Lower drafting device for non-woven fabric production

Abstract

The utility model discloses a lower drafting device for non-woven fabric production. The lower drafting device comprises a main body, an air supply part and a conveying assembly, a drafting channel and a discharging opening located in the lower end of the drafting channel are formed in the body. The air supply part comprises an air outlet communicated with the drafting channel and a rotating wheel used for adjusting the opening degree of the air outlet. The rotating wheel is located on the side face of the body. The cross sectional area of the drafting channel is gradually increased from top to bottom; the conveying assembly comprises a steering roller and a conveying table, and the steering roller is located between the discharging opening and the conveying table; the main body is further provided with a cover plate matched with the drafting channel, and the cover plate is fixed to the outer side of the drafting channel through a lock catch. According to the lower drafting device for non-woven fabric production, the main body and the air supply part are arranged, so that the air quantity of the air outlet can be accurately controlled by the rotating wheel, stable pressure difference is formed in the drafting channel with the narrow upper part and the wide lower part, fiber spinning in the drafting channel can be irregularly overlapped, and the lapping effect of the lower drafting device for non-woven fabric production and the non-woven fabric production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven production technical field especially a lower draft device for non - woven production. BACKGROUND

[0002] Non - woven fabric is polyester, polypropylene etc. high molecular polymer is raw material, through spinning, fiber draft, fiber web, fiber web consolidation etc. equipment group production line production, all production process is on -line continuous completion, in the production process, through draft device to fiber spinning draft work. The upper draft device and the lower draft device are sequentially arranged from top to bottom below the spinning beam, the working surface of the lower draft device is located below the discharge port of the upper draft device, and is used for receiving fiber spinning and cooperating to carry out the web laying process. Whether the fiber spinning in the lower draft device can be randomly superimposed will affect the uniformity of the web laying. If the web laying is uneven, the product quality of the non - woven fabric will be reduced, and the production yield of the non - woven fabric will be affected. SUMMARY

[0003] To solve the above problems, the purpose of the utility model is to provide a lower draft device for non - woven production, so that a stable pressure difference is formed in the draft channel, the spinning can be randomly superimposed, and the production efficiency of the non - woven fabric is improved.

[0004] The utility model solves the technical scheme that the problem adopts:

[0005] A lower draft device for non - woven production, comprising: a main body, a blowing part and a conveying assembly, a draft channel and a discharge port located at the lower end of the draft channel are arranged in the main body, the blowing part comprises an air outlet communicated with the draft channel and a runner for adjusting the opening degree of the air outlet, the runner is located on the side surface of the main body, the air outlets are symmetrically distributed on both sides of the draft channel, the cross -sectional area of the draft channel gradually increases from top to bottom, the conveying assembly comprises a deflection roller and a conveying table, the deflection roller is located between the discharge port and the conveying table, a cover plate matched with the draft channel is further arranged on the main body, and the cover plate is fixed on the outer side of the draft channel through a lock catch.

[0006] The lower draft device for non - woven production has at least the following beneficial effects: by arranging the main body and the blowing part, the runner can accurately control the air volume of the air outlet, a stable pressure difference is formed in the draft channel with the upper narrow and lower wide, the fiber spinning in the draft channel can be randomly superimposed, the web laying effect of the lower draft device for non - woven production and the production efficiency of the non - woven fabric are improved, by arranging the discharge port and the conveying assembly, the draft channel can be discharged, the initially formed non - woven fabric can stably and orderly pass through the deflection roller to the conveying table, and the working stability of the lower draft device for non - woven production and the production efficiency of the non - woven fabric are improved.

[0007] Further, the middle position of the lock catch is hinged with the main body, and the lock catch is provided with a fixing block matched with the cover plate on one side close to the drafting channel, and is provided with a handle on the side away from the drafting channel. By arranging the fixing block and the handle, the lock catch can quickly and stably fix the cover plate on the main body, ensure the structural stability of the drafting channel, and facilitate cleaning and maintenance of the drafting channel, thereby improving the maintenance convenience of the lower drafting device for non-woven fabric production.

[0008] Further, the handle is sleeved with a non-slip pad. By arranging the non-slip pad, the lock catch can be prevented from loosening during the fixing of the cover plate, thereby improving the maintenance convenience of the lower drafting device for non-woven fabric production.

[0009] Further, the lock catches are uniformly distributed on both sides of the drafting channel. This structure ensures that the lock catch can stably fix the cover plate on the main body, avoids displacement and air leakage of the cover plate during production, and affects the production efficiency of non-woven fabric.

[0010] Further, the cover plate is made of transparent material. The cover plate made of transparent material can be directly observed by the operator to observe the superposition of the spinning inside the drafting channel, so as to adjust the air volume of the air outlet, thereby improving the use convenience of the lower drafting device for non-woven fabric production.

[0011] Further, the main body is further provided with a baffle, and the main body, the cover plate and the baffle cover to form the drafting channel. By arranging the baffle, the width of the drafting channel can be adjusted according to the production requirement, thereby improving the compatibility and use convenience of the lower drafting device for non-woven fabric production.

[0012] Further, a support block is arranged between the baffle and the main body, and the width of the support block gradually decreases from top to bottom. By arranging the support block, the width of the drafting channel can be accurately controlled and adjusted, thereby improving the use convenience of the lower drafting device for non-woven fabric production.

[0013] Further, the baffle is made of rubber. Rubber has good wear resistance, elasticity, tensile strength and elongation rate, and the baffle made of rubber can effectively ensure the structural stability of the drafting channel and improve the service life of the lower drafting device for non-woven fabric production.

[0014] Further, the length direction of the drafting channel is perpendicular to the plane on which the conveying table is located. This structure ensures that the non-woven fabric can be stably and orderly conveyed to the conveying table through the deflection roller and quickly conveyed to the subsequent equipment, thereby improving the working stability of the lower drafting device for non-woven fabric production.

[0015] Further, the conveying table is provided with a protective plate. By arranging the protective plate, the non-woven fabric is effectively prevented from being polluted by dust and other impurities in the air, and the production yield of the non-woven fabric is improved.

[0016] The lower drawing device for non-woven fabric production has the following advantages: the main body and the air supply part are arranged, so that the air volume of the air outlet can be accurately controlled by the rotating wheel, a stable pressure difference is formed in the upper-narrow-and-lower-wide drawing channel, the fiber filaments in the drawing channel can be randomly overlapped, the laying effect of the lower drawing device for non-woven fabric production and the production efficiency of the non-woven fabric are improved; the discharge port and the conveying assembly are arranged, so that the drawing channel can be discharged, the preliminarily formed non-woven fabric can stably and orderly pass through the deflection roller to the conveying table, the working stability of the lower drawing device for non-woven fabric production and the production efficiency of the non-woven fabric are improved; the fixing block and the handle are arranged, so that the lock catch can quickly and stably fix the cover plate on the main body, the structural stability of the drawing channel is ensured, the drawing channel is convenient to clean and maintain, and the maintenance convenience of the lower drawing device for non-woven fabric production is improved; the anti-skid pad is arranged, so that the lock catch is prevented from being loosened during the fixing of the fixing cover plate, and the maintenance convenience of the lower drawing device for non-woven fabric production is improved; the baffle is arranged, so that the width of the drawing channel can be adjusted according to the production requirement, and the compatibility and the use convenience of the lower drawing device for non-woven fabric production are improved; and the supporting block is arranged, so that the width of the drawing channel can be accurately controlled and adjusted, and the use convenience of the lower drawing device for non-woven fabric production is improved.

[0017] Additional aspects and advantages of the present application will be set forth in part in the following description, and in part will become apparent to those skilled in the art upon examination of the following description, or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic view of a lower drawing device for non-woven fabric production according to an embodiment of the present application;

[0019] Figure 2 FIG. 2 is a front view of the main body in FIG. 1. Figure 1 FIG. 3 is a sectional view of the main body in FIG. 1. DETAILED DESCRIPTION

[0020] Embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations are used to denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0021] Reference will now be made to Figure 1 and Figure 2The utility model embodiment provides a kind of for the lower draft device of nonwoven fabric production, it include: main body 100, air supply part 200 and conveying assembly 300;Main body 100 is equipped with draft channel 110 and located the blanking port 120 of draft channel 110 lower end;Air supply part 200 includes the air outlet 210 being connected with draft channel 110 and the runner 220 for adjusting the opening of air outlet 210, runner 220 is located the side of main body 100;Air outlet 210 is symmetrically distributed in the two sides of draft channel 110, and the cross-sectional area of draft channel 110 gradually increases from top to bottom;Conveying assembly 300 includes deflection roller 310 and conveying table 320, and deflection roller 310 is located between blanking port 120 and conveying table 320;Main body 100 is also equipped with the cover plate 130 being cooperated with draft channel 110, and cover plate 130 is fixed on the outside of draft channel 110 by lock catch 140.

[0022] By being provided with main body 100 and air supply part 200, the air volume of air outlet 210 can be accurately controlled by runner 220, and stable pressure difference is formed in the draft channel 110 of upper narrow and lower wide, so that the fiber spinning in draft channel 110 can be randomly superimposed, and the laying effect of the lower draft device for nonwoven fabric production and the production efficiency of nonwoven fabric are improved;By being provided with blanking port 120 and conveying assembly 300, the discharge operation of draft channel 110 is facilitated, and the primary formed nonwoven fabric can stably and orderly pass through deflection roller 310 to reach conveying table 320, so that the working stability of the lower draft device for nonwoven fabric production and the production efficiency of nonwoven fabric are improved.

[0023] In another embodiment, the middle position of lock catch 140 is hinged to main body 100, one side of lock catch 140 close to draft channel 110 is provided with fixed block 141 matched with cover plate 130, and the other side of lock catch 140 away from draft channel 110 is provided with handle 142. By being provided with fixed block 141 and handle 142, cover plate 130 can be quickly and stably fixed on main body 100 by lock catch 140, so that the structural stability of draft channel 110 is ensured, and draft channel 110 is also facilitated to be cleaned and maintained, so that the maintenance convenience of the lower draft device for nonwoven fabric production is improved.

[0024] In another embodiment, handle 142 is provided with anti-skid pad 143. By being provided with anti-skid pad 143, the loosening of lock catch 140 during the process of fixing cover plate 130 is avoided, so that the maintenance convenience of the lower draft device for nonwoven fabric production is improved.

[0025] In another embodiment, lock catches 140 are uniformly distributed on the two sides of draft channel 110. This structure ensures that lock catch 140 can stably fix cover plate 130 on main body 100, avoids the displacement and air leakage of cover plate 130 during the production process, and affects the production efficiency of nonwoven fabric.

[0026] Another embodiment, the cover plate 130 is made of transparent material. The cover plate 130 is made of transparent material, so that the operator can directly observe the superposition of the spinning in the drafting channel 110, so as to adjust the air volume of the air outlet 210, improve the convenience of the lower draft device for non-woven fabric production.

[0027] Another embodiment, the main body 100 is further provided with a baffle 150, and the main body 100, the cover plate 130 and the baffle 150 cover to form the drafting channel 110. By setting the baffle 150, the width of the drafting channel 110 can be adjusted according to the production requirements, and the compatibility and convenience of the lower draft device for non-woven fabric production are improved.

[0028] Another embodiment, the baffle 150 and the main body 100 are provided with a support block 160, and the width of the support block 160 gradually decreases from top to bottom. By setting the support block 160, the width of the drafting channel 110 can be accurately controlled and adjusted, and the convenience of the lower draft device for non-woven fabric production is improved.

[0029] Another embodiment, the baffle 150 is made of rubber. Rubber has good wear resistance, elasticity, tensile strength and elongation rate. The baffle 150 is made of rubber, which can effectively ensure the structural stability of the drafting channel 110, and improve the service life of the lower draft device for non-woven fabric production.

[0030] Another embodiment, the length direction of the drafting channel 110 is perpendicular to the plane where the conveying table 320 is located. This structure ensures that the non-woven fabric can be smoothly and orderly conveyed to the conveying table 320 through the deflection roller 310, and can be quickly conveyed to the subsequent equipment, and improves the working stability of the lower draft device for non-woven fabric production.

[0031] Another embodiment, the conveying table 320 is provided with a guard plate 330 above. By setting the guard plate 330, the dust and other impurities in the air can be effectively prevented from polluting the non-woven fabric, and the production yield of the non-woven fabric is improved.

[0032] The working principle of the utility model will be further described below.

[0033] In the assembly process, first, according to the on-site installation environment and the thickness requirement of the non-woven fabric, the corresponding specifications of the baffle 150, the supporting block 160 and the conveying table 320 are selected, so that the main body 100, the cover plate 130 and the baffle 150 are covered to form the drafting channel 110, and the laying requirement of the non-woven fabric is met; then, the baffle 150 is installed in the main body 100, and the baffle 150 is fixedly installed through the supporting block 160, so that the width of the supporting block 160 gradually decreases from top to bottom; then, the air outlet 210 and the rotating wheel 220 are installed in sequence on both sides of the main body 100, wherein the rotating wheel 220 is connected with the air outlet 210 through a pipeline, so that the rotating wheel 220 can accurately control the opening degree of the air outlet 210; then, the discharge port 120 is installed at the lower end of the drafting channel 110, and the deflection roller 310 and the conveying table 320 are installed, so that the deflection roller 310 is located between the discharge port 120 and the conveying table 320; then, the position of the supporting block 160 is adjusted, so that the cross-sectional area of the drafting channel 110 gradually increases from top to bottom; then, the cover plate 130 is installed on the main body 100, and the cover plate 130 is fixedly installed on the main body 100 through the fixed block 141 of the lock buckle 140, so that the cover plate 130 and the baffle 150 seal to form the drafting channel 110; finally, the anti-slip pad 143 is sleeved on the handle 142, so as to facilitate unlocking of the lock buckle 140. In this way, the assembly of the lower drafting device for non-woven fabric production is completed, the whole assembly process is efficient and controllable, and the width of the drafting channel 110 and the opening degree of the air outlet 210 can be flexibly adjusted according to the on-site requirement.

[0034] In use, the heated non-woven filaments enter the drafting channel 110 smoothly and orderly from above, and the air outlet 210 is started by the rotating wheel 220; since the air outlets 210 are symmetrically distributed on both sides of the drafting channel 110, the cross-sectional area of the drafting channel 110 gradually increases from top to bottom, and the rotating wheel 220 can accurately control the air volume of the air outlet 210, forming a stable pressure difference in the upper-narrow lower-wide drafting channel 110, so that the fiber filaments in the drafting channel 110 can be randomly superimposed, improving the laying effect of the lower drafting device for non-woven fabric production and the production efficiency of non-woven fabric. During the spinning and laying process, the production personnel observe the spinning and laying situation through the transparent cover plate 130, adjust the opening of the air outlet 210 through the rotating wheel 220, and then control the amount of air entering the drafting channel 110, thereby changing the pressure in the drafting channel 110 to adjust the stable superposition of the non-woven filaments and improve the production efficiency of the non-woven fabric. Under the action of gravity, the non-woven filaments complete the laying and become non-woven fabric, which is stably and orderly conveyed to the conveying table 320 through the discharge port 120 and the deflection roller 310, and the guard plate 330 on the conveying table 320 can effectively prevent dust and other impurities in the air from polluting the non-woven fabric, thereby improving the production yield of the non-woven fabric. During cleaning and maintenance, the maintenance personnel can remove the cover plate 130 by rotating the handle 142, so as to check and clean the inside of the drafting channel 110; the position of the supporting block 160 can also be adjusted according to the needs, so as to accurately adjust the shape of the drafting channel 110, thereby greatly improving the maintenance convenience of the lower drafting device for non-woven fabric production.

[0035] From the above description, it can be seen that the lower draft device for non-woven fabric production is provided with the main body 100 and the air supply part 200, so that the air volume of the air outlet 210 can be accurately controlled by the rotating wheel 220, a stable pressure difference is formed in the upper narrow and lower wide draft channel 110, the fiber spinning in the draft channel 110 can be randomly overlapped, and the laying effect of the lower draft device for non-woven fabric production and the production efficiency of the non-woven fabric are improved; the discharge opening 120 and the conveying assembly 300 are arranged, so that the draft channel 110 can be discharged, the preliminarily formed non-woven fabric can stably and orderly pass through the deflection roller 310 to the conveying table 320, the working stability of the lower draft device for non-woven fabric production and the production efficiency of the non-woven fabric are improved; the fixing block 141 and the handle 142 are arranged, so that the lock buckle 140 can quickly and stably fix the cover plate 130 on the main body 100, the structural stability of the draft channel 110 is ensured, the draft channel 110 is convenient to clean and maintain, and the maintenance convenience of the lower draft device for non-woven fabric production is improved; the anti-slip pad 143 is arranged, so that the lock buckle 140 is prevented from being loosened during the process of fixing the cover plate 130, and the maintenance convenience of the lower draft device for non-woven fabric production is improved; the baffle 150 is arranged, so that the width of the draft channel 110 can be adjusted according to production requirements, the compatibility and use convenience of the lower draft device for non-woven fabric production are improved; the support block 160 is arranged, so that the width of the draft channel 110 can be accurately controlled and adjusted, and the use convenience of the lower draft device for non-woven fabric production is improved.

[0036] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A lower draft device for nonwoven fabric production, characterized by, The utility model relates to a kind of papermaking machine, including: Main body, air supply part and conveying assembly;The main body is equipped with draft passage and lower outlet located in the lower end of the draft passage;The air supply part includes air outlet being communicated with the draft passage and the rotating wheel for adjusting the opening degree of the air outlet, and the rotating wheel is located in the side of the main body;The air outlet is symmetrically distributed in the two sides of the draft passage, and the cross-sectional area of the draft passage gradually increases from top to bottom;The conveying assembly includes deflector roll and conveying table, and the deflector roll is located between the lower outlet and the conveying table;The main body is further equipped with cover plate being cooperated with the draft passage, and the cover plate is fixed on the outside of the draft passage by lock catch.

2. A lower draw frame for nonwoven fabric production according to claim 1, characterized in that, The middle position of the lock catch is hinged with the main body, and the side of the lock catch close to the draft passage is equipped with fixed block being cooperated with the cover plate, and the side of the lock catch away from the draft passage is equipped with handle.

3. A lower draw frame for nonwoven fabric production according to claim 2, characterized in that, The handle is equipped with non-slip pad.

4. The under-drafter for nonwoven fabric production according to claim 2, wherein The lock catch is evenly distributed in the two sides of the draft passage.

5. The under-drafter for nonwoven fabric production according to claim 2, wherein The cover plate is made of transparent material.

6. A lower draw frame for nonwoven fabric production according to claim 1, characterized in that, The main body is further equipped with baffle, and the main body, the cover plate and the baffle cover form the draft passage.

7. A lower draw frame for nonwoven fabric production according to claim 6, characterized in that, Support block is arranged between the baffle and the main body, and the width of the support block gradually decreases from top to bottom.

8. A lower draft device for nonwoven fabric production according to claim 7, characterized in that The baffle is made of rubber.

9. The under-drafter for nonwoven fabric production according to claim 1, wherein The length direction of the draft passage is perpendicular to the plane where the conveying table is located.

10. The underdrafting device for nonwoven fabric production according to claim 9, wherein The top of the conveying table is provided with guard plate.

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