Powder block material feeding control valve

Abstract

The utility model relates to the technical field of valves, in particular to a powder block material feeding control valve, which comprises a rod valve and a gate valve, and further comprises a valve body assembly, the valve body assembly comprises an installation valve frame provided with a partition plate, the rod valve is installed on one side of the partition plate in the installation valve frame, and the gate valve is installed in the installation valve frame and located on the lower side of the rod valve; the gate valve comprises a gate plate body which horizontally moves along the mounting valve frame through a driving source, and an inserting opening for inserting the gate plate body is formed in the partition plate; the sealing assembly is mounted on the side, away from the rod valve, of the partition plate, is vertically symmetrical about the gate plate body and is used for keeping sealing to prevent powdery materials from leaking from the insertion opening; according to the powder block material feeding control valve, the problem that a gate valve can not be closed when used independently is avoided, and the problem that feeding control can not be conducted on powder materials when a bar valve is used independently is also avoided; as a whole, the valve adopts a two-stage design of a rod valve and a gate valve, so that the feeding control of mixed materials containing powder blocks can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a kind of powder block material feeding control valve. BACKGROUND

[0002] At present, in the industry of building materials, mines, metallurgy etc., the feeding control of different materials needs to be realized through various valves; the rod valve is a kind of feeding valve suitable for the conveying control of small and medium-sized solid and blocky materials; it overcomes the shortcomings that the opening and closing force is large due to large material particles in the gate valve, and even it cannot be closed, so the rod valve is often used for the control of small and medium-sized blocky materials.

[0003] However, for powdery materials, the rod valve cannot realize effective feeding control of powdery materials due to the large gap between valve rod units, but in the industry of building materials, mines, metallurgy etc., there are more cases of containing powder and blocky materials, and the separate use of rod valve or gate valve has limitations; therefore, a valve suitable for the feeding control of powder and blocky mixed materials is considered to be designed, and in view of this, a powder block material feeding control valve is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the deficiencies mentioned in the above background technology, and provides a powder block material feeding control valve.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A powder block material feeding control valve, comprising a rod valve and a gate valve, further comprising:

[0007] A valve body assembly, comprising a mounting valve frame provided with a partition plate, the mounting valve frame is located on one side of the partition plate, the rod valve is installed in the mounting valve frame, and the gate valve is installed in the mounting valve frame and located below the rod valve;

[0008] The gate valve comprises a gate plate body horizontally moved along the mounting valve frame by a driving source, and the partition plate is provided with a socket for inserting the gate plate body;

[0009] A sealing assembly is installed on the side of the partition plate away from the rod valve and symmetrically arranged above and below the gate plate body, for keeping sealing to avoid leakage of powdery materials from the socket.

[0010] Preferably, the sealing assembly comprises a sealing seat arranged on the upper and lower sides of the gate plate body, and a packing is installed on the side of the sealing seat close to the gate plate body;

[0011] The sealing seat is detachably installed on the partition plate by screws, and a sealing press plate is press-fitted between the sealing seat and the partition plate, and the sealing press plate is used for extruding the packing to keep sealing.

[0012] Preferably, a position sensor is mounted on the inside of the mounting valve frame, and an inductive block for determining the moving position is arranged on the gate plate body and cooperates with the position sensor.

[0013] Preferably, the mounting valve frame is provided with a jack, the rod valve comprises a guide sleeve block mounted in the mounting valve frame and corresponding to the jack, and a valve rod unit is inserted into the guide sleeve block through the jack.

[0014] Preferably, a roller for supporting the gate plate body is mounted below the rod valve in the mounting valve frame.

[0015] Preferably, a mounting protrusion is arranged on the gate plate body, a cylinder as a driving source is horizontally mounted on the mounting valve frame, and the cylinder drives the gate plate body to move horizontally and reciprocally by connecting the mounting protrusion with an output rod.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The powder block material feeding control valve avoids the problem that the gate valve alone can not be closed, and avoids the problem that the rod valve alone can not control the feeding of the powder material; the valve as a whole adopts the two-stage design of the rod valve and the gate valve, and can realize the feeding control of the mixed material containing the powder block. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings accompanying the specification provide further understanding of the utility model, the schematic embodiments of the utility model and the description thereof serve to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0019] Figure 1 It is one of the overall structure schematic diagrams of the utility model;

[0020] Figure 2 It is the second overall structure schematic diagram of the utility model;

[0021] Figure 3 It is the sectional installation schematic diagram of the utility model;

[0022] Figure 4 It is the overall structure exploded view of the utility model;

[0023] Figure 5 It is the sectional schematic diagram of the utility model;

[0024] Figure 6 It is the Figure 5 Partially enlarged schematic diagram of part A of the utility model.

[0025] The meanings of various reference numerals in the drawings are as follows:

[0026] 1, stick valve; 11, valve stick unit; 12, guide sleeve block;

[0027] 2, gate valve; 21, gate plate body; 22, mounting protrusion; 23, air cylinder; 231, output rod; 24, sensing block;

[0028] 3, valve body assembly; 301, insertion hole; 31, mounting valve frame; 32, partition plate; 33, position sensor; 34, side stop bar; 35, horizontal supporting plate; 36, roller;

[0029] 4, sealing assembly; 41, sealing seat; 42, packing; 43, sealing pressing plate; 44, screw. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] Please refer to Figures 1-6 , the technical solutions are described in detail by the following embodiments:

[0032] A powder block material feeding control valve, comprising a stick valve 1 and a gate valve 2, further comprising:

[0033] A valve body assembly 3, comprising a mounting valve frame 31 provided with a partition plate 32, as Figure 1 shown, the mounting valve frame 31 of the embodiment forms two port structures which are symmetrical left and right by the partition plate 32, the stick valve 1 is installed at the left side of the partition plate 32 in the mounting valve frame 31, and the gate valve 2 is installed in the mounting valve frame 31 and located at the lower side of the stick valve 1.

[0034] The embodiment has Figures 1-4 the structure as shown, the mounting valve frame 31 is provided with an insertion hole 301, the stick valve 1 comprises a guide sleeve block 12 installed in the mounting valve frame 31 corresponding to the insertion hole 301, and a valve stick unit 11 inserted in the guide sleeve block 12 through the insertion hole 301, the guide sleeve block 12 mainly plays a limiting and guiding role, facilitating the opening and closing of the valve stick 1.

[0035] It should be noted that, as Figure 3As shown in the structure, the gate valve 2 comprises a gate plate body 21 horizontally moving along the installation valve frame 31 by a driving source, and the partition plate 32 is provided with a socket for inserting the gate plate body 21; specifically, the gate plate body 21 is provided with an installation lug 22, the installation valve frame 31 is horizontally provided with a cylinder 23 as the driving source, and the cylinder 23 drives the gate plate body 21 to horizontally reciprocate by connecting the installation lug 22 through an output rod 231; when the cylinder 23 is contracted, the gate plate body 21 can be located at the right side port structure, and when the cylinder 23 is elongated, the gate plate body 21 can be located at the left side port structure, i.e. below the plug valve 1 to control the feeding of the powdery material, and cooperate with the plug valve 1 above to avoid the problem that the opening and closing force is large when the gate valve 2 is used alone due to the large blocky particles, and the gate valve 2 cannot be closed.

[0036] In order to provide stable movement of the gate plate body 21, as shown in the structure, Figure 4 a roller 36 and a horizontal supporting plate 35 are installed in the installation valve frame 31 below the plug valve 1 to support the gate plate body 21; at the same time, in order to avoid the powder leaking to the outside along the gate plate body 21 at the socket, a sealing assembly 4 is arranged on the partition plate 32 away from the plug valve 1 and symmetrically above and below the gate plate body 21, as shown in the structure, Figure 5 and Figure 6 as shown in the structure.

[0037] Specifically, the sealing assembly 4 comprises a sealing seat 41 arranged on the upper and lower sides of the gate plate body 21, and a packing 42 is installed on the side close to the gate plate body 21; the sealing seat 41 is detachably installed on the partition plate 32 by screws 44, and a sealing pressing plate 43 is press-fitted between the sealing seat 41 and the partition plate 32, which is used to extrude the packing 42 to maintain sealing, i.e. as shown in the structure, Figure 6 a sealing structure is formed at the socket to prevent the powder from leaking out, and good sealing performance is obtained.

[0038] In order to obtain accurate and reliable movement position relationship, as shown in the structure, Figure 4 a position sensor 33 is installed inside the installation valve frame 31, and a sensing block 24 is arranged on the gate plate body 21 to cooperate with the position sensor 33 to determine the movement position, and two position sensors 33 are respectively used to judge whether the opening and closing positions are in place.

[0039] The blocky material feeding control valve of the embodiment can be used in the process, the plug valve 1 on the upper side can be used as the first stage valve to realize the feeding adjustment of the blocky material in the material, and the gate valve 2 on the lower side can be used as the second stage valve to cooperate with the plug valve 1 to prevent the powdery material from flowing down in the closed state, so as to realize the feeding control of the blocky material containing powder; at the same time, the embodiment is provided with Figure 4 a side blocking strip 34 to avoid the problem that the powder is accumulated on the side edge to affect the closing degree of the gate valve 2.

[0040] It should be noted that if the embodiment of the utility model has the direction indication (such as up, down, left, right, front, back, etc.), the direction indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, if the certain posture changes, then the direction indication also changes accordingly.

[0041] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

Claims

1. A bulk material feeding control valve comprising a plug valve (1) and a gate valve (2), characterized in that: Also included are: A valve body assembly (3) comprising a mounting valve frame (31) with a partition plate (32) installed, the mounting valve frame (31) is installed with the rod valve (1) on one side of the partition plate (32), and the gate valve (2) is installed in the mounting valve frame (31) and below the rod valve (1); The gate valve (2) comprises a gate plate body (21) moving horizontally along the mounting valve frame (31) by a driving source, and the partition plate (32) is provided with a socket for inserting the gate plate body (21); A sealing assembly (4) is installed on the side of the partition plate (32) away from the rod valve (1) and symmetrically arranged above and below the gate plate body (21) for maintaining sealing to prevent powder material from leaking from the socket.

2. The bulk material feed control valve of claim 1, wherein: The sealing assembly (4) comprises a sealing seat (41) arranged on the upper and lower sides of the gate plate body (21), and the sealing seat (41) is installed with a packing (42) close to the side of the gate plate body (21); The sealing seat (41) is detachably installed on the partition plate (32) by screws (44), and a sealing pressure plate (43) is pressed between the sealing seat (41) and the partition plate (32), which is used to extrude the packing (42) to maintain sealing.

3. A bulk material feed control valve as claimed in claim 2, wherein: A position sensor (33) is installed inside the mounting valve frame (31), and an inductive block (24) is arranged on the gate plate body (21) to cooperate with the position sensor (33) to determine the moving position.

4. The bulk material feed control valve of claim 2, wherein: The mounting valve frame (31) is provided with a socket (301), the rod valve (1) comprises a guide sleeve block (12) installed in the mounting valve frame (31) corresponding to the socket (301), and a valve rod unit (11) inserted into the guide sleeve block (12) through the socket (301).

5. A bulk material feed control valve as claimed in claim 4, wherein: The mounting valve frame (31) is installed with a roller (36) below the rod valve (1) for supporting the gate plate body (21).

6. A bulk material feed control valve as claimed in claim 5, wherein: The gate plate body (21) is provided with a mounting protrusion (22), and the mounting valve frame (31) is horizontally installed with a cylinder (23) as a driving source, and the cylinder (23) drives the gate plate body (21) to move horizontally reciprocatingly by connecting the mounting protrusion (22) through an output rod (231).

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