CN213166410U

CN213166410U - Mould evacuation pipeline system suitable for vulcanizer

Info

Publication number: CN213166410U
Application number: CN202021547816.3U
Authority: CN
Inventors: 羊洋; 王小燕; 张燕; 马超; 郑万利; 王炯
Original assignee: Hangzhou Chaoyang Rubber Co Ltd
Current assignee: Hangzhou Chaoyang Rubber Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-11
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to a mould evacuation pipeline system suitable for vulcanizer, one end and evacuation are responsible for the integrated valves device of evacuation that is connected the other end and loose mould and are responsible for, the integrated valves device of evacuation, the evacuation pipe device of loose mould intercommunication with the evacuation, the evacuation pipe device includes connecting tube and sets up first flange, the second flange on connecting tube, the integrated valves device of evacuation include the bottom plate, set up the integrated valve body on the bottom plate and set up the evacuation trip valve on the integrated valve body, evacuation integrated valves device rear side is through first flange and connecting tube intercommunication, evacuation trip valve front side be responsible for through second flange and evacuation and be connected.

Description

Mould evacuation pipeline system suitable for vulcanizer

Technical Field

The utility model relates to an automobile tire vulcanizes the field, in particular to evacuation pipe-line system who is applicable to each vulcanizer segmented mold of vulcanizer.

Background

In the existing manufacturing process of all-steel radial tires, a vulcanizer segmented mold is still divided into an upper mold and a lower mold, the upper mold mainly comprises a certain number of segmented pattern blocks, and a lower mold main body comprises a lower side plate. When the tire blank of the vulcanizing machine enters a cylinder for closing the mold, the segmented pattern blocks of the segmented mold of the vulcanizing machine are contracted to fix the green tire of the tire by the pressing principle of the upper mold. In the process of vulcanizing a green tire, because the distribution of air holes of a mold is unreasonable or partial air holes are blocked, the air discharge between the mold and the green tire is not thorough, the tire edge fillets, frame lines, fonts, seam air and glue shortage at seam fillets and other parts occur, the requirement of the vulcanizing process of tire production is difficult to meet, the product percent of pass is reduced, and the efficiency of the whole machine is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model discloses implement and provide a safe effectual improvement product percent of pass, can form negative pressure state's evacuation pipe-line system between green child and the mould during vulcanization

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the pipe-line system of mould evacuation suitable for vulcanizer, one end and evacuation are responsible for the integrated valves device of evacuation that is connected the other end and loose mould and is responsible for, the integrated valves device of evacuation, the evacuation pipeline device of loose mould intercommunication with the evacuation, the evacuation pipeline device includes connecting tube and sets up first flange, second flange on connecting tube, the integrated valves device of evacuation include the bottom plate, set up the integrated valve body on the bottom plate and set up the evacuation trip valve on the integrated valve body, the integrated valves device rear side of evacuation is through first flange and connecting tube intercommunication, the evacuation trip valve front side be responsible for through second flange and evacuation and be connected.

As the preferred scheme, the integrated valve body on still be equipped with an tonifying qi trip valve, tonifying qi trip valve one end is connected with first connecting flange, the other end with be connected outside air.

Preferably, the vacuum pumping pipeline device is provided with a pressure sensor.

Preferably, the connecting pipeline comprises a stainless steel pipeline and a metal hose for connecting the stainless steel pipeline with the movable mould.

Preferably, the air supply cut-off valve is arranged at the rear side of the vacuumizing cut-off valve.

Preferably, the connecting pipeline further comprises a main pipe ball valve arranged between the vacuumizing stop valve and the vacuumizing main pipe and a ball valve arranged at the front end of the segmented mold.

The utility model vacuumizes the segmented mold, and the negative pressure state is achieved between the green tire and the mold during the vulcanization, thereby avoiding the problems that the edge fillets, the frame lines and other parts of the green tire are lack of materials due to unreasonable distribution of the mold air holes or blockage of partial air holes in the vulcanization process, the product quality is influenced, and the product qualification rate is reduced; the vacuumizing pipeline device is connected with the connection position of a second flange, and then is connected with a segmented mold through a vacuumizing integrated valve bank device and a first connecting flange; and the valve body of the integrated valve is connected and fixed on the wall body through the bottom plate, so that the integrated valve is safe and stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the integrated valve set device for vacuum pumping of the present invention;

fig. 2 is a schematic view of the overall structure of the integrated valve set device for vacuum pumping of the present invention 2;

FIG. 3 is a side view of the integrated valve assembly for vacuum pumping of the present invention;

fig. 4 is a schematic diagram of the present invention.

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 or similar 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the methods or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other at the inner sections. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 4, a pipeline system suitable for mold vacuumizing of a vulcanizing machine comprises a vacuumizing integrated valve set device with one end connected with a vacuumizing main pipe and the other end connected with a loose mold, and a vacuumizing pipeline device communicated with the vacuumizing main pipe, the vacuumizing integrated valve set device and the loose mold, wherein one end of the vacuumizing pipeline device is communicated with the loose mold, and the other end is communicated with the vacuumizing main pipe, the vacuumizing pipeline device comprises a connecting pipeline and a first connecting flange 9 and a second connecting flange 8 which are arranged on the connecting pipeline, the vacuumizing integrated valve set device comprises a bottom plate 7, an integrated valve body 9 arranged on the bottom plate 7 and a vacuumizing stop valve 3 arranged on the integrated valve body 9, the rear side of the vacuumizing integrated valve set is communicated with the connecting pipeline through the first connecting flange 9, the front side of the vacuumizing stop valve 3 is connected with the vacuumizing main pipe through the second connecting flange 8, vacuumizing the segmented mold, so that a negative pressure state is achieved between the green tire and the mold during vulcanization, and the problems that the green tire has edge fillets, frame lines and other parts with air holes and the like due to unreasonable distribution of air holes of the mold or partial blockage of the air holes in the vulcanization process are solved, the quality of products is influenced, and the qualification rate of the products is reduced; the vacuum-pumping integrated valve group starts to work when the mold closing reaches a secondary vulcanization forming position in the cylinder entering process of a normal vulcanizing machine tire blank, the vacuum-pumping cut-off valve 3 is opened, the mold is vacuumized by the vacuum-pumping pipeline device, and the vacuum-pumping process lasts until the mold closing action of a vulcanizing machine is finished and the step of positive vulcanization starts; and the valve body 9 of the integrated valve is connected and fixed on the wall body through the bottom plate 7, so that the integrated valve is safe and stable.

As shown in fig. 1 and 3, the valve body 9 of the integration valve is further provided with an air supply cut-off valve 4, one end of the air supply cut-off valve 4 is communicated with the connecting pipeline through a first connecting flange 9, the other end of the air supply cut-off valve is communicated with the outside air, when the vulcanizing step is finished and the cylinder is ready to be opened, and when the air supply cut-off valve 4 is opened, the vacuumizing cut-off valve 3 is in a closed state, so that natural air is led into the segmented mold, namely the left mold and the right mold, through the connecting pipeline in the direction of the first connecting flange 9, so as to balance the internal pressure of the vacuum mold and avoid the phenomenon that the mold; further, as shown in fig. 1 and 3, the air make-up cut-off valve 4 is disposed behind the vacuum cut-off valve 3, i.e., between the first connecting flange 9 and the vacuum cut-off valve 3, and does not flow to the main vacuum pipe during air make-up.

Further, as shown in fig. 4, a pressure sensor 5 is arranged on the vacuum pipe device, and is arranged between the segmented mold and the integrated valve body 9, and is used for detecting and displaying the vacuum degree in the vacuum process, if the pressure sensor 5 displays that the pressure of the vacuum degree returns to zero and drops, it indicates that the vacuum integrated valve group device and the vacuum pipe device leak, and leak detection and maintenance are required, so as to ensure the machine efficiency.

Further, as shown in fig. 4, the connecting pipeline includes a stainless steel pipeline 13 and a metal hose 11 connecting the stainless steel pipeline 13 with the segmented mold, the metal hose 11 is disposed in front of the left mold and the right mold, and the integrated valve body 9 and the main vacuum pipe are connected with the metal hose 11 through the stainless steel pipeline 13

Further, as shown in fig. 1, 2 and 4, a silencer 6 is connected to one end of the air supply shut-off valve 4 connected to the outside air, and when the air supply shut-off valve 4 is opened, natural air enters through the silencer 6 and passes through the vacuum-pumping mold in the direction of the first connecting flange 9.

Further, as shown in fig. 2 and 3, the integrated valve body 9 is provided with a protective cover 14 disposed above the integrated valve body 9 for protecting the pneumatic element from being damaged by external force.

Further, as shown in fig. 4, the connecting pipeline further includes a main pipe ball valve 12 disposed between the vacuum stop valve 3 and the main vacuum pipe, a first ball valve 1 disposed at the front ends of the left mold metal hose and the right mold metal hose, and a second ball valve 2 disposed at the front end of the pressure sensor 5.

The utility model discloses in normal vulcanizer child embryo advances jar in-process, when the compound die reachs and vulcanizes the secondary design position, the integrated valves device of evacuation begins work, evacuation trip valve 3 is opened, evacuation gas is taken out to pipeline second flange 8 directions through the runner by first flange 9 departments, begins to carry out the mould evacuation through the evacuation pipe installation, shows current state evacuation degree through pressure sensor 5, the evacuation process lasts to the completion of vulcanizer compound die action and just vulcanize the preface and begin. After the positive vulcanization starts, the vacuumizing stop valve 3 is closed, the vacuumizing degree in the mold is kept, and if the pressure sensor 5 displays the phenomena of zero pressure and pressure drop of the vacuumizing degree in the process, the phenomena that a vacuum integrated valve group device and a vacuumizing pipeline device leak and need to be checked and maintained are shown; when the cylinder is ready to be opened after the vulcanization step sequence is finished, the air supplementing cut-off valve 4 is opened, so that natural air enters the interior of the mold through the silencer 6, the pressure in the interior of the mold is balanced, and the phenomenon that the mold is sucked or the cylinder cannot be opened is avoided.

It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent change and modification of the above embodiments according to the spirit of the present invention should be considered to be within the protection scope of the present invention.

Claims

1. Mould evacuation pipe-line system suitable for vulcanizer, its characterized in that: including one end and evacuation person in charge be connected the other end with loose mould be connected the integrated valves device of evacuation and be responsible for the evacuation, the integrated valves device of evacuation, the evacuation pipe device of loose mould intercommunication, the evacuation pipe device includes connecting tube and sets up first flange (9), second flange (8) on connecting tube, the integrated valves device of evacuation include bottom plate (7), set up integrated valve body (10) on bottom plate (7) and set up evacuation trip valve (3) on integrated valve body (10), evacuation integrated valve device rear side through first flange (9) and connecting tube intercommunication, evacuation trip valve (3) front side be responsible for through second flange (8) and evacuation and be connected.

2. The mold vacuum pumping pipeline system suitable for the vulcanizing machine as claimed in claim 1, wherein the integrated valve body (10) is further provided with an air supply shut-off valve (4), one end of the air supply shut-off valve (4) is connected with the first connecting flange (9), and the other end is communicated with the outside air.

3. The mold evacuation piping system for vulcanizer of claim 1 wherein said evacuation piping means is provided with a pressure sensor (5).

4. The mold evacuation piping system for vulcanizer of claim 1 wherein said connecting piping comprises a stainless steel pipe (13) and a metal hose (11) connecting the stainless steel pipe (13) to the movable mold.

5. The mold evacuation piping system for vulcanizer according to claim 2, wherein said air make-up shut-off valve (4) is disposed behind said evacuation shut-off valve (3).

6. The mold evacuation piping system for vulcanizer of claim 2 wherein said air make-up cut-off valve (4) is provided with a silencer (6) at the end connected to the outside air.

7. The mold evacuation piping system for a vulcanizer of claim 1 wherein said integration valve body (10) is provided with a protective cover.

8. The mold vacuum pumping pipe system suitable for the vulcanizing machine according to claim 2, characterized in that the connecting pipeline further comprises a main pipe ball valve (12) arranged between the vacuum stop valve (3) and the vacuum main pipe and a first ball valve (1) arranged at the front end of the segmented mold.