CN112094042A

CN112094042A - Glassware forming assembly

Info

Publication number: CN112094042A
Application number: CN202010951903.3A
Authority: CN
Inventors: 戴东浦
Original assignee: Guangzhou Jing Ya Arts And Crafts Manufacturing Co ltd
Current assignee: Guangzhou Jing Ya Arts And Crafts Manufacturing Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-18

Abstract

A glassware forming assembly that includes: a blowing head and an ejector rod; the blowing head is internally provided with: an air duct for introducing high-pressure gas to blow-mold the glass gob; the containing hole is vertically arranged; the ejector rod is arranged to move up and down along the containing hole so as to switch between a first position and a second position, and at the second position, the bottom end of the ejector rod can extend out of the lower portion of the blowing head. The glass product forming assembly disclosed can blow a glass blank at a station and continuously process the bottom of the inner cavity of the glass blank to form the concave hole, is simple in structure and easy to realize, and is particularly favorable for improving the production efficiency.

Description

Glassware forming assembly

Technical Field

The present disclosure relates to a production apparatus for glass articles.

Background

Referring to fig. 1-2, in the prior art, when blowing a glass gob, a blowing head is usually positioned above the mouth of the glass gob, and high-pressure gas is blown into the glass gob through a vent in the blowing head, thereby blowing the glass gob into a cavity of a mold. The existing blowing head has a single function, cannot continuously process blown glass products, and needs to be processed at the next station if other shapes need to be continuously processed in the glass products, which is not beneficial to improving the production efficiency.

Disclosure of Invention

According to one aspect of the present disclosure, there is provided a glassware forming assembly that includes: a blowing head and an ejector rod; the blowing head is internally provided with:

an air duct for introducing high-pressure gas to blow-mold the glass gob;

the containing hole is vertically arranged;

the ejector rod is arranged to move up and down along the containing hole so as to switch between a first position and a second position, and at the second position, the bottom end of the ejector rod can extend out of the lower portion of the blowing head.

The glass product forming assembly disclosed can blow a glass blank at a station and continuously process the bottom of the inner cavity of the glass blank to form the concave hole, is simple in structure and easy to realize, and is particularly favorable for improving the production efficiency.

In some embodiments, the top of the ejector rod forms a radial flange, and the radial flange and the accommodating hole form an airtight structure; the first vent hole is communicated with the containing hole and is arranged to be filled between the ejector rod and a gap of the containing hole through high-pressure gas, so that the ejector rod overcomes the gravity and is kept at a first position.

In some embodiments, the bottom of the receiving hole forms a narrowing, thereby limiting a lowest position of the radial flange at the narrowing, so that the ram can be limited at the second position when moving downward; the first vent hole is disposed at the narrowing structure.

In some embodiments, a second vent hole is provided in the blowhead above the first vent hole and in communication with the receiving hole for admitting high pressure gas and acting on the top of the radial flange to provide assistance to the ram moving to the second position.

In some embodiments, the first vent is horizontally disposed.

In some embodiments, the second vent is horizontally disposed.

In some embodiments, the airway is vertically disposed.

In some embodiments, the bottom of the blowing head is provided with a blowing hole, the air channel and the containing hole are communicated with each other at the blowing hole, and the blowing hole is used for being communicated with the mouth of the glass blank.

In some embodiments, the bottom of the blowing head is provided with a step which is concave upwards and is positioned below the blowing hole, and the step is used for being abutted with the mouth of the glass blank.

Drawings

FIG. 1 is one of the schematic views of the operation of a prior art glassware forming apparatus;

FIG. 2 is a second schematic diagram of a prior art glassware forming apparatus;

FIG. 3 is a schematic structural view, and one of the operational views, of a glassware forming assembly and a mold assembly in accordance with certain embodiments of the present disclosure;

FIG. 4 is a second schematic illustration of operation of a glassware forming assembly and a mold assembly in accordance with certain embodiments of the present disclosure;

FIG. 5 is a third schematic illustration of the operation of a glassware forming assembly and a mold assembly in accordance with certain embodiments of the present disclosure;

FIG. 6 is a fourth schematic illustration of the operation of the glassware forming assembly and the mold assembly in accordance with certain embodiments of the present disclosure;

fig. 7 is a fifth operational schematic of a glassware forming assembly and a mold assembly in accordance with certain embodiments of the present disclosure.

Detailed Description

The present disclosure is described in further detail below with reference to the attached drawing figures.

Fig. 3 schematically illustrates a glass article forming assembly, particularly useful for glass bottle articles, for forming glass bottle articles having a recessed well 31 in the bottom of the interior cavity, and a mold assembly for use with the glass article forming assembly, according to some embodiments of the present disclosure.

The glassware forming assembly includes a blowhead 1 and a ram 2.

The top of the ejector pin 2 forms a radial flange 21, and the diameters of the middle part and the lower part of the ejector pin 2 are smaller than the radial flange 21.

The blowhead 1 is provided with a ventilation channel 11, a containing hole 12, a first ventilation hole 13, a second ventilation hole 14, a blowing hole 15 and a step 16.

The air duct 11 is arranged vertically for the introduction of high-pressure air to enable the blow molding of the glass gob.

The containing hole 12 is vertically arranged, and the ejector rod 2 is arranged in the containing hole 12 and can move up and down along the containing hole 12 so as to be switched between a first position located above and a second position located below. The diameter of the containing hole 12 is equivalent to the diameter of the radial flange 21 of the top rod 2, so that the radial flange 21 and the containing hole 12 form an airtight structure, the bottom of the containing hole 12 forms a narrowing structure 121, when the radial flange 21 moves to the narrowing structure 121, the radial flange is limited by the narrowing structure 121 and cannot move downwards continuously, and therefore the lowest position of the radial flange 21 is limited at the narrowing structure 121, and the top rod 2 is correspondingly located at the second position.

The first ventilation hole 13 is horizontally disposed, and is communicated with the containing hole 12, preferably disposed at the narrowing structure 121, and is used for introducing high-pressure gas to fill the gap between the top rod 2 and the containing hole 12, so that the top rod 2 can overcome the self-gravity to be kept at the first position.

The second vent hole 14 is horizontally arranged, is communicated with the containing hole 12, is positioned above the first vent hole 13, is used for introducing high-pressure gas and acts on the top of the radial flange 21 to provide assistance for the downward movement of the ejector rod 2 to the second position.

The air blowing hole 15 is positioned at the bottom of the air blowing head 1, the air channel 11 and the containing hole 12 are communicated with each other at the air blowing hole 15, and the air blowing hole 15 is used for being communicated with the opening part of the glass blank 3, so that high-pressure air is introduced into the glass blank 3, and the ejector rod 2 enters from the opening part of the glass blank 3 when moving downwards.

This step 16 sets up in the blow hole 15 below, and is sunken in the top for with the oral part butt of glass material base, make oral part and blow hole 15 align.

Referring to fig. 3-4, in operation, the first vent hole 13 is filled with high pressure gas, and due to the airtight structure of the radial flange 21 and the accommodating hole 12, the high pressure gas is trapped between the gap between the top rod 2 and the accommodating hole 12, so that the top rod 2 is maintained at the first position against its own weight. Blowing high-pressure gas into the mouth of the glass blank through the air duct 11, so that the glass blank is blow-molded in the inner cavity of the mold, and stopping the introduction of the high-pressure gas into the air duct 11 after molding. Referring to fig. 5, then the high-pressure gas in the first vent hole 13 is closed, when the ejector rod 2 descends due to its own gravity and descends to a position below the second vent hole 14, the second vent hole 14 is filled with the high-pressure gas to assist the downward movement of the ejector rod 2, referring to fig. 6, the bottom end of the ejector rod 2 extends to the lower side of the blowing head 1 and presses the bottom of the inner cavity of the glass blank 3 to form a concave hole 31, and at this time, the radial flange 21 of the ejector rod 2 is limited by the narrowing structure 121 at the bottom of the accommodating hole 12 and stops at the second position. Referring to fig. 7, after the concave hole 31 is machined, the second vent hole 14 stops introducing the high-pressure gas, and the first vent hole 13 starts introducing the high-pressure gas, so that the radial flange 21 is jacked upwards, and the mandril 2 is reset upwards to the first position against the self gravity.

In other embodiments, the ram 2 may be driven by a means other than high-pressure gas, for example, by a driving means such as an air cylinder. The shapes and positions of the air duct 11, the first ventilation hole 13, and the second ventilation hole 14 may be set in other ways as long as the above-described functions can be achieved. The air duct 11 and the housing hole 12 may not communicate with each other but communicate with the mouth of the glass blank 3, respectively. The step 16 may be omitted or take on other shapes.

The high-pressure gas in the present specification refers to a gas having a preset gas pressure capable of realizing the above-mentioned related functions, and the specific pressure of the high-pressure gas is adjusted according to the actual conditions of production as long as the related functions can be realized.

The glassware forming component of this disclosure can realize blowing glass blank 3 at a station to and continue to process out shrinkage pool 31 to the inner chamber bottom of glass blank 3, its simple structure, easy realization is favorable to production efficiency's improvement very much. Further, the ejector rod 2 is driven by high-pressure gas, the cost is low, a complex driving device is not required, and the light and small molding assembly is facilitated.

What has been described above is merely some embodiments of the present disclosure. It will be apparent to those skilled in the art that various changes and modifications can be made, or combinations of the above-described embodiments can be made, without departing from the inventive concept of the present disclosure, and all such changes and modifications, including combinations of features of the various embodiments described above, are within the scope of the present disclosure.

Claims

1. A glassware forming assembly, comprising: a blowing head and an ejector rod; the blowing head is internally provided with:

an air duct for introducing high-pressure gas to blow-mold the glass gob;

the containing hole is vertically arranged;

the ejector rod is arranged to move up and down along the containing hole so as to switch between a first position and a second position, and the bottom end of the ejector rod can extend to the position below the blowing head at the second position.

2. The glassware forming assembly of claim 1, wherein a top portion of the carrier rod forms a radial flange that forms an airtight structure with the receiving bore; and a first vent hole communicated with the containing hole is further formed in the blowing head, and high-pressure gas can be introduced into the first vent hole to fill the gap between the ejector rod and the containing hole, so that the ejector rod overcomes the gravity and is kept at the first position.

3. A glassware forming assembly as claimed in claim 2, wherein the bottom of the receiving bore forms a constriction, thereby limiting the lowermost position of the radial flange at the constriction so that the ram is restrained in the second position when moved downwardly; the first vent is disposed at the narrowing structure.

4. A glassware forming assembly as claimed in claim 2, wherein a second vent hole is provided in the blowhead above the first vent hole and in communication with the receiving hole for admitting high pressure gas and acting on top of the radial flange to provide assistance to the ram in moving to the second position.

5. The glass article forming assembly of claim 2, wherein the first vent hole is horizontally disposed.

6. The glass article forming assembly of claim 4, wherein the second vent is horizontally disposed.

7. The glass article forming assembly of any one of claims 1 to 6, wherein the chimney is vertically disposed.

8. The glassware forming assembly of claim 7, wherein a blow hole is provided in a bottom of the blow head, the air duct and the receiving hole communicating with each other at the blow hole, the blow hole for communicating with a mouth of the glass blank.

9. The glassware forming assembly of claim 8, wherein the bottom of the blowhead is further provided with an upwardly recessed step below the blowhole for abutting the mouth of the glass gob.