VAS pipeline flexible connection device

Abstract

The utility model relates to the technical field of cigarette production equipment, in particular to a VAS pipeline flexible connection device which comprises a first frame, a second frame, a flexible sleeve and a fastening structure, the first frame and the second frame are fixedly connected to two VAS pipelines respectively, the flexible sleeve is connected to the first frame and the second frame in a sleeved mode, and the fastening structure is fixedly connected to the first frame and the second frame. The fastening structure is arranged on the soft sleeve, the first frame and the second frame and used for sealing and fastening the soft sleeve, the first frame and the second frame. The utility model aims to shorten the center distance between two pipelines, so that the integrity of a flexible connection material can be kept while the flexible connection material is used, and the subsequent replacement is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette production equipment, in particular to a VAS pipeline soft connection device. Background Art

[0002] The pipeline equipment of the fluidized bed impurity removal system in the silk-making workshop includes the pipeline equipment body, the threaded flange connected to the equipment body, and the pipeline connected to the equipment at the other end. The two pipelines are directly connected with a soft connection material, which is generally made of rubber, plastic, cloth, etc. After the soft connection has been running for a long time, due to the sharp stems in the dried leaf silk, under the action of negative pressure adsorption, it constantly hits the rubber in the middle of the soft connection. Over time, the sharp substance destroys the soft material like a steel needle, resulting in the breakage of the soft material, which in turn causes the material in the production process to fall to the ground easily. At the same time, it also affects the negative pressure strength and the amount of leaf silk adsorbed by negative pressure, which seriously affects the on-site environment and process quality. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a VAS pipe soft connection device, which shortens the center distance between the two pipes, helps to maintain the integrity of the soft connection material while using the soft connection material, and facilitates subsequent replacement.

[0004] The utility model solves the above technical problems through the following technical means:

[0005] A VAS pipe soft connection device comprises a first frame, a second frame, a soft sleeve and a fastening structure, wherein the first frame and the second frame are respectively fixedly connected to two VAS pipes, the soft sleeve is sleeved on the first frame and the second frame, and the fastening structure is arranged on the soft sleeve, the first frame and the second frame, and is used to seal and fasten the soft sleeve and the first frame and the second frame.

[0006] Based on the above solution, this application also makes the following improvements:

[0007] Furthermore, the first frame and the second frame have the same structure. The first frame includes a base and a connecting frame. The base and the connecting frame are fixedly connected. A plurality of first connecting holes are formed on the base, and a plurality of second connecting holes are formed on the connecting frame.

[0008] According to the above technical means, on the one hand, it is conducive to connection with the pipeline, and on the other hand, it is conducive to connection with the fastening structure.

[0009] Furthermore, the fastening structure includes a plurality of bolts and a plurality of pressing plates, wherein the plurality of pressing plates are respectively arranged around the outer side of the soft sleeve, and the plurality of bolts pass through the first frame, the second frame and the pressing plates, and a nut is screwed onto each of the bolts.

[0010] According to the above technical means, the soft sleeve can be fastened and sealed to the first frame and the second frame through the cooperation of the bolts, nuts and pressing sheets, which is simple and practical.

[0011] Furthermore, each of the pressing sheets is provided with a plurality of perforations.

[0012] Furthermore, each of the pressing sheets is provided with a plurality of U-shaped grooves.

[0013] According to the above technical means, the use of tablet pressing is facilitated by providing perforations or U-shaped grooves.

[0014] Furthermore, the fastening structure includes multiple bolts, multiple pressing plates and fasteners. The multiple pressing plates are respectively arranged around the outer side of the soft cover. The multiple bolts pass through the first frame, the second frame and the pressing plates. The fasteners are clamped on each bolt and pressed against the pressing plates.

[0015] According to the above technical means, it is more convenient to tighten multiple bolts at the same time by using fasteners, and when tightening, the pressing sheet can be pressed tightly to make the soft sleeve sealingly connected to the first frame and the second frame.

[0016] Furthermore, the fastener includes a clamping seat and a plurality of bayonet pins, one end of each of the bayonet pins is fixedly disposed on the clamping seat, one end of the clamping seat is wedge-shaped, a conical hole is provided on each of the bolts, and the position of each of the bayonet pins corresponds to the conical hole.

[0017] According to the above technical means, the bolt and the pressing plate are fastened by using the bayonet pin and the low tight seat, which is convenient and quick.

[0018] Furthermore, the fastening structure is configured as a steel wire rope, and the steel wire rope is respectively fastened to two ends of the connection between the first frame, the second frame and the soft sleeve.

[0019] According to the above technical means, the steel wire rope is used for fastening, which is simple and convenient.

[0020] The present application adopting the above scheme has the following beneficial effects:

[0021] 1. By setting the first frame and the second frame between the two VAS pipes, the center distance between the two pipes is shortened, and the soft sleeve is fastened and sealed to the first frame and the second frame with the fastening structure, which is conducive to maintaining the integrity of the soft connection material. After long-term use, replacement is also simple and convenient;

[0022] 2. By setting the fastening structure as bolts, nuts and pressing sheets, the soft sleeve can be fastened and sealed on the first frame and the second frame, and it is also convenient for subsequent replacement, which is highly practical;

[0023] 3. By setting the fastening structure as bolts, pressing sheets, bayonet pins and abutment seats, multiple bolts can be fastened at one time, which is convenient and quick, and the soft sleeve can also be fastened and sealed on the first frame and the second frame;

[0024] 4. By setting the fastening structure as a wire rope, it is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings;

[0026] Figure 1 Schematic diagram of the structure of the VAS pipeline flexible connection device in the embodiment of the present application when connected;

[0027] Figure 2 It is a structural diagram of the first frame in the embodiment of the present application;

[0028] Figure 3 is a schematic diagram of the structure of a fastener in an embodiment of the present application;

[0029] Description of main symbols and components:

[0030] 1. Pipe; 2. First frame; 21. Base; 22. First connecting hole; 23. Connecting frame; 24. Second connecting hole; 3. Second frame; 4. Soft sleeve; 5. Pressing sheet; 6. Bolt; 7. Tightening seat; 71. Pin. DETAILED DESCRIPTION

[0031] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are only for exemplary descriptions, and they are only schematic diagrams, not physical diagrams, and cannot be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts in the figures may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures in the figures and their descriptions may be omitted.

[0032] The same or similar numbers in the figures of the embodiments of the present invention correspond to the same or similar parts. In the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the figure. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the figures are only used for illustrative purposes and cannot be understood as limitations on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. In the description of this application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0033] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0034] like Figure 1-3 As shown, an embodiment of the present application discloses a VAS pipe soft connection device, including a first frame 2, a second frame 3, a soft sleeve 4 and a fastening structure. The first frame 2 and the second frame 3 are respectively fixedly connected to the two VAS pipes 1, and are used to shorten the center distance between the two VAS pipes 1 and reduce the use length of the soft sleeve 4. The soft sleeve 4 is sleeved on the first frame 2 and the second frame 3. By adopting the soft sleeve 4 for connection, the installation accuracy and installation requirements of the first frame 2 and the second frame 3 and the two VAS pipes 1 are reduced. The fastening structure is arranged on the soft sleeve 4, the first frame 2 and the second frame 3, and is used to seal and fasten the soft sleeve 4 and the first frame 2 and the second frame 3, which is convenient and practical, and is also convenient for replacement of the soft sleeve 4 after long-term use.

[0035] In this embodiment, if Figure 2 As shown, the first frame 2 and the second frame 3 have the same structure, which is convenient for processing. The first frame 2 is taken as an example for description as follows: the first frame 2 includes a base 21 and a connection frame 23. The base 21 and the connection frame 23 are fixedly connected by spot welding, and a plurality of first connection holes 22 are provided on the edge of the base 21 for connecting with the VAS pipe 1. A plurality of second connection holes 24 are provided on the connection frame 23 for matching with the fastening structure and the soft cover 4.

[0036] In this embodiment, the base 21 and the connection frame 23 are made of metal materials such as steel or magnesium-aluminum alloy, which are strong and durable. The spacing between the first frame 2 and the second frame 3 is 20-30 mm, which facilitates the connection of the soft cover 4 to the first frame 2 and the second frame 3.

[0037] In this embodiment, in order to enhance the sealing performance of the connection between the base 21 and the VAS pipe 1 , a sealing strip may be provided at the connection between the base 21 and the VAS pipe 1 .

[0038] In this embodiment, the soft cover 4 can be a rubber cover, elastic plastic, hanging curtain, etc., and a suitable flexible material can be selected according to actual conditions. The soft cover 4 has four surfaces corresponding to the connection frame 23, which is convenient for fastening the fastening structure.

[0039] In some embodiments, Figure 1 As shown, the fastening structure includes a plurality of bolts 6 and a plurality of pressing plates 5. The plurality of pressing plates 5 are respectively arranged around the outer side of the soft cover 4, and a plurality of through holes are opened on each pressing plate 5, and the positions of the through holes correspond to the positions of the second connecting holes 24, so that the plurality of bolts 6 pass through the second connecting holes 24 on the first frame 2 and the second frame 3 and the through holes on the pressing plates 5, and a nut is screwed on each bolt 6, and by rotating the nut, the nut is pressed against the pressing plate 5, and the two ends of the soft cover 4 are fastened and sealed on the first frame 2 and the second frame 3, which is simple and practical.

[0040] In this embodiment, the perforation on each pressing sheet 5 can also be configured as a U-shaped groove to reduce the accuracy requirement for alignment with the second connecting hole 24 .

[0041] In some embodiments, Figure 1 and Figure 3 As shown, the fastening structure includes a plurality of bolts 6, a plurality of pressing plates 5 and fasteners. The plurality of pressing plates 5 are respectively arranged around the outer side of the soft cover 4, and each pressing plate 5 is provided with a plurality of U-shaped grooves, each of which corresponds to the second connection hole 24. The plurality of bolts 6 pass through the second connection holes 24 on the first frame 2 and the second frame 3 and the U-shaped grooves on the pressing plates 5. The fasteners are clamped on each bolt 6 and pressed against the pressing plates 5 on each side of the soft cover 4, so as to simultaneously fasten the plurality of bolts 6, which is simpler and more convenient.

[0042] In this embodiment, four fasteners are provided, and the four fasteners are respectively pressed against the pressing piece 5 on each side of the soft cover 4. The four fasteners have the same structure, and one of them is taken as an example for description as follows: the fastener includes a pressing seat 7 and a plurality of bayonet pins 71. The number of bayonet pins 71 is the same as the number of bolts 6, and one end of the plurality of bayonet pins 71 is fixedly set on the pressing seat 7. One end of the pressing seat 7 is wedge-shaped, and each bolt 6 is provided with a conical hole, and each bayonet pin 71 corresponds to the position of the conical hole. When the bayonet pin 71 is inserted into the conical hole, the pressing seat 7 is pressed against the pressing piece 5. When the bayonet pin 71 tightens the bolt 6, the wedge-shaped pressing seat 7 tightens the pressing piece 5, so that the soft cover 4 is sealed and firmly installed on the first frame 2 and the second frame 3.

[0043] In this embodiment, the bayonet pin 71 is tapered, and one end of the bayonet pin 71 is fixedly connected to the inner side of the abutting seat 7 by spot welding.

[0044] In some other embodiments, the fastening structure is set as a steel wire rope, and two steel wire ropes are set. The two steel wire ropes are respectively tied to the connecting ends of the first frame 2, the second frame 3 and the soft cover 4, so as to fix the two ends of the soft cover 4 to the first frame 2 and the second frame 3, which is simple and convenient.

[0045] The above is a detailed introduction to a VAS pipe flexible connection device provided by the present application. The description of the specific embodiment is only used to help understand the method and its core idea of ​​the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present utility model.

[0046] It should be noted that the phrases "one embodiment", "embodiment", "some optional embodiments", "exemplary embodiments", "some embodiments", etc. mentioned in the specification indicate that the described embodiment may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing specific features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0047] The above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model. The technology, shape, and structure that are not described in detail in the utility model are all well-known technologies.

Claims

1. A VAS pipeline flexible connection device, characterized in that: The invention comprises a first frame (2), a second frame (3), a soft sleeve (4) and a fastening structure, wherein the first frame (2) and the second frame (3) are respectively fixedly connected to two VAS pipes (1), the soft sleeve (4) is sleeved on the first frame (2) and the second frame (3), and the fastening structure is arranged on the soft sleeve (4), the first frame (2) and the second frame (3) and is used to seal and fasten the soft sleeve (4) and the first frame (2) and the second frame (3).

2. The VAS pipeline flexible connection device according to claim 1, characterized in that: The first frame (2) and the second frame (3) have the same structure. The first frame (2) comprises a base (21) and a connecting frame (23). The base (21) and the connecting frame (23) are fixedly connected. A plurality of first connecting holes (22) are provided on the base (21), and a plurality of second connecting holes (24) are provided on the connecting frame (23).

3. The VAS pipeline flexible connection device according to claim 1, characterized in that: The fastening structure comprises a plurality of bolts (6) and a plurality of pressing plates (5), wherein the plurality of pressing plates (5) are respectively arranged around the outer side of the soft sleeve (4), and the plurality of bolts (6) pass through the first frame (2), the second frame (3) and the pressing plates (5), and each of the bolts (6) is threaded with a nut.

4. The VAS pipeline flexible connection device according to claim 3 is characterized in that: Each pressing sheet (5) is provided with a plurality of perforations.

5. The VAS pipeline flexible connection device according to claim 3, characterized in that: Each pressing sheet (5) is provided with a plurality of U-shaped grooves.

6. The VAS pipeline flexible connection device according to claim 1, characterized in that: The fastening structure comprises a plurality of bolts (6), a plurality of pressing plates (5) and a fastener. The plurality of pressing plates (5) are respectively arranged around the outer side of the soft sleeve (4). The plurality of bolts (6) pass through the first frame (2), the second frame (3) and the pressing plates (5). The fastener is clamped on each bolt (6) and pressed against the pressing plates (5).

7. The VAS pipeline flexible connection device according to claim 6, characterized in that: The fastener comprises a tightening seat (7) and a plurality of bayonet pins (71), one end of each of the bayonet pins (71) being fixedly arranged on the tightening seat (7), one end of the tightening seat (7) being wedge-shaped, each of the bolts (6) being provided with a tapered hole, and each of the bayonet pins (71) corresponding to the position of the tapered hole.

8. The VAS pipeline flexible connection device according to claim 1, characterized in that: The fastening structure is provided as a steel wire rope, and the steel wire rope is respectively fastened to the connecting ends of the first frame (2), the second frame (3) and the soft sleeve (4).

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