Equipment butt joint floating interface

Abstract

The invention relates to an equipment butt joint floating connector which comprises a material opening flange, a core pipe inserted into the material opening flange and a locking ring for fixing the core pipe into the material opening flange, one end of the material opening flange is in butt joint with butt joint equipment, the other end of the material opening flange is fixedly connected with the locking ring, one end of the core pipe is in butt joint with the butt joint equipment, and the other end of the core pipe is fixedly connected with the locking ring. The other end of the core pipe is inserted into the material opening flange, the core pipe is located in the material opening flange, the diameter of the embedded section is smaller than that of an inner cavity of the material opening flange, a radial adjusting gap is formed between the embedded section and the inner cavity of the material opening flange, and a lubricating gasket making contact with the locking ring is arranged on a circular bead of the embedded section. The metal powder tank has the advantages that the butt-joint material port designed in a floating type split mode enables the butt-joint range of the metal powder tank and metal powder processing equipment to be within the deviation range, the butt-joint function and the buffering and energy storage function can be achieved, in addition, the lubricating gasket is additionally arranged at the friction position of the core pipe and the material port flange, the service life of the core pipe can be prolonged through the lubricating gasket, and the service life of the core pipe is prolonged. And the effect of preventing jamming can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of metal powder industry, and in particular to a floating interface for equipment docking. Background Art

[0002] Metal powder processing equipment and storage tanks need to be connected through the material port flange when adding or discharging materials. Due to the large size and weight of the metal powder processing equipment and the storage tanks themselves, they can only be connected through forklifts, lifting platforms, overhead cranes, etc., resulting in difficulties in connecting the material ports of the metal powder processing equipment and the need for repeated docking. In addition, the impact force at the material port is relatively large during the docking process, resulting in a short service life of the current rigidly connected material port flange. Summary of the invention

[0003] In view of the above problems, the purpose of the present invention is to provide a floating interface for equipment docking, which is used to achieve rapid docking between metal powder processing equipment and the material port of a storage tank, so as to overcome the shortcomings of the above-mentioned prior art.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A floating interface for equipment docking, comprising: a feed port flange, a core tube inserted into the feed port flange, and a locking ring fixing the core tube in the feed port flange, one end of the feed port flange is docked with metal powder processing equipment (pneumatic valve), the other end of the feed port flange is fixedly connected to the locking ring, one end of the core tube is docked with a discharge port of a metal powder tank (pneumatic valve), the other end of the core tube is inserted into the feed port flange and locked by a locking ring, the diameter of an embedded section of the core tube located inside the feed port flange is smaller than the diameter of an inner cavity of the feed port flange, a radial adjustment gap is provided between the embedded section and the inner cavity of the feed port flange, and a lubricating gasket in contact with the locking ring is mounted on the shoulder of the embedded section.

[0006] As a preferred embodiment of the present invention, the embedded section of the core tube located inside the material inlet flange also includes a buffer unit, and the buffer unit includes: at least one group of metal bead washers and soft washers, and the two end surfaces of the metal bead washers are provided with embedding grooves, and the soft washers are placed in the embedding grooves, and the soft washers are deformed after being subjected to force.

[0007] As a preferred embodiment of the present invention, a plurality of the metal pressure strip washers and the soft washers are alternately stacked in sequence, a first embedding groove is provided at the end of the embedding section that contacts the soft washers, and a second embedding groove is provided at the end of the material inlet flange cavity that contacts the soft washers.

[0008] As a preferred embodiment of the present invention, the embedded section of the core tube located inside the material inlet flange also includes a sealing unit, and the sealing unit includes: a first sealing wave groove arranged on the inner surface of the embedded groove of the metal pressure strip gasket, and the soft gasket fills the first sealing wave groove after being squeezed.

[0009] As a preferred embodiment of the present invention, a second sealing wave groove is arranged in the first embedded groove, and the second sealing wave groove is filled by the soft gasket after being squeezed; a third sealing wave groove is arranged in the second embedded groove, and the third sealing wave groove is filled by the soft gasket after being squeezed.

[0010] As a preferred embodiment of the present invention, the outer side edge of the embedding groove of the metal pressure strip gasket is provided with a guiding slope, the outer side edge of the first embedding groove is provided with a guiding slope, and the outer side edge of the second embedding groove is provided with a guiding slope, and the guiding slope is used to guide the soft gasket under compression deformation.

[0011] As a preferred embodiment of the present invention, the core tube includes: a tube body, an upper locking boss integrally formed with the tube body, and a lower locking boss integrally formed with the tube body, the upper locking boss is connected to the metal powder docking port in the docking equipment through an electric valve, the lower locking boss is placed in the inner cavity of the port flange as an embedded section, the locking ring limits the lower locking boss in the inner cavity of the port flange, and the shoulder of the lower locking boss contacts the locking ring through a lubricating gasket.

[0012] As a preferred embodiment of the present invention, the feed inlet flange includes: a flange tube body, a flange plate located at the lower end of the flange tube body, and a bolt locking end located at the upper end of the flange tube body. The feed inlet flange is connected to the metal powder docking feed in the docking equipment through the flange plate, and the bolt locking end of the feed inlet flange is fixedly connected to a locking ring by bolts, wherein the flange tube body and the flange plate are integrally connected, or the flange tube body and the flange plate are split-bolt connected.

[0013] As a preferred embodiment of the present invention, the material of the soft gasket is natural rubber, nitrile rubber, fluororubber, fluorosilicone rubber or silicone rubber.

[0014] As a preferred embodiment of the present invention, the lubricating gasket is made of polytetrafluoroethylene, copper, polyethylene, composite graphite or PE.

[0015] The advantages and positive effects of the present invention are:

[0016] 1. The present invention changes the docking material port into a floating split design, and a movable space is provided radially between the material port flange and the core tube, so that the metal powder material tank and the metal powder processing equipment can be docked as long as the docking range is within the deviation range. In addition, a lubricating gasket is added to the friction position between the core tube and the material port flange. The lubricating gasket can not only extend the service life of the core tube, but also play a sealing role.

[0017] 2. The present invention adds a buffer unit inside the material port flange to buffer the impact force between the material port flange and the core tube during the material port docking process. The buffer unit adopts metal pressure strip washers and soft washers that are alternately stacked in sequence. The soft washers deform and absorb energy during the impact process. After the docking is completed, the soft washers restore their shape and can also play a sealing role.

[0018] 3. The present invention adds a sealing unit inside the feed port flange. The sealing unit adopts a sealing wave groove opened on the inner surface of the embedding groove. The soft gasket fills the sealing wave groove after being squeezed to play a sealing role. Similarly, the bottom surface of the embedded section of the core tube and the end of the feed port flange cavity that contacts the soft gasket are also provided with a sealing wave groove, that is, both ends of the feed port flange cavity are sealed, thereby ensuring that the metal powder does not contact the external air.

[0019] 4. The present invention designs the feed inlet flange as a split structure, that is, the flange pipe body and the flange plate are connected by bolts, so that the feed inlet flange does not need to be cast as a whole, which has the advantage of convenient processing.

[0020] 5. The present invention adds guiding inclined surfaces to the outer side of the embedding groove of the metal pressure strip gasket, the first embedding groove and the second embedding groove, so that the soft gasket can deform in the guiding direction when deformed by pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of Example 1.

[0022] Figure 2 It is a longitudinal cross-sectional view of the overall structure of Example 1.

[0023] Figure 3 It is a side sectional view of Example 1.

[0024] Figure 4 yes Figure 3 Sectional view of part I.

[0025] Figure 5 It is a longitudinal cross-sectional view of the metal bead gasket of Example 1.

[0026] Figure 6 It is a schematic diagram of the overall structure of Example 2.

[0027] Figure 7 It is a longitudinal cross-sectional view of the overall structure of Example 2.

[0028] Figure 8 It is a cross-sectional view of the overall structure of Example 2.

[0029] Fig. 9 It is a schematic diagram of the structure of the metal pressure strip gasket of Example 2.

[0030] Figure numerals: material inlet flange 1, core tube 2, locking ring 3, embedded section 4, inner cavity 5, radial adjustment gap 6, shoulder 7, lubrication gasket 8, metal pressure strip gasket 9, soft gasket 10, embedded groove 11, first embedded groove 12, second embedded groove 13, first sealing wave groove 14, second sealing wave groove 15, third sealing wave groove 16, first guide bevel 17, second guide bevel 18, guide bevel 19, sealing groove 20. DETAILED DESCRIPTION

[0031] Example 1

[0032] See also Figure 1-5The present embodiment provides a floating interface for equipment docking, comprising: a feed inlet flange 1, a core tube 2 inserted into the feed inlet flange 1, and a locking ring 3 for fixing the core tube 2 in the feed inlet flange 1, one end of the feed inlet flange 1 is docked with the feed inlet of the metal powder processing equipment and is quickly fixed through a pneumatic valve, the other end of the feed inlet flange 1 is bolted to the locking ring 3, the locking ring 3 is used to fix the embedded section 4 of the core tube 2 in the inner cavity 5 of the feed inlet flange 1, one end of the core tube 2 is docked with the discharge port of the metal powder tank and is quickly fixed through a pneumatic valve, the other end of the core tube 2 is inserted into the inner cavity 5 of the feed inlet flange 1 and is locked by the locking ring 3, the diameter of the embedded section 4 of the core tube 2 located inside the feed inlet flange 1 is smaller than the diameter of the inner cavity 4 of the feed inlet flange 1, a radial adjustment gap 6 is provided between the embedded section 4 and the inner cavity 5 of the feed inlet flange 1, and a lubricating gasket 8 in contact with the locking ring 3 is mounted on the shoulder 7 of the embedded section 4. The embedded section 4 of the core tube 2 located inside the material port flange 1 also includes a buffer unit, which is used to offset the buffer force when the metal powder processing equipment and the metal powder tank are docked, and prevent the material port flange 1 and the core tube 2 from being damaged during the long-term docking process. The buffer unit includes: three metal bead washers 9 and four soft washers 10, and the metal bead washers 9 are provided with embedded grooves 11 on both sides. The soft washers 10 are placed in the embedded grooves 11. The soft washers 10 deform after being compressed, thereby offsetting the buffer force when the metal powder processing equipment and the metal powder tank are docked. The four soft washers 10 and the three metal bead washers 9 are alternately stacked in sequence to form a buffer unit, and the end of the embedded section 4 that contacts the uppermost soft washer 10 is provided with a first embedded groove 12, and the end of the inner cavity 5 of the material port flange 1 that contacts the lowermost soft washer 10 is provided with a second embedded groove 13. The embedded section 4 of the core tube 2 located inside the material port flange 1 also includes a sealing unit, which is used to prevent the metal powder in the material port from contacting the external air. The sealing unit includes: a first sealing wave groove 14 set on the inner surface of the embedded groove 11 of the metal pressure strip gasket 9. After the metal powder processing equipment is docked with the metal powder tank, the soft gasket 10 is squeezed to fill the first sealing wave groove 14. Similarly, a second sealing wave groove 15 is set in the first embedded groove 12, and the soft gasket 10 is squeezed to fill the second sealing wave groove 15. A third sealing wave groove 16 is set in the second embedded groove 13, and the soft gasket 10 is squeezed to fill the third sealing wave groove 16.

[0033] Furthermore, the core tube 2 in this embodiment includes: a tube body, an upper locking boss integrally formed with the tube body, and a lower locking boss integrally formed with the tube body. The upper locking boss is connected to the discharge port of the metal powder tank through an electric valve, and the lower locking boss is placed in the inner cavity 5 of the inlet flange 1 as an embedded section 4. The locking ring 3 limits the lower locking boss in the inner cavity 5 of the inlet flange 1, and the shoulder 7 of the lower locking boss contacts the locking ring 3 through the lubricating gasket 8. The inlet flange 1 includes: a flange tube body, a flange plate located at the lower end of the flange tube body, and a bolt locking end located at the upper end of the flange tube body. The flange tube body and the flange plate are cast as one piece. The inlet flange 1 is connected to the feed port of the metal powder processing equipment through the flange plate, and the bolt locking end of the inlet flange 1 is fixedly connected to the locking ring 3 by bolts.

[0034] Furthermore, the material of the soft gasket 10 in this embodiment is natural rubber, nitrile rubber, fluororubber, fluorosilicone rubber or silicone rubber. The material of the lubricating gasket 8 is polytetrafluoroethylene, copper, polyethylene, composite graphite or PE.

[0035] Working principle: first, the feed inlet flange 1 is quickly fixed to the feed inlet of the metal powder processing equipment through a pneumatic valve, and then the metal powder tank is transported by an overhead crane to the top of the feed inlet of the metal powder processing equipment, and finally, the upper locking boss of the core tube 2 and the discharge port of the metal powder tank are quickly fixed through a pneumatic valve. Among them, since the core tube 2 and the inner cavity 5 of the feed inlet flange 1 have a radial adjustment gap 6, the connection is convenient during the docking process, and the buffering force after docking is absorbed by the buffer unit, thereby extending the service life of the feed inlet flange 1 and the core tube 2. In addition, the feed inlet flange 1 and the core tube 2 after docking can ensure the sealing of the feed inlet flange 1 and the core tube 2 under the action of the sealing unit.

[0036] Example 2

[0037] See also Figure 6-9The present embodiment provides a floating interface for equipment docking, comprising: a feed inlet flange 1, a core tube 2 inserted into the feed inlet flange 1, and a locking ring 3 for fixing the core tube 2 in the feed inlet flange 1, one end of the feed inlet flange 1 is docked with the feed inlet of the metal powder processing equipment and is quickly fixed through a pneumatic valve, the other end of the feed inlet flange 1 is bolted to the locking ring 3, the locking ring 3 is used to fix the embedded section 4 of the core tube 2 in the inner cavity 5 of the feed inlet flange 1, one end of the core tube 2 is docked with the discharge port of the metal powder tank and is quickly fixed through a pneumatic valve, the other end of the core tube 2 is inserted into the inner cavity 5 of the feed inlet flange 1 and is locked by the locking ring 3, the diameter of the embedded section 4 of the core tube 2 located inside the feed inlet flange 1 is smaller than the diameter of the inner cavity 4 of the feed inlet flange 1, a radial adjustment gap 6 is provided between the embedded section 4 and the inner cavity 5 of the feed inlet flange 1, and a lubricating gasket 8 in contact with the locking ring 3 is mounted on the shoulder 7 of the embedded section 4. The embedded section 4 of the core tube 2 located inside the material port flange 1 also includes a buffer unit, which is used to offset the buffer force when the metal powder processing equipment and the metal powder tank are docked, and prevent the material port flange 1 and the core tube 2 from being damaged during the long-term docking process. The buffer unit includes: a metal bead washer 9 and two soft washers 10, and the metal bead washer 9 is provided with embedded grooves 11 on both sides, and the soft washers 10 are placed in the embedded grooves 11. The soft washers 10 deform after being compressed, thereby offsetting the buffer force when the metal powder processing equipment and the metal powder tank are docked. Two soft washers 10 and a metal bead washer 9 are superimposed to form a buffer unit, and the end of the embedded section 4 that contacts the uppermost soft washer 10 is provided with a first embedded groove 12, and the end of the inner cavity 5 of the material port flange 1 that contacts the lowermost soft washer 10 is provided with a second embedded groove 13. The embedded section 4 of the core tube 2 located inside the material port flange 1 also includes a sealing unit, which is used to prevent the metal powder in the material port from contacting the external air. The sealing unit includes: a first sealing wave groove 14 set on the inner surface of the embedded groove 11 of the metal pressure strip gasket 9. After the metal powder processing equipment is docked with the metal powder tank, the soft gasket 10 is squeezed to fill the first sealing wave groove 14. Similarly, a second sealing wave groove 15 is set in the first embedded groove 12, and the soft gasket 10 is squeezed to fill the second sealing wave groove 15. A third sealing wave groove 16 is set in the second embedded groove 13, and the soft gasket 10 is squeezed to fill the third sealing wave groove 16.

[0038] Furthermore, the core tube 2 in the present embodiment includes: a tube body, an upper locking boss integrally formed with the tube body, and a lower locking boss integrally formed with the tube body. The upper locking boss is connected to the discharge port of the metal powder tank through an electric valve, and the lower locking boss is placed in the inner cavity 5 of the inlet flange 1 as an embedded section 4. The locking ring 3 limits the lower locking boss in the inner cavity 5 of the inlet flange 1, and the shoulder 7 of the lower locking boss contacts the locking ring 3 through the lubricating gasket 8. The inlet flange 1 includes: a flange tube body, a flange plate bolted to the flange tube body, and a bolt locking end located at the upper end of the flange tube body. The inlet flange 1 is connected to the feed port of the metal powder processing equipment through the flange plate, and the bolt locking end of the inlet flange 1 is fixedly connected to the locking ring 3 by bolts. Compared with integral casting, the flange tube body and the flange plate are connected by split bolts, which is more convenient to process and has lower cost. In addition, due to process requirements, in order to prevent interference and facilitate the bolt connection of the flange plate, the flange tube body is arranged to type.

[0039] Furthermore, the present embodiment also includes a guiding unit for the soft gasket 10 after being compressed, and the guiding unit includes: a first guiding bevel 17 is provided on the outer side edge of the embedding groove 11 of the metal pressure strip gasket 9, a second guiding bevel 18 is provided on the outer side edge of the first embedding groove 12, and a guiding bevel 19 is provided on the outer side edge of the second embedding groove 13. The three guiding bevels are used for guiding the soft gasket to be compressed and deformed.

[0040] Furthermore, a sealing groove 20 is also provided on the upper edge of the core tube 2 in this embodiment.

[0041] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A floating interface for connecting a device, characterized in that: include: A feed port flange, a core tube inserted into the feed port flange, and a locking ring fixing the core tube in the feed port flange, one end of the feed port flange is docked with a docking device, the other end of the feed port flange is fixedly connected to the locking ring, one end of the core tube is docked with the docking device, the other end of the core tube is inserted into the feed port flange and locked by the locking ring, the diameter of the embedded section of the core tube located inside the feed port flange is smaller than the diameter of the inner cavity of the feed port flange, a radial adjustment gap is set between the embedded section and the inner cavity of the feed port flange, and a lubricating gasket in contact with the locking ring is mounted on the shoulder of the embedded section.

2. A device docking floating interface according to claim 1, characterized in that: The embedded section of the core tube located inside the material inlet flange also includes a buffer unit, which includes: at least one group of metal bead washers and soft washers, and the two end faces of the metal bead washers are provided with embedded grooves, and the soft washers are placed in the embedded grooves. The soft washers are deformed after being subjected to force.

3. A device docking floating interface according to claim 2, characterized in that: The plurality of metal pressure strip washers and soft washers are alternately stacked in sequence, the end of the embedding section that contacts the soft washers is provided with a first embedding groove, and the end of the material inlet flange inner cavity that contacts the soft washers is provided with a second embedding groove.

4. The device docking floating interface according to claim 2, characterized in that: The embedded section of the core tube located inside the material inlet flange also includes a sealing unit, which includes: a first sealing wave groove arranged on the inner surface of the embedded groove of the metal pressure strip gasket, and the soft gasket fills the first sealing wave groove after being squeezed.

5. The device docking floating interface according to claim 3, characterized in that: A second sealing wave groove is arranged in the first embedded groove, and the second sealing wave groove is filled by the soft gasket after being squeezed; a third sealing wave groove is arranged in the second embedded groove, and the third sealing wave groove is filled by the soft gasket after being squeezed.

6. The device docking floating interface according to claim 2, characterized in that: The outer side edge of the embedding groove of the metal pressure strip gasket is provided with a guiding slope, the outer side edge of the first embedding groove is provided with a guiding slope, and the outer side edge of the second embedding groove is provided with a guiding slope, and the guiding slope is used to guide the soft gasket under compression deformation.

7. The device docking floating interface according to claim 1, characterized in that: The core tube includes: a tube body, an upper locking boss integrally formed with the tube body, and a lower locking boss integrally formed with the tube body. The upper locking boss is connected to the metal powder docking port in the docking equipment through an electric valve, and the lower locking boss is placed in the inner cavity of the port flange as an embedded section. The locking ring limits the lower locking boss in the inner cavity of the port flange, and the shoulder of the lower locking boss contacts the locking ring through a lubricating gasket.

8. The device docking floating interface according to claim 1, characterized in that: The feed inlet flange includes: a flange body, a flange plate located at the lower end of the flange body, and a bolt locking end located at the upper end of the flange body. The feed inlet flange is connected to the metal powder docking feed in the docking equipment through the flange plate, and the bolt locking end of the feed inlet flange is fixedly connected to a locking ring through bolts, wherein the flange body and the flange plate are integrally connected, or the flange body and the flange plate are split-bolt connected.

9. The device docking floating interface according to claim 1, characterized in that: The material of the soft gasket is natural rubber, nitrile rubber, fluororubber, fluorosilicone rubber or silicone rubber.

10. The device docking floating interface according to claim 1, characterized in that: The lubricating gasket is made of polytetrafluoroethylene, copper, polyethylene, composite graphite or PE.

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