Leather quality detection device for schoolbag

Abstract

The invention belongs to the technical field of leather detection, particularly relates to a leather quality detection device for a schoolbag, and aims to solve the problem that whether a water-permeable and air-permeable effect is generated or not after leather of leather detection equipment is lost in use is not detected, the leather quality detection device for the schoolbag comprises a mainframe box, and driving fixing boxes are fixed to the two sides of the top of the mainframe box correspondingly; and telescopic driving boxes are slidably installed in the driving fixing boxes on the two sides, driving mechanisms are installed on the side walls of the telescopic driving boxes, a top friction mechanism is installed in the middle of the top of the main machine box, an end friction mechanism is installed at one end of the main machine box, and a scratch detection mechanism is installed in the middle of the bottom of the main machine box. In the air permeability detection mechanism, an exhaust box is close to a gas detection box and clamps the detection position of the leather to form sealing, the exhaust box is inflated, and the gas detection box is used for detecting whether gas penetrates through the leather to be exhausted or not so as to detect whether the friction loss process affects the leather or not.

Description

Technical Field

[0001] The present invention relates to the technical field of leather detection, and particularly to a leather quality detection device for schoolbags. Background Art

[0002] In the modern leather products industry, the quality of leather directly affects product quality, consumer experience, and corporate reputation. As a material widely used in clothing, shoes, bags, furniture, and many other fields, the quality of leather needs to meet strict standards in multiple aspects, covering physical properties, chemical properties, appearance quality, etc. Current leather detection methods are difficult to meet the fast-paced requirements of large-scale industrial production. When faced with a large number of leather samples, the detection cycle is extremely long, seriously restricting the production process.

[0003] For example, the Chinese patent document with the publication number CN222049969U discloses a leather product detection device, including a testing machine main body, a sliding plate and a friction head installed on the testing machine main body. A backing plate is attached to the upper end of the sliding plate. A guiding mechanism and an adjusting mechanism are respectively arranged between the backing plate and the sliding plate. The adjusting mechanism includes a square plate and a plurality of jacks. The square plate is fixedly connected to the middle of the front end of the backing plate, and a cylindrical barrel is fixedly connected to the middle of the upper end of the square plate. A plug post is slidably inserted through the inner wall of the center of the upper end of the cylindrical barrel; in the detection process of leather in the above disclosed technology, the service performance of the leather is not fully detected after operation. Whether the leather produces a water-permeable and breathable effect after wear and tear during use is not detected, and it is difficult to solve such problems in the prior art. Therefore, a leather quality detection device for schoolbags is urgently needed to solve the above problems. Summary of the Invention

[0004] Based on the technical problem that whether the leather produces a water-permeable and breathable effect after wear and tear during use is not detected in leather detection equipment, the present invention proposes a leather quality detection device for schoolbags.

[0005] A leather quality detection device for schoolbags proposed by the present invention includes a main chassis. Driving fixed boxes are fixedly installed on both sides of the top of the main chassis. Telescopic driving boxes are slidably installed in the driving fixed boxes on both sides. A driving mechanism is installed on the side wall of the telescopic driving box. A top friction mechanism is installed at the middle position of the top of the main chassis. An end friction mechanism is installed at one end of the main chassis. A scratch detection mechanism is installed at the middle position of the bottom of the main chassis.

[0006] Preferably, the driving mechanism includes driving sprockets mounted at both ends of the telescopic driving box through bearings. A same belt fixing belt is sleeved between the circumferential outer walls of the two driving sprockets. A horizontally arranged driving motor is fixed inside the telescopic driving box. The output shaft of the driving motor is fixed to the rotating shaft of the driving sprocket. A leather fixing belt baffle is fixed to the side wall of the driving sprocket by bolts.

[0007] Preferably, a telescopic inner groove is formed inside the driving fixing box. The telescopic driving box is slidably sleeved inside the telescopic inner groove. A horizontally arranged first electric push rod is fixed at the middle position of the driving fixing box. One end of the first electric push rod is fixed to the middle position of the telescopic driving box. Leather fixing bolts are fixed to the outer wall of the belt fixing belt in an array distribution.

[0008] Preferably, the top friction mechanism includes a fixed top frame fixed to the top of the main chassis. Two second electric push rods are fixed to the top of the fixed top frame. A horizontally arranged top friction frame is fixed to the bottoms of the two second electric push rods. A top friction plate is fixed to the bottom of the top friction frame by bolts.

[0009] Preferably, the end friction mechanism includes a fixed end frame bolted to one end of the main chassis. A third electric push rod is fixed to the middle position of the fixed end frame by bolts. One end of the third electric push rod is fixed to an end friction plate by bolts.

[0010] Preferably, the scratch detection mechanism includes a scratch detection groove formed at the bottom of the main chassis. A scratch detection frame is hingedly installed at the bottom of the scratch detection groove. A horizontally arranged scratch detection plate is hingedly installed at the top of the scratch detection frame. Scratch probes are fixed to the top of the scratch detection plate in an array distribution.

[0011] Preferably, a fourth electric push rod is hingedly installed inside the main chassis at the scratch detection groove. A horizontal shaft is installed at the middle position of the scratch detection frame through a bearing, and one end of the fourth electric push rod is hinged to the middle position of the horizontal shaft.

[0012] Preferably, a side storage groove is formed on one inner wall of the main chassis, and a top swing frame is hingedly installed inside the side storage groove. A bottom swing frame is hingedly installed at the bottom of the main chassis. Steering engines are installed on the inner walls of the side storage groove and the bottom inner wall of the main chassis respectively. The output shafts of the steering engines are fixed to the rotating shafts of the top swing frame and the bottom swing frame respectively.

[0013] Preferably, sliding card slots are provided on both sides of the bottom swing frame and the top swing frame. An air permeability detection mechanism is arranged at one side position of the bottom swing frame and the top swing frame, and a water permeability detection mechanism is arranged at the other side. The air permeability detection mechanism includes a first slider slidably installed on one side of the top swing frame. A fifth electric push rod is fixed to the top of the first slider. An exhaust box is fixed to the bottom of the fifth electric push rod. An intake pipe is installed on the side wall of the exhaust box. A second slider is slidably installed on one side of the bottom swing frame. A sixth electric push rod is fixed to the bottom of the second slider. A gas detection box is fixed to the top of the sixth electric push rod. An air suction pipe is installed on the side wall of the gas detection box.

[0014] Preferably, the water permeability detection mechanism includes a third slider slidably installed on the other side of the top swing frame. A seventh electric push rod is fixed to the top of the third slider. A liquid discharge box is fixed to the bottom of the seventh electric push rod. A water inlet pipe is installed on the side wall of the liquid discharge box. A fourth slider is slidably installed on the other side of the bottom swing frame. An eighth electric push rod is installed at the bottom of the fourth slider. A liquid detection box is fixed to the top of the eighth electric push rod. A drain pipe is installed on the side wall of the liquid detection box. Moving lead screws are installed in the sliding card slots on both sides of the bottom swing frame and the top swing frame through bearings, and the four moving lead screws are respectively sleeved and installed with the first slider, the second slider, the third slider and the fourth slider by screw threads. Two lead screw motors are installed on the inner walls at one end of the bottom swing frame and the top swing frame, and the output shafts of the four lead screw motors are respectively fixed to the four moving lead screws.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. For this schoolbag leather quality detection device, for the detection of air permeability and water permeability, in the air permeability detection mechanism, the exhaust box and the gas detection box are close to each other, and the detection position of the leather is clamped to form a seal. The exhaust box is inflated, and the gas detection box is used to detect whether gas penetrates through the leather and is discharged, so as to detect whether the friction loss process affects the leather; in the water permeability detection mechanism, the liquid discharge box and the liquid detection box are close to the leather to form a seal, and liquid is introduced into the liquid discharge box. The liquid detection box is used to detect whether liquid penetrates through the leather and seeps to the bottom liquid detection box, so as to detect whether the friction loss process affects the leather.

[0017] 2. For this schoolbag leather quality detection device, during the detection process, this detection device can realize three loss methods: long-term friction, leather folding friction and leather scratching. During the long-term friction detection, the driving motor drives the rotation of the leather fixing belt, so that the leather to be detected rotates quickly. By extending the second electric push rod at the top, the top friction plate descends to generate friction with the leather, simulating the loss of the leather during long-term friction. Description of the Drawings

[0018] Figure 1Schematic diagram of the overall structure of a leather quality detection device for schoolbags proposed by the present invention;

[0019] Figure 2 Schematic diagram of the partial structure of the driving mechanism of a leather quality detection device for schoolbags proposed by the present invention;

[0020] Figure 3 A leather quality detection device for schoolbags proposed by the present invention Figure 2 Schematic diagram of the enlarged structure of part A in;

[0021] Figure 4 Schematic diagram of one end position of the overall structure of a leather quality detection device for schoolbags proposed by the present invention;

[0022] Figure 5 Schematic diagram of the structure of the scratch detection mechanism of a leather quality detection device for schoolbags proposed by the present invention;

[0023] Figure 6 A leather quality detection device for schoolbags proposed by the present invention Figure 5 Schematic diagram of the enlarged structure of part B in;

[0024] Figure 7 Schematic diagram of the structure of the detection swing rod of a leather quality detection device for schoolbags proposed by the present invention;

[0025] Figure 8 Schematic diagram of the structure of one side position of the detection swing rod of a leather quality detection device for schoolbags proposed by the present invention;

[0026] Figure 9 Schematic diagram of the structure of the other side position of the detection swing rod of a leather quality detection device for schoolbags proposed by the present invention.

[0027] In the figure: 1, main chassis; 2, driving fixed box; 3, telescopic driving box; 4, leather fixing belt baffle; 5, leather fixing belt; 6, fixed top frame; 7, second electric push rod; 8, fixed end frame; 9, first electric push rod; 10, telescopic inner groove; 11, top friction frame; 12, top friction plate; 13, driving sprocket; 14, driving motor; 15, leather fixing bolt; 16, end friction plate; 17, third electric push rod; 18, fourth electric push rod; 19, scratch detection groove; 20, scratch detection frame; 21, scratch probe; 22, scratch detection plate; 23, side storage groove; 24, bottom swing frame; 25, top swing frame; 26, first slider; 27, fifth electric push rod; 28, exhaust box; 29, second slider; 30, gas detection box; 31, sixth electric push rod; 32, sliding card slot; 33, seventh electric push rod; 34, third slider; 35, liquid drainage box; 36, liquid detection box; 37, eighth electric push rod; 38, fourth slider. Detailed implementation mode

[0028] Referring to Figures 1-9 , a leather quality inspection device for schoolbags, including a main chassis 1. On both sides of the top of the main chassis 1, driving fixed boxes 2 are fixedly installed. In the driving fixed boxes 2 at both sides, telescopic driving boxes 3 are slidably installed. A driving mechanism is installed on the side wall of the telescopic driving box 3. At the middle position of the top of the main chassis 1, a top friction mechanism is installed. At one end of the main chassis 1, an end friction mechanism is installed. At the middle position of the bottom of the main chassis 1, a scratch detection mechanism is installed.

[0029] Furthermore, the driving mechanism includes driving sprockets 13 installed at both ends of the telescopic driving box 3 through bearings. A same belt fixing belt 5 is sleeved between the circumferential outer walls of the two driving sprockets 13. A horizontally arranged driving motor 14 is fixedly installed inside the telescopic driving box 3. The output shaft of the driving motor 14 is fixed to the rotating shaft of the driving sprocket 13. A leather fixing belt baffle 4 is fixed to the side wall of the driving sprocket 13 by bolts.

[0030] Furthermore, a telescopic inner groove 10 is opened inside the driving fixed box 2. The telescopic driving box 3 is slidably sleeved inside the telescopic inner groove 10. A horizontally arranged first electric push rod 9 is fixedly installed at the middle position of the driving fixed box 2. One end of the first electric push rod 9 is fixed to the middle position of the telescopic driving box 3. Leather fixing bolts 15 are fixedly installed on the outer wall of the belt fixing belt 5 in an array distribution.

[0031] Furthermore, the top friction mechanism includes a fixed top frame 6 fixed to the top of the main chassis 1. Two second electric push rods 7 are fixed to the top of the fixed top frame 6. A horizontally arranged top friction frame 11 is fixed to the bottom of the two second electric push rods 7. A top friction plate 12 is fixed to the bottom of the top friction frame 11 by bolts.

[0032] Furthermore, the end friction mechanism includes a fixed end frame 8 bolted to one end of the main chassis 1. A third electric push rod 17 is bolted to the middle position of the fixed end frame 8. One end of the third electric push rod 17 is bolted to an end friction plate 16.

[0033] Furthermore, the scratch detection mechanism includes a scratch detection groove 19 opened at the bottom of the main chassis 1. A scratch detection frame 20 is hingedly installed at the bottom of the scratch detection groove 19. A horizontally arranged scratch detection plate 22 is hingedly installed at the top of the scratch detection frame 20. Scratch probes 21 are fixedly installed on the top of the scratch detection plate 22 in an array distribution.

[0034] Furthermore, a fourth electric push rod 18 is hingedly installed inside the main chassis 1 at the position of the scratch detection groove 19. A horizontal shaft is installed through the bearing at the middle position of the scratch detection frame 20, and one end of the fourth electric push rod 18 is hinged to the middle position of the horizontal shaft.

[0035] Further, a side inner wall of the main chassis 1 is provided with a side storage groove 23, and a top swing frame 25 is hingedly installed inside the side storage groove 23. A bottom swing frame 24 is hingedly installed at the bottom of the main chassis 1. Steering engines are installed on the inner wall of the side storage groove 23 and the bottom inner wall of the main chassis 1, and the output shafts of the steering engines are respectively fixed to the rotating shafts of the top swing frame 25 and the bottom swing frame 24.

[0036] Further, sliding card slots 32 are provided at both sides of the bottom swing frame 24 and the top swing frame 25. An air permeability detection mechanism is arranged at one side position of the bottom swing frame 24 and the top swing frame 25, and a water permeability detection mechanism is arranged at the other side. The air permeability detection mechanism includes a first slider 26 slidably installed on one side of the top swing frame 25. A fifth electric push rod 27 is fixed to the top of the first slider 26. An exhaust box 28 is fixed to the bottom of the fifth electric push rod 27. An intake pipe is installed on the side wall of the exhaust box 28. A second slider 29 is slidably installed on one side of the bottom swing frame 24. A sixth electric push rod 31 is fixed to the bottom of the second slider 29. A gas detection box 30 is fixed to the top of the sixth electric push rod 31. An air suction pipe is installed on the side wall of the gas detection box 30.

[0037] Further, the water permeability detection mechanism includes a third slider 34 slidably installed on the other side of the top swing frame 25. A seventh electric push rod 33 is fixed to the top of the third slider 34. A liquid discharge box 35 is fixed to the bottom of the seventh electric push rod 33. A water inlet pipe is installed on the side wall of the liquid discharge box 35. A fourth slider 38 is slidably installed on the other side of the bottom swing frame 24. An eighth electric push rod 37 is installed at the bottom of the fourth slider 38. A liquid detection box 36 is fixed to the top of the eighth electric push rod 37. A drain pipe is installed on the side wall of the liquid detection box 36. Moving lead screws are installed in the sliding card slots 32 on both sides of the bottom swing frame 24 and the top swing frame 25 through bearings, and the four moving lead screws are respectively sleeved and installed with the first slider 26, the second slider 29, the third slider 34 and the fourth slider 38 by screw threads. Two lead screw motors are installed on the inner wall of one end of the bottom swing frame 24 and the top swing frame 25, and the output shafts of the four lead screw motors are respectively fixed to the four moving lead screws.

[0038] When the present invention is in use: First, fix the leather material. According to the width of the leather material, adjust the first electric push rod 9 to achieve a suitable width. Open holes on both sides of the leather material to match the leather fixing bolts 15, and fix the leather material to be detected on the leather fixing belt 5 through the leather fixing bolts 15. During the detection process, this detection device can achieve three loss modes: long-term friction, leather folding friction, and leather scratching. During the long-term friction detection, the driving motor 14 drives the rotation of the leather fixing belt 5 to make the leather to be detected rotate rapidly. The top second electric push rod 7 extends to lower the top friction plate 12 to generate friction with the leather, simulating the loss of the leather during long-term friction; during the folding friction loss, the driving motor 14 moves the leather to be detected to one end of the device to fix the leather in a curved surface. The third electric push rod 17 reciprocates telescopically to make the end friction plate 16 generate extrusion deformation with the leather to be detected, simulating the usage scenario of the leather during folding loss; during the scratching detection process, the fourth electric push rod 18 extends to raise the scratching detection frame 20, and the scratching probe 21 at the top gradually contacts the leather to be detected to generate a scratching friction effect, simulating the scratching process of the leather in the usage scenario; after the above three losses are completed, perform loss detection on the leather to be detected, and perform air permeability and water permeability detection. The first slider 26 and the second slider 29 in the air permeability detection mechanism move synchronously. The fifth electric push rod 27 and the sixth electric push rod 31 extend to make the exhaust box 28 close to the gas detection box 30 and clamp the detection position of the leather to form a seal. Inflate the exhaust box 28, and detect whether there is gas penetrating through the leather and discharging through the gas detection box 30 to detect whether the friction loss process affects the leather; when the water permeability detection mechanism is in use, the third slider 34 and the fourth slider 28 move synchronously. The seventh electric push rod 33 and the eighth electric push rod 37 extend to bring the liquid drainage box 35 close to the liquid detection box 36 to form a seal with the leather. Introduce liquid into the liquid drainage box 35, and detect whether there is liquid passing through the leather and permeating to the bottom liquid detection box 36 through the liquid detection box 36 to detect whether the friction loss process affects the leather.

[0039] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A leather quality inspection device for school bags, comprising a main case (1), characterized in that: A driving fixed box (2) is fixed at both sides of the top of the main case (1), a telescopic driving box (3) is slidably installed in the driving fixed boxes (2) at both sides, a driving mechanism is installed on the side wall of the telescopic driving box (3), a top friction mechanism is installed at the middle position of the top of the main case (1), an end friction mechanism is installed at one end of the main case (1), and a scratch detection mechanism is installed at the middle position of the bottom of the main case (1).

2. A leather quality inspection device for school bags according to claim 1, characterized in that: The driving mechanism comprises a driving sprocket (13) mounted at both ends of a telescopic driving box (3) through bearings, a belt fixing belt (5) is sleeved between the circumferential outer walls of the two driving sprockets (13), a horizontally arranged driving motor (14) is fixed inside the telescopic driving box (3), an output shaft of the driving motor (14) is fixed to a rotating shaft of the driving sprocket (13), and a leather fixing belt baffle (4) is fixed to the side wall of the driving sprocket (13) through bolts.

3. A leather quality inspection device for school bags according to claim 2, characterized in that: The interior of the driving fixed box (2) is provided with a telescopic inner groove (10), the telescopic driving box (3) is slidably sleeved inside the telescopic inner groove (10), a first electric push rod (9) arranged horizontally is fixed in the middle position of the driving fixed box (2), one end of the first electric push rod (9) is fixed to the middle position of the telescopic driving box (3), and an outer wall of the belt fixing belt (5) is fixed with leather fixing bolts (15) distributed in an array.

4. The leather quality inspection device for school bags according to claim 1, characterized in that: The top friction mechanism comprises a fixed top frame (6) fixed on the top of the main box (1), two second electric push rods (7) are fixed on the top of the fixed top frame (6), a horizontally arranged top friction frame (11) is fixed on the bottom of the two second electric push rods (7), and a top friction plate (12) is fixed on the bottom of the top friction frame (11) by bolts.

5. The leather quality inspection device for school bags according to claim 1, characterized in that: The end friction mechanism comprises a fixed end frame (8) fixed by bolts at one end of the main box (1), a third electric push rod (17) is fixed by bolts at the middle position of the fixed end frame (8), and an end friction plate (16) is fixed by bolts at one end of the third electric push rod (17).

6. The leather quality inspection device for school bags according to claim 1, characterized in that: The scratch detection mechanism comprises a scratch detection slot (19) provided at the bottom of a main chassis (1); a scratch detection frame (20) is hingedly mounted at the bottom of the scratch detection slot (19); a horizontally arranged scratch detection plate (22) is hingedly mounted at the top of the scratch detection frame (20); and scratch probes (21) distributed in an array are fixed to the top of the scratch detection plate (22).

7. The leather quality inspection device for school bags according to claim 6, characterized in that: The main box (1) is hingedly mounted with a fourth electric push rod (18) inside the scratch detection slot (19), a horizontal axis is mounted at the middle position of the scratch detection frame (20) via a bearing, and one end of the fourth electric push rod (18) is hingedly mounted with the middle position of the horizontal axis.

8. The leather quality inspection device for school bags according to claim 1, characterized in that: A side storage groove (23) is provided on an inner wall of one side of the main box (1), and a top swing frame (25) is hingedly installed inside the side storage groove (23), and a bottom swing frame (24) is hingedly installed at the bottom of the main box (1). A steering gear is installed on the inner wall of the side storage groove (23) and the inner wall of the bottom of the main box (1), and the output shaft of the steering gear is respectively fixed to the rotating shafts of the top swing frame (25) and the bottom swing frame (24).

9. The leather quality inspection device for school bags according to claim 8, characterized in that: Sliding slots (32) are provided on both sides of the bottom swing frame (24) and the top swing frame (25); a gas permeability detection mechanism is provided on one side of the bottom swing frame (24) and the top swing frame (25); a water permeability detection mechanism is provided on the other side of the bottom swing frame (24) and the top swing frame (25); the gas permeability detection mechanism comprises a first slider (26) slidably mounted on one side of the top swing frame (25); a fifth electric push rod (27) is fixed on the top of the first slider (26); an exhaust box (28) is fixed on the bottom of the fifth electric push rod (27); an air intake pipe is installed on the side wall of the exhaust box (28); a second slider (29) is slidably mounted on one side of the bottom swing frame (24); a sixth electric push rod (31) is fixed on the bottom of the second slider (29); a gas detection box (30) is fixed on the top of the sixth electric push rod (31); and an air intake pipe is installed on the side wall of the gas detection box (30).

10. The leather quality inspection device for school bags according to claim 9, characterized in that: The water penetration detection mechanism comprises a third slider (34) slidably mounted on the other side of the top swing frame (25), a seventh electric push rod (33) is fixed on the top of the third slider (34), a liquid drain box (35) is fixed on the bottom of the seventh electric push rod (33), a water inlet pipe is installed on the side wall of the liquid drain box (35), a fourth slider (38) is slidably mounted on the other side of the bottom swing frame (24), an eighth electric push rod (37) is installed on the bottom of the fourth slider (38), and a liquid pump is fixed on the top of the eighth electric push rod (37). A liquid detection box (36) is provided, a drain pipe is installed on the side wall of the liquid detection box (36), movable screws are installed through bearings in the sliding slots (32) on both sides of the bottom swing frame (24) and the top swing frame (25), and the four movable screws are respectively threadedly mounted on the first slider (26), the second slider (29), the third slider (34) and the fourth slider (38), and two screw motors are installed on the inner walls of one end of the bottom swing frame (24) and the top swing frame (25), and the output shafts of the four screw motors are respectively fixed to the four movable screws.

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