Connecting assembly for feeding port of rocking sieve

Abstract

The utility model discloses a swing screen feed port connecting assembly which comprises a feed opening, a first flange connected with the feed opening, a first connecting ring connected to the lower portion of the first flange, a second connecting ring arranged below the first connecting ring and in sliding contact with the first connecting ring, and a second flange connected with the second connecting ring. The blanking port is arranged above a feeding port of the swinging screen, the second flange is connected with the feeding port of the swinging screen, the blanking port is tubular and extends into a hole of the first flange, the blanking port is in sealed connection with the first flange through soft connection, and the blanking port is fixed. The swing screen feed port connecting assembly replaces a flexible connection mode which is prone to damage and alkali leakage, working efficiency is improved, and the yield is increased.

Description

Technical Field

[0001] The utility model relates to the field of soda ash production, in particular to a square swing screen feed inlet connection component. Background Art

[0002] Sodium carbonate is an inorganic compound with the molecular formula Na2CO3 and a molecular weight of 105.99. It is also called soda ash. It is an important inorganic chemical raw material, mainly used in the production of flat glass, glass products and ceramic glaze. It is also widely used in daily washing, acid neutralization and food processing.

[0003] The oscillating screen is the main equipment used in the particle screening process in the production of soda ash (sodium carbonate). Its function is to use the three-layer structure of the oscillating screen to screen out large-particle soda ash, finished soda ash, and fine powder soda ash.

[0004] The existing connection method of the swing screen is to use a cloth bag soft connection to directly connect the feed port to the interface on the swing screen and tighten it with a steel wire. This causes the cloth bag soft connection to be easily damaged and the interface to be easily blocked, causing the soda ash product to leak and the defective rate to be high, ultimately affecting product quality and reducing production efficiency. Utility Model Content

[0005] The utility model aims to provide a swing screen feed port connection assembly, which overcomes the defects of the prior art and solves the problems that the bag soft connection is easy to be damaged and the interface is easy to be blocked.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A rocking screen feed port connection assembly includes a feed port, a first flange connected to the feed port, a first connecting ring connected to the bottom of the first flange, a second connecting ring arranged below the first connecting ring and in sliding contact with the first connecting ring, and a second flange connected to the second connecting ring. The feed port is arranged above the feed interface of the rocking screen, the second flange is connected to the feed interface of the rocking screen, the feed port is tubular and extends into the hole of the first flange, the feed port and the first flange are closed and connected via a soft connection, and the feed port is fixed.

[0008] Furthermore, the contact surface between the first connecting ring and the second connecting ring is a pressure-bearing contact surface so as to prevent misalignment between the first connecting ring and the second connecting ring.

[0009] Furthermore, the first flange includes an upper cylindrical section surrounding the discharge port and a lower annular section connected to the upper cylindrical section, the lower annular section being a flange extending from the end of the upper cylindrical section, the upper cylindrical section is preferably integrally formed with the lower annular section, the lower annular section is provided with a plurality of bolt holes distributed circumferentially, for example, 6-12 fixing holes, the plurality of fixing holes may be evenly distributed along the circumference, the inner diameter of the upper cylindrical section is larger than the outer diameter of the discharge port, for example, 0.5-5 cm larger, the length of the upper cylindrical section may be, for example, 5-15 cm, preferably 8-12 cm, the length of the overlap between the upper cylindrical section and the discharge port may be, for example, 2 / 3-4 / 5 of the height of the upper cylindrical section.

[0010] Furthermore, the first connecting ring is a circular ring structure, the top surface of the first connecting ring is connected to the bottom surface of the lower circular ring segment of the first flange, the first connecting ring is coaxial with the first flange, and the first connecting ring is provided with a plurality of bolt holes corresponding to the bolt holes on the first flange. The bolt holes on the first connecting ring can be, for example, countersunk holes, and the material of the first connecting ring can be a polymer material, such as polyethylene, polypropylene, polyvinyl chloride, etc.

[0011] Furthermore, the first flange is fixedly connected to the first connecting ring by bolts and nuts.

[0012] Further, the second flange includes a lower cylindrical section connected to the swing screen body and an upper annular section connected to the lower cylindrical section, the upper annular section is a flange extending from the end of the lower cylindrical section, the lower cylindrical section is preferably integrally formed with the upper annular section, the upper annular section is provided with a plurality of bolt holes distributed circumferentially, for example, 6-12 fixing holes, the plurality of fixing holes can be evenly distributed circumferentially, the length of the lower cylindrical section can be, for example, 5-15cm, preferably 8-12cm. The discharge port is connected to the precursor device and is fixed. The first connecting ring is sleeved on the discharge port, and the discharge port limits the first connecting ring to swing within a certain range, the first connecting ring is not fixed to the second connecting ring, the second connecting ring is fixed to the upper annular section and the lower cylindrical section (slide), and the upper annular section and the lower cylindrical section (slide) are fixed relative to the swing screen.

[0013] Furthermore, the second connecting ring is a circular ring structure, the bottom surface of the second connecting ring is connected to the top surface of the upper circular ring segment of the second flange, the second connecting ring is coaxial with the second flange, and the second connecting ring is provided with a plurality of bolt holes corresponding to the bolt holes on the second flange. The bolt holes on the second connecting ring can be, for example, countersunk holes, and the material of the second annular structure can be a polymer material, such as polyethylene, polypropylene, polyvinyl chloride, etc.

[0014] Furthermore, the upper circular ring segment and the second connecting ring are fixedly connected by bolts and nuts.

[0015] Furthermore, the bottom surface of the first connecting ring is connected to the top surface of the second connecting ring in sliding contact, and the second connecting ring swinging with the swinging screen drives the first connecting ring to swing through friction.

[0016] The inner diameter of the first flange, the inner diameter of the first connecting ring, the inner diameter of the second connecting ring and the inner diameter of the second flange increase in sequence, and the difference between adjacent ones may be, for example, 4-8 mm.

[0017] Furthermore, the flexible connection is a cloth bag with openings at both ends, the top opening of the flexible connection is connected to the outer wall of the discharge port, the bottom opening of the flexible connection is connected to the upper cylindrical section, and the flexible connection is connected to the discharge port and the upper cylindrical section, for example, by bundling.

[0018] The working principle of the utility model is as follows:

[0019] First, soda ash raw materials are poured into the swing screen from the discharge port, and the raw materials enter the swing screen through the first flange, the first connecting ring, the second connecting ring, and the second flange in turn. The swing screen swings to screen the materials, and the second flange and the second connecting ring swing with the swing screen. The second connecting ring drives the first connecting ring to swing through friction, and the discharge port is fixed to limit the first flange and the first connecting ring to swing periodically within a certain range, which solves the problems of easy breakage of the soft connection of the bag and easy blockage of the interface, improves product quality and increases production efficiency.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model provides a rocking screen feed port connecting assembly, wherein a first connecting ring is connected to a first flange, and a connecting ring is connected to a second flange. The second connecting ring connected to the rocking screen body drives the freely moving first connecting ring through mutual friction, and the freely moving first connecting ring is restricted by a fixed discharge port to swing periodically within a certain range, thereby overcoming the problem of easy breakage of the soft connection of the cloth bag, making it easier for the raw materials to pass through the interface without risk, and also reducing the distance and vibration of the rocking screen interface connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the front view of the overall structure of the utility model.

[0023] Figure 2 It is a top view of the first annular structure or the second annular structure of the utility model.

[0024] Figure 3 It is a schematic diagram of the structure of the first flange or the second flange.

[0025] Reference numerals:

[0026] 1-flexible connection, 2-feeding port, 3-first flange, 31-upper cylindrical section, 32-lower circular ring section, 4-first connecting ring, 5-second flange, 51-lower cylindrical section, 52-upper circular ring section, 6-second connecting ring, 7-bolt, 8-nut. DETAILED DESCRIPTION

[0027] The present invention is further explained below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the following specific implementation methods are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the utility model by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0028] In the description of the present invention, it should be understood that the terms "first", "second", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] like Figure 1-3 As shown, a feed port connection assembly of a rocking screen of the utility model includes a feed port 2, a first flange 3 connected to the feed port 2, a first connection ring 4 connected below the first flange 3, a second connection ring 6 arranged below the first connection ring 4 and in sliding contact with the first connection ring 4, and a second flange 5 connected to the second connection ring 6. The feed port 2 is arranged above the feed interface of the rocking screen, and the second flange 5 is connected to the feed interface of the rocking screen. The feed port 2 is tubular and extends into the hole of the first flange 3. The feed port 2 and the first flange 3 are closed and connected via a soft connection 1, wherein the feed port 2 is fixed. The contact surface between the first connection ring and the second connection ring is a pressure-bearing contact surface to prevent the first connection ring and the second connection ring from being misaligned.

[0030] The first flange 3 includes an upper cylindrical section 31 surrounding the discharge port 2 and a lower annular section 32 connected to the upper cylindrical section 31, the lower annular section 32 is a flange extending from the end of the upper cylindrical section 31, the upper cylindrical section 31 is preferably integrally formed with the lower annular section 32, the lower annular section 32 is provided with a plurality of bolt holes distributed circumferentially, for example, 6-12 fixing holes, and the plurality of fixing holes can be evenly distributed along the circumference, the inner diameter of the upper cylindrical section 31 is larger than the outer diameter of the discharge port, for example, 0.5-5 cm larger, the length of the upper cylindrical section 31 can be, for example, 5-15 cm, preferably 8-12 cm, the length of the upper cylindrical section 31 overlapping with the discharge port 2 can be, for example, 2 / 3-4 / 5 of the height of the upper cylindrical section 31.

[0031] The first connecting ring 4 is a circular ring structure. The top surface of the first connecting ring 4 is connected to the bottom surface of the lower circular ring segment 32 of the first flange 3. The first connecting ring 4 is coaxial with the first flange 3. The first connecting ring 4 is provided with a plurality of bolt holes corresponding to the bolt holes on the first flange. The bolt holes on the first connecting ring can be, for example, countersunk holes. The material of the first connecting ring 4 can be a polymer material, such as polyethylene, polypropylene, polyvinyl chloride, etc.

[0032] The first flange 3 is fixedly connected to the first connecting ring 4 by means of bolts 7 and nuts 8 .

[0033] The second flange 5 includes a lower cylindrical section 51 connected to the rocking screen body and an upper annular section 52 connected to the lower cylindrical section 51. The upper annular section 52 is a flange extending from the end of the lower cylindrical section 51. The lower cylindrical section 51 is preferably integrally formed with the upper annular section 52. The upper annular section 52 is provided with a plurality of circumferentially distributed bolt holes, for example, 6-12 fixing holes. The plurality of fixing holes may be evenly distributed along the circumference. The length of the lower cylindrical section 51 may be, for example, 5-15 cm, preferably 8-12 cm.

[0034] The discharge port 2 is connected to the precursor device, the first connecting ring 4 is sleeved on the discharge port 2, the discharge port 2 limits the first connecting ring 4 to swing within a certain range, there is no fixation between the first connecting ring 4 and the second connecting ring 6, the second connecting ring 6 is fixed on the upper circular ring segment 52 and the lower cylindrical segment 51 (chute), and the upper circular ring segment 52 and the lower cylindrical segment 51 (chute) are fixed relative to the swing screen.

[0035] The second connecting ring 6 is a circular ring structure. The bottom surface of the second connecting ring 6 is connected to the top surface of the upper circular ring segment 52 of the second flange 5. The second connecting ring 6 is coaxial with the second flange 5. The second connecting ring 6 is provided with a plurality of bolt holes corresponding to the bolt holes on the second flange. The bolt holes on the second connecting ring 6 can be, for example, countersunk holes. The material of the second annular structure 6 can be a polymer material, such as polyethylene, polypropylene, polyvinyl chloride, etc.

[0036] The upper circular ring segment 52 is fixedly connected to the second connecting ring 6 via bolts 7 and nuts 8 .

[0037] The bottom surface of the first connecting ring 4 is connected to the top surface of the second connecting ring 6 in sliding contact, and the second connecting ring 6 swinging with the swing screen drives the first connecting ring to swing through friction.

[0038] The inner diameters of the first flange 3 , the first connecting ring 4 , the second connecting ring 6 , and the second flange 5 increase in sequence, and the difference between adjacent ones may be, for example, 4-8 mm.

[0039] The flexible connection 1 is a cloth bag with openings at both ends. The top opening of the flexible connection 1 is connected to the outer wall of the discharge port 2, and the bottom opening of the flexible connection 1 is connected to the upper cylindrical section 31. The flexible connection is connected to the discharge port and the upper cylindrical section 31 by, for example, bundling.

[0040] The working principle of the utility model is as follows:

[0041] First, soda ash raw materials are poured into the swing screen from the discharge port 2, and the raw materials enter the swing screen interface through the first flange 3, the first connecting ring 4, the second connecting ring 6, and the second flange 5 in turn (the diameter of the second flange 5 is equal to or slightly smaller than the swing screen interface, and is fixed to the swing screen interface). The swing screen swings to screen the material, and the second flange 5 and the second connecting ring 6 swing with the swing screen. The second connecting ring 6 drives the first connecting ring 4 to swing through friction, and the discharge port 2 is fixed to limit the first flange 3 and the first connecting ring 4 to swing periodically within a certain range, which solves the problems of easy breakage of the soft connection of the bag and easy blockage of the interface, improves product quality, and increases production efficiency.

[0042] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present invention.

Claims

1. A swing screen feed port connection assembly, characterized in that: It comprises a feed opening (2), a first flange (3) connected to the feed opening (2), a first connecting ring (4) connected below the first flange (3), a second connecting ring (6) arranged below the first connecting ring (4) and in sliding contact with the first connecting ring (4), and a second flange (5) connected to the second connecting ring (6); the feed opening (2) is arranged above the feed inlet interface of the rocking screen, the second flange (5) is connected to the feed inlet interface of the rocking screen, the feed opening (2) is tubular and extends into the hole of the first flange (3), the feed opening (2) and the first flange (3) are closed and connected via a soft connection (1), wherein the feed opening (2) is fixed and does not move.

2. The swing screen feed port connection assembly according to claim 1, characterized in that: The first flange (3) comprises an upper cylindrical section (31) surrounding the feed opening (2) and a lower annular section (32) connected to the upper cylindrical section (31); the upper cylindrical section (31) and the lower annular section (32) are integrally formed; the lower annular section (32) is provided with a plurality of bolt holes distributed circumferentially; the inner diameter of the upper cylindrical section (31) is greater than the outer diameter of the feed opening.

3. The swing screen feed port connection assembly according to claim 2, characterized in that: The first connecting ring (4) is a circular ring structure. The top surface of the first connecting ring (4) is connected to the bottom surface of the lower circular ring section (32) of the first flange (3). The first connecting ring (4) is coaxial with the first flange (3). The first connecting ring (4) is provided with a plurality of bolt holes corresponding to the bolt holes on the first flange.

4. The swing screen feed port connection assembly according to claim 3, characterized in that: The lower circular ring segment (32) is fixedly connected to the first connecting ring (4) via bolts (7) and nuts (8).

5. The swing screen feed port connection assembly according to any one of claims 1 to 4, characterized in that: The second flange (5) comprises a lower cylindrical section (51) connected to the rocking screen body and an upper annular section (52) connected to the lower cylindrical section (51); the lower cylindrical section (51) and the upper annular section (52) are integrally formed; and the upper annular section (52) is provided with a plurality of bolt holes distributed circumferentially.

6. The swing screen feed port connection assembly according to claim 5, characterized in that: The second connecting ring (6) is a circular ring structure. The bottom surface of the second connecting ring (6) is connected to the top surface of the upper circular ring section (52) of the second flange (5). The second connecting ring (6) is coaxial with the second flange (5). The second connecting ring (6) is provided with a plurality of bolt holes corresponding to the bolt holes on the second flange.

7. The swing screen feed port connection assembly according to claim 6, characterized in that: The upper circular ring segment (52) and the second connecting ring (6) are fixedly connected via bolts (7) and nuts (8).

8. The swing screen feed port connection assembly according to claim 1, characterized in that: The bottom surface of the first connecting ring (4) is connected to the top surface of the second connecting ring (6) in sliding contact.

9. The swing screen feed port connection assembly according to claim 1, characterized in that: The inner diameter of the first flange (3), the inner diameter of the first connecting ring (4), the inner diameter of the second connecting ring (6) and the inner diameter of the second flange (5) increase in sequence.

10. The swing screen feed port connection assembly according to claim 1, characterized in that: The flexible connection (1) is a cloth bag with openings at both ends. The top opening of the flexible connection (1) is connected to the outer wall of the feed opening (2), and the bottom opening of the flexible connection (1) is connected to the upper cylindrical section (31). The flexible connection is tied to the feed opening and the upper cylindrical section (31).

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