Anti-flanging structure of cross lapping machine
By using air blowing in the cross-laying machine to flatten the edges of the fiber web, and by using a variable frequency fan and a wind box structure to achieve uniform air blowing on the fiber web, the problem of edge turning at the overlapping interface of the fiber web is solved, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520174728.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Cross-laying machines are prone to edge flipping at the overlapping interfaces of fiber webs, which reduces production efficiency and needs to be addressed.
The upward-curved edges of the fiber web are flattened and restored by air blowing. The variable frequency fan and air box structure are used to achieve uniform control of wind speed and air volume, so as to avoid damage to the fiber web by high-speed airflow.
It improves the production efficiency and pass rate of fiber webs, and the equipment modification is simple and reliable, suitable for upgrading existing equipment.
Smart Images
Figure CN223723348U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the field of lapper, in particular to a kind of anti-flanging structure of cross lapper. BACKGROUND
[0002] Lapper is used to fold and lay the fiber web of carding machine evenly to the required width and thickness, when lapper works, the output fiber web is prone to flanging at the interface of fiber web overlap due to the internal airflow influence caused by trolley reciprocating motion and bottom curtain output speed variation. It needs to be reprocessed for flanging, which greatly reduces production efficiency.
[0003] Therefore, a kind of anti-flanging technical scheme for cross lapper is needed, which can solve the above problems. CONTENT OF THE INVENTION
[0004] In order to solve the deficiencies of the prior art, the present application provides an anti-flanging structure for cross lapper, which uses wind blowing to flatten and reset the flanging, without the need for reprocessing, greatly improving production efficiency.
[0005] The technical effects achieved by the present application are realized by the following scheme:
[0006] According to the first aspect of the present application, an anti-flanging structure of cross lapper is provided, comprising a machine body, a lapper curtain is arranged in the machine body, one end of the lapper curtain extends out of the machine body, a compensation device is arranged above the machine body on the side of the lapper curtain extension, and the compensation device is used for blowing air towards the lapper curtain.
[0007] By this scheme, the flanging of the fiber web on both sides is flattened by blowing air, and the fiber web is laid on the lapper curtain without the need for reprocessing, which helps to improve the production efficiency of the fiber web.
[0008] Preferably, the compensation device comprises a variable frequency fan and a wind box, the air outlet of the variable frequency fan is communicated to the wind box, and the wind box is used for blowing air evenly on the lapper curtain.
[0009] By this scheme, the variable frequency fan can adjust the wind speed according to the size of the fiber web, so as to adjust to the best flattening performance; the wind box can slow down the wind speed to avoid damage to the fiber web caused by high-speed airflow, and uniform blowing can improve the quality of the fiber web and avoid defects such as surface depression.
[0010] Preferably, the variable frequency fan is connected to a shunt pipe through a tee, and the shunt pipe is respectively communicated to the left and right sides of the wind box.
[0011] By this scheme, the shunt pipe can pre-guide the wind to ensure the uniformity of wind volume and wind speed on the left and right sides, and further improve the uniformity of blowing.
[0012] Preferably, the wind box is provided with an air inlet cavity and an air outlet cavity, the air inlet cavity is separated from the air outlet cavity by a first air uniformizing plate, and a plurality of first air vents are uniformly arranged on the first air uniformizing plate.
[0013] Through the scheme, the air inlet cavity can be uniformly treated in advance, and after ensuring that the air pressure is consistent everywhere in the air inlet cavity, the air is discharged into the air outlet cavity through the first air vents, so that the air speed blown out by each first air vent is consistent.
[0014] Preferably, the bottom of the air outlet cavity is provided with a second air uniformizing plate, the second air uniformizing plate is uniformly provided with second air vents, and the first air vents and the second air vents are arranged alternately.
[0015] Through the scheme, the second air uniformizing plate can further uniformly treat the air, and the two kinds of air vents arranged alternately can avoid that the high-speed airflow discharged through the second air vents directly through the first air vents, so that the fiber web is damaged due to too large air speed or uneven air speed.
[0016] Preferably, the bottom of the second air uniformizing plate is provided with a baffle plate on both sides, the baffle plate is slidably connected with the bottom surface of the second air uniformizing plate, and is used for adjusting the width of the air blowing.
[0017] Through the scheme, the distance adjustment between the baffle plates can adapt to the width adjustment of the machine body, so as to improve the application range of the compensation device.
[0018] According to an embodiment of the present application, the beneficial effects of the anti-flanging structure of the cross-laying machine are that the anti-flanging effect of the fiber web is realized by creatively using the air blowing mode, the production efficiency and the qualified rate are greatly improved, the equipment is convenient to modify, simple and reliable to use, and the existing equipment can be conveniently modified and upgraded. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and those skilled in the art can obtain other drawings according to these drawings without creating laborious work.
[0020] Figure 1 FIG. 1 is a schematic view of an anti-flanging structure of a cross-laying machine according to an embodiment of the present application;
[0021] Figure 2 FIG. 2 is a schematic view of a compensation device in the cross-laying machine according to an embodiment of the present application; Figure 1 FIG. 3 is a schematic view of a side structure of the compensation device in the cross-laying machine according to an embodiment of the present application;
[0022] Figure 3 FIG. 4 is a schematic view of a compensation device in the cross-laying machine according to another embodiment of the present application; Figure 2Cross-sectional structure of a stroke box;
[0023] Figure 4 For Figure 3 Structure diagram of a first uniformity plate. DETAILED DESCRIPTION
[0024] For the purpose, technical solutions and advantages of the present application to be more clear, the technical solutions of the present application will be described clearly and completely below in combination with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.
[0025] As Figures 1 to 4 shown, the anti-flap structure of the cross-lapper in an embodiment of the present application includes a machine body 100, the machine body 100 is provided with a lapper curtain 200, one end of the lapper curtain 200 extends out of the machine body 100, a compensation device 400 is arranged above the machine body 100 on the side where the lapper curtain 200 extends out, and the compensation device 400 is used for blowing air towards the lapper curtain 200.
[0026] Through the scheme of the embodiment, the edges of the fiber web 300 on both sides are flattened in the form of blowing air, so as to be spread on the lapper curtain 200, without the need for reprocessing, which helps to improve the production efficiency of the fiber web 300.
[0027] In an embodiment of the present application, the compensation device 400 includes a variable frequency fan and an air box, the air outlet of the variable frequency fan is communicated to the air box, and the air box is used for blowing air uniformly to the lapper curtain 200. The variable frequency fan can adjust the air speed according to the different specifications and sizes of the fiber web 300, so as to adjust to the best flattening performance; the air box can slow down the air speed to avoid damage caused by high-speed airflow to the fiber web 300, and uniform blowing can improve the quality of the fiber web 300 and avoid defects such as surface depression.
[0028] The air box in the embodiment is made of, for example, stainless steel, has high strength and corrosion resistance, and can improve the service life.
[0029] In an embodiment of the present application, the variable frequency fan is connected to a shunt pipe through a tee 403, and the shunt pipe is respectively communicated to the left and right sides of the air box. The shunt pipe can pre-guide the air to ensure the uniformity of the air volume and air speed on the left and right sides, and further improve the uniformity of blowing air.
[0030] In other embodiments, the tee 403 can be replaced, and more pipelines are branched out to be uniformly communicated to the air box, so that the uniformity of air is better.
[0031] In an embodiment of the present application, the wind box is provided with an air inlet cavity 401 and an air outlet cavity 402, the air inlet cavity 401 is separated from the air outlet cavity 402 by a first air uniformizing plate 410, and the first air uniformizing plate 410 is uniformly provided with a plurality of first air vents 411. The air inlet cavity 401 can be uniformly treated in advance, and after ensuring that the air pressure is consistent everywhere in the air inlet cavity 401, the air is discharged into the air outlet cavity 402 through the first air vents 411, so as to ensure that the air speed blown by each first air vent 411 is consistent.
[0032] In an embodiment of the present application, the bottom of the air outlet cavity 402 is provided with a second air uniformizing plate 420, the second air uniformizing plate 420 is uniformly provided with second air vents, and the first air vents 411 and the second air vents are arranged alternately. The second air uniformizing plate 420 can further be uniformly treated, and the two kinds of air vents arranged alternately can avoid that the high-speed airflow from the first air vents 411 directly passes through the second air vents and is discharged, so as to cause damage to the fiber web 300 caused by excessively large air speed or non-uniformity everywhere.
[0033] The first air uniformizing plate 410 and the second air uniformizing plate 420 are made of nylon, for example, which is convenient for punching and installation, and has a long service life.
[0034] In an embodiment of the present application, the bottom of the second air uniformizing plate 420 is provided with air baffles 430 on both sides, the air baffles 430 are slidingly connected to the bottom surface of the second air uniformizing plate 420, and are used for adjusting the width of the air blowing. The distance adjustment between the air baffles 430 can adapt to the width adjustment of the machine body 100, so as to improve the application range of the compensation device 400.
[0035] Rectangular through holes are formed in the bottom of both sides of the wind box, the air baffles 430 are slidingly connected to the rectangular through holes, the outer ends of the air baffles 430 are provided with handles, which are convenient for pushing and pulling, so as to realize the shielding or opening of the second air uniformizing plate 420.
[0036] According to an embodiment of the present application, the beneficial effects of the anti-flanging structure of the present cross-lapper are that the anti-flanging effect of the fiber web is realized by creatively using the air blowing mode, the production efficiency and the qualification rate are greatly improved, the equipment is convenient to modify, simple and reliable to use, and the existing equipment can be conveniently modified and upgraded.
[0037] It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as that understood by ordinary skilled persons in the technical field of the present application.
[0038] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.
[0039] It should be noted that the terms "first", "second", and the like, herein do not necessarily have an ordinal meaning. Rather, these terms are used herein, inter alia, to distinguish a certain feature from another feature. It should be noted that the use of "adapted to" or "configured to" herein can mean "designed to," "made to," and / or "coded to" in one embodiment. In another embodiment, "adapted to" or "configured to" can mean "operated to" or "operated with." In another embodiment, "adapted to" or "configured to" can mean "controlled to." For example, those terms can mean "supplied with controls (or control data) to" in one embodiment.
[0040] Furthermore, the term "comprising" and "including" and the like as used herein are used synonymously with "including" and with "containing" and are intended to be affixes that do not exclude additional steps, processes, components, members, elements, etc.
[0041] For purposes of the US, the phrase "provided with" shall have the same meaning as the phrase "comprising a" or "including a", as those terms are interpreted in the US. For purposes of the US, the term "consisting of" shall have the same meaning as the term "comprising a", as that term is interpreted in the US. For purposes of the US, the term "consisting essentially of" shall have the same meaning as the term "comprising a", as that term is interpreted in the US. For purposes of the US, the term "consisting of" shall have the same meaning as the term "comprising a", as that term is interpreted in the US. For purposes of the US, the term "consisting essentially of" shall have the same meaning as the term "comprising a", as that term is interpreted in the US.
[0042] In the detailed description herein, reference is made to the accompanying drawings, which form a part hereof. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrative embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments can be used, and other changes can be made, without departing from the spirit or scope of the subject matter presented herein.
[0043] The above merely describes the preferred embodiments of the present application, and is not used to limit the present application. 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 structure for preventing turn-up of a cross-lapper, comprising a machine body in which a lapper curtain is provided, the lapper curtain being extended from the machine body at one end, characterized in that, The compensation device is arranged above the machine body on the side where the lapper curtain extends out, and is used for blowing air towards the lapper curtain.
2. The anti-turnover structure of the cross lapper according to claim 1, characterized in that, The compensation device comprises a variable frequency fan and a wind box, an air outlet of the variable frequency fan is communicated into the wind box, and the wind box is used for blowing air uniformly to the lapper curtain.
3. The anti-turnover structure of the cross lapper according to claim 2, characterized in that, The variable frequency fan is connected to a shunt pipe through a tee joint, and the shunt pipe is respectively communicated to left and right sides of the wind box.
4. The anti-turnover structure of the cross lapper according to claim 2, wherein An air inlet cavity and an air outlet cavity are arranged in the wind box, the air inlet cavity and the air outlet cavity are separated by a first air uniformizing plate, and a plurality of first air vents are uniformly arranged on the first air uniformizing plate.
5. The anti-turnover structure of the cross lapper according to claim 4, characterized in that, A second air uniformizing plate is arranged at the bottom of the air outlet cavity, a plurality of second air vents are uniformly arranged on the second air uniformizing plate, and the first air vents and the second air vents are arranged alternately.
6. The anti-turnover structure of the cross lapper according to claim 5, characterized in that, Air baffle plates are arranged at both sides of the bottom of the second air uniformizing plate, the air baffle plates are slidingly connected to the bottom surface of the second air uniformizing plate, and are used for adjusting the width of the air blowing.