Vacuum conveying pipeline sealing mechanism for powder conveying

Abstract

The utility model discloses a vacuum conveying pipeline sealing mechanism for powder conveying, which relates to the technical field of conveying pipeline sealing and comprises a first conveying pipe and a second conveying pipe, and a connecting device is mounted between the first conveying pipe and the second conveying pipe. Mounting rings are fixedly mounted on the outer sides of the adjacent ends of the first conveying pipe and the second conveying pipe in a sleeving manner, fixing devices are mounted on the mounting rings, and the fixing devices are symmetrically mounted. The first conveying pipe and the second conveying pipe can be connected by installing the connecting device, the first conveying pipe and the second conveying pipe can be fixed by being matched with the fixing device, the first conveying pipe and the second conveying pipe are fixed to the two sides of the connecting device, connecting and fixing are firm and reliable, and the sealing effect is good; and by installing the protection device, the joint between the first conveying pipe and the second conveying pipe can be protected, and the situation that the joint is loosened or damaged due to external force, and follow-up work is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying pipeline sealing, in particular to a vacuum conveying pipeline sealing mechanism for powder conveying. Background Art

[0002] For a long time in industries such as medicine, electric power, grain, food, metallurgy, machinery, building materials, chemical industry, and rubber, the problem of powder material packaging has become an important issue in improving production processes and product quality. The method of manual loading is widespread. During the process of manual loading, not only does it increase the labor intensity of workers, make the process cumbersome, but also increases the possibility of material contamination. At the same time, it may cause dust, pollute the environment, and affect the physical health of operators. Therefore, vacuum conveying is mostly used at present. Vacuum conveying refers to a conveying method that uses a blower (vacuum pump) to generate a negative pressure in the system and sucks the powdery and granular materials uniformly mixed with air at the feeder through the pipeline to the storage device.

[0003] The following problems exist in the prior art:

[0004] 1. The existing vacuum conveying pipeline sealing mechanism for powder conveying has unreliable connection and fixation, a complex fixation structure, poor sealing effect, and complex installation;

[0005] 2. The existing vacuum conveying pipeline sealing mechanism for powder conveying usually does not have a protection device and cannot protect the connection of the conveying pipe. The connection is prone to looseness or damage due to external forces, affecting the progress of subsequent work and delaying the work schedule. Summary of the Utility Model

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A vacuum conveying pipeline sealing mechanism for powder conveying includes a first conveying pipe and a second conveying pipe. A connecting device is installed between the first conveying pipe and the second conveying pipe. Fixed mounting rings are sleeved on the outer sides of the adjacent ends of the first conveying pipe and the second conveying pipe. Fixing devices are installed on the mounting rings. The fixing devices are symmetrically installed. A protection device is installed between the first conveying pipe and the second conveying pipe.

[0008] The further improvement of the technical solution of the utility model lies in that: the connecting device includes a connecting block. The connecting block is installed between the first conveying pipe and the second conveying pipe. Installation holes are opened on both sides of the connecting block, and a connecting channel is opened inside the connecting block.

[0009] A further improvement of the technical solution of the present utility model lies in that: the connection channel is communicated with the installation holes on both of its sides, the diameter of the installation holes is matched with the diameters of the first delivery pipe and the second delivery pipe, and rubber rings are installed at both port ends of the connection channel.

[0010] A further improvement of the technical solution of the present utility model lies in that: the fixing device includes a plurality of insertion holes, the plurality of insertion holes are annularly and equidistantly arranged on the installation ring, a plurality of screw holes and a plurality of fixing holes are annularly and equidistantly arranged on both sides of the connection block, and a plurality of round rods are annularly and equidistantly installed on one side of the installation ring.

[0011] A further improvement of the technical solution of the present utility model lies in that: screws are inserted into the insertion holes, one end of each screw is inserted into the screw hole, the screws are matched with the screw holes, the number of the plurality of insertion holes corresponds to the number of the plurality of screw holes, and the number of the plurality of round rods corresponds to the number of the plurality of fixing holes.

[0012] A further improvement of the technical solution of the present utility model lies in that: the protection device includes a first sleeve and a second sleeve, and moving holes are formed in both the first sleeve and the second sleeve, and the size of the moving holes is matched with the first delivery pipe and the second delivery pipe.

[0013] A further improvement of the technical solution of the present utility model lies in that: threads are formed on the side surface of one end of the first sleeve, screw grooves are formed on the inner wall of one end of the second sleeve, and the first sleeve and the second sleeve can be screwed and clamped with each other.

[0014] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is:

[0015] 1. The present utility model provides a sealing mechanism for a vacuum conveying pipeline used for powder conveying. The first conveying pipe and the second conveying pipe can be connected through the installation of a connecting device, and the first conveying pipe and the second conveying pipe can be fixed by cooperating with a fixing device and fixed on both sides of the connecting device. The connection is firm and reliable, the installation is simple, and the fixing structure is simple and effective. After the fixed connection, the sealing effect is good and the sealing effect is guaranteed. The specific working process is as follows: the first conveying pipe and the second conveying pipe are respectively inserted into the installation holes on both sides of the connecting block. The rubber ring plays a role in sealing to prevent air leakage. The connecting channel enables the first conveying pipe and the second conveying pipe to communicate with each other. Then, a plurality of round rods are inserted into the fixing holes to fix the position of the installation ring, so that the first conveying pipe and the second conveying pipe can be fixed on both sides of the connecting block. Then, a plurality of screws are inserted into the screw holes, and the screws are tightened for fixation, which can drive the installation ring to move and fix the installation ring on both sides of the connecting block. When the screws are not completely screwed into the screw holes, one end of the first conveying pipe and one end of the second conveying pipe are already in contact with the rubber ring. Tightening the screws can make the installation ring drive the first conveying pipe and the second conveying pipe to be fixedly attached to the rubber ring for sealing. The sealing effect is good and the connection is firm and reliable.

[0016] 2. The present utility model provides a sealing mechanism for a vacuum conveying pipeline used for powder conveying. By installing a protection device, the connection between the first conveying pipe and the second conveying pipe can be protected to prevent it from loosening due to external force or being damaged, which affects the subsequent work and ensures that the work can proceed smoothly without delaying the work progress. The specific working process is as follows: the first sleeve is sleeved and installed at one end of the second conveying pipe, and the second sleeve is sleeved and installed at one end of the first conveying pipe. Both the first conveying pipe and the second conveying pipe can slide in the movable holes. Then, one end of the first sleeve is inserted into the second sleeve, and then the second sleeve is rotated to tighten and fix the first sleeve and the second sleeve, which can protect the devices inside the first sleeve and the second sleeve and protect the connection between the first conveying pipe and the second conveying pipe from being damaged by external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the sealing mechanism for a vacuum conveying pipeline used for powder conveying of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the connecting device of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the fixing device of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the protection device of the present utility model.

[0021] In the figure: 1. First conveying pipe; 2. Second conveying pipe; 3. Connecting device; 4. Mounting ring; 5. Fixing device; 6. Protection device; 31. Connecting block; 32. Mounting hole; 33. Connecting channel; 34. Rubber ring; 51. Insertion hole; 52. Screw; 53. Screw hole; 54. Round rod; 55. Fixing hole; 61. First sleeve; 62. Second sleeve; 63. Movable hole; 64. Thread groove; 65. Thread. Specific implementation mode

[0022] The following further describes the present utility model in detail with reference to the embodiments:

[0023] Embodiment 1

[0024] As Figures 1-4 shown, the present utility model provides a vacuum conveying pipeline sealing mechanism for powder conveying, including a first conveying pipe 1 and a second conveying pipe 2. A connecting device 3 is installed between the first conveying pipe 1 and the second conveying pipe 2. Mounting rings 4 are fixedly installed by sleeving on the outer sides of adjacent ends of the first conveying pipe 1 and the second conveying pipe 2. Fixing devices 5 are installed on the mounting rings 4. The fixing devices 5 are symmetrically installed. A protection device 6 is installed between the first conveying pipe 1 and the second conveying pipe 2.

[0025] Embodiment 2

[0026] As Figures 1-4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the connecting device 3 includes a connecting block 31. The connecting block 31 is installed between the first conveying pipe 1 and the second conveying pipe 2. Mounting holes 32 are opened on both sides of the connecting block 31. A connecting channel 33 is opened inside the connecting block 31. The connecting channel 33 communicates with the mounting holes 32 on both sides of it. The diameter of the mounting hole 32 matches the diameter of the first conveying pipe 1 and the second conveying pipe 2. Rubber rings 34 are installed at both ends of the connecting channel 33. The fixing device 5 includes a plurality of insertion holes 51. The plurality of insertion holes 51 are annularly and equidistantly opened on the mounting ring 4. A plurality of screw holes 53 and a plurality of fixing holes 55 are annularly and equidistantly opened on both sides of the connecting block 31. A plurality of round rods 54 are annularly and equidistantly installed on one side of the mounting ring 4. Screws 52 are inserted into the insertion holes 51. One end of the screw 52 is inserted into the screw hole 53. The screw 52 matches the screw hole 53. The number of the plurality of insertion holes 51 corresponds to the number of the plurality of screw holes 53. The number of the plurality of round rods 54 corresponds to the number of the plurality of fixing holes 55.

[0027] In this embodiment, the connection device 3 can be installed to connect the first conveying pipe 1 and the second conveying pipe 2. In cooperation with the fixing device 5, the first conveying pipe 1 and the second conveying pipe 2 can be fixed on both sides of the connection device 3. The connection is firm and reliable, the installation is simple, and the fixing structure is simple and effective. After the fixed connection, the sealing effect is good and guaranteed. The specific working process is as follows: the first conveying pipe 1 and the second conveying pipe 2 are respectively inserted into the installation holes 32 on both sides of the connection block 31. The rubber ring 34 plays a role in sealing to prevent air leakage. The connection channel 33 enables the first conveying pipe 1 and the second conveying pipe 2 to communicate with each other. Then, a plurality of round rods 54 are inserted into the fixing holes 55, so that the position of the mounting ring 4 is fixed, and the first conveying pipe 1 and the second conveying pipe 2 can be fixed on both sides of the connection block 31. Then, a plurality of screws 52 are inserted into the screw holes 53, and the screws 52 are tightened for fixation, which can drive the mounting ring 4 to move and fix the mounting ring 4 on both sides of the connection block 31. When the screws 52 are not completely screwed into the screw holes 53, one end of the first conveying pipe 1 and one end of the second conveying pipe 2 are both in contact with the rubber ring 34. Tightening the screws 52 can make the mounting ring 4 drive the first conveying pipe 1 and the second conveying pipe 2 to be fixedly attached to the rubber ring 34 for sealing. The sealing effect is good, and the connection is firm and reliable.

[0028] Embodiment 3

[0029] As Figures 1-4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the protection device 6 includes a first sleeve 61 and a second sleeve 62. The first sleeve 61 and the second sleeve 62 are both provided with moving holes 63. The size of the moving holes 63 matches that of the first conveying pipe 1 and the second conveying pipe 2. A thread 65 is provided on the side of one end of the first sleeve 61, and a screw groove 64 is provided on the inner wall of one end of the second sleeve 62. The first sleeve 61 and the second sleeve 62 can be tightened and engaged with each other.

[0030] In this embodiment, by installing the protection device 6, the connection between the first conveying pipe 1 and the second conveying pipe 2 can be protected, preventing it from loosening due to external force or being damaged, which may affect the subsequent work and ensure the smooth progress of the work without delaying the work schedule. The specific working process is as follows: the first sleeve 61 is sleeved and installed at one end of the second conveying pipe 2, and the second sleeve 62 is sleeved and installed at one end of the first conveying pipe 1. The first conveying pipe 1 and the second conveying pipe 2 can both slide in the moving holes 63. Then, one end of the first sleeve 61 is inserted into the second sleeve 62, and then the second sleeve 62 is rotated to tighten and fix the first sleeve 61 and the second sleeve 62, which can protect the devices inside the first sleeve 61 and the second sleeve 62 and prevent the connection between the first conveying pipe 1 and the second conveying pipe 2 from being damaged by external force.

[0031] The working principle of the vacuum conveying pipeline sealing mechanism for powder conveying will be specifically described below.

[0032] As Figures 1-4 shown, the first conveying pipe 1 and the second conveying pipe 2 can be connected through the installation of the connecting device 3. Cooperating with the fixing device 5, the first conveying pipe 1 and the second conveying pipe 2 can be fixed on both sides of the connecting device 3. The connection and fixation are firm and reliable, the installation is simple, and the fixing structure is simple and effective. After the fixed connection, the sealing effect is good and the sealing effect is guaranteed. The specific working process is as follows: the first conveying pipe 1 and the second conveying pipe 2 are respectively inserted into the installation holes 32 on both sides of the connecting block 31. The rubber ring 34 plays a role in sealing to prevent air leakage. The connecting channel 33 enables the first conveying pipe 1 and the second conveying pipe 2 to communicate with each other. Then, a plurality of round rods 54 are inserted into the fixing holes 55, so that the position of the installation ring 4 is fixed, and the first conveying pipe 1 and the second conveying pipe 2 can be fixed on both sides of the connecting block 31. Then, a plurality of screws 52 are inserted into the screw holes 53, and the screws 52 are tightened for fixation, which can drive the installation ring 4 to move and fix the installation ring 4 on both sides of the connecting block 31. When the screws 52 are not completely screwed into the screw holes 53, one end of the first conveying pipe 1 and one end of the second conveying pipe 2 are already in contact with the rubber ring 34. Tightening the screws 52 can make the installation ring 4 drive the first conveying pipe 1 and the second conveying pipe 2 to be fixedly attached to the rubber ring 34 for sealing. The sealing effect is good, the connection and fixation are reliable. By installing the protection device 6, the connection between the first conveying pipe 1 and the second conveying pipe 2 can be protected, preventing it from loosening due to external force or being damaged, which affects the subsequent work and ensures that the work can proceed smoothly without delaying the work progress. The specific working process is as follows: the first sleeve 61 is sleeved and installed at one end of the second conveying pipe 2, and the second sleeve 62 is sleeved and installed at one end of the first conveying pipe 1. Both the first conveying pipe 1 and the second conveying pipe 2 can slide in the moving holes 63. Then, one end of the first sleeve 61 is inserted into the second sleeve 62, and then the second sleeve 62 is rotated to tighten and fix the first sleeve 61 and the second sleeve 62, which can protect the devices inside the first sleeve 61 and the second sleeve 62 and protect the connection between the first conveying pipe 1 and the second conveying pipe 2 from being damaged by external force.

[0033] The above has generally described the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A vacuum conveying pipe sealing mechanism for powder conveying, comprising a first conveying pipe (1) and a second conveying pipe (2), characterized in that: A connecting device (3) is installed between the first delivery pipe (1) and the second delivery pipe (2); a mounting ring (4) is inserted and fixedly installed on the outer sides of the adjacent ends of the first delivery pipe (1) and the second delivery pipe (2); a fixing device (5) is installed on the mounting ring (4); the fixing device (5) is symmetrically installed; and a protective device (6) is installed between the first delivery pipe (1) and the second delivery pipe (2); The connecting device (3) comprises a connecting block (31), the connecting block (31) being installed between the first conveying pipe (1) and the second conveying pipe (2), the connecting block (31) being provided with mounting holes (32) on both sides, and the connecting block (31) being provided with a connecting channel (33) inside; The fixing device (5) comprises a plurality of insertion holes (51), the plurality of insertion holes (51) are equidistantly arranged in an annular manner on the mounting ring (4), a plurality of screw holes (53) and a plurality of fixing holes (55) are equidistantly arranged in an annular manner on both sides of the connecting block (31), and a plurality of round rods (54) are equidistantly arranged in an annular manner on one side of the mounting ring (4); The protective device (6) comprises a first sleeve (61) and a second sleeve (62), wherein the first sleeve (61) and the second sleeve (62) are both provided with a movable hole (63), and the size of the movable hole (63) matches the first conveying pipe (1) and the second conveying pipe (2).

2. A vacuum conveying pipeline sealing mechanism for powder conveying according to claim 1, characterized in that: The connecting channel (33) is connected to the installation holes (32) on both sides thereof; the diameter of the installation holes (32) matches the diameter of the first delivery pipe (1) and the second delivery pipe (2); and rubber rings (34) are installed at both end ports of the connecting channel (33).

3. The vacuum conveying pipeline sealing mechanism for powder conveying according to claim 1, characterized in that: A screw (52) is inserted into the insertion hole (51), one end of the screw (52) is inserted into the screw hole (53), the screw (52) matches the screw hole (53), the number of the plurality of insertion holes (51) corresponds to the number of the plurality of screw holes (53), and the number of the plurality of round rods (54) corresponds to the number of the plurality of fixing holes (55).

4. The vacuum conveying pipeline sealing mechanism for powder conveying according to claim 1, characterized in that: A thread (65) is provided on the side surface of one end of the first sleeve (61), and a screw groove (64) is provided on the inner wall of one end of the second sleeve (62). The first sleeve (61) and the second sleeve (62) can be screwed together and engaged with each other.

Images