Cotton carding, dust filtering and air returning device

Abstract

The utility model belongs to the technical field of cotton carding, dust filtering and air returning, and particularly relates to a cotton carding, dust filtering and air returning device which comprises a main pipeline, the left side of the main pipeline is fixedly connected with a multi-stage filter and a fresh air pipeline in sequence, and a humidifying and cooling device is installed at the top of the fresh air pipeline. A plurality of butt joints are embedded and fixed in the bottom end of the main pipeline at equal intervals in the horizontal direction, sealing assemblies are installed on the inner sides of the bottoms of the butt joints, the outer sides of the bottoms of the butt joints are sleeved with dust filtering air return pipelines in a threaded mode, ejector rods are fixedly connected to the inner walls of the tops of the dust filtering air return pipelines, and an air bellow is fixedly installed above the middle of the main pipeline; fixing frames are fixed to the inner sides of the left and right ends of the bellows. The plurality of butt joints are arranged at the bottom of the main pipeline along the length direction, so that a proper number of dust filtering air return pipelines can be conveniently mounted according to actual requirements of a textile workshop, the use is more flexible, and the practicability is stronger.

Description

Technical Field

[0001] The utility model belongs to the technical field of combing dust filtering and returning air, in particular to a combing dust filtering and returning air device. Background Art

[0002] The combing process in textile mills often produces a large amount of combing dust, which, if inhaled, can have significant health consequences. To facilitate the removal of combing dust and protect the production environment, textile workshops are typically equipped with multiple combing dust return air systems to purify the interior of the workshop.

[0003] In the Chinese utility model patent with publication number CN202643979U, a carding dust filter return air device is disclosed, which is mainly used for the rational use of carding return air. It includes at least two sets of dust filter return air ducts, which can realize the carding dust filter return air being processed and then sent back to the workshop for use, which can increase the comfort of the workshop environment, and can reduce the energy consumption of the workshop air-conditioning system, save air conditioning electricity, and achieve energy saving and consumption reduction. However, the device still has some shortcomings that need to be improved: First, in a textile workshop, different numbers of dust filter return air ducts are usually installed according to the size of the workshop, but the dust filter return air duct of the above device is directly fixedly connected to the main duct, and the number of interfaces of the main duct is limited, which makes it inconvenient to install the appropriate number of dust filter return air ducts according to actual usage conditions, and there are problems such as insufficient spraying and inconvenient switching between indoor and outdoor exhaust.

[0004] Therefore, there is an urgent need to improve the existing carding dust filter return air device and provide a carding dust filter return air device with reasonable design, adjustable number of dust filter return air duct installation, sufficient spraying, and fast indoor and outdoor exhaust switching. Utility Model Content

[0005] The purpose of this utility model is to address the deficiencies in the prior art and provide a carding dust filter return air device with a reasonable design, simple structure, adjustable number of dust filter return air ducts, sufficient spraying, and quick switching between indoor and outdoor exhaust, so as to solve the problems in the prior art.

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

[0007] A cotton combing dust filter and return air device comprises a main duct, the left side of the main duct is fixedly connected with a multi-stage filter and a fresh air duct in sequence, the top of the fresh air duct is installed with a humidifying and cooling device, the bottom of the main duct is internally inlaid with a plurality of joints equidistantly fixed in the horizontal direction, the bottom inner side of the joint is installed with a sealing assembly, the bottom outer side of the joint is threadedly sleeved with a dust filter return air duct, the top inner wall of the dust filter return air duct is fixedly connected with a top rod, a bellows is fixedly installed above the middle of the main duct, the inner sides of the left and right ends of the bellows are fixed with fixing frames, the middle bearing of the bellows is installed with a horizontal shaft, the outer wall of the horizontal shaft is fixedly connected with an air guide plate, and an electric telescopic rod is hingedly installed on the right front of the bellows, the telescopic end of the electric telescopic rod is hingedly connected to the protrusion provided on the outer wall of the front end of the horizontal shaft.

[0008] Preferably, the humidifying and cooling device includes a first transverse pipe, a water inlet pipe, a second transverse pipe and an atomizing nozzle. The first transverse pipe is fixedly installed at the upper rear of the fresh air duct. The water inlet pipe is fixedly connected to the upper left water inlet of the first transverse pipe. The front end of the first transverse pipe is fixedly connected to the second transverse pipe. The bottom end of the second transverse pipe is equidistantly installed with a plurality of the atomizing nozzles. The bottom end of the atomizing nozzle passes through the fresh air duct and is fixedly connected to it.

[0009] Preferably, the end of the water inlet pipe away from the first transverse pipe is connected to an external water source, and multiple second transverse pipes are arranged at equal intervals along the length direction of the first transverse pipe, and multiple second transverse pipes are connected to the first transverse pipe.

[0010] Preferably, a sealing ring is provided on the outer bonding sleeve in the middle of the docking joint, a matching threaded structure is provided on the bottom outer wall of the docking joint and the top inner wall of the dust filter return air duct, and a bevel is provided on the intersection surfaces of the docking joint and the dust filter return air duct. An air inlet is provided at the bottom center of the docking joint, and the diameter of the air inlet is arranged to decrease from top to bottom.

[0011] Preferably, the sealing assembly includes a sealing ball, an inner rod, an outer rod and a spring. The sealing ball is located on the inner side of the air inlet. The inner rod is symmetrically hinged on the left and right sides of the sealing ball. The outer sliding sleeve of the inner rod is provided with an outer rod. A spring is fixedly connected between the outer rod and the inner rod. The end of the outer rod away from the sealing ball is hinged to the docking joint.

[0012] Preferably, the diameter of the sealing ball is greater than the bottom diameter of the air inlet, and a rubber layer is bonded to the outer side of the lower half of the sealing ball.

[0013] Preferably, two exhaust ducts are embedded in the top of the bellows, the outlet end of one exhaust duct is located inside the workshop, and the outlet end of the other exhaust duct is located outside the workshop, and the two fixed frames are respectively arranged corresponding to the two exhaust ducts.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the solution of the present invention, the butt joint and the dust filter return air duct are connected by a thread, and a sealing ring can be used to seal the two. When the butt joint and the dust filter return air duct are docked and installed, the sealing ball is pushed upward by a push rod to open the air inlet. When the dust filter return air duct is disassembled, the sealing ball can be reset by a spring and the air inlet is automatically sealed. A plurality of butt joints are provided at the bottom of the main duct along its length in this device, which is convenient for installing an appropriate number of dust filter return air ducts according to the actual needs of the textile workshop. It is more flexible to use and more practical.

[0016] The utility model can push the horizontal axis by controlling the telescopic adjustment of the electric telescopic rod, and drive the wind guide plate to rotate and adjust, and can close the bottom of any one of the two fixed frames, so as to facilitate the control of return air to be discharged into or outside the workshop through the selected exhaust pipe. The exhaust switching is fast and convenient, and the use of multiple atomizing nozzles equidistantly installed at the bottom of multiple second horizontal pipes facilitates more sufficient humidification and cooling of the air inhaled through the fresh air duct, and re-discharges it into the workshop along with the return air, which can improve the air quality inside the workshop and reduce the temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art description. The following description is given with respect to the drawings:

[0018] Figure 1 This is a schematic diagram of the three-dimensional front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall front view structure of the humidifying and cooling device of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall left-side cross-sectional structure of the sealing assembly of the present invention;

[0021] Figure 4 This is a schematic diagram of the left side cross-sectional structure of the butt joint and the dust filter return air duct of the utility model;

[0022] Figure 5 This is a bottom view of the bellows and the fixed frame of the utility model;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the horizontal axis and the air guide plate of the utility model.

[0024] In the picture:

[0025] 1. Main duct; 2. Multi-stage filter; 3. Fresh air duct; 4. Humidification and cooling device; 41. First transverse pipe; 42. Water inlet pipe; 43. Second transverse pipe; 44. Atomizing nozzle; 5. Connector; 6. Sealing ring; 7. Air inlet; 8. Sealing assembly; 81. Sealing ball; 82. Inner rod; 83. Outer rod; 84. Spring; 9. Dust filter return air duct; 10. Top rod; 11. Bellows; 12. Exhaust duct; 13. Fixed frame; 14. Horizontal axis; 15. Air guide plate; 16. Electric telescopic rod. DETAILED DESCRIPTION

[0026] The embodiments described below are only a portion of the embodiments of the present invention and do not represent all embodiments consistent with the present invention. The exemplary embodiments are described below in conjunction with the accompanying drawings:

[0027] like Figure 1-6 As shown in FIG1 , the dust filter return air device for combing cotton of the present invention comprises a main duct 1, a multi-stage filter 2, a fresh air duct 3 and a dust filter return air duct 9. The left side of the main duct 1 is fixedly connected with the multi-stage filter 2 and the fresh air duct 3 in sequence. A humidifying and cooling device 4 is installed on the top of the fresh air duct 3. A plurality of docking joints 5 are fixedly fixed at equal intervals in the horizontal direction at the bottom end of the main duct 1. A sealing assembly 8 is installed on the inner side of the bottom of the docking joint 5. The dust filter return air duct is threadedly sleeved on the outer side of the bottom of the docking joint 5. 9. The top inner wall of the dust filter return air duct 9 is fixedly connected with a top rod 10, and a bellows 11 is fixedly installed above the middle of the main duct 1. Fixed frames 13 are fixed on the inner sides of the left and right ends of the bellows 11. A horizontal shaft 14 is installed on the middle bearing of the bellows 11, and an air guide plate 15 is fixedly connected to the outer wall of the horizontal shaft 14. A protrusion is provided on the outer wall of the front end of the horizontal shaft 14. An electric telescopic rod 16 is hingedly installed on the right front of the bellows 11, and the telescopic end of the electric telescopic rod 16 is hingedly connected to the protrusion at the front end of the horizontal shaft 14.

[0028] As a preferred embodiment, on the basis of the above structure, the humidifying and cooling device 4 further includes a first transverse pipe 41, a water inlet pipe 42, a second transverse pipe 43 and an atomizing nozzle 44. The first transverse pipe 41 is fixedly installed on the upper rear of the fresh air duct 3. The water inlet pipe 42 is fixedly connected to the upper left water inlet of the first transverse pipe 41. The front end of the first transverse pipe 41 is fixedly connected to the second transverse pipe 43. A plurality of atomizing nozzles 44 are equidistantly installed at the bottom end of the second transverse pipe 43. The bottom end of the atomizing nozzle 44 passes through the fresh air duct 3 and is fixedly connected to it.

[0029] As a preferred embodiment, on the basis of the above structure, further, the water inlet pipe 42 is connected to the external water source at one end away from the first transverse pipe 41, and multiple second transverse pipes 43 are arranged at equal intervals along the length direction of the first transverse pipe 41, and multiple second transverse pipes 43 are connected to the first transverse pipe 41.

[0030] In this embodiment, a plurality of atomizing nozzles 44 are equidistantly installed at the bottom of the second transverse tubes 43 to facilitate more adequate humidification and cooling of the air inhaled through the fresh air duct 3, thereby improving the air quality inside the textile workshop and reducing the temperature.

[0031] As a preferred embodiment, on the basis of the above structure, a sealing ring 6 is further provided on the outer bonding sleeve in the middle of the docking joint 5, the bottom outer wall of the docking joint 5 and the top inner wall of the dust filter return air duct 9 are provided with matching threaded structures, the intersection surfaces of the docking joint 5 and the dust filter return air duct 9 are provided with inclined surfaces, and an air inlet 7 is opened at the bottom center of the docking joint 5, and the diameter of the air inlet 7 is set to decrease from top to bottom.

[0032] In this embodiment, the sealing ring 6 is provided to facilitate the sealing between the joint 5 and the dust filter return air duct 9.

[0033] As a preferred embodiment, on the basis of the above structure, the sealing assembly 8 further includes a sealing ball 81, an inner rod 82, an outer rod 83 and a spring 84. The sealing ball 81 is located on the inner side of the air inlet 7. The left and right sides of the sealing ball 81 are symmetrically hinged with the inner rod 82. The outer sliding sleeve of the inner rod 82 is provided with an outer rod 83. A spring 84 is fixedly connected between the outer rod 83 and the inner rod 82. The end of the outer rod 83 away from the sealing ball 81 is hinged to the docking joint 5.

[0034] As a preferred embodiment, based on the above structure, further, the diameter of the sealing ball 81 is greater than the bottom diameter of the air inlet 7 , and a rubber layer is bonded to the outer side of the lower half of the sealing ball 81 .

[0035] In this embodiment, the provision of the sealing ball 81 facilitates sealing of the docking joint 5 that is not equipped with the dust filter return air duct 9. By utilizing the multiple docking joints 5 provided at the bottom of the main duct 1, it is convenient to install an appropriate number of dust filter return air ducts 9 according to the actual needs of the textile workshop.

[0036] As a preferred embodiment, on the basis of the above structure, further, two exhaust ducts 12 are embedded and connected on the top of the bellows 11, the air outlet end of one exhaust duct 12 is located inside the workshop, and the air outlet end of the other exhaust duct 12 is located outside the workshop, and the two fixed frames 13 are respectively arranged corresponding to the two exhaust ducts 12.

[0037] In this embodiment, by providing two exhaust ducts 12 and an air guide plate 15 , it is convenient to control the return air to be discharged into or outside the workshop through the selected exhaust duct 12 , and the exhaust switching is quick and convenient.

[0038] The working principle of this utility model is as follows:

[0039] When in use, since the bottom of the main duct 1 in the present device is provided with a plurality of docking joints 5 along its length direction, it is convenient to install a suitable number of dust filter return air ducts 9 according to the actual needs of the textile workshop. In the process of threadedly connecting the dust filter return air duct 9 and the docking joint 5, the sealing ring 6 can be used to seal the connection between the two, and the top rod 10 fixed on the inner side of the dust filter return air duct 9 can push the sealing ball 81 upward, so that the air inlet 7 can be unblocked, and the dust-filtered return air can be transported to the main duct 1, and the outside air can be sucked in through the fresh air duct 3 through the existing fresh air system, and then enter the main duct 1 after being filtered through the multi-stage filter 2. At the same time, the outside water source can be transported to the inside of the first transverse pipe 41 through the water inlet pipe 42, and then through the multiple atomizing nozzles 44 equidistantly installed at the bottom of the multiple second transverse pipes 43, the air in the fresh air duct 3 can be fully humidified and cooled, and then discharged back into the workshop along with the return air, which can improve the air quality inside the workshop and reduce the temperature.

[0040] According to actual needs, the telescopic adjustment of the electric telescopic rod 16 can be controlled to push the horizontal shaft 14 with a protruding portion at the front end to drive the wind deflector 15 to rotate and adjust. Figure 5 The air guide plate 15 shown in the figure can seal the bottom of any one of the two fixed frames 13, so as to control the return air to be discharged into or outside the workshop through the selected exhaust pipe 12, and the exhaust switching is quick and convenient;

[0041] It should be particularly emphasized that the multi-stage filter 2, fresh air duct 3 and dust return air duct 9 mentioned in this device all refer to mature technologies and products in the comparative documents. Their internal structure and working principles are completely consistent with the existing technology, and they are not the content that needs to be protected by this device, so they will not be described in detail.

[0042] The above are only preferred specific embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any equivalent changes, modifications, substitutions and variations made by technicians in this technical field based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of existing technologies should be within the scope of protection determined by the claims.

Claims

1. A carding dust filter and return air device, comprising a main duct (1), characterized in that: The left side of the main pipe (1) is fixedly connected with a multi-stage filter (2) and a fresh air pipe (3) in sequence, and a humidifying and cooling device (4) is installed on the top of the fresh air pipe (3). The bottom end of the main pipe (1) is fixed with a plurality of joints (5) equidistantly inlaid in the horizontal direction, and a sealing component (8) is installed on the inner side of the bottom of the joint (5). The outer side of the bottom of the joint (5) is threadedly sleeved with a dust filter return air pipe (9), and the top inner wall of the dust filter return air pipe (9) is fixedly connected with a top Rod (10), a bellows (11) is fixedly installed above the middle of the main pipeline (1), a fixing frame (13) is fixed on the inner sides of the left and right ends of the bellows (11), a horizontal shaft (14) is installed on the middle bearing of the bellows (11), and an air guide plate (15) is fixedly connected to the outer wall of the horizontal shaft (14), and an electric telescopic rod (16) is hingedly installed on the right front of the bellows (11), and the telescopic end of the electric telescopic rod (16) is hingedly connected to a protrusion provided on the outer wall of the front end of the horizontal shaft (14).

2. The carding dust filter and return air device according to claim 1, characterized in that: The humidifying and cooling device (4) comprises a first transverse pipe (41), a water inlet pipe (42), a second transverse pipe (43) and an atomizing nozzle (44); the first transverse pipe (41) is fixedly installed at the upper rear of the fresh air duct (3); the water inlet pipe (42) is fixedly connected to the water inlet at the upper left of the first transverse pipe (41); the front end of the first transverse pipe (41) is fixedly connected to the second transverse pipe (43); a plurality of the atomizing nozzles (44) are equidistantly installed at the bottom end of the second transverse pipe (43); the bottom end of the atomizing nozzle (44) passes through the fresh air duct (3) and is fixedly connected thereto.

3. The carding dust filter and return air device according to claim 2, characterized in that: One end of the water inlet pipe (42) away from the first transverse pipe (41) is connected to an external water source, and a plurality of the second transverse pipes (43) are arranged at equal intervals along the length direction of the first transverse pipe (41), and the plurality of the second transverse pipes (43) are connected to the first transverse pipe (41).

4. The carding dust filter and return air device according to claim 1, characterized in that: The middle outer bonding sleeve of the butt joint (5) is provided with a sealing ring (6), the bottom outer wall of the butt joint (5) and the top inner wall of the dust filter return air duct (9) are both provided with matching threaded structures, the intersection surfaces of the butt joint (5) and the dust filter return air duct (9) are both provided with inclined surfaces, and an air inlet (7) is opened at the bottom center of the butt joint (5), and the diameter of the air inlet (7) is set to decrease from top to bottom.

5. The carding dust filter and return air device according to claim 4, characterized in that: The sealing assembly (8) comprises a sealing ball (81), an inner rod (82), an outer rod (83) and a spring (84). The sealing ball (81) is located on the inner side of the air inlet (7). The inner rod (82) is symmetrically hinged on the left and right sides of the sealing ball (81). The outer side of the inner rod (82) is slidingly sleeved with the outer rod (83). A spring (84) is fixedly connected between the outer rod (83) and the inner rod (82). The end of the outer rod (83) away from the sealing ball (81) is hinged to the docking joint (5).

6. The carding dust filter and return air device according to claim 5, characterized in that: The diameter of the sealing ball (81) is greater than the diameter of the bottom of the air inlet (7), and a rubber layer is bonded to the outer side of the lower half of the sealing ball (81).

7. The carding dust filtering and air return device according to claim 1, characterized in that: Two exhaust pipes (12) are inlaid on the top of the bellows (11) and are connected thereto. The outlet end of one exhaust pipe (12) is located inside the workshop, and the outlet end of the other exhaust pipe (12) is located outside the workshop. Two fixing frames (13) are respectively arranged corresponding to the two exhaust pipes (12).

Images