Vortex centrifugal hard alloy powder discharge valve

Abstract

The utility model discloses a vortex centrifugal type hard alloy powder discharge valve which comprises a first connecting flange, a second connecting flange, a vortex valve body and a driving assembly, the lower end portion of the first connecting flange is connected with the upper end portion of the second connecting flange, and rolling grooves are formed in the inner sides, connected with each other, of the first connecting flange and the second connecting flange. The upper end of the vortex valve body is located in the rolling groove and is in rolling connection with the upper end face and the lower end face of the rolling groove through ball rollers, and the driving assembly is rotationally connected with the lower end of the vortex valve body. According to the vortex centrifugal hard alloy powder discharging valve, the driving assembly is used for driving the vortex valve body to rotate, abrasion between materials and the inner wall of the vortex valve body is reduced, the service life of the discharging valve is prolonged, the batching precision is improved, and meanwhile the vortex centrifugal hard alloy powder discharging valve can be further suitable for various discharging scenes such as large-flow rapid discharging and small-flow fine discharging.

Description

TECHNICAL FIELD

[0001] The utility model belongs to powder metallurgy technical field, specifically belongs to a kind of hard alloy powder discharge valve of vortex centrifugal type. BACKGROUND

[0002] In powder metallurgy industry, hard powder alloy material is a kind of high-hardness material, due to hard powder alloy material particle, high hardness, it will cause greater wear to the surface of discharging device in transfer process, seriously it can lead to discharging device jam, reduce the efficiency of blanking, thereby affect working accuracy. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model aims at overcoming the deficiencies in the prior art, and provides a vortex centrifugal hard alloy powder discharge valve, and the present application provides the following technical solutions:

[0004] A vortex centrifugal hard alloy powder discharge valve, comprising a first connecting flange, a second connecting flange, a vortex valve body and a driving assembly, the first connecting flange, the second connecting flange and the vortex valve body are coaxially arranged along the height direction in sequence;

[0005] The lower end of the first connecting flange is connected to the upper end of the second connecting flange, and the inner side of the mutual connection of the first connecting flange and the second connecting flange forms a rolling groove, the upper end of the vortex valve body is located in the rolling groove, the upper end of the vortex valve body is rolling connected to the upper end face and the lower end face of the rolling groove through a spherical ball roller respectively, and the driving assembly is rotationally connected to the lower end of the vortex valve body.

[0006] As an alternative or supplement to the above-mentioned vortex centrifugal hard alloy powder discharge valve, it further comprises a protective cover, and the first connecting flange, the second connecting flange, the vortex valve body and the driving assembly are all arranged in the protective cover.

[0007] As an alternative or supplement to the above-mentioned vortex centrifugal hard alloy powder discharge valve, it further comprises a third connecting flange, the upper end of the third connecting flange is connected to the lower end of the second connecting flange, and the driving assembly is arranged at the bottom of the third connecting flange.

[0008] As an alternative or supplement to the above-mentioned vortex centrifugal hard alloy powder discharge valve, the vortex valve body is in the shape of a funnel.

[0009] As an alternative or supplement to the above-mentioned vortex centrifugal hard alloy powder discharge valve, the driving assembly comprises a motor, a driving wheel, a belt and a driven wheel, the motor is arranged on one side of the vortex valve body, the driving wheel is arranged on the motor, the driven wheel is arranged at the lower end of the vortex valve body, and the driving wheel and the driven wheel are connected through the belt.

[0010] As the alternative or supplement of the above-mentioned vortex centrifugal hard alloy powder discharge valve, a spiral discharge pipe is communicated with the lower end of the vortex valve body.

[0011] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0012] The vortex centrifugal hard alloy powder discharge valve of the present application utilizes the driving assembly to drive the vortex valve body to rotate, and the hard alloy powder enters the rotating vortex valve body through the first connecting flange, and performs centrifugal motion along the inner wall of the vortex valve body. Compared with the conventional feeding mode, the adhesion of the hard alloy powder to the inner wall of the valve body is reduced at this time, and the hard alloy powder can be thrown out and then separated from the inner wall through centrifugal motion, thereby reducing the wear of the hard alloy powder to the inner wall of the vortex valve body, prolonging the service life of the discharge valve, improving the accuracy of the batching, and further controlling the rotation speed of the motor to control the discharge amount of the discharge valve, so that the present application can be adapted to various discharge scenarios, such as large-flow rapid feeding and small-flow fine feeding.

[0013] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 is the internal structure diagram of the protective cover of the present application.

[0016] Figure 2 is a schematic diagram of the three-dimensional structure of the present application.

[0017] Figure 3 is a schematic diagram of the cross-sectional structure of the present application.

[0018] Reference signs: 1 - first connecting flange; 2 - second connecting flange; 3 - vortex valve body; 4 - third connecting flange; 5 - spherical roller; 6 - protective cover; 7 - motor; 8 - spiral discharge pipe. DETAILED DESCRIPTION

[0019] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters designate the same or like components throughout the drawings. The embodiments described below are exemplary and are not intended to be limiting of the present application.

[0020] In the present application, unless specifically defined otherwise, the terms "mounting", "connected", "connecting", "fixed", and "fixedly" are used broadly and encompass both direct and indirect mounting, connecting, and fixing, such as fixed connection, detachable connection, or integral connection; both mechanical and electrical connections; and direct and indirect contact, as appropriate for the component parts.

[0021] In the present application, unless specifically defined otherwise, the terms "on", "above", and "under" are used broadly and encompass both direct and indirect contact, such as directly on, indirectly on, directly above, indirectly above, directly under, or indirectly under, as appropriate for the component parts.

[0022] Please refer to Figures 1-3 The embodiment provides a hard alloy powder discharge valve, which comprises a first connecting flange 1, a second connecting flange 2, a vortex valve body 3 and a driving assembly, the first connecting flange 1, the second connecting flange 2 and the vortex valve body 3 are coaxial along the height direction in sequence.

[0023] The lower end of the first connecting flange 1 is connected with the upper end of the second connecting flange 2, and the inner side of the mutual connection of the first connecting flange 1 and the second connecting flange 2 forms a rolling groove, the upper end of the vortex valve body 3 is located in the rolling groove, the upper end of the vortex valve body 3 is rolling connected with the upper end face and the lower end face of the rolling groove through a spherical roller 5 respectively, and the driving assembly is rotationally connected with the lower end of the vortex valve body 3.

[0024] The first connecting flange 1, the second connecting flange 2, the vortex valve body 3 and the driving assembly are arranged in the protective cover 6, and the third connecting flange 4 is further arranged, the upper end of the third connecting flange 4 is connected with the lower end of the second connecting flange 2, and the driving assembly is arranged at the bottom of the third connecting flange 4.

[0025] In the above embodiment one, as Figure 1 It is the internal structure schematic view of the utility model, Figure 2 It is the external structure schematic view of being equipped with the protective cover 6, the utility model discloses a spiral centrifugal hard alloy powder discharge valve including protective cover 6, the first connecting flange 1, the second connecting flane 2, the vortex valve body 3 and the third connecting flange 4 are installed in order from top to bottom in protective cover 6, they are coaxial, and the center is opened for material to pass through, wherein the upper end of the first connecting flange 1 is connected with the upper end of the protective cover 6 by bolt, the lower end of the first connecting flange 1, the end of the second connecting flane 2 and the upper end of the third connecting flange 4 are connected by eight bolts of outer ring, as Figure 3 It is the cross section structure schematic view of the utility model, the rolling groove is formed in the inner ring of the first connecting flange 1 and the second connecting flane 2, the upper end outer ring of the vortex valve body 3 is installed in the rolling groove, and the vortex valve body 3 top opening is abutted with the bottom opening of the first connecting flange 1, and the material channel is communicated, a ball groove is formed in the upper end of the vortex valve body 3 and the lower end of the second connecting flane 2, i.e. in the rolling groove, and the rolling installation of the vortex valve body 3 is realized through the ball roller 5, eight ball rollers 5 are installed in each ball groove in the embodiment, the friction when the vortex valve body 3 rotates can be reduced by using the ball roller 5, so that it rotates smoothly and does not jam, the working noise when rotating is small, and the discharge valve state is stable when rotating.

[0026] In order to realize the rotation of the vortex valve body 3, a driving assembly can be installed in the protective cover 6, the driving assembly is fixed at the bottom of the third connecting flange 4, so that the driving assembly is connected with the lower end of the vortex valve body 3, and the vortex valve body 3 is driven to rotate by the driving assembly; when discharging is needed, the hard alloy powder enters the vortex valve body 3 through the first connecting flange 1, at this time, the driving assembly is opened, the rotation of the vortex valve body 3 is realized, the powder is in the vortex valve body 3 from the centrifugal motion, effectively reduces the abrasion with the inner wall of the vortex valve body 3, and is discharged through the lower end of the vortex valve body 3.

[0027] In the above embodiment, the vortex valve body 3 is funnel-shaped, and the lower end of the vortex valve body 3 is communicated with a spiral discharge pipe 8.

[0028] In the alternative, as Figure 3 The vortex valve body 3 is funnel-shaped, which is convenient for feeding and discharging, and the spiral discharge pipe 8 is communicated with the lower end discharge port of the vortex valve body 3, when the vortex valve body 3 rotates, the material is discharged through the spiral discharge pipe 8, the centrifugal force brought by the motor 7 is used to throw out the powder, so as to realize discharging, when the machine stops and discharging is not needed, the material will be blocked in the spiral discharge pipe 8 by using the viscosity of the hard alloy powder, so as to achieve the purpose of closing the discharge valve, and then the pipeline valve mechanism at the discharge valve is optimized.

[0029] In the alternative of the above embodiment, the driving assembly comprises a motor 7, a driving wheel, a belt and a driven wheel, the motor 7 is arranged on one side of the vortex valve body 3, the driving wheel is arranged on the motor 7, the driven wheel is arranged at the lower end of the vortex valve body 3, and the driving wheel and the driven wheel are connected through the belt.

[0030] In this alternative, a driving assembly is provided, which comprises a motor 7 fixed at the bottom of the third connecting flange 4, an output shaft of the motor 7 is provided with a driving wheel, a lower end of the vortex valve body 3 is provided with a driven wheel, and the driving wheel and the driven wheel are driven through a belt. By controlling the start and stop and the rotating speed of the motor 7, the rotation and the rotating speed of the vortex valve body 3 can be realized, which is suitable for multiple scenarios of discharging.

[0031] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A scroll centrifugal cemented carbide powder discharge valve, characterized by: The application relates to a vortex valve, which comprises a first connecting flange, a second connecting flange, a vortex valve body and a driving assembly. The lower end of the first connecting flange is connected with the upper end of the second connecting flange, and the inner sides of the mutual connection of the first connecting flange and the second connecting flange form a rolling groove; the upper end of the vortex valve body is located in the rolling groove; the upper end of the vortex valve body is rollingly connected with the upper end face and the lower end face of the rolling groove through a spherical roller; and the driving assembly is rotationally connected with the lower end of the vortex valve body.

2. A scroll centrifugal cemented carbide powder discharge valve according to claim 1, characterized in that: The vortex valve further comprises a protective cover, and the first connecting flange, the second connecting flange, the vortex valve body and the driving assembly are arranged in the protective cover.

3. A scroll centrifugal cemented carbide powder discharge valve according to claim 1, characterized in that: The vortex valve further comprises a third connecting flange, the upper end of the third connecting flange is connected with the lower end of the second connecting flange, and the driving assembly is arranged at the bottom of the third connecting flange.

4. A scroll centrifugal cemented carbide powder discharge valve according to claim 1, characterized in that: The vortex valve body is funnel-shaped.

5. A scroll centrifugal cemented carbide powder discharge valve according to claim 1, characterized in that: The driving assembly comprises a motor, a driving wheel, a belt and a driven wheel; the motor is arranged on one side of the vortex valve body; the driving wheel is arranged on the motor; the driven wheel is arranged at the lower end of the vortex valve body; and the driving wheel and the driven wheel are connected through the belt.

6. A scroll centrifugal cemented carbide powder discharge valve according to claim 1, characterized in that: A spiral discharging pipe is communicated with the lower end of the vortex valve body.

Images