CN216025953U - Novel slurry scraping device - Google Patents

Abstract

The utility model discloses a novel slurry scraping device which comprises a slurry scraping box, wherein an upper butt joint and a lower butt joint are respectively arranged at two ends of the slurry scraping box, a scraper mechanism is arranged in the slurry scraping box and comprises a front scraper part and a rear scraper part which are oppositely arranged and have the same structure, the front scraper part comprises a cutter frame, a blade, a sliding table and a sliding rail, the sliding rail is horizontally arranged, the sliding table is slidably and cooperatively arranged on the sliding rail, one end of the cutter frame is hinged on the sliding table, the other end of the cutter frame is detachably connected with the blade, the sliding rail of the front scraper part and the sliding rail of the rear scraper part are both arranged on a fixed frame, the fixed frame is fixed inside the slurry scraping box, and a material feeding hole is arranged in the middle of the fixed frame. The two groups of scraper mechanisms are used one by one, and the scraper structures can be maintained and cleaned in an online state after being switched to use. The scraper structure is convenient to maintain and clean, the scraper effect stability is good, and the production requirements of different products can be met.

Description

Novel slurry scraping device

Technical Field

The utility model belongs to the technical field of slurry scraping equipment, and particularly relates to a novel slurry scraping device.

Background

A production line for impregnating a nonwoven fabric with PU slurry is called an impregnation line, and the impregnation line needs a doctor blade device, a coagulation tank, a rinsing tank, and the like in addition to the impregnation line. The impregnation line is intended to impregnate a material such as a nonwoven fabric with a PU slurry or the like, and to optionally retain a layer of the slurry on the surface of the material as needed. The scraper device is used for scraping slurry of materials dipped in the slurry from the dipping machine and controlling the thickness of the slurry on the surface of the materials, so that the surface of a product is stable. The existing scraper device is simple in structure, a large amount of slurry is easily adhered to the back of the scraper after long-term use, normal production is affected, and the scraper needs to be cleaned regularly. In order not to influence the product quality and the production process, an operator needs to quickly clean the scraper without stopping the machine, the requirement on the operator is high, and meanwhile, the product is not subjected to slurry scraping treatment, and the stability of the product quality is influenced by the positions with inconsistent slurry thickness.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a novel scrape thick liquid device, including scraping the thick liquid case, the upper end of scraping the thick liquid case is equipped with the butt joint, the lower extreme of scraping the thick liquid case is equipped with down the butt joint, scrape the thick liquid incasement and install scraper mechanism, scraper mechanism is including relative setting and the same preceding scraper part of structure and back scraper part, wherein preceding scraper part is including the knife rest, the blade, the slip table, a slide rail, the slide rail level sets up, slip table slidable cooperation is installed on the slide rail, the one end of knife rest articulates on the slip table, the blade is connected to other end detachable, the slide rail of preceding scraper part and the slide rail of back scraper part are all installed on the mount, the mount is fixed in the inside of scraping the thick liquid case, the middle part of mount is equipped with away the material mouth.

Preferably, the front blade portion and the rear blade portion are offset in height from each other.

Preferably, the sliding table is provided with a mounting hole, a rotating shaft is rotatably mounted in the mounting hole, and the rotating shaft is connected with the tool rest through an L-shaped plate.

Preferably, the two sides of the pulp scraping box are respectively provided with a box opening, the box opening is covered with a box door, and the box openings respectively correspond to the front scraper part and the rear scraper part.

Preferably, the receiving trays fixed on the fixing frame are respectively arranged below the tool holders.

Preferably, the number of the scraper mechanisms in the pulp scraping box is two, wherein one scraper mechanism is positioned right above the other scraper mechanism.

Preferably, the upper butt joint is positioned at one side of the upper end of the pulp scraping box, and the upper end of the pulp scraping box is provided with the guide roller.

Preferably, a scraping blade is arranged on one side of the guide roller, one end of the scraping blade is in contact with the guide roller, and the scraping blade is arranged in the pulp scraping box.

As the optimization of the technical scheme, the upper end of the pulp scraping box is provided with an air suction opening, and an exhaust fan is installed in the air suction opening.

Preferably, the upper end of the pulp scraping box is provided with a top cover which is obliquely arranged.

The utility model has the beneficial effects that: the two groups of scraper mechanisms are used one by one, and the scraper structures can be maintained and cleaned in an online state after being switched to use. The scraper structure is convenient to maintain and clean, the scraper effect stability is good, and the production requirements of different products can be met.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a novel slurry scraping device, including scraping the thick liquid case 400, the upper end of scraping the thick liquid case 400 is equipped with butt joint 401, the lower extreme of scraping the thick liquid case 400 is equipped with down butt joint 402, scrape and install scraper mechanism in the thick liquid case 400, scraper mechanism is including relative setting and preceding scraper part 403 and the back scraper part 404 that the structure is the same, wherein preceding scraper part 403 is including knife rest 405, blade 406, slip table 407, slide rail 408, slide rail level 408 sets up, slip table 407 slidable cooperation is installed on slide rail 408, the one end of knife rest 405 articulates on slip table 407, other end detachable connects blade 406, slide rail 408 of preceding scraper part 403 and the slide rail 408 of back scraper part 404 are all installed on mount 409, mount 409 is fixed in scraping the inside of thick liquid case 400, the middle part of mount 409 is equipped with and walks material mouth 410.

Further, the front blade portion 403 and the rear blade portion 404 are offset in height from each other.

Further, the sliding table 407 is provided with a mounting hole 411, a rotating shaft 412 is rotatably mounted in the mounting hole 411, and the rotating shaft 412 is connected with the tool holder 405 through an L-shaped plate 413. The rotating shaft 412 is connected with a precision speed reducer and a servo motor, and the angle of the rotating shaft 412 is adjusted and fixed through an angle encoder. Therefore, the scraper mechanism can quickly return to a set angle in cleaning, maintenance and protection, and the stability of the slurry scraping effect of the same batch of products is ensured. When the requirements on surface sizing agent are different, the sizing effect is adjusted by adjusting the angle of the rotating shaft 412. In order to improve the automation degree and the stability of the product slurry scraping effect, a screw device can be selectively mounted on the fixing frame 409, and a motor is used for driving a screw to rotate so as to drive the sliding table 407 to move on the sliding rail 408. Therefore, the position of the sliding table 408 can be accurately controlled by controlling the motor, and the position of the blade 406 is fixed before and after cleaning and maintenance.

Further, two sides of the slurry scraping box 400 are respectively provided with a box opening, a box door 414 is covered at the box opening, and the box openings respectively correspond to the front scraper part 403 and the rear scraper part 404. The doctor mechanism is opened, the slide 407 is moved, the blade holder 405 is rotated, and the blade 406 can be removed for remodeling or the doctor mechanism can be cleaned.

Furthermore, a receiving tray 415 fixed on the fixing frame 409 is respectively arranged below the tool holders 405. The slurry received in the take-off tray 415 is piped back to the slurry tank of the impregnator.

Further, the number of the scraper mechanisms in the slurry scraping box 400 is two, wherein one scraper mechanism is positioned right above the other scraper mechanism. Therefore, the scraper mechanism is used for standby, the other set of scraper mechanism is switched to be used when the used scraper mechanism needs to be cleaned, the standby scraper mechanism can be cleaned in the online production process, the machine does not need to be stopped, and the production efficiency is not influenced.

Further, the upper butt joint port 401 is located at one side of the upper end of the pulp scraping box 400, and the guide roller 416 is installed at the upper end of the pulp scraping box 400.

Further, a blade 417 is provided at one side of the guide roller 416, one end of the blade 417 is in contact with the guide roller 416, and the blade 417 is installed in the squeegee 400. The doctor blade 417 cleans the slurry adhering to the guide roll 416 in time.

Further, the upper end of the slurry scraping box 400 is provided with an air suction opening 418, and the air suction opening 418 is connected with an exhaust fan. The exhaust fan generates a micro negative pressure in the slurry scraping box 400 to take away the water in the slurry scraping box 400. When the box door 414 is opened for cleaning the scraper mechanism, the micro-negative pressure effect in the slurry scraping box 400 can also prevent volatile gases such as DMF (dimethyl formamide) from overflowing from the box opening in a large amount, and avoid odor and the like from affecting the operation of operators.

Further, the upper end of the pulp scraping box 400 is provided with a top cover 419 which is obliquely arranged.

The slurry scraping box 400 can also be provided with a DMF cleaning spray head for cleaning the whole slurry scraping box 400.

The blades 406 have multiple sets, each set having the same angular R-angle, the R-angles of the different sets being different. The blade with the small R angle has a better slurry scraping effect and is suitable for products with less slurry residue on the surface of materials. The blade that the R angle is big, the thick liquids of certain thickness can be remain on the material surface, and the R angle of blade plays the extrusion effect of leveling. When needed, a corresponding group of blades 40 is replaced, so that the production requirements of different products with high PU (polyurethane) quantity on the surface or no slurry on the surface are met.

It should be noted that the technical features of the exhaust fan, the precision speed reducer, the servo motor, the angle encoder, etc. related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be conventional in the art, and should not be regarded as the utility model point of the present patent, and the present patent is not further specifically described in detail.

Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a novel scrape thick liquid device, a serial communication port, including scraping the thick liquid case, the upper end of scraping the thick liquid case is equipped with the butt joint, the lower extreme of scraping the thick liquid case is equipped with down the butt joint, scrape the thick liquid incasement and install scraper mechanism, scraper mechanism is including relative preceding scraper part and the back scraper part that sets up and the structure is the same, wherein preceding scraper part is including the knife rest, the blade, the slip table, a slide rail, the slide rail level sets up, slip table slidable cooperation is installed on the slide rail, the one end of knife rest articulates on the slip table, the blade is connected to other end detachable, the slide rail of preceding scraper part and the slide rail of back scraper part are all installed on the mount, the mount is fixed in the inside of scraping the thick liquid case, the middle part of mount is equipped with away the material mouth.

2. The novel doctoring apparatus as claimed in claim 1, wherein said front blade section and said rear blade section are offset in height from each other.

3. The novel scraping device as claimed in claim 2, wherein the sliding table is provided with a mounting hole, a rotating shaft is rotatably mounted in the mounting hole, and the rotating shaft is connected with the cutter frame through an L-shaped plate.

4. The novel scraping device as claimed in claim 3, wherein box openings are respectively arranged on two sides of the scraping box, box doors are covered at the box openings, and the box openings respectively correspond to the front scraper part and the rear scraper part.

5. The novel scraping device as claimed in claim 4, wherein the receiving trays fixed on the fixing frame are respectively arranged below the knife rest.

6. The novel scraping apparatus as claimed in claim 5, wherein there are two sets of scraper mechanisms in the scraping box, and one set of scraper mechanism is located directly above the other set of scraper mechanism.

7. The novel doctor apparatus as claimed in claim 6, wherein said upper docking port is located on one side of the upper end of the doctor blade box, and a guide roller is mounted on the upper end of the doctor blade box.

8. The novel doctor apparatus as claimed in claim 7, wherein said guide roll is provided at one side thereof with a doctor blade having one end in contact with the guide roll, the doctor blade being mounted in the doctor tank.

9. The novel scraping device as claimed in claim 8, wherein the upper end of the scraping box is provided with an air suction opening, and the air suction opening is connected with an air extractor.

10. The novel scraping device as claimed in claim 9, characterized in that the upper end of the scraping box is provided with a top cover which is obliquely arranged.

Images