Airflow machine air bellow capable of forming net uniformly
By setting up a bundled structure between the beaters, the problem of uneven flow of glass fiber in the web forming equipment was solved, achieving uniform fiber distribution and improving web forming quality.
Patent Information
- Application Number
- CN202520398584.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-07
AI Technical Summary
In existing fiber-forming equipment, after the glass fiber is broken up, some fibers cannot be subjected to the action of the beater and flow along the inner wall of the box, resulting in uneven fiber formation and affecting the performance of the elastic felt.
A bundled structure is set between the beaters, including a connecting groove, a side guide groove and a conical groove. The side guide groove guides the fibers flowing along the side to the middle discharge groove to ensure that all fibers are evenly distributed.
This achieves uniform distribution of glass fibers, improves the quality of the web and the performance of the elastic felt, and makes the web surface more fluffy.
Smart Images
Figure CN223951354U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pneumatic laying machine, especially a pneumatic laying machine wind box with uniform netting. BACKGROUND
[0002] Pneumatic laying is a process that uses airflow to make fibers separated from the carding part to form a fiber web. The basic method is to use airflow to strip the fibers (blow, suction or both) under the centrifugal force of the carding part, so that the dispersed single fibers pass through an air duct and gradually settle on a drum or screen with small holes due to airflow diffusion and speed reduction to form a fiber web. Elastic felt is also formed by mixing different specifications of glass fibers to form an elastic net with strong elastic performance, thereby achieving the effect of heat insulation.
[0003] The existing netting equipment sets beaters in the box, which can scatter the glass fibers input by the feeding roller and form a thick felt on the transmission net under the action of the fan. Although a thick felt can be formed, only part of the glass fibers will fall in the middle of the two beaters, and part of the glass fibers will flow down along the inner wall of the netting box. This part of the glass fibers that have not been mixed by the beaters will appear uneven and clumped, thereby directly affecting the performance of the elastic felt.
[0004] Therefore, the present application aims to provide a pneumatic laying machine wind box with uniform netting. After the beaters scatter the glass fibers, the scattered glass fibers can be gathered again by the bundling structure to the middle section for remixing, thereby improving the performance of the elastic felt. SUMMARY
[0005] The utility model provides a kind of pneumatic laying machine wind box with uniform netting, which can effectively solve the above problems.
[0006] The utility model is implemented as follows:
[0007] A pneumatic laying machine wind box with uniform netting includes a box, a feed structure is arranged at the left end of the box, an upper fan is arranged at the top of the box, a lower suction structure is arranged at the bottom of the box, and a plurality of beaters are arranged inside the box. The utility model further includes:
[0008] The bundling structure includes a connecting groove arranged below the beaters, the length of the connecting groove is equal to the length of the box, a middle section discharge groove is arranged at the middle section inside the connecting groove, the glass fibers scattered by the beaters fall into the next beater through the middle section discharge groove, side flow guide grooves are arranged at both sides of the middle section discharge groove, the glass fibers that have not been scattered by the beaters fall into the side flow guide grooves, and the glass fibers passing through the side flow guide grooves enter the middle section discharge groove or the side close to the middle section discharge groove on the bottom surface of the side flow guide groove.
[0009] As a further improvement, the middle section blanking groove comprises a tapered groove, the upper and lower ends of the tapered groove are open, and the tapered groove is provided with a connecting belt corresponding to the position of the side flow guide groove.
[0010] As a further improvement, the connecting belt is composed of a closed section and a communicating section, the glass fibers falling through the tapered groove fall under the block of the closed section, and part of the glass fibers flowing from the side flow guide groove flow into the tapered groove from the communicating section.
[0011] As a further improvement, the side flow guide groove is provided with four groups and is arranged in four directions around the tapered groove, and the side flow guide groove comprises a first flow guide section, the lower end of the first flow guide section is connected with a straight section, the lower end of the straight section is connected with a second flow guide section, and the second flow guide section communicates with the communicating section.
[0012] As a further improvement, holes are formed in the first flow guide section, the straight section and the second flow guide section, and the size of the holes is smaller than the size of the glass fibers.
[0013] As a further improvement, the lower end of the middle section blanking groove and the side flow guide groove is fixedly connected with a connecting cover, and the connecting cover communicates with the middle section blanking groove and the side flow guide groove.
[0014] As a further improvement, the connecting cover comprises a middle communication plate communicating with the middle section blanking groove, the two sides of the middle communication plate are respectively connected with side communication plates communicating with the side flow guide groove, and the side communication plates are connected to the bottom of the side flow guide groove through a cover plate.
[0015] As a further improvement, the lower suction structure is located at the middle of the box.
[0016] The beneficial effects of the utility model are:
[0017] In the existing air laying equipment, multiple groups of beaters are usually used to directly scatter glass fibers, and the gathered fibers are uniformly distributed to the net forming end after being scattered, but since the glass fibers are simultaneously affected by the upper fan and the lower suction structure during feeding, it is difficult to control the flow direction, and thus part of the glass fibers cannot be directly affected by the beaters and will directly flow along the inner wall of the box, thereby affecting the quality of the net, therefore, the utility model is provided with the added bunching structure, which is arranged between the two beaters and can guide the glass fibers flowing along the side to the position of the middle section blanking groove through the side flow guide groove, so that all the glass fibers can fall from the position of the middle section blanking groove, and the fallen glass fibers can be affected by the beaters, the glass fibers are more uniformly scattered, and the net surface after net forming is more fluffy. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Fig. 1 is a structural schematic view of the air bellow of the air flow machine of the present application.
[0020] Fig. 2 is a structural schematic view of the cluster structure of the present application. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the following will combine the drawings in the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0023] Referring to Figs. 1-2As shown, a kind of netting uniform air flow machine wind box, comprising: a box 10, the left end of the box 10 is provided with a feed structure 20, the top of the box 10 is provided with an upper fan 30, the bottom of the box 10 is provided with a lower suction structure 40, the inside of the box 10 is provided with several beaters 50, also include: cluster structure 60, including the connecting groove 61 being arranged below the beater 50, the length of the connecting groove 61 is equal to the length of the box 10, the middle section of the inside of the connecting groove 61 is provided with a middle section discharge groove 62, the glass fiber scattered by the beater 50 falls into the next beater 50 through the middle section discharge groove 62, the two sides of the middle section discharge groove 62 are provided with side flow guide groove 63, the glass fiber not scattered by the beater 50 falls into the side flow guide groove 63, and the glass fiber through the side flow guide groove 63 enters the middle section discharge groove 62 or the side of the bottom surface of the side flow guide groove 63 close to the middle section discharge groove 62.
[0024] In the netting stage, the opened glass fiber enters from the position of the feed structure 20, is immediately affected by the upper fan 30 and the lower suction structure 40, so that the glass fiber goes down, is affected by the beater 50, and whether the glass fiber is along the middle or the side, is concentrated to the area of the beater 50 by the concentration effect of the cluster structure 60.
[0025] In the existing air laying equipment, a plurality of beaters are directly used to scatter glass fiber, and the gathered fiber is uniformly distributed to the netting end after being scattered, but since the glass fiber is simultaneously affected by the upper fan 30 and the lower suction structure 40 during feeding, it is difficult to control the flow direction, so part of the glass fiber cannot be directly affected by the beater 50, and directly flows down along the inner wall of the box 10, thereby affecting the quality of the netting, therefore, the cluster structure 60 is additionally arranged between two beaters 50 in the embodiment, the glass fiber flowing along the side is guided to the position of the middle section discharge groove 62 through the side flow guide groove 63, so that all the glass fiber can fall from the position of the middle section discharge groove 62, and the fallen glass fiber can be affected by the beater 50, the glass fiber is more uniformly dispersed, and the net surface after netting is more fluffy.
[0026] In order to facilitate the smooth sliding of the glass fiber in the middle region, the middle section discharge groove 62 comprises a tapered groove 621, the upper and lower ends of the tapered groove 621 are open, the tapered groove 621 is provided with a connecting band 622 corresponding to the position of the side flow guide groove 63, and the glass fiber slides along the tapered groove 621, so as to realize rapid discharge.
[0027] On the outside of the tapering groove 621, a connecting band 622 is formed, specifically, the connecting band 622 is composed of a closed section 6221 and a communicating section 6222, the glass fibers falling through the tapering groove 621 will be blocked by the closed section 6221 and fall into the tapering groove 621 from the communicating section 6222, so that the effect of not affecting the flow of the glass fibers and absorbing the glass fibers from the side can be achieved.
[0028] When the glass fibers are in the side flow guide groove 63, they are not all flat and slide down, but need to be hindered to form an orderly and intermittent feeding, therefore, the side flow guide groove 63 is provided with four groups and is arranged in four directions of the tapering groove 621, the side flow guide groove 63 comprises a first flow guide section 631, the lower end of the first flow guide section 631 is connected with a flat section 632, the lower end of the flat section 632 is connected with a second flow guide section 633, the second flow guide section 633 communicates with the communicating section 6222, so that a three-section feeding can be formed, and under the premise of continuous feeding of the upper end, the glass fibers will not accumulate in a certain area.
[0029] In order to enable the glass fibers on the side to form orderly feeding while not affecting the downward flow of the airflow, therefore, the first flow guide section 631, the flat section 632 and the second flow guide section 633 in the embodiment are all provided with holes, the size of the holes is smaller than the size of the glass fibers, so that the airflow can smoothly pass through while blocking the glass fibers, forming a virtuous cycle.
[0030] Although most of the glass fibers are absorbed into the tapering groove 621 by the communicating section 6222, part of them will still be fed through the side flow guide groove 63, therefore, the bottom of the bunching structure 60 is provided with two feeding outlets, but although the feeding is through two sections, all the glass fibers are still output from the bottom, therefore, the lower end of the middle feeding groove 62 and the side flow guide groove 63 in the embodiment are both fixedly connected with a connecting cover 64, the connecting cover 64 communicates with the middle feeding groove 62 and the side flow guide groove 63.
[0031] In the process of feeding in different areas, the connecting cover 64 comprises a middle through plate 641 communicating with the middle feeding groove 62, the two sides of the middle through plate 641 are respectively connected with side through plates 642 communicating with the side flow guide groove 63, the side through plates 642 are connected to the bottom of the side flow guide groove 63 through a cover plate 643, the glass fibers in the middle area are output from the position of the middle through plate 641, and the glass fibers in the side area are output from the position of the side through plate 642.
[0032] In order to ensure the effect of bottom air suction, the lower air suction structure 40 is located in the middle of the box body 10.
[0033] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A uniformly meshed airflow fan box, characterized in that, include: A box (10) is provided with a feeding structure (20) at the left end of the box (10), an upper fan (30) is provided at the top of the box (10), a lower suction structure (40) is provided at the bottom of the box (10), and several beaters (50) are provided inside the box (10). It also includes: The bundle structure (60) includes a connecting groove (61) located below the beater (50). The length of the connecting groove (61) is equal to the length of the housing (10). A middle section feeding groove (62) is provided in the middle section of the connecting groove (61). The glass fibers broken by the beater (50) fall into the next beater (50) through the middle section feeding groove (62). Side guide grooves (63) are provided on both sides of the middle section feeding groove (62). Glass fibers that have not been broken by the beater (50) will fall into the side guide groove (63). Glass fibers passing through the side guide groove (63) will enter the middle section feeding groove (62) or the side of the bottom surface of the side guide groove (63) close to the middle section feeding groove (62).
2. The uniformly meshed airflow fan box according to claim 1, characterized in that, The middle section feeding trough (62) includes a conical trough (621), the upper and lower ends of the conical trough (621) are open, and the conical trough (621) is provided with a connecting strip (622) at the position corresponding to the side guide trough (63).
3. The uniformly meshed airflow fan box according to claim 2, characterized in that, The connecting strip (622) consists of a closed section (6221) and a connecting section (6222). The glass fibers falling through the conical groove (621) will fall under the obstruction of the closed section (6221), and some of the glass fibers flowing in from the side guide groove (63) will flow into the conical groove (621) from the connecting section (6222).
4. The uniformly meshed airflow fan box according to claim 3, characterized in that, The side guide grooves (63) are provided in four groups and are arranged in four directions around the conical groove (621). The side guide grooves (63) include a first guide section (631). The lower end of the first guide section (631) is connected to a straight section (632). The lower end of the straight section (632) is connected to a second guide section (633). The second guide section (633) is connected to the connecting section (6222).
5. The uniformly meshed airflow fan box according to claim 4, characterized in that, Holes are formed in the first guide section (631), the straight section (632), and the second guide section (633), and the size of the holes is smaller than that of the glass fiber.
6. The uniformly meshed airflow fan box according to claim 4, characterized in that, A connecting cover (64) is fixedly connected to the lower end of both the middle section discharge trough (62) and the side guide trough (63), and the connecting cover (64) is connected to both the middle section discharge trough (62) and the side guide trough (63).
7. A uniformly meshed airflow fan box according to claim 6, characterized in that, The connecting cover (64) includes a central through plate (641) communicating with the middle section discharge trough (62). The two sides of the central through plate (641) are respectively connected to side through plates (642) communicating with the side guide trough (63). The side through plates (642) are connected to the bottom of the side guide trough (63) through a cover plate (643).
8. The uniformly meshed airflow fan box according to claim 1, characterized in that, The downward suction structure (40) is located in the middle of the housing (10).