CN213166825U

CN213166825U - Automatic punching structure of blow molding die and blow molding die

Info

Publication number: CN213166825U
Application number: CN202021641872.3U
Authority: CN
Inventors: 施维昇; 古炎军; 欧阳永忠
Original assignee: Nadfinlo Plastics Industry (shenzhen) Co ltd
Current assignee: Nadfinlo Plastics Industry (shenzhen) Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-11
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses an automatic punching structure of blow molding mould and blow molding mould, the automatic punching structure of blow molding mould includes punching drive hydro-cylinder, cutter guide holder, hydro-cylinder drive shaft, cutter connecting seat, punching cutter and waste material ejection cylinder, waste material ejection cylinder has the cylinder drive shaft, and the cylinder drive shaft tip is installed ejector beam mount pad, installs the ejector beam on the ejector beam mount pad, and the ejector beam guiding hole is all seted up to hydro-cylinder drive shaft, cutter connecting seat and cutter guide holder inside, and the free end of ejector beam extends into in the ejector beam guiding hole; the blow molding die comprises an automatic punching structure of the blow molding die. The automatic punching structure of the blow molding die and the blow molding die have the advantages of being simple in structure, saving process steps, simplifying the process, reducing production cost, improving product quality, improving product market competitiveness and the like.

Description

Automatic punching structure of blow molding die and blow molding die

Technical Field

The utility model relates to a mould shaping field, especially an automatic structure and blow molding mould that punch a hole of blow molding mould.

Background

In the field of blow molding, some blow molded products require a punching process on the surface of the product for molding reasons. Traditional blow mold need carry out the secondary to blow molding's product and punch a hole the processing after blow molding, and the process is many, technology complicacy, is unfavorable for promoting the quality of product, and manufacturing cost is high, and the market competition of product is low.

Therefore, the present invention is directed to provide a new technical solution to solve the existing technical drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an automatic structure and blow molding mould that punches a hole of blow molding mould has solved the processing step that prior art exists many, technology complicacy, manufacturing cost height, influence the processing quality of product, reduce technical defect such as product market competition.

The utility model provides a technical scheme that its technical problem adopted is:

an automatic punching structure of a blow molding die comprises a punching driving oil cylinder and a cutter guide seat which are fixedly installed on the die, wherein the punching driving oil cylinder is provided with an oil cylinder driving shaft, the output end of the oil cylinder driving shaft is provided with a cutter connecting seat, a punching cutter is installed on the cutter connecting seat, the punching cutter is a cylindrical cutter and is sleeved on the cutter guide seat, and the punching driving oil cylinder can drive the punching cutter to axially slide on the cutter guide seat through the oil cylinder driving shaft and the cutter connecting seat; the waste ejection mechanism comprises a waste ejection cylinder fixed on a die, the waste ejection cylinder is provided with a cylinder driving shaft, an ejection rod mounting seat is mounted at the end part of the cylinder driving shaft, an ejection rod for ejecting waste is mounted on the ejection rod mounting seat, ejection rod guide holes which are coaxial and have the same inner diameter are formed in an oil cylinder driving shaft, a cutter connecting seat and a cutter guide seat, the free end of the ejection rod extends into the ejection rod guide holes of the oil cylinder driving shaft, the cutter connecting seat and the cutter guide seat, and the waste ejection cylinder can drive the end part of the ejection rod to stretch out from the end part of the cutter guide seat and eject the waste.

As an improvement of the technical scheme, the cutter guide seat is fixed on the die through two fixing screws, and the punching driving oil cylinder is installed on the die through the oil cylinder installation block.

As a further improvement of the above technical scheme, the cutter connecting seat is a connecting seat with a concave shape, the punching cutter comprises a cutter base and an annular cutter extending upwards from the cutter base, the cutter base is a connecting block with an inverted concave shape, after the cutter base is fixedly connected with the cutter connecting seat, a containing groove for containing the cutter guide seat is arranged between the cutter base and the cutter connecting seat, the cutter guide seat extends upwards from the containing groove, guide seat fixing parts for being fixedly connected with a die extend outwards from two sides of the cutter guide seat and are arranged on the die through the guide seat fixing parts, and the annular cutter sleeve of the punching cutter is arranged on the part extending upwards from the cutter guide seat.

As a further improvement of the above technical scheme, the cutter guide seat is a T-shaped guide seat, and includes a guide seat substrate and a guide post extending upward from the guide seat substrate, the guide post is a circular guide post, and the punching cutter is sleeved outside the circular guide post.

As a further improvement of the technical scheme, the two waste ejection cylinders are arranged on two sides of the punching driving oil cylinder and fixed on the die, and the ejector rod mounting seat is mounted between cylinder driving shafts of the two waste ejection cylinders.

As a further improvement of the above technical solution, the end of the cutter guide seat has a projection extending to the periphery thereof.

Based on foretell blow molding mould structure of punching a hole automatically, the utility model also provides a blow molding mould, including front mould and back mould, front mould and back mould are all installed blow molding mould structure of punching a hole automatically.

As an improvement of the technical scheme, a front mold cavity and a rear mold cavity are respectively arranged on the inner sides of the front mold and the rear mold, and a mold closing positioning device is arranged on the matching surface of the front mold and the rear mold.

The utility model has the advantages that: the utility model provides an automatic structure and blow molding mould that punches a hole of blow molding mould, this kind of automatic structure that punches a hole of blow molding mould can be at the in-process of blow molding mould blow molding product directly to the product processing of punching a hole, need not carry out the secondary and punches a hole, can save the process, saves the implementation cost, is favorable to promoting the product quality of blow molding product, further promotes the market competition of product.

In conclusion, the automatic punching structure of the blow molding die and the blow molding die solve the technical defects of multiple process steps, complex process, high production cost, influence on the processing quality of products, reduction in the market competitiveness of the products and the like in the prior art.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic assembly view of the present invention;

FIG. 2 is another assembly view of the present invention;

fig. 3 is a schematic structural view of the middle cutter guide seat of the present invention;

fig. 4 is a schematic structural view of the punching cutter of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the present invention can be combined interactively without conflicting with each other, as shown in fig. 1-4.

An automatic punching structure of a blow molding die comprises a punching driving oil cylinder 1 and a cutter guide seat 2 which are fixedly installed on the die, wherein the punching driving oil cylinder 1 is provided with an oil cylinder driving shaft 11, the output end of the oil cylinder driving shaft 11 is provided with a cutter connecting seat 3, a punching cutter 4 is installed on the cutter connecting seat 3, the punching cutter 4 is a cylindrical cutter and is sleeved on the cutter guide seat 2, and the punching driving oil cylinder 1 can drive the punching cutter 4 to axially slide on the cutter guide seat 2 through the oil cylinder driving shaft 11 and the cutter connecting seat 3; the waste ejection mechanism is characterized by further comprising a waste ejection cylinder 5 fixed on the die, wherein the waste ejection cylinder 5 is provided with a cylinder driving shaft 51, an ejection rod mounting seat 6 is mounted at the end part of the cylinder driving shaft 51, an ejection rod 7 used for ejecting waste is mounted on the ejection rod mounting seat 6, the ejection rod guiding holes which are coaxial and have the same inner diameter are formed in the oil cylinder driving shaft 11, the cutter connecting seat 3 and the cutter guiding seat 2, the free end of the ejection rod 7 extends into the ejection rod guiding holes of the oil cylinder driving shaft 11, the cutter connecting seat 3 and the cutter guiding seat 2, and the waste ejection cylinder 5 can drive the end part of the ejection rod 7 to extend out of the end part of the cutter guiding seat 2 through the ejection rod mounting seat 6 and eject the waste.

Preferably, the cutter guide seat 2 is fixed on the die through two fixing screws 21, and the punching driving oil cylinder 1 is installed on the die through the oil cylinder installation block 12.

Preferably, cutter connecting seat 3 is the connecting seat that "concave" shape is for the shape, the cutter 4 that punches a hole includes the cutter base and by the annular cutter of cutter base upwards extension, the cutter base is the connecting block that "concave" shape falls for the shape, behind cutter base and the 3 fixed connection of cutter connecting seat, has between cutter base and the cutter connecting seat 3 and is used for holding cutter guide holder 2's holding tank, cutter guide holder 2 follows the holding tank upwards extends, and cutter guide holder 2 both sides outwards extend have be used for with mould fixed connection's guide holder fixed part and install on the mould through this guide holder fixed part, the annular cutter cover of cutter 4 that punches a hole is established at the part that cutter guide holder 2 upwards extended.

Preferably, the cutter guide seat 2 is a T-shaped guide seat, and comprises a guide seat substrate and a guide column extending upwards from the guide seat substrate, the guide column is a circular guide column, and the punching cutter 4 is sleeved outside the circular guide column.

Preferably, the scrap ejection cylinders 5 are provided in two, two scrap ejection cylinders 5 are provided on both sides of the punch driving cylinder 1 and fixed to the die, and the ejector pin mounting block 6 is installed between the cylinder driving shafts 51 of the two scrap ejection cylinders 5.

Preferably, the end of the cutter guide holder 2 has a projection 22 extending to the periphery thereof.

Preferably, the inner sides of the front mold and the rear mold are respectively provided with a front mold cavity and a rear mold cavity, and the matching surfaces of the front mold and the rear mold are provided with a mold closing positioning device.

When the utility model is implemented specifically, after the hollow plastic cloth is extruded to form a parison, the parison is placed in a die, the front die and the rear die are closed and cut off, after the die is closed, the air needle blows the expanded parison to the cold wall of the die cavity, and certain pressure is kept during cooling; further, the automatic punching structure of the blow molding die arranged on the front die and the rear die starts to work, the punching driving oil cylinder 1 in the automatic punching structure of the blow molding die drives the punching driving cutter 4 to move on the cutter guide seat 2 through the oil cylinder driving shaft 11 and the cutter connecting seat 3 and punch a preset hole on a product, and after punching is completed and the die is opened, the waste ejection air cylinder 5 drives the ejector rod 7 to move in the ejector rod guide hole through the air cylinder driving shaft 51 and the ejector rod mounting seat 6 and ejects waste at the end part of the cutter guide seat 2.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides an automatic structure of punching a hole of blow molding mould which characterized in that: the punching device comprises a punching driving oil cylinder (1) and a cutter guide seat (2) which are fixedly installed on a die, wherein the punching driving oil cylinder (1) is provided with an oil cylinder driving shaft (11), the output end of the oil cylinder driving shaft (11) is provided with a cutter connecting seat (3), a punching cutter (4) is installed on the cutter connecting seat (3), the punching cutter (4) is a cylindrical cutter and is sleeved on the cutter guide seat (2), and the punching driving oil cylinder (1) can drive the punching cutter (4) to axially slide on the cutter guide seat (2) through the oil cylinder driving shaft (11) and the cutter connecting seat (3); still including fixing waste material ejecting cylinder (5) on the mould, waste material ejecting cylinder (5) have cylinder drive shaft (51), ejector beam mount pad (6) are installed to cylinder drive shaft (51) tip, install ejector beam (7) that are used for ejecting waste material on ejector beam mount pad (6), coaxial, with the ejector beam guiding hole of internal diameter all seted up inside oil cylinder drive shaft (11), cutter connecting seat (3) and cutter guide holder (2), the free end of ejector beam (7) extends and enters into in the ejector beam guiding hole of oil cylinder drive shaft (11), cutter connecting seat (3) and cutter guide holder (2), waste material ejecting cylinder (5) accessible ejector beam mount pad (6) drive ejector beam (7) the tip stretch out and push out the waste material from the tip of cutter guide holder (2).

2. The automatic punching structure of the blow molding die according to claim 1, wherein: the cutter guide seat (2) is fixed on a die through two fixing screws (21), and the punching driving oil cylinder (1) is installed on the die through an oil cylinder installation block (12).

3. The automatic punching structure of the blow molding die according to claim 1, wherein: cutter connecting seat (3) are the connecting seat of "concave" shape for the shape, the annular cutter that cutter (4) upwards extended including the cutter base and by the cutter base, the cutter base is the connecting block of "concave" shape of falling for the shape, behind cutter base and cutter connecting seat (3) fixed connection, has between cutter base and the cutter connecting seat (3) and is used for holding the holding tank of cutter guide holder (2), cutter guide holder (2) are followed the holding tank upwards extends, and cutter guide holder (2) both sides outwards extend have be used for with mould fixed connection's guide holder fixed part and install on the mould through this guide holder fixed part, the annular cutter cover of cutter (4) of punching a hole is established at the part that cutter guide holder (2) upwards extended.

4. The automatic punching structure of the blow molding die according to claim 1, wherein: the cutter guide holder (2) is a T-shaped guide holder, and comprises a guide holder base plate and a guide column which extends upwards from the guide holder base plate, the guide column is a circular guide column, and the punching cutter (4) is sleeved outside the circular guide column.

5. The automatic punching structure of the blow molding die according to claim 1, wherein: the waste ejection cylinders (5) are arranged on two sides of the punching driving oil cylinder (1) and fixed on a die, and the ejector rod mounting seat (6) is mounted between cylinder driving shafts (51) of the two waste ejection cylinders (5).

6. The automatic punching structure of the blow molding die according to claim 1, wherein: the end part of the cutter guide seat (2) extends to the periphery thereof with a convex block (22).

7. A blow molding mold is characterized in that: the automatic punching structure comprises a front die and a rear die, wherein the front die and the rear die are both provided with the automatic punching structure of the blow molding die as claimed in any one of claims 1 to 6.

8. A blow mold as in claim 7, wherein: the inner sides of the front die and the rear die are respectively provided with a front die cavity and a rear die cavity, and the matching surfaces of the front die and the rear die are provided with a die closing positioning device.