CN211221869U

CN211221869U - Shell injection mold

Info

Publication number: CN211221869U
Application number: CN201922166774.2U
Authority: CN
Inventors: 赖行进
Original assignee: Foshan Wangyingyu Electrical Appliance Co ltd
Current assignee: Foshan Wangyingyu Electrical Appliance Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-11
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a shell injection mold, including die carrier, preceding mold core, back mold core, slider, thimble board and thimble, on the die carrier was all located to preceding mold core, back mold core and thimble board, preceding mold core was equipped with the die cavity, and back mold core is equipped with the terrace die corresponding with the die cavity, and on the thimble board was located to the one end of thimble, the other end ran through behind the back mold core corresponding with the die cavity, the slider was two, locates the both sides of terrace die respectively, and the bottom of slider cooperatees with the terminal surface of back mold core. Through being equipped with the slider, consequently, can be so that the shell mould plastics between die cavity and terrace die and accomplish the back, when the drawing of patterns, the slider removes along with back mould core syntropy is far away from preceding mould core one side, removes the back of targetting in place, along with the outside ejecting shell of thimble, the slider removes to both sides, can guarantee the slider place from this, the integrality of shell opening part promptly has guaranteed the quality when the product drawing of patterns.

Description

Shell injection mold

Technical Field

The utility model belongs to an injection moulding mould especially relates to a shell injection mold.

Background

In the injection molding process of the shell of the soybean milk machine or the wall breaking machine, because of the particularity of the shape of the shell, inclined openings are formed in two sides of the shell, so that the phenomena of abrasion and breakage are easy to occur at the openings during demolding, the demolding is inconvenient, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell injection mold can solve at least one in the above-mentioned problem.

According to the utility model discloses an aspect provides a shell injection mold, including die carrier, preceding mold core, back mold core, slider, thimble board and thimble, on the die carrier was all located to preceding mold core, back mold core and thimble board, preceding mold core was equipped with the die cavity, and back mold core was equipped with the terrace die corresponding with the die cavity, and on the thimble board was located to the one end of thimble, the other end ran through behind the back mold core corresponding with the die cavity, the slider was two, locates the both sides of terrace die respectively, and the bottom of slider cooperatees with the terminal surface of back mold core.

The utility model has the advantages that: through being equipped with the slider, consequently, can be so that the shell mould plastics between die cavity and terrace die and accomplish the back, when the drawing of patterns, the slider removes along with back mould core syntropy is far away from preceding mould core one side, removes the back of targetting in place, along with the outside ejecting shell of thimble, the slider removes to both sides, can guarantee the slider place from this, the integrality of shell opening part promptly has guaranteed the quality when the product drawing of patterns.

In some embodiments, a protrusion is disposed on one side of the slider, the protrusion abuts against a male die of the rear die core, a guide groove is disposed on the rear die core, and a guide rail is disposed at the bottom of the slider and is matched with the guide groove. Therefore, the sliding block can be guaranteed to move along the guide groove, the shell is guaranteed not to be collided by the sliding block when being demoulded, and the quality of the shell is guaranteed.

In some embodiments, the housing injection mold further comprises a front mold plate, and the front mold plate is sleeved outside the front mold core. From this, be equipped with preceding template, the installation and the fixed of mold core before can making things convenient for realize the accurate location of preceding mold core, the effectual quality of guaranteeing the product.

In some embodiments, the housing injection mold further comprises a rear mold plate, the rear mold plate being nested outside the rear mold core. Therefore, the rear template is arranged, so that the installation and the fixation of the rear mold core can be facilitated.

In some embodiments, the front mold core is provided with a first flow passage and a second flow passage, the first flow passage and the second flow passage are both communicated with the mold cavity, the front mold core is provided with a plurality of first flow passage openings, the first flow passage is communicated with one first flow passage opening, the second flow passage is communicated with the other first flow passage opening, the number of the first flow passages is two, the number of the second flow passages is two, and the distance between the two first flow passages is smaller than the distance between the two second flow passages. From this, through being equipped with first runner and second runner, can carry out the injecting glue in the die cavity, and through the setting of distance between the runner for fill in the die cavity and glue evenly, guaranteed the quality of product.

In some embodiments, the rear mold core is provided with a third flow channel and a fourth flow channel, the third flow channel and the fourth flow channel are both communicated with the mold cavity, the rear mold core is provided with a plurality of second flow channel openings, the third flow channel is communicated with one of the second flow channel openings, the fourth flow channel is communicated with the other second flow channel opening, the number of the third flow channels is two, the number of the fourth flow channels is two, and the distance between the two third flow channels is smaller than the distance between the two fourth flow channels. From this, through being equipped with third runner and fourth runner, can carry out the injecting glue in the die cavity, and through the setting of distance between the runner for fill in the die cavity and glue evenly, guaranteed the quality of product.

In some embodiments, there are five thimbles. Therefore, the ejector pin can stably eject the molded shell.

Drawings

FIG. 1 is a schematic structural view of the injection mold for housing of the present invention;

FIG. 2 is a schematic structural view of the injection mold for housing of the present invention with the front and rear mold plates removed;

FIG. 3 is a schematic view of an exploded structure of a slider and a rear mold core in the injection mold for a housing of the present invention;

FIG. 4 is a schematic structural view of a rear mold plate in the injection mold for a housing of the present invention;

FIG. 5 is a schematic structural view of a front mold plate in the injection mold for housing of the present invention;

FIG. 6 is a schematic structural view of a front mold core in the injection mold for a housing of the present invention;

FIG. 7 is a schematic cross-sectional view of the front mold core of the injection mold for housing of the present invention;

fig. 8 is a schematic view of the sectional structure of the rear mold core in the injection mold for housing of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 6: outer shell injection mold, including die carrier 1, preceding mold core 2, back mold core 3, slider 4, thimble board 5 and thimble 6, preceding mold core 2, back mold core 3 and thimble board 5 are all located on die carrier 1, preceding mold core 2 is equipped with die cavity 21, back mold core 3 is equipped with the terrace die 31 corresponding with die cavity 21, thimble board 5 is located to the one end of thimble 6, the other end runs through behind the back mold core 3 corresponding with die cavity 21, slider 4 is two, locate terrace die 31's both sides respectively, the bottom of slider 4 cooperatees with the terminal surface of back mold core 3.

When the shell injection mold of the utility model is used, the colloid is injected into the cavity formed by combining the cavity 21 and the male mold 31, after the molding, the front mold core 2 is separated from the rear mold core 3, the product is left on the rear mold core 3, and the product is ejected out through the thimble 6; meanwhile, the sliding block 4 moves towards one side far away from the product, so that the two side openings of the shell can be conveniently demoulded.

One side of the sliding block 4 is provided with a protrusion 41, the protrusion 41 is abutted against the male die 31 of the rear die core 3, the rear die core 3 is provided with a guide groove 32, the bottom of the sliding block 4 is provided with a guide rail 42, and the guide rail 42 is matched with the guide groove 32.

The shell injection mold further comprises a front template 7, and the front template 7 is sleeved on the outer side of the front mold core 2. A first accommodating cavity 71 is formed in the front template 7, the first accommodating cavity 71 is matched with the front mold core 2, the front mold core 2 is directly placed in the first accommodating cavity, and then the front mold core is screwed and fixed through bolts. Through being equipped with first holding chamber 71, the quick installation and the fixed of preceding mold core 2 can be realized, do benefit to and improve the installation effectiveness.

The shell injection mold further comprises a rear template 8, and the rear template 8 is sleeved on the outer side of the rear mold core 3. Be equipped with second holding chamber 81 on the back template 8, second holding chamber 81 and back die core 3 phase-matches, back die core 3 directly places in second holding chamber 81, then screw up through the bolt fixed can, make things convenient for the installation and the fixed of back die core 3, do benefit to and improve the installation effectiveness.

As shown in fig. 1, 7 and 8, the front mold core 2 is provided with a first flow passage 22 and a second flow passage 23, the first flow passage 22 and the second flow passage 23 are both communicated with the mold cavity 21, the front mold core 2 is provided with a plurality of first flow passage openings 24, the first flow passage 22 is communicated with one first flow passage opening 24, the second flow passage 23 is communicated with the other first flow passage opening 24, the number of the first flow passages 22 is two, the number of the second flow passages 23 is two, and the distance between the two first flow passages 22 is smaller than the distance between the two second flow passages 23. From this, the distance between two first flow channels 22 is less than the distance between two second flow channels 23, can be so that under the unanimous condition of colloid velocity of flow, can carry out even injecting glue to the different height dimension position departments of die cavity, can guarantee the homogeneity of product injecting glue from this to the shaping quality of product has been guaranteed.

The rear mold core 3 is provided with a third flow channel 33 and a fourth flow channel 34, the third flow channel 33 and the fourth flow channel 34 are both communicated with the mold cavity 21, the rear mold core 3 is provided with a plurality of second flow channel openings 35, the third flow channel 33 is communicated with one of the second flow channel openings 35, the fourth flow channel 34 is communicated with the other second flow channel opening 35, the number of the third flow channel 33 is two, the number of the fourth flow channel 34 is two, and the distance between the two third flow channels 33 is smaller than the distance between the two fourth flow channels 34. Therefore, the distance between the two third flow channels 33 is smaller than the distance between the two fourth flow channels 34, so that glue can be uniformly injected at positions with different heights of the cavity under the condition that the flow rates of the glue are consistent, the uniformity of glue injection of the product can be ensured, and the forming quality of the product is ensured.

In order to ensure that the ejector pins 6 can eject the product stably, the ejector pins 6 are five, two ejector pins are arranged on two sides of the product respectively, and one ejector pin is arranged in the middle of the product, so that the ejector pins 6 can act on the product stably, and the product is guaranteed to be demolded smoothly.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.

Claims

1. Shell injection mold, its characterized in that, including die carrier (1), preceding die core (2), back die core (3), slider (4), thimble board (5) and thimble (6), preceding die core (2), back die core (3) and thimble board (5) are all located on die carrier (1), preceding die core (2) are equipped with die cavity (21), back die core (3) are equipped with terrace die (31) corresponding with die cavity (21), on thimble board (5) was located to the one end of thimble (6), the other end runs through back die core (3) back corresponding with die cavity (21), slider (4) are two, locate the both sides of terrace die (31) respectively, the bottom of slider (4) cooperatees with the terminal surface of back die core (3).

2. An injection mold for shells according to claim 1, characterized in that a protrusion (41) is provided on one side of the slide block (4), the protrusion (41) abuts against a male mold (31) of the rear mold core (3), a guide groove (32) is provided on the rear mold core (3), a guide rail (42) is provided on the bottom of the slide block (4), and the guide rail (42) is matched with the guide groove (32).

3. The injection mold for shells as claimed in claim 2, further comprising a front mold plate (7), wherein said front mold plate (7) is sleeved outside the front mold core (2).

4. The injection mold for shells as claimed in claim 3, further comprising a rear mold plate (8), wherein the rear mold plate (8) is sleeved outside the rear mold core (3).

5. The shell injection mold according to claim 3 or 4, characterized in that the front mold core (2) is provided with a first flow channel (22) and a second flow channel (23), the first flow channel (22) and the second flow channel (23) are both communicated with the mold cavity (21), the front mold core (2) is provided with a plurality of first flow channel openings (24), the first flow channel (22) is communicated with one of the first flow channel openings (24), the second flow channel (23) is communicated with the other first flow channel opening (24), the first flow channel (22) is two, the second flow channel (23) is two, and the distance between the two first flow channels (22) is smaller than the distance between the two second flow channels (23).

6. The shell injection mold according to claim 4, characterized in that the rear mold core (3) is provided with a third flow channel (33) and a fourth flow channel (34), the third flow channel (33) and the fourth flow channel (34) are both communicated with the mold cavity (21), the rear mold core (3) is provided with a plurality of second flow channel openings (35), the third flow channel (33) is communicated with one of the second flow channel openings (35), the fourth flow channel (34) is communicated with the other second flow channel opening (35), the third flow channel (33) is two, the fourth flow channel (34) is two, and the distance between the two third flow channels (33) is smaller than the distance between the two fourth flow channels (34).

7. The shell injection mold according to any one of claims 1 to 4, wherein the number of the ejector pins (6) is five.