阅读说明：本技术 一种成品革再回收装置及成品革再回收工艺 (Finished leather recycling device and finished leather recycling process ) 是由 徐祥进 兰莉 高德良 叶永彬 刘斌 杨顺 于 2020-06-28 设计创作，主要内容包括：本发明涉及皮革加工领域,公开了一种成品革再回收装置及成品革再回收工艺,其包括依次连通的烘干筒(1)、分离筒(2)和粉碎机(3),烘干筒(1)上安装有烘干出料管(101)并通过烘干出料管(101)将烘干后的成品革输送至分离筒(2)内,分离筒(2)包括同轴设置的内筒(21)和外筒(22),内筒(21)的壁面上设有过滤长孔(211),外筒(22)的下端与粉碎机(3)连通,还包括与粉碎机(3)连通出料端连通的喷料装置(4)。本发明通过烘干筒、分离筒和粉碎筒对成品革进行筛选,从而对小块无法使用的成品革进行粉碎并作为其他革料加工时的辅料使用,提高了产品质量,降低了成本。(The invention relates to the field of leather processing, and discloses a finished leather recycling device and a finished leather recycling process, which comprise a drying cylinder (1), a separating cylinder (2) and a pulverizer (3) which are sequentially communicated, wherein a drying discharge pipe (101) is arranged on the drying cylinder (1), the dried finished leather is conveyed into the separating cylinder (2) through the drying discharge pipe (101), the separating cylinder (2) comprises an inner cylinder (21) and an outer cylinder (22) which are coaxially arranged, a filtering long hole (211) is formed in the wall surface of the inner cylinder (21), the lower end of the outer cylinder (22) is communicated with the pulverizer (3), and the finished leather recycling device further comprises a material spraying device (4) communicated with the discharging end of the pulverizer (3). According to the invention, the finished leather is screened by the drying cylinder, the separating cylinder and the crushing cylinder, so that small pieces of finished leather which cannot be used are crushed and used as auxiliary materials in other leather processing, the product quality is improved, and the cost is reduced.)

1. The utility model provides a finished leather recovery unit again which characterized in that: comprises a drying cylinder (1) which are communicated in sequence, cylinder (2) and rubbing crusher (3), install stoving discharging pipe (101) on stoving cylinder (1) and carry to cylinder (2) through stoving discharging pipe (101) the finished product leather after drying in, cylinder (2) are including inner tube (21) and urceolus (22) of coaxial setting, inner tube (21) are connected with the motor and drive it at urceolus (22) internal rotation through the motor, be equipped with on the wall of inner tube (21) and filter slot hole (211), the lower extreme and rubbing crusher (3) the intercommunication of urceolus (22), crushing discharging pipe (301) are installed to the discharge end of rubbing crusher (3), still including spouting material device (4), crushing discharging pipe (301) with spout material device (4) and be connected, still include pressing platform (5), spout material device (4) and spout the finished product leather after smashing on pressing platform (5) and suppress.

2. A finished leather recycling apparatus as claimed in claim 1, wherein: the axes of the inner cylinder (21) and the outer cylinder (22) form an inclination angle of 20-30 degrees with the horizontal plane and the discharge ends of the inner cylinder and the outer cylinder are arranged downwards; the diameter of the outer cylinder (22) is 150mm-170mm larger than that of the inner cylinder (21); the inner wall of the inner cylinder (21) is provided with a spiral guide groove (212), and the spiral guide groove (212) is spirally arranged towards the discharge end of the inner cylinder (21).

3. A finished leather recycling apparatus as claimed in claim 1, wherein: the section of the long filtering hole (211) is rectangular, the width of the long filtering hole (211) is 170-190 mm, and the height of the long filtering hole (211) is 10-15 mm; the axial direction of the filtering long hole (211) is tangent to the wall surface of the inner cylinder (21).

4. A finished leather recycling apparatus as claimed in claim 1, wherein: the discharge end of the inner cylinder (21) is provided with a rear separation discharge pipe (2101) and further comprises a storage bin (6), the separation discharge pipe (2101) is communicated with the storage bin (6) and guides the screened finished leather into the storage bin (6).

5. A finished leather recycling apparatus as claimed in claim 1, wherein: be equipped with in rubbing crusher (3) and smash chamber (30), it is circular shape cavity to smash chamber (30) for the cross-section, smash install rotation axis (31) in chamber (30) and adorn crushing blade (32) of installing at rotation axis (31) admittedly, crushing blade (32) with smash chamber (30) inner wall cooperation, smash the lower extreme in crushing chamber (30) in crushing discharging pipe (301) set up, the upper end in crushing chamber (30) is equipped with smashes inlet pipe (302) with separator cylinder (2) intercommunication, be equipped with baffle box (33) on crushing chamber (30) inner wall, baffle box (33) spiral sets up downwards and guides the material to crushing blade (32) on the plane.

6. A finished leather recycling apparatus as claimed in claim 1, wherein: the material spraying device (4) comprises a material spraying barrel (41) and a material spraying head (42) communicated with the material spraying barrel (41), the material spraying barrel (41) is communicated with the crushing discharging pipe (301), a material spraying pipe (43) is connected between the material spraying head (42) and the material spraying barrel (41), an air pump (44) is connected to the material spraying pipe (43), and the air flow of the air pump (44) drives the material spraying in the material spraying barrel (41) to be sprayed out from the nozzle (42); the material spraying device (4) further comprises a positioning assembly (45), the positioning assembly (45) comprises two sliding rails (451) arranged above the outer side of the pressing platform (5), the two sliding rails (451) are arranged in parallel, the material spraying frame (452) further comprises a sliding block matched with the sliding rails (451), and the material spraying head (42) is arranged on the material spraying frame (452); a scraper (453) is further installed on the material spraying frame (452), the scraper (453) is perpendicular to the sliding rail (451) and is wider than the width of the pressing platform (5) below, the scraper (453) extends downwards and controls the material spraying thickness of the pressing platform (5), and a long hole is formed in the scraper (453) and the height of the scraper is fixed through a screw matched with the long hole; the material spraying pipe (43) is also communicated with a glue cylinder (46) for storing glue.

7. A finished leather recycling apparatus as claimed in claim 1, wherein: the pressing table (5) comprises a lower table top (51) and an upper pressing plate (52), the upper pressing plate (52) is a hydraulic plate, and a baffle (511) is arranged at the edge of the lower table top (51).

8. A finished leather recycling process is characterized in that: the method comprises the following steps:

1) polishing the grain surface layer of the finished leather by using sand paper;

2) drying the polished finished leather by a drying cylinder (1);

3) the dried finished leather is screened and filtered through the separating cylinder (2), the separating cylinder (2) separates the dried finished leather into the leather to be treated with a small area and the usable leather with a large area through the built-in filtering long holes (211), and the leather to be treated is crushed through the crusher (3) to form scrap leather;

4) laying usable leather on a pressing table (5);

5) spraying the scrap leather on the usable leather through a spraying device (4);

6) a hydraulic upper press plate (52) in the pressing station (5) presses and shapes the usable leather and the scrap leather sprayed on the usable leather.

9. The finished leather recycling process according to claim 8, characterized in that: in the step 2), the drying temperature is set to 80 ℃ and dried for 30min, then the temperature is reduced to 60 ℃ and dried for 10min, and then the temperature is increased to 90 ℃ and dried for 10 min.

10. The finished leather recycling process according to claim 1, characterized in that: and step 5) is also sprayed with leather glue, and the leather glue comprises 3-5 parts of fiber powder, 20-30 parts of leather glue, 10-12 parts of ethyl acrylate, 3-4 parts of acrylonitrile, 2-4 parts of sodium hydroxide, 5-6 parts of octanol, 2-8 parts of polyvinyl ester, 6-8 parts of emulsifier, 5-7 parts of naphthenic oil, 3-4 parts of antioxidant, 45-55 parts of water and 8-10 parts of glycerol.

Technical Field

The invention relates to the field of leather processing, in particular to a finished leather recycling device and a finished leather recycling process.

Background

The medium-high end kraft furniture leather has high hand feeling and quality requirements, the blank selection rate of raw materials and the qualification rate of the production process are not high due to the impurity of raw materials and low mechanization degree of the production process, the qualification rate of the product in the production process which is better and is done by the same lines at home and abroad is 95-96%, the selected unqualified product is basically changed into a heavy-pressure recoated product (the lowest-grade product) after reworking, and even a plurality of products are treated as waste materials, so that how to improve the quality grade of the reworked treated product directly influences the market competitiveness of an enterprise.

At present, the invention patent with patent number 201510666565.8 also has the defects of high cost, large pollution and the like.

Disclosure of Invention

The invention provides a finished leather recycling device and a finished leather recycling process aiming at the defects in the prior art.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the utility model provides a finished leather recovery unit again, including the stoving section of thick bamboo that communicates in proper order, a separating cylinder and rubbing crusher, install the stoving discharging pipe on the stoving section of thick bamboo and carry the finished leather after drying to the separating cylinder in through the stoving discharging pipe, the separating cylinder is including the inner tube and the urceolus of coaxial setting, the inner tube is connected with the motor and drives its external rotation through the motor, be equipped with the filtration slot hole that allows fritter finished leather to pass on the wall of inner tube, the lower extreme of urceolus is through smashing passageway and rubbing crusher intercommunication, the fritter finished leather that is located in the urceolus is carried to rubbing crusher in and is smashed through smashing the passageway, crushing discharging pipe is installed to rubbing crusher's discharge end, still including spouting the material device, smash the discharging pipe and spout the material device and be connected, still include the suppression platform, spout the finished leather after.

Preferably, the axes of the inner cylinder and the outer cylinder form an inclination angle of 20-30 degrees with the horizontal plane, and the discharge ends of the inner cylinder and the outer cylinder are arranged downwards; the diameter of the outer cylinder is 150mm-170mm larger than that of the inner cylinder; the inner wall of the inner cylinder is provided with a spiral guide groove which is spirally arranged towards the discharge end of the inner cylinder.

Preferably, the section of the long filtering hole is rectangular, the width of the long filtering hole is 170-190 mm, and the height of the long filtering hole is 10-15 mm; the axial direction of the filtering long hole is tangent to the wall surface of the inner cylinder.

Preferably, the discharge end of the inner barrel is provided with a rear separation discharge pipe and further comprises a storage bin, and the separation discharge pipe is communicated with the storage bin and guides the screened finished leather into the storage bin.

Preferably, a crushing cavity is arranged in the crusher, the section of the crushing cavity is a circular cavity, a rotating shaft and a crushing blade fixedly mounted on the rotating shaft are mounted in the crushing cavity, the crushing blade is matched with the inner wall of the crushing cavity, a crushing discharging pipe is arranged at the lower end of the crushing cavity, a crushing feeding pipe communicated with the separating cylinder is arranged at the upper end of the crushing cavity, a material guide groove is arranged on the inner wall of the crushing cavity, and the material guide groove is spirally and downwards arranged and guides materials to the plane where the crushing blade is located.

As preferred, spout the material device including spout the feed cylinder and with spout the stub bar that the feed cylinder communicates, spout the feed cylinder and smash the discharging pipe intercommunication, spout the stub bar and spout and be connected with between the feed cylinder and spout the material pipe, spout and be connected with the air pump on the material pipe and spout in the feed cylinder and spout from the shower nozzle through the air current drive of air pump.

As preferred, the material spraying device further comprises a positioning assembly, the positioning assembly comprises two sliding rails arranged above the outer side of the pressing platform in parallel, the material spraying device further comprises a material spraying frame, sliding blocks matched with the sliding rails are arranged at the two ends of the material spraying frame, and the material spraying head is arranged on the material spraying frame.

Preferably, the material spraying frame is further provided with a scraper which is arranged perpendicular to the sliding rail and is wider than the width of the pressing platform below, the scraper extends downwards and controls the thickness of the sprayed material on the pressing platform, and the scraper is provided with a long hole and is fixed in height through a screw matched with the long hole.

Preferably, the material spraying pipe is also communicated with a glue cylinder for storing glue.

Preferably, the pressing table comprises a lower table top and an upper pressing plate, the upper pressing plate is a hydraulic plate, and a baffle is arranged at the edge of the lower table top.

A finished leather recycling process comprises the following steps:

1) polishing the grain surface layer of the finished leather by using sand paper;

2) drying the polished finished leather by a drying cylinder;

3) the dried finished leather is screened and filtered through a separating cylinder, the dried finished leather is separated into leather to be treated with a small area and usable leather with a large area through a built-in filtering long hole of the separating cylinder, and the leather to be treated is crushed through a crusher to form scrap leather;

4) laying usable leather on a pressing table;

5) spraying the scrap leather on the usable leather through a spraying device;

6) the hydraulic upper press plate in the pressing station presses and shapes the usable leather and the scrap leather sprayed on the usable leather.

Preferably, in the step 2), the drying temperature is set to 80 ℃ and dried for 30min, then the temperature is reduced to 60 ℃ and dried for 10min, and then the temperature is increased to 90 ℃ and dried for 10 min.

Preferably, the leather glue is sprayed in the step 5), and the leather glue comprises 3-5 parts of fiber powder, 20-30 parts of leather glue, 10-12 parts of ethyl acrylate, 3-4 parts of acrylonitrile, 2-4 parts of sodium hydroxide, 5-6 parts of octanol, 2-8 parts of polyvinyl ester, 6-8 parts of emulsifier, 5-7 parts of naphthenic oil, 3-4 parts of antioxidant, 45-55 parts of water and 8-10 parts of glycerol.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: finished leather is screened through a drying cylinder, a separating cylinder and a crushing cylinder, so that the small pieces of the finished leather which cannot be used are crushed and used as auxiliary materials in other leather processing, the product quality is improved, and the cost is reduced.

Drawings

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

Fig. 2 is a schematic view of the structure of the separation cylinder of fig. 1.

Fig. 3 is a schematic view of the shredder of fig. 1.

Fig. 4 is a schematic structural view of the positioning assembly of fig. 1.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-drying cylinder, 2-separating cylinder, 3-pulverizer, 4-spraying device, 5-pressing table, 6-storage bin, 101-drying discharging pipe, 21-inner cylinder, 211-filtering long hole, 212-spiral guiding groove, 2101-separating discharging pipe, 22-outer cylinder, 30-pulverizing cavity, 301-pulverizing discharging pipe, 302-pulverizing feeding pipe, 31-rotating shaft, 32-pulverizing blade, 33-guiding groove, 41-spraying cylinder, 42-spraying head, 43-spraying pipe, 44-air pump, 45-positioning component, 451-slide rail, 452-spraying frame, 453-scraping plate, 46-glue cylinder, 51-lower table, 51-upper pressing plate and 511-baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.