阅读说明：本技术 一种人造皮革生产质量检测方法 (Method for detecting production quality of artificial leather ) 是由 张�浩 刘敏 于 2020-07-21 设计创作，主要内容包括：本发明提供了一种人造皮革生产质量检测方法,该方法采用的人造皮革生产质量检测设备包括壳体、顶盖、驱动装置和固定装置,所述壳体的内腔设有驱动装置,所述顶盖位于所述壳体的顶部,所述顶盖的顶部表面设有固定装置；本发明的检测端能够对人造皮革的两端同时受力,且受力大小相等,使设备对人造皮革的检测效果更加准确；另外本发明在工作过程中通过滑动块和固定机构的结合使用让其能够将人造皮革的两端稳定固定住,解决了由于设备两端对人造皮革样品夹持不牢固,导致人造皮革样品的两端从皮革破裂测试仪内脱出,影响了皮革破裂测试仪的检测效率的问题。(The invention provides a method for detecting the production quality of artificial leather, and the equipment for detecting the production quality of the artificial leather adopted by the method comprises a shell, a top cover, a driving device and a fixing device, wherein the driving device is arranged in the inner cavity of the shell, the top cover is positioned at the top of the shell, and the fixing device is arranged on the surface of the top cover; the detection end of the invention can simultaneously bear the force on the two ends of the artificial leather, and the stress is equal, so that the detection effect of the device on the artificial leather is more accurate; in addition, the sliding block and the fixing mechanism are combined to be used in the working process, so that the two ends of the artificial leather can be stably fixed, and the problem that the two ends of the artificial leather sample are separated from the leather breakage tester and the detection efficiency of the leather breakage tester is influenced due to the fact that the two ends of the device are not firmly clamped on the artificial leather sample is solved.)

1. The method for detecting the production quality of the artificial leather is characterized by comprising the following steps:

s1: placing two ends of the artificial leather sample in the two groups of clamping grooves (414), and fixing the artificial leather sample in the two groups of sliding blocks (41) through a fixing mechanism (42);

s2: starting a motor (31), enabling the two groups of screw rods (34) to rotate in opposite directions under the action of a gear set (32), enabling the two groups of screw rods (34) to drive the two groups of ball nuts (33) to be away from each other synchronously, and enabling the two groups of sliding blocks (41) to drive the artificial leather sample to stretch until the artificial leather sample is broken;

s3: and detecting the time length required by the artificial leather breakage, and calculating the maximum force of the pressure applied to the two ends of the artificial leather sample by the motor according to the required time length and the rated power of the motor (31), wherein the maximum value of the applied pressure is the breaking strength value of the artificial leather sample.

The artificial leather production quality detection equipment adopted by the method comprises a shell (1), a top cover (2), a driving device (3) and a fixing device (4), wherein the driving device (3) is arranged in an inner cavity of the shell (1), the top cover (2) is positioned at the top of the shell (1), and the fixing device (4) is arranged on the surface of the top cover (2);

the driving device (3) comprises a motor (31), a gear set (32), a ball nut (33) and a screw rod (34), two groups of screw rods (34) are horizontally arranged in parallel in an inner cavity of the shell (1), the tail ends of the left side and the right side of the two groups of screw rods (34) are respectively in rotating connection with the inner walls of the left side and the right side of the inner cavity of the shell (1), the ball nut (33) is arranged on the left side surface of the screw rod (34) positioned on the rear side and the right side surface of the screw rod (34) positioned on the front side, the motor (31) is arranged on the outer wall of the left side of the shell (1), and the gear set (32) is positioned between the motor (31) and the;

fixing device (4) include sliding block (41), fixed establishment (42), guide rail (43), lug (44) and spout (45), the top surface level of top cap (2) is equipped with two sets of spout (45), two sets of guide rail (43) are installed to the bilateral symmetry around the top surface center of top cap (2), the fixed lug (44) of inlaying in top surface center of top cap (2), the top surface left and right sides symmetry of top cap (2) is equipped with two sets of sliding block (41), every group fixed establishment (42), two sets of are all installed to the inboard of sliding block (41) the bottom of sliding block (41) pass respectively behind two sets of spout (45) with two sets of ball nut (33) fixed connection.

2. The artificial leather production quality detecting method according to claim 1, characterized in that: the sliding block (41) comprises a sliding block body (411), circular mounting holes (412), strip-shaped mounting holes (413), clamping grooves (414), mounting blocks (415) and connecting holes (416), wherein two groups of circular mounting holes (412) and two groups of strip-shaped mounting holes (413) penetrate through the inner side of the top of the sliding block body (411) at equal intervals, the left side of each strip-shaped mounting hole (413) is connected with the right side of each circular mounting hole (412), the clamping grooves (414) are formed in the center of the side wall of the inner side of the sliding block body (411), the mounting blocks (415) are fixedly mounted at the bottom of the inner side of the sliding block body (411), and two groups of connecting holes (416) are uniformly formed in the top surface of each mounting block (415) at equal;

fixed establishment (42) are including staple (421), fixed block (422), bar installation piece (423), cylinder installation piece (424) and connecting block (425), and are two sets of equal fixedly connected with fixed block (422) in top of staple (421), it is two sets of through connecting block (425) fixed connection between fixed block (422), it is two sets of equal fixedly connected with bar installation piece (423) in inboard of fixed block (422), the inboard end of bar installation piece (423) is equipped with cylinder installation piece (424), and is two sets of cylinder installation piece (424) block respectively is two sets of circular mounting hole (412) inner chamber, two sets of bar installation piece (423) block respectively is two sets of circular mounting hole (412) inner chamber, two sets of the bottom of staple (421) is installed respectively in two sets of connecting hole (416).

3. The artificial leather production quality detecting method according to claim 1, characterized in that: gear train (32) are including driving gear (321) and driven gear (322), the inboard center of driving gear (321) with the inboard center of driven gear (322) runs through behind the left side outer wall of casing (1) respectively with two sets of the terminal center in left side of lead screw (34) rotates and is connected, the outside center of driving gear (321) through the pivot with the rotor of motor (31) rotates and is connected, driving gear (321) with the teeth of a cogwheel intermeshing of driven gear (322).

4. The artificial leather production quality detecting method according to claim 1, characterized in that: the inner wall of the guide rail (43) is a smooth surface.

5. The artificial leather production quality detecting method according to claim 2, characterized in that: the outer diameter of the cylindrical mounting block (424) is equal to the inner diameter of the circular mounting hole (412), and the width of the strip-shaped mounting block (423) is equal to the width of the strip-shaped mounting hole (413).

6. The artificial leather production quality detecting method according to claim 2, characterized in that: the distance between the two groups of connecting holes (416) is equal to the distance between the two groups of circular mounting holes (412).

Technical Field

The invention relates to the technical field of artificial leather detection, in particular to a method for detecting the production quality of artificial leather.

Background

Artificial leather is said to be relative to "leather" (i.e., dermis). The artificial leather is also called as artificial leather and synthetic leather, and is generally classified into PVC artificial leather and PU synthetic leather according to the types of resin on the surface of the artificial leather, and the detection items of the artificial leather mainly comprise PVC/PU detection, physical property test, chemical property test, color fastness, content determination, material identification, component analysis, toxic and harmful substance detection, environmental protection detection, azo test and the like.

In daily life, leather is easy to deform in the wearing process, particularly in the wearing process of shoes and the using process of leather bags, so that the rupture strength detection of the artificial leather is one of standards for judging the quality of the leather, and therefore, the rupture strength detection of qualified leather products needs to be carried out when the artificial leather leaves a factory, in the prior art, the detection is mainly carried out by using a special leather wear-resistant tester, however, the existing leather rupture tester is troublesome to use, and the two ends of an artificial leather sample are stressed unevenly in the detection process, so that the test result is inaccurate; in addition, when the existing leather breakage tester is used for detecting, the two ends of the artificial leather sample are separated from the leather breakage tester due to the fact that the two ends of the artificial leather sample are not firmly clamped, and the detection efficiency of the leather breakage tester is influenced.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme that the method for detecting the production quality of the artificial leather comprises the following steps:

s1: placing two ends of the artificial leather sample in the two groups of clamping grooves, and fixing the artificial leather sample in the two groups of sliding blocks through a fixing mechanism;

s2: starting a motor, enabling the two groups of screw rods to rotate in opposite directions under the action of the gear set, enabling the two groups of screw rods to drive the two groups of ball nuts to be away from each other synchronously, and enabling the two groups of sliding blocks to drive the artificial leather sample to stretch until the artificial leather sample is broken;

s3: and detecting the time length required by the artificial leather to break, and calculating the maximum force of the pressure applied to the two ends of the artificial leather sample by the motor according to the required time length and the rated power of the motor, wherein the maximum force of the applied pressure is the breaking strength value of the artificial leather sample.

The artificial leather production quality detection equipment adopted by the method comprises a shell, a top cover, a driving device and a fixing device, wherein the driving device is arranged in an inner cavity of the shell, the top cover is positioned at the top of the shell, and the fixing device is arranged on the surface of the top cover;

the driving device comprises a motor, a gear set, ball nuts and screw rods, two groups of screw rods are horizontally arranged in parallel in an inner cavity of the shell, the tail ends of the left side and the right side of the two groups of screw rods are respectively and rotatably connected with the inner walls of the left side and the right side of the inner cavity of the shell, the ball nuts are arranged on the left side surface of the screw rod positioned on the rear side and the right side surface of the screw rod positioned on the front side, the motor is arranged on the outer wall of the left side of the shell, and the gear set is positioned between the motor and;

fixing device includes sliding block, fixed establishment, guide rail, lug and spout, the top surface level of top cap is equipped with two sets of spouts, two sets of guide rails are installed to bilateral symmetry around the top surface center of top cap, the fixed lug of inlaying in top surface center of top cap, the top surface left and right sides symmetry of top cap is equipped with two sets of sliding blocks, every group fixed establishment, two sets of are all installed to the inboard of sliding block the bottom of sliding block pass behind two sets of spouts respectively with two sets of ball nut fixed connection.

Preferably; the sliding block comprises a sliding block body, circular mounting holes, strip-shaped mounting holes, clamping grooves, mounting blocks and connecting holes, wherein two groups of circular mounting holes and two groups of strip-shaped mounting holes are arranged on the inner side of the top of the sliding block body in a penetrating mode at equal intervals;

the fixing mechanism comprises a fixing nail, a fixing block, a strip-shaped mounting block, a cylinder mounting block and a connecting block, and is two sets of the fixing nail and the top fixing block which is fixedly connected with the fixing block and is two sets of the fixing block is fixedly connected with the fixing block and the inner side fixing block which is fixedly connected with the fixing block, the inner side end of the strip-shaped mounting block is provided with the cylinder mounting block, the cylinder mounting block is clamped in the circular mounting hole inner cavity and is two sets of the strip-shaped mounting block is clamped in the circular mounting hole inner cavity and is two sets of the bottom of the fixing nail is respectively installed in the connecting hole.

Preferably; the gear train includes driving gear and driven gear, the inboard center of driving gear with driven gear's inboard center runs through behind the left side outer wall of casing respectively with two sets of the terminal center in left side of lead screw rotates and is connected, the outside center of driving gear through the pivot with the rotor of motor rotates and is connected, the driving gear with driven gear's teeth of a cogwheel intermeshing.

Preferably; the inner wall of the guide rail is a smooth surface.

Preferably; the outer diameter of the cylindrical mounting block is equal to the inner diameter of the circular mounting hole, and the width of the strip-shaped mounting block is equal to that of the strip-shaped mounting hole.

Preferably; the distance between the two groups of connecting holes is equal to the distance between the two groups of round mounting holes.

Has the advantages that:

the detection end of the invention can simultaneously bear the force on the two ends of the artificial leather, and the stress is equal, so that the detection effect of the device on the artificial leather is more accurate; in addition, the sliding block and the fixing mechanism are combined to be used in the working process, so that the two ends of the artificial leather can be stably fixed, and the problem that the two ends of the artificial leather sample are separated from the leather breakage tester and the detection efficiency of the leather breakage tester is influenced due to the fact that the two ends of the device are not firmly clamped on the artificial leather sample is solved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of FIG. 1;

FIG. 3 is a top view of the present invention;

FIG. 4 is a top view of the slider of the present invention;

FIG. 5 is a cross-sectional view of the slider of the present invention;

FIG. 6 is a schematic view of the connection structure of the sliding block and the fixing mechanism in the present invention;

FIG. 7 is a schematic view of a fixing structure according to the present invention;

fig. 8 is a schematic view of the gear set configuration of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 8, a method for inspecting the production quality of artificial leather includes the steps of:

s1: placing the two ends of the artificial leather sample in the two groups of clamping grooves 414, and fixing the artificial leather sample in the two groups of sliding blocks 41 through the fixing mechanism 42;

s2: starting the motor 31, wherein the two groups of screw rods 34 are reversely rotated under the action of the gear set 32, the two groups of screw rods 34 drive the two groups of ball nuts 33 to be synchronously away from each other, and simultaneously the two groups of sliding blocks 41 drive the artificial leather sample to be stretched until the artificial leather sample is cracked;

s3: and detecting the time length required by the artificial leather breakage, and calculating the maximum force of the pressure applied to the two ends of the artificial leather sample by the motor according to the required time length and the rated power of the motor 31, wherein the maximum value of the applied pressure is the breaking strength value of the artificial leather sample.

The artificial leather production quality detection equipment adopted by the method comprises a shell 1, a top cover 2, a driving device 3 and a fixing device 4, wherein the driving device 3 is arranged in an inner cavity of the shell 1, the top cover 2 is positioned at the top of the shell 1, and the fixing device 4 is arranged on the surface of the top cover 2;

the driving device 3 comprises a motor 31, a gear set 32, a ball nut 33 and a screw rod 34, two sets of screw rods 34 are horizontally and parallelly arranged in an inner cavity of the shell 1, the tail ends of the left and right sides of the two sets of screw rods 34 are respectively rotatably connected with the inner walls of the left and right sides of the inner cavity of the shell 1, the left surface of the screw rod 34 positioned at the rear side and the right surface of the screw rod 34 positioned at the front side are respectively provided with the ball nut 33, the outer wall of the left side of the shell 1 is provided with the motor 31, the gear set 32 is positioned between the motor 31 and the outer wall of the left side of the shell 1, the gear set 32 comprises a driving gear 321 and a driven gear 322, the inner center of the driving gear 321 and the inner center of the driven gear 322 penetrate through the outer wall of the left side of the shell 1 and are respectively rotatably connected with the tail ends of the left, the gear teeth of the driving gear 321 and the driven gear 322 are engaged with each other;

fixing device 4 includes sliding block 41, fixed establishment 42, guide rail 43, lug 44 and spout 45, the top surface level of top cap 2 is equipped with two sets of spouts 45, two sets of guide rails 43 are installed to top surface center front and back bilateral symmetry of top cap 2, top surface center fixed mosaic of top cap 2 has lug 44, top surface left and right sides symmetry of top cap 2 is equipped with two sets of sliding blocks 41, every group fixed establishment 42, two sets of are all installed to sliding block 41's inboard the bottom of sliding blocks 41 pass behind two sets of spouts 45 respectively with two sets of ball nut 33 fixed connection, the inner wall of guide rail 43 is the smooth surface.

The sliding block 41 comprises a sliding block body 411, circular mounting holes 412, strip-shaped mounting holes 413, clamping grooves 414, mounting blocks 415 and connecting holes 416, wherein two groups of circular mounting holes 412 and two groups of strip-shaped mounting holes 413 penetrate through the inner side of the top of the sliding block body 411 at equal intervals, the left side of each strip-shaped mounting hole 413 is connected with the right side of each circular mounting hole 412, each clamping groove 414 is formed in the center of the inner side wall of the sliding block body 411, the mounting blocks 415 are fixedly mounted at the bottom of the inner side of the sliding block body 411, two groups of connecting holes 416 are uniformly formed in the top surface of each mounting block 415 at equal intervals, and the distance between the two groups of connecting holes 416 is equal to the distance between the two groups of circular;

the fixing mechanism 42 comprises fixing nails 421, fixing blocks 422, strip-shaped mounting blocks 423, cylindrical mounting blocks 424 and connecting blocks 425, the fixing blocks 422 are fixedly connected to the tops of the two groups of fixing nails 421, the two groups of fixing blocks 422 are fixedly connected with each other through the connecting blocks 425, the strip-shaped mounting blocks 423 are fixedly connected to the inner sides of the two groups of fixing blocks 422, the inner ends of the strip-shaped mounting blocks 423 are provided with cylindrical mounting blocks 424, two groups of the cylindrical mounting blocks 424 are respectively clamped in the inner cavities of the two groups of the circular mounting holes 412, two groups of the strip-shaped mounting blocks 423 are respectively clamped in the inner cavities of the two groups of the circular mounting holes 412, the bottoms of the two groups of the fixing nails 421 are respectively arranged in the two groups of the connecting holes 416, the outer diameter of the cylindrical mounting block 424 is equal to the inner diameter of the circular mounting hole 412, and the width of the bar-shaped mounting block 423 is equal to the width of the bar-shaped mounting hole 413.

In the use process of the invention, the fixing mechanism 42 is taken out from the sliding block 41, then the two ends of the artificial leather sample are respectively placed in the two groups of clamping grooves 414, the middle part of the artificial leather sample is clamped in the guide rail 43, and the lug 44 is propped against the center of the bottom of the artificial leather sample, so that the problem that the artificial leather sample deviates from the original direction in the stretching process can be prevented; the bottom end of the fixing nail 421 penetrates through the surface of the artificial leather sample and then is fixed in the connecting hole 416, meanwhile, the cylindrical mounting block 424 and the strip-shaped mounting block 423 are clamped in the circular mounting hole 412 and the strip-shaped mounting hole 413 respectively, the motor 31 is started, the motor 31 drives the driving gear 321 to rotate, the driving gear 321 drives the driven gear 322 to rotate, the rotating directions of the two groups of screw rods 34 are opposite, the two groups of ball nuts 33 move outwards respectively, and the two ends of the artificial leather sample are stretched outwards by the two groups of sliding blocks 41.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.