CN217381726U

CN217381726U - Double-air-supply reversing valve for vacuum feeding machine

Info

Publication number: CN217381726U
Application number: CN202221340436.1U
Authority: CN
Inventors: 钱申敏; 钱瑞伟; 刘敬; 白广金; 张军军
Original assignee: Tianjin Feiyun Powder Equipment Co ltd
Current assignee: Tianjin Feiyun Powder Equipment Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-06
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a double air supply reversing valve for a vacuum feeding machine, which comprises a reversing valve body and a reversing valve plate; the linear cylinder is installed to a first port of the reversing valve body through a cylinder end cover, the output end of the linear cylinder penetrates through the cylinder end cover and is connected to the end of the reversing valve rod, linear driving on the cylinder valve rod is achieved, end cover air holes are formed in two sides of the cylinder end cover, a reversing valve plate is installed on the reversing valve rod and used for plugging the first port of the reversing valve body and a second port opposite to the first port; the third port of the reversing valve body is communicated with a material conveying pipeline; the first port of the tee body is connected with the second port of the reversing valve body, the second port of the tee body is provided with an air inlet assembly, and the third port of the tee body is communicated to a vacuum pipeline. The utility model discloses block vacuum source and vacuum hopper completely, vacuum hopper and atmosphere intercommunication when breaking the vacuum source effectively solve the not smooth problem of blowing that current switching-over valve structure leads to.

Description

Double-air-supply reversing valve for vacuum feeding machine

Technical Field

The utility model belongs to the switching-over valve field especially relates to a vacuum material loading machine is with two tonifying qi switching-over valves.

Background

During the working process of the vacuum feeder, a vacuum source needs to be opened and closed through a reversing valve. The existing reversing valve can only open a vacuum pipeline in the discharging process of a vacuum charging machine, the vacuum of the pipeline is broken, the vacuum hopper and a vacuum source cannot be completely blocked, the pressure relief of the vacuum pipeline is insufficient, a discharging pneumatic flap valve is not smoothly opened, and even the phenomenon that the vacuum hopper cannot be opened is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a vacuum material loading machine is with two tonifying qi switching-over valves, valve body both ends tonifying qi simultaneously blocks vacuum source and vacuum hopper completely, breaks the vacuum source in, and vacuum hopper and atmosphere intercommunication effectively solve the not smooth problem of blowing that current switching-over valve structure leads to.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a double-air-supply reversing valve for a vacuum feeding machine comprises a reversing valve body, a reversing valve plate, a reversing valve rod, a linear cylinder, a cylinder end cover and a three-way body;

the linear cylinder is mounted to a first port of the reversing valve body through a cylinder end cover, the reversing valve rod is arranged inside the reversing valve body, the output end of the linear cylinder penetrates through the cylinder end cover and is connected to the end portion of the reversing valve rod, linear driving of the cylinder valve rod is achieved, end cover air holes are formed in two sides of the cylinder end cover, the reversing valve rod is provided with a reversing valve plate, and the reversing valve plate is used for plugging the first port of the reversing valve body and a second port opposite to the first port; the third port of the reversing valve body is communicated with a material conveying pipeline; the first port of the tee joint body is connected with the second port of the reversing valve body, the second port of the tee joint body is provided with an air inlet valve cover assembly, and the third port of the tee joint body is communicated to a vacuum pipeline.

Further, the air inlet valve cover assembly includes air inlet valve cover assembly, air inlet valve seat and air inlet spring, and the second opening to the tee bend body is installed to the air inlet valve seat, and air inlet valve seat middle part is equipped with the cooperation groove that admits air, and the cooperation groove bottom that admits air is equipped with the air inlet, and the valve cover assembly is connected to the cooperation groove tip that admits air, realizes the shutoff to the cooperation groove that admits air.

Further, the air inlet valve cover assembly comprises an air inlet valve cover body, an air inlet valve rod, an air inlet spring and a limiting inner bolt, the air inlet valve cover body is fixedly mounted to the first end of the air inlet valve rod through a bolt, the second end of the air inlet valve rod penetrates through the air inlet valve seat, the second end of the air inlet valve rod is provided with the limiting inner bolt, the air inlet spring is sleeved outside the air inlet valve rod, and two ends of the air inlet spring are arranged between the limiting inner bolt and the air inlet valve seat.

Furthermore, the two ends of the reversing valve plate are both chamfered, so that the reversing valve plate is hermetically connected with the first port and the second port of the reversing valve body.

Furthermore, the air inlet valve rod and the reversing valve rod are on the same straight line, and the air inlet valve rod and the reversing valve rod can be guaranteed to be in contact.

Further, the linear cylinder drives the reversing valve rod to move, the reversing valve plate is in contact with the second port of the reversing valve body, the reversing valve rod ejects the air inlet valve rod, and a gap is formed between the air inlet valve cover and the air inlet matching groove.

Compared with the prior art, the utility model relates to a vacuum material loading machine is with two tonifying qi switching-over valves has following advantage:

(1) the utility model relates to a vacuum material loading machine is with two tonifying qi switching-over valves, simple structure, convenient operation can improve the work efficiency of material loading machine.

(2) The utility model relates to a vacuum material loading machine is with two tonifying qi switching-over valves, valve body both ends tonifying qi simultaneously blocks vacuum source and vacuum hopper completely, when breaking the vacuum source, vacuum hopper and atmosphere intercommunication effectively solve the not smooth problem of blowing that current switching-over valve structure leads to.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic cross-sectional view of a dual air-supply reversing valve for a vacuum feeder according to an embodiment of the present invention;

fig. 2 is a schematic view of the air circulation during feeding by the double air supply reversing valve for the vacuum feeding machine in the embodiment of the present invention;

fig. 3 is a schematic view of the air circulation when the double air supply reversing valve for the vacuum feeding machine discharges the material.

Description of the reference numerals:

1. a reversing valve body; 11. a first port; 12. a second port; 13. a third port; 2. a reversing valve plate; 3. a linear cylinder; 4. a cylinder end cover; 41. end cap air holes; 5. a tee body; 51. a first port; 52. a second port; 53. a third port; 6. an air intake assembly; 61. an intake valve cover assembly; 611. an intake valve cover body; 612. an air inlet valve stem; 613. an intake spring; 614. limiting an inner bolt; 62. an air inlet valve seat; 63. an air inlet matching groove; 64. an air inlet; 7. and a reversing valve rod.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A double-air-supply reversing valve for a vacuum feeding machine is shown in figure 1 and comprises a reversing valve body 1, a reversing valve plate 2, a reversing valve rod 7, a linear cylinder 3, a cylinder end cover 4 and a three-way body 5;

the linear cylinder 3 is mounted to a first port 11 of the reversing valve body 1 through a cylinder end cover 4, the reversing valve rod 7 is arranged inside the reversing valve body 1, the output end of the linear cylinder 3 penetrates through the cylinder end cover 4 to be connected to the end of the reversing valve rod 7, linear driving on the cylinder valve rod is achieved, end cover air holes 41 are formed in two sides of the cylinder end cover 4, the reversing valve plate 2 is mounted on the reversing valve rod 7, and the reversing valve plate 2 is used for plugging the first port 11 of the reversing valve body 1 and a second port 12 opposite to the first port 11; a third port 13 of the reversing valve body 1 is communicated with a material conveying pipeline; the first port 51 of the three-way body 5 is connected with the second port 12 of the reversing valve body 1, the second port 52 of the three-way body 5 is provided with an air inlet valve cover assembly 61, and the third port 53 of the three-way body 5 is communicated to a vacuum pipeline.

Further, the air inlet valve cover assembly 61 includes air inlet valve cover assembly 61, air inlet valve seat 62 and inlet spring 613, and air inlet valve seat 62 is installed to the second through-hole 52 of tee bend body 5, and air inlet valve seat 62 middle part is equipped with the cooperation groove 63 that admits air, and the cooperation groove 63 bottom of admitting air is equipped with air inlet 64, and the valve cover assembly is connected to the cooperation groove 63 tip that admits air, realizes the shutoff to the cooperation groove 63 that admits air, and the valve cover assembly cooperates with switching-over valve rod 7, realizes the circulation of air.

Further, the intake valve cover assembly 61 includes an intake valve cover body 611, an intake valve stem 612, an intake spring 613 and a limiting internal bolt 614, the intake valve cover body 611 is fixedly mounted to a first end of the intake valve stem 612 through a bolt, a second end of the intake valve stem 612 passes through the intake valve seat 62, the limiting internal bolt 614 is mounted to a second end of the intake valve stem 612, the intake spring 613 is sleeved outside the intake valve stem 612, two ends of the intake spring 613 are disposed between the limiting internal bolt 614 and the intake valve seat 62, the intake valve stem 612 is pressed in the tee joint to enable the intake valve stem 612 to generate displacement, and the intake valve stem 612 always has a rebounding acting force under the acting force of the intake spring 613, and when the reversing valve stem 7 is separated from the intake valve stem 612, the intake valve stem 612 returns to an initial position under the spring acting force, so that the intake valve cover blocks the intake matching groove 63.

Further, the equal chamfer structure in 2 both ends of switching-over valve block realizes with first port 11, the 12 sealing connection of second port of switching-over valve body 1, and the chamfer structure can increase area of contact, and is preferred, can also set up the rubber pad at the both ends of switching-over valve block 2, can improve the leakproofness between switching-over valve block 2 and the switching-over valve body 1.

Further, the air inlet valve rod 612 and the reversing valve rod 7 are on the same straight line, and the air inlet valve rod 612 and the reversing valve rod 7 can be in contact.

Further, the linear cylinder 3 drives the reversing valve rod 7 to move, the reversing valve plate 2 is in contact with the second port 12 of the reversing valve body 1, the reversing valve rod 7 ejects the air inlet valve rod 612, and a gap is formed between the air inlet valve cover and the air inlet matching groove 63.

According to the working principle, as shown in fig. 2, when feeding, the reversing valve plate 2 blocks the first port 11, the air inlet valve cover blocks the air inlet matching groove 63, the vacuum pipeline connected with the third port 53 and the feeding pipeline communicated with the third port 13 are in a passage state, and the material body is conveyed under vacuum negative pressure; when the material body reaches the conveying standard, as shown in fig. 3, a manual control or controller controls the linear cylinder 3 to work to drive the reversing valve rod 7 to move, contact with the air inlet valve rod 612 and continuously eject until the reversing valve plate 2 contacts with the second port 12 of the reversing valve body 1, at this time, air enters from the end cover air hole 41, air at the other end enters from a gap between the air inlet valve cover body 611 and the air inlet matching groove 63, and then enters a vacuum pipeline through the air inlet 64, so that the vacuum state of the hopper is damaged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a vacuum material loading machine is with two tonifying qi switching-over valves which characterized in that: the reversing valve comprises a reversing valve body, a reversing valve plate, a reversing valve rod, a linear cylinder, a cylinder end cover, an air inlet assembly and a tee joint body;

the linear cylinder is mounted to a first port of the reversing valve body through a cylinder end cover, the reversing valve rod is arranged inside the reversing valve body, the output end of the linear cylinder penetrates through the cylinder end cover and is connected to the end portion of the reversing valve rod, linear driving of the cylinder valve rod is achieved, end cover air holes are formed in two sides of the cylinder end cover, the reversing valve rod is provided with a reversing valve plate, and the reversing valve plate is used for plugging the first port of the reversing valve body and a second port opposite to the first port; the third port of the reversing valve body is communicated with a material conveying pipeline; the first port of the tee body is connected with the second port of the reversing valve body, the second port of the tee body is provided with an air inlet assembly, and the third port of the tee body is communicated to a vacuum pipeline.

2. The double air supply reversing valve for the vacuum feeding machine as claimed in claim 1, characterized in that: the subassembly that admits air includes the air intake valve lid subassembly, admits air disk seat and the spring that admits air, admits air the second opening that the disk seat was installed to the tee bend body, admits air the disk seat middle part and is equipped with the cooperation groove that admits air, and the cooperation groove bottom that admits air is equipped with the air inlet, and the air intake valve lid subassembly is connected to the cooperation groove tip that admits air, realizes the shutoff to the cooperation groove that admits air.

3. The double air supply reversing valve for the vacuum feeding machine as claimed in claim 2, characterized in that: the air inlet valve cover assembly comprises an air inlet valve cover body, an air inlet valve rod, an air inlet spring and a limiting inner bolt, the air inlet valve cover body is fixedly mounted to the first end of the air inlet valve rod through a bolt, the second end of the air inlet valve rod penetrates through the air inlet valve seat, the second end of the air inlet valve rod is provided with the limiting inner bolt, the air inlet spring is sleeved outside the air inlet valve rod, and the two ends of the air inlet spring are arranged between the limiting inner bolt and the air inlet valve seat.

4. The double air supply reversing valve for the vacuum feeding machine as claimed in claim 1, characterized in that: the two ends of the reversing valve plate are both in chamfer structures, and the reversing valve plate is connected with the first port and the second port of the reversing valve body in a sealing mode.

5. The double air supply reversing valve for the vacuum feeding machine as claimed in claim 3, wherein: the air inlet valve rod and the reversing valve rod are on the same straight line, and the air inlet valve rod and the reversing valve rod can be guaranteed to be in contact.

6. The double air supply reversing valve for the vacuum feeding machine as claimed in claim 3, wherein: the linear cylinder drives the reversing valve rod to move, the reversing valve plate is in contact with the second port of the reversing valve body, the reversing valve rod ejects the air inlet valve rod out, and a gap is formed between the air inlet valve cover and the air inlet matching groove.