CN112828144B - A continuous stamping die for rounding the jacks of tiny and precise communication components - Google Patents

Abstract

The invention discloses a continuous stamping die for rounding the socket of a micro-precision communication component, which includes a blanking component and a forming component. Both the blanking component and the forming component include an upper mold base and a lower mold base, and the upper mold base is from top to bottom. The upper backing plate, upper splint, stop plate and stripping plate are installed in sequence, the lower backing plate and the lower template are installed in sequence from bottom to top on the lower mold base, and the end of the blanking component and the forming component are equipped with pullers. A blanking module is arranged on the stripping plate and the lower template of the material component, and a forming module is arranged on the stripping plate and the lower template of the forming component. It includes continuous progressive molds for all processing steps of precision communication component jack bending, cutting, and rolling. A set of molds realizes the continuous production of precision communication component jack cutting and rolling. It has precision blanking, bending, Piercing, adjustment, and other processes can ensure the shape and size of the product, save costs, solve electroplating problems, and improve efficiency.

Description

A continuous stamping die for rounding the socket of tiny and precise communication components

technical field

The invention relates to the technical field of mechanical moulds, in particular to a continuous punching die for rounding the sockets of micro precision communication components.

Background technique

As shown in Figure 1, it is a tiny and precise communication component jack, which has the following characteristics: 1. The material is thin; 2. The outer diameter of the product is small; 3. The outer diameter has high precision; 4. The barbed outer diameter has high precision; 5. The inner hole is small and cannot be electroplated with thick gold. That is, the material is thin, the outer diameter is small, and three evenly distributed barbs need to be pierced on the socket, and thick gold plating is also required. In the existing production process, three punctures are generally performed first to form three barbs, and then rolling is performed, and finally electroplating is performed. It is very difficult to produce such a product. In the existing production process, when the roll is formed after piercing, the part avoids the position and the product is not in place. The cost of the existing mold manufacturing and maintenance is also very high, and it is difficult to achieve fast This will lead to high production costs, prolong the production cycle of products, and reduce the efficiency of enterprises.

Contents of the invention

The purpose of the present invention is to provide a continuous stamping die for rolling the sockets of tiny precision communication components, which solves the above problems very well. The continuous progressive mold of the process, a set of molds realizes the continuous production of precision communication component socket cutting and rolling, realizes the function of producing qualified finished terminals with two copper material strips in a set of molds, and has precision blanking, bending, piercing And adjustment, and other processes can ensure the shape and size of the product, save costs, solve electroplating problems, and improve efficiency.

The technical solution of the present invention is a continuous stamping die for rounding the sockets of tiny and precise communication components, including a blanking assembly and a forming assembly, both of which include an upper mold base and a lower mold base, and the upper mold base The mold base is sequentially installed with an upper backing plate, an upper splint, a stop plate and a stripper plate from top to bottom, and the lower mold base is sequentially equipped with a lower backing plate and a lower template from bottom to top, and the blanking assembly and the molding assembly Pullers are installed at the ends of each, the stripping plate and the lower template of the blanking assembly are provided with a blanking module, and the stripping plate and the lower template of the forming assembly are provided with a forming module.

Further, the blanking module is provided with trimming round hole dies and scrap cutting dies in sequence.

Further, the forming die set is provided with trimming and pressing rib mold, forming R/4 mold, first piercing mold, first piercing adjustment mold, bottom R "V" folding 100° mold, second piercing mould, etc. Breaking mold, second puncture adjustment mold, forming roll mold, lower waste material adjusting fan mold, punching and twisting mold.

Further, the upper splint, the stripper plate and the lower formwork are positioned and guided through the inner guide column and the inner guide sleeve.

Further, positioning pins are also arranged on the stripping plate.

Further, floating material pins are arranged on the lower template.

Further, the puller includes a transmission gear and a power punch for providing power to the transmission gear, a ratchet is fixedly connected to the transmission gear, and positioning columns for pulling the material belt are evenly distributed on the ratchet.

Further, the first piercing mold includes two piercing needles.

Further, the first piercing adjustment mold, the forming rolling mold and the lower waste material adjusting fan-shaped mold are all provided with escape grooves.

Further, an electroplating assembly is also arranged between the blanking assembly and the forming assembly.

The beneficial effects of the present invention are:

1). In the present invention, the production process of the micro-precision communication component socket is designed into three parts: blanking, electroplating, and forming. The blanking component and the forming component correspond to the blanking and forming processes respectively, and the continuous stamping die is used to blank the strip and forming, which reduces the difficulty of production, ensures the shape and size of the product, improves the production quality, reduces the production cost and improves the production efficiency;

2). The blanking component and the forming component perform the blanking and forming process on the two strips respectively, even if the first strip is blanked, and the second strip is formed after electroplating, a set of molds can Produce up to two processes of precision communication component socket forming, rolling and cutting products, which solves the problem that the existing process cannot be electroplated after forming because the inner hole is too small;

3). Both the blanking component and the forming component of the continuous stamping die use a puller to intermittently pull and migrate the material belt, so that the entire production process can be carried out continuously, realizing high-speed feeding and improving production efficiency.

Description of drawings

Fig. 1 is the side view and the front view of the parts that the present invention needs to produce;

Fig. 2 is the structural representation of mold among the present invention;

Fig. 3 is the structural representation of puller in the present invention;

Fig. 4 is the schematic structural view of the material belt in the present invention when it is in the blanking assembly;

Figure 5-1 is a schematic diagram of the front structure of the material belt in the present invention when forming components;

Figure 5-2 is a schematic diagram of the rear structure of the material belt in the present invention when forming components;

Fig. 6 is the structural representation of trimming bead mold and parts shape in the present invention;

Fig. 7 is the structural representation of molding R/4 mold and part shape among the present invention;

Fig. 8 is a structural schematic diagram of the first piercing mold and the shape of parts in the present invention;

Fig. 9 is a structural schematic diagram of the first piercing adjustment mold and the shape of parts in the present invention;

Fig. 10 is the structural representation of the bottom R "V" folded 100 ° mold and part shape in the present invention;

Fig. 11 is a schematic structural view of the second piercing mold and the shape of parts in the present invention;

Fig. 12 is a structural schematic diagram of the second piercing adjustment mold and the shape of parts in the present invention;

Fig. 13 is the structural schematic view of forming roll die and parts shape among the present invention;

Fig. 14 is the structural schematic diagram of the fan-shaped die and the shape of parts in the middle and lower waste material adjustment of the present invention;

In the figure: 1. material belt; 2. upper mold base; 3. lower mold base; 4. upper backing plate; 5. upper splint; 6. stop plate; 7. stripper plate; 1. Lower template; 10. Die for trimming and punching round holes; 11. Die for cutting waste; 12. Die for trimming and pressing ribs; 13. Mold for forming R/4; 14. Die for first puncture; Mold; 16. Bottom R "V" folding 100° mold; 17. Second puncture mold; 18. Second puncture adjustment mold; 19. Forming roll mold; Mold; 22, inner guide post; 23, inner guide sleeve; 24, positioning pin; 25, floating material pin; 26, transmission gear; 27, power punch; 28, ratchet wheel; 29, positioning column; 30, piercing needle ; 31, avoidance groove.

Detailed ways

In order to make the purpose, 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 in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inside" and so on are based on the orientation or positional relationship shown in the drawings, or the Orientation or positional relationship that is conventionally placed is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to the present invention. Invention Limitations.

In addition, the terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in Figures 1-14, the present invention provides a continuous stamping die for rolling the hole of a tiny precision communication component, including a blanking component and a forming component, and the blanking component and the forming component both include an upper mold base 2 and The lower mold base 3, the upper mold base 2 is sequentially equipped with an upper backing plate 4, an upper splint 5, a stopper plate 6 and a stripping plate 7 from top to bottom, and the lower mold base 3 is sequentially installed with a lower mold base 3 from bottom to top. The backing plate 8 and the lower template 9, the end of the blanking assembly and the forming assembly are equipped with a puller, the stripping plate 7 and the lower template 9 of the blanking assembly are provided with a blanking module, and the forming A forming die set is arranged on the stripping plate 7 and the lower template 9 of the assembly.

That is, the upper backing plate 4 is fixed on the upper splint 5, the upper splint 5 and the upper backing plate 4 are fixed on the upper mold base 2, the stop plate 6 is fixed on the stripper plate 7, and the lower backing plate 8 is fixed on the lower template 9, Be fixed on the lower mold base 3 together again. The upper splint 5 , the stripper plate 7 and the lower template 9 are positioned and guided by the inner guide post 22 and the inner guide sleeve 23 . That is, the upper splint 5 and the stripper plate 7 and the lower template 9 are guided and matched through the inner guide post 22 and the inner guide sleeve 23 . Positioning pins 24 are also arranged on the stripping plate 7 . Float pins 25 are arranged on the lower template 9 . The material belt 1 maintains accurate positioning with the lower template 9 through the positioning pin 24, and the lower template 9 is designed with a floating pin 25, which separates the material belt 1 from the surface of the lower template 9 to facilitate the puller to drive the material belt 1 to the next process. The floating material pin 25 is provided with a compression spring, that is, when the stripping plate 7 is pressed down, the belt 1 is driven to press down on the floating material pin 25, and the floating material pin 25 descends into the lower template 9, and when the stripping plate 7 rises Finally, the material belt 1 has no downward pressure, and the floating material pin 25 bounces upward under the effect of the compression spring, jacking the material belt 1, and breaking away from the lower template 9.

The upper clamping plate 5 is provided with punches for all processes of precision communication component socket bending and cutting from the feeding, and the punches are fixed on the upper clamping plate 5 . On the stripping plate 7, starting from the feed end, the punch guide parts for all processes of producing precision communication component jacks, bending and cutting are arranged sequentially. The stripping plate 7 is provided with a positioning pin 24 for the guiding and positioning of the material belt 1, which cooperates with the positioning hole of the material belt 1 to ensure the position accuracy of the product. The lower template 9 is provided with a production precision communication component socket bending from the feeding end. The concave mold of all the cutting processes, the convex mold and the concave mold are in one-to-one correspondence.

The blanking module is provided with trimming round hole die 10 and scrap cutting die 11 in sequence. That is, the raw material of the micro precision communication component jack produced by the present invention is a regular material strip 1, and the material strip 1 performs processes such as edge trimming and punching round holes under the action of the blanking assembly, wherein the punched out round holes and positioning pins 24 and The positioning post 29 on the back puller fits. As shown in Figure 4, there are four processes in total on the blanking module: two times of trimming and punching round holes, and two times of cutting waste. The specific structure of edge trimming and punching round hole die 10 includes a round hole punch fixed on the stripper plate 7 and corresponding die holes fixed on the lower template 9, and the specific structure of the waste cutting die 11 includes a punch fixed on the stripper plate 7. Cutter and the corresponding scrap groove that are fixed on the lower formwork 9. The direction of the arrow is the traveling direction of the strip 1 .

As shown in Figures 5-1 and 5-2, the forming die set is sequentially provided with a trimming and pressing rib mold 12, a forming R/4 mold 13, a first piercing mold 14, a first piercing adjustment mold 15, Bottom R "V" folds 100 ° mold 16, the second piercing mold 17, the second piercing adjustment mold 18, forming roll round mold 19, lower waste material adjustment fan mold 20, and twisting mold 21. That is to say, on the forming module, there are trimming and pressing ribs, forming R/4, first piercing, first piercing adjustment, bottom R "V" folding 100°, second piercing, second piercing adjustment, forming roll There are ten processes of rounding, fanning the waste material, and twisting. That is, there are 14 process structures in the continuous stamping die for the small and precise communication component sockets to be rounded, which are respectively arranged on two product strips 1, as shown in Figure 4 for the blanking strip 1, Figure 5-1, Figure 5- 2 is forming material band 1. That is, before puncturing, the forming R/4 treatment should be carried out first, and the first and third barbs should be punctured during the first puncturing, and then the middle part should be adjusted to be rounded, and then the second barb in the middle should be formed by puncturing Barbs, and finally adjust the rounding, which not only solves the problem of round deformation during piercing in the process of rolling first and then piercing, but also solves the problem of barb deformation when piercing first and then rolling. As shown in Fig. 6-14, the specific structure of the trimming and beading mold 12 includes the pressure roller fixed on the stripper plate 7 and the corresponding groove fixed on the lower template 9; the specific structure of the forming R/4 mold 13 includes fixing The two end pressure rollers on the stripper plate 7 and the grooves correspondingly fixed on the lower template 9; the specific structure of the first piercing mold 14 includes a piercing needle 30 fixed on the stripper plate 7 and correspondingly fixed on the lower template 9. The forming groove on the template 9; the specific structure of the first piercing adjustment mold 15 includes the pressure roller fixed on the stripper plate 7 and the corresponding groove fixed on the lower template 9; the bottom R "V" folds 100 ° of the mold 16 The specific structure includes a round roller fixed on the stripper plate 7 and a V-shaped groove correspondingly fixed on the lower template 9; the specific structure of the second piercing die 17 includes a piercing needle 30 fixed on the stripper plate 7 and correspondingly fixed The forming groove on the lower template 9; the specific structure of the second piercing adjustment mold 18 includes the pressure roller fixed on the stripping plate 7 and the corresponding groove fixed on the lower template 9; The circular groove on the plate 7 and the convex circular groove correspondingly fixed on the lower template 9; the lower waste transfer sector mold 20 includes the fan-shaped circular groove fixed on the stripper plate 7 and the corresponding groove fixed on the lower template 9; the twisted mold 21 comprises the pressing bar that is fixed on the stripper plate 7 and the material chute that is correspondingly fixed on the lower template 9 . The direction of the arrow is the traveling direction of the strip 1 .

As shown in Figure 3, the puller includes a transmission gear 26, a power punch 27 that provides power for the transmission gear 26, a ratchet 28 is fixedly connected to the transmission gear 26, and a pulling material is evenly distributed on the ratchet 28. Positioning post 29 with 1. The power punch 27 is driven by a punch press or a hydraulic telescopic rod. The power punch 27 drives the transmission gear 26 to rotate at a constant speed and intermittently, so that the ratchet 28 of the belt rotates. The positioning column 29 on the ratchet 28 passes through the material belt 1 at a constant speed and intermittently. The positioning hole on the top, thereby pulling the material belt 1 to move forward at a constant speed and intermittently. That is, the punch press is used to drive the transmission gear 26 to pull the material, which does not require the feeding of the existing punch feeder. The pulling material is more reliable, especially suitable for the situation that the material tape 1 is relatively thin. The transmission gear 26 is rotatably installed on the lower die base 3, and the power punch 27 is an additional punch press, which provides power for the transmission gear 26.

The first piercing die 14 includes two piercing needles 30 . That is, in the process of pressing down once, the previous piercing needle 30 pierces the first barb forming the first part, and the second piercing needle 30 pierces the third barb forming the second part. Two piercing needles 30 spaced to puncture parts, avoiding getting too close when puncturing, causing deformation of parts.

The first piercing adjustment mold 15 , the forming rolling mold 19 and the lower waste material adjusting fan mold 20 are all provided with an escape groove 31 . That is to say, during the first puncture adjustment, fan-shaping and twisting of the lower waste material, the corresponding barbs should be protected from position when they are rolled up to avoid deformation under pressure.

An electroplating assembly is also arranged between the blanking assembly and the forming assembly. The electroplating component is an existing electroplating technology, which directly electroplates the material strip 1 after the blanking component is unloaded, while the forming component performs forming and rolling treatment on the electroplated material strip 1, and the electroplating process is performed after changing the rolling circle. The electroplating effect is better, which solves the problem that the traditional process cannot be electroplated because the inner hole is too small after forming first.

The continuous stamping die for small and precise communication component jack rolls has precision blanking, precision bending and adjustment, and drawing processes for precision communication component jacks, enabling a set of continuous molds to directly and efficiently produce products. This continuous mold is precisely blanked from the beginning. After blanking, the electroplating material is stamped and rolled for the second time, punctured, and adjusted to ensure that the bending and rolling of the product is more stable; During the process, the material strip 1 can advance in the mold at a stable high speed.

The specific working principle is: the continuous stamping die is set on the 30Ton and above tonnage press machine tool table, and the upper slide block of the press drives the upper die base 2 to move up and down to stamp the workpiece. Each stamping time, each station completes a process , the last station in the row produces a part, and then the two material strips 1 advance a distance of one unit along the arrows shown in Figure 4 and Figure 5-1, 5-2, and then carry out stamping to realize continuous production.

In the present invention, the production process of the micro-precision communication component socket is designed into three parts: blanking, electroplating, and forming. The blanking component and the forming component correspond to the blanking and forming processes respectively, and the blanking and forming of the strip 1 are carried out by using a continuous stamping die. , which reduces the difficulty of production, ensures the shape and size of the product, improves the production quality, reduces the production cost, and improves the production efficiency; the blanking component and the forming component respectively perform blanking and forming processes on the two strips 1 , even if the first strip 1 is blanked, and the second electroplated material is formed into a round strip 1, a set of molds can produce at most two types of precision communication component jack forming rolls and cut products, which solves the problem It solves the problem that the existing process cannot be electroplated after forming because the inner hole is too small; both the blanking component and the forming component of the continuous stamping die use a puller to pull and move the strip 1 intermittently, so that the entire production process can be carried out Continuous operation realizes high-speed feeding and improves production efficiency.

Certainly, the present invention also can have other various embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes All changes and modifications should belong to the scope of protection of the appended claims of the present 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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