Fur dechroming equipment with pretreatment structure
By designing fur dechromatization equipment with pretreatment structure, including components such as brush rollers, dust covers, dust collectors and adjustable press rollers, the problem of insufficient impurity cleaning and dimensional adaptability in existing equipment is solved, and efficient fur dechromatization and drying treatment is achieved.
Patent Information
- Application Number
- CN202421862034.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The existing fur dechromatization equipment lacks a pretreatment structure, resulting in the failure to effectively clean up the remaining impurities such as dust on the fur surface and it is difficult to adapt to fur treatment of different sizes and thicknesses.
A fur dechromatization device with a pretreatment structure is designed, including components such as brush rollers, vacuum covers, dust collectors and adjustable press rollers. The motor drives the brush roller to clean the surface impurities, the exhaust fan and vacuum pipe absorb and collect impurities, and the servo motor drives the threaded cylinder and the pressure roller frame to lift and translate, achieving extrusion and smoothing of furs of different thicknesses and moisture extrusion.
Effectively clean impurities on the fur surface, ensure the quality and efficiency of dechromatization treatment, adapt to fur treatment of different sizes and thicknesses, and simplify subsequent drying steps.
Smart Images

Figure CN222795630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fur dechroming, and more specifically, to fur dechroming equipment with a pretreatment structure. Background Art
[0002] The purpose of fur dechrome is to remove the residual chromium from the chrome tanning agents used in the fur processing. Although chrome tanning agents can give leather good physical properties, chromium may be converted into hexavalent chromium under certain conditions, which is a harmful substance and poses risks to the environment and human health. Therefore, dechrome treatment is to reduce these risks and ensure the safety and environmental friendliness of fur products;
[0003] After searching, the working principle of fur dechroming equipment usually involves the use of chemical reagents or physical methods to remove chromium from leather. In the chemical dechroming process, a reducing agent may be used to reduce the hexavalent chromium in the leather to trivalent chromium, and then the chromium is removed from the leather by washing or other methods. Physical methods may include the use of ion exchange resins or electrochemical treatment to separate chromium. In the process of realizing the utility model, the inventor found that the prior art has the following problems:
[0004] Existing fur dechrome equipment often does not have a pre-treatment mechanism before dechrome treatment. Dust and other impurities remaining on the fur surface need to be cleaned and removed before dechrome treatment. At the same time, when facing furs of different sizes and thicknesses, adjustable pressing rollers are needed to smooth and squeeze out excess water for subsequent drying.
[0005] Therefore, in view of the above problems, a fur dechrome removal device with a pretreatment structure is proposed. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a fur dechrome device with a pretreatment structure to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fur dechrome removal equipment with a pretreatment structure, comprising a box body, a feed port is provided on one side of the box body, a discharge port is provided on the side of the box body away from the feed port, a guide roller frame is provided on one side of the feed port, the top of the guide roller frame is connected with a guide roller through a bearing, a brush roller is arranged on the side of the guide roller away from the feed port, dust hoods are provided on both sides of the brush rollers, the exhaust ends of the two groups of dust hoods are connected with dust pipes, an outer wall of one side of the box body is connected with a dust collecting box by bolts, the ends of the two groups of dust pipes away from the dust hoods pass through the box body and are connected with the dust collecting box, a filter screen is provided on one side of the dust collecting box, and the side of the filter screen away from the box body is connected with an exhaust fan.
[0008] Preferably, a dechroming pool is provided at the inner center of the box body, and the interior of the dechroming pool is connected to a conduction wheel via a bearing.
[0009] Preferably, a clean water tank is provided on the side of the dechromization tank away from the feed inlet, and a No. 2 conduction wheel is provided in the middle of the clean water tank.
[0010] Preferably, a drive box is provided on the side of the water purification tank away from the chromium removal tank, and a worm is connected to the middle of the drive box via a bearing.
[0011] Preferably, the inner walls on both sides of the drive box are connected to threaded cylinders through bearings, the outer wall keys of the threaded cylinders are connected to worm wheels, the worm wheels are meshed with the worm, and a servo motor is provided on one side of the drive box, and the output end of the servo motor is meshed with the worm.
[0012] Preferably, the top of the threaded cylinder is threadedly connected to a threaded rod through a driving box, the top of the threaded rod is connected to a pressure roller frame, and the outer wall of the threaded rod is covered with a protective sleeve.
[0013] Preferably, the top of the pressure roller frame is connected to a lower pressure roller via a bearing, one side outer wall of the pressure roller frame is connected to a driving motor, and the output end of the driving motor is connected to the lower pressure roller.
[0014] Preferably, the top inner wall of the box is connected to a fixing frame, the bottom center of the fixing frame is connected to an upper pressing roller through a bearing, the upper pressing roller corresponds to the lower pressing roller, a drying roller is arranged on one side of the pressing roller frame, and a hot air blower is arranged on the top of the drying roller.
[0015] Technical effects and advantages of the utility model:
[0016] 1. Compared with the prior art, the fur dechroming equipment with a pretreatment structure can drive the brush roller to rotate through a motor to clean and pre-treat the fur surface. After cleaning, impurities on the fur surface are lifted up, and the exhaust fan is started. The exhaust fan drives the dust hood through the dust suction pipe to absorb impurities on the surface of the fur. The impurities after suction are introduced into the dust collection box through the dust suction pipe for collection for subsequent cleaning. At the same time, the impurities are filtered through the filter to prevent the impurities from entering the exhaust fan.
[0017] 2. Compared with the prior art, the fur dechrome removal equipment with a pretreatment structure can drive the worm to rotate through a servo motor, and the rotation of the worm drives the worm wheel to rotate, and the rotation of the worm wheel drives the threaded barrel to rotate synchronously, and the rotation of the threaded barrel can drive the threaded rod to move up and down, and the lifting of the threaded rod drives the pressure roller frame to move up and down and translate, thereby driving the lower pressure roller to move up and down, so as to adjust the distance between the lower pressure roller and the upper pressure roller, so as to squeeze and smooth the fur of different thicknesses, thereby squeezing out excess water for subsequent drying. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0019] Figure 2 It is a schematic diagram of the structure of the lower pressing roller and the upper pressing roller of the utility model.
[0020] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the utility model.
[0021] Figure 4 This is a schematic diagram of the structure of the dust collecting box of the utility model.
[0022] The accompanying drawings are marked as follows: 1. box body; 101. feed port; 102. discharge port; 2. guide roller frame; 3. guide roller; 4. brush roller; 5. dust hood; 6. dust suction pipe; 7. dust collecting box; 8. filter screen; 9. exhaust fan; 10. dechroming tank; 11. conduction wheel; 12. water purification tank; 13. No. 2 conduction wheel; 14. drive box; 15. worm; 16. threaded cylinder; 17. worm gear; 18. servo motor; 19. threaded rod; 20. pressure roller frame; 21. protective cover; 22. lower pressure roller; 23. drive motor; 24. fixed frame; 25. upper pressure roller; 26. drying roller; 27. hot air blower. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Example 1
[0025] As attached Figures 1 to 3 A fur dechrome removal device with a pretreatment structure is shown, comprising a box body 1, a feed port 101 is provided on one side of the box body 1, a discharge port 102 is provided on the side of the box body 1 away from the feed port 101, a guide roller frame 2 is provided on one side of the feed port 101, a guide roller 3 is connected to the top of the guide roller frame 2 through a bearing, a brush roller 4 is arranged on the side of the guide roller 3 away from the feed port 101, dust hoods 5 are provided on both sides of the brush roller 4, the exhaust ends of the two groups of dust hoods 5 are connected to dust suction pipes 6, a dust collecting box 7 is connected to the outer wall of one side of the box body 1 by bolts, the ends of the two groups of dust suction pipes 6 away from the dust hoods 5 pass through the box body 1 and are connected to the dust collecting box 7, a filter screen 8 is provided on one side of the dust collecting box 7, and the filter screen 8 is connected to the exhaust fan 9 on the side away from the box body 1.
[0026] Among them: after the fur to be dechromed enters the box body 1 from the feed inlet 101, the brush roller 4 can be driven by the motor to rotate so as to clean and pre-treat the surface of the fur. After cleaning, impurities on the surface of the fur are lifted up, and the exhaust fan 9 is started. The exhaust fan 9 drives the dust hood 5 through the dust suction pipe 6 to absorb impurities on the surface of the fur. The impurities after absorption are introduced into the dust collecting box 7 through the dust suction pipe 6 so as to be collected for subsequent cleaning. At the same time, the impurities are filtered through the filter screen 8 to prevent the impurities from entering the exhaust fan 9.
[0027] Example 2
[0028] Based on Example 1, the solution in Example 1 is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:
[0029] As a preferred embodiment, a dechroming tank 10 is provided at the inner center of the housing 1, and a conduction wheel 11 is connected to the interior of the dechroming tank 10 via a bearing; further, a dechroming reducing agent is provided inside the dechroming tank 10, and the fur can be chemically dechromed after being conducted into the dechroming tank 10, and the conduction wheel 11 plays a conduction role.
[0030] As a preferred embodiment, a clean water tank 12 is provided on the side of the dechroming tank 10 away from the feed port 101, and a No. 2 conduction wheel 13 is provided in the middle of the clean water tank 12; further, the fur after dechroming and reduction is conducted to the clean water tank 12 through the conduction wheel 11, and the fur is cleaned by the clean water in the clean water tank 12, so that the fur is separated from the reducing solution in the dechroming tank 10, and the No. 2 conduction wheel 13 plays a conduction role.
[0031] As a preferred embodiment, a drive box 14 is provided on the side of the clean water tank 12 away from the chromium removal tank 10 , and a worm 15 is connected to the middle of the drive box 14 via a bearing; further, the worm 15 can rotate in the drive box 14 .
[0032] As a preferred embodiment, the inner walls on both sides of the drive box 14 are connected to the threaded barrel 16 through bearings, the outer wall key of the threaded barrel 16 is connected to the worm wheel 17, the worm wheel 17 is meshed with the worm 15, and a servo motor 18 is provided on one side of the drive box 14, and the output end of the servo motor 18 is meshed with the worm 15; further, the servo motor 18 can drive the worm 15 to rotate, the rotation of the worm 15 drives the worm wheel 17 to rotate, and the rotation of the worm wheel 17 drives the threaded barrel 16 to rotate synchronously, and the worm 15 and the worm wheel 17 are self-locking.
[0033] As a preferred embodiment, the top of the threaded cylinder 16 passes through the drive box 14 and is threadedly connected to a threaded rod 19, the top of the threaded rod 19 is connected to a pressure roller frame 20, and the outer wall of the threaded rod 19 is provided with a protective cover 21; further, the rotation of the threaded cylinder 16 can drive the threaded rod 19 to perform lifting movements, and the lifting and lowering of the threaded rod 19 drives the pressure roller frame 20 to perform lifting and translation, thereby driving the lower pressure roller 22 to perform lifting and lowering movements, so as to adjust the distance between the lower pressure roller 22 and the upper pressure roller 25, so as to squeeze and smooth the furs of different thicknesses, thereby squeezing out excess water for subsequent drying.
[0034] As a preferred embodiment, the top of the pressing roller frame 20 is connected to a lower pressing roller 22 through a bearing, and the outer wall of one side of the pressing roller frame 20 is connected to a driving motor 23, and the output end of the driving motor 23 is connected to the lower pressing roller 22; further, the driving motor 23 can drive the lower pressing roller 22 to rotate, thereby facilitating the conduction of the fur.
[0035] As a preferred embodiment, the top inner wall of the box body 1 is connected to a fixing frame 24, and the bottom center of the fixing frame 24 is connected to an upper pressing roller 25 through a bearing, and the upper pressing roller 25 corresponds to the lower pressing roller 22. A drying roller 26 is arranged on one side of the pressing roller frame 20, and a hot air blower 27 is arranged on the top of the drying roller 26; further, the fur can be squeezed and smoothed by the cooperation of the lower pressing roller 22 and the upper pressing roller 25 to squeeze out excess water for subsequent drying. The drying roller 26 is provided with an electric heating wire to heat and dry the fur, and the hot air blower 27 cooperates with the drying roller 26 to accelerate the drying of the fur.
[0036] The working process of the utility model is as follows: first, the fur to be dechromed is introduced into the box body 1 through the feed port 101 for fur dechroming treatment, and the brush roller can be driven by the motor to rotate so as to clean the fur surface for pretreatment. After cleaning, impurities on the fur surface are lifted up, and the exhaust fan 9 is started. The exhaust fan 9 drives the dust hood 5 through the dust suction pipe 6 to adsorb the impurities on the surface of the fur. The impurities after absorption are introduced into the dust collection box 7 through the dust suction pipe 6 so as to be collected for subsequent cleaning. At the same time, the impurities are filtered by the filter screen 8 to prevent the impurities from entering the exhaust fan 9. A dechroming reducing agent is arranged inside the dechroming tank 10. The fur can be chemically dechromed after being conducted into the dechroming tank 10;
[0037] The conduction wheel 11 plays a conduction role. The fur after chromium removal and reduction is conducted to the clean water tank 12 through the conduction wheel 11. The fur is cleaned by the clean water in the clean water tank 12, so that the fur is separated from the reducing solution in the chromium removal tank 10. The servo motor 18 can drive the worm 15 to rotate. The rotation of the worm 15 drives the worm wheel 17 to rotate. The rotation of the worm wheel 17 drives the threaded barrel 16 to rotate synchronously. The rotation of the threaded barrel 16 can drive the threaded rod 19 to move up and down. The lifting of the threaded rod 19 drives the pressure roller frame 20 to move up and down and translate, thereby driving the lower pressure roller 22 to move up and down, so as to adjust the distance between the lower pressure roller 22 and the upper pressure roller 25, so as to squeeze and smooth the furs of different thicknesses, thereby squeezing out excess water for subsequent drying;
[0038] The drying roller 26 is provided with an electric heating wire to heat and dry the fur, and the hot air blower 27 cooperates with the drying roller 26 to accelerate the drying of the fur, and the fur is discharged through the discharge port 102 after drying. The above is the working principle of the fur dechroming equipment with a pretreatment structure.
[0039] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A fur dechrome removal device with a pretreatment structure, comprising a housing (1), characterized in that: A feed inlet (101) is provided on one side of the box body (1), a discharge outlet (102) is provided on the side of the box body (1) away from the feed inlet (101), a guide roller frame (2) is provided on one side of the feed inlet (101), a guide roller (3) is connected to the top of the guide roller frame (2) via a bearing, brush rollers (4) are arranged on the side of the guide roller (3) away from the feed inlet (101), dust hoods (5) are provided on both sides of the brush rollers (4), the exhaust ends of the two groups of dust hoods (5) are connected to dust suction pipes (6), a dust collecting box (7) is connected to the outer wall of one side of the box body (1) via bolts, the ends of the two groups of dust suction pipes (6) away from the dust hoods (5) pass through the box body (1) and are connected to the dust collecting box (7), a filter screen (8) is provided on one side of the dust collecting box (7), and the side of the filter screen (8) away from the box body (1) is connected to an exhaust fan (9).
2. A fur dechroming device with a pretreatment structure according to claim 1, characterized in that: A dechroming pool (10) is arranged at the inner center of the housing (1), and a conducting wheel (11) is connected to the inner part of the dechroming pool (10) via a bearing.
3. The fur dechroming device with a pretreatment structure according to claim 2, characterized in that: A clean water tank (12) is provided on the side of the dechromization tank (10) away from the feed inlet (101), and a second conduction wheel (13) is provided in the middle of the clean water tank (12).
4. The fur dechroming device with a pretreatment structure according to claim 3, characterized in that: A drive box (14) is provided on a side of the water purification tank (12) away from the chromium removal tank (10), and a worm (15) is connected to the middle of the drive box (14) via a bearing.
5. The fur dechroming device with a pretreatment structure according to claim 4, characterized in that: The inner walls of both sides of the drive box (14) are connected to threaded cylinders (16) via bearings, the outer wall of the threaded cylinder (16) is keyed to a worm wheel (17), the worm wheel (17) is meshed with the worm (15), and a servo motor (18) is provided on one side of the drive box (14), the output end of the servo motor (18) is meshed with the worm (15).
6. The fur dechroming device with a pretreatment structure according to claim 5, characterized in that: The top of the threaded cylinder (16) passes through the drive box (14) and is threadedly connected to a threaded rod (19), the top of the threaded rod (19) is connected to a pressure roller frame (20), and the outer wall of the threaded rod (19) is provided with a protective sleeve (21).
7. The fur dechroming device with a pretreatment structure according to claim 6, characterized in that: The top of the pressure roller frame (20) is connected to a lower pressure roller (22) via a bearing, and an outer wall on one side of the pressure roller frame (20) is connected to a drive motor (23), and an output end of the drive motor (23) is connected to the lower pressure roller (22).
8. The fur dechroming device with a pretreatment structure according to claim 7, characterized in that: The top inner wall of the box body (1) is connected to a fixing frame (24), the bottom center of the fixing frame (24) is connected to an upper pressing roller (25) via a bearing, the upper pressing roller (25) corresponds to the lower pressing roller (22), a drying roller (26) is arranged on one side of the pressing roller frame (20), and a hot air blower (27) is arranged on the top of the drying roller (26).