CN214640174U

CN214640174U - Multi-cavity die-casting forming die for optical module body

Info

Publication number: CN214640174U
Application number: CN202120433760.7U
Authority: CN
Inventors: 陈荣才; 汪仁国
Original assignee: Shenzhen Baotian Precision Technology Co Ltd
Current assignee: Shenzhen Baotian Precision Technology Co Ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-09
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses an optical module body multicavity die-casting forming die, the butt joint has the reposition of redundant personnel awl in the runner cover of its fixed die plate, has a plurality of subchannels along the circumference equipartition on the lateral wall of reposition of redundant personnel awl. The bottom end face of the fixed die plate is provided with side runners which are communicated with the plurality of sub runners in a one-to-one correspondence manner. The top of the movable template is provided with a mold core which is in one-to-one correspondence with the side runners, the two sides of the mold core are respectively provided with a characteristic used for forming the two sides of the optical module body and can eject an inclined ejection block of the optical module body, and the front of the mold core is provided with a sliding block used for forming the characteristics of an optical receiving hole and an optical emitting hole on the optical module body in a sliding manner. The bottom of the inclined ejector block is provided with an ejector rod, and the bottom of the ejector rod is connected with the ejector plate. The utility model has the advantages that: the sliding block for forming the side surface characteristics of the module body is omitted, the structure of the die is greatly simplified, the number of cores which can be arranged on the movable die plate is greatly increased, the production efficiency of the die can be greatly improved, and the market demand is met.

Description

Multi-cavity die-casting forming die for optical module body

Technical Field

The utility model relates to an optical module body die-casting forming's technical field, in particular to optical module body multicavity die-casting forming die.

Background

The optical module body is a main body part for assembling the optical communication module and is mainly formed by die casting of zinc alloy. With the development of 5G communication services, the demand of the market for the optical module body is increasing, the quality requirement for the optical module body is stricter, and meanwhile, the requirement of customers for delivery date is shorter and shorter. The existing die for die-casting the optical module body generally adopts a structure that a sliding block (or a slide way) is arranged on the side surface for forming, and the sliding block (or the slide way) occupies a larger space on a movable template or a fixed template, so that the space for arranging a core on the movable template or the fixed template is small, only one die can be used for one hole or one die can be used for two holes, the production efficiency is very low, and the market demand is difficult to meet.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims at providing an optical module body multicavity die-casting forming die, and it is very low to aim at solving current adoption side and set up the mould production efficiency that the slider comes the die-casting shaping optical module body, hardly satisfies the problem of the demand in market.

In order to achieve the above object, the utility model provides an optical module body multicavity die-casting forming die, include: the fixed die plate, the movable die plate and the ejector plate are sequentially arranged from top to bottom, and the bottom end face of the fixed die plate and the top end face of the movable die plate can be sealed and tightly matched to form a parting surface. The fixed die plate is provided with a sprue bush which is vertically communicated with the parting surface, a shunting cone is butted in the sprue bush, and a plurality of shunting channels are uniformly distributed on the outer side wall of the shunting cone along the circumferential direction. The bottom end face of the fixed die plate is provided with side runners which are communicated with the plurality of sub runners in a one-to-one correspondence manner. And a mold core which corresponds to the side runners one by one and is used for molding the bottom characteristics of the optical module body is arranged at the top of the movable mold plate. Through holes are formed in the two sides of the mold core, oblique jacking blocks used for forming the characteristics of the two sides of the optical module body are arranged in the through holes, and the oblique jacking blocks can slide in the through holes obliquely upwards or obliquely downwards. The side runner is arranged right above a gap between the corresponding mold core and one of the inclined ejecting blocks. And the front surface of the core is provided with a sliding block in a sliding manner, wherein the sliding block is used for molding the characteristics of the light receiving hole and the light emitting hole on the optical module body. The bottom of the inclined ejector block is provided with an ejector rod, and the bottom of the ejector rod is connected with the ejector plate.

Preferably, the tap cone comprises: straight sections and tapered sections. The straight section is fixed in the movable mould plate, and the top of the straight section is flush with the top end face of the movable mould plate. The conical section is arranged at the top of the straight section and is inserted into the sprue bush and is abutted against the inner wall of the sprue bush.

Preferably, the cross section of the branch channel is a semicircular arc section.

Preferably, the side flow channel is arc-shaped along the length direction, and the cross section of the side flow channel is also a semi-arc section.

Preferably, the cross-section of the side runner is tapered from one end of the branch runner toward one end of the core.

Preferably, the lifter block includes: ejecting a guide plate and ejecting a forming block. The inner wall of the through hole is provided with a chute, and the ejection guide plate slides in the chute. And the ejection forming block is fixed on the side wall of the top end of the ejection guide plate facing the mold core, and the ejection forming block forms the characteristics of two sides of the optical module body.

Preferably, the sliding block is arranged on the movable template in a sliding mode, and the shovel machine used for driving the sliding block to slide on the movable template is arranged on the fixed template.

Preferably, the top end of the ejector rod is provided with a T-shaped connecting part, the bottom end of the ejection guide plate is provided with a T-shaped clamping groove, and the T-shaped connecting part is clamped in the T-shaped clamping groove.

Preferably, the bottom of the movable die plate is fixed with a movable die base plate, and the inclined ejector block can partially slide into the movable die base plate downwards. The movable mould seat plate is internally provided with a guide hole for the ejector rod to slide up and down, a guide sleeve is embedded in the guide hole, and the guide sleeve is sleeved on the ejector rod.

Preferably, the ejection guide plate and the ejection forming block are both made of die steel.

Compared with the prior art, the beneficial effects of the utility model reside in that: through adopting the characteristics of two sides of oblique kicking block direct forming optical module body, saved the slider that is used for shaping module body side characteristic, simplified the structure of mould greatly for the core quantity greatly increased that can arrange on the movable mould board, thereby can greatly improve the production efficiency of mould, satisfied market demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of an explosion structure according to an embodiment of the present invention;

fig. 2 is a schematic bottom perspective view of a fixed mold plate according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an embodiment of the invention in which the lifter block is assembled with the core;

the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The utility model provides an optical module body multicavity die-casting forming die.

Referring to fig. 1-3, fig. 1 is an explosion structure diagram of an embodiment of the present invention, fig. 2 is a bottom three-dimensional structure diagram of a fixed mold plate of an embodiment of the present invention, and fig. 3 is a structure diagram of an embodiment of the present invention in which an oblique ejector block is assembled with a core.

As shown in fig. 1, in the embodiment of the present invention, this multi-cavity die-casting mold for optical module body includes: the fixed die plate 100, the movable die plate 200 and the ejector plate 300 are sequentially arranged from top to bottom, and the bottom end face of the fixed die plate 100 and the top end face of the movable die plate 200 can be sealed and tightly pressed to form a parting surface.

Be equipped with the sprue bush 110 with the perpendicular intercommunication of die joint on the fixed die plate 100, the butt has the spreader 210 in sprue bush 110, and spreader 210 includes: a straight section 212 and a tapered section 213. The straight section 212 is fixed in the movable die plate 200, and the top of the straight section 212 is flush with the top end surface of the movable die plate 200. The tapered section 213 is disposed at the top of the straight section 212, and the tapered section 213 is inserted into the sprue bushing 110 and abuts the inner wall of the sprue bushing 110.

The outer side wall of the diverging cone 210 is uniformly provided with a plurality of diverging channels 211 along the circumferential direction, so that the molten material flowing from the sprue bush can be uniformly distributed during the die-casting molding, and the cross section of the diverging channels 211 is a semi-circular cross section, so that the molten material can smoothly flow through the diverging channels 211.

As shown in fig. 1-2, the bottom end surface of the fixed die plate 100 is provided with side runners 120 which are in one-to-one correspondence with the plurality of runners 211, and the melt flows into each side runner 120 after flowing out through the runners 211. The side runner 120 is arc-shaped along the length direction, so that the flowing resistance of the molten material in the side runner 120 can be ensured to be small, and the molten material at the front end cannot be solidified before entering the mold core, so that the side runner 120 can be designed to be longer, and the plurality of mold cores can be conveniently arranged on the movable mold plate 200, and the productivity can be improved. The cross section of the side channel 120 is also a semi-circular section, which further reduces the flow resistance of the molten material in the side channel 120.

Since the melt at the front end is cooled first to increase the resistance of the melt flow when the melt flows in the longer side channel 120, in the embodiment, the cross section of the side channel 120 is gradually reduced from one end of the branched channel 211 to one end of the core 220, so that the melt at the front end is ensured to receive the maximum pressure of the die casting, and the melt at the front end flows very smoothly.

As shown in fig. 1-3, a core 220 is disposed on the top of the movable mold plate 200, corresponding to the plurality of side runners 120 one by one, and used for molding the bottom feature of the optical module body.

Through holes are formed in both sides of the mold core 220, oblique jacking blocks 400 used for forming features on both sides of the optical module body are arranged in the through holes, and the oblique jacking blocks 400 can slide in the through holes in an oblique upward or oblique downward mode. The side runner 120 is disposed directly above a gap between the corresponding core 220 and one of the lifter blocks 400. The melt flows into the core 220 from the side runner 120, and is cooled and molded at the core position to form an optical module body. When the molded optical module body is demolded, the inclined ejecting block 400 slides in the through hole in an inclined direction to eject the molded optical module body. When the mold is closed, the inclined ejecting block 400 slides obliquely downwards in the through hole to reset to the molding position, and the side features of the optical module body are molded during die-casting molding.

Through adopting the characteristics of two sides of the optical module body of direct molding of oblique kicking block 400, saved the slider 230 that is used for shaping module body side characteristic, simplified the structure of mould greatly for the core 220 that can arrange on the movable mould board 200 quantity greatly increased, can reach more than four caves of a mould, thereby can greatly improve the production efficiency of mould, in order to satisfy the market demand.

The lifter block 400 includes: an ejection guide plate 410 and an ejection molding block 420. The inner wall of the through hole is provided with a chute in which the ejection guide plate 410 slides. The ejection molding block 420 is fixed on the sidewall of the top end of the ejection guide plate 410 facing the core 220, and the ejection molding block 420 molds the features of both sides of the optical module body.

The inclined ejecting block 400 is arranged into the ejecting guide plate 410 and the ejecting forming block 420, so that the ejecting forming block 420 can be replaced according to different side features of different optical module bodies, the die is more flexible to use, and the application range is wider.

The front surface of the core 220 is slidably provided with a slider 230 for forming the characteristics of a light receiving hole and a light emitting hole on the optical module body, the slider 230 is slidably provided on the movable mold plate 200, and the fixed mold plate 100 is provided with a shovel 130 for driving the slider 230 to slide on the movable mold plate 200. In the mold opening process, the fixed mold plate 100 and the movable mold plate 200 are gradually opened, and the driving rod at the bottom of the shovel machine 130 drives the sliding block 230 to slide towards the direction far away from the mold core, so that synchronous demolding is realized. In the mold closing process, the fixed mold plate 100 and the movable mold plate 200 are gradually closed, and the driving rod at the bottom of the shovel 130 drives the slide block 230 to slide towards the direction close to the mold core, so that synchronous mold closing is realized.

The bottom of the inclined ejector block 400 is provided with an ejector rod 500, the top end of the ejector rod 500 is provided with a T-shaped connecting part 510, the bottom end of the ejection guide plate 410 is provided with a T-shaped clamping groove 411, and the T-shaped connecting part 510 is clamped into the T-shaped clamping groove 411, so that the ejector rod 500 can be conveniently installed at the bottom of the ejection guide plate 410, and the bottom of the ejector rod 500 is connected with the ejection plate 300.

A movable mold base plate (not shown) is fixed to the bottom of the movable mold plate 200, and the inclined top block 400 can partially slide into the movable mold base plate downwards. A guide hole for the ejector rod 500 to slide up and down is formed in the movable mold seat plate, a guide sleeve 520 is embedded in the guide hole, and the guide sleeve 520 is arranged on the ejector rod 500. Through setting up guiding hole and uide bushing 520, can guarantee the accuracy nature of ejector pin 500 up-and-down motion to improve the precision of die-casting shaping optical module body.

Preferably, in this embodiment, the ejection guide plate 410 and the ejection molding block 420 are both made of a mold steel with high strength and thermal stability, so as to ensure the precision of die-casting the optical module body.

In this embodiment, a temperature control unit for adjusting the temperature of the melt in the runner can be separately arranged in the tap cone, a temperature control unit for adjusting the temperature of the melt in the side runner can be separately arranged in the fixed die plate, a temperature control unit for adjusting the temperature of the core can be separately arranged in the movable die plate, and a temperature control unit for adjusting the temperature of the inclined top block can be separately arranged in the inclined top block 400, for example, water paths connected with an external mold temperature machine are respectively arranged in the tap cone, the fixed die plate, the movable die plate and the inclined top block 400, and the balance control of the mold temperature can be achieved by adopting computer aided analysis and design technology, variable temperature control technology, regional mold temperature control technology and other technologies, so that the precision of the die-cast optical module body is higher, and the product precision can reach 0.02 mm.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A multi-cavity die-casting forming die for an optical module body comprises: the ejection mechanism comprises a fixed template, a movable template and an ejection plate which are sequentially arranged from top to bottom, wherein the bottom end surface of the fixed template and the top end surface of the movable template can be sealed and tightly matched to form a parting surface; the sprue bushing is characterized in that a sprue bushing vertically communicated with a parting surface is arranged on the fixed die plate, a shunting cone is abutted in the sprue bushing, and a plurality of shunting channels are uniformly distributed on the outer side wall of the shunting cone along the circumferential direction; the bottom end face of the fixed template is provided with side runners which are communicated with the plurality of sub runners in a one-to-one correspondence manner; the top of the movable template is provided with a mold core which corresponds to the side runners one by one and is used for molding the bottom characteristics of the optical module body; through holes are formed in the two sides of the mold core, oblique jacking blocks used for forming the characteristics of the two sides of the optical module body are arranged in the through holes, and the oblique jacking blocks can slide in the through holes in an oblique upward or oblique downward mode; the side runner is arranged right above a gap between the mold core corresponding to the side runner and one of the inclined ejecting blocks; the front surface of the core is provided with a sliding block in a sliding manner, wherein the sliding block is used for forming the characteristics of a light receiving hole and a light emitting hole on the optical module body; and the bottom of the inclined ejector block is provided with an ejector rod, and the bottom of the ejector rod is connected with the ejector plate.

2. The multi-cavity die-casting mold for a photonics module body according to claim 1, wherein the tap cone comprises: a straight section and a tapered section; the straight section is fixed in the movable template, and the top of the straight section is flush with the end face of the top of the movable template; the conical section is arranged at the top of the straight section and inserted into the sprue bush and is abutted against the inner wall of the sprue bush.

3. The multi-cavity die-casting mold for optical module bodies according to claim 1, wherein the cross section of the branch channel has a semicircular cross section.

4. The multi-cavity die-casting mold for optical module bodies according to claim 1, wherein the side runners are arc-shaped along the length direction, and the cross section of the side runners is also a semi-arc section.

5. The multi-cavity die-casting mold for a photo module body according to claim 1, wherein the cross-section of the side runner is gradually reduced from one end of the branch runner toward one end of the core.

6. The multi-cavity die-casting mold for a photonics module body according to claim 1, wherein the lifter block includes: ejecting a guide plate and ejecting a forming block; the inner wall of the through hole is provided with a chute, and the ejection guide plate slides in the chute; the ejection forming block is fixed on the side wall of the top end of the ejection guide plate, which faces the mold core, and the ejection forming block forms the characteristics of two sides of the optical module body.

7. The multi-cavity die-casting mold for the optical module body according to any one of claims 1 to 6, wherein the slide block is slidably disposed on the movable mold plate, and a shovel machine for driving the slide block to slide on the movable mold plate is disposed on the fixed mold plate.

8. The multi-cavity die-casting mold for an optical module body according to claim 6, wherein a top end of the ejector rod is provided with a T-shaped connecting portion, a bottom end of the ejector guide plate is provided with a T-shaped slot, and the T-shaped connecting portion is inserted into the T-shaped slot.

9. The multi-cavity die-casting mold for an optical module body according to claim 8, wherein a movable mold base plate is fixed to a bottom portion of the movable mold plate, and the lifter block is partially slidable downward into the movable mold base plate; the movable die base plate is internally provided with a guide hole for the ejector rod to slide up and down, a guide sleeve is embedded in the guide hole, and the guide sleeve is sleeved on the ejector rod.

10. The multi-cavity die-casting mold for optical module bodies according to claim 6, wherein the ejecting guide plate and the ejecting forming block are made of mold steel.