CN112828144B - Continuous stamping die of small accurate communication subassembly jack edge rolling - Google Patents
Continuous stamping die of small accurate communication subassembly jack edge rolling Download PDFInfo
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- CN112828144B CN112828144B CN202011623301.1A CN202011623301A CN112828144B CN 112828144 B CN112828144 B CN 112828144B CN 202011623301 A CN202011623301 A CN 202011623301A CN 112828144 B CN112828144 B CN 112828144B
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- 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
- B21D37/08—Dies with different parts for several steps in a process
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- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a continuous stamping die for tiny precise communication assembly jack edge rolling, which comprises a blanking assembly and a forming assembly, wherein the blanking assembly and the forming assembly respectively comprise an upper die base and a lower die base, the upper die base is sequentially provided with an upper base plate, an upper clamping plate, a stop plate and a stripper plate from top to bottom, the lower die base is sequentially provided with a lower base plate and a lower die plate from bottom to top, the tail ends of the blanking assembly and the forming assembly are respectively provided with a material puller, the stripper plate and the lower die plate of the blanking assembly are provided with blanking modules, and the stripper plate and the lower die plate of the forming assembly are provided with forming modules. The continuous progressive die comprises all machining procedures of bending, cutting and edge rolling of the jack of the precision communication assembly, one set of die realizes continuous production of cutting and edge rolling of the jack of the precision communication assembly, and the continuous progressive die has the processes of precision blanking, bending, piercing, adjusting and the like, can ensure the appearance and size of a product, saves the cost, solves the problem of electroplating, and improves the efficiency.
Description
Technical Field
The invention relates to the technical field of mechanical dies, in particular to a continuous stamping die for rolling a small precise communication assembly jack.
Background
As shown in fig. 1, it is a small precise communication component jack, which has the following features: 1. the material is thin; 2. the outer diameter of the product is small; 3. the precision of the outer diameter dimension is high; 4. the accuracy of the outer diameter of the barb is high; 5. the inner hole is small and cannot be plated with thick gold. Namely, the material is thin, the outer diameter is small, three evenly distributed barbs are required to be formed by puncturing the insertion holes, and meanwhile, thick gold is required to be electroplated. The existing production process generally comprises three steps of puncturing to form three barbs, rolling and electroplating. The production difficulty of the product is very high, when the existing production process forms the rolling circle after puncture, the position avoidance of parts can cause that the rolling circle cannot reach the product, the manufacturing and maintenance cost of the existing mould is also very high, the quick mass production is difficult to realize, the production cost of enterprises is high, the production period of the product is prolonged, and the enterprise efficiency is reduced.
Disclosure of Invention
The invention aims to provide a continuous stamping die for tiny precise communication assembly jack rolling, which well solves the problems, has a simple structure, comprises continuous progressive dies for all processing procedures of precise communication assembly jack bending, cutting and rolling manufacturing, realizes continuous production of precise communication assembly jack cutting and rolling by one set of die, realizes the function of producing qualified finished terminals by two copper material strips by one set of die, has the processes of precise blanking, bending, piercing, adjusting and the like, can ensure the appearance and the size of a product, saves the cost, solves the problem of electroplating, and improves the efficiency.
The technical scheme is that the continuous stamping die for the jack edge rolling of the micro precise communication assembly comprises a blanking assembly and a forming assembly, wherein the blanking assembly and the forming assembly respectively comprise an upper die base and a lower die base, the upper die base is sequentially provided with an upper base plate, an upper clamping plate, a stop plate and a stripper plate from top to bottom, the lower die base is sequentially provided with a lower base plate and a lower die plate from bottom to top, the tail ends of the blanking assembly and the forming assembly are respectively provided with a material puller, the stripper plate and the lower die plate of the blanking assembly are provided with a blanking module, and the stripper plate and the lower die plate of the forming assembly are provided with a forming module.
Furthermore, an edge cutting and circular hole punching die and a waste material cutting die are sequentially arranged on the blanking module.
Furthermore, the forming module is sequentially provided with a trimming and rib pressing die, a forming R/4 die, a first puncturing adjusting die, a bottom R 'V' bending die for 100 degrees, a second puncturing die, a second puncturing adjusting die, a forming and rounding die, a lower waste material fan-shaped adjusting die and a twisting die.
Furthermore, the upper clamping plate, the stripper plate and the lower template are positioned, guided and matched through the inner guide pillar and the inner guide sleeve.
Furthermore, the stripper plate is also provided with a positioning needle.
Furthermore, a floating pin is arranged on the lower template.
Furthermore, the material puller comprises a transmission gear and a power punch for providing power for the transmission gear, wherein a ratchet wheel is fixedly connected to the transmission gear, and positioning columns for pulling the material belt are uniformly distributed on the ratchet wheel.
Further, the first puncture mold comprises two puncture needles.
Furthermore, the first piercing adjusting die, the forming rolling die and the lower waste material fan-shaped adjusting die are all provided with avoiding grooves.
Furthermore, an electroplating assembly is arranged between the blanking assembly and the forming assembly.
The beneficial effects of the invention are:
1) The production process of the small precise communication assembly jack is designed into three parts of blanking, electroplating and forming, the blanking assembly and the forming assembly respectively correspond to the blanking and forming processes, and a continuous stamping die is adopted to carry out blanking and forming on the material belt, so that the production difficulty is reduced, the appearance and the size of a product are ensured, the production quality is improved, the production cost is reduced, and the production efficiency is improved;
2) The blanking component and the forming component respectively carry out blanking and forming procedures on the two material belts, even if the first strip of the blanking component carries out blanking on the material belts and the second strip of electroplated material forms a rolling material belt, one set of die can produce precise communication component jack forming rolling cut products of at most two processes, and the problem that the prior process cannot carry out electroplating after forming due to too small inner holes is solved;
3) And the material puller is adopted to intermittently pull and move the material belt on the blanking assembly and the forming assembly of the continuous stamping die, so that the whole production process can be continuously carried out, high-speed feeding is realized, and the production efficiency is improved.
Drawings
FIG. 1 is a side and front view of a part of the present invention to be produced;
FIG. 2 is a schematic view of the structure of the mold of the present invention;
FIG. 3 is a schematic view of the structure of the drawer of the present invention;
FIG. 4 is a schematic structural view of the feeding assembly of the present invention;
FIG. 5-1 is a schematic front view of the strip of material as it is formed in the assembly of the present invention;
fig. 5-2 is a schematic view of the rear portion of the strip of material in the forming assembly of the present invention;
FIG. 6 is a schematic structural view of the edge cutting and rib pressing mold and the shape of the part in the present invention;
FIG. 7 is a schematic structural view of the R/4 mold and the shape of the part to be molded according to the present invention;
FIG. 8 is a schematic view of a first piercing mold and the shape of the part according to the present invention;
FIG. 9 is a schematic view of a first piercing adjustment die and the shape of the components of the present invention;
FIG. 10 is a schematic view of the structure of the bottom R "V" folded by 100 degrees of the mold and the shape of the part;
FIG. 11 is a schematic structural view of a second piercing mold and part shape according to the present invention;
FIG. 12 is a schematic view of a second piercing adjustment die and the shape of the components of the present invention;
FIG. 13 is a schematic view of the forming and rolling mold and the shape of the parts of the present invention;
FIG. 14 is a schematic view of the lower scrap fan-shaped mold and the shape of the parts according to the present invention;
in the figure: 1. a material belt; 2. an upper die holder; 3. a lower die holder; 4. an upper base plate; 5. an upper splint; 6. a stopper plate; 7. a material removing plate; 8. a lower base plate; 9. a lower template; 10. trimming and punching a circular hole die; 11. cutting a waste die; 12. trimming and rib pressing dies; 13. forming an R/4 mould; 14. a first piercing die; 15. a first piercing adjustment die; 16. the bottom R 'V' is folded by 100 degrees; 17. a second piercing die; 18. a second piercing adjustment die; 19. forming a rolling die; 20. discharging a waste material fan-shaped mould; 21. twisting a mould; 22. an inner guide post; 23. an inner guide sleeve; 24. a positioning pin; 25. a floating pin; 26. a transmission gear; 27. a powered ram; 28. a ratchet wheel; 29. a positioning column; 30. a puncturing needle; 31. and a position avoiding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 14, the invention provides a continuous stamping die for tiny precision communication component jack edge rolling, which comprises a blanking component and a forming component, wherein the blanking component and the forming component both comprise an upper die holder 2 and a lower die holder 3, the upper die holder 2 is sequentially provided with an upper padding plate 4, an upper clamping plate 5, a stop plate 6 and a stripper plate 7 from top to bottom, the lower die holder 3 is sequentially provided with a lower padding plate 8 and a lower die plate 9 from bottom to top, the tail ends of the blanking component and the forming component are respectively provided with a material puller, the stripper plate 7 and the lower die plate 9 of the blanking component are provided with blanking modules, and the stripper plate 7 and the lower die plate 9 of the forming component are provided with forming modules.
Namely, the upper backing plate 4 is fixed on the upper clamp plate 5, the upper clamp plate 5 and the upper backing plate 4 are fixed on the upper die holder 2 together, the stop plate 6 is fixed on the stripper plate 7, and the lower backing plate 8 is fixed on the lower die plate 9 and then fixed on the lower die holder 3 together. The upper clamping plate 5, the stripper plate 7 and the lower template 9 are positioned, guided and matched through an inner guide post 22 and an inner guide sleeve 23. Namely, the upper clamping plate 5, the stripper plate 7 and the lower template 9 are in guide fit through the inner guide post 22 and the inner guide sleeve 23. The stripper plate 7 is further provided with a positioning needle 24. The lower template 9 is provided with a floating pin 25. The material belt 1 is kept accurately positioned with the lower template 9 through the positioning needles 24, the lower template 9 is designed with floating pins 25, and the material belt 1 is separated from the surface of the lower template 9, so that the material puller drives the material belt 1 to convey to the next procedure. Be provided with compression spring in the flotation pin 25, when taking off flitch 7 to push down promptly, drive material area 1 and push down on flotation pin 25, flotation pin 25 descends in lower bolster 9, and when taking off flitch 7 back that rises, material area 1 does not have the pressure of pushing down, and flotation pin 25 upwards plays under compression spring's effect, and jacking material area 1 breaks away from lower bolster 9.
And the upper clamping plate 5 is provided with male dies of all the procedures of bending and cutting the jack of the precision communication assembly from the beginning of feeding, and the male dies are fixed on the upper clamping plate 5. And male die guide parts for producing all procedures of bending and cutting the jacks of the precision communication assembly are sequentially arranged on the stripper plate 7 from the feed end. The stripper plate 7 is provided with a positioning needle 24 for guiding and positioning the material belt 1, the positioning needle is matched with a positioning hole in the material belt 1 to ensure the position precision of a product, a lower template 9 is provided with female dies for producing all procedures of bending and cutting jacks of the precision communication assembly from a feeding end, and the male dies correspond to the female dies one to one.
And the blanking module is sequentially provided with an edge cutting and circular hole punching die 10 and a waste material cutting die 11. The raw material of the jack of the micro precise communication component produced by the invention is a regular material belt 1, the material belt 1 is subjected to processes of trimming, punching round holes and the like under the action of a blanking component, and the punched round holes are matched with the positioning needles 24 and the positioning columns 29 on the rear material puller. As shown in fig. 4, the blanking module has four processes of trimming and punching round holes twice and cutting waste materials twice. The specific structure of the trimming and punching circular hole die 10 comprises a circular hole punch fixed on the stripper plate 7 and a die hole correspondingly fixed on the lower die plate 9, and the specific structure of the waste cutting die 11 comprises a cutter fixed on the stripper plate 7 and a waste chute correspondingly fixed on the lower die plate 9. The arrow direction is the advancing direction of the material belt 1.
As shown in fig. 5-1 and 5-2, the forming module is sequentially provided with an edge cutting and rib pressing die 12, a forming R/4 die 13, a first puncturing die 14, a first puncturing adjusting die 15, a bottom R "V" folding 100 ° die 16, a second puncturing die 17, a second puncturing adjusting die 18, a forming edge rolling die 19, a scrap discharging fan-shaped die 20, and a twisting die 21. The forming die set comprises ten processes of trimming and pressing ribs, forming R/4, first piercing adjustment, bottom R 'V' folding by 100 degrees, second piercing adjustment, forming and rolling, waste material discharging and sector adjusting, and twisting. Namely, the continuous stamping die for the jack rolling of the micro precision communication assembly has 14 working procedure structures which are respectively arranged on two product material belts 1, for example, a blanking material belt 1 is shown in fig. 4, and a forming material belt 1 is shown in fig. 5-1 and 5-2. The forming R/4 treatment is firstly carried out before the puncture, the first barb and the third barb are formed by the puncture during the first puncture, the partial rolling of the middle is adjusted, the second barb is formed by the puncture, and the rolling is adjusted finally, so that the problem that the time-to-time circle is deformed during the puncture in the process of rolling the circle firstly and then puncturing the circle is solved, and the problem that the barb is deformed during the rolling of the circle after the puncture is solved. As shown in fig. 6-14, the specific structure of the trimming and ribbing mold 12 includes a press roller fixed on the stripper plate 7 and a groove correspondingly fixed on the lower mold plate 9; the specific structure of the forming R/4 die 13 comprises two end press rolls fixed on the stripper plate 7 and a groove correspondingly fixed on the lower die plate 9; the first puncture mold 14 comprises a puncture needle 30 fixed on the stripper plate 7 and a forming groove correspondingly fixed on the lower template 9; the first piercing adjustment die 15 comprises a compression roller fixed on the stripper plate 7 and a groove correspondingly fixed on the lower template 9; the specific structure of the die 16 with the bottom R 'V' folded by 100 degrees comprises a round roller fixed on the stripper plate 7 and a V-shaped groove correspondingly fixed on the lower template 9; the second puncture mould 17 comprises a puncture needle 30 fixed on the stripper plate 7 and a forming groove correspondingly fixed on the lower template 9; the second piercing adjustment die 18 has a specific structure comprising a press roll fixed on the stripper plate 7 and a groove correspondingly fixed on the lower template 9; the forming and rounding die 19 comprises a circular groove fixed on the stripper plate 7 and a convex circular groove correspondingly fixed on the lower template 9; the lower waste material fan-shaped adjusting mold 20 comprises a fan-shaped circular groove fixed on the stripper plate 7 and a groove correspondingly fixed on the lower template 9; the twisting die 21 comprises a pressure rod fixed on the stripper plate 7 and a trough correspondingly fixed on the lower template 9. The arrow direction is the advancing direction of the material belt 1.
As shown in fig. 3, the material puller includes a transmission gear 26 and a power punch 27 for providing power to the transmission gear 26, a ratchet 28 is fixedly connected to the transmission gear 26, and positioning posts 29 for pulling the material tape 1 are uniformly distributed on the ratchet 28. The power punch 27 is driven by a punch press or a hydraulic telescopic rod, and the like, the power punch 27 intermittently pushes the transmission gear 26 to rotate at a constant speed, so that the ratchet 28 of the belt rotates, and the positioning column 29 on the ratchet 28 intermittently penetrates through the positioning hole on the material belt 1 at a constant speed, so that the material belt 1 is pulled to move intermittently at a constant speed forward. Namely, the punch press is adopted to drive the transmission gear 26 to pull the material, and the existing punch press feeder is not needed for feeding the material. The pulling is more reliable and is particularly suitable for the condition that the material belt 1 is thinner. The transmission gear 26 is rotatably arranged on the lower die holder 3, and the power punch 27 is an additional punch press and provides power for the transmission gear 26.
The first puncture mold 14 includes two puncture needles 30. That is, in a pressing process, the former lancet 30 pierces to form the first barb of the first part, the second lancet 30 pierces to form the third barb of the second part, and the two lancets 30 are spaced apart to pierce the parts, thereby avoiding the parts from being deformed due to too close parts during piercing.
The first piercing and adjusting mold 15, the forming and rolling mold 19 and the lower waste material adjusting sector mold 20 are all provided with a position avoiding groove 31. When first puncture adjustment, lower waste material fan-shaped and beat the distortion promptly, when the edge rolling, keep away the protection to corresponding barb, avoid it to be pressed the deformation.
An electroplating assembly is further arranged between the blanking assembly and the forming assembly. The electroplating assembly is an existing electroplating technology, the material belt 1 subjected to blanking of the blanking assembly is directly electroplated, the forming assembly is used for carrying out forming and rounding processing on the electroplated material belt 1, the process of electroplating after rounding is changed, the electroplating effect is better, and the problem that the traditional process cannot be electroplated due to the fact that an inner hole is too small after forming is solved.
The continuous stamping die for rolling the small precise communication component jacks has the precise blanking, precise bending and adjusting and pulling processes of the precise communication component jacks, and a set of continuous dies can directly and efficiently produce products. The continuous die is precisely blanked from the beginning, and the plated materials are secondarily punched and rolled, punctured and adjusted after blanking, so that the bending and rolling of the product can be more stable; and the last material pulling mechanism ensures that the material belt 1 can stably advance in the die at a high speed in the whole production process of the thin material.
The specific working principle is as follows: the continuous stamping die is arranged on a press bed with the tonnage of 30Ton or more, an upper slide block of the press drives an upper die holder 2 to move up and down to stamp a workpiece, each station finishes one working procedure every time stamping, a part is produced at the last station, then two material belts 1 advance by a unit distance along arrows shown in figures 4 and 5-1 and 5-2, and stamping is carried out, so that continuous production is realized.
The production process of the small precise communication assembly jack is designed into three parts of blanking, electroplating and forming, the blanking assembly and the forming assembly respectively correspond to the blanking and forming processes, and a continuous stamping die is adopted to carry out blanking and forming on the material belt 1, so that the production difficulty is reduced, the appearance and the size of a product are ensured, the production quality is improved, the production cost is reduced, and the production efficiency is improved; the blanking assembly and the forming assembly respectively perform blanking and forming processes on the two material belts 1, even if the first material belt 1 is blanked and the second electroplated material belt 1 is formed into a rolled material belt, one set of die can produce precise communication assembly jack forming rolled cut products of at most two processes, and the problem that the prior art cannot be electroplated after being formed due to too small inner hole is solved; the material puller is adopted to intermittently pull and move the material belt 1 on the blanking assembly and the forming assembly of the continuous stamping die, so that the whole production process can be continuously carried out, high-speed feeding is realized, and the production efficiency is improved.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a continuous stamping die of small accurate communication subassembly jack edge rolling which characterized in that: the blanking assembly and the forming assembly respectively comprise an upper die base (2) and a lower die base (3), wherein the upper die base (2) is sequentially provided with an upper padding plate (4), an upper clamping plate (5), a stop plate (6) and a stripper plate (7) from top to bottom, the lower die base (3) is sequentially provided with a lower padding plate (8) and a lower die plate (9) from bottom to top, the tail ends of the blanking assembly and the forming assembly are respectively provided with a material puller, the stripper plate (7) and the lower die plate (9) of the blanking assembly are provided with blanking modules, and the stripper plate (7) and the lower die plate (9) of the forming assembly are provided with forming modules;
the blanking die set is sequentially provided with a trimming and round hole punching die (10) and a waste material cutting die (11), the forming die set is sequentially provided with a trimming and pressing rib die (12), a forming R/4 die (13), a first piercing die (14), a first piercing adjusting die (15), a bottom R 'V' folding 100-degree die (16), a second piercing die (17), a second piercing adjusting die (18), a forming edge rolling die (19), a lower waste material adjusting fan-shaped die (20) and a twisting die (21), and the first piercing die (14) comprises two piercing needles (30).
2. The continuous stamping die for curling tiny precise communication component jacks according to claim 1, wherein: the upper clamping plate (5), the stripper plate (7) and the lower template (9) are in positioning, guiding and matching through an inner guide post (22) and an inner guide sleeve (23).
3. The continuous stamping die for tiny precision communication assembly jack rolling according to claim 1, wherein: the stripper plate (7) is also provided with a positioning needle (24).
4. The continuous stamping die for tiny precision communication assembly jack rolling according to claim 1, wherein: and the lower template (9) is provided with a floating pin (25).
5. The continuous stamping die for tiny precision communication assembly jack rolling according to claim 1, wherein: the material puller comprises a transmission gear (26) and a power punch (27) for providing power for the transmission gear (26), a ratchet wheel (28) is fixedly connected to the transmission gear (26), and positioning columns (29) for pulling the material belt (1) are uniformly distributed on the ratchet wheel (28).
6. The continuous stamping die for tiny precision communication assembly jack rolling according to claim 1, wherein: and the first piercing adjusting die (15), the forming rolling die (19) and the lower waste material fan-shaped adjusting die (20) are respectively provided with an avoiding groove (31).
7. The continuous stamping die for tiny precision communication assembly jack rolling according to claim 1, wherein: an electroplating assembly is further arranged between the blanking assembly and the forming assembly.
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| CN107735143A (en) * | 2015-08-19 | 2018-02-23 | 花王株式会社 | Micro crowning utensil and its manufacture method |
| CN110165428A (en) * | 2019-05-29 | 2019-08-23 | 东莞市鸿儒连接器有限公司 | A kind of Pierce type electrical connector |
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