Reversing valve for feeding and conveying powder

Abstract

The utility model provides a reversing valve for feeding and conveying powder. The reversing valve comprises a box body, a sliding plate, a telescopic structure and a flexible pipeline. The box body is provided with a containing cavity, one end of the box body is provided with a feeding port, and the other end of the box body is provided with two discharging ports. The sliding plate is arranged in the containing cavity in a sliding mode in the interval direction of the two discharging ports and provided with via holes corresponding to the two discharging ports respectively. The telescopic structure is fixedly arranged on the box body and can drive the sliding plate. The flexible pipeline is located in the containing cavity, one end is communicated with the feeding port, and the other end is communicated with the via hole. According to the reversing valve for powder feeding and conveying, the feeding port is connected with the via hole through the flexible pipeline, the flexible pipeline can adapt to movement of the sliding plate, meanwhile, powder can be prevented from being accumulated in the containing cavity through the design of the flexible pipeline, blockage of the powder can be avoided, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reversing valve, concretely relates to a reversing valve of powder material feeding and conveying. BACKGROUND

[0002] In many industries such as petroleum, chemical industry, medicine, grain, food, electric power, building material, metallurgy and mine, powder material conveying is usually involved, and single-line flow conveying to bidirectional flow is also involved, so reversing valve is needed to change the flow direction of powder material.

[0003] In the prior art, the dividing device for conveying single-line flow to bidirectional flow usually has a material conveying cavity, and the material conveying cavity is communicated with one inlet and two outlets. A reversible cover plate is arranged at each of the two outlets, or a reversible cover plate is arranged between the two outlets, and the cover plate is reversibly turned to correspond to the two outlets. The cover plate is turned under the driving of a driver to open and close the outlet. However, in the process of use, the powder material is conveyed, and the structure causes the powder material to be accumulated and blocked in the material conveying cavity. The turning process of the cover plate occupies a large space, and the powder material is accumulated and blocked, which makes it difficult for the cover plate to turn, and it is not convenient to accurately convey the powder material, so the dividing effect is poor, and the practicability is poor. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a kind of reversing valve of powder material feeding and conveying, to solve the poor practicability problem of the existing dividing device due to powder material easy to be blocked in material conveying cavity.

[0005] To achieve the above object, the technical scheme adopted by the utility model is: a kind of reversing valve of powder material feeding and conveying is provided, comprising:

[0006] Box body has accommodating cavity, the one end of the box body is equipped with inlet, and the other end is equipped with two outlets;

[0007] Sliding plate is slidably arranged in the accommodating cavity along the interval direction of the two outlets, and has through hole corresponding to the two outlets respectively;

[0008] Flexible structure is fixed on the box body and used to drive the sliding plate;

[0009] Flexible pipeline is located in the accommodating cavity, and one end is communicated with the inlet, and the other end is communicated with the through hole.

[0010] In a possible implementation manner, the sliding plate is provided with a first fixing ring for connecting the flexible pipeline and coaxially arranged with the through hole.

[0011] In a possible implementation manner, the sliding plate is a rectangular plate.

[0012] In a possible implementation, the box comprises:

[0013] a shell having a through cavity with two open ends;

[0014] a top plate arranged at one end of the shell; the feeding port is arranged on the top plate;

[0015] a bottom plate arranged at the other end of the shell and parallel to the top plate, the bottom plate, the shell and the top plate form the accommodating cavity; two discharging ports are arranged on the bottom plate; the bottom plate is provided with a sliding space for limiting sliding of the sliding plate.

[0016] In a possible implementation, the distance between the two discharging ports is greater than the diameter of the through hole.

[0017] In a possible implementation, the top plate is provided with a second fixing ring at one end facing the accommodating cavity, for connecting the flexible pipeline and arranged coaxially with the feeding port.

[0018] In a possible implementation, the bottom plate comprises:

[0019] a flat plate connected with the shell, the flat plate is provided with a sliding groove for sliding of the sliding plate; the two discharging ports are located at the bottom surface of the sliding groove;

[0020] limiting strips, two limiting strips are arranged along the length direction of the sliding groove and located at two sides of the sliding groove along the width direction of the sliding groove, and connected with the flat plate; each limiting strip has a limiting part extending towards the sliding groove and in sliding contact with the other plate surface of the sliding plate; the limiting strip and the flat plate form the sliding space.

[0021] In a possible implementation, the flexible pipeline is provided with a vibrator.

[0022] In the present implementation, the sliding plate driven by the telescopic structure can make the through hole communicate with the two discharging ports respectively, so as to ensure the distribution effect and avoid occupying a large space during movement of the sliding plate, and ensure the stability of the distribution. The feeding port is connected with the through hole through the flexible pipeline, the flexible pipeline can adapt to the movement of the sliding plate, and the design of the flexible pipeline can also avoid accumulation of the powder in the accommodating cavity, thereby avoiding blockage of the powder. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Structure diagram of the reversing valve for powder feeding and conveying provided by the present embodiment Figure 1 ;

[0024] Figure 2 The structure diagram of the reversing valve for powder feeding and conveying provided by the embodiment of the present utility model Figure 2 (hide shell);

[0025] Figure 3 The cross-sectional view of the reversing valve for powder feeding and conveying provided by the embodiment of the present utility model.

[0026] Mark explanation:

[0027] 10, box; 11, shell; 12, top plate; 121, second fixed ring; 122, feed inlet; 13, bottom plate; 131, flat plate; 132, limiting strip; 133, sliding space; 134, discharge port; 14, accommodating cavity;

[0028] 20, sliding plate; 21, first fixed ring;

[0029] 30, telescopic structure;

[0030] 40, flexible pipeline;

[0031] 50, vibrator. Specific implementation

[0032] In order to make the technical problems, technical schemes and beneficial effects to be solved by the present utility model more clear and obvious, the present utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model.

[0033] Please refer to Figure 1 and Figure 2 , the reversing valve for powder feeding and conveying provided by the present utility model will be described. The reversing valve for powder feeding and conveying includes a box 10, a sliding plate 20, a telescopic structure 30 and a flexible pipeline 40. The box 10 has an accommodating cavity 14, one end of the box 10 is provided with a feed inlet 122, and the other end is provided with two discharge ports 134. The sliding plate 20 is slidingly arranged in the accommodating cavity 14 along the interval direction of the two discharge ports 134, and has through holes corresponding to the two discharge ports 134 respectively. The telescopic structure 30 is fixedly arranged on the box 10 and can drive the sliding plate 20. The flexible pipeline 40 is located in the accommodating cavity 14, one end of which is in communication with the feed inlet 122, and the other end is in communication with the through hole.

[0034] Compared with the prior art, the slide plate 20 provided in the embodiment can be driven by the telescopic structure 30 to make the through hole respectively communicate with the two discharge ports 134, so as to ensure the distribution effect and avoid occupying a large space during the movement of the slide plate 20, thereby ensuring the stability of the distribution. The inlet port 122 is connected with the through hole through the flexible pipeline 40, the flexible pipeline 40 can adapt to the movement of the slide plate 20, and the design of the flexible pipeline 40 can also avoid the accumulation of the powder in the accommodation cavity 14, thereby avoiding the blockage of the powder.

[0035] In the embodiment, the telescopic structure 30 can be a pneumatic cylinder or an electric push rod, or other driving devices capable of achieving linear movement of the slide plate 20.

[0036] In addition, the powder feeding and conveying reversing valve provided in the embodiment can also be applied to a negative pressure material conveying system.

[0037] In some embodiments, the slide plate 20 can adopt the structure as shown in Figure 3 . Referring to Figure 3 , the slide plate 20 is provided with a first fixing ring 21 coaxially arranged with the through hole and connected with the flexible pipeline 40, the first fixing ring 21 can ensure the connection of the flexible pipeline 40 and can ensure the stable connection of the flexible pipeline 40 and the slide plate 20.

[0038] In the embodiment, one end of the flexible pipeline 40 can be sleeved on the first fixing ring 21 and locked by a clamp.

[0039] In some embodiments, the slide plate 20 can adopt the structure as shown in Figure 2 . Referring to Figure 2 , the slide plate 20 is a rectangular plate, which has a simple structure and is easy to manufacture.

[0040] One end of the rectangular plate can be provided with a connecting portion connected with the telescopic end of the telescopic structure 30.

[0041] In some embodiments, the box body 10 can adopt the structure as shown in Figures 1 to 2 . Referring to Figures 1 to 2 , the box body 10 includes an outer shell 11, a top plate 12 and a bottom plate 13. The outer shell 11 has a through cavity with two open ends. The top plate 12 is arranged at one end of the outer shell 11. The inlet port 122 is arranged on the top plate 12. The bottom plate 13 is arranged at the other end of the outer shell 11 and is parallel to the top plate 12. The bottom plate 13, the outer shell 11 and the top plate 12 form an accommodation cavity 14. The two discharge ports 134 are arranged on the bottom plate 13. The bottom plate 13 is provided with a sliding space 133 for limiting the sliding of the slide plate 20.

[0042] The shell 11 can ensure the fixed installation of the top plate 12 and the bottom plate 13, and can also provide a protective cover to avoid external dust and the like from entering the accommodating cavity 14 to pollute the powder. The top plate 12 can be connected with the feeding pipeline, and the bottom plate 13 can ensure the sliding connection of the sliding plate 20 and can also ensure the connection with the receiving pipeline.

[0043] In the embodiment, the shell 11, the top plate 12 and the bottom plate 13 can be a bolted structure. In addition, the shell 11, the top plate 12 and the top plate 12 combination can be a cuboid shape structure. The top plate 12 and the bottom plate 13 can be through the cavity inside, which can be seen from Figures 1 to 3 .

[0044] In some embodiments, the bottom plate 13 described above can adopt the structure as shown in Figure 3 . Referring to Figure 3 , the distance between the two discharge ports 134 is greater than the diameter of the through hole.

[0045] The distance between the two discharge ports 134 is the distance between the two discharge ports 134 relative to the outer edge. This structure can ensure independent material separation and avoid the through hole corresponding to the two discharge ports 134 at the same time.

[0046] In some embodiments, the top plate 12 described above can adopt the structure as shown in Figure 3 . Referring to Figure 3 , one end of the top plate 12 towards the accommodating cavity 14 is provided with a second fixing ring 121 for connecting the flexible pipeline 40 and coaxially arranged with the feeding port 122. The second fixing ring 121 can ensure the connection of the flexible pipeline 40 and can ensure the stable connection of the flexible pipeline 40 and the top plate 12.

[0047] In the embodiment, one end of the flexible pipeline 40 can be sleeved on the second fixing ring 121, and can be locked by a hoop.

[0048] In the embodiment, the feeding port 122 is also a circular hole.

[0049] In some embodiments, the bottom plate 13 described above can adopt the structure as shown in Figures 2 to 3 . Referring to Figures 2 to 3 , the bottom plate 13 includes a flat plate 131 and a limiting strip 132. The flat plate 131 is connected with the shell 11, and the flat plate 131 is provided with a sliding groove for sliding of the sliding plate 20. The two discharge ports 134 are located on the bottom surface of the sliding groove. The limiting strip 132 is provided with two, and the two limiting strips 132 are arranged along the length direction of the sliding groove and are respectively located on both sides of the sliding groove along the width direction of the sliding groove and are connected with the flat plate 131. Each limiting strip 132 has a limiting portion extending towards the sliding groove and in sliding contact with the other plate surface of the sliding plate 20. The limiting strip 132 and the flat plate 131 form a sliding space 133.

[0050] The sliding groove is formed on the flat plate 131, and the cross section of the flat plate 131 is formed as a "N" shaped structure. The sliding groove can directly pass through the two ends of the bottom plate 13. The limiting strip 132 is connected to the flat plate 131, and the four degrees of freedom of the sliding plate 20 are limited, so that the sliding plate 20 can only move in the length direction of the sliding groove, thereby ensuring the stable movement of the sliding plate 20. In addition, the structure of the bottom plate 13 is simple and convenient to manufacture. The limiting strip 132 can be a rectangular plate, and can be bolted to the bottom plate 13.

[0051] In some embodiments, the flexible pipeline 40 can adopt the structure as shown in Figure 2 Referring to Figure 2 , the vibrator 50 is arranged on the flexible pipeline 40, and the vibrator 50 is mounted on the outer wall of the flexible pipeline 40. The fixing mode can be binding. The vibrator 50 can vibrate after being powered on. The flexibility of the flexible pipeline 40 makes the vibration effect more obvious, so that the flexible pipeline 40 is in a vibrating state, and the powder in the flexible pipeline 40 can be prevented from being accumulated or blocked. The vibrator 50 can adopt the prior art, which is well known to those skilled in the art, and the specific structure is not described here.

[0052] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A diverter valve for powder feed delivery, characterised in that, The utility model relates to a kind of flexible pipe feeding device, including: Box, with containing cavity, one end of the box is equipped with feed inlet, the other end is equipped with two discharge outlets; Slide plate, along the interval direction of two discharge outlets, slidingly arranged in the containing cavity, with the through hole corresponding to two discharge outlets respectively; Telescopic structure, fixedly arranged on the box, for driving the slide plate; Flexible pipeline, located in the containing cavity, one end is communicated with the feed inlet, the other end is communicated with the through hole.

2. A diverter valve for powder feeding and conveying as claimed in claim 1, wherein, First fixing ring is arranged on the slide plate, and the flexible pipeline is connected with the through hole coaxially.

3. The diverter valve for powder feeding and conveying according to claim 1, wherein The slide plate is rectangular plate.

4. A powder feeding and conveying diverter valve according to any one of claims 1 to 3, wherein The box includes: Shell, with through cavity with two ends being open; Top plate, arranged at one end of the shell;The feed inlet is arranged on the top plate; Bottom plate, arranged at the other end of the shell, and parallel to the top plate, the bottom plate, the shell and the top plate form the containing cavity;Two discharge outlets are arranged on the bottom plate;The bottom plate is provided with sliding space for limiting the slide plate sliding.

5. A powder feed delivery diverter valve as claimed in claim 4, wherein, The distance of two discharge outlets is greater than the diameter of the through hole.

6. The powder feed delivery diverter valve of claim 4, wherein, The top plate is provided with second fixing ring for connecting the flexible pipeline and coaxially arranged with the feed inlet at one end of the containing cavity.

7. The powder feeding and conveying diverter valve of claim 4, wherein, The bottom plate includes: Flat plate, connected with the shell, the flat plate is provided with sliding slot for the slide plate sliding;Two discharge outlets are located at the bottom surface of the sliding slot; Limiting strip, two limiting strips are provided, two limiting strips are arranged along the length direction of the sliding slot, and are respectively located at both sides of the sliding slot along the width direction of the sliding slot, and are connected with the flat plate;Each limiting strip has limiting portion extending to the direction of the sliding slot and sliding contact with the other plate surface of the slide plate;The limiting strip and the flat plate form the sliding space.

8. The diverter valve for powder feeding and conveying as claimed in claim 1, wherein The flexible pipeline is provided with vibrator.

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