CN214171381U

CN214171381U - Feed valve for quickly jetting materials

Info

Publication number: CN214171381U
Application number: CN202120228668.7U
Authority: CN
Inventors: 张运海; 管庆辉; 刘艳杰; 杨光
Original assignee: Yonghong Baoding Foundry Machinery Co ltd
Current assignee: Yonghong Baoding Foundry Machinery Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-10
Anticipated expiration: 2031-01-27

Abstract

The embodiment of the specification discloses a charging valve for quickly jetting materials, which comprises a material valve shell, a rotating hemisphere, a driving shaft, a driven shaft and an inflatable sealing rubber ring; the rotary hemisphere is connected with the material valve shell through the driving shaft and the driven shaft, and the rotary hemisphere is connected with the material valve shell in a sealing mode through the inflatable sealing rubber ring; the driving shaft is connected with the material valve shell in a sealing mode, and the driven shaft is connected with the material valve shell in a sealing mode. The utility model discloses a rotatory hemisphere formula seal structure, driving shaft and driven shaft adopt dustproof with the sealed structure of flip-chip, have avoided current structural seal not tight, leak the defect of material easily, have improved the reliable and stable nature, have prolonged life, can also ensure lubricating oil and impurity discharge before the sealing washer through the flip-chip when supplementing lubricating oil. The inflatable sealing rubber ring is retractable, and the inflatable sealing rubber ring is completely separated when the hemisphere rotates, so that the abrasion between the inflatable sealing rubber ring and the hemisphere is reduced, and the service life is effectively prolonged.

Description

Feed valve for quickly jetting materials

Technical Field

The application relates to the technical field of mechanical casting, in particular to a feeding valve for quickly injecting materials.

Background

The automatic molding machine needs continuous pulse type sand supplement in the production and operation process, the butterfly plate type, flap plate type, inserting plate type and other feeding valves are used in the prior art, the sealing performance is poor, the switching efficiency is low, the service life is short, the replacement operation is inconvenient and other defects are overcome, the reliability of the operation of the automatic molding machine is seriously affected, and the frequency and the difficulty of maintenance are increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present application provides a feeding valve for fast injecting a material, in which a rotating hemisphere is driven by an air cylinder, and is opened during material supplement, after a level meter detects that the material is in place, the material supplement is stopped, the rotating hemisphere is closed, an inflation sealing rubber ring is inflated, the rotating hemisphere is sealed, a pulse air valve is opened, and compressed air rapidly presses the material into a designated container (cavity) through a circular seam, so as to achieve the purpose of rapid material supplement; the rotating hemisphere is made of special wear-resistant materials, and the service life of the rotating hemisphere is prolonged. The utility model has the advantages of high automation degree, high working efficiency, durability, safety, reliability and the like.

The embodiment of the specification provides a quick-injection material charging valve, which comprises a material valve shell, a rotating hemisphere, a driving shaft, a driven shaft and an inflatable sealing rubber ring; the rotary hemisphere is connected with the material valve shell through the driving shaft and the driven shaft, and the rotary hemisphere is connected with the material valve shell through the inflatable sealing rubber ring in a sealing mode; the driving shaft is connected with the material valve shell in a sealing mode, and the driven shaft is connected with the material valve shell in a sealing mode.

Optionally, the driving shaft passes through the dust ring and the flip-chip sealing washer with material valve housing sealing connection, the driven shaft pass through the dust ring and the flip-chip sealing washer with material valve housing sealing connection.

Optionally, the pneumatic sealing rubber ring is fixed on the material valve shell through a connecting flange, a supporting ring and a pressing flange.

Optionally, the charging valve still includes actuating cylinder and linking arm, actuating cylinder passes through the linking arm with rotatory hemisphere is connected, is used for the drive rotatory hemisphere with the driving shaft with the driven shaft is rotatory as the axle center.

Optionally, the charging valve further comprises a position switch for defining the position of the connecting arm.

Optionally, the feed valve further comprises a receiving hopper arranged at the upper end of the feed valve housing, and an outlet of the receiving hopper is located at the upper end of the rotating hemisphere.

Optionally, the charge valve further comprises a material injection straight cylinder, and the material injection straight cylinder and the material valve shell are sealed through a sealing ring.

Optionally, a level meter is arranged inside the material injection straight cylinder.

Optionally, the charging valve further comprises: the material valve comprises a pulse air valve, an air inlet pipe and an exhaust valve, wherein the pulse air valve, the air inlet pipe and the exhaust valve are arranged on the material valve shell, when the pulse air valve is opened, compressed air enters the sealed material valve shell through the air inlet pipe to inject materials, and after the materials are injected, the exhaust valve is opened to exhaust the internal gas of the material valve shell.

Optionally, the charging valve further comprises: the material valve comprises a position switch supporting plate and a cylinder supporting frame, wherein the position switch supporting plate and the cylinder supporting frame are arranged on the material valve shell, the position switch supporting plate is used for fixing the position switch, and the cylinder supporting frame is used for fixing the execution cylinder.

The embodiment of the specification adopts at least one technical scheme which can achieve the following beneficial effects:

1. the utility model discloses a rotatory hemisphere formula seal structure has avoided current structural seal not tight, leaks the defect of material easily, has prolonged the life of charge valve, has improved the reliable and stable nature.

2. The utility model provides a rotation axis (driving shaft and driven shaft) adopts dustproof structure with the flip-chip seal, has effectually prevented that the material from getting into rotatory position, has prolonged life, can also ensure lubricating oil and impurity discharge before the sealing washer through the flip-chip when replenishing lubricating oil.

3. The utility model provides an aerify and seal rubber ring for extendible, have completely when rotatory hemisphere action to aerify sealed rubber ring and break away from, reduced wearing and tearing each other, the effectual life that has prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic overall structural diagram of a charging valve for quick-injection of materials according to an embodiment of the present disclosure;

fig. 2 is a cross-sectional view of a charging valve for quick-injection of materials provided in the embodiments of the present disclosure.

Reference numerals: 1-material valve shell, 2-rotating hemisphere, 3-driving shaft, 4-driven shaft, 5-dustproof ring, 6-inverted sealing ring, 7-inflatable sealing ring, 8-supporting flange, 9-supporting ring, 10-pressing flange, 11-execution cylinder, 12-connecting arm, 13-receiving hopper, 14-material injection straight cylinder, 15-material level meter, 16-sealing ring, 17-pulse air valve, 18-air inlet pipe, 19-air outlet valve, 20-position switch supporting plate and 21-air cylinder supporting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

The embodiment of the present specification provides a charging valve for quickly injecting materials, as shown in fig. 2, the charging valve includes a material valve housing 1, a rotating hemisphere 2, a driving shaft 3, a driven shaft 4, and an inflation sealing rubber ring 7. The rotating hemisphere 2 is fixed on the material valve shell 1 through the driving shaft 3 and the driven shaft 4, and the rotating hemisphere 2 can rotate along with the driving shaft 3 and the driven shaft 4. Wherein, driving shaft 3 and driven shaft 4 are connected with material valve housing 1 through dust ring 5 and flip-chip sealing washer 6 respectively in a sealing manner, ensure that material and sand and dust do not get into rotatory position. Wherein, dust ring 5 can prevent inside the driving shaft 3 and the driven shaft 4 structure that impurity such as sand and dust that inside material formed got into, flip-chip sealing washer 6 is the protection of second way, also can guarantee that the bearing is ejecting with impurity when the filling butter.

The rotary hemisphere 2 and the material valve shell 1 are connected in a sealing mode through the inflatable sealing rubber ring 7, and the working principle is as follows: the inflatable sealing rubber ring 7 is inflated, so that the sealing of the rotating hemisphere 2 is completed, the inside and the outside of the feeding valve are isolated, and the effect of inflating and quick shooting in the cavity is achieved. The inflatable sealing rubber ring 7 is fixed on the material valve shell 1 through a connecting flange (not shown in the figure), a supporting flange 8, a supporting ring 9 and a pressing flange 10. The connecting flange is fixed on the material valve shell 1, the supporting flange 8 is fixed on the connecting flange, and the lower edge of the inflatable sealant ring 7 is embedded into a groove formed by the connecting flange and the supporting flange 8; the upper edge of the inflatable sealing rubber ring 7 is placed in a groove on the pressing flange 10, and the pressing flange 10 is fixed on the connecting flange; the support ring 9 is placed in the groove of the inflatable sealing rubber ring 7, and the support ring 9 plays a role in supporting and fixing the inflatable sealing rubber ring 7 and the air duct.

As shown in FIG. 1, the charging valve further comprises an execution cylinder 11, a connecting arm 12, a receiving hopper 13, a material injection straight cylinder 14 and a material level meter. The actuating cylinder 11 is connected with the rotating hemisphere 2 through a connecting arm 12, when feeding, the actuating cylinder 11 drives the connecting arm 12 to open the rotating hemisphere 2, and the material is placed into the material shooting straight cylinder 14 through the material receiving hopper 13. Penetrate straight section of thick bamboo 14 of material and be provided with charge level indicator 15, charge level indicator 15 detects and stops the feed after expecting appointed material level, later, and rotatory hemisphere 2 is closed to actuating cylinder 11 drive linking arm 12, and compressed air aerifys sealed rubber ring 7, makes rotatory hemisphere 2 and aerify sealed rubber ring 7 contact sealed, is formed with the sealed chamber of material. Wherein, the charging valve and the injection straight cylinder 14 are sealed by a sealing ring 16. The pulse air valve 17 is automatically opened, and compressed air enters the sealed cavity through the air inlet pipe 18 to form downward pressure drop and quickly inject the material into a designated container. And after the material injection is finished, the exhaust valve 19 is opened, the gas in the closed cavity is exhausted and then is closed again, and a cycle is completed.

In addition, in some embodiments, a position switch support plate 20 and a cylinder support 21 are further included, the position switch support plate 20 is used for fixing a position switch for checking opening and closing of the rotating hemisphere, and the cylinder support 21 is used for fixing the actuating cylinder 11.

The utility model discloses a feed valve for quick-jetting materials, wherein a rotary hemisphere is driven by a cylinder and is opened when supplementing materials, after a charge level indicator detects that the materials are in place, the material supplementing is stopped, the rotary hemisphere is closed, an inflatable sealing rubber ring is inflated, the rotary hemisphere is sealed, a pulse air valve is opened, and compressed air rapidly presses the materials into a designated container (cavity) through a circular seam so as to achieve the purpose of rapid material supplementing; the rotating hemisphere is made of special wear-resistant materials, and the service life of the rotating hemisphere is prolonged. The utility model has the advantages of high automation degree, high working efficiency, durability, safety, reliability and the like.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device in which the element is included.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A charging valve for quickly jetting materials is characterized by comprising a charging valve shell, a rotating hemisphere, a driving shaft, a driven shaft and an inflatable sealing rubber ring; the rotary hemisphere is connected with the material valve shell through the driving shaft and the driven shaft, and the rotary hemisphere is connected with the material valve shell through the inflatable sealing rubber ring in a sealing mode; the driving shaft is connected with the material valve shell in a sealing mode, and the driven shaft is connected with the material valve shell in a sealing mode.

2. The charging valve of claim 1, wherein the driving shaft is sealingly coupled to the charging valve housing via a wiper and an inverted seal, and the driven shaft is sealingly coupled to the charging valve housing via a wiper and an inverted seal.

3. The charging valve as recited in claim 1, wherein said inflatable gasket is secured to said charging valve housing by a coupling flange, a support ring and a compression flange.

4. The charging valve of claim 1, further comprising an actuating cylinder and a connecting arm, wherein the actuating cylinder is connected to the rotating hemisphere via the connecting arm for driving the rotating hemisphere to rotate around the driving shaft and the driven shaft.

5. The filling valve of claim 4, further comprising a position switch for defining the position of the linkage arm.

6. The filling valve of claim 1, further comprising a receiving hopper disposed at an upper end of the valve housing, an outlet of the receiving hopper being located at an upper end of the rotating hemisphere.

7. The charging valve of claim 1, further comprising a shot sleeve, wherein the shot sleeve is sealed to the valve housing by a sealing ring.

8. The charging valve as defined in claim 7, wherein a level gauge is disposed inside the injection cylinder.

9. The charging valve of claim 7, further comprising: the material valve comprises a pulse air valve, an air inlet pipe and an exhaust valve, wherein the pulse air valve, the air inlet pipe and the exhaust valve are arranged on the material valve shell, when the pulse air valve is opened, compressed air enters the sealed material valve shell through the air inlet pipe to inject materials, and after the materials are injected, the exhaust valve is opened to exhaust the internal gas of the material valve shell.

10. The charging valve of claim 4, further comprising: the material valve comprises a position switch supporting plate and a cylinder supporting frame, wherein the position switch supporting plate and the cylinder supporting frame are arranged on the material valve shell, the position switch supporting plate is used for fixing the position switch, and the cylinder supporting frame is used for fixing the execution cylinder.