CN217123851U

CN217123851U - Bidirectional side core-pulling mechanism

Info

Publication number: CN217123851U
Application number: CN202122896898.3U
Authority: CN
Inventors: 熊友家; 陈杰; 叶伟; 李忠阳; 伍建
Original assignee: Suzhou Aifute Precision Mould Co ltd
Current assignee: Suzhou Aifute Precision Mould Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-08-05
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a two-way side core pulling mechanism, which belongs to the technical field of injection molds and solves the technical problems of mutually vertical direction and difficult demolding of product back-off structures, the mechanism comprises an oil cylinder, a core pulling slide block, an inclined guide post, a side core I and a side core II, a telescopic rod of the oil cylinder is connected with one end of the core pulling slide block, a guide groove matched with the inclined guide post is arranged on the core pulling slide block, one end of the core pulling slide block corresponding to a cavity is elastically connected with the guide slide block, a through hole matched with the side core I is arranged in the guide slide block, the side core I passes through the through hole to be connected with the core pulling slide block, the side core I is connected with the side core II through a chute, the matching surface of the side core I and the side core II is an inclined plane, a groove is arranged at one side of the through hole in the guide slide block, the side core II is arranged in the groove in a sliding way, and the side core II slides along the direction vertical to the movement of the side core I, the mold can complete two core-pulling actions in one-time demolding process, and product damage caused by integral pulling is avoided.

Description

Bidirectional side core-pulling mechanism

Technical Field

The utility model belongs to the technical field of injection mold, especially, relate to a two-way side mechanism of loosing core.

Background

Plastic parts are mostly injection molded by an injection mold. When there are many places back-off structure and the orientation of back-off structure is inconsistent when the plastic part, drawing of patterns blanking in-process after the shaping just has great difficulty and a great deal of inconvenience, the mould that adopts conventional structure can produce the interference with the part of mould at drawing of patterns in-process plastic part, can not realize its harmless drawing of patterns blanking, like the product shown in figure 1, the direction that has a back-off structure A is perpendicular with the direction of back-off connection structure two B, if directly take out the slider whole according to usual, can produce pulling deformation and damage to the product often, the effect is poor, for solving this technical problem, provide a two-way side mechanism of loosing core.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a two-way side mechanism of loosing core, realize that the two-way side of product is loosed core, make things convenient for the shaping and the drawing of patterns of product.

In order to realize the purpose, the following technical scheme is provided: a bidirectional side core-pulling mechanism comprises an oil cylinder, a core-pulling slide block, an inclined guide post, a side core I and a side core II, the telescopic rod of the oil cylinder is connected with one end of the core-pulling slide block, the core-pulling slide block is provided with a guide groove matched with the inclined guide post, the top of the inclined guide post is connected with a fixed die plate of the die, one end of the core-pulling slide block corresponding to the die cavity is elastically connected with a guide slide block, a through hole matched with the first side core is arranged in the guide sliding block, the first side core penetrates through the through hole to be connected with the core-pulling sliding block, the first side core is connected with the second side core through a chute, the matching surface of the first side mold core and the second side mold core is an inclined surface, a groove is arranged at one side of the through hole in the guide sliding block, the second side core is arranged in the groove in a sliding mode, and the second side core slides along the direction perpendicular to the movement direction of the first side core.

Compared with the prior art, the utility model discloses realize following beneficial effect:

1. the utility model discloses a cooperation of oblique guide pillar and the slider of loosing core realizes the first motion of loosing core of side core one and side core two, borrows the hydro-cylinder again, realizes the second motion of loosing core of side core one and side core two, and in the first motion of loosing core, side core two is mutually perpendicular with the direction of motion of side core one, and in the motion of loosing core of the second time, the direction of motion of side core one and side core two is unanimous, and the design avoids whole pulling to cause the product to damage like this, improves production efficiency.

2. Meanwhile, the bidirectional side core-pulling mechanism can adapt to full-automatic production, so that the production cost is reduced, and the product size precision is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a partial schematic view of a product structure of an injection molded part;

FIG. 2 is a schematic structural view of a bidirectional side core-pulling mechanism;

FIG. 3 is a schematic view of a mold closing state of the bidirectional side core-pulling mechanism;

FIG. 4 is a schematic view of the mold opening state of the bidirectional side core-pulling mechanism;

FIG. 5 is a front view of a guide slider in the bidirectional side core-pulling mechanism;

fig. 6 is a partial structural schematic view of the bidirectional side core-pulling mechanism.

Reference numbers in the drawings:

the core-pulling mechanism comprises an oil cylinder 10, a core-pulling slider 20, an inclined guide post 30, a guide slider 40, a first side core 50, a second side core 60, a locking block 70, a slide rail 80, a guide pull rod 90, a pulling plate 21, a stop block 211, an installation block 22, a second spring 23, a bolt 24, a strip-shaped groove 31, a through hole 41, a groove 42, a positioning block 43 and a notch 81.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples

Referring to fig. 2 to 6, a bidirectional side core pulling mechanism includes an oil cylinder 10, a core pulling slider 20, an inclined guide post 30, a first side core 50 and a second side core 60, an expansion link of the oil cylinder 10 is connected with one end of the core pulling slider 20, a guide groove (not shown in the drawing) matched with the inclined guide post 30 is formed in the core pulling slider 20, the top of the inclined guide post 30 is connected with a fixed mold plate of a mold, one end of the core pulling slider 20 corresponding to a cavity is elastically connected with the guide slider 40, a through hole 41 matched with the first side core 50 is formed in the guide slider 40, the first side core 50 passes through the through hole 41 and is connected with the core pulling slider 20, the first side core 50 and the second side core 60 are connected through a chute (not shown in the drawing), a matching surface of the first side core 50 and the second side core 60 is an inclined surface, a groove 42 is formed in one side of the guide slider 40, the second side core 60 is slidably disposed in the groove 42, and the second side core 60 is vertically connected with the first side core The direction of movement of core one 50 slides.

The utility model discloses a cooperation of oblique guide pillar 30 and slider 20 of loosing core realizes the first motion of loosing core of side core one 50 and side core two 60, borrows help hydro-cylinder 10 again, realize the second motion of loosing core of side core one 50 and side core two 60, in the first motion of loosing core, side core two 60 is mutually perpendicular with the direction of motion of side core one 50, in the motion of loosing core of the second time, side core one 50 is unanimous with the direction of motion of side core two 60, the design avoids whole pulling to cause the product to damage like this, and the production efficiency is improved. Meanwhile, the bidirectional side core-pulling mechanism can adapt to full-automatic production, saves labor, reduces production cost and improves product size precision.

The utility model discloses in, the guide pillar 30 outside to one side is equipped with the latch segment 70 of being connected with the mould cope match-plate pattern, just the check lock face of latch segment 70 contacts with the inclined plane of the slider 20 one end of loosing core, and the design plays injection mold when the compound die locking effect to the slider 20 of loosing core like this.

In this embodiment, the core-pulling slider 20 and the guide slider 40 are connected by a plurality of guide pull rods 90, and a plurality of springs (not shown in the drawings) are arranged on the guide pull rods 90, so that the core-pulling slider 20 and the guide slider 40 are elastically connected, and the core-pulling slider 20 and the guide slider 40 are relatively fixed to each other to prevent the core-pulling slider 20 and the guide slider 40 from shifting in the sliding process.

In this embodiment, installation piece 22 is all installed to the both sides portion of slider 20 of loosing core, be connected with the spring on the installation piece 22, connect the bolt 24 that contacts with oblique guide pillar 30 on the spring two 23, still be provided with the bar groove 31 with 24 tip looks adaptations of bolt on the guide pillar 30 to one side, design like this and provide accurate, stable guide rail for oblique guide pillar 30, also drive the slider 20 accurate slip of loosing core when accurate gliding, it is mould compound die sinking effect best, further improve product quality.

In this embodiment, the bidirectional core pulling mechanism further includes a slide rail 80 for guiding the core pulling slide block 20 and the guide slide block 40 to slide, pull plates 21 adapted to the slide rail 80 are disposed on both sides of the core pulling slide block 20, and a stop block 211 is disposed at the bottom end of each pull plate 21, so that the guide slide block 40 can slide together with the core pulling slide block 20 when the oil cylinder 10 is started, and the production efficiency is improved.

In this embodiment, slide rail 80 is close to mould die cavity one end and is equipped with breach 81, guide slider 40 both sides are provided with two locating pieces 43 respectively, locating piece 43 is through setting up spring three (not shown in the drawing) and guide slider 40 elastic connection, and the design makes guide slider 40 have self-locking function like this, and effectual avoiding loosing core slider 20 can drive guide slider 40 and move when keeping away from the die cavity to destroy the product, on the other hand is when the product shaping, and it drives guide slider 40 and move to avoid loosing core slider 20 to be close to the die cavity, thereby influences the product shaping.

According to the working principle, when the injection mold is opened (as shown in fig. 4), the inclined guide post 30 and the locking block 70 are far away from the core-pulling slider 20 along with the fixed mold plate, the core-pulling slider 20 drives the first side core 50 to be far away from the cavity under the action of a first spring (not shown in the drawing), and simultaneously drives the second side core 60 to move along the direction perpendicular to the movement direction of the first side core 50 under the dual action of the groove 42 and a chute (not shown in the drawing), and when the core-pulling slider 20 is moved to the right position, the oil cylinder 10 is started to drive the core-pulling slider 20 to guide the slider 40 to be far away from the cavity together. When injection mold compound die (as shown in fig. 3), before the compound die, start earlier hydro-cylinder 10 and will loose core slider 20 and guide slider 40 and push away to certain for the back, the fixed die plate moves to the movable mould board and through the cooperation of oblique guide pillar 30 and latch segment 70, makes and looses core slider 20 and guide slider 40 and laminate gradually to make side core one 50 and side core two 60 be close to the die cavity, thereby form the product, the utility model discloses divide twice to loose core, avoid whole pulling to cause the product to damage, it is effectual to loose core, guarantees product quality.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims

1. The two-way side core-pulling mechanism is characterized by comprising an oil cylinder (10), a core-pulling sliding block (20), an inclined guide post (30), a first side core (50) and a second side core (60), wherein a telescopic rod of the oil cylinder (10) is connected with one end of the core-pulling sliding block (20), a guide groove matched with the inclined guide post (30) is formed in the core-pulling sliding block (20), the top of the inclined guide post (30) is connected with a fixed die plate of a die, one end, corresponding to a die cavity, of the core-pulling sliding block (20) is elastically connected with a guide sliding block (40), a through hole (41) matched with the first side core (50) is formed in the guide sliding block (40), the first side core (50) penetrates through the through hole (41) to be connected with the core-pulling sliding block (20), the first side core (50) is connected with the second side core (60) through a chute, and the matching surface of the first side core (50) and the second side core (60) is an inclined surface, a groove (42) is formed in one side, located on the through hole (41), of the guide sliding block (40), a second side core (60) is arranged in the groove (42) in a sliding mode, and the second side core (60) slides in the direction perpendicular to the movement direction of the first side core (50).

2. The mechanism of claim 1, wherein a locking block (70) connected with an upper mold plate of the mold is arranged outside the inclined guide post (30), and a locking surface of the locking block (70) is in contact with an inclined surface at one end of the core pulling slide block (20).

3. The bidirectional side core pulling mechanism according to claim 1, wherein the core pulling slider (20) is connected with the guide slider (40) through a plurality of guide pull rods (90), and a first spring is arranged on each of the plurality of guide pull rods (90).

4. The bidirectional side core pulling mechanism according to claim 1, wherein mounting blocks (22) are mounted on two sides of the core pulling slider (20), a second spring (23) is connected to the mounting blocks (22), a bolt (24) in contact with the inclined guide post (30) is connected to the second spring (23), and a strip-shaped groove (31) matched with the end of the bolt (24) is further formed in the inclined guide post (30).

5. The bidirectional side core pulling mechanism according to claim 1, further comprising a slide rail (80) for guiding the core pulling slide block (20) and the guide slide block (40) to slide, wherein pull plates (21) matched with the slide rail (80) are arranged on two sides of the core pulling slide block (20), and a stop block (211) is arranged at the bottom end of each pull plate (21).

6. The mechanism of claim 5, wherein a notch (81) is formed in one end, close to the mold cavity, of the slide rail (80), two positioning blocks (43) are respectively arranged on two sides of the guide slider (40), and each positioning block (43) is elastically connected with the guide slider (40) through a third spring.