CN211105295U

CN211105295U - Template push-out type mold structure

Info

Publication number: CN211105295U
Application number: CN201921714846.6U
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: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-28
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a template push-out type mould structure, which comprises an upper mould core, a lower mould core, a push plate, a fixed plate and a drive plate; the upper die core is provided with a pouring gate; the middle part of the lower die core is provided with a first through hole; the push plate is provided with a groove, the lower die core is embedded in the groove, the push plate is provided with a second through hole, and the second through hole is positioned below the first through hole; the fixed plate is arranged below the push plate, a core is fixed on the fixed plate, the core penetrates through the second through hole and is completely embedded into the first through hole, and a cavity is formed between the top end of the core and the upper die core and between the top end of the core and the lower die core; referring to fig. 2, the driving plate is fixed with a driving rod, the other end of the driving rod is fixed in the pushing plate, and the driving rod penetrates through the fixing plate and can slide in the fixing plate. The product is ejected by using the whole plane, so that the demoulding failure caused by uneven stress of the product formed by the thin wall in the ejection process is prevented.

Description

Template push-out type mold structure

Technical Field

The utility model relates to the field of molds, in particular to template push-out type mold structure.

Background

Some products are formed by annular thin walls, and after injection molding is finished, because the thickness of the annular thin walls is too small, if the annular thin walls are directly ejected by the ejector pins, the products are easily clamped in the cavities, so that demolding failure or product damage is caused.

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 template push-out type mould structure can be completely deviate from the product.

According to the utility model discloses a template ejector type mould structure of first aspect embodiment includes:

the upper die core is provided with a pouring gate;

the middle part of the lower die core is provided with a first through hole;

the lower die core is embedded in the groove, the push plate is provided with a second through hole, and the second through hole is positioned below the first through hole;

the fixed plate is arranged below the push plate, a core is fixed on the fixed plate, the core penetrates through the second through hole and is completely embedded into the first through hole, and a cavity is formed among the top end of the core, the upper die core and the lower die core;

and the driving plate is fixedly provided with a driving rod, the other end of the driving rod is fixed in the push plate, and the driving rod penetrates through the fixing plate and can slide in the fixing plate.

According to the utility model discloses template push-out type mould structure has following beneficial effect at least: the driving plate is utilized to drive the driving rod, so that the driving rod drives the push plate to be away from the fixed plate and eject a product.

According to the utility model discloses a some embodiments, the fixed plate is provided with the shrinkage pool, the core is embedded completely in the shrinkage pool, be provided with the location limit on the inner wall of shrinkage pool. Prevent the core from rotating and dislocating, resulting in the failure of moulding plastics.

According to some embodiments of the utility model, the drive plate includes first drive plate and second drive plate, the actuating lever inserts in the first drive plate, the actuating lever inserts the one end of first drive plate is provided with the boss, first drive plate is provided with the mounting hole, the boss is embedded into in the mounting hole, the second drive plate covers on the mounting hole. The first driving plate and the second driving plate are fixedly connected through screws.

According to some embodiments of the invention, the drive rod is provided with a plurality of bars. The actuating lever evenly distributed makes each position of push pedal atress simultaneously on the push pedal, makes the drawing of patterns more steady.

According to some embodiments of the present invention, the upper mold core reaches the lower mold core is provided with a cooling water channel, and the cooling water channel surrounds the cavity. And the product molding is promoted.

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 a template push-out type mold structure at an angle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a template push-out mold structure at another angle according to an embodiment of the present invention;

fig. 3 is a schematic view of the installation of the middle core and the fixing plate of the present invention.

Description of the drawings: an upper mold core-11; a lower mold core-12; a fixed plate-20; a push plate-30; a first drive plate-51; a second drive plate-52; a drive rod-40; a core-31; a concave hole-21; positioning edge-211; cooling water channel-60; mounting holes-511; a boss-41.

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, the template push-out type mold structure includes an upper mold core 11, a lower mold core 12, a push plate 30, a fixing plate 20 and a driving plate; the upper die core 11 is provided with a pouring channel; the middle part of the lower die core 12 is provided with a first through hole; the push plate 30 is provided with a groove, the lower die core 12 is embedded in the groove, the push plate 30 is provided with a second through hole, and the second through hole is positioned below the first through hole; the fixed plate 20 is arranged below the push plate 30, a core 31 is fixed on the fixed plate 20, the core 31 penetrates through the second through hole and is completely embedded into the first through hole, and a cavity is formed between the top end of the core 31 and the upper die core 11 and the lower die core 12; referring to fig. 2, a driving rod 40 is fixed to the driving plate, the other end of the driving rod 40 is fixed to the push plate 30, and the driving rod 40 passes through the fixed plate 20 and is slidable in the fixed plate 20.

In the actual production, the demolding is performed along the arrow direction in fig. 1, the upper mold core 11 and the lower mold core 12 are separated during the demolding, so that the runner in the runner is torn off, the driving plate drives the driving rod 40, the driving rod 40 drives the push plate 30 to be far away from the fixed plate 20, and the product is ejected.

In some embodiments, if the core 31 rotates, the shape of the cavity may change, which may result in an undesirable product, and therefore, referring to fig. 3, the fixing plate 20 is provided with a recess 21, the core 31 is completely embedded in the recess 21, and the inner wall of the recess 21 is provided with a positioning edge 211. The core 31 is prevented from rotating and being misaligned, resulting in failure of injection molding.

In some embodiments, the driving plates include a first driving plate 51 and a second driving plate 52, the driving rod 40 is inserted into the first driving plate 51, a boss 41 is disposed at one end of the driving rod 40 inserted into the first driving plate 51, the first driving plate 51 is provided with a mounting hole 511, the boss 41 is embedded into the mounting hole 511, and the second driving plate 52 covers the mounting hole 511. The first driving plate 51 and the second driving plate 52 are fixedly connected by screws.

In some embodiments, the drive rod 40 is provided with several bars. The driving rods 40 are uniformly distributed on the push plate 30, so that all positions of the push plate 30 are simultaneously stressed, and demoulding is more stable.

In some embodiments, the upper mold core 11 and the lower mold core 12 have a cooling water channel 60 disposed therein, and the cooling water channel 60 surrounds the cavity. Promoting the high-temperature molten liquid to be formed into a product.

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. Template ejection formula mould structure, its characterized in that includes:

the upper die core is provided with a pouring gate;

the middle part of the lower die core is provided with a first through hole;

2. The template push-out mold structure according to claim 1, wherein the fixing plate is provided with a recess, the core is completely embedded in the recess, and a positioning edge is provided on an inner wall of the recess.

3. The template push-out mold structure according to claim 1, wherein the driving plate comprises a first driving plate and a second driving plate, the driving plate is inserted into the first driving plate, a boss is arranged at one end of the driving plate inserted into the first driving plate, the first driving plate is provided with a mounting hole, the boss is embedded into the mounting hole, the second driving plate covers the mounting hole, and the first driving plate and the second driving plate are fixedly connected through a screw.

4. The form ejector die structure of claim 3, wherein said drive rods are provided in a plurality of strips.

5. The template push-out mold structure according to claim 1, wherein cooling water channels are provided in the upper core and the lower core, the cooling water channels surrounding the cavity.