CN211105085U

CN211105085U - Demoulding mechanism

Info

Publication number: CN211105085U
Application number: CN201921853641.6U
Authority: CN
Inventors: 蒋志军; 金波; 卜宗嫦
Original assignee: Jiangmen Weishuo Technology Co ltd
Current assignee: Jiangmen Weishuo Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-28
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a demoulding mechanism, wherein an upper mould comprises an upper template and an upper mould core; the lower die comprises a fixing plate and a lower die core, and the lower die core and the upper die core form a cavity for generating a product; the lower die core is internally provided with an arc-shaped rail, the arc-shaped rail is arranged on an extension line of the edge of a product, the arc-shaped rail extends downwards from the inside to the outside of the lower die core, a sliding block capable of sliding in the arc-shaped rail is arranged in the arc-shaped rail, and one end of the sliding block is provided with an arc-shaped core which is embedded into the die cavity to form a first through hole of the product; the fixed plate is fixed with a guide block which can slide in the upper die and the lower die core, the guide block is provided with a guide rail, the guide rail is obliquely arranged upwards from the inside to the outside of the lower die core, the slide block is provided with a pin, and the pin can slide in the guide rail. During the drawing of patterns, utilize arc track cooperation guide rail to make the slider drive arc core break away from the product, accomplish the drawing of patterns, realize integrated into one piece.

Description

Demoulding mechanism

Technical Field

The utility model relates to a mould field, in particular to demoulding mechanism.

Background

The surface of some products is the arc, and the edge can be provided with the through-hole and be used for installing other parts moreover, is difficult to integrated into one piece when producing, generally realizes through split type dismouting.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a demoulding mechanism can be at the in-process integrated into one piece of moulding plastics.

According to the utility model discloses a demoulding mechanism of first aspect embodiment includes:

the upper die comprises an upper template and an upper die core;

the lower die comprises a fixing plate and a lower die core, and the lower die core and the upper die core form a cavity for generating a product;

an arc-shaped track is arranged in the lower die core, the arc-shaped track is arranged on an extension line of the edge of a product, the arc-shaped track extends downwards from the inside to the outside of the lower die core, a sliding block capable of sliding in the arc-shaped track is arranged in the arc-shaped track, and an arc-shaped core embedded into the cavity to form a first through hole of the product is arranged at one end of the sliding block;

the fixed plate is fixed with a guide block, the guide block can slide in the upper die and the lower die core, the guide block is provided with a guide rail, the guide rail is obliquely arranged upwards from the inside to the outside of the lower die core, the slide block is provided with a pin, and the pin can slide in the guide rail.

According to the utility model discloses demoulding mechanism has following beneficial effect at least: plastics form the product in the die cavity to form the through-hole that sets up at the cambered surface edge around the arc core, during the drawing of patterns, utilize arc track cooperation guide rail to make the slider drive the arc core break away from the product, accomplish the drawing of patterns, realize integrated into one piece.

According to some embodiments of the utility model, be provided with first through-hole in the lower mould benevolence, first through-hole with arc track intercommunication, go up the mould setting and can insert the butt piece in the first through-hole, the butt piece stretches into the arc track and with the slider offsets. Utilize butt piece and slider to offset, the butt piece gliding when preventing the compound die influences the shaping.

According to the utility model discloses a some embodiments, the lower bolster is provided with vertical core, lower mould benevolence is provided with and can holds the second through-hole of vertical core, vertical core embedding the second through-hole stretches into in the die cavity. For creating holes under the product.

According to some embodiments of the utility model, the one end that vertical core stretched into the die cavity is provided with the screw thread, vertical core can rotate in the lower bolster. If the design has the screw thread in the downthehole, then can utilize vertical core to rotate and carry out the drawing of patterns, prevent to produce the damage to the screw thread.

According to the utility model discloses a some embodiments, the lower bolster lower part still is connected with the die carrier, it has first gear to embed in the die carrier, first gear can rotate in the die carrier, vertical core is kept away from the one end disect insertion of die cavity is in and fixes in the die carrier the axle center department of first gear, still be provided with the second gear in the die carrier, the second gear with first gear engagement, the axle center department of second gear is provided with the axis of rotation, the axis of rotation stretches out the die carrier is outside and is connected with driving motor. And the second gear is utilized to drive the first gear to rotate, so that the vertical mold core rotates to separate from the product.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of the local mold splitting according to the embodiment of the present invention.

Reference numerals

Product-1; an upper die-10; an upper template-11; an upper mold core-12; lower die-20; a fixed plate-22; a lower mold core-21; an arc-shaped track-211; a slide-30; an arc-shaped core-31; pin-32; guide-2211; a first through-hole-2111; a butt block-111; a vertical core-40; mold frame-50; a first gear-41; a second gear-42; rotating the shaft-43.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a mold-releasing mechanism includes:

an upper die 10, which comprises an upper die plate 11 and an upper die core 12;

a lower die 20 including a fixing plate 22 and a lower die core 21, wherein the lower die core 21 and the upper die core 12 form a cavity for generating a product 1;

an arc-shaped track 211 is arranged in the lower die core 21, the arc-shaped track 211 is arranged on an extension line of the edge of the product 1, the arc-shaped track 211 extends downwards from the inside to the outside of the lower die core 21, a sliding block 30 capable of sliding in the arc-shaped track 211 is arranged in the arc-shaped track 211, and one end of the sliding block 30 is provided with an arc-shaped core 31 embedded into the die cavity to form a first through hole 2111 of the product 1;

a guide block is fixed to the fixing plate 22, the guide block is slidable in the upper mold 10 and the lower mold core 21, the guide block is provided with a guide rail 2211, the guide rail 2211 is obliquely upward from the inside to the outside of the lower mold core 21, the slider 30 is provided with a pin 32, and the pin 32 is slidable in the guide rail 2211.

During the actual machining, the plastic forms the product 1 in the cavity, and forms through holes arranged at the edges of the arc-shaped surface around the arc-shaped core 31, wherein, referring to fig. 2, when demoulding is needed, the upper mould core 12 and the lower mould core 21 are firstly released, when the lower die 20 plate is separated from the lower die core 21, the arc-shaped track 211 is matched with the guide rail 2211 to enable the slide block 30 to drive the arc-shaped die core 31 to be separated from the product 1, specifically, the guide block is fixed on the lower die 20 plate, the lower die core 21 moves upwards relative to the guide block, at the same time, the guide rail 2211 on the guide plate has a force pulling the pin 32 to move downward, and at the same time, the arcuate track 211 presents a force directed outward against the slider 30, the two forces cooperating to move the slider 30 within the arcuate track 211, so that the arc-shaped mold core 31 is separated from the product 1, and finally the product 1 is ejected out to complete the demolding, thereby realizing the integral molding.

In some embodiments, the lower mold core 21 has a first through hole 2111, the first through hole 2111 is communicated with the arc-shaped track 211, the upper mold 10 has an abutting block 111 that can be inserted into the first through hole 2111, and the abutting block 111 extends into the arc-shaped track 211 and abuts against the slide block 30. When the mold is closed, the arc core 31 needs to be inserted again, but the slider 30 on the arc rail 211 is easily slid and released, and the abutment block 111 abuts against the slider 30, so that the abutment block 111 is effectively prevented from sliding down during the mold closing, which affects the molding.

In some embodiments, referring to fig. 2, the lower mold 20 is provided with a vertical core 40, the lower mold core 21 is provided with a second through hole for accommodating the vertical core 40, and the vertical core 40 is inserted into the second through hole and extends into the mold cavity. For creating a hole under the product 1.

In the above embodiment, if the hole is provided with a screw thread, the demolding cannot be performed by a conventional direct extraction method, and therefore, the end of the vertical core 40 extending into the cavity is provided with a screw thread, and the vertical core 40 can rotate in the lower mold 20. If the hole is internally designed with threads, the vertical core 40 can be used for rotating to demould, and the threads are prevented from being damaged.

In the above specific embodiment, the lower portion of the lower mold 20 is further connected to a mold base 50, a first gear 41 is embedded in the mold base 50, the first gear 41 can rotate in the mold base 50, one end of the vertical core 40, which is far away from the cavity, is directly inserted into the mold base 50 and fixed at the axis of the first gear 41, a second gear 42 is further disposed in the mold base 50, the second gear 42 is engaged with the first gear 41, a rotation shaft 43 is disposed at the axis of the second gear 42, and the rotation shaft 43 extends out of the mold base 50 and is connected to a driving motor. In the actual demolding process, the second gear 42 is driven by the driving motor to drive the first gear 41 to rotate, so that the vertical mold core 40 rotates and smoothly breaks away from the product 1, and the thread damage of the product 1 caused by hard demolding is prevented.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A demolding mechanism, characterized by comprising:

an upper die (10) which comprises an upper die plate (11) and an upper die core (12);

the lower die (20) comprises a fixing plate (22) and a lower die core (21), and the lower die core (21) and the upper die core (12) form a cavity for generating a product (1);

an arc-shaped track (211) is arranged in the lower die core (21), the arc-shaped track (211) is arranged on an extension line of the edge of the product (1), the arc-shaped track (211) extends downwards from the inside to the outside of the lower die core (21), a sliding block (30) capable of sliding in the arc-shaped track (211) is arranged in the arc-shaped track (211), and an arc-shaped core (31) embedded into the die cavity to form a through hole of the product (1) is arranged at one end of the sliding block (30);

the fixed plate (22) is fixed with a guide block, the guide block can slide in the upper die (10) and the lower die core (21), the guide block is provided with a guide rail (2211), the guide rail (2211) is obliquely arranged upwards from the inside to the outside of the lower die core (21), the slider (30) is provided with a pin (32), and the pin (32) can slide in the guide rail (2211).

2. A demoulding mechanism according to claim 1, wherein the lower mould core (21) is provided with a first through hole (2111), the first through hole (2111) is communicated with the arc-shaped track (211), the upper mould (10) is provided with a butting block (111) which can be inserted into the first through hole (2111), and the butting block (111) extends into the arc-shaped track (211) and butts against the sliding block (30).

3. A demoulding mechanism according to claim 1, characterised in that the lower mould (20) plate is provided with a vertical core (40), and the lower mould core (21) is provided with a second through hole for receiving the vertical core (40), the vertical core (40) being inserted into the second through hole and protruding into the mould cavity.

4. A stripper mechanism according to claim 3, characterised in that the end of the vertical core (40) extending into the cavity is provided with a screw thread, the vertical core (40) being rotatable in the plate of the lower die (20).

5. The demolding mechanism according to claim 4, wherein a mold frame (50) is further connected to the lower portion of the lower mold (20), a first gear (41) is embedded in the mold frame (50), the first gear (41) can rotate in the mold frame (50), one end of the vertical core (40) far away from the cavity is directly inserted into the mold frame (50) and fixed at the axis of the first gear (41), a second gear (42) is further arranged in the mold frame (50), the second gear (42) is meshed with the first gear (41), a rotating shaft (43) is arranged at the axis of the second gear (42), and the rotating shaft (43) extends out of the mold frame (50) and is connected with a driving motor.