Annular blowing channel

Abstract

The utility model discloses an annular blowing channel which comprises an outer cylinder and a supporting cylinder, an inner cylinder is arranged in the outer cylinder, the supporting cylinder is fixedly connected to the side portion of the outer cylinder, the supporting cylinder is fixedly connected with a butt joint ring, an observation plate is arranged on the side portion of the butt joint ring, and an auxiliary mechanism used for overhauling the interior of the outer cylinder is arranged on the side portion of the observation plate. The auxiliary mechanism comprises a sealing column, a connecting cylinder and an annular plate, the sealing column is slidably arranged on the side of the observation plate and used for sealing the observation plate, the connecting cylinder is located on the observation plate, and the annular plate is located on the side of the connecting cylinder. The observation plate, the sealing column, the connecting cylinder, the annular plate and the locking column are matched with one another, the sealing column seals the observation plate, the connecting cylinder and the positioning cylinder position the installation of the sealing column, and the locking column limits the relative positions of the connecting cylinder and the positioning cylinder, so that a circular groove in the observation plate can be opened, and the observation plate is convenient to use. And the interior of the outer cylinder is overhauled.

Description

Technical Field

[0001] The utility model relates to the field of annular air blowing ducts, and particularly relates to an annular air blowing duct. Background Art

[0002] The annular air blowing duct is usually also called a duct. The annular air blowing duct is usually a channel in a spinning device for guiding and cooling the melt filament bundle just extruded from a spinneret.

[0003] The application No. 201921127295.3 mentions an air blowing duct device for an annular air blower, which includes an inner cylinder, an outer cylinder sleeved outside the inner cylinder, a return air duct connected to the side of the outer cylinder, and a pull-down door assembly connected to the bottom of the outer cylinder. An observation window is opened at a position near the lower part of the side of the outer cylinder, an observation plate is connected to the observation window, and the observation plate is connected to a flange flange arranged around the observation window through bolts.

[0004] Among them, the inner part of the outer cylinder is observed by using the observation plate. The observation plate is locked and fixed to the flange by using bolts and nuts. However, when overhauling the inner part of the outer cylinder, usually multiple bolts need to be unscrewed from the bolts, and then the observation plate is removed. However, in the installation process of multiple nuts, due to the too close distance between the installation positions of the outer cylinder and the nuts, the staff needs to manually screw multiple nuts respectively, resulting in an increase in the labor intensity of the staff's hands. Furthermore, the annular air blowing duct is not convenient for overhauling the inner part of the outer cylinder, and there are certain limitations. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an annular air blowing duct to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An annular air blowing duct, comprising:

[0007] An outer cylinder, an inner cylinder is arranged inside the outer cylinder;

[0008] A support cylinder, the support cylinder is fixedly connected to the side of the outer cylinder, a docking ring is fixedly connected to the side of the support cylinder, and an observation plate is arranged on the side of the docking ring;

[0009] An auxiliary mechanism for overhauling the inside of the outer cylinder is arranged on the side of the observation plate, and the auxiliary mechanism includes:

[0010] A sealing column, the sealing column is slidably arranged on the side of the observation plate, and the sealing column is used for sealing the observation plate;

[0011] A connecting cylinder and an annular plate, the connecting cylinder is located on the observation plate, the annular plate is located on the side of the connecting cylinder, and the annular plate is used for pulling the sealing column to slide horizontally.

[0012] Preferably, a circular groove is formed in the side of the observation plate, the sealing column is slidably inserted into the inner cavities of the circular groove and the docking ring, the side of the sealing column is fixedly connected with an annular plate, and a circular hole is formed in the side of the outer cylinder.

[0013] Preferably, the side of the connecting cylinder is fixedly connected with the observation plate, the side of the annular plate is fixedly connected with a positioning cylinder, the connecting cylinder is slidably inserted into the inner cavity of the positioning cylinder, a first sliding groove is formed in the outside of the positioning cylinder, and a locking column for locking the relative positions of the positioning cylinder and the connecting cylinder is slidably arranged in the inner cavity of the first sliding groove.

[0014] Preferably, a limiting groove is formed in the outside of the connecting cylinder, the locking column is slidably inserted into the inner cavity of the limiting groove, one end of the locking column is fixedly connected with a sliding frame, a bearing cylinder is fixedly connected with the side of the sliding frame, a guiding ring is arranged in the inner cavity of the bearing cylinder, and a locking bolt is threadedly inserted through the outer wall of the bearing cylinder, and one end of the locking bolt is threadedly inserted through the guiding ring.

[0015] Preferably, an installation rod for locking the installation position of the sliding frame is slidably arranged in the inner cavity of the guiding ring, the outer wall of the installation rod is slidably inserted through the sliding frame, a clamping groove is formed in the other side of the annular plate, and the installation rod is slidably inserted into the inner cavity of the clamping groove.

[0016] Preferably, a moving ring for driving the installation rod to slide horizontally is slidably inserted through the outer wall of the installation rod, an installation bolt is threadedly inserted through the outer wall of the moving ring, one end of the installation bolt is threadedly inserted through the installation rod, a spring for driving the moving ring to slide horizontally is sleeved on the outer wall of the installation rod, one end of the spring is attached to the moving ring, and the other end of the spring is attached to the guiding ring.

[0017] The technical effects and advantages of the present utility model:

[0018] By using the mutual cooperation of the observation plate, the sealing column, the connecting cylinder, the annular plate, the positioning cylinder and the locking column, the sealing column seals the observation plate, the annular plate drives the sealing column to move, the connecting cylinder and the positioning cylinder position the installation of the sealing column, and the locking column limits the relative positions of the connecting cylinder and the positioning cylinder, thereby facilitating the opening of the circular groove on the observation plate for overhauling the inside of the outer cylinder and being convenient for operation. Description of the Drawings

[0019] Figure 1 It is a front cross-sectional structural view of the present utility model.

[0020] Figure 2 It is a front cross-sectional structural view of the connecting cylinder of the present utility model.

[0021] Figure 3 This is a schematic front sectional view of the bearing cylinder of the present utility model.

[0022] Figure 4 This is a schematic view of the structure of the annular plate of the present utility model.

[0023] In the figure: 1. Outer cylinder; 2. Inner cylinder; 3. Support cylinder; 4. Docking ring; 5. Observation plate; 6. Auxiliary mechanism; 61. Sealing column; 62. Connecting cylinder; 63. Annular plate; 64. Positioning cylinder; 65. Locking column; 66. Sliding frame; 67. Bearing cylinder; 68. Guide ring; 69. Mounting rod; 610. Moving ring; 611. Spring. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] The present utility model provides a Figures 1-4 ring blowing duct as shown, including an outer cylinder 1 and a support cylinder 3. An inner cylinder 2 is arranged inside the outer cylinder 1. The support cylinder 3 is fixedly connected to the side of the outer cylinder 1. A docking ring 4 is fixedly connected to the side of the support cylinder 3, which is beneficial for connecting with the observation plate 5 and facilitating the docking installation of the observation plate 5. An observation plate 5 is arranged on the side of the docking ring 4. The observation plate 5 is connected to the docking ring 4 by external bolts and nuts.

[0026] Furthermore, an auxiliary mechanism 6 for overhauling the inside of the outer cylinder 1 is arranged on the side of the observation plate 5. The auxiliary mechanism 6 includes a sealing column 61, a connecting cylinder 62 and an annular plate 63. The sealing column 61 is beneficial for sealing the observation plate 5, and thus beneficial for the normal use of the outer cylinder 1. The connecting cylinder 62 is beneficial for connecting with the positioning cylinder 64, and thus beneficial for the positioning installation of the positioning cylinder 64. The annular plate 63 is beneficial for driving the sealing column 61 to move and facilitating the pulling operation of the sealing column 61. The sealing column 61 is slidably arranged on the side of the observation plate 5 and is used for sealing the observation plate 5. The connecting cylinder 62 is located on the observation plate 5, and the annular plate 63 is located on the side of the connecting cylinder 62. The annular plate 63 is used for pulling the sealing column 61 to slide horizontally. A circular groove is formed on the side of the observation plate 5, which is beneficial for observing and overhauling the inside of the outer cylinder 1 through the inner cavity of the circular groove. The sealing column 61 is slidably inserted into the inner cavity of the circular groove and the inner cavity of the docking ring 4. The side of the sealing column 61 is fixedly connected to the annular plate 63. A circular hole is formed on the side of the outer cylinder 1.

[0027] Specifically, the side of the connecting cylinder 62 is fixedly connected to the observation plate 5. A positioning cylinder 64 is fixedly connected to the side of the annular plate 63, which is beneficial for supporting the annular plate 63 and facilitating the installation of the annular plate 63. The inner cavities of the connecting cylinder 62 and the positioning cylinder 64 are slidably inserted and connected. A first sliding groove is formed on the outer part of the positioning cylinder 64. A locking column 65 for locking the relative positions of the positioning cylinder 64 and the connecting cylinder 62 is slidably arranged in the inner cavity of the first sliding groove. The locking column 65 is beneficial for limiting the relative positions of the connecting cylinder 62 and the positioning cylinder 64, and further beneficial for the installation and disassembly of the annular plate 63 and the sealing column 61, and facilitating the opening operation of the inside of the circular groove. A limiting groove is formed on the outer part of the connecting cylinder 62. The locking column 65 is slidably inserted and connected to the inner cavity of the limiting groove. One end of the locking column 65 is fixedly connected to a sliding frame 66. The sliding frame 66 is L-shaped, which is beneficial for driving the locking column 65 to move and facilitating the pulling operation of the locking column 65. A bearing cylinder 67 is fixedly connected to the side of the sliding frame 66, which is beneficial for installing the guiding ring 68. A guiding ring 68 is arranged in the inner cavity of the bearing cylinder 67, which is beneficial for the sliding guiding of the installation rod 69. A locking bolt is threadedly inserted through the outer wall of the bearing cylinder 67, which is beneficial for the installation and disassembly of the guiding ring 68. One end of the locking bolt is threadedly inserted through the guiding ring 68. An installation rod 69 for locking the installation position of the sliding frame 66 is slidably arranged in the inner cavity of the guiding ring 68, which is beneficial for limiting the relative positions of the sliding frame 66 and the annular plate 63, and further beneficial for limiting the positions of the sliding frame 66 and the locking column 65 to prevent the random sliding of the locking column 65. The outer wall of the installation rod 69 is slidably inserted through the sliding frame 66. A clamping groove is formed on the other side of the annular plate 63. The installation rod 69 is slidably inserted through the inner cavity of the clamping groove. A moving ring 610 for driving the horizontal sliding of the installation rod 69 is slidably inserted through the outer wall of the installation rod 69, which is beneficial for driving the installation rod 69 to move. An installation bolt is threadedly inserted through the outer wall of the moving ring 610, which is beneficial for the installation and disassembly of the moving ring 610 and facilitating the removal of the spring 611. One end of the installation bolt is threadedly inserted through the installation rod 69. A spring 611 for driving the horizontal sliding of the moving ring 610 is sleeved on the outer wall of the installation rod 69. The elastic force of the spring 611 is beneficial for pushing the moving ring 610 to move, and further beneficial for the installation rod 69 to return to its original position after movement, facilitating the repeated operation of the installation rod 69. One end of the spring 611 is in contact with the moving ring 610, and the other end of the spring 611 is in contact with the guiding ring 68.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A circular blowing air tunnel, comprising: An outer cylinder (1), wherein an inner cylinder (2) is arranged inside the outer cylinder (1); A support tube (3), the support tube (3) being fixedly connected to the side of the outer tube (1), the side of the support tube (3) being fixedly connected to a docking ring (4), and the side of the docking ring (4) being provided with an observation plate (5); The invention is characterized in that an auxiliary mechanism (6) for inspecting the inside of the outer cylinder (1) is provided on the side of the observation plate (5), and the auxiliary mechanism (6) comprises: A sealing column (61), wherein the sealing column (61) is slidably disposed on a side of the observation plate (5), and the sealing column (61) is used to perform a sealing operation on the observation plate (5); A connecting tube (62) and an annular plate (63), wherein the connecting tube (62) is located on the observation plate (5), and the annular plate (63) is located on the side of the connecting tube (62), and the annular plate (63) is used to pull the sealing column (61) to slide horizontally.

2. The annular blowing air channel according to claim 1, characterized in that: A circular groove is provided on the side of the observation plate (5), the sealing column (61) is slidably connected with the inner cavity of the circular groove and the inner cavity of the docking ring (4), the side of the sealing column (61) is fixedly connected with the annular plate (63), and a circular hole is provided on the side of the outer cylinder (1).

3. The annular blowing air channel according to claim 1, characterized in that: The side of the connecting tube (62) is fixedly connected to the observation plate (5), and the side of the annular plate (63) is fixedly connected to the positioning tube (64). The connecting tube (62) and the inner cavity of the positioning tube (64) are slidably connected, and a first sliding groove is provided on the outside of the positioning tube (64). The inner cavity of the first sliding groove is slidably provided with a locking column (65) for locking the relative position of the positioning tube (64) and the connecting tube (62).

4. The annular blowing air channel according to claim 3, characterized in that: A limiting groove is provided on the outside of the connecting tube (62), and the locking column (65) is slidably connected to the inner cavity of the limiting groove. One end of the locking column (65) is fixedly connected to a sliding frame (66), and the side of the sliding frame (66) is fixedly connected to a supporting tube (67). The inner cavity of the supporting tube (67) is provided with a guide ring (68), and the outer wall of the supporting tube (67) is threadedly connected to a locking bolt, and one end of the locking bolt is threadedly connected to the guide ring (68).

5. The annular blowing air channel according to claim 4, characterized in that: The inner cavity of the guide ring (68) is slidably provided with a mounting rod (69) for locking the mounting position of the sliding frame (66); the outer wall of the mounting rod (69) is slidably connected with the sliding frame (66); the other side of the annular plate (63) is provided with a slot, and the mounting rod (69) is slidably connected with the inner cavity of the slot.

6. The annular blowing air channel according to claim 5, characterized in that: The outer wall of the mounting rod (69) is slidably connected with a movable ring (610) for driving the mounting rod (69) to slide horizontally. The outer wall of the movable ring (610) is threadedly connected with a mounting bolt. One end of the mounting bolt is threadedly connected with the mounting rod (69). The outer wall of the mounting rod (69) is provided with a spring (611) for driving the movable ring (610) to slide horizontally. One end of the spring (611) is in contact with the movable ring (610), and the other end of the spring (611) is in contact with the guide ring (68).

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