Scraper device and textile coating machine with same

Abstract

The utility model provides a scraper device and a textile coating machine with the scraper device, the scraper device comprises a scraper assembly, the scraper assembly comprises a scraper frame and a scraper, the scraper frame is provided with two clamping plates, the two clamping plates clamp and fix the scraper, and limiting grooves are formed in the two side faces, in the length direction of the scraper, of one clamping plate; the two longitudinal vibration reduction structures are arranged on the two sides, in the length direction of the scraper, of the scraper assembly correspondingly, each longitudinal vibration reduction structure comprises a second mounting frame and a vibration reduction pushing rod, and the two vibration reduction pushing rods are movably arranged on the second mounting frame in the direction close to or away from the corresponding limiting grooves; when the two vibration reduction push rods are located in the corresponding limiting grooves respectively, the two vibration reduction push rods are matched with different groove side walls of the two limiting grooves in a pushing mode respectively. According to the scraper device and the textile coating machine with the scraper device, the longitudinal vibration amplitude of the scraper is reduced, the problem of longitudinal skipping of the scraper during scraping coating of a coating is solved, and the uniformity of the thickness of the coating is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile coating machine technical field, concretely relates to a scraper device and have its textile coating machine. BACKGROUND

[0002] The scraper is the core component of the coating machine, and the stability of the scraper when scraping the slurry directly affects the quality of the fabric coating. The coating machine is provided with a lifting mechanism, and the scraper is installed on the lifting mechanism to realize the up-down movement of the scraper, so as to adjust the distance between the scraper and the surface of the fabric. However, during the scraping process of the slurry, the scraper will vibrate longitudinally, affecting the uniformity of the coating thickness. SUMMARY

[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide a scraper device and a textile coating machine having the same.

[0004] The present application provides a scraper device for installation on a textile coating machine, comprising:

[0005] The scraper assembly comprises a scraper frame and a scraper, the scraper frame is installed on the rack of the textile coating machine, the scraper frame is provided with two opposite clamping plates, and the two clamping plates clamp the scraper, one of the clamping plates is provided with a limiting groove on both sides along the length direction of the scraper;

[0006] The limiting assembly is located on the first side of the scraper assembly, and the limiting assembly comprises a first mounting frame and a limiting rod, the first mounting frame is installed on the rack, and the limiting rod is movably arranged along the direction close to or away from the scraper;

[0007] Two longitudinal damping structures are arranged on both sides of the scraper assembly along the length direction of the scraper, and the longitudinal damping structure comprises a second mounting frame and a damping push rod, the two damping push rods are movably arranged on the second mounting frame along the direction close to or away from the corresponding limiting groove, so as to enter or exit the corresponding limiting groove, wherein when the two damping push rods are located in the corresponding limiting groove respectively, the two damping push rods are in top pushing cooperation with the different groove side walls of the two limiting grooves.

[0008] Further, the second mounting frame is provided with a first threaded hole, the first threaded hole is arranged through the second mounting frame along the length direction of the scraper, the damping push rod comprises an eccentric section, a movable section and a threaded section, the threaded section is located on the side of the movable section away from the scraper, the eccentric section is located on the side of the movable section away from the scraper, the diameter of the movable section is smaller than that of the threaded section, the movable section is arranged in the first threaded hole, and the threaded section and the eccentric section are located on both sides of the first threaded hole respectively, and the threaded section is in screw joint cooperation with the first threaded hole.

[0009] Further, the outer periphery of the movable section is provided with an external thread, and the movable section is screwed with a locking nut.

[0010] Further, the limiting groove is arranged along the height direction of the scraper.

[0011] Further, the damping top push rod is provided with a damping sleeve at the end close to the clamping plate, and the damping sleeve is sleeved on the outer periphery of the damping top push rod.

[0012] Further, the number of the limiting rods is multiple, and the multiple limiting rods are arranged along the length direction of the scraper.

[0013] Further, the limiting rod is screw-connected with the second mounting frame.

[0014] The application also provides a textile coating machine comprising the above scraper device.

[0015] The scraper device provided by the application can longitudinally push and support the clamping assembly by two damping top push rods, so as to reduce the longitudinal vibration amplitude of the scraper, solve the problem of longitudinal knife jump of the scraper during coating, and improve the uniformity of the coating thickness. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the following drawings:

[0017] Figure 1 The structure diagram of the scraper device provided by the embodiment of the application is shown in the figure.

[0018] Figure 2 The enlarged view of A part in the figure. Figure 1 DETAILED DESCRIPTION

[0019] The application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings.

[0020] The embodiment of the application provides a scraper device, which is used for being installed on a textile coating machine to perform scraping coating treatment on coating slurry on the surface of the fabric.

[0021] Please refer to the accompanying drawings Figures 1-2 ​The scraper device comprises a scraper assembly, a limiting assembly and two longitudinal damping structures 400. The scraper assembly comprises a scraper frame 210 and a scraper 240, the scraper frame 210 is screwed to the rack 100 of the textile coating machine, the scraper frame 210 is provided with two opposite clamping plates, namely a fixed clamping plate 220 and a movable clamping plate 230, the movable clamping plate 230 is screwed with the fixed clamping plate 220 to clamp the scraper 240. One of the movable clamping plate 230 and the fixed clamping plate 220 is provided with a limiting groove 250 on both sides in the length direction of the scraper 240, and the limiting groove 250 is provided in the height direction of the scraper 240 so that the limiting groove 250 is formed as a waist-shaped groove. The limiting groove 250 is preferably located in the fixed clamping plate 220. The scraper assembly has a scraping side for directly scraping the coating paste and a first side opposite to the scraping side, the limiting assembly is located on the first side of the scraper assembly, and the movable clamping plate 230 is arranged close to the limiting assembly. The limiting assembly comprises a first mounting frame 310 and a limiting rod 320, the first mounting frame 310 is mounted on the rack 100, and the first mounting frame 310 can be but is not limited to a first mounting plate. The limiting rod 320 is movably arranged in the direction close to or away from the scraper 240 to switch between the limiting position and the avoiding position. In the limiting position, one end of the limiting rod 320 is in limiting contact with the movable clamping plate 230 to limit the movement of the scraper assembly in the direction close to the limiting assembly; in the avoiding position, the limiting rod 320 and the movable clamping plate 230 are arranged separately. Two longitudinal damping structures 400 are arranged on both sides of the scraper assembly in the length direction of the scraper 240. The longitudinal direction in the above is the thickness direction of the scraper 240, as shown by the arrow Y in the drawing. The longitudinal damping structure 400 comprises a second mounting frame 410 and a damping push rod 420, the second mounting frame 410 is mounted on the rack 100, and the second mounting frame 410 can be but is not limited to a first mounting column. Two damping push rods are arranged one by one corresponding to the two limiting grooves 250, and the corresponding damping push rod 420 and the limiting groove 250 are arranged adjacent to each other. The damping push rod 420 is arranged on the second mounting frame 410 and is movably arranged in the direction close to or away from the corresponding limiting groove 250 to enter or exit the corresponding limiting groove 250. When the two damping push rods 420 are respectively located in the corresponding limiting grooves 250, the two damping push rods 420 are respectively in push-fit cooperation with the different groove side walls of the two limiting grooves 250 to suppress the longitudinal vibration of the scraper assembly, thereby reducing the longitudinal vibration amplitude of the scraper 240, solving the problem of longitudinal knife jumping of the scraper 240 during scraping coating, and improving the uniformity of the coating thickness.

[0022] The limiting groove 250 has a first groove sidewall 251 and a second groove sidewall 252 oppositely arranged along the thickness direction of the scraper 240. When the two damping push rods 420 are respectively inserted into the two limiting grooves 250, one of the two damping push rods 420 is in abutting engagement with the first groove sidewall 251 in the corresponding limiting groove 250, and the other damping push rod 420 is in abutting engagement with the second groove sidewall 252 in the corresponding limiting groove 250.

[0023] Preferably, the number of the limiting rods 320 is plural, and the plurality of limiting rods 320 are arranged at intervals along the length direction of the scraper 240 to increase the supporting positions of the limiting assembly on the scraper assembly. The limiting rod 320 is in threaded engagement with the second mounting bracket 410.

[0024] In some embodiments of the present application, the damping push rod is in the shape of a round rod, the second mounting bracket 410 is provided with a first threaded hole penetrating through the second mounting bracket 410 along the length direction of the scraper 240, the damping push rod comprises an eccentric section 421, a movable section 422 and a threaded section 423, the threaded section 423 is located on the side of the movable section 422 away from the scraper 240, the eccentric section 421 is located on the side of the movable section 422 away from the scraper 240, the diameter of the movable section 422 is smaller than that of the threaded section 423, the movable section 422 is arranged in the first threaded hole, and the threaded section 423 and the eccentric section 421 are respectively located on the two sides of the first threaded hole, and the threaded section 423 is in threaded engagement with the first threaded hole.

[0025] In the present embodiment, since the movable section 422 is arranged in the first threaded hole and the diameter of the movable section 422 is smaller than that of the first threaded hole, the eccentric section 421 can rotate in the limiting groove 250, so that the damping push rod can move towards or away from the limiting groove 250 to enter or exit the limiting groove 250.

[0026] In use, the user moves the damping push rod 420 towards the limiting groove 250 until the threaded section 423 reaches the first threaded hole, at this time, the eccentric section 421 at least partially enters the limiting groove 250. Then, the user rotates the damping push rod 420 to drive the eccentric section 421 to rotate in the limiting groove 250 until the eccentric section 421 is in abutting engagement with the first groove sidewall 251 or the second groove sidewall 252 along the thickness direction of the scraper 240, and in this process, the threaded section 423 is in threaded engagement with the first threaded hole.

[0027] Preferably, the outer circumferential surface of the movable section 422 is provided with external threads, and a locking nut is screwed on the movable section 422 and located on the side of the first threaded hole close to the doctor blade 240. After the eccentric section 421 is abutted with the groove side wall of the limiting groove 250, the user can rotate the locking nut until the locking nut is abutted with the second mounting frame 410 to fix the position of the damping push rod. Further preferably, the screwing directions of the threaded section 423 and the second threaded section 423 are the same.

[0028] In some embodiments of the present application, the damping sleeve is provided on the end of the damping push rod 420 close to the clamping plate, and the damping sleeve is sleeved on the outer circumferential surface of the damping push rod 420, that is, the damping sleeve 430 is sleeved on the eccentric section 421 to reduce the vibration transmitted to the damping push rod. The material of the damping sleeve 430 can be, but is not limited to, rubber.

[0029] The present application also provides a textile coating machine comprising the above-mentioned doctor blade device.

[0030] It should be understood that the above-mentioned terms such as "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0031] The above description is only the preferred embodiment of the present application and the explanation of the technical principles applied. Those skilled in the art should understand that the scope of the utility model disclosed in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the technical solutions formed by replacing the above-mentioned features with the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A doctor blade device for installation in a textile coating machine, characterized in that The application relates to a scraper device for a textile coating machine. The scraper device comprises a scraper assembly, a limiting assembly and two longitudinal damping structures. The scraper assembly comprises a scraper frame and a scraper, the scraper frame is installed on a rack of the textile coating machine, the scraper frame is provided with two opposite clamping plates for clamping the scraper, and each clamping plate is provided with a limiting groove on both sides along the length direction of the scraper. The limiting assembly is located on the first side of the scraper assembly, and comprises a first mounting frame and a limiting rod, the first mounting frame is installed on the rack, and the limiting rod is movably arranged along the direction close to or away from the scraper.

2. The doctoring apparatus of claim 1, wherein, The two longitudinal damping structures are respectively arranged on both sides of the scraper assembly along the length direction of the scraper, and each longitudinal damping structure comprises a second mounting frame and a damping push rod, the two damping push rods are movably arranged on the second mounting frame along the direction close to or away from the corresponding limiting groove, and the two damping push rods are respectively in top-pushing cooperation with different groove side walls of the two limiting grooves when the two damping push rods are respectively located in the corresponding limiting grooves.

3. The doctoring device of claim 2, wherein, The second mounting frame is provided with a first threaded hole penetrating through the second mounting frame along the length direction of the scraper, the damping push rod comprises an eccentric section, a movable section and a threaded section, the threaded section is located on the side of the movable section away from the scraper, the eccentric section is located on the side of the movable section away from the scraper, the diameter of the movable section is smaller than that of the threaded section, the movable section is arranged in the first threaded hole, and the threaded section and the eccentric section are respectively located on both sides of the first threaded hole.

4. The doctoring apparatus of claim 1, wherein, The outer periphery of the movable section is provided with external threads, and the movable section is screwed with a locking nut.

5. The doctoring apparatus of claim 1 wherein, The limiting groove is arranged along the height direction of the scraper.

6. The doctoring apparatus of claim 1, wherein, One end of the damping push rod close to the clamping plate is provided with a damping sleeve, and the damping sleeve is arranged on the outer periphery of the damping push rod.

7. The doctoring apparatus of claim 1 wherein, The number of the limiting rods is multiple, and the multiple limiting rods are arranged at intervals along the length direction of the scraper.

8. A textile coater characterized by, The limiting rod is screwed with the second mounting frame. The application further relates to a textile coating machine comprising the scraper device.

Images