CN203031881U

CN203031881U - Double-ejection ejector pin stripping die

Info

Publication number: CN203031881U
Application number: CN 201320011898
Authority: CN
Inventors: 张志才
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-10
Filing date: 2013-01-10
Publication date: 2013-07-03
Anticipated expiration: 2023-01-10

Abstract

The utility model discloses a double-ejection ejector pin stripping die. The stripping die comprises a bottom plate, an ejector pin plate, a forming die plate and an ejecting mechanism, wherein the ejector pin plate is arranged on the bottom plate; the bottom of the ejecting mechanism is arranged in the ejector pin plate; ejector pins of the ejecting mechanism support against a formed product after passing through the bottom of the forming die plate; the ejecting mechanism comprises a first ejecting mechanism for primary ejection and a second ejecting mechanism for secondary ejection; and the second ejecting mechanism is internally provided with a lever transmission device for driving the ejector pins to implement secondary ejection. The double-ejection ejector pin stripping die is provided with the second ejecting mechanism capable of implementing secondary ejection, and a spacing piece for counter pressure is designed on the second ejecting mechanism through the lever transmission device so as to push the ejector pins to implement secondary ejection, so that the problem that a traditional ejecting mechanism is not thorough in ejection and incapable of realizing complete stripping is solved, the product with deep button placement can be separated from the die and then taken away by a mechanical arm, the labor is saved, and the efficiency is enhanced.

Description

Secondary ejects the thimble demoulding mould

[technical field]

The utility model relates to the injection mold field, relates in particular to phone housing injection moulding demoulding mould, a kind ofly divides two demoulding moulds that step ejects respectively in knockout course.

[background technology]

The utility model relates to electronic product casing, enclosing cover, base portion injection moulding production line, in present electronic product field, especially mobile phone, panel computer, the electronic product of portable media player, development rapidly, the design style is various, basic trend is streamlined, frivolous, portable, the super large display screen, touch control, no matter the shell of these products is metal or working of plastics, all need be in smaller size smaller, finish screen on the integrated shell, operating key, earpiece holes, the SD card, functional interface designs such as charging socket, along with product is more and more exquisiter small and exquisite, internal structure but becomes increasingly complex, some position, hole and buckle are done deeply and are small and exquisite, assemble that no doubt outward appearance is succinct and attractive in appearance, but but manufacture craft is proposed the challenge of more renewals, need injection moulding and releasing process to improve constantly and perfect.

At present for the phone housing production technology, traditional product ejecting mechanism is patrix/counterdie of leaving mould, from the mould that product fixes, stretch out ejecting mechanism and eject product, because ejecting mechanism itself is embedded in the mould, should not adopt big block mechanism as ejecting mechanism, so all be to adopt a plurality of thimbles in the general industry, from mould, eject from each different position with injection casing, and button bit is many, it is more big that the position of sunk structure needs thimble to eject dynamics, the thimble that is arranged in the single zone is more intensive, but along with structural design is developed more more complicated, some button bit is too dark, the situation that can't eject fully appears in the process that ejects with thimble, on subsequent pipeline, can't realize taking off product and carrying with manipulator, after such situation occurring, under the situation that does not change the ejecting structure design, some manufacturer can only adopt the mode of taking off product manually, as a kind of scheme of remedying, but this mode labor intensive resource, have a strong impact on efficient, low and the cost height of production capacity.

[summary of the invention]

The utility model has proposed a kind of solution extrusion technique deficiency at above problem, can eject injecting products completely, ejects the thimble demoulding mould with the take secondary of product of cooperative mechanical hand, enhances productivity, realizes the industry automation, saves production cost.

Described in the utility modelly relate to a kind of secondary and eject the thimble demoulding mould, this demoulding mould comprises base plate, ejector retainner plate, forming panel and ejecting mechanism, ejector retainner plate is arranged on the base plate, the ejecting mechanism bottom is installed in the ejector retainner plate, the thimble of ejecting mechanism withstands on the formed product by the forming panel bottom; Described ejecting mechanism comprises second ejecting mechanism that first ejecting mechanism that once ejects and secondary eject, and is provided with to drive thimble and carry out the lever tumbler that secondary ejects in described second ejecting mechanism.

Described first ejecting mechanism comprises first thimble.

Described second ejecting mechanism comprises second thimble and lever tumbler, wherein the lever tumbler comprises locating part, guide pad, resetting block and rotating shaft, described resetting block is installed within the ejector retainner plate, is fixed on the base plate, described guide pad is installed on the resetting block, block reset around the shaft is reset after the rotation, described guide pad both sides, two of rotating shaft are rotated end and are respectively equipped with locating part and thimble.

Resetting block is locked on the base plate by fixed screw, and resetting block withstands on the guide pad bottom, and is corresponding below the thimble side, pushes guide pad and resets.

Be provided with a plurality of first ejecting mechanisms and four second ejecting mechanisms at base plate, the position, four angles of four corresponding rectangular products of second ejecting mechanism difference.

The utlity model has and to carry out second ejecting mechanism that secondary ejects, this mechanism utilizes the lever tumbler, design the locating part back-pressure, carry out secondary and eject and promote thimble, can solve original ejecting mechanism ejects thorough inadequately, the problem of the demoulding can allow the product with dark button bit can be taken by manipulator after mould separating comes out fully, saves manually, raises the efficiency.

[description of drawings]

Fig. 1 is that the utility model secondary ejects thimble demoulding mould structure cutaway view;

Fig. 2 is that the utility model secondary ejects thimble demoulding mould structural representation;

Fig. 3 is the described second ejecting mechanism structural representation.

Wherein: 10, base plate; 20, ejector retainner plate; 30, forming panel; 40, ejecting mechanism; 41, first ejecting mechanism; 411, first thimble; 42, second ejecting mechanism; 421, second thimble; 422, locating part; 423, guide pad; 424, resetting block; 4241, fixed screw; 425, rotating shaft;

[specific embodiment]

Below in conjunction with drawings and Examples the utility model is elaborated.

Please refer to Fig. 1, described secondary ejects the thimble demoulding mould shown in it, this demoulding mould comprises base plate 10, ejector retainner plate 20, forming panel 30 and ejecting mechanism 40, described ejector retainner plate 20 is arranged on the base plate 10, ejecting mechanism 40 bottoms are installed in the ejector retainner plate 20, the thimble of ejecting mechanism 40 withstands on the formed product by at the bottom of the forming panel 30 ones; Described ejecting mechanism 40 comprises second ejecting mechanism 42 that first ejecting mechanism 41 that once ejects and secondary eject, and is provided with to drive thimble and carry out the lever tumbler that secondary ejects in described second ejecting mechanism 42.

From figure, base plate 10 and ejector retainner plate 20 combine, apart from forming panel 30 certain locus is arranged, and be connected to get up by ejecting mechanism 40 between base plate 10, ejector retainner plate 20 and the forming panel 30, ejecting mechanism 40 bottoms are fixedly mounted on the base plate 10 by ejector retainner plate 20, and thimble reaches in the forming panel 30, and as the power part that ejects formed product, and product is injected and molded in the forming panel 30; Ejecting mechanism 40 also is divided into first ejecting mechanism 41 and second ejecting mechanism 42, and both cooperations are finished twice of going up from the time and ejected action.

In first ejecting mechanism 41, has first thimble 411, described second ejecting mechanism 42 comprises second thimble 421 and lever tumbler, comprise locating part 422, guide pad 423, resetting block 424 and rotating shaft 425 in the lever tumbler, described resetting block 424 is installed within the ejector retainner plate 20, is fixed on the base plate 10, described guide pad 423 is installed on the resetting block 424, block reset around the shaft is reset after 425 rotations, described guide pad 423 both sides, two of rotating shaft 425 are rotated end and are respectively equipped with locating part 422 and second thimble.

Described resetting block 424 is locked on the base plate 10 by fixed screw 4241, and resetting block withstands on the guide pad bottom, and is corresponding below the thimble side, pushes guide pad and resets.

Be provided with the position, four angles of several first ejecting mechanisms 41 and four corresponding rectangular products of second ejecting mechanism, 42, four second ejecting mechanisms, 42 difference at base plate.

Ejecting in the process for the first time, though first ejecting mechanism or second ejecting mechanism all simultaneously product is ejected action, and along with ejecting mechanism moves towards forming panel, locating part touches the forming panel bottom, be locked movement, be subjected to locomotivity and promote, impel locating part is produced the power of oppositely retrodicting, locating part withstands on the forming panel bottom, press down, be pressed in a side of guide pad, pressing down under the dynamics effect, guide pad rotates around the axis, locating part one side presses down, then the second thimble side upwarps, and ejects action for the second time so cause second thimble to produce, and up hill and dale product is spun off from mould, next just can successfully adopt the mechanical arm product of taking, the output depanning is complete, does not have distortion, and thorough with mould separating, even using mechanical arm takes, also can take off smoothly, significantly improve production operation efficiency, improve overall throughput.

The above, it only is the utility model preferred embodiment, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, refer to any simple modification that above embodiment is done according to the utility model technology, equivalent variations and modification all belong in the scope of technical solutions of the utility model.

Claims

1. a secondary ejects the thimble demoulding mould, this demoulding mould comprises base plate, ejector retainner plate, forming panel and ejecting mechanism, and ejector retainner plate is arranged on the base plate, and the ejecting mechanism bottom is installed in the ejector retainner plate, the thimble of ejecting mechanism withstands on the formed product by the forming panel bottom; Described ejecting mechanism comprises second ejecting mechanism that first ejecting mechanism that once ejects and secondary eject, and is provided with to drive thimble and carry out the lever tumbler that secondary ejects in described second ejecting mechanism.

2. eject the thimble demoulding mould according to the described secondary of claim 1, it is characterized in that, described first ejecting mechanism comprises first thimble.

3. eject the thimble demoulding mould according to the described secondary of claim 1, it is characterized in that, described second ejecting mechanism comprises second thimble and lever tumbler, wherein the lever tumbler comprises locating part, guide pad, resetting block and rotating shaft, described resetting block is installed within the ejector retainner plate, is fixed on the base plate, and described guide pad is installed on the resetting block, and block reset around the shaft is reset after the rotation, described guide pad both sides, two of rotating shaft are rotated end and are respectively equipped with locating part and thimble.

4. eject the thimble demoulding mould according to the described secondary of claim 3, it is characterized in that, described resetting block is locked on the base plate by fixed screw, and resetting block withstands on the guide pad bottom, and is corresponding below the thimble side, pushes guide pad and resets.

5. eject the thimble demoulding mould according to the described secondary of claim 1, it is characterized in that, be provided with a plurality of first ejecting mechanisms and four second ejecting mechanisms at base plate, the position, four angles of four corresponding rectangular products of second ejecting mechanism difference.