Artificial leather trimming system and artificial leather production system

Abstract

The utility model discloses an artificial leather trimming system and an artificial leather production system. The artificial leather edge cutting system is used for cutting edges of artificial leather and comprises an auxiliary supporting roller extending in the width direction of the artificial leather and a cutter device used for cutting the edges of the artificial leather. The cutter device comprises a cutter and a heating device used for heating the cutter. The cutting knife and the heating device are arranged to heat and melt the edge of the artificial leather while cutting the edge of the artificial leather, so that the abnormal quality of the appearance of a product caused by chippings and impurities is avoided, the scrap is reduced, and the production yield of the product is effectively improved; meanwhile, compared with a traditional artificial leather edge cutting system, the artificial leather edge cutting system can be suitable for edge cutting of more types of artificial leather, and the universality of the artificial leather edge cutting system is improved.

Description

Technical Field

[0001] The utility model relates to an artificial leather trimming system and an artificial leather production system, which can trim an artificial leather.

Background Art

[0002] Leather, as a surface decoration material, is widely used in many fields such as automobiles and home decoration. Common leathers include genuine leather, polar artificial leathers such as polyvinyl chloride (hereinafter referred to as PVC) artificial leather, non-polar artificial leathers such as thermoplastic polyolefin elastomer (hereinafter referred to as TPO) artificial leather, polyurethane (PU) artificial leather, etc. Due to its high price and environmental unfriendliness, genuine leather is gradually replaced by artificial leather.

[0003] Artificial leather usually needs to be trimmed before embossing. The existing artificial leather trimming systems usually include a circular blade and a metal roller that cooperate with each other. When the artificial leather passes between the circular blade and the metal roller, it will be rolled and cut, that is, the trimming is completed. However, there are some problems with the existing trimming technologies. For example, it cannot be applied to the trimming of all current products, especially some products using special base fabrics; for another example, a large amount of debris and impurities will be generated after trimming, and it is difficult to completely remove the impurities, which will cause appearance defects during embossing, thereby increasing the product rejection rate and affecting the production yield of the product.

[0004] Therefore, it is hoped to propose a new technical solution to solve at least one of the above technical problems.

Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide an artificial leather trimming system and an artificial leather production system with high production yield and strong versatility.

[0006] To solve the above technical problem, the utility model can adopt the following technical solution: An artificial leather trimming system for trimming an artificial leather, the artificial leather trimming system includes an auxiliary support roller extending along the width direction of the artificial leather and a cutting device for trimming the artificial leather, and the cutting device includes a cutting knife and a heating device for heating the cutting knife.

[0007] In a preferred embodiment, the heating device includes a heating rod disposed in the cutting knife.

[0008] In a preferred embodiment, the heating device includes a temperature control system and an overheat protection system, and the overheat protection system includes a sensor for measuring the temperature of the cutting knife.

[0009] In a preferred embodiment, the cutting device includes an elastic pressing device that elastically acts on the cutting knife.

[0010] In a preferred embodiment, the elastic pressing device includes a fixed seat, a first connecting member, a second connecting member, a thimble in contact with the cutting knife, a compression spring cooperating with the thimble, and an adjusting member cooperating with the compression spring; one end of the first connecting member is fixedly connected to the fixed seat, and the other end of the first connecting member is provided with a through adjusting hole having a first opening and a second opening disposed opposite to each other. The compression spring is partially sleeved on the thimble and partially extends into the adjusting hole from the first opening. The adjusting hole has internal threads, and the adjusting member has a nut and a screw rod cooperating with the internal threads. The screw rod extends into the adjusting hole from the second opening; one end of the second connecting member is rotatably connected to the fixed seat, and the other end of the second connecting member is fixedly connected to the cutting knife.

[0011] In a preferred embodiment, the cutting knife device includes a lateral adjusting mechanism, the lateral adjusting mechanism includes a lead screw extending along the longitudinal direction of the auxiliary support roller, a bushing sleeved outside the lead screw, and an operating handle for operating the lead screw. The fixed seat is fixed to the bushing.

[0012] In a preferred embodiment, the cutting knife device includes a height adjusting mechanism, the height adjusting mechanism includes a fixing member sleeved on the lead screw, a driver for driving the fixing member to move, and a support member connected to the fixing member. The fixing member has a first end and a second end located on both sides of the lead screw. The driver is rotatably connected to the first end, and the support member is rotatably connected to the second end.

[0013] In a preferred embodiment, the auxiliary support roller is a cemented carbide roller, and the hardness of the cemented carbide roller is 86 - 96 HRA.

[0014] In a preferred embodiment, the artificial leather trimming system includes two guiding rollers disposed opposite to each other, the distance between the two guiding rollers is less than the diameter of the auxiliary support roller, the cutting knife device is located on one side of the auxiliary support roller, and the two guiding rollers are located on the other side of the auxiliary support roller.

[0015] To solve the above technical problems, the present utility model can also adopt the following technical solution: an artificial leather production system, which includes an embossing system and the artificial leather trimming system according to any one of the previous preferred embodiments. The artificial leather trimming system includes two of the cutting knife devices arranged along the extending direction of the auxiliary support roller.

[0016] Compared with the prior art, the utility model has the following beneficial effects: By providing a cutting knife and a heating device, the utility model realizes heating and melting the edge of artificial leather while cutting the edge of artificial leather, thereby avoiding the generation of debris and impurities that cause abnormal product appearance quality, reducing waste, and effectively improving the production yield of products; at the same time, compared with the traditional artificial leather edge cutting system, the artificial leather edge cutting system of the utility model can be applied to the edge cutting of more types of artificial leather, improving the versatility of the artificial leather edge cutting system.

BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a partial schematic diagram of the artificial leather edge cutting system of a preferred embodiment of the utility model.

[0018] Figure 2 is Figure 1 A partial enlarged view of the artificial leather edge cutting system shown.

[0019] Figure 3 is Figure 2 A partial enlarged view of the artificial leather edge cutting system shown.

[0020] Figure 4 is Figure 1 Another partial enlarged view of the artificial leather edge cutting system shown.

[0021] Figure 5 is Figure 1 A side view when the artificial leather edge cutting system shown cuts the artificial leather.

[0022] Figure 6 is Figure 5 A partial enlarged view of the artificial leather edge cutting system shown.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, with reference to the drawings of the embodiments of the utility model, the technical solutions of the embodiments of the utility model will be explained and described. However, the following embodiments are only the preferred embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the utility model.

[0024] Refer Figure 1 and Figure 5, the present utility model provides an artificial leather production system (not shown), which is used to produce an artificial leather 100. The artificial leather 100 can be TPO artificial leather, PVC artificial leather, PU artificial leather, TPU artificial leather, etc. The artificial leather production system includes an artificial leather trimming system 200 and an embossing system (not shown). The artificial leather trimming system 200 is used to trim the artificial leather 100 and is installed in the previous process of the embossing system. The artificial leather trimming system 200 will be introduced in detail below.

[0025] Continue to refer Figure 1 and Figure 5 , the artificial leather trimming system 200 includes a bracket 1, an auxiliary support roller 2 extending along the width direction of the artificial leather 100, and a cutting device 3 for trimming the artificial leather 100. In this embodiment, the artificial leather trimming system 200 includes two cutting devices 3 arranged along the extension direction of the auxiliary support roller 2. With this arrangement, when the artificial leather 100 enters the artificial leather trimming system 200 along its moving direction F, the artificial leather trimming system 200 can trim both sides of the artificial leather 100 simultaneously.

[0026] Focus on referring Figures 2 to 4 , the cutting device 3 includes a cutting knife 31, a heating device 32 for heating the cutting knife 31, an elastic pressing device 33 acting on the cutting knife 31, a lateral adjustment mechanism 34 for adjusting the lateral position of the cutting knife 31, and a height adjustment mechanism 35 for adjusting the height of the cutting knife 31.

[0027] Continue to focus on referring Figures 2 to 4 , the heating device 32 includes a heating rod 321 arranged in the cutting knife 31, a temperature control system (not shown), and an overheat protection system (not shown). The present utility model heats the cutting knife 31 by setting the heating rod 321 to ensure uniform and safe heating. By setting the temperature control system, the temperature of the cutting knife 31 is adjusted and controlled to meet the different temperature requirements of different products. The overheat protection system includes a sensor (not shown) for measuring the temperature of the cutting knife 31. When the temperature of the cutting knife 31 is too high, the overheat protection system will automatically cut off the power supply of the heating device 32.

[0028] Focus on referring Figure 2 , Figure 3 and Figure 6, the elastic pressing device 33 includes a fixed seat 331, a first connecting member 332, a second connecting member 333, a thimble 334 in contact with the cutter 31, a compression spring 335 cooperating with the thimble 334, and an adjusting member 336 cooperating with the compression spring 335. One end of the first connecting member 332 is fixedly connected to the fixed seat 331, and the other end of the first connecting member 332 is provided with a through adjusting hole 3320. The adjusting hole 3320 has a first opening (not shown) and a second opening (not labeled) arranged opposite to each other. The compression spring 335 is partially sleeved on the thimble 334 and partially extends into the adjusting hole 3320 from the first opening. The adjusting hole 3320 has an internal thread (not shown), the adjusting member 336 has a nut 3361 and a screw rod 3362 cooperating with the internal thread, and the screw rod 3362 extends into the adjusting hole 3320 from the second opening. One end of the second connecting member 333 is rotatably connected to the fixed seat 331, and the other end of the second connecting member 333 is fixedly connected to the cutter 31. The fixed position between the cutter 31 and the second connecting member 333 is adjustable. The elastic pressing device 33 enables the cutter 31 to elastically cut the artificial leather 100, which can not only well achieve the edge cutting of the artificial leather 100, but also avoid the hard contact between the cutter 31 and the auxiliary support roller 2, which is beneficial to extending the service life of the product.

[0029] Refer Figure 2 and Figure 4 , the lateral adjustment mechanism 34 includes a lead screw 341 extending along the longitudinal direction of the auxiliary support roller 2, a bushing 342 sleeved on the outside of the lead screw 341, and an operating handle 343 for operating the lead screw 341. The fixed seat 331 is fixed to the bushing 342. With such a setting, by operating the operating handle 343, the position of the cutter 31 in the width direction of the artificial leather 100 can be adjusted, so that the artificial leather edge cutting system 200 can match the production of products with different widths.

[0030] Refer Figure 2 and Figure 4, the height adjustment mechanism 35 includes a fixing member 351 sleeved on the lead screw 341, a driver 352 for driving the fixing member 351 to move, and a support member 353 connected to the fixing member 351. The fixing member 351 has a first end 3511 and a second end 3512 located on both sides of the lead screw 341. The driver 352 is rotatably connected to the first end 3511, and the support member 353 is rotatably connected to the second end 3512. With such a setting, it is possible to both support the cutting tool device 3 and adjust the height of the cutting tool device 3. In this embodiment, the driver 352 is a cylinder. The support member 353 is fixed to the bracket 1. The driver 352 is fixed to the bracket 1 through another support member 354.

[0031] Refer Figure 1 and Figure 5 , the auxiliary support roller 2 is a cemented carbide roller, the hardness of the cemented carbide roller is 86 - 96HRA, the cemented carbide roller has high wear resistance, high hardness, and high hot hardness, it can cooperate well with the cutting tool, has a long service life, reduces the replacement frequency of the roller, and improves production efficiency. The artificial leather trimming system 200 further includes two oppositely arranged guide rollers 101, 102, the distance between the two guide rollers 101, 102 is less than the diameter of the auxiliary support roller 2, the cutting tool device 3 is located on one side of the auxiliary support roller 2, and the two guide rollers 101, 102 are located on the other side of the auxiliary support roller 2. With such a setting, a better trimming effect of the cutting tool device 3 on the artificial leather 100 can be achieved.

[0032] In summary, the present utility model realizes heating and melting the edge of the artificial leather 100 while trimming the artificial leather 100 by setting the cutting tool 31, the heating device 32, etc., thereby avoiding the generation of debris and impurities that cause abnormal quality of the product appearance, reducing waste, and effectively improving the production yield of the product; at the same time, compared with the traditional artificial leather trimming system, the artificial leather trimming system 200 of the present utility model can be applied to the trimming of more types of artificial leather, improving the versatility of the artificial leather trimming system.

[0033] It can be understood that the above embodiments of the present utility model can be combined with each other without conflict to obtain more embodiments. Among the various specific technical features described in the above specific embodiments, they can be combined in any suitable manner without contradiction.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically and clearly defined.

[0035] In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. An artificial leather trimming system, used for trimming an artificial leather, characterized in that: The artificial leather trimming system includes an auxiliary support roller extending along the width direction of the artificial leather and a cutting device for trimming the artificial leather, the cutting device includes a cutter and a heating device for heating the cutter, and the cutting device includes an elastic pressing device, which elastically acts on the cutter.

2. The artificial leather edge trimming system according to claim 1, characterized in that: The heating device comprises a heating rod arranged in the cutter.

3. The artificial leather edge trimming system according to claim 1, characterized in that: The heating device comprises a temperature control system and an overheat protection system, wherein the overheat protection system comprises a sensor for measuring the temperature of the cutter.

4. The artificial leather edge trimming system according to any one of claims 1 to 3, characterized in that: The elastic pressing device includes a fixed seat, a first connecting member, a second connecting member, a pin in contact with the cutter, a compression spring matched with the pin, and an adjusting member matched with the compression spring; one end of the first connecting member is fixedly connected to the fixed seat, the other end of the first connecting member is provided with a penetrating adjusting hole, the adjusting hole has a first opening and a second opening arranged opposite to each other, the compression spring is partially sleeved on the pin and partially extends from the first opening into the adjusting hole, the adjusting hole has an internal thread, the adjusting member has a nut and a screw matched with the internal thread, the screw extends from the second opening into the adjusting hole; one end of the second connecting member is rotatably connected to the fixed seat, and the other end of the second connecting member is fixedly connected to the cutter.

5. The artificial leather edge trimming system according to claim 4, characterized in that: The cutter device comprises a lateral adjustment mechanism, which comprises a screw rod extending along the longitudinal direction of the auxiliary support roller, a sleeve sleeved on the outside of the screw rod, and an operating handle for operating the screw rod, and the fixing seat is fixed to the sleeve.

6. The artificial leather edge trimming system according to claim 5, characterized in that: The cutter device includes a height adjustment mechanism, which includes a fixing member sleeved on the screw rod, a driver for driving the fixing member to move, and a support member connected to the fixing member, the fixing member having a first end and a second end located on both sides of the screw rod, the driver being rotatably connected to the first end, and the support member being rotatably connected to the second end.

7. The artificial leather edge trimming system according to any one of claims 1 to 3, characterized in that: The auxiliary support roller is a cemented carbide roller, and the hardness of the cemented carbide roller is 86-96HRA.

8. The artificial leather edge trimming system according to any one of claims 1 to 3, characterized in that: The artificial leather trimming system comprises two guide rollers arranged opposite to each other, the distance between the two guide rollers is smaller than the diameter of the auxiliary support roller, the cutting device is located on one side of the auxiliary support roller, and the two guide rollers are located on the other side of the auxiliary support roller.

9. An artificial leather production system, comprising an embossing system, characterized in that: The artificial leather production system comprises the artificial leather edge trimming system according to any one of claims 1 to 8, wherein the artificial leather edge trimming system comprises two cutting knife devices arranged along the extending direction of the auxiliary support roller.

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