CN202159884U

CN202159884U - Positioning injection die for side surface of terminal

Info

Publication number: CN202159884U
Application number: CN2011202447670U
Authority: CN
Inventors: 龚文鹏; 王贤云; 黎健明; 吴小平; 蒋坤学
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2011-07-01
Filing date: 2011-07-01
Publication date: 2012-03-07
Anticipated expiration: 2021-07-01

Abstract

The utility model discloses a positioning injection die for the side surface of a terminal, which comprises a male die, a female die and a sliding die. The sliding die is disposed between the male die and the female die. The male die, the female die and the sliding die form an injection molding chamber after die locking. The sliding die comprises a sliding main body and sliding blocks. The injection molding surface of the sliding main body is provided with a sliding groove for the sliding blocks to slide. A terminal is embedded on the injection molding surface of the sliding main body. The sliding blocks are arranged on the side surface of the terminal and are used for preventing the terminal from shedding. The injection molding surface of the female die extends outside a pull block. After die locking, the pull block extends into the sliding groove to push the sliding blocks to be removed so that the terminal stays in the injection molding chamber. The positioning injection die for the side surface of a terminal is simple in structure, simple in machining and mounting, helps to prevent the terminal from shedding to crush a die cavity during the die locking, and enables the injection molding efficiency to be improved and the production cost to be saved.

Description

Location, terminal side injection mold

Technical field

The utility model relates to a kind of injection mold, relates in particular to a kind ofly before matched moulds, vertically arranged terminal to be positioned, and avoids when matched moulds, occurring coming off and causes location, the terminal side injection mold of pressing mold.

Background technology

Along with progress of science and technology; PC is used widely; Its external equipment is also more and more, and mouse, printer, joystick, audio amplifier, mobile storage disc etc., each external equipment all need link to each other with PC through an interface; Exchanges data transmission between the different electronic equipments becomes frequent day by day, and connector plays important effect to the connection between the electronic equipment.

The splicing ear of connector and plastic cement are generally one-body molded, and injection moulding is had relatively high expectations.And insert the injecting products of moulding for some; Its injection moulding difficulty is then bigger; Normally before injection moulding, vertically be inlaid into splicing ear in the cavity of mould earlier; Thereby matched moulds places splicing ear in the injection molding cavity then, to the plastics of injection molding cavity injection molten condition, plastics solidification and splicing ear is combined at last.This kind method realizes than being easier to for the injecting products with a splicing ear, but can not satisfy two splicing ears puts in the cavity body of mould simultaneously.Reason is, the degree of depth that two splicing ears vertically embed in the cavity is very shallow, in the matched moulds process owing to vibrations are easy to come off.For fear of coming off, the closure pressing speed that then need slow down during matched moulds so then can reduce injection moulding efficient.In case and splicing ear comes off, and then can cause damaging by pressure die, so that the frequent change die, increase production cost, therefore, can not satisfy the requirement of production.

The utility model content

The purpose of the utility model is that the deficiency to above-mentioned prior art provides a kind of and before matched moulds, vertically arranged terminal positioned, and avoids when matched moulds, occurring coming off and causes location, the terminal side injection mold that damages die by pressure.

Be to realize above-mentioned purpose, the utility model institute provides location, terminal side injection mold, is applicable to the preceding terminal position to lateral vertical of injection moulding; Comprise male model, master mold and sliding die, sliding die is between male model and the master mold, and male model, master mold and sliding die form injection molding cavity behind the matched moulds; Sliding die comprises sliding body and slide block, and the injection-molding surfaces of sliding body offers the sliding tray that supplies slide block to slide, when terminal is embedded on the injection-molding surfaces of sliding die; Slide block is on the side of terminal and stops that terminal comes off; The injection-molding surfaces of master mold is extended slide block, and behind the matched moulds, slide block stretches into and promotes slide block in the sliding tray and leave terminal is in the injection molding cavity.

As above, because the utility model is offered sliding tray on sliding body, and slide block is installed in the sliding tray; When terminal was embedded on the injection-molding surfaces of sliding die, slide block moved to the terminal side and stops that terminal comes off, and through slide block is set on master mold; In the matched moulds process,, slide block is moved down stretch in the sliding tray and promote slide block and move by the power that master mold moves down; Make slide block leave terminal, thus the demoulding smoothly after formed product, and the barrier effect of slide block can effectively avoid sliding die in the matched moulds process, to take place because of the terminal accidental causes the situation of damaging die by pressure; Simple in structure, process easy and easy assembling, improve the stability of injection moulding simultaneously; And improve injection moulding efficient, save production cost.

Description of drawings

Structural representation when Fig. 1 is location, the utility model terminal side injection mold matched moulds.

Fig. 2 is the decomposing schematic representation of location, the utility model terminal side injection mold.

Fig. 3 is the structural representation of slide block in the injection mold of location, the utility model terminal side.

Fig. 4 is the view before the master mold matched moulds in the injection mold of location, the utility model terminal side.

Fig. 5 is the view behind the master mold matched moulds in the injection mold of location, the utility model terminal side.

Each description of reference numerals is following among the figure:

Location, side injection mold 100 accommodation spaces 101

Injection molding cavity 102 male models 1

The first male model benevolence 1a, the second male model benevolence 1b

Master mold 2 first mother module core 2a

The second mother module core 2b slide block 21

The second inclined-plane 21a sliding die 3

Sliding body 31 sliding tray 31a

Opening

31b slide block 32

The first inclined-plane 32a mounting hole 32b

Side angle 32c hold-down screw 33

Terminal 200 inserts 300

Embodiment

By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.

See also Fig. 1; Location, the utility model terminal side injection mold 100 comprises male model 1, master mold 2 and sliding die 3; Male model 1 comprises the first male model benevolence 1a and the second male model benevolence 1b, and the first male model benevolence 1a and the second male model benevolence 1b merge and form male model 1, and master mold 2 comprises the first mother module core 2a and the second mother module core 2b; The first mother module core 2a and the second mother module core 2b merge and form master mold 2, and are in the top of male model 1.Behind male model 1 and master mold 2 matched moulds; Form one between the first male model benevolence 1a and the first mother module core 2a and supply the accommodation space 101 of sliding die 3 slips; Sliding die 3 along accommodation space 101 slide and with male model 1 and master mold 2 matched moulds after; Sliding die 3 is between male model 1 and the master mold 2, and forms injection molding cavity 102 with male model 1 and master mold 2.

See also Fig. 2 and Fig. 3, sliding die 3 comprises sliding body 31, slide block 32 and hold-down screw 33, and the injection-molding surfaces both sides of sliding body 31 offer the sliding tray 31a that supplies slide block 32 to slide.The rectangular structure of sliding tray 31a, slide block 32 is tetragonal structure, and slide block 32 is built among the sliding tray 31a and can moves around along sliding tray 31a direction.Last tip cut-off one dihedral of slide block 32 becomes the first inclined-plane 32a; Slide block 21 is extended in the both sides of the injection-molding surfaces of master mold 2; One side of slide block 21 offers the corresponding second inclined-plane 21a with the first inclined-plane 32a, and the second inclined-plane 21a promotes the first inclined-plane 32a and moves horizontally when moving down.When two-terminal 200 was embedded on the injection-molding surfaces of sliding body 31 simultaneously, slide block 32 can move on the side of terminal 200, thereby moving of restriction terminal 200 stops that terminal 200 comes off when slide block 32 is on the side of terminal 200.Behind the matched moulds, slide block 21 stretches into and promotes slide block 32 in the sliding tray 31a and leave terminal 200 terminal 200 is in the injection molding cavity 102.

See also Fig. 3, particularly, slide block 32 offers through hole; Through hole is mounting hole 32b; The end of mounting hole 32b is radial expansion from inside to outside, and hold-down screw 33 passes mounting hole 32b and is fixed in the bottom of sliding tray 31a, and the ailhead of hold-down screw 33 is placed in the end that mounting hole 32b expanded.When slide block 32 slided, hold-down screw 33 is slide relative in mounting hole 32b.More compact structure can prevent to make sliding die 3 combine tightr with male model 1 outside the hold-down screw 33 outstanding slide blocks 32 like this.

In conjunction with above-mentioned accompanying drawing and see also Fig. 4 and Fig. 5, two said slide blocks 32 are installed on respectively among the sliding tray 31a of said sliding body 31 both sides, the injection-molding surfaces both sides of the first mother module core 2a extend respectively with two said slide blocks 32 over against slide block 21.Before the injection moulding, the first male model benevolence 1a and second male model benevolence 1b combination, the first mother module core 2a and the second mother module core 2b make up, and need put into the cavity of male model 1 with the insert 300 of terminal 200 injection mo(u)ldings.Then two-terminal 200 vertically is embedded in the depression of injection-molding surfaces of sliding die 3; Promote the slide block 32 of both sides; Two slide blocks 32 are moved respectively near terminal 200 in sliding tray 31a respectively from outside to inside, and at this moment, hold-down screw 33 moves to an outer end from the inner end of mounting hole 32b; Finally, the side angle 32c place of two slide blocks, 32 1 sides presses on respectively on the side of terminal 200.During matched moulds, sliding die 3 moves and merges with male model 1 along accommodation space 101, after sliding die 3 is accomplished matched moulds; Master mold 2 moves down from the top; When slide block 21 moved down and enters into sliding tray 31a through the opening 31b on the sliding body 31, the second inclined-plane 21a on two slide blocks 21 conflicted and promotes slide block 32 with the first inclined-plane 32a of two slide blocks 32 respectively and from inside to outside moves along sliding tray 31a, and the side angle 32c of two slide blocks 32 leaves the side of terminal 200 respectively; Thereby make a side of terminal 200 be in free state; At this moment, hold-down screw 33 moves to an inner end from the outer end of mounting hole 32b, thereby restriction slide block 32 continues to move.So far, location, terminal side injection mold 100 complete matched moulds just can carry out injection moulding.

As above, because the utility model is offered sliding tray 31a on sliding body 31, and slide block 32 is installed among the sliding tray 31a; When terminal 200 was embedded on the injection-molding surfaces of sliding die 3, slide block 32 moved on the side of terminal 200 and stops that terminal 200 comes off, and through slide block 21 is set on master mold 2; Through cooperating of the second inclined-plane 21a on the first inclined-plane 32a on the slide block 32 and the master mold, in the matched moulds process, the power that moves down by master mold 2; Slide block 21 is moved down stretch among the sliding tray 31a and promote slide block 32 and move, make slide block 32 leave terminal 200, thus the demoulding smoothly after formed product; The barrier effect of slide block 21 can effectively avoid sliding die 3 in the matched moulds process, to take place because of terminal 200 accidental cause the situation of damaging die by pressure, and is simple in structure, processes easy and easy assembling; Improve the stability of injection moulding simultaneously, and, can make sliding die 3 matched moulds apace because of considering the problem that comes off of terminal; Improved injection moulding efficient, reduced the number of times of changing die, saved production cost.

Claims

1. injection mold is located in a terminal side; Be applicable to the preceding terminal position to lateral vertical of injection moulding, comprise male model, master mold and sliding die, said sliding die is between said male model and the master mold; Said male model, master mold and sliding die form injection molding cavity behind the matched moulds; It is characterized in that: said sliding die comprises sliding body and slide block, and the injection-molding surfaces of said sliding body offers the sliding tray that supplies said slide block to slide, when said terminal is embedded on the injection-molding surfaces of said sliding body; Said slide block is on the side of said terminal and stops that said terminal comes off; The injection-molding surfaces of said master mold is extended slide block, and behind the matched moulds, said slide block stretches into and promotes said slide block in the said sliding tray and leave said terminal is in the injection molding cavity.

2. location, terminal as claimed in claim 1 side injection mold is characterized in that: the rectangular structure of said sliding tray, and said slide block is tetragonal structure, and said slide block is built in the said sliding tray and can moves around along said sliding tray direction.

3. location, terminal as claimed in claim 1 side injection mold; It is characterized in that: last tip cut-off one dihedral of said slide block becomes first inclined-plane; One side of said slide block offers and corresponding second inclined-plane, said first inclined-plane, and said second inclined-plane promotes said first inclined-plane and moves horizontally when moving down.

4. location, terminal as claimed in claim 1 side injection mold; It is characterized in that: said sliding die also comprises hold-down screw; Said slide block offers through hole; Said hold-down screw passes the bottom that said through hole is fixed in said sliding tray, and when said slide block slided, said hold-down screw is slide relative in said through hole.

5. terminal as claimed in claim 4 side location injection mold, it is characterized in that: said through hole is a mounting hole, and an end of said mounting hole is radial expansion from inside to outside, and the ailhead of said hold-down screw is placed in the end that said mounting hole expands.

6. location, terminal as claimed in claim 1 side injection mold; It is characterized in that: said male model comprises the first male model benevolence and the second male model benevolence; The said first male model benevolence and the second male model benevolence cooperate forms said male model; Said master mold comprises first mother module core and second mother module core, and said first mother module core and second mother module core cooperate forms said master mold, and is in the top of said male model.