CN214079068U - Cold heading mould of connector - Google Patents

Abstract

The utility model discloses a cold-heading mould of connector, last mould component and lower mould component including coaxial setting, upward be provided with between mould component and the lower mould component and be used for realizing going on the expanding throat subassembly that closes up to the dumbbell, the cold-heading mould of this connector adopts the cooperation of last mould component and lower mould component to realize the bellmouth expanding technology of dumbbell product shaping, put into the master die with the copper pipe, go up mould component and push down, fill in last heading needle in the master die until touch down the heading needle, make the copper pipe both ends pressurize the expanding in the master die, meanwhile, the throat cover exerts pressure to the oral area curve of copper pipe, take shape the oral area compression mouth of copper pipe, need not to carry out a large amount of lathe work, save the material, its required pressure is little, not fragile, and simple structure, the production cost is reduced, and the production efficiency is high.

Description

Cold heading mould of connector

Technical Field

The utility model relates to a connector shell processing technology field, concretely relates to cold-heading mould of connector.

Background

CONNECTORs, or CONNECTORs, also known in the domestic literature as CONNECTORs, plugs and sockets, generally refer to electrical CONNECTORs, i.e. devices that connect two active devices, transmitting current or signals. The function of the circuit is very simple, namely, a bridge for communication is erected between the blocked parts or isolated and non-communicated circuits in the circuit, so that current flows, and the circuit realizes the preset function. Connectors are indispensable components in electronic devices.

The connector shell is as the indispensable subassembly in the connector production course of working, and in carrying out the course of working to the connector shell of the similar dumbbell of appearance, current technology needs a large amount of lathe work with the mouth portion compression mouth shaping dumbbell head of straight tube, and production efficiency is low, fragile dumbbell outward appearance and material consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold-heading mould of connector.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cold-heading mould of connector, its characterized in that, last mould component and lower mould component including coaxial setting, it includes the upper die base to go up the mould component to and set gradually upper padding plate, punch holder on the upper die base and take off the flitch, lower mould component includes the die holder to and set gradually lower bolster, lower bolster and the stopper on the die holder, upward be provided with the expanding throat subassembly between mould component and the lower mould component, the expanding throat subassembly includes:

the device comprises a main die and a necking sleeve, wherein the main die is arranged on a lower template and used for forming a product, the necking sleeve is arranged on a stripper plate and used for necking, and the main die and the necking sleeve are coaxially arranged;

one end of the upper upsetting needle is arranged coaxially with the necking sleeve and penetrates through the upper clamping plate and abuts against the surface of the upper backing plate;

the lower upsetting pin is coaxially arranged with the main die, one end of the lower upsetting pin is abutted against the surface of the lower base plate, and the upper upsetting pin and the lower upsetting pin are inserted into the main die to extrude and form a product; and

and the ejection mechanism is used for connecting the stripper plate to eject the product.

Furthermore, the main die comprises a first opening, a forming groove and a third opening which penetrate through the lower die plate and are communicated in sequence, the radiuses of the first opening and the third opening are larger than the radius of the forming groove, and the forming groove is cylindrical.

Further, the ejection mechanism includes:

spring holes penetrating through the upper die base and the upper backing plate, wherein the aperture of the spring hole in the upper die base is smaller than that of the spring hole in the backing plate; and

the spring is arranged in the spring hole and used for ejecting the stripper plate, one end of the spring is connected with the ejector pin, and the ejector pin is connected with the stripper plate.

Furthermore, a guide sleeve is arranged on the lower template, a guide pillar for positioning is arranged on the upper backing plate, and one end of the guide pillar penetrates through the guide sleeve to the lower backing plate and is connected with the lower backing plate.

Furthermore, a set screw is arranged in the upper die base, and the other end of the spring is fixed in the upper die base through the set screw.

According to the above technical scheme, the utility model discloses following beneficial effect has:

this cold-heading mould of connector adopts the cooperation of last mould subassembly and lower mould subassembly to realize the bellied product fashioned throat bulging technology, put into the master die with the copper pipe, go up the mould subassembly and push down, fill in the master die with last heading needle until touching down the heading needle, make copper pipe both ends pressurize the bulging in the master die, meanwhile, the throat cover exerts pressure to the oral area curve of copper pipe, take shape the oral area throat of copper pipe, need not to carry out a large amount of lathe work, save the material, its required pressure is little, not fragile, and simple structure, the production cost is reduced, and the production efficiency is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the necking sleeve of the present invention;

fig. 3 is a schematic structural diagram of the upper header of the present invention.

Fig. 4 is a schematic structural diagram of the lower header of the present invention.

Fig. 5 is a schematic diagram of the process flow of the present invention.

In the figure: 110. an upper die holder; 120. an upper base plate; 121. a guide post; 130. an upper splint; 131. a material removing plate; 211. a set screw; 210. a lower die holder; 230. a lower base plate; 240. a lower template; 241. a guide sleeve; 310. performing primary molding; 311. a first opening; 312. forming a groove; 313. a third opening; 314. a necking sleeve; 320. mounting a heading pin; 330. a lower heading pin; 341. a spring hole; 342. a spring; 4. hanging a table; 5. and a limiting block.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a cold heading die of a connector comprises an upper die component 1, a lower die component 2 and an expansion necking component 3, wherein the lower die component is arranged at the lower end of the upper die component, the upper die component and the lower die component are coaxially arranged, the upper die component comprises an upper die holder 110, an upper backing plate 120, an upper clamping plate 130 and a stripper plate 131, the upper die holder 110, the upper backing plate 120 and the upper clamping plate 130 and the stripper plate 131 are sequentially arranged from top to bottom and are connected with each other through screws, a guide pillar 121 is vertically arranged on the upper backing plate, a guide pillar 121 pipe penetrates through the upper clamping plate and extends to the outer end of the upper clamping plate, the lower die component comprises a lower die holder 210, a lower backing plate 230 and a lower die plate 240, the lower die holder 210, the lower backing plate 230 and the lower die plate 240 are sequentially arranged from bottom to top and are connected with each other through screws, a guide sleeve 241 is arranged inside the lower die plate 240, the guide sleeve vertically penetrates through the lower die plate, the lower end of the guide pillar penetrates through the lower backing plate and is connected with the lower die sleeve, the positioning device is used for positioning the upper die assembly and the lower die assembly.

The expansion and contraction assembly 3 comprises a main die 310, a contraction sleeve 314, an upper upsetting needle 320, a lower upsetting needle 330 and an ejection mechanism 340, wherein the main die is arranged on a lower template and vertically penetrates through the lower template, the main die is used for forming a dumbbell shell, the main die penetrates through the lower template and is sequentially communicated with a first opening 311, a forming groove 312 and a third opening 313, the radiuses of the first opening and the third opening are larger than the radius of the forming groove, the forming groove is cylindrical, the upper end of the upper upsetting needle is connected with an upper backing plate through a hanging table 4 and penetrates through the whole upper clamping plate and a stripper plate, the upper upsetting needle extends to the outer end of the stripper plate, the upper end of the lower upsetting needle is connected with the lower backing plate through the hanging table 4 and penetrates through the whole lower template, the ejection mechanism comprises a spring hole 341 vertically formed through the upper die holder and the inner part of the upper backing plate and a spring 342 vertically arranged in the spring hole, one end of the spring is connected with the ejecting needle, the ejecting needle is connected with the stripper plate, and the product is ejected by means of elastic deformation of the spring, lower heading needle runs through the lower bolster and extends to in the master mould, goes up heading needle, lower heading needle, master mould and the coaxial setting of throat cover for realize that upper heading needle and lower heading needle insert in the master mould to the shaping of the expansion throat of the pah pooh of dumbbell hair, be provided with stop screw 211 in the inside of upper die base, the other end of spring passes through stop screw to be fixed in the lower die base.

Preferably, set up stopper 5 between last mould subassembly and lower mould subassembly to it is too much to go up the mould subassembly and descend, influences dumbbell overall dimension, protects the master die simultaneously, prevents that the too big damage master die of impulsive force.

The upper die assembly and the lower die assembly are matched to form a dumbbell cavity after being matched, the dumbbell cavity comprises a dumbbell rod arranged along the axial direction of the dumbbell cavity and dumbbell heads at two ends of the dumbbell rod, and the dumbbell rod is formed by a forming groove of the main die; the dumbbell head at the bottom is formed by matching the main die with the lower heading pin; the dumbbell head at the top is formed by matching the main die with the upper upsetting pin.

The working principle is as follows:

in an initial state, the preformed dumbbell blank is placed in a forming groove of a main die, an upper die base descends, a stripper plate firstly touches the dumbbell blank to press the surface of the dumbbell blank, the upper die plate continues to descend, an upper upsetting needle and a lower upsetting needle perform pressure forming on two dumbbell heads in the expanding mode of the two ends of the dumbbell blank, and meanwhile, a necking sleeve performs necking forming on the top dumbbell head.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a cold-heading mould of connector, its characterized in that, including the last mould subassembly and the lower mould subassembly of coaxial setting, it includes upper die base (110) to go up the mould subassembly to and set gradually upper padding plate (120), punch holder (130) on the upper die base and take off flitch (131), the lower mould subassembly includes die holder (210) to and set gradually lower bolster (230), lower bolster (240) and stopper (5) on the die holder, upward be provided with between mould subassembly and the lower mould subassembly and rise throat subassembly (3), rise throat subassembly (3) include:

the main die (310) is arranged on the lower template and used for product molding, and the necking sleeve (314) is arranged on the stripper plate (131) and used for necking, wherein the main die (310) and the necking sleeve (314) are coaxially arranged;

an upper upsetting needle (320) which is coaxial with the necking sleeve (314), one end of which penetrates through the upper clamping plate and abuts against the surface of the upper backing plate;

the lower upsetting pin (330) is coaxially arranged with the main die, one end of the lower die plate is abutted against the surface of the lower backing plate, and the upper upsetting pin and the lower upsetting pin are inserted into the main die to extrude and form a product; and

and the ejection mechanism (340) is used for connecting the stripper plate (131) to eject the product.

2. The cold-heading die for a connector according to claim 1, wherein: the main die (310) comprises a first opening (311), a forming groove (312) and a third opening (313) which penetrate through the lower die plate and are sequentially communicated, the radiuses of the first opening and the third opening are larger than the radius of the forming groove, and the forming groove is cylindrical.

3. The cold-heading die for a connector according to claim 1, wherein: the ejection mechanism (340) includes:

spring holes (341) penetrating the upper die base and the upper backing plate, wherein the aperture of the spring hole in the upper die base is smaller than that of the spring hole in the backing plate; and

and the spring (342) is arranged in the spring hole and used for ejecting the stripper plate (131), one end of the spring is connected with the ejector pin, and the ejector pin is connected with the stripper plate (131).

4. The cold-heading die for a connector according to claim 1, wherein: the lower template (240) is provided with a guide sleeve (241), the upper backing plate (120) is provided with a guide post (121) for positioning, and one end of the guide post penetrates through the lower backing plate through the guide sleeve and is connected with the lower backing plate.

5. The cold-heading die for a connector according to claim 3, wherein: a set screw (211) is arranged in the upper die base (110), and the other end of the spring is fixed in the upper die base (110) through the set screw.

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