Preparation device of grease type fatliquor for ecological leather

Abstract

The invention relates to the technical field of greasing agent preparation, in particular to a preparation device of a grease type greasing agent for ecological leather, and the preparation device comprises a cooling unit and a filtering unit. The mixture is quantitatively filtered and quantitatively cooled at the same time, the mixture dispersedly flows downwards in the process that the mixture makes contact with the filtering grid plate, solid particles in the mixture are completely filtered through cooperation of the filtering grid plate and the second filtering frame, the filtering grid plate can reduce the filtering pressure of the second filtering frame, and the filtering efficiency is improved. A large number of solid particles are prevented from being accumulated on the surface of the second filtering frame to cause blockage, filtering and cooling are synchronously carried out in the whole process, the processing efficiency of the device is improved, and meanwhile the cooling and filtering difficulty of the mixture is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of fatliquor preparation, in particular to a device for preparing an oil-based fatliquor for ecological leather. Background Art

[0002] Leather fatliquor is a leather agent, which is divided into water-insoluble fatliquor and water-soluble emulsion fatliquor. Leather absorbs a certain amount of oil and fat, which can enhance the physical and mechanical properties of leather, and make the leather soft, elastic, waterproof, dye-fixing, anti-bending and other excellent properties. The processing process of acid-resistant and chromium-resistant fatliquor is to add high-carbon alcohol polyether and maleic anhydride into the reactor, heat it to 95-105℃, react for 2 hours to prepare high-carbon alcohol polyether succinate, then add mineral oil, paraffin and high-carbon alcohol polyether succinate into the reactor, heat it to 55-65℃ and stir evenly, then add surfactant and succinate sulfonate, stir at constant temperature, after stirring, add liquid alkali to adjust the pH to make it suitable for leather processing requirements, softener and filler can be added at the same time, then cool the prepared fatliquor with a certain temperature to room temperature, filter it, and finally seal the finished product for storage.

[0003] The traditional method is to perform cooling and filtration separately. On the one hand, the cooling speed is slow and the time is long, resulting in a long waiting time for the filtration operation; on the other hand, the filtration pressure is high when the cooled fatliquor is filtered at one time, the processing efficiency of the device is reduced, and the demand for site area is increased. The surface of the filter screen after filtration is easily blocked by a large number of solid particles, thereby affecting the filtration effect of the subsequent fatliquor. Summary of the invention

[0004] In view of the above problems, the present application provides a device for preparing an oil-based fatliquor for eco-leather to solve the technical problems of low processing efficiency and high filtration pressure in the related art. In order to achieve the above purpose, the present application provides the following technical solutions.

[0005] A preparation device for an oil-based fatliquor for eco-leather according to an embodiment of the present application comprises a cooling unit and a filtering unit, wherein the filtering unit is arranged on the cooling unit and is used for filtering the fatliquor; the cooling unit comprises a fixed platform, a cooling cylinder is fixedly installed on the upper end of the fixed platform, a water inlet pipe is fixedly installed on the upper side of the right rear end of the cooling cylinder, a drainage pipe is fixedly installed on the lower side of the left front end of the cooling cylinder, support columns are evenly fixedly installed on the inner end of the cooling cylinder, an oil collecting cylinder is fixedly installed on the ends of the support columns, an oil inlet pipe is fixedly installed on the left rear end of the oil collecting cylinder, a motor 1 is fixedly installed on the lower end of the oil collecting cylinder and is located in the fixed platform through a motor seat, and a stirring frame is fixedly installed on the output shaft of the motor 1 through a coupling; the filtering unit It comprises a filter frame 1, a filter frame 1 is arranged on the upper end of the oil storage cylinder, a filter frame 2 is fixedly installed on the lower end of the oil storage cylinder and located in the fixed platform, and an oil delivery frame is evenly arranged on the oil storage cylinder; the filter frame 1 comprises a support rod, a retractable support rod is fixedly installed on the upper end of the front side of the oil storage cylinder, an annular bracket is hinged at the end of the support rod, a threaded rod is connected to the middle part of the support rod in a threaded connection manner, the end of the threaded rod is hinged to the annular bracket, an arc-shaped filter grid plate is fixedly installed on the lower side of the inner end of the annular bracket, a rotating cylinder symmetrically arranged on the left and right is fixedly installed at the front end of the filter grid plate, the diameter of the rotating cylinder is larger than the distance between the inner and outer rings of the annular bracket, and a control handle is fixedly installed at the front end of the rotating cylinder on the front side.

[0006] According to an embodiment of the present invention, a partition ring is evenly and fixedly installed on the inner end of the cooling cylinder, the inner ring surface of the partition ring is fixedly connected to the outer ring surface of the oil containing cylinder, rectangular through holes are evenly opened on the partition ring, and a plurality of rectangular through holes are evenly arranged along the circumference of the cooling cylinder, and the ends of the rectangular through holes are rotatably connected to a rotating square plate through a pin shaft, a torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected to the rotating square plate, and the other end of the torsion spring is fixedly connected to the partition ring.

[0007] According to an embodiment of the present invention, the stirring frame includes a rotating column, an output shaft of a motor is fixedly mounted with the rotating column via a coupling, an inclined stirring rod is evenly fixedly mounted on the outer end of the rotating column, the inclination angles of adjacent stirring rods are different, and an arc-shaped fan blade is evenly fixedly mounted on the upper end of the rotating column.

[0008] According to an embodiment of the present invention, the second filter frame includes an oil outlet pipe, an L-shaped oil outlet pipe is fixedly installed at the lower end of the oil cylinder and located in the fixed platform, a circular filter plate is fixedly installed at the upper inner end of the oil outlet pipe, and a heat-resistant valve is fixedly installed at the inner end of the oil outlet pipe and located on the upper side of the circular filter plate.

[0009] According to an embodiment of the present invention, the oil delivery rack includes a sprocket 1, a sprocket group is evenly arranged on the oil cylinder, the sprocket group is composed of a sprocket 1 that is symmetrical up and down, the sprockets 1 on the upper and lower sides are connected through a toothed chain belt 1 for transmission, an inclined oil box is evenly fixedly installed on the toothed chain belt 1 and toward one end of the center of the oil cylinder, the opening of the oil box faces the toothed chain belt 1, a motor 2 is fixedly installed on the right end of the cooling cylinder through a motor seat, a transmission frame is fixedly installed on the output shaft of the motor 2 through a coupling, the end of the transmission frame is fixedly connected to the sprocket 1 on the upper side, and an oil guide plate is fixedly installed on the upper end of the oil cylinder and at a sprocket located on the upper side.

[0010] According to an embodiment of the present invention, an arc-shaped guide rod is fixedly installed in the middle of the upper end of the filter mesh plate, and an elastic scraper is connected to the upper end of the filter mesh plate and located at the lower end of the arc-shaped guide rod in a sliding manner. Arc-shaped guide grooves are symmetrically opened on the left and right sides of the annular bracket, and the left and right ends of the elastic scraper slide through the arc-shaped guide grooves. Anti-slip blocks are fixedly installed on the left and right ends of the elastic scraper, and a traction wire rope is fixedly installed on the rotating cylinder. The traction wire rope passes through the arc-shaped guide rod and is fixedly connected to the elastic scraper.

[0011] According to an embodiment of the present invention, the transmission frame includes pulley 1, and the output shaft of motor 2 is fixedly installed with pulley 1 through a coupling, pulley 1 is coaxially connected with the sprocket on the upper right side, and bevel gear 1 is coaxially connected with the sprocket on the upper rear side, and bevel gear 2 meshing with bevel gear 1 is fixedly installed on the cooling cylinder, pulley 2 is fixedly installed on the right end of bevel gear 2, and pulley 2 and pulley 1 are connected through belt 1 transmission, pulley 3 is fixedly installed on the left end of sprocket 1 on the left and upper side, pulley 4 is fixedly installed on the left end of bevel gear 2, and pulley 4 and pulley 3 are connected through belt 2 transmission.

[0012] According to an embodiment of the present invention, the support rod includes a positioning column, a horizontal positioning column is fixedly installed on the upper end of the oil cylinder and located on the front side, a connecting rod is connected to the middle part of the positioning column and one end facing the center of the oil cylinder in a sliding manner, the end of the connecting rod and the annular bracket are hinged by a pin shaft, a torsion spring 2 is sleeved on the pin shaft, one end of the torsion spring 2 is fixedly connected to the connecting rod, and the other end of the torsion spring 2 is fixedly connected to the annular bracket, the middle part of the positioning column is connected to the threaded rod in a threaded manner, and the end of the threaded rod slides through the connecting rod and the annular bracket for rotational connection.

[0013] It can be seen from the above technical solutions that the present invention has the following advantages:

[0014] 1. In the present invention, the cooling cylinder is used to initially cool the fatliquor, and the oil delivery rack cooperates with the filter grid plate to quantitatively filter the fatliquor while using air to assist in cooling the fatliquor in the flow process. When the fatliquor contacts the filter grid plate, the fatliquor disperses and falls, increasing the contact area with the air and accelerating the cooling. The filter grid plate cooperates with the filter frame 2 to completely filter the solid particles in the fatliquor. The filter grid plate can reduce the filtering pressure of the filter frame 2 and prevent a large number of solid particles from accumulating on the surface of the filter frame 2 to cause blockage. In the whole process, filtration and cooling are carried out simultaneously, which improves the processing efficiency of the device and reduces the difficulty of cooling and filtering the fatliquor.

[0015] 2. In the present invention, the partition ring cooperates with the rotating square plate to allow cooling water to gradually fill the space between the cooling cylinder and the oil holding cylinder from top to bottom. The cooling water gradually flows downward, causing the cooling water temperature in the cooling cylinder to gradually increase from top to bottom, so that the fatliquor is gradually cooled down, thereby preventing the fatliquor from being suddenly cooled and solidified.

[0016] 3. In the present invention, during the downward dispersion flow of the filtered fatliquor, the rotating arc-shaped fan blades accelerate the air flow, thereby further cooling the fatliquor.

[0017] 4. In the present invention, when the control handle is turned to drive the filter mesh plate to rotate, the rotating cylinder rotates accordingly, and the traction wire rope is wound up, so that the elastic scraper moves toward the rotating cylinder accordingly. Under the guidance of the arc guide rod and the arc guide rod, the elastic scraper fits with the surface of the filter mesh plate, thereby scraping off the solid particles attached to the surface of the filter mesh plate, so that the solid particles accumulated on the surface of the filter mesh plate fall downward to the outside of the oil collecting cylinder for collection, thereby preventing a large amount of solid particles from accumulating on the surface of the filter mesh plate, so as to facilitate the next filtration of the filter mesh plate.

[0018] In addition to the technical problems solved by the embodiments of the present application described above, the technical features that constitute the technical scheme, and the beneficial effects brought about by the technical features of these technical schemes, other technical problems that can be solved by a preparation device based on a fatliquor for eco-leather provided by the embodiments of the present application, other technical features included in the technical scheme, and the beneficial effects brought about by these technical features will be further described in detail in the specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the main stereoscopic structure of the present invention is shown.

[0021] Figure 2 A schematic diagram of the cross-sectional plan structure of the present invention is shown from the left.

[0022] Figure 3 Shows Figure 2 A local enlarged view of location N.

[0023] Figure 4 Shows Figure 2 A local enlarged view of point M.

[0024] Figure 5 A schematic diagram of the top plan structure of the present invention is shown.

[0025] Figure 6 Shows Figure 5 AA section view.

[0026] Figure 7 A schematic diagram of the cross-sectional plan structure of the filter frame 2 is shown.

[0027] The above drawings include the following reference numerals:

[0028] 1. Cooling unit; 11. Fixing table; 12. Cooling cylinder; 121. Bulkhead ring; 122. Rectangular through hole; 123. Rotating square plate; 124. Torsion spring 1; 13. Water inlet pipe; 14. Drain pipe; 15. Support column; 16. Oil cylinder; 17. Oil inlet pipe; 18. Motor 1; 19. Stirring frame; 191. Rotating column; 192. Stirring rod; 193. Arc-shaped fan blade; 2. Filter unit; 21. Filter frame 1; 211. Support rod; 2111. Positioning column; 2112. Connecting rod; 212. Ring bracket; 213. Threaded rod; 214. Filter grid plate; 2141. Arc-shaped guide rod; 21 43. Elastic scraper; 2144. Anti-slip block; 2145. Traction wire rope; 216. Rotating cylinder; 217. Control handle; 22. Filter rack 2; 221. Oil outlet pipe; 222. Round filter plate; 223. Heat-resistant valve; 23. Oil delivery rack; 231. Sprocket 1; 232. Toothed chain belt 1; 233. Oil box; 234. Motor 2; 235. Transmission rack; 2351. Pulley 1; 2352. Bevel gear 1; 2353. Bevel gear 2; 2354. Pulley 2; 2355. Belt 1; 2356. Pulley 3; 2357. Pulley 4; 2358. Belt 2; 236. Oil guide plate. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0030] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 A preparation device of an oil-based fatliquor for eco-leather comprises a cooling unit 1 and a filtering unit 2. The filtering unit 2 is arranged on the cooling unit 1 and is used to filter the fatliquor; the cooling unit 1 comprises a fixed platform 11, a cooling cylinder 12 is fixedly installed on the upper end of the fixed platform 11, a water inlet pipe 13 is fixedly installed on the upper side of the right rear end of the cooling cylinder 12, a drainage pipe 14 is fixedly installed on the lower side of the left front end of the cooling cylinder 12, support columns 15 are evenly fixedly installed on the inner end of the cooling cylinder 12, an oil cylinder 16 is fixedly installed at the ends of the support columns 15, an oil inlet pipe 17 is fixedly installed on the left rear end of the oil cylinder 16, a motor 18 is fixedly installed on the lower end of the oil cylinder 16 and is located in the fixed platform 11 through a motor seat, and a stirring frame 19 is fixedly installed on the output shaft of the motor 18 through a coupling.

[0031] The filter unit 2 includes a filter frame 21, a filter frame 21 is provided on the upper end of the oil cylinder 16, a filter frame 22 is fixedly installed at the lower end of the oil cylinder 16 and located in the fixed platform 11, and an oil delivery frame 23 is evenly arranged on the oil cylinder 16; the filter frame 21 includes a support rod 211, a retractable support rod 211 is fixedly installed on the upper end of the front side of the oil cylinder 16, an annular bracket 212 is hinged at the end of the support rod 211, a threaded rod 213 is connected to the middle part of the support rod 211 in a threaded manner, and the end of the threaded rod 213 is hinged to the annular bracket 212, an arc-shaped filter grid plate 214 is fixedly installed on the lower side of the inner end of the annular bracket 212, and a rotating cylinder 216 arranged symmetrically on the left and right is fixedly installed at the front end of the filter grid plate 214, the diameter of the rotating cylinder 216 is larger than the distance between the inner and outer rings of the annular bracket 212, and a control handle 217 is fixedly installed on the left end of the rotating cylinder 216 on the left.

[0032] Add high carbon alcohol polyether and maleic anhydride into a reactor, heat to 100°C, react for 2 hours to prepare high carbon alcohol polyether succinate, then add mineral oil, paraffin and high carbon alcohol polyether succinate into the reactor, heat to 60°C and stir evenly, then add surfactant and succinate sulfonate, stir at constant temperature, after stirring, add liquid alkali to adjust the pH to make it suitable for leather processing requirements, softener and filler can be added at the same time, prepare a fatting agent with a certain temperature, pass the fatting agent into the oil cylinder 16 through the oil inlet pipe 17, pass the cooling water into the cooling cylinder 12 through the water inlet pipe 13. The temperature of the cooling water introduced can be gradually reduced to avoid a large temperature difference with the fatting agent; the motor 18 drives the stirring rack 19 to stir the fatting agent to ensure that the undissolved solid particles in the fatting agent are in a suspended state, to prevent a large amount of solid particles from sinking to the bottom and affecting the working effect of the oil delivery rack 23; a certain amount of fatting agent is scooped out through the oil delivery rack 23 and moved upward to the top of the filter mesh plate 214, and the fatting agent is poured downward. In the process of the fatting agent flowing downward, the air is used to contact the fatting agent to further cool it down. In the process of contacting the filter mesh plate 214, the fatting agent is The fatliquor is forced to disperse, thereby increasing the contact area with the air and accelerating the cooling of the fatliquor; the fatliquor is filtered through the filter mesh plate 214, and the filtered fatliquor disperses and flows downward. During the flow process, the fatliquor is quantitatively filtered and cooled at the same time. The fatliquor is cooled by cooling water and air. When a large number of solid particles in the fatliquor are filtered by the filter mesh plate 214, a small amount of solid particles remaining in the fatliquor are filtered by the filter frame 22, and the filtering pressure of the filter frame 22 is reduced by the filter mesh plate 214 to prevent a large amount of solid particles from being filtered. Solid particles accumulate on the surface of the filter frame 22 and cause blockage. When the filtering is completed, the filter mesh plate 214 is driven to move by rotating the threaded rod 213, so that the filter mesh plate 214 moves to the side wall of the oil cylinder 16, and the control handle 217 is manually rotated to a certain angle, thereby driving the filter mesh plate 214 to rotate forward a certain angle, so that the solid particles accumulated and attached to the surface of the filter mesh plate 214 fall downward to the outside of the oil cylinder 16 for collection, preventing a large amount of solid particles from accumulating on the surface of the filter mesh plate 214, so that the filter mesh plate 214 can perform the next filtering.

[0033] See also Figure 3The inner end of the cooling cylinder 12 is evenly fixed with a baffle ring 121, the inner ring surface of the baffle ring 121 is fixedly connected to the outer ring surface of the oil container 16, and rectangular through holes 122 are evenly opened on the baffle ring 121. A plurality of rectangular through holes 122 are evenly arranged along the circumference of the cooling cylinder 12, and the ends of the rectangular through holes 122 are rotatably connected to a rotating square plate 123 through a pin shaft, and a torsion spring 124 is sleeved on the pin shaft, one end of the torsion spring 124 is fixedly connected to the rotating square plate 123, and the other end of the torsion spring 124 is fixedly connected to the baffle ring 121; cooling water is introduced into the cooling cylinder 12 through the water inlet pipe 13, and when each baffle ring 121 is connected to the cooling cylinder After the space between 12 and the oil cylinder 16 is filled with cooling water, continue to introduce cooling water, and the rotating square plate 123 rotates under the pressure of the cooling water. The cooling water enters the space between the next partition ring 121 and the cooling cylinder 12 and the oil cylinder 16 from the rectangular through hole 122 until the space between the cooling cylinder 12 and the oil cylinder 16 is completely filled. Since the temperature of the fatliquor at the bottom of the oil cylinder 16 is higher than the temperature of the upper fatliquor inside the oil cylinder 16, the cooling water temperature in the cooling cylinder 12 is gradually increased from top to bottom by the cooling water gradually flowing downward, so that the fatliquor is gradually cooled and cooled, thereby preventing the fatliquor from suddenly cooling and solidifying.

[0034] See also Figure 2 The stirring frame 19 includes a rotating column 191, and the output shaft of the motor 18 is fixedly installed with the rotating column 191 through a coupling. The outer end of the rotating column 191 is evenly fixedly installed with an inclined stirring rod 192, and the inclination angles of adjacent stirring rods 192 are different. The upper end of the rotating column 191 is evenly fixedly installed with an arc-shaped fan blade 193; the rotating column 191 is driven to rotate by the motor 18, thereby driving the stirring rod 192 to rotate, and the fatliquor is stirred. The rotating column 191 drives the arc-shaped fan blade 193 to rotate. In the process of the filtered fatliquor being dispersed and flowing downward, the rotating arc-shaped fan blade 193 accelerates the air flow, thereby further cooling the fatliquor.

[0035] See also Figure 7 The filter frame 22 includes an oil outlet pipe 221, an L-shaped oil outlet pipe 221 is fixedly installed at the lower end of the oil cylinder 16 and located in the fixed platform 11, a circular filter plate 222 is fixedly installed at the inner end of the upper side of the oil outlet pipe 221, and a heat-resistant valve 223 is fixedly installed at the inner end of the oil outlet pipe 221 and located on the upper side of the circular filter plate 222; when a large amount of solid particles in the fatliquor are filtered by the filter grid plate 214, the heat-resistant valve 223 is opened, and the fatliquor is discharged from the oil cylinder 16 and collected after filtering out a small amount of residual solid particles through the circular filter plate 222.

[0036] See also Figure 5 and Figure 6The oil delivery rack 23 includes a sprocket 1 231. The oil cylinder 16 is evenly provided with a sprocket group. The sprocket group is composed of a sprocket 1 231 that is symmetrical up and down. The sprockets 1 231 on the upper and lower sides are connected by a toothed chain belt 1 232. An inclined oil box 233 is evenly fixedly installed on the toothed chain belt 1 232 and facing the center of the oil cylinder 16. The opening of the oil box 233 faces the toothed chain belt 1 232. A motor 234 is fixedly installed on the right end of the cooling cylinder 12 through a motor seat. A transmission frame 235 is fixedly installed on the output shaft of the motor 234 through a coupling. The end of the transmission frame 235 An oil guide plate 236 is fixedly installed on the upper end of the oil cylinder 16 and on the sprocket 231 on the upper side, and is fixedly connected to the upper sprocket 231. The transmission frame 235 is driven to move by the motor 234. With the cooperation of the transmission frame 235, all the sprockets 231 on the upper side rotate. With the cooperation of the toothed chain belt 232, all the sprockets 231 rotate, and the inclined oil box 233 moves with the movement of the toothed chain belt 232. The oil in the oil box 233 on the uppermost side flows downward and enters the filter mesh plate 214 along the oil guide plate 236 for filtration.

[0037] See also Figure 4 and Figure 5, an arc-shaped guide rod 2141 is fixedly installed in the middle of the upper end of the filtering grid plate 214, and an elastic scraper 2143 is connected to the upper end of the filtering grid plate 214 and located at the lower end of the arc-shaped guide rod 2141 in a sliding manner, and arc-shaped guide grooves are symmetrically opened on the left and right sides of the annular bracket 212, and the left and right ends of the elastic scraper 2143 slide through the arc-shaped guide grooves, and anti-slip blocks 2144 are fixedly installed on the left and right ends of the elastic scraper 2143, and a traction wire rope 2145 is fixedly installed on the rotating cylinder 216, and the traction wire rope 2145 penetrates the arc-shaped guide rod 2141 and is fixedly connected to the elastic scraper 2143; the upper end of the elastic scraper 2143 is limited and guided by the arc-shaped guide rod 2141, and the left and right sides of the elastic scraper 2143 are limited and guided by the annular bracket 212, and the elastic scraper 2143 is prevented from being separated from the annular bracket 212 by the anti-slip block 2144, When the manual control handle 217 is rotated by a certain angle, the annular bracket 212 and the filter mesh plate 214 are rotated by a certain angle, and the rotating cylinder 216 is rotated by a certain angle. After rotating by the same angle, since the diameter of the rotating cylinder 216 is larger than the distance between the inner and outer rings of the annular bracket 212, that is, larger than the diameter of the circular cross-section of the annular bracket 212, the length of the winding traction wire rope 2145 of the rotating cylinder 216 is larger than the walking track of the annular bracket 212, and the elastic scraper 2143 is driven by the traction wire rope 2145 to move toward one side of the rotating cylinder 216. The elastic scraper 2143 is elastically deformed during the movement. Under the limitation of the arc guide rod 2141 and the arc guide groove, the bending degree of the elastic scraper 2143 becomes larger and always fits with the filter mesh plate 214, thereby scraping off the solid particles attached to the surface of the filter mesh plate 214.

[0038] See also Figure 5 and Figure 6The transmission frame 235 includes a pulley 2351, and the output shaft of the motor 234 is fixedly installed with a pulley 2351 through a coupling. The pulley 2351 is coaxially connected with the sprocket 231 on the upper right side, and the sprocket 231 on the upper rear side is coaxially connected with a bevel gear 2352. The cooling cylinder 12 is fixedly installed with a bevel gear 2353 meshing with the bevel gear 2352, and the right end of the bevel gear 2353 is fixedly installed with a pulley 2354, and the pulley 2354 is connected to the pulley 2351 through a belt 2355. The left end of the sprocket 231 on the left and upper side is fixedly installed A pulley three 2356 is installed, and a pulley four 2357 is fixedly installed on the left end of the bevel gear two 2353. The pulley four 2357 and the pulley three 2356 are connected through the belt two 2358. The pulley one 2351 is driven to rotate by the motor two 234. With the cooperation of the bevel gear one 2352, the bevel gear two 2353, the pulley two 2354 and the belt one 2355, the sprocket one 231 on the front and rear sides rotate in the opposite direction to the sprocket one 231 on the right side. With the cooperation of the pulley four 2357, the pulley three 2356 and the belt two 2358, the sprocket one 231 on the left side rotates in the opposite direction to the sprocket one 231 on the right side.

[0039] See also Figure 2 The support rod 211 includes a positioning column 2111. A horizontal positioning column 2111 is fixedly installed on the upper end of the oil cylinder 16 and located on the front side. A connecting rod 2112 is connected to the middle of the positioning column 2111 and one end facing the center of the oil cylinder 16 in a sliding manner. The end of the connecting rod 2112 is hinged to the annular bracket 212 through a pin shaft, and a torsion spring 2 is sleeved on the pin shaft. One end of the torsion spring 2 is fixedly connected to the connecting rod 2112, and the other end of the torsion spring 2 is fixedly connected to the annular bracket 212. The middle part of the positioning column 2111 is connected to the threaded rod 213 in a threaded connection manner, and the end of the threaded rod 213 slides through the connecting rod 2112 and is rotatably connected to the annular bracket 212; the threaded rod 213 is positioned by the positioning column 2111, and the annular bracket 212 is kept in a horizontal state when it is not rotated under force by the torsion spring 2.

[0040] Working principle of the present invention: Step 1: The acid-resistant and chrome-resistant fatliquor to be cooled and filtered is passed into the oil container 16 through the oil inlet pipe 17, and cooling water with gradually decreasing temperature is passed into the cooling cylinder 12 through the water inlet pipe 13, and the fatliquor is stirred by the stirring frame 19 driven by the motor 18.

[0041] Step 2: Scoop out a certain amount of fatliquor through the oil delivery rack 23 and move it upward to the top of the filter mesh plate 214, and pour the fatliquor downward onto the surface of the filter mesh plate 214 for filtering. After a large amount of solid particles in the fatliquor are filtered by the filter mesh plate 214, a small amount of solid particles in the fatliquor are filtered through the filter rack 22.

[0042] Step 3: After the filtration is completed, the filter mesh plate 214 is driven to move by rotating the threaded rod 213, so that the filter mesh plate 214 moves to the side wall of the oil cylinder 16, and the filter mesh plate 214 is driven to rotate by controlling the handle 217, so that the solid particles accumulated on the surface of the filter mesh plate 214 fall downward to the outside of the oil cylinder 16 for collection, and a qualified acid-resistant and chrome-resistant greasing agent is obtained.

[0043] In the description of the present invention, it is necessary to understand that the terms "center", "middle", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "end", "axial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In addition, the terms "first", "second", "number one", "number two", "one", "two" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0045] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a sliding connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preparing an oil-based fatliquor for eco-leather, characterized in that: It comprises a cooling unit (1) and a filtering unit (2), wherein the filtering unit (2) is arranged on the cooling unit (1) and is used for filtering the fatliquor; The cooling unit (1) comprises a fixed platform (11), a cooling cylinder (12) is fixedly mounted on the upper end of the fixed platform (11), a water inlet pipe (13) is fixedly mounted on the upper side of the right rear end of the cooling cylinder (12), a drainage pipe (14) is fixedly mounted on the lower side of the left front end of the cooling cylinder (12), support columns (15) are evenly fixedly mounted on the inner end of the cooling cylinder (12), an oil cylinder (16) is fixedly mounted on the ends of the support columns (15), an oil inlet pipe (17) is fixedly mounted on the left rear end of the oil cylinder (16), a motor 1 (18) is fixedly mounted on the lower end of the oil cylinder (16) and located in the fixed platform (11) through a motor seat, and a stirring frame (19) is fixedly mounted on the output shaft of the motor 1 (18) through a coupling; The filter unit (2) comprises a filter frame (21), the filter frame (21) is arranged at the upper end of the oil cylinder (16), a filter frame (22) is fixedly installed at the lower end of the oil cylinder (16) and located in the fixed platform (11), and oil delivery frames (23) are evenly arranged on the oil cylinder (16); The first filter frame (21) comprises a support rod (211), a retractable support rod (211) is fixedly mounted on the upper front end of the oil container (16), an annular bracket (212) is hingedly mounted at the end of the support rod (211), a threaded rod (213) is threadedly connected to the middle of the support rod (211), the end of the threaded rod (213) is hingedly mounted to the annular bracket (212), an arc-shaped filter grid plate (214) is fixedly mounted on the lower inner end of the annular bracket (212), a rotating cylinder (216) symmetrically arranged on the left and right is fixedly mounted on the front end of the filtering grid plate (214), the diameter of the rotating cylinder (216) is larger than the distance between the inner and outer rings of the annular bracket (212), and a control handle (217) is fixedly mounted on the left end of the rotating cylinder (216) on the left.

2. The preparation device of an oil-based fatliquor for eco-leather according to claim 1, characterized in that: A partition ring (121) is evenly and fixedly installed on the inner end of the cooling cylinder (12); the inner ring surface of the partition ring (121) is fixedly connected to the outer ring surface of the oil storage cylinder (16); rectangular through holes (122) are evenly opened on the partition ring (121); a plurality of rectangular through holes (122) are evenly arranged along the circumference of the cooling cylinder (12); the ends of the rectangular through holes (122) are rotatably connected to a rotating square plate (123) via a pin shaft; a torsion spring (124) is sleeved on the pin shaft; one end of the torsion spring (124) is fixedly connected to the rotating square plate (123); and the other end of the torsion spring (124) is fixedly connected to the partition ring (121).

3. The preparation device of an oil-based fatliquor for eco-leather according to claim 1, characterized in that: The stirring frame (19) comprises a rotating column (191), the output shaft of the motor 1 (18) is fixedly mounted with the rotating column (191) via a coupling, the outer end of the rotating column (191) is evenly fixedly mounted with inclined stirring rods (192), the inclination angles of adjacent stirring rods (192) are all different, and the upper end of the rotating column (191) is evenly fixedly mounted with arc-shaped fan blades (193).

4. The device for preparing an oil-based fatliquor for eco-leather according to claim 1, characterized in that: The second filter frame (22) comprises an oil outlet pipe (221), an L-shaped oil outlet pipe (221) is fixedly installed at the lower end of the oil container (16) and located inside the fixed platform (11), a circular filter plate (222) is fixedly installed at the upper inner end of the oil outlet pipe (221), and a heat-resistant valve (223) is fixedly installed at the inner end of the oil outlet pipe (221) and located on the upper side of the circular filter plate (222).

5. The device for preparing an oil-based fatliquor for eco-leather according to claim 1, characterized in that: The oil delivery rack (23) comprises a sprocket wheel one (231), and a sprocket wheel group is evenly arranged on the oil storage barrel (16). The sprocket wheel group is composed of symmetrical sprocket wheels one (231) at the top and bottom. The sprocket wheels one (231) at the top and bottom are connected by a toothed chain belt one (232). An inclined oil storage box (233) is evenly fixedly installed on the toothed chain belt one (232) and facing the center of the oil storage barrel (16). The opening of the oil storage box (233) faces the toothed chain belt one (232). A motor two (234) is fixedly installed on the right end of the cooling barrel (12) through a motor seat. A transmission frame (235) is fixedly installed on the output shaft of the motor two (234) through a coupling. The end of the transmission frame (235) is fixedly connected to the sprocket wheel one (231) on the upper side. An oil guide plate (236) is fixedly installed on the upper end of the oil storage barrel (16) and located at the sprocket wheel one (231) on the upper side.

6. The device for preparing an oil-based fatliquor for eco-leather according to claim 1, characterized in that: An arc-shaped guide rod (2141) is fixedly installed in the middle of the upper end of the filtering mesh plate (214); an elastic scraper (2143) is connected to the upper end of the filtering mesh plate (214) and located at the lower end of the arc-shaped guide rod (2141) in a sliding manner; arc-shaped guide grooves are symmetrically opened on the left and right sides of the annular bracket (212); the left and right ends of the elastic scraper (2143) slide through the arc-shaped guide grooves; anti-slip blocks (2144) are fixedly installed on the left and right ends of the elastic scraper (2143); a traction wire rope (2145) is fixedly installed on the rotating cylinder (216); the traction wire rope (2145) passes through the arc-shaped guide rod (2141) and is fixedly connected to the elastic scraper (2143).

7. The device for preparing an oil-based fatliquor for eco-leather according to claim 5, characterized in that: The transmission frame (235) includes a pulley 1 (2351), the output shaft of the motor 2 (234) is fixedly mounted with the pulley 1 (2351) via a coupling, the pulley 1 (2351) is coaxially connected to the sprocket 1 (231) on the upper right side, the sprocket 1 (231) on the upper rear side is coaxially connected with a bevel gear 1 (2352), the cooling cylinder (12) is fixedly mounted with a bevel gear 2 (2353) meshing with the bevel gear 1 (2352), and the bevel gear 2 (2353) is fixedly mounted on the cooling cylinder (12). A pulley 2 (2354) is fixedly installed on the right end of the sprocket 2353, and the pulley 2 (2354) is connected to the pulley 1 (2351) through a belt 1 (2355). A pulley 3 (2356) is fixedly installed on the left end of the sprocket 1 (231) on the left and upper side, and a pulley 4 (2357) is fixedly installed on the left end of the bevel gear 2 (2353), and the pulley 4 (2357) is connected to the pulley 3 (2356) through a belt 2 (2358).

8. The device for preparing an oil-based fatliquor for eco-leather according to claim 1, characterized in that: The support rod (211) comprises a positioning column (2111), a horizontal positioning column (2111) is fixedly installed on the upper end and located at the front side of the oil container (16), a connecting rod (2112) is connected to the middle part of the positioning column (2111) and one end facing the center of the oil container (16) in a sliding manner, the end of the connecting rod (2112) and the annular bracket (212) are hingedly connected through a pin shaft, a torsion spring (2) is sleeved on the pin shaft, one end of the torsion spring (2) is fixedly connected to the connecting rod (2112), and the other end of the torsion spring (2) is fixedly connected to the annular bracket (212), the middle part of the positioning column (2111) is connected to the threaded rod (213) in a threaded manner, and the end of the threaded rod (213) slides through the connecting rod (2112) and is rotatably connected to the annular bracket (212).

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