A double air pressure vibration pneumatic cotton box

Abstract

The invention discloses a double-pressure vibration pneumatic cotton box, comprising a lateral movable cotton feeding mechanism, a mesh belt type cotton condensing mechanism and a lower cotton box which are arranged and connected from top to bottom, the lateral movable cotton feeding mechanism comprising a left sealing belt winding roller, a right sealing belt winding roller and a sealing belt, the two ends of the sealing belt are respectively wound on the left sealing belt winding roller and the right sealing belt winding roller, the upper end surface of the sealing belt is connected with a moving trolley, the upper end of the moving trolley is connected to a cotton feeding port, the mesh belt type cotton condensing mechanism comprises a mesh belt driven by a mesh belt guide roller for transmission and a cotton storage area located on one side of the mesh belt, the mesh belt type cotton condensing mechanism also comprises a dust discharge port located on the other side of the mesh belt, the lower cotton box comprises a cotton feeding channel connected to the cotton storage area, a cotton feeding roller located below the cotton feeding channel, a corner nail cylinder located below the cotton feeding roller, a cotton outlet roller located below the corner nail cylinder, and an air flow channel is provided between the corner nail cylinder and the cotton outlet roller. The cotton feeding of the invention has good uniformity, which can ensure that the fiber density of the door width is consistent.

Description

Technical Field

[0001] The invention relates to the technical field of pneumatic cotton boxes, in particular to a double air pressure vibration pneumatic cotton box. Background Art

[0002] The pneumatic cotton box is the first step in fiber forming before web formation. It is installed in front of the web forming machine, and the fibers in the pre-storage cotton box are fed into the upper cotton box of the machine through the pipeline, and the output mat cotton is fed to the web forming machine. The existing pneumatic cotton box has poor cotton feeding uniformity and fiber density consistency, and there are abnormal situations such as cotton blockage, which makes it impossible to achieve uninterrupted cotton supply and low efficiency. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art and to provide a double-pressure vibration pneumatic cotton box; the lateral uniformity of the cotton feeding of the lateral moving cotton feeding mechanism is good; the mesh-belt type cotton condensing mechanism has a simple structure and is easy to maintain, and operates stably, thereby realizing uninterrupted cotton supply and eliminating abnormal situations such as cotton blockage; the lower cotton box can ensure that the density of the fibers on the entire width is consistent, thereby providing a uniform and stable mat cotton for the web forming machine.

[0004] In order to achieve the above object, the present invention adopts the following technical solution:

[0005] A double-pressure vibration pneumatic cotton box, comprising a transversely movable cotton feeding mechanism, a mesh belt type cotton condensing mechanism and a lower cotton box which are arranged from top to bottom and connected, the transversely movable cotton feeding mechanism comprising a left sealing belt winding roller, a right sealing belt winding roller and a sealing belt, the two ends of the sealing belt are respectively wound on the left sealing belt winding roller and the right sealing belt winding roller, the upper end surface of the sealing belt is connected to a moving trolley, the upper end of the moving trolley is connected to a cotton inlet, the mesh belt type cotton condensing mechanism comprises a mesh belt driven by a mesh belt guide roller for transmission and a cotton storage located on one side of the mesh belt The cotton inlet and the movable trolley are connected to the cotton storage area through a sealing belt. The mesh belt in the cotton storage area moves downward and a sealing device is provided on the periphery of the mesh belt. The mesh belt type cotton condensing mechanism also includes a dust exhaust port on the other side of the mesh belt. The dust exhaust port and the cotton storage area are respectively located on both sides of the mesh belt. The lower cotton box includes a cotton inlet channel connected to the cotton storage area, a cotton inlet roller below the cotton inlet channel, a corner nail cylinder below the cotton inlet roller, and a cotton outlet roller below the corner nail cylinder. An air flow channel is provided between the corner nail cylinder and the cotton outlet roller.

[0006] The transversely movable cotton feeding mechanism comprises a cotton feeding mechanism frame, the cotton feeding mechanism frame is installed with an upper profile and a lower profile, the movable trolley moves along the upper profile, and the sealing belt moves along the lower profile.

[0007] The upper profile includes two groups spaced apart from each other, the cotton inlet moves along a group of upper profiles located at the upper part, the moving trolley moves back and forth between the upper and lower groups of upper profiles, the lower profile includes two groups spaced apart from each other and the lower profile is located below the upper profile, and the sealing belt moves back and forth between the upper and lower groups of lower profiles.

[0008] The two groups of lower profiles are both equipped with sealing strips, which are respectively in contact with the upper and lower end surfaces of the sealing belt.

[0009] The cotton inlet and the moving trolley are both vertically connected structures, and the sealing belt is provided with an opening, which is connected to the bottom of the moving trolley.

[0010] The mesh belt type cotton condensing mechanism comprises a cotton condensing mechanism frame, on which a brush roller and a garbage bin are installed, wherein the outer wall of the brush roller fits the inner surface of the mesh belt, and the garbage bin is located directly below the brush roller.

[0011] The lower cotton box comprises a lower cotton box frame, a vibrator is installed on the lower cotton box frame, the vibrator is provided with a through hole, the lower part of the air flow channel is connected to the vibrator, and the air flow channel passes through the corner nail cylinder.

[0012] An air inlet is arranged at the top of the air flow channel, a static pressure chamber is arranged below the air inlet, and a plurality of wind shields are arranged below the static pressure chamber.

[0013] The wind shields are staggered and distributed, and the extension line of the lower end of the wind shield on one side extends into the opening formed by the wind shield on the other side.

[0014] The beneficial effects of the present invention are as follows: the lateral uniformity of the cotton feeding of the lateral moving cotton feeding mechanism is good; the mesh-belt type cotton condensing mechanism has a simple structure and is easy to maintain, and operates stably, achieving uninterrupted cotton supply without abnormal situations such as cotton blockage; the lower cotton box can ensure that the density of the fibers on the entire width is consistent, providing a uniform and stable mat cotton for the web-forming machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is a front view of the transversely movable cotton feeding mechanism of the present invention;

[0017] Figure 3 It is a side view of the transversely movable cotton feeding mechanism of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the mesh belt type cotton condensing mechanism of the present invention;

[0019] Figure 5 for Figure 1 The enlarged view of point A in the middle;

[0020] Figure 6 is a schematic side view of the air flow channel of the present invention;

[0021] Figure 7 It is a front view schematic diagram of the air flow channel of the present invention.

[0022] In the figure: a laterally movable cotton feeding mechanism 1, a cotton feeding mechanism frame 11, an upper profile 12, a lower profile 13, a left sealing belt winding roller 14, a right sealing belt winding roller 15, a sealing belt 16, a left guide roller 17, a right guide roller 18, a mobile trolley 19, a cotton inlet 110, a sealing strip 111, a mesh belt type cotton condensing mechanism 2, a cotton condensing mechanism frame 21, a mesh belt guide roller 22, a mesh belt 23, a brush roller 24, a garbage bin 25, a mesh belt tensioning mechanism 26, a cotton storage area 27, a sealing device 28, a dust exhaust port 29, a lower cotton box 3, a lower cotton box frame 31, a cotton feeding channel 32, a cotton feeding roller 33, a corner nail cylinder 34, a vibrator 35, a cotton outlet roller 36, an air flow channel 37, an air inlet 38, a static pressure chamber 39, a wind shield 310, fibers 4, cotton condensing 41, and air 5. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0024] like Figure 1 to Figure 7 As shown, a double-pressure vibration pneumatic cotton box includes a lateral moving cotton feeding mechanism 1, a net-belt type cotton condensing mechanism 2 and a lower cotton box 3 which are arranged and connected from top to bottom. The lateral moving cotton feeding mechanism 1 and the net-belt type cotton condensing mechanism 2 form an upper cotton box. The fibers 4 can enter the upper cotton box laterally and uniformly through the lateral moving cotton feeding mechanism 1. The main cotton passage is made of stainless steel plate, which is smooth and burr-free, and does not hook the fibers 4.

[0025] The transverse moving cotton feeding mechanism 1 comprises a left sealing belt winding roller 14, a right sealing belt winding roller 15 and a sealing belt 16. The two ends of the sealing belt 16 are respectively wound on the left sealing belt winding roller 14 and the right sealing belt winding roller 15. The left sealing belt winding roller 14 moves the sealing belt 16 to the left, and the right sealing belt winding roller 15 moves the sealing belt 16 to the right. For example, when the width is 1.5 meters, the sealing belt 16 only needs to move within a range of 1.5 meters. The left sealing belt winding roller 14 and the right sealing belt winding roller 15 are driven by servo motors and run regularly in a set program (reciprocating within the width range). The amount of transverse cotton feeding can be changed by setting the walking speed, thereby changing the transverse uniformity of the cotton feeding.

[0026] The laterally movable cotton feeding mechanism 1 is connected to the cotton feeding system through a pipeline. A pressure sensor and a pressure gauge are installed in the cotton distribution pipeline. The amount of cotton fed from the preparatory cotton storage box to the cotton box is controlled according to the pressure to ensure that the pressure of the upper cotton box is stable and the cotton density is uniform. The pressure setting range of the upper cotton box is generally 300-1000Pa (i.e., the set pressure for continuous cotton feeding), and the pressure fluctuation should float orderly above and below the set value. The laterally movable cotton feeding mechanism 1 is equipped with two servo motors and a sealing belt 16. The two servo motors drive the left sealing belt winding roller 14 and the right sealing belt winding roller 15 respectively. In order to improve the stability of the system and reduce the fluctuation of the cotton layer density, a continuous cotton feeding device is used to make the cotton feeding roller of the preparatory cotton storage box perform stepless speed regulation according to the pressure change of the cotton distribution pipeline, thereby ensuring the continuous supply of the entire system.

[0027] The laterally movable cotton feeding mechanism 1 comprises a cotton feeding mechanism frame 11, on which a left guide roller 17 and a right guide roller 18 are installed, and a sealing belt 16 is transmitted through the left guide roller 17 and the right guide roller 18, wherein the left guide roller 17 is located on a side close to the left sealing belt winding roller 14, and the right guide roller 18 is located on a side close to the right sealing belt winding roller 15, and the left guide roller 17 and the right guide roller 18 are horizontally opposite to each other and the sealing belt 16 located between the left guide roller 17 and the right guide roller 18 is horizontal.

[0028] The upper end surface of the sealing belt 16 is connected to a movable trolley 19, the upper end of the movable trolley 19 is connected to the cotton inlet 110, and the cotton inlet 110 is connected to a preparatory cotton storage box through a hose. The fibers 4 in the preparatory cotton storage box enter the cotton inlet 110 and the movable trolley 19 along with the air 5 and pass through the sealing belt 16 to enter the mesh-belt type cotton condensing mechanism 2.

[0029] The cotton feeding mechanism frame 11 is installed with an upper profile 12 and a lower profile 13 , the moving trolley 19 moves along the upper profile 12 , and the sealing belt 16 moves along the lower profile 13 .

[0030] The upper profile 12 includes two groups spaced apart from each other, the cotton inlet 110 moves along a group of upper profiles 12 located at the upper part, the moving trolley 19 reciprocates between the upper and lower groups of upper profiles 12, the lower profile 13 includes two groups spaced apart from each other and the lower profile 13 is located below the upper profile 12, and the sealing belt 16 reciprocates between the upper and lower groups of lower profiles 13. Both the upper profile 12 and the lower profile 13 can play a supporting and guiding role.

[0031] The two groups of lower profiles 13 are both equipped with sealing strips 111, and the sealing strips 111 are respectively attached to the upper and lower end surfaces of the sealing belt 16. The sealing strips 111 of the two lower profiles 13 located at the upper part are attached to the upper end surface of the sealing belt 16, and the sealing strips 111 of the two lower profiles 13 located at the lower part are attached to the lower end surface of the sealing belt 16. The sealing strips 111 can play a sealing role around the sealing belt 16 to prevent the fibers 4 from escaping from the gaps around the sealing belt 16.

[0032] The cotton inlet 110 and the moving trolley 19 are both vertically connected structures, and the sealing belt 16 is provided with an opening, which is connected to the bottom of the moving trolley 19.

[0033] The mesh belt type condensing mechanism 2 includes a mesh belt 23 driven by a mesh belt guide roller 22 for transmission and a cotton storage area 27 located on one side of the mesh belt 23. The cotton inlet 110 and the moving trolley 19 are connected to the cotton storage area 27 through a sealing belt 16. The mesh belt type condensing mechanism 2 includes a condensing mechanism frame 21. The mesh belt guide rollers 22 are installed on the condensing mechanism frame 21. Figure 4 For reference, the cotton storage area 27 is located on the left side of the mesh belt 23, and the mesh belt 23 is conveyed counterclockwise. The fibers 4 falling from the opening of the sealing belt 16 are gradually accumulated into condensed cotton 41 at the bottom of the cotton storage area 27.

[0034] The mesh belt type condensing mechanism 2 has a simple structure, is easy to maintain, operates stably, realizes uninterrupted cotton supply, and does not have abnormal conditions such as cotton blocking. The running speed of the mesh belt 23 is controlled according to the pressure change of the lower cotton box 3 to ensure stable cotton supply. The dust outlet 29 can be connected to the dust removal center to maintain dust-free production in the workshop.

[0035] The mesh belt 23 in the cotton storage area 27 moves downward and a sealing device 28 is provided on the periphery of the mesh belt 23. The mesh belt type cotton condensing mechanism 2 also includes a dust discharge port 29 located on the other side of the mesh belt 23. The dust discharge port 29 and the cotton storage area 27 are respectively located on both sides of the mesh belt 23. Figure 4 For reference, the sealing device 28 seals the outer periphery of the vertical mesh belt 23 on the left side and the frame 21 of the condensing mechanism, that is, the air 5 coming from the preparatory cotton storage box can only pass through the mesh holes of the vertical mesh belt 23 on the left side and finally escape from the dust outlet 29. When the air 5 passes through the vertical mesh belt 23 on the left side, the fibers 4 are uniformly adsorbed on the surface of the vertical mesh belt 23 on the left side. At the same time, the moving direction of the mesh belt 23 at this location is downward, that is, the fibers 4 are uniformly driven downward to form condensed cotton 41. The mesh belt 23 performs a circular motion, which ensures that the incoming air 5 can be discharged at any time, and ensures the density of the fibers 4 in the upper cotton box. The density of the fibers 4 can be adjusted by setting the internal air pressure of the upper cotton box, thereby realizing the initial forming of the fibers 4.

[0036] The condensing mechanism frame 21 is provided with a mesh belt tensioning mechanism 26 , through which the tension of the mesh belt 23 can be adjusted.

[0037] The condensing mechanism frame 21 is equipped with a brush roller 24 and a garbage hopper 25. The outer wall of the brush roller 24 is in contact with the inner surface of the mesh belt 23. The garbage hopper 25 is located directly below the brush roller 24. The fibers 4 adsorbed on the inner surface of the mesh belt 23 are brushed off by the brush roller 24 and fall into the garbage hopper 25. The garbage hopper 25 can be directly drawn out of the condensing mechanism frame 21 for cleaning.

[0038] The lower cotton box 3 includes a cotton feeding channel 32 connected to the cotton storage area 27, a cotton feeding roller 33 located below the cotton feeding channel 32, a corner pin cylinder 34 located below the cotton feeding roller 33, and a cotton outlet roller 36 located below the corner pin cylinder 34, and an airflow channel 37 is provided between the corner pin cylinder 34 and the cotton outlet roller 36. The lower cotton box 3 includes a lower cotton box frame 31, and a vibrator 35 is installed on the lower cotton box frame 31. The vibrator 35 is provided with a through hole, and the lower part of the airflow channel 37 is connected to the vibrator 35, and the airflow channel 37 passes through the corner pin cylinder 34.

[0039] The vibrator 35 has many small holes to help expel the air in the falling fibers 4. The vibrator 35 maintains a certain density of the fiber layer by vibration. The vibrator 35 can also eliminate the gaps generated during the accumulation of the fibers 4 to ensure that the density of the fibers 4 on the entire door width is consistent.

[0040] The initially formed fibers 4 are driven by the mesh belt 23 to enter the cotton feeding mechanism of the lower cotton box 3. The cotton feeding mechanism includes two cotton feeding rollers 33 and a corner nail cylinder 34. Figure 5 For reference, the cotton feed roller 33 on the left rotates clockwise, the cotton feed roller 33 on the right rotates counterclockwise, and the corner nail cylinder 34 rotates counterclockwise. In this way, the fibers 4 can be fed into the lower cotton box 3 evenly. Since there are nails on the surface of the corner nail cylinder 34 and a high-speed airflow is arranged on the surface of the corner nail cylinder 34, the fibers 4 are forced to quickly leave the corner nail cylinder 34 and fall rapidly along the airflow. The high-speed airflow is discharged through the vibrator 35 (there are exhaust holes on both sides of the vibrator 35). The fibers 4 that have fallen are evenly accumulated in the lower cotton box 3, and the fiber layer is kept at a certain density through the vibrator 35. The vibrator 35 can also eliminate the gaps generated during the accumulation of the fibers 4 to ensure that the density of the fibers 4 is consistent across the entire width.

[0041] The cotton inlet roller 33 is covered with a Great Wall-shaped sawtooth needle cloth, and the shaft head is directly connected to the gear reduction motor. The spacing between the cotton inlet rollers 33 is adjustable, and the rotation speed of the cotton inlet roller 33 is controlled according to the pressure change of the lower cotton box 3 to ensure the stability of the pressure of the lower cotton box 3. The corner nail cylinder 34 is planted with four rows of spirally arranged corner nails, which can fully and gently loosen the fiber 4 with little damage to the fiber. It is driven by the motor through a flat belt, and a detection switch is installed at the belt pulley to prevent the corner nail from stopping the padder.

[0042] The top of the airflow channel 37 is provided with an air inlet 38, and a circulating fan is provided in the air inlet 38. The airflow channel 37 is provided with a static pressure chamber 39 below the air inlet 38, and the airflow channel 37 is provided with a plurality of wind shields 310 below the static pressure chamber 39. The impeller and volute of the circulating fan are both made of cast aluminum. The airflow generated by the circulating fan is diffused through the static pressure chamber 39 to achieve a substantially uniform horizontal distribution within the width of the machine. The static pressure chamber 39 can be opened as a whole for easy maintenance and cleaning.

[0043] The windshields 310 are staggered, and the lower end extension line of the windshield 310 on one side extends into the opening formed by the windshield 310 on the other side. Since the airflow coming from the two air inlets 38 needs to cover an area of ​​a certain width (for example, a width of 1.5 meters), the airflow coming out of the static pressure chamber 39 can form a uniform airflow in an area of ​​a certain width after passing through multiple windshields 310, thereby ensuring the density consistency of the fibers 4 on the entire door width.

[0044] The lower cotton box 3 uses a fan to circulate air through the static pressure chamber 39 to make the pressure in the entire machine width uniform and ensure the uniform density of the fiber 4. A pressure sensor is used to control the speed of the cotton feeding roller 33 according to the pressure change of the lower cotton box 3 to ensure that the pressure of the lower cotton box 3 is more stable and the output mat cotton is more uniform. The pressure of the lower cotton box 3 is generally set to 120-300Pa, and the pressure fluctuation should be controlled within the range of ±10Pa to provide a uniform and stable mat cotton for the web forming machine.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A double air pressure vibration pneumatic cotton box, Features: The invention comprises a transversely movable cotton feeding mechanism (1), a mesh belt type cotton condensing mechanism (2) and a lower cotton box (3) which are arranged from top to bottom and are connected to each other. The transversely movable cotton feeding mechanism (1) comprises a left sealing belt winding roller (14), a right sealing belt winding roller (15) and a sealing belt (16). The two ends of the sealing belt (16) are respectively wound on the left sealing belt winding roller (14) and the right sealing belt winding roller (15). The upper end surface of the sealing belt (16) is connected to a movable trolley (19). The upper end of the movable trolley (19) is connected to a cotton feeding port (110). The mesh belt type cotton condensing mechanism (2) comprises a mesh belt (23) driven by a mesh belt guide roller (22) for transmission and a cotton storage area (27) located on one side of the mesh belt (23). The cotton feeding port (110) and the movable trolley (19) are connected to each other. The mesh belt (23) is connected to the cotton storage area (27) through a sealing belt (16); the mesh belt (23) in the cotton storage area (27) moves downward and a sealing device (28) is provided on the periphery of the mesh belt (23); the mesh belt type cotton condensing mechanism (2) further comprises a dust discharge port (29) located on the other side of the mesh belt (23); the dust discharge port (29) and the cotton storage area (27) are respectively located on both sides of the mesh belt (23); the lower cotton box (3) comprises a cotton feed channel (32) connected to the cotton storage area (27); a cotton feed roller (33) located below the cotton feed channel (32); a corner pin cylinder (34) located below the cotton feed roller (33); and a cotton discharge roller (36) located below the corner pin cylinder (34); an air flow channel (37) is provided between the corner pin cylinder (34) and the cotton discharge roller (36); The transversely movable cotton feeding mechanism (1) comprises a cotton feeding mechanism frame (11), the cotton feeding mechanism frame (11) being equipped with an upper profile (12) and a lower profile (13), the movable trolley (19) moving along the upper profile (12), and the sealing belt (16) moving along the lower profile (13); The lower cotton box (3) comprises a lower cotton box frame (31), the lower cotton box frame (31) being equipped with a vibrator (35), the vibrator (35) being provided with a through hole, the lower part of the air flow channel (37) being connected to the vibrator (35), and the air flow channel (37) passing through the corner nail cylinder (34).

2. A double-pressure vibration pneumatic cotton box as claimed in claim 1, Features: The upper profile (12) includes two groups spaced apart from each other, the cotton inlet (110) moves along the group of upper profiles (12) located at the upper part, the moving trolley (19) moves back and forth between the upper and lower groups of upper profiles (12), the lower profile (13) includes two groups spaced apart from each other, the lower profile (13) is located below the upper profile (12), and the sealing belt (16) moves back and forth between the upper and lower groups of lower profiles (13).

3. A double air pressure vibration pneumatic cotton box as claimed in claim 2, Features: The two groups of lower profiles (13) are both equipped with sealing strips (111), and the sealing strips (111) are respectively fitted to the upper and lower end surfaces of the sealing belt (16).

4. A double air pressure vibration pneumatic cotton box as claimed in claim 1, Features: The cotton inlet (110) and the movable trolley (19) are both vertically connected structures, and the sealing belt (16) is provided with an opening, and the opening is connected to the bottom of the movable trolley (19).

5. A double-pressure vibration pneumatic cotton box as claimed in claim 1, Features: The mesh belt type cotton condensing mechanism (2) comprises a cotton condensing mechanism frame (21), the cotton condensing mechanism frame (21) being equipped with a brush roller (24) and a garbage hopper (25), the outer wall of the brush roller (24) being in contact with the inner surface of the mesh belt (23), and the garbage hopper (25) being located directly below the brush roller (24).

6. A double-pressure vibration pneumatic cotton box as claimed in claim 1, Features: An air inlet (38) is provided at the top of the air flow channel (37), a static pressure chamber (39) is provided below the air inlet (38) in the air flow channel (37), and a plurality of wind shields (310) are provided below the static pressure chamber (39) in the air flow channel (37).

7. A double-pressure vibration pneumatic cotton box as claimed in claim 6, Features: The wind shields (310) are staggered, and the extension line of the lower end of the wind shield (310) on one side extends into the opening formed by the wind shield (310) on the other side.

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