) and the material belt position detection switch (5) are connected with a control system of the punch press;
the blanking die cavity (21), the stretching lower die (22), the bending lower die (23), the shaping lower die (24), the core-pulling bending lower die (25), the core-pulling bending lower die (26), the shaping lower die (27), the finished product blanking die cavity (28) and the waste cutting die cavity (29) at the top of the lower die plate (2) are respectively in one-to-one correspondence with the blanking punch (11), the stretching upper die (12), the bending upper die (13), the shaping upper die (14), the core-pulling bending upper die (15), the core-pulling bending upper die (16), the shaping upper die (17), the finished product cutting punch (18) and the waste cutting punch (19) at the bottom of the upper die plate (1);
the core-pulling assembly (3) comprises an air cylinder (31), a core-pulling guide rail (32) and a core-pulling die (33), wherein the air cylinder (31) is fixedly arranged on one side of the top of the core-pulling guide rail (32), the core-pulling guide rail (32) is fixedly connected with a lower template (2), the core-pulling die (33) is fixedly arranged at the end part of the air cylinder (31), the two core-pulling dies (33) respectively extend into a core-pulling bending lower die (25) and a core-pulling bending lower die (26) respectively, the core-pulling dies (33) are matched with the inner cavity of a cutter shell, bending lower sliders (34) are respectively arranged on the core-pulling bending lower die (25) and the core-pulling bending lower die (26) corresponding to the two sides of the core-pulling die (33), and bending upper sliders (35) are respectively arranged on the two sides of the core-pulling bending upper die (16) and the core-pulling upper die (15) corresponding to the bending lower sliders (34);
two quick exhaust valves (4) are arranged on each cylinder (31), and the two quick exhaust valves (4) are respectively connected with an air inlet and an air outlet of each cylinder (31).
2. The film-less stamping utility knife shell mold of claim 1, wherein: the locating device is characterized in that locating through holes are formed in four corners of the bottom of the upper template (1), locating long rods are fixedly arranged at four corners of the top of the lower template (2), the locating long rods correspond to the locating through holes and are matched with the locating through holes, a plurality of locating rods are fixedly arranged on the front side and the rear side of the bottom of the upper template (1), locating holes are formed in the lower template (2) corresponding to the locating rods, and the locating rods are matched with the locating holes.
3. The film-less stamping utility knife shell mold of claim 1, wherein: the front side and the rear side of the top of the lower template (2) are respectively provided with a row of material belt floating pins (8) for positioning a conveying belt, the upper template (1) is provided with jacks corresponding to the material belt floating pins (8), and the material belt floating pins (8) are matched with the jacks.
4. The film-less stamping utility knife shell mold of claim 1, wherein: the material belt punching die cavities (211) and the material belt punching upper dies (111) are two and are symmetrically arranged about the transverse center line of the material belt and used for punching the front end and the rear end of the material belt.
5. The film-less stamping utility knife shell mold of claim 1, wherein: the upper die plate (1) is characterized in that a plurality of material belt positioning pins (9) are uniformly arranged on the front side and the rear side of the upper die plate (1), material belt positioning pin holes (10) are formed in positions, corresponding to the material belt positioning pins (9), of the lower die plate (2), the material belt positioning pins (9) correspond to punching holes in the material belt, and the material belt positioning pins (9) penetrate through the punching holes and are movably clamped with the material belt positioning pin holes (10).
6. The film-less stamping utility knife shell mold of claim 1, wherein: the positioning material belt position detection needle (6) is arranged on the upper template (1) in a mode of being one and replacing one material belt positioning contact pin (9), the material belt positioning detection switch (7) is fixedly arranged on the front side of the upper template (1), and the material belt positioning detection switch (7) is electrically connected with the positioning material belt position detection needle (6).
7. The film-less stamping utility knife shell mold of claim 1, wherein: the drawing lower mould (22), the lower mould (23) of bending, plastic lower mould (24), the lower mould (25) of bending of loosing core No. one, the lower mould (26) of bending of loosing core No. two, plastic lower mould (27) No. two, finished product blanking die cavity (28), mould (12) are gone up in the drawing, mould (13) are gone up in the bending, mould (14) are gone up in the plastic of No. one, mould (15) are gone up in the bending of loosing core No. one, mould (16) are gone up in the bending of loosing core No. two, mould (17) and finished product cutting punch (18) are gone up in the plastic of No. two all being provided with two side by side, and set up the opposite direction.
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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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