CN216400410U

CN216400410U - Mould is used in annular connector production

Info

Publication number: CN216400410U
Application number: CN202123121935.XU
Authority: CN
Inventors: 林海龙
Original assignee: Shenzhen Txga Industrial Electronic Co ltd
Current assignee: Shenzhen Txga Industrial Electronic Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-29
Anticipated expiration: 2031-12-13

Abstract

The application relates to a mold for producing an annular connector, which mainly relates to the technical field of injection molds and comprises a base, a plurality of guide assemblies arranged on the base, a lower module arranged on the guide assemblies and positioned on the base, an upper module arranged on the guide assemblies and positioned on the lower module, and a material pushing assembly penetrating through the upper module; the upper die set comprises an upper die plate sleeved on the guide assembly, a composite die arranged in the upper die plate and a plurality of injection molding pipes penetrating through the composite die; the composite mold comprises a rotational molding piece mold and a shell mold. This application has the advantage that product shaping precision is high, product production defective percentage is low.

Description

Mould is used in annular connector production

Technical Field

The application relates to the technical field of injection molds, in particular to a mold for producing an annular connector.

Background

A ring connector is an electronic component used to connect a powered device to a power source. The annular connector typically comprises a metal piece for electrical conduction and an annular plastic sleeve for securing the metal piece. The plastic sleeve is generally manufactured in a mass production manner by injection molding and integral molding.

In order to combine the metal part and the plastic sleeve into a fixed whole, the injection molding process comprises the injection molding of the plastic part and the injection molding of the shell. Due to the limitation of processing precision, the coaxiality of the mold used in the two-time injection molding has slight deviation, and the deviation can affect the molding quality of the plastic sleeve, so that the defective rate is increased.

In view of the above-mentioned related technologies, the inventor found that the molding quality of the ring connector produced by using the mold is not sufficient, and the defective rate is high.

SUMMERY OF THE UTILITY MODEL

In order to improve the shaping quality of ring connector plastic external member, reduce the defective percentage, this application provides a mould is used in ring connector production.

The application provides a mould for annular connector production adopts following technical scheme:

a mold for producing an annular connector comprises a base, a plurality of guide assemblies arranged on the base, a lower module arranged on the guide assemblies and positioned on the base, an upper module arranged on the guide assemblies and positioned on the lower module, and a material pushing assembly penetrating through the upper module; the upper die set comprises an upper die plate sleeved on the guide assembly, a composite die arranged in the upper die plate and a plurality of injection molding pipes penetrating through the composite die; the composite mold comprises a rotational molding piece mold and a shell mold.

Through adopting above-mentioned technical scheme, the base has played support and fixed effect to other parts of this application, go up the die cavity that module and lower mould composite mold formed connector plastic external member, the direction subassembly can make the compound die process of last module and lower module keep perpendicularly, improve the axiality of this application, compound die in going up the module contains to change and moulds a mould and shell mould integrated design and makes twice injection moulding in-process go on in same mould, the axiality of having guaranteed twice injection moulding in-process mould keeps unanimous, the injection moulding quality of connector plastic external member has effectively been promoted, the defective percentage in the production process has been reduced.

Optionally, the guide assembly includes a plurality of guide rods that wear to establish on the base and a plurality of uide bushing of cover on the guide rod.

Through adopting above-mentioned technical scheme, the guide bar has played limiting displacement to last module gliding process from top to bottom, and a plurality of guide bars and guide sleeve complex structural design have reduced the clearance of rocking between guide sleeve and the guide bar, have promoted the axiality of last module and lower mould composite mold in-process, have effectively promoted the injection moulding quality of connector plastic external member, have reduced the defective percentage in the production process.

Optionally, the lower module comprises a lower template sleeved on the guide module and a plurality of limit pins penetrating through the lower template; the upper surface of the lower template is provided with a positioning buckle, and the edge of the top of the limiting pin is provided with a chamfer.

By adopting the technical scheme, the positioning buckle is used for installing the metal piece of the annular connector, and the positioning buckle plays a role in fixing the metal piece, so that the metal piece cannot shake in the injection molding process; the limiting pin penetrating through the lower template plays a limiting role in the process of the upper die assembly die, the coaxiality of the upper die assembly and the lower die assembly is further improved, the injection molding quality of the connector plastic external member is effectively improved, and the defective rate in the production process is reduced.

Optionally, the lower surface of the upper template is fixedly connected with a plurality of limiting blocks, and the lower template is provided with a rectangular groove at a position perpendicular to the limiting blocks.

Through adopting above-mentioned technical scheme, the stopper of cope match-plate pattern lower surface can insert the rectangle recess of seting up on the lower bolster at last module and lower mould composite mold in-process, and the rectangle recess is spacing through the slip process to the stopper, has further improved the axiality of last module and lower module to effectively promote the injection moulding quality of connector plastics external member, reduced the defective percentage in the production process.

Optionally, the mold cavity of the rotational molding part is symmetrically provided with protrusions.

Through adopting above-mentioned technical scheme, the arch that a mould symmetric position set up is moulded in commentaries on classics can make the finished edge of a piece that moulds in commentaries on classics form the sand grip at the in-process of moulding plastics, and the sand grip structure can promote the area of contact of a piece and metalwork of moulding in commentaries on classics, improves the mechanical strength who moulds a piece and metalwork junction in commentaries on classics to the defective percentage in the production process has been reduced.

Optionally, the upper module is provided with a limiting rod at a symmetrical position, and the bottom end of the limiting rod is connected with the lower module.

Through adopting above-mentioned technical scheme, the gag lever post has played limiting displacement to the process of last module lapse and lower mould composite mold, has further improved the axiality of last module and lower module to effectively promote the injection moulding quality of connector plastic external member, reduced the defective percentage in the production process.

Optionally, the pushing assembly comprises a plurality of mounting rods penetrating through the upper module, a mounting plate arranged at the top end of the mounting rods, a plurality of ejector rods arranged on the mounting plate, and a return spring sleeved on the mounting rods; reset spring one end and the lower surface butt of mounting panel, the other end and last module butt.

Through adopting above-mentioned technical scheme, the material pushing component can carry out the compound die in this application and mould plastics the back ejecting in the die cavity of last module with off-the-shelf plastics external member, can avoid the in-process of moulding plastics in succession the plastics external member to appear and block up the dead condition of card in last module die cavity, has reduced the defective percentage in the production process.

Optionally, the installation positions of the ejector rods are uniformly distributed along the circumferential direction.

Through adopting above-mentioned technical scheme, a plurality of liftout pole mounted position can make the liftout pole act on the thrust on changeing plastic part or outer shell spare more evenly along circumference evenly distributed's structural design, reduces to change plastic part or injection molding finished product and influence the shaping quality because of the thrust inequality that receives, has reduced the defective percentage in the production process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base plays a supporting and fixing role for other parts in the connector, the upper die set and the lower die set form a cavity of the connector plastic external member, the guide assembly can enable the die assembly process of the upper die set and the lower die set to be vertical, the coaxiality of the connector plastic external member is improved, the composite die in the upper die set comprises a rotational molding part die and a shell die, and the two injection molding processes can be carried out in the same die, so that the coaxiality of the die in the two injection molding processes is kept consistent, the injection molding quality of the connector plastic external member is effectively improved, and the defective rate in the production process is reduced;

2. the limiting rod has a limiting effect on the downward sliding of the upper die set and the lower die assembling die, the coaxiality of the upper die set and the lower die set is further improved, the injection molding quality of the connector plastic sleeve is effectively improved, and the defective rate in the production process is reduced;

3. a plurality of ejector pin mounted position in this application can make the ejector pin more even at the thrust that the ejector pin was used in the liftout in-process on changeing plastic part or shell spare along circumference evenly distributed's structural design, reduces to change plastic part or injection molding finished product and influence the shaping quality because of the thrust inequality that receives, has reduced the defective percentage in the production process.

Drawings

Fig. 1 is a schematic structural diagram of a mold for producing a ring connector according to an embodiment of the present application.

Fig. 2 is an exploded view of a mold for producing a ring connector according to an embodiment of the present disclosure.

Description of reference numerals: 1. a base; 2. a guide assembly; 21. a guide bar; 22. a guide sleeve; 3. a lower module; 31. a lower template; 32. a spacing pin; 311. positioning a buckle; 312. a rectangular groove; 4. an upper module; 41. mounting a template; 42. compounding the mold; 43. injection molding a tube; 44. a limiting rod; 421. transferring a plastic part mould; 422. a housing mold; 423. a limiting block; 5. a material pushing assembly; 51. mounting a rod; 52. mounting a plate; 53. a lifter bar; 54. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

At present, the industry generally adopts a mode of injection molding and integral molding to produce the annular plastic sleeve of the annular connector. The production process of the annular plastic sleeve comprises a twice injection molding process, and the molding quality of the plastic sleeve is influenced by the coaxiality difference of the molds when different molds are used for respectively performing twice injection molding. In order to promote the shaping quality of annular plastics external member, reduce the defective percentage of the in-process of producing, this application embodiment provides a mould is used in annular connector production.

The embodiment of the application discloses mould is used in annular connector production. Referring to fig. 1 and 2, the mold for producing the ring connector includes a base 1, a guide assembly 2, a lower die set 3, an upper die set 4, and a pusher assembly 5. Wherein, the direction subassembly 2 is established on base 1, and lower module 3 and last module 4 are all established on direction subassembly 2, and lower module 3 is located base 1, goes up module 4 and is located module 3 top down, pushes away material subassembly 5 and wears to establish on module 3 down.

Referring to fig. 1 and 2, the base 1 may be composed of two rectangular metal plates having different sizes. In the two rectangular metal plates, the metal plate with the larger cross section area is positioned below and fixedly connected with the metal plate with the smaller cross section area into a whole in a bolt connection mode.

Referring to fig. 2, the guide assembly 2 includes a guide rod 21 and a guide sleeve 22. Wherein, the guide sleeve 22 is sleeved on the guide rod 21. The guide rod 21 may be a cylindrical metal rod with a plurality of annular grooves, and the guide sleeve 22 may be a metal cylinder with one end extending to the edge to form a bell mouth shape. The guide members 2 may be provided in a plurality of sets, and may be provided in four sets in the embodiment of the present application.

Referring to fig. 1 and 2, the lower die set 3 includes a lower die plate 31 and a stopper pin 32. Wherein, the location buckle 311 is installed through the welded mode to the upper surface of lower bolster 31, and a plurality of rectangle recesses 312 have been seted up to the upper surface of lower bolster 31, and the quantity of rectangle recess 312 can be two in this application embodiment, and lower bolster 31 wears to be equipped with a plurality of spacer pins 32, and the upper surface edge of spacer pin 32 is the chamfer and handles the quantity of spacer pin 32 can be four in this application embodiment.

Referring to fig. 1 and 2, the upper mold set 4 includes an upper mold plate 41, a composite mold 42, an injection-molded tube 43, and a stopper rod 44. Wherein, compound mould 42 includes a commentaries on classics mould 421 and shell mould 422, stopper 423 is installed through bolted connection's mode to the lower surface of commentaries on classics mould 421, stopper 423's quantity can make two in this application embodiment, the vertical projection and the coincidence of rectangle recess 312 of stopper 423 mounted position, the die cavity inner wall of commentaries on classics mould 421 is provided with the arch through casting integrated into one piece's mode is upper and lower in turn, commentaries on classics mould 421 and shell mould 422 install on lower bolster 31 through bolted connection's mode, injection molding pipe 43 wears to establish on cope match-plate pattern 41, the one end of injection molding pipe 43 communicates with compound mould 42's die cavity, the other end and the cope match-plate pattern 41 upper surface intercommunication of injection molding pipe 43, gag lever 44 wears to establish on cope match-plate pattern 41, the bottom and the lower bolster 31 threaded connection of gag lever 44.

Refer to fig. 1 and 2. The pushing assembly 5 comprises a mounting rod 51, a mounting plate 52, an ejector rod 53 and a return spring 54. Wherein, the installation pole 51 wears to establish on last module 4, installation pole 51 can set up to a plurality ofly, can set up to four in this application embodiment, the top at installation pole 51 is installed through the welded mode to mounting panel 52, bolted connection's mode is passed through to the one end of ejector beam 53 and is installed the lower surface at mounting panel 52, the other end of ejector beam 53 extends to in the die cavity of compound mould 42, all overlap on every installation pole 51 and be equipped with reset spring 54, reset spring 54's one end and mounting panel 52's lower surface butt, the other end and last module 4 butt.

The implementation principle of a mould is used in annular connector production of this application embodiment is: the worker firstly installs the metal piece of the annular connector on the positioning buckle 311, then controls the upper module 4 to slide downwards for die assembly, the injection molding machine injects hot melt liquid plastic into the rotating plastic piece die 421 along the injection molding pipe 43, the rotating plastic piece is cooled and formed after a period of time, the upper module 4 slides upwards, the mounting plate 52 slides relative to the upper module 4 under the action of self gravity and the elastic force of the return spring 54, the ejector rod 53 ejects the formed rotating plastic piece out of the cavity of the rotating plastic piece die 421 under the driving of the mounting plate 52, and then the rotating plastic piece is placed in the cavity of the shell die 422, and then controlling the upper module 4 to slide downwards to match the mold, injecting hot-melt plastic into the shell mold 422 by the injection molding machine along the injection molding pipe 43, cooling and molding the shell after a period of time, and pushing the shell out of the cavity of the shell mold 422 by the pushing assembly 5 to complete the production of the annular connector.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mould is used in annular connector production which characterized in that: the device comprises a base (1), a plurality of guide assemblies (2) arranged on the base (1), a lower module (3) arranged on the guide assemblies (2) and positioned on the base (1), an upper module (4) arranged on the guide assemblies (2) and positioned on the lower module (3), and a material pushing assembly (5) arranged on the upper module (4) in a penetrating manner; the upper die set (4) comprises an upper die plate (41) sleeved on the guide assembly (2), a composite die (42) arranged in the upper die plate (41) and a plurality of injection molding pipes (43) penetrating through the composite die (42); the composite mold (42) comprises a rotational molding piece mold (421) and a shell mold (422).

2. The mold for producing a ring-shaped connector according to claim 1, wherein: the guide assembly (2) comprises a plurality of guide rods (21) arranged on the base (1) in a penetrating mode and a plurality of guide sleeves (22) sleeved on the guide rods (21).

3. The mold for producing a ring-shaped connector according to claim 1, wherein: the lower die set (3) comprises a lower die plate (31) sleeved on the guide assembly (2) and a plurality of limiting pins (32) penetrating through the lower die plate (31); the upper surface of the lower template (31) is provided with a positioning buckle (311), and the top edge of the limiting pin (32) is provided with a chamfer.

4. The mold for producing a ring-shaped connector according to claim 3, wherein: the lower surface of the composite die (42) is fixedly connected with a plurality of limiting blocks (423), and rectangular grooves (312) are formed in the positions, perpendicular to the limiting blocks (423), of the lower die plate (31).

5. The mold for producing a ring-shaped connector according to claim 1, wherein: the cavity of the rotational molding piece mold (421) is symmetrically provided with bulges.

6. The mold for producing a ring-shaped connector according to claim 1, wherein: the upper module (4) is symmetrically provided with limiting rods (44), and the bottom ends of the limiting rods (44) are connected with the lower module (3).

7. The mold for producing a ring-shaped connector according to claim 1, wherein: the pushing assembly (5) comprises a plurality of mounting rods (51) penetrating through the upper module (4), a mounting plate (52) arranged at the top ends of the mounting rods, a plurality of pushing rods (53) arranged on the mounting plate (52) and a return spring (54) sleeved on the mounting rods (51); one end of the return spring (54) is abutted against the lower surface of the mounting plate (52), and the other end of the return spring is abutted against the upper module (4).

8. The mold for producing a ring-shaped connector according to claim 7, wherein: the installation positions of the ejector rods (53) are uniformly distributed along the circumferential direction.