Dye scraping device for leather double-sided roller coater

By controlling the spacing of the scraping rollers with an adjustable gap device, and combining a negative pressure machine and a suction nozzle to extract the material, the problem of poor performance of the scraping device in leather roller coating machines after long-term use has been solved, achieving a highly efficient and stable scraping effect on leather surface materials.

CN223879773UActive Publication Date: 2026-02-06JIANGSU LIANGANG ZHIZAO TECH CO LTD
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Patent Information

Application Number
CN202520432994.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing dye scraping device of the leather roller coating machine has poor scraping effect after long-term use. The material accumulated near the scraping roller affects the scraping effect and requires frequent cleaning, making it impossible to scrape continuously and efficiently.

Method used

A dye scraping device for a double-sided roller coating machine for leather was designed. The device uses an adjustable gap component to control the spacing between the scraping rollers, combined with a negative pressure machine and a suction nozzle to draw in the material. A flow-blocking plate and a collecting plate restrict the flow of the material, ensuring that the scraping rollers work continuously and effectively.

Benefits of technology

It achieves efficient scraping of leather surface materials, reduces material waste, ensures the stability and continuity of the scraping device, and avoids the problems of material dripping and accumulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dye scraping device for a leather double-sided roller coater, which comprises a bracket, a negative pressure machine and a spoiler, a distance adjusting piece is arranged on the bracket, two scraping rollers are arranged on the distance adjusting piece, the negative pressure machine is arranged on the bracket and is communicated with a storage box, the storage box is communicated with two absorption boxes, the absorption boxes are positioned on the side edges of the scraping rollers, and the spoiler is arranged on the bracket. The suction box is connected with a plurality of suction nozzles, the spoiler is installed on the distance adjusting piece and located on the side edge of the scraping roller on the upper portion, and a collecting piece is installed on the distance adjusting piece and located below the scraping roller on the lower portion. When the leather moves, the two scraping rollers extrude the leather so that redundant materials on the surface of the leather can be collected to be close to the scraping rollers, the flow blocking piece guides the flowing range of the materials, the collecting piece collects the materials, the negative pressure machine extracts the materials through the suction nozzle, and the materials are stored in the storage box and can be reused. And it is ensured that the scraping roller can continuously scrape the leather.
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Description

TECHNICAL FIELD

[0001] The utility model relates to leather processing technical field, concretely is a dye scraping device for leather double -sided roll coating machine. BACKGROUND

[0002] After leather is processed through the double -sided roll coating machine, the excess material on the leather surface needs to be cleaned to prevent the excess material from remaining on the leather.

[0003] In the related art, through the search, finds a dye scraping device on leather roll coater (CN211522235U) scheme, the double -sided of first coating roll and second coating roll carries out simultaneous dyeing to leather, to make the diffusion of dye in leather even, simultaneously, in the process of dyeing, the glue scraper roller removes the dye remaining on the coating roll in time, avoids the dyeing uneven phenomenon caused by residual dye.

[0004] However, by the glue scraper roller to the excess material on the leather, the accumulated material is more near the glue scraper roller after the scraping time becomes long, and the material needs to be cleaned again, and the good scraping effect cannot be maintained. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a dye scraping device for leather double -sided roll coating machine to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a dye scraping device for leather double -sided roll coating machine, including support, install the distance adjusting spare on the support, install two scraping rollers on the distance adjusting spare, and the distance adjusting spare changes the distance of two scraping rollers, and the application range is wide to adapt to different thicknesses of leather;

[0007] Negative pressure machine, the negative pressure machine is installed to the support and is communicated with the storage box, the storage box is communicated with two absorption boxes, the absorption box is located scraping roller side edge, and the absorption box is connected with a plurality of suction nozzles, and the material collected by the scraping roller can be sucked in time through the suction nozzle, and the continuous scraping effect of the scraping roller is stable.

[0008] Resistance sheet, the resistance sheet is installed to the distance adjusting spare and is located the scraping roller side edge in the upper part, install the collection sheet on the distance adjusting spare, the collection sheet is located the lower scraping roller below, and the resistance sheet and the collection sheet limit the free flow of the material near the scraping roller, and the suction nozzle can quickly extract the material.

[0009] Further, the distance adjusting piece comprises an electric cylinder and a transmission rod connected with the electric cylinder, the transmission rod is connected with a connecting shaft, the connecting shaft is assembled with two scraping rollers through an opening and closing piece, the opening and closing piece comprises an assembling rod, the assembling rod is in sliding connection with a support, the scraping roller is in rotation connection with the assembling rod, a strip-shaped opening is arranged on the surface of the assembling rod, a plug column is arranged in the strip-shaped opening, and the plug column is fixedly connected with the support.

[0010] Further, the flow resistance piece is a rectangular strip and is arranged in a downward inclination, so as to guide the material to the suction nozzle, and the collecting piece is arranged in an arc shape, and the lower suction nozzle penetrates the collecting piece, so that the collecting piece can prevent the material from dropping.

[0011] Compared with the prior art, the beneficial effects of the utility model are that the two scraping rollers are in contact with two surfaces of the leather, when the leather moves, the scraping rollers extrude the leather to collect the excess material on the surface of the leather, the flow resistance piece guides the flow range of the material, the collecting piece collects the material, the negative pressure machine extracts the material through the suction nozzle and stores the material in the storage box for reuse, and the scraping rollers can continuously scrape the leather. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a side view of the utility model;

[0013] Figure 2 It is a top view of the utility model;

[0014] Figure 3 It is a schematic view of the assembling rod and the plug column connection of the utility model.

[0015] In the drawing: 1, support; 2, storage box; 3, negative pressure machine; 4, electric cylinder; 5, transmission rod; 6, assembling rod; 7, strip-shaped opening; 8, plug column; 9, connecting shaft; 10, collecting piece; 11, scraping roller; 12, flow resistance piece; 13, suction box; 14, suction nozzle. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Embodiment:

[0018] Please refer to Figures 1-3The utility model provides a technical scheme: a dye scraping device for leather double -sided roll coating machine, including support 1, install distance adjusting spare on support 1, install two scraping rollers 11 on distance adjusting spare, and distance adjusting spare changes the interval of two scraping rollers 11, can scrape to the leather of different thickness also, can change and put the leather between scraping roller 11, still can control the pressure of scraping roller 11 to the leather,

[0019] Negative pressure machine 3 is installed to support 1 and is communicated with storage box 2, storage box 2 is communicated with two absorption boxes 13, absorption box 13 is located scraping roller 11 side, and absorption box 13 is connected with a plurality of suction nozzles 14, and negative pressure machine 3 makes absorption box 13 inside for negative pressure, and absorption box 13 is communicated with absorption box 13 through hose, and a plurality of suction nozzles 14 can simultaneously extract scraped material, realize the recovery of material,

[0020] Resistance sheet 12 is installed to distance adjusting spare and is located scraping roller 11 side in upper portion, and resistance sheet 12 ensures that material does not flow randomly, facilitates suction nozzle 14 to extract material, and distance adjusting spare is installed with collection sheet 10, and collection sheet 10 is located scraping roller 11 below in lower portion, prevents material from dripping to the ground.

[0021] In the embodiment, as shown in Figure 1 and Figure 3 Distance adjusting spare includes electric cylinder 4 and transmission rod 5 connected with electric cylinder 4, transmission rod 5 is connected with connecting shaft 9, connecting shaft 9 is assembled with two scraping rollers 11 through opening and closing spare, and electric cylinder 4 controls the opening angle of opening and closing spare through connecting shaft 9, and opening and closing spare further controls the interval of two scraping rollers 11.

[0022] In the embodiment, as shown in Figure 1 and Figure 3 Opening and closing spare includes assembly rod 6, assembly rod 6 is slidably connected with support 1, scraping roller 11 is rotatably connected with assembly rod 6, assembly rod 6 is arranged in V shape, which facilitates opening and closing, support 1 supports assembly rod 6, and cooperates with electric cylinder 4 to stably support scraping roller 11.

[0023] In the embodiment, as shown in Figure 1 and Figure 3 Assembly rod 6 is provided with strip-shaped port 7 on the surface, strip-shaped port 7 is provided with insertion column 8, insertion column 8 is fixedly connected with support 1, strip-shaped port 7 provides appropriate range for opening and closing of assembly rod 6, and insertion column 8 supports assembly rod 6 through strip-shaped port 7.

[0024] In the embodiment, as shown in Figure 3 Resistance sheet 12 is rectangular strip, and rectangular strip is arranged downwardly inclined, and the material hung down from scraping roller 11 is located between scraping roller 11 and rectangular strip, facilitating suction nozzle 14 to extract material.

[0025] In the embodiment, as shown in the drawings, the collecting sheet 10 is arranged in an arc shape, the suction nozzle 14 at the lower part penetrates the collecting sheet 10, and the scraped material flows to the bottom of the collecting sheet 10, facilitating the suction nozzle 14 to suck the material. Figure 3

[0026] Specifically, in use, the electric cylinder 4 drives the assembly rod 6 to move right through the transmission rod 5, the strip-shaped opening 7 on the assembly rod 6 moves along the insertion column 8, the opening of the assembly rod 6 is opened, and the distance between the scraping rollers 11 is increased, the leather is placed between the two scraping rollers 11, the electric cylinder 4 controls the scraping rollers 11 to reset and slightly clamp the leather, when the leather moves, the scraping rollers 11 press the leather and hang the material on the surface of the leather to the left side of the scraping rollers 11, the flow limiting sheet 12 limits the flow range of the material, the collecting sheet 10 collects the material hung down by the lower scraping roller 11, the negative pressure machine 3 sucks the air in the storage box 2, the storage box 2 sucks the material through the absorption box 13 and the suction nozzle 14, and stores the material in the storage box 2, the leather can be continuously scraped, the material in the storage box 2 can be reused, and the waste of the material is reduced.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.​

Claims

1. A dye scraping device for a leather double-sided roll coater, characterized by, Including: Support (1), the support (1) is installed with distance adjusting piece, two scraping rollers (11) are installed on the distance adjusting piece, and the distance adjusting piece changes the distance of the two scraping rollers (11); Negative pressure machine (3), the negative pressure machine (3) is installed on the support (1) and is communicated with the storage box (2), the storage box (2) is communicated with two absorption boxes (13), the absorption boxes (13) are located on the side of the scraping roller (11), and the absorption boxes (13) are connected with a plurality of suction nozzles (14); The blocking piece (12) is installed on the distance adjusting piece and is located on the side of the upper scraping roller (11), the distance adjusting piece is installed with the collecting piece (10), and the collecting piece (10) is located below the lower scraping roller (11).

2. A dye scraping device for a leather double-sided roll coater according to claim 1, characterized in that: The distance adjusting piece includes an electric cylinder (4) and a transmission rod (5) connected with the electric cylinder (4), the transmission rod (5) is connected with a connecting shaft (9), and the connecting shaft (9) is assembled with the two scraping rollers (11) through an opening and closing piece.

3. A dye scraping device for a leather double-sided roll coater according to claim 2, characterized in that: The opening and closing piece includes an assembly rod (6), the assembly rod (6) is slidably connected with the support (1), and the scraping roller (11) is rotatably connected with the assembly rod (6).

4. A dye scraping device for a leather double-sided roll coater according to claim 3, characterized in that: The surface of the assembly rod (6) is provided with a strip-shaped port (7), the strip-shaped port (7) is provided with a plug column (8), and the plug column (8) is fixedly connected with the support (1).

5. A dye scraping device for a leather double-sided roll coater according to claim 1, characterized in that: The blocking piece (12) is a rectangular strip, and the rectangular strip is inclined downward.

6. A dye scraping device for a leather double-sided roll coater according to claim 1, characterized in that: The collecting piece (10) is arranged in an arc shape, and the lower suction nozzle (14) penetrates the collecting piece (10).

Citation Information

Patent Citations

  • Dye scraping device on leather roller coater

    CN211522235U